/* roulang page: index */
:root {
  --primary-900: #0A3638;
  --primary-800: #0E4749;
  --primary-600: #1D6A6D;
  --primary-100: #DCE9E7;
  --primary-50: #EDF3F2;
  --accent-500: #FF7A5C;
  --accent-600: #E86244;
  --accent-100: #FFE3DB;
  --gold-500: #D4A643;
  --gold-100: #F3E8C9;
  --bg-warm: #F7F4EF;
  --text-primary: #223036;
  --text-secondary: #6E7C7B;
  --border-subtle: #E3DED4;
  --white: #FFFFFF;
  --success: #3E8E5A;
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-rest: 0 2px 8px rgba(14,71,73,0.06);
  --shadow-hover: 0 12px 24px rgba(14,71,73,0.12);
  --shadow-cta: 0 8px 20px rgba(255,122,92,0.35);
  --transition: cubic-bezier(0.4, 0, 0.2, 1);
  --font-display: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-primary);
  background: var(--bg-warm);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .25s var(--transition); }
button { font-family: var(--font-body); border: none; cursor: pointer; }
input, textarea { font-family: var(--font-body); }
.container { max-width: 1280px; margin: 0 auto; padding-left: clamp(16px, 4vw, 48px); padding-right: clamp(16px, 4vw, 48px); }

/* ===== Header / Nav ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: 76px; display: flex; align-items: center;
  transition: background .3s var(--transition), box-shadow .3s var(--transition), height .3s var(--transition);
  background: transparent;
}
.site-header.scrolled {
  height: 60px;
  background: rgba(247,244,239,0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 12px rgba(14,71,73,0.08);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-size: 22px; font-weight: 900; color: #fff;
  transition: color .3s var(--transition);
}
.site-header.scrolled .logo { color: var(--primary-800); }
.logo-icon {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-500) 0%, var(--accent-600) 100%);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(255,122,92,0.3);
}
.logo-icon svg { width: 22px; height: 22px; fill: #fff; }
.main-nav {
  display: flex; align-items: center; gap: 32px;
}
.nav-link {
  font-size: 15px; font-weight: 500; color: rgba(255,255,255,0.92);
  position: relative; padding-bottom: 4px;
  transition: color .25s var(--transition);
}
.site-header.scrolled .nav-link { color: var(--text-primary); }
.nav-link::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px; border-radius: 2px;
  background: var(--gold-500);
  transition: width .3s var(--transition);
}
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: var(--white); }
.site-header.scrolled .nav-link.active { color: var(--primary-800); }
.nav-link.active::after { width: 100%; background: var(--gold-500); }
.nav-cta {
  display: inline-flex; align-items: center; justify-content: center;
  height: 40px; padding: 0 20px;
  background: var(--accent-500); color: #fff;
  border-radius: 6px; font-size: 15px; font-weight: 700;
  box-shadow: 0 4px 12px rgba(255,122,92,0.3);
  transition: background .25s var(--transition), transform .25s var(--transition), box-shadow .25s var(--transition);
}
.nav-cta:hover {
  background: var(--accent-600);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255,122,92,0.4);
}
.nav-toggle {
  display: none; width: 40px; height: 40px;
  background: transparent; border: none; position: relative;
  z-index: 1101;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: #fff; border-radius: 2px;
  position: absolute; left: 9px;
  transition: transform .3s var(--transition), opacity .3s var(--transition), background .3s var(--transition);
}
.site-header.scrolled .nav-toggle span { background: var(--primary-800); }
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 24px; }
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg); top: 19px; }
.nav-toggle.open span:nth-child(2) { transform: rotate(-45deg); top: 19px; }
.mobile-menu {
  display: none; position: fixed; top: 0; left: 0; right: 0;
  background: var(--bg-warm); padding: 90px 24px 24px;
  box-shadow: 0 4px 20px rgba(14,71,73,0.1);
  z-index: 1099;
}
.mobile-menu.open { display: block; }
.mobile-menu .mobile-nav-list { list-style: none; }
.mobile-menu .mobile-nav-list li { border-bottom: 1px solid var(--border-subtle); }
.mobile-menu .mobile-nav-list a {
  display: block; padding: 16px 0;
  font-size: 16px; font-weight: 500; color: var(--text-primary);
}
.mobile-menu .mobile-nav-list a.active { color: var(--primary-600); }
.mobile-menu .mobile-cta {
  display: block; width: 100%; height: 48px;
  background: var(--accent-500); color: #fff;
  border-radius: 6px; font-size: 16px; font-weight: 700;
  margin-top: 16px; transition: background .25s var(--transition);
}
.mobile-menu .mobile-cta:hover { background: var(--accent-600); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 90vh;
  background: linear-gradient(135deg, rgba(10,54,56,0.94), rgba(14,71,73,0.88)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  display: flex; align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 42px 42px;
  pointer-events: none;
}
.hero-grid {
  display: grid; grid-template-columns: 7fr 5fr; gap: 48px;
  align-items: center; position: relative; z-index: 2;
  width: 100%;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,122,92,0.15);
  border: 1px solid rgba(255,122,92,0.4);
  color: var(--accent-500);
  font-size: 13px; font-weight: 500; letter-spacing: 0.04em;
  padding: 6px 14px; border-radius: 999px;
  margin-bottom: 24px;
}
.hero-tag::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-500); animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .6; transform: scale(0.8); }
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.25;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}
.hero h1 .accent-color {
  color: var(--accent-500);
  position: relative;
}
.hero-sub {
  font-size: 17px; line-height: 1.8;
  color: rgba(255,255,255,0.85);
  max-width: 520px; margin-bottom: 32px;
}
.hero-ctas {
  display: flex; gap: 16px; flex-wrap: wrap;
  margin-bottom: 36px;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 15px 32px;
  background: var(--accent-500); color: #fff;
  border-radius: 6px; font-size: 16px; font-weight: 700;
  box-shadow: 0 8px 20px rgba(255,122,92,0.3);
  transition: background .25s var(--transition), transform .25s var(--transition), box-shadow .25s var(--transition);
}
.btn-primary:hover {
  background: var(--accent-600);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255,122,92,0.4);
}
.btn-primary .arrow-icon { transition: transform .3s var(--transition); }
.btn-primary:hover .arrow-icon { transform: translateX(4px); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 15px 32px;
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.7);
  color: #fff; border-radius: 6px;
  font-size: 16px; font-weight: 600;
  transition: background .25s var(--transition), color .25s var(--transition), border-color .25s var(--transition);
}
.btn-secondary:hover {
  background: #fff; color: var(--primary-800);
  border-color: #fff;
}
.hero-meta {
  display: flex; gap: 20px; font-size: 12px;
  color: rgba(255,255,255,0.7);
}
.hero-meta .meta-item {
  display: flex; align-items: center; gap: 6px;
}
.hero-visual {
  position: relative;
}
.hero-visual .hero-img-wrap {
  border-radius: 16px; overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  position: relative;
}
.hero-visual .hero-img-wrap img {
  width: 100%; height: 400px; object-fit: cover;
  display: block;
}
.hero-visual .hero-img-wrap::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,54,56,0.2), transparent 60%);
}
.hero-float-tag {
  position: absolute; background: #fff; border-radius: 12px;
  padding: 14px 18px; box-shadow: var(--shadow-hover);
  font-size: 13px; color: var(--text-primary);
  display: flex; align-items: center; gap: 10px;
  z-index: 3;
  animation: float 3s ease-in-out infinite;
}
.hero-float-tag.tag-1 { top: 24px; right: -12px; }
.hero-float-tag.tag-2 { bottom: 40px; left: -16px; animation-delay: 1.5s; }
.hero-float-tag .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent-500);
  box-shadow: 0 0 0 4px rgba(255,122,92,0.2);
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.scroll-indicator {
  position: absolute; bottom: 30px; left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex; flex-direction: column; align-items: center;
  gap: 6px;
}
.scroll-indicator .line {
  width: 1px; height: 40px;
  background: rgba(255,255,255,0.3);
  position: relative;
  overflow: hidden;
}
.scroll-indicator .line::after {
  content: '';
  position: absolute; top: -20px; left: 0;
  width: 100%; height: 20px;
  background: var(--accent-500);
  animation: scroll-drop 1.8s infinite;
}
@keyframes scroll-drop {
  0% { top: -20px; }
  60% { top: 40px; }
  100% { top: 40px; }
}
.scroll-indicator .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-500);
}

/* ===== Section General ===== */
.section-bg { background: var(--bg-warm); }
.section-pad { padding: clamp(64px, 8vw, 112px) 0; }
.section-head {
  margin-bottom: 48px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 20px;
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
}
.section-head .section-label {
  font-size: 14px; font-weight: 500; letter-spacing: 0.12em;
  color: var(--gold-500);
  text-transform: uppercase;
  font-family: var(--font-body);
  margin-bottom: 6px;
}
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1.3;
}
.section-head .section-desc {
  color: var(--text-secondary);
  font-size: 15px; max-width: 560px; line-height: 1.8;
}
.view-all {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 15px; font-weight: 500; color: var(--primary-600);
  white-space: nowrap;
}
.view-all:hover { color: var(--accent-500); }
.view-all .arrow-icon { transition: transform .3s var(--transition); }
.view-all:hover .arrow-icon { transform: translateX(4px); }

/* ===== Features ===== */
.features-section { background: var(--bg-warm); }
.features-list {
  display: flex; flex-direction: column;
}
.feature-item {
  display: grid; grid-template-columns: 120px 1fr;
  gap: 24px; padding: 40px 0;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}
.feature-item:last-child { border-bottom: none; }
.feature-num {
  font-family: var(--font-display);
  font-size: clamp(48px, 5vw, 64px);
  font-weight: 900;
  color: var(--gold-500);
  line-height: 1;
  opacity: 0.25;
  transition: opacity .3s var(--transition);
}
.feature-item:hover .feature-num { opacity: 1; }
.feature-content { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.feature-text .feature-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--primary-100);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.feature-text h3 {
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.feature-text p {
  font-size: 15px; line-height: 1.8; color: var(--text-secondary);
}
.feature-media {
  border-radius: 12px; overflow: hidden;
  box-shadow: var(--shadow-rest);
  transition: transform .3s var(--transition), box-shadow .3s var(--transition);
}
.feature-media:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.feature-media img {
  width: 100%; height: 220px; object-fit: cover;
  transition: transform .5s var(--transition);
}
.feature-media:hover img { transform: scale(1.03); }

/* ===== Stats ===== */
.stats-section {
  background: var(--primary-900);
  padding: clamp(64px, 8vw, 96px) 0;
  border-top: 32px solid var(--gold-500);
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 32px; margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.stat-item { text-align: center; position: relative; }
.stat-item + .stat-item::before {
  content: ''; position: absolute; left: -16px; top: 50%;
  transform: translateY(-50%);
  width: 1px; height: 48px;
  background: rgba(255,255,255,0.15);
}
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 900;
  color: #fff;
  line-height: 1;
  margin-bottom: 8px;
  font-feature-settings: "tnum";
}
.stat-num .stat-suffix {
  font-size: 0.5em; color: var(--accent-500);
}
.stat-label {
  font-size: 14px; color: rgba(255,255,255,0.65);
}
.testimonial-grid {
  display: grid; grid-template-columns: 5fr 7fr;
  gap: 32px;
}
.testimonial-main {
  background: var(--primary-800);
  border-left: 4px solid var(--gold-500);
  border-radius: 0 12px 12px 0;
  padding: 32px;
  position: relative;
}
.testimonial-main .quote-mark {
  font-family: var(--font-display);
  font-size: 64px; color: var(--gold-500);
  opacity: 0.4; position: absolute; top: 8px; right: 20px;
  line-height: 1;
}
.testimonial-main p {
  color: rgba(255,255,255,0.9);
  font-size: 16px; line-height: 1.9;
  margin-bottom: 16px;
}
.testimonial-main .author {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
}
.testimonial-side {
  display: flex; flex-direction: column; gap: 16px;
}
.testimonial-side .t-card {
  background: var(--primary-800);
  border-left: 4px solid var(--gold-500);
  border-radius: 0 10px 10px 0;
  padding: 24px;
  flex: 1;
}
.testimonial-side .t-card p {
  color: rgba(255,255,255,0.85);
  font-size: 15px; line-height: 1.7;
  margin-bottom: 10px;
}
.testimonial-side .t-card .author {
  color: rgba(255,255,255,0.5);
  font-size: 13px;
}

/* ===== News ===== */
.news-section { background: var(--bg-warm); }
.news-list {
  display: flex; flex-direction: column; gap: 16px;
}
.news-card {
  display: flex; gap: 20px;
  background: var(--white);
  border-radius: 12px;
  padding: 16px;
  border: 1px solid var(--border-subtle);
  transition: box-shadow .3s var(--transition), transform .3s var(--transition);
}
.news-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.news-thumb {
  width: 160px; height: 100px;
  border-radius: 10px; overflow: hidden;
  flex-shrink: 0;
}
.news-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s var(--transition);
}
.news-card:hover .news-thumb img { transform: scale(1.05); }
.news-info {
  flex: 1; display: flex; flex-direction: column;
  justify-content: center; gap: 6px;
  min-width: 0;
}
.news-badge {
  display: inline-flex; align-items: center;
  padding: 3px 12px;
  background: var(--primary-100);
  color: var(--primary-800);
  font-size: 12px; font-weight: 500;
  border-radius: 999px;
  width: fit-content;
  letter-spacing: 0.02em;
}
.news-badge.highlight {
  background: var(--gold-100);
  color: var(--gold-500);
}
.news-info h3 {
  font-size: 17px; font-weight: 700;
  color: var(--text-primary);
  line-height: 1.5;
  transition: color .25s var(--transition);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.news-card:hover .news-info h3 { color: var(--primary-600); }
.news-info p {
  font-size: 14px; color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-time {
  font-size: 12px; color: var(--text-secondary);
  display: flex; align-items: center; gap: 4px;
}
.news-time svg {
  width: 14px; height: 14px;
  fill: var(--text-secondary);
}
.news-empty {
  display: flex; align-items: center; justify-content: center;
  gap: 16px;
  padding: 60px 20px;
  border: 1px dashed var(--border-subtle);
  border-radius: 12px;
  background: var(--white);
  color: var(--text-secondary);
  font-size: 15px;
}
.news-empty .empty-icon {
  width: 56px; height: 56px;
  background: var(--primary-100);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}

/* ===== Flow ===== */
.flow-section { background: #fff; }
.flow-steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.flow-step {
  text-align: center; position: relative;
  padding: 32px 16px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  transition: box-shadow .3s var(--transition), transform .3s var(--transition);
  background: var(--white);
}
.flow-step:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.flow-step .step-num {
  width: 44px; height: 44px;
  background: var(--primary-800);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 16px; font-weight: 700;
  margin: 0 auto 16px;
  position: relative;
  z-index: 2;
}
.flow-step .step-num::after {
  content: '';
  position: absolute; inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--primary-100);
  z-index: -1;
}
.flow-step h3 {
  font-size: 17px; font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.flow-step p {
  font-size: 14px; color: var(--text-secondary);
  line-height: 1.7;
}
.flow-step .step-icon {
  margin-bottom: 12px;
}
.flow-step .step-icon svg {
  width: 32px; height: 32px;
  fill: var(--primary-600);
}

/* ===== FAQ ===== */
.faq-section { background: var(--bg-warm); }
.faq-list {
  max-width: 840px; margin: 0 auto;
  border-top: 1px solid var(--border-subtle);
}
.faq-item {
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  cursor: pointer;
  font-size: 17px; font-weight: 700;
  color: var(--text-primary);
  transition: color .25s var(--transition);
}
.faq-question:hover { color: var(--primary-600); }
.faq-item.open .faq-question { color: var(--accent-500); }
.faq-icon {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--primary-100);
  color: var(--primary-800);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: background .3s var(--transition), transform .3s var(--transition), color .3s var(--transition);
  font-size: 16px;
}
.faq-item.open .faq-icon {
  background: var(--accent-500);
  color: #fff;
  transform: rotate(135deg);
}
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height .4s var(--transition), padding .3s var(--transition);
  color: var(--text-secondary);
  font-size: 15px; line-height: 1.8;
  padding: 0;
}
.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 48px 20px 0;
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary-800), var(--primary-900));
  position: relative; overflow: hidden;
  padding: clamp(64px, 8vw, 96px) 0;
  text-align: center;
}
.cta-section::before,
.cta-section::after {
  content: '';
  position: absolute; width: 200px; height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,0.03);
  pointer-events: none;
}
.cta-section::before { top: -60px; left: -60px; }
.cta-section::after { bottom: -80px; right: -40px; }
.cta-section h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 900;
  color: #fff;
  margin-bottom: 14px;
  line-height: 1.3;
}
.cta-section p {
  color: rgba(255,255,255,0.75);
  font-size: 16px; margin-bottom: 32px;
  max-width: 520px; margin-left: auto; margin-right: auto;
}
.cta-section .btn-primary {
  font-size: 17px; padding: 16px 40px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-900);
  color: rgba(255,255,255,0.9);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 4fr 2fr 2fr 3fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .footer-logo {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 900;
  color: #fff; margin-bottom: 14px;
  display: flex; align-items: center; gap: 10px;
}
.footer-brand p {
  font-size: 13px; color: rgba(255,255,255,0.55);
  line-height: 1.8; max-width: 260px;
}
.footer-col h4 {
  font-size: 15px; font-weight: 700;
  color: #fff; margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
  font-size: 14px; color: rgba(255,255,255,0.7);
  transition: color .25s var(--transition);
}
.footer-col ul a:hover { color: var(--accent-500); }
.footer-contact { list-style: none; }
.footer-contact li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14px; color: rgba(255,255,255,0.7);
  margin-bottom: 12px;
}
.footer-contact svg {
  width: 16px; height: 16px;
  fill: var(--accent-500); flex-shrink: 0;
  margin-top: 4px;
}
.footer-bottom {
  padding: 24px 0;
  font-size: 13px; color: rgba(255,255,255,0.5);
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
}

/* ===== Float CTA ===== */
.float-cta {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 999;
  opacity: 0; transform: translateY(40px);
  visibility: hidden;
  transition: opacity .3s var(--transition), transform .3s var(--transition), visibility .3s;
}
.float-cta.visible {
  opacity: 1; transform: translateY(0);
  visibility: visible;
}
.float-btn {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--accent-500);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 20px rgba(255,122,92,0.35);
  position: relative;
  transition: background .25s var(--transition), transform .25s var(--transition);
}
.float-btn:hover { background: var(--accent-600); transform: scale(1.05); }
.float-btn::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(255,122,92,0.4);
  animation: pulse-ring 2s infinite;
}
@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(255,122,92,0.4); }
  50% { box-shadow: 0 0 0 14px rgba(255,122,92,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,122,92,0); }
}
.float-btn svg {
  width: 24px; height: 24px; fill: #fff;
}
.float-panel {
  position: absolute; bottom: 72px; right: 0;
  width: 300px; background: #fff;
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(14,71,73,0.2);
  padding: 24px;
  opacity: 0; transform: translateY(12px) scale(0.96);
  visibility: hidden;
  transform-origin: bottom right;
  transition: all .35s var(--transition);
}
.float-panel.open {
  opacity: 1; transform: translateY(0) scale(1);
  visibility: visible;
}
.float-panel h4 {
  font-size: 16px; font-weight: 700;
  color: var(--text-primary); margin-bottom: 8px;
}
.float-panel p {
  font-size: 14px; color: var(--text-secondary);
  line-height: 1.7; margin-bottom: 16px;
}
.float-panel .contact-phone {
  display: block; text-align: center;
  padding: 12px;
  background: var(--primary-800);
  color: #fff; border-radius: 8px;
  font-size: 15px; font-weight: 700;
  transition: background .25s var(--transition);
  margin-bottom: 10px;
}
.float-panel .contact-phone:hover { background: var(--primary-600); }
.float-panel .qr-placeholder {
  width: 120px; height: 120px;
  margin: 0 auto;
  background: var(--primary-50);
  border: 1px dashed var(--border-subtle);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; color: var(--text-secondary);
}

/* ===== Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s var(--transition), transform .6s var(--transition);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero-float-tag { animation: none; }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .main-nav { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-visual { display: none; }
  .hero { min-height: 80vh; }
  .feature-content { grid-template-columns: 1fr; }
  .feature-item { grid-template-columns: 80px 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item + .stat-item::before { display: none; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .flow-steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}
@media (max-width: 768px) {
  .news-card { flex-direction: column; }
  .news-thumb { width: 100%; height: 180px; }
  .flow-steps { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 640px) {
  .hero h1 { font-size: 30px; }
  .hero-sub { font-size: 15px; }
  .hero-ctas { flex-direction: column; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
  .feature-item { grid-template-columns: 60px 1fr; gap: 12px; }
  .feature-num { font-size: 36px; }
  .stats-grid { grid-template-columns: 1fr; gap: 24px; }
  .stat-item + .stat-item::before { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .mobile-menu { padding: 80px 16px 16px; }
}

/* roulang page: category1 */
:root {
            --primary-900: #0A3638;
            --primary-800: #0E4749;
            --primary-600: #1D6A6D;
            --primary-100: #DCE9E7;
            --primary-50: #EDF3F2;
            --accent-500: #FF7A5C;
            --accent-600: #E86244;
            --accent-100: #FFE3DB;
            --gold-500: #D4A643;
            --gold-100: #F3E8C9;
            --bg-warm: #F7F4EF;
            --text-primary: #223036;
            --text-secondary: #6E7C7B;
            --border-subtle: #E3DED4;
            --white: #FFFFFF;
            --success: #3E8E5A;
            --warning: #C77B2E;
            --error: #C0392B;
            --font-display: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
            --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --radius-sm: 4px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-full: 999px;
            --shadow-rest: 0 2px 8px rgba(14, 71, 73, 0.06);
            --shadow-hover: 0 12px 24px rgba(14, 71, 73, 0.12);
            --shadow-cta: 0 8px 20px rgba(255, 122, 92, 0.35);
            --shadow-nav: 0 2px 12px rgba(14, 71, 73, 0.08);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --section-space: clamp(64px, 8vw, 112px);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background: var(--bg-warm);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: clamp(16px, 4vw, 48px);
            padding-right: clamp(16px, 4vw, 48px);
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 76px;
            z-index: 1000;
            display: flex;
            align-items: center;
            background: transparent;
            transition: background var(--transition), height var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            height: 60px;
            background: rgba(247, 244, 239, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: var(--shadow-nav);
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

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

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(255, 122, 92, 0.3);
        }

        .logo-icon svg {
            width: 24px;
            height: 24px;
        }

        .logo-text {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 900;
            letter-spacing: 0.02em;
            color: var(--primary-800);
            transition: color var(--transition);
            white-space: nowrap;
        }

        .site-header:not(.scrolled) .logo-text {
            color: #fff;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
            margin-left: auto;
            margin-right: 32px;
        }

        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-primary);
            padding: 6px 0;
            transition: color var(--transition);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            height: 2px;
            width: 0;
            background: var(--gold-500);
            border-radius: 2px;
            transition: width var(--transition);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .nav-link.active {
            color: var(--primary-800);
            font-weight: 600;
        }

        .site-header:not(.scrolled) .nav-link {
            color: rgba(255, 255, 255, 0.92);
        }

        .site-header:not(.scrolled) .nav-link.active {
            color: #fff;
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 40px;
            padding: 0 20px;
            background: var(--accent-500);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            border-radius: 6px;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 4px 14px rgba(255, 122, 92, 0.28);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--accent-600);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 122, 92, 0.36);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
            width: 44px;
            height: 44px;
            padding: 8px;
            border-radius: 8px;
            background: transparent;
        }

        .nav-toggle span {
            display: block;
            height: 2px;
            width: 24px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .site-header:not(.scrolled) .nav-toggle span {
            background: #fff;
        }

        .nav-toggle.open span:first-child {
            transform: translateY(4px) rotate(45deg);
        }

        .nav-toggle.open span:last-child {
            transform: translateY(-4px) rotate(-45deg);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--accent-500);
        }

        .breadcrumb-sep {
            color: rgba(255, 255, 255, 0.4);
        }

        .breadcrumb .current {
            color: rgba(255, 255, 255, 0.95);
            font-weight: 500;
        }

        /* ===== Category Hero ===== */
        .cat-hero {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: flex-end;
            padding-top: 140px;
            padding-bottom: 48px;
            background: var(--primary-800);
            overflow: hidden;
        }

        .cat-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.38;
        }

        .cat-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 54, 56, 0.7) 0%, rgba(14, 71, 73, 0.55) 100%);
        }

        .cat-hero .container {
            position: relative;
            z-index: 2;
        }

        .cat-hero-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.08em;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: rgba(255, 255, 255, 0.85);
            padding: 4px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 16px;
            backdrop-filter: blur(4px);
        }

        .cat-hero h1 {
            font-family: var(--font-display);
            font-size: clamp(32px, 4.5vw, 44px);
            font-weight: 900;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 14px;
        }

        .cat-hero-desc {
            font-size: 16px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.82);
            max-width: 640px;
            margin-bottom: 28px;
        }

        .cat-hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 30px;
            font-size: 15px;
            font-weight: 700;
            border-radius: 6px;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--accent-500);
            color: #fff;
            box-shadow: var(--shadow-cta);
        }

        .btn-primary:hover {
            background: var(--accent-600);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255, 122, 92, 0.42);
        }

        .btn-ghost {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
        }

        .btn-ghost:hover {
            background: #fff;
            color: var(--primary-800);
            transform: translateY(-2px);
        }

        .btn-dark {
            background: var(--primary-800);
            color: #fff;
            border-color: transparent;
        }

        .btn-dark:hover {
            background: var(--primary-600);
            transform: translateY(-2px);
        }

        /* ===== Data Panel ===== */
        .data-panel {
            background: var(--primary-900);
            border-top: 2px solid var(--gold-500);
            padding: clamp(48px, 6vw, 72px) 0;
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }

        .data-item {
            text-align: center;
            padding: 24px 16px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: border-color var(--transition), background var(--transition);
        }

        .data-item:hover {
            border-color: rgba(212, 166, 67, 0.35);
            background: rgba(255, 255, 255, 0.06);
        }

        .data-num {
            font-family: var(--font-display);
            font-size: 56px;
            font-weight: 900;
            line-height: 1;
            color: #fff;
            font-feature-settings: "tnum";
        }

        .data-plus {
            font-family: var(--font-display);
            font-size: 32px;
            font-weight: 900;
            color: var(--gold-500);
            margin-left: 2px;
        }

        .data-label {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 10px;
        }

        /* ===== Section Header ===== */
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 48px;
            gap: 16px;
            flex-wrap: wrap;
        }

        .section-header-left .section-en {
            font-size: 13px;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            color: var(--gold-500);
            font-weight: 600;
        }

        .section-header-left h2 {
            font-family: var(--font-display);
            font-size: clamp(26px, 3.4vw, 38px);
            font-weight: 900;
            line-height: 1.3;
            color: var(--text-primary);
            margin-top: 4px;
        }

        .section-header-left p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-top: 10px;
            max-width: 560px;
        }

        .section-bar {
            width: 100%;
            height: 1px;
            background: var(--border-subtle);
            margin-top: 24px;
        }

        /* ===== Feature Section ===== */
        .section-spacer {
            padding: var(--section-space) 0;
        }

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

        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: clamp(32px, 6vw, 80px);
            align-items: center;
            padding: 48px 0;
            border-bottom: 1px solid var(--border-subtle);
        }

        .feature-row:first-child {
            padding-top: 0;
        }

        .feature-row:last-child {
            border-bottom: none;
        }

        .feature-row.reverse .feature-media {
            order: 2;
        }

        .feature-row.reverse .feature-info {
            order: 1;
        }

        .feature-number {
            font-family: var(--font-display);
            font-size: 72px;
            font-weight: 900;
            line-height: 1;
            color: transparent;
            -webkit-text-stroke: 2px var(--gold-500);
            margin-bottom: 12px;
        }

        .feature-info h3 {
            font-family: var(--font-display);
            font-size: clamp(18px, 2vw, 22px);
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .feature-info p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-secondary);
        }

        .feature-list-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 18px;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 500;
            border-radius: var(--radius-full);
            letter-spacing: 0.04em;
        }

        .tag-primary {
            background: var(--primary-100);
            color: var(--primary-800);
        }

        .tag-gold {
            background: var(--gold-100);
            color: var(--gold-500);
        }

        .tag-accent {
            background: var(--accent-100);
            color: var(--accent-600);
        }

        .feature-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-rest);
            transition: transform var(--transition-slow), box-shadow var(--transition-slow);
        }

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

        .feature-media img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .feature-media:hover img {
            transform: scale(1.03);
        }

        /* ===== Events Section ===== */
        .events-section {
            background: var(--white);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

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

        .event-card {
            background: var(--white);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .event-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }

        .event-media {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .event-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .event-card:hover .event-media img {
            transform: scale(1.05);
        }

        .event-overlay {
            position: absolute;
            top: 12px;
            left: 12px;
        }

        .event-body {
            padding: 20px;
        }

        .event-body h3 {
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
            transition: color var(--transition);
        }

        .event-card:hover .event-body h3 {
            color: var(--primary-600);
        }

        .event-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ===== Compare Panel ===== */
        .compare-section {
            background: var(--primary-50);
        }

        .compare-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .compare-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--border-subtle);
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .compare-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .compare-card-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-subtle);
        }

        .compare-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .compare-icon svg {
            width: 22px;
            height: 22px;
        }

        .compare-icon-primary {
            background: var(--primary-100);
            color: var(--primary-600);
        }

        .compare-icon-accent {
            background: var(--accent-100);
            color: var(--accent-600);
        }

        .compare-icon-gold {
            background: var(--gold-100);
            color: var(--gold-500);
        }

        .compare-card-header h3 {
            font-family: var(--font-display);
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .compare-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .compare-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-primary);
        }

        .compare-item svg {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
        }

        .compare-item-check {
            color: var(--success);
        }

        .compare-item-arrow {
            color: var(--accent-500);
        }

        .compare-item span {
            flex: 1;
        }

        .compare-item .compare-extra {
            font-size: 12px;
            color: var(--text-secondary);
            text-align: right;
            flex: 0 0 auto;
        }

        /* ===== Process Section ===== */
        .process-section {
            background: var(--white);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }

        .process-item {
            text-align: center;
            padding: 32px 16px;
            border-radius: var(--radius-md);
            background: var(--bg-warm);
            border: 1px solid var(--border-subtle);
            position: relative;
            transition: transform var(--transition), box-shadow var(--transition);
        }

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

        .process-step {
            width: 40px;
            height: 40px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: var(--primary-800);
            color: #fff;
            font-family: var(--font-display);
            font-size: 16px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .process-item h3 {
            font-family: var(--font-display);
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .process-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-warm);
        }

        .faq-list {
            max-width: 840px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-subtle);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border-subtle);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            min-height: 56px;
            padding: 12px 0;
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            text-align: left;
            transition: color var(--transition);
        }

        .faq-question:hover {
            color: var(--primary-600);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-100);
            color: var(--primary-800);
            font-size: 18px;
            font-weight: 400;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-left: 16px;
            transition: background var(--transition), transform var(--transition), color var(--transition);
            line-height: 1;
        }

        .faq-item.open .faq-icon {
            background: var(--accent-500);
            color: #fff;
            transform: rotate(135deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 48px 24px 0;
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-secondary);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            position: relative;
            background: var(--primary-800);
            padding: clamp(56px, 8vw, 100px) 0;
            text-align: center;
            overflow: hidden;
        }

        .cta-section::before,
        .cta-section::after {
            content: '';
            position: absolute;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.06);
        }

        .cta-section::before {
            width: 320px;
            height: 320px;
            left: -120px;
            top: -80px;
        }

        .cta-section::after {
            width: 180px;
            height: 180px;
            right: -50px;
            bottom: -60px;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-title {
            font-family: var(--font-display);
            font-size: clamp(24px, 3.6vw, 36px);
            font-weight: 900;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .cta-sub {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 32px;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-900);
            color: rgba(255, 255, 255, 0.9);
            padding-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-logo .logo-icon {
            width: 36px;
            height: 36px;
        }

        .footer-logo .logo-icon svg {
            width: 20px;
            height: 20px;
        }

        .footer-logo span {
            font-family: var(--font-display);
            font-size: 20px;
            font-weight: 900;
            color: #fff;
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition), padding-left var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent-500);
            padding-left: 4px;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.6;
        }

        .footer-contact svg {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
            margin-top: 3px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }

        .footer-bottom span {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== Floating CTA ===== */
        .floating-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--accent-500);
            color: #fff;
            box-shadow: var(--shadow-cta);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transform: translateY(40px);
            pointer-events: none;
            transition: opacity var(--transition-slow), transform var(--transition-slow);
            border: none;
        }

        .floating-cta.visible {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }

        .floating-cta::after {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            border: 2px solid rgba(255, 122, 92, 0.4);
            animation: pulse 2s infinite;
        }

        .floating-cta svg {
            width: 24px;
            height: 24px;
            position: relative;
            z-index: 1;
        }

        @keyframes pulse {
            0% {
                transform: scale(0.9);
                opacity: 0.8;
            }
            70% {
                transform: scale(1.3);
                opacity: 0;
            }
            100% {
                transform: scale(1.3);
                opacity: 0;
            }
        }

        /* ===== Animations ===== */
        .reveal {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: none;
        }

        @media (prefers-reduced-motion: reduce) {
            .reveal {
                opacity: 1;
                transform: none;
                transition: none;
            }
            .floating-cta::after {
                animation: none;
            }
            html {
                scroll-behavior: auto;
            }
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 20px;
                margin-right: 20px;
            }

            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .events-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .nav-link {
                font-size: 14px;
            }

            .nav-cta {
                padding: 0 16px;
                font-size: 14px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 64px;
            }

            .site-header.scrolled {
                height: 58px;
            }

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

            .nav-cta {
                display: none;
            }

            .main-nav {
                position: fixed;
                top: 0;
                right: 0;
                bottom: 0;
                width: min(320px, 82vw);
                background: var(--bg-warm);
                flex-direction: column;
                align-items: flex-start;
                padding: 100px 32px 32px;
                gap: 8px;
                transform: translateX(100%);
                transition: transform var(--transition-slow);
                box-shadow: -8px 0 24px rgba(14, 71, 73, 0.12);
                z-index: 999;
            }

            .main-nav.open {
                transform: translateX(0);
            }

            .main-nav .nav-link {
                display: block;
                width: 100%;
                height: auto;
                padding: 14px 0;
                font-size: 16px;
                color: var(--text-primary);
                border-bottom: 1px solid var(--border-subtle);
            }

            .main-nav .nav-link::after {
                display: none;
            }

            .main-nav .nav-link.active {
                color: var(--accent-600);
            }

            .main-nav .nav-cta {
                display: inline-flex;
                width: 100%;
                height: 48px;
                margin-top: 16px;
                justify-content: center;
            }

            .nav-toggle {
                display: flex;
                z-index: 1001;
            }

            .site-header:not(.scrolled) .nav-toggle span {
                background: #fff;
            }

            .feature-row {
                grid-template-columns: 1fr;
            }

            .feature-row.reverse .feature-media {
                order: 1;
            }

            .feature-row.reverse .feature-info {
                order: 2;
            }

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

            .cta-actions {
                flex-direction: column;
            }

            .cta-actions .btn {
                width: 100%;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 640px) {
            .events-grid {
                grid-template-columns: 1fr;
            }

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

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

            .data-item {
                padding: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .cat-hero {
                min-height: 300px;
                padding-top: 120px;
            }

            .cat-hero h1 {
                font-size: 30px;
            }

            .cat-hero-desc {
                font-size: 14px;
            }

            .feature-media img {
                height: 220px;
            }

            .faq-question {
                font-size: 15px;
            }

            .faq-answer-inner {
                padding-right: 20px;
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .logo-text {
                font-size: 16px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
            }

            .btn {
                padding: 12px 24px;
                font-size: 14px;
            }

            .cat-hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .cat-hero-actions .btn {
                width: 100%;
            }

            .process-item {
                padding: 24px 12px;
            }
        }

/* roulang page: article */
/* ========== 设计变量 ========== */
:root {
  --primary-900: #0A3638;
  --primary-800: #0E4749;
  --primary-600: #1D6A6D;
  --primary-100: #DCE9E7;
  --primary-50: #EDF3F2;
  --accent-500: #FF7A5C;
  --accent-600: #E86244;
  --accent-100: #FFE3DB;
  --gold-500: #D4A643;
  --gold-100: #F3E8C9;
  --bg-warm: #F7F4EF;
  --text-primary: #223036;
  --text-secondary: #6E7C7B;
  --border-subtle: #E3DED4;
  --white: #FFFFFF;
  --success: #3E8E5A;
  --warning: #C77B2E;
  --error: #C0392B;
  --font-display: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 999px;
  --shadow-rest: 0 2px 8px rgba(14, 71, 73, 0.06);
  --shadow-hover: 0 12px 24px rgba(14, 71, 73, 0.12);
  --shadow-cta: 0 8px 20px rgba(255, 122, 92, 0.35);
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 76px;
  --header-h-scroll: 60px;
}

/* ========== Reset 与基础 ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-primary);
  background-color: var(--bg-warm);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease), opacity 0.3s var(--ease);
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: clamp(16px, 4vw, 48px);
  padding-right: clamp(16px, 4vw, 48px);
}

/* ========== 头部导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(247, 244, 239, 0.94);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(227, 222, 212, 0.7);
  transition: height 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s var(--ease);
}

.site-header.scrolled {
  height: var(--header-h-scroll);
  box-shadow: 0 2px 12px rgba(14, 71, 73, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 16px;
}

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

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-500) 0%, var(--primary-800) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(255, 122, 92, 0.25);
}

.logo-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--white);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 900;
  color: var(--text-primary);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  padding: 8px 2px;
  transition: color 0.3s var(--ease), font-weight 0.3s var(--ease);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--gold-500);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-link:hover {
  color: var(--primary-600);
}

.nav-link.active {
  color: var(--primary-800);
  font-weight: 700;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 20px;
  background: var(--accent-500);
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(255, 122, 92, 0.28);
  transition: all 0.3s var(--ease);
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--accent-600);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(255, 122, 92, 0.38);
}

.nav-cta:active {
  transform: translateY(0);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  padding: 10px;
  background: var(--primary-50);
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  transform: translateY(-4px) rotate(-45deg);
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--accent-500);
  outline-offset: 2px;
}

/* ========== 移动端菜单 ========== */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  width: 100%;
  background: var(--bg-warm);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 12px 24px rgba(14, 71, 73, 0.08);
  padding: 8px clamp(16px, 4vw, 48px) 24px;
  z-index: 999;
}

.mobile-menu.open {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 14px 4px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-subtle);
  transition: color 0.3s var(--ease), padding-left 0.3s var(--ease);
}

.mobile-menu a:hover {
  color: var(--primary-600);
  padding-left: 12px;
}

.mobile-menu a:last-of-type {
  border-bottom: none;
}

.mobile-menu a.active {
  color: var(--primary-800);
  font-weight: 700;
}

.mobile-menu .mobile-cta {
  margin-top: 16px;
  background: var(--accent-500);
  color: var(--white);
  text-align: center;
  padding: 14px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 16px;
  box-shadow: 0 4px 12px rgba(255, 122, 92, 0.25);
}

.mobile-menu .mobile-cta:hover {
  background: var(--accent-600);
  padding-left: 14px;
  color: var(--white);
}

/* ========== 面包屑 ========== */
.breadcrumb-wrap {
  padding-top: calc(var(--header-h) + 20px);
  padding-bottom: 20px;
  background: var(--bg-warm);
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}

.breadcrumb a {
  color: var(--text-secondary);
  transition: color 0.3s var(--ease);
}

.breadcrumb a:hover {
  color: var(--primary-600);
}

.breadcrumb .sep {
  color: #B8B0A2;
  font-size: 12px;
}

.breadcrumb .current {
  color: var(--text-primary);
  font-weight: 500;
  max-width: 480px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ========== 文章头部 ========== */
.article-hero {
  padding: 8px 0 44px;
  background: var(--bg-warm);
}

.article-header-wrap {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}

.article-header-wrap h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.4vw, 50px);
  font-weight: 900;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 24px;
  letter-spacing: 0.01em;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--text-secondary);
  font-size: 14px;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.meta-item svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
  opacity: 0.65;
}

.meta-divider {
  width: 1px;
  height: 14px;
  background: var(--border-subtle);
  flex-shrink: 0;
}

.meta-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 14px;
  border-radius: var(--radius-full);
  background: var(--primary-100);
  color: var(--primary-800);
  font-size: 13px;
  font-weight: 600;
  transition: all 0.3s var(--ease);
}

.meta-tag:hover {
  background: var(--accent-100);
  color: var(--accent-600);
}

/* ========== 文章正文区域 ========== */
.article-section {
  padding: 0 0 64px;
  background: var(--bg-warm);
}

.article-card {
  max-width: 900px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-rest);
  padding: clamp(24px, 5vw, 56px);
  border: 1px solid rgba(227, 222, 212, 0.5);
}

.article-body {
  max-width: 760px;
  margin: 0 auto;
  font-size: 17px;
  line-height: 2;
  color: var(--text-primary);
  word-break: break-word;
}

.article-body p {
  margin-bottom: 28px;
}

.article-body h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 26px);
  font-weight: 900;
  line-height: 1.4;
  padding-left: 16px;
  border-left: 4px solid var(--accent-500);
  border-radius: 0 2px 2px 0;
  margin: 48px 0 20px;
}

.article-body h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  margin: 36px 0 16px;
  color: var(--gold-500);
}

.article-body h4 {
  font-size: 17px;
  font-weight: 700;
  margin: 28px 0 12px;
}

.article-body ul,
.article-body ol {
  margin: 0 0 28px;
  padding-left: 24px;
}

.article-body ul {
  list-style: disc;
}

.article-body ol {
  list-style: decimal;
}

.article-body li {
  margin-bottom: 10px;
  padding-left: 4px;
}

.article-body img {
  border-radius: 12px;
  margin: 32px auto;
}

.article-body blockquote {
  background: var(--primary-50);
  border-left: 4px solid var(--primary-600);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 20px 24px;
  margin: 32px 0;
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--primary-800);
  position: relative;
}

.article-body blockquote::before {
  content: '\201C';
  position: absolute;
  top: -12px;
  left: 10px;
  font-size: 52px;
  color: var(--primary-100);
  font-family: Georgia, serif;
  line-height: 1;
  z-index: 0;
}

.article-body blockquote p {
  margin-bottom: 0;
  position: relative;
  z-index: 1;
}

.article-body a {
  color: var(--primary-600);
  border-bottom: 1px solid var(--primary-100);
}

.article-body a:hover {
  color: var(--accent-600);
  border-color: var(--accent-500);
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  font-size: 14px;
  line-height: 1.6;
}

.article-body th,
.article-body td {
  padding: 12px 16px;
  border: 1px solid var(--border-subtle);
  text-align: left;
}

.article-body th {
  background: var(--primary-50);
  font-weight: 700;
  color: var(--primary-800);
}

.article-body tr:nth-child(even) td {
  background: var(--bg-warm);
}

.article-body code {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 14px;
  background: var(--primary-50);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  word-break: break-all;
}

.article-body pre {
  background: var(--primary-900);
  color: #E8EFED;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 32px 0;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.7;
}

.article-body pre code {
  background: none;
  color: inherit;
  padding: 0;
}

.article-body hr {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin: 40px 0;
}

.article-body figure {
  margin: 32px 0;
}

.article-body figure img {
  margin: 0;
}

.article-body figcaption {
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 12px;
}

.article-body strong {
  font-weight: 700;
  color: var(--text-primary);
}

.article-body em {
  font-style: italic;
}

/* ========== 内容未找到 ========== */
.not-found {
  text-align: center;
  padding: 70px 24px;
}

.not-found-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--primary-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
}

.not-found-icon svg {
  width: 34px;
  height: 34px;
  fill: var(--primary-800);
}

.not-found h2 {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 900;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.not-found p {
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* ========== 标签区 ========== */
.tags-section {
  padding: 0 0 48px;
  background: var(--bg-warm);
}

.tags-wrap {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
}

.tags-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-right: 4px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 16px;
  border-radius: var(--radius-full);
  background: var(--gold-100);
  color: #A5821F;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.3s var(--ease);
}

.tag:hover {
  background: var(--accent-100);
  color: var(--accent-600);
  transform: translateY(-1px);
}

/* ========== 通用按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 700;
  transition: all 0.3s var(--ease);
  cursor: pointer;
  border: 1px solid transparent;
  line-height: 1.4;
}

.btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  flex-shrink: 0;
}

.btn-outline {
  background: transparent;
  border-color: var(--primary-600);
  color: var(--primary-600);
}

.btn-outline:hover {
  background: var(--primary-600);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(14, 71, 73, 0.15);
}

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

.btn-primary {
  background: var(--accent-500);
  color: var(--white);
  box-shadow: var(--shadow-cta);
}

.btn-primary:hover {
  background: var(--accent-600);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(255, 122, 92, 0.42);
}

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

.btn-lg {
  padding: 16px 36px;
  font-size: 16px;
}

.btn:focus-visible {
  outline: 2px solid var(--accent-500);
  outline-offset: 3px;
}

/* ========== 相关推荐 ========== */
.related-section {
  padding: 72px 0;
  background: var(--primary-50);
  border-top: 1px solid var(--border-subtle);
}

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

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 900;
  color: var(--text-primary);
  position: relative;
  padding-left: 16px;
}

.section-head h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 24px;
  background: var(--accent-500);
  border-radius: 2px;
}

.section-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-600);
  transition: all 0.3s var(--ease);
}

.section-more span {
  transition: transform 0.3s var(--ease);
}

.section-more:hover {
  color: var(--accent-600);
}

.section-more:hover span {
  transform: translateX(4px);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 52px;
}

.related-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-rest);
  transition: all 0.35s var(--ease);
  border: 1px solid rgba(227, 222, 212, 0.5);
}

.related-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-subtle);
}

.related-thumb {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--primary-100);
}

.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.related-card:hover .related-thumb img {
  transform: scale(1.04);
}

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

.related-info h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.55;
  margin-bottom: 10px;
  color: var(--text-primary);
  transition: color 0.3s var(--ease);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-card:hover .related-info h3 {
  color: var(--primary-600);
}

.related-date {
  margin-top: auto;
  font-size: 13px;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.related-date svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
  opacity: 0.6;
}

.back-btn-wrap {
  text-align: center;
}

/* ========== CTA 收束区 ========== */
.cta-band {
  background: var(--primary-800);
  padding: clamp(56px, 8vw, 88px) 0;
  position: relative;
  overflow: hidden;
}

.cta-band::before,
.cta-band::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.cta-band::before {
  width: 340px;
  height: 340px;
  top: -170px;
  right: -80px;
}

.cta-band::after {
  width: 220px;
  height: 220px;
  bottom: -110px;
  left: -50px;
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 900;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.35;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 16px;
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.cta-inner .btn-primary {
  box-shadow: 0 8px 24px rgba(255, 122, 92, 0.4);
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--primary-900);
  color: rgba(255, 255, 255, 0.9);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: clamp(28px, 4vw, 56px);
  padding-bottom: 52px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 18px;
}

.footer-logo .logo-icon {
  width: 36px;
  height: 36px;
}

.footer-logo .logo-icon svg {
  width: 20px;
  height: 20px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
  max-width: 300px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
  transition: all 0.3s var(--ease);
  display: inline-block;
}

.footer-col ul li a:hover {
  color: var(--accent-500);
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
  margin-bottom: 14px;
}

.footer-contact svg {
  width: 16px;
  height: 16px;
  fill: var(--accent-500);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.footer-bottom span {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
}

/* ========== 浮动 CTA ========== */
.float-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-500);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(255, 122, 92, 0.35);
  cursor: pointer;
  transition: all 0.35s var(--ease);
  opacity: 0;
  transform: translateY(40px);
  pointer-events: none;
}

.float-cta::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: var(--accent-500);
  animation: pulse 2s infinite;
  z-index: -1;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.35;
  }
  70% {
    transform: scale(1.5);
    opacity: 0;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

.float-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.float-cta:hover {
  background: var(--accent-600);
  transform: translateY(-3px) scale(1.04);
}

.float-cta svg {
  width: 24px;
  height: 24px;
  fill: var(--white);
}

@media (prefers-reduced-motion: reduce) {
  .float-cta::before {
    animation: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }
  .nav-cta {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .mobile-menu {
    display: none;
  }
  .mobile-menu.open {
    display: block;
  }
}

@media (max-width: 768px) {
  .related-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-brand p {
    max-width: 100%;
  }
  .article-card {
    padding: 24px 20px;
    border-radius: 12px;
  }
  .article-header-wrap h1 {
    font-size: 28px;
  }
  .breadcrumb-wrap {
    padding-top: calc(var(--header-h) + 12px);
  }
  .cta-inner h2 {
    font-size: 24px;
  }
}

@media (max-width: 640px) {
  .article-meta {
    gap: 10px;
  }
  .meta-divider {
    display: none;
  }
  .meta-item {
    font-size: 13px;
  }
  .logo-text {
    font-size: 18px;
  }
  .logo-icon {
    width: 36px;
    height: 36px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 0;
  }
  .float-cta {
    right: 16px;
    bottom: 16px;
    width: 50px;
    height: 50px;
  }
  .article-body {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .tags-wrap {
    gap: 8px;
  }
  .tag {
    padding: 4px 12px;
  }
  .section-head h2 {
    font-size: 22px;
  }
  .related-info {
    padding: 16px 18px 20px;
  }
}

/* roulang page: category2 */
:root {
  --primary-900: #0A3638;
  --primary-800: #0E4749;
  --primary-600: #1D6A6D;
  --primary-100: #DCE9E7;
  --primary-50: #EDF3F2;
  --accent-500: #FF7A5C;
  --accent-600: #E86244;
  --accent-100: #FFE3DB;
  --gold-500: #D4A643;
  --gold-100: #F3E8C9;
  --bg-warm: #F7F4EF;
  --text-primary: #223036;
  --text-secondary: #6E7C7B;
  --border-subtle: #E3DED4;
  --white: #FFFFFF;
  --success: #3E8E5A;
  --warning: #C77B2E;
  --error: #C0392B;
  --font-display: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --shadow-card: 0 2px 8px rgba(14, 71, 73, 0.06);
  --shadow-card-hover: 0 12px 24px rgba(14, 71, 73, 0.12);
  --shadow-cta: 0 8px 20px rgba(255, 122, 92, 0.35);
  --shadow-header: 0 2px 12px rgba(14, 71, 73, 0.08);
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 999px;
  --transition-fast: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1280px;
  --section-space: clamp(64px, 8vw, 112px);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-warm);
  color: var(--text-primary);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 48px);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

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

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

input,
textarea,
select {
  font-family: inherit;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 76px;
  background: rgba(247, 244, 239, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(227, 222, 212, 0.7);
  transition: height 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.site-header.scrolled {
  height: 60px;
  box-shadow: var(--shadow-header);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

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

.logo-icon {
  display: inline-flex;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(255, 122, 92, 0.3);
  flex-shrink: 0;
}

.logo-icon svg {
  width: 24px;
  height: 24px;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 900;
  color: var(--primary-800);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  position: relative;
  padding: 6px 0;
  line-height: 1.4;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--gold-500);
  transition: width var(--transition-fast);
}

.nav-link:hover {
  color: var(--primary-600);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link.active {
  color: var(--primary-800);
  font-weight: 600;
}

.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 22px;
  background: var(--accent-500);
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(255, 122, 92, 0.3);
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--accent-600);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(255, 122, 92, 0.4);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: var(--radius-sm);
  background: var(--primary-50);
  transition: background var(--transition-fast);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--primary-800);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Mobile nav panel */
.mobile-nav {
  display: none;
  position: fixed;
  top: 76px;
  left: 0;
  right: 0;
  background: var(--bg-warm);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-header);
  padding: 12px 0 20px;
  z-index: 999;
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
}

.mobile-nav.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav .mobile-link {
  display: block;
  padding: 14px clamp(16px, 4vw, 48px);
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(227, 222, 212, 0.5);
}

.mobile-nav .mobile-link:hover {
  color: var(--primary-600);
  background: var(--primary-50);
}

.mobile-nav .mobile-link.active {
  color: var(--primary-800);
  font-weight: 700;
  border-left: 3px solid var(--gold-500);
}

.mobile-nav .mobile-cta {
  display: block;
  margin: 16px clamp(16px, 4vw, 48px) 0;
  text-align: center;
  height: 48px;
  line-height: 48px;
  background: var(--accent-500);
  color: var(--white);
  font-weight: 700;
  border-radius: 6px;
  box-shadow: var(--shadow-cta);
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  padding: 160px 0 72px;
  background:
    linear-gradient(135deg, rgba(14, 71, 73, 0.92), rgba(10, 54, 56, 0.96)),
    url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--accent-500);
}

.breadcrumb .separator {
  margin: 0 10px;
  opacity: 0.5;
}

.breadcrumb .current {
  color: var(--white);
  font-weight: 500;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--gold-500);
  text-transform: uppercase;
  background: rgba(212, 166, 67, 0.12);
  border: 1px solid rgba(212, 166, 67, 0.35);
  padding: 6px 18px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 48px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.2;
  letter-spacing: 0.01em;
  margin-bottom: 16px;
}

.hero-desc {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  margin-bottom: 32px;
}

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

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 700;
  border-radius: 6px;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-500);
  color: var(--white);
  box-shadow: var(--shadow-cta);
  border: 2px solid transparent;
}

.btn-primary:hover {
  background: var(--accent-600);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(255, 122, 92, 0.45);
}

.btn-outline-light {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.7);
}

.btn-outline-light:hover {
  background: var(--white);
  color: var(--primary-800);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--primary-800);
  border: 2px solid var(--primary-600);
}

.btn-outline:hover {
  background: var(--primary-600);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(14, 71, 73, 0.18);
}

.btn-accent {
  background: var(--accent-500);
  color: var(--white);
  border: 2px solid transparent;
  box-shadow: var(--shadow-cta);
}

.btn-accent:hover {
  background: var(--accent-600);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255, 122, 92, 0.45);
}

.btn-lg {
  padding: 16px 42px;
  font-size: 17px;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* ===== Badge ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: var(--radius-full);
  line-height: 1.6;
}

.badge-gold {
  background: var(--gold-100);
  color: var(--gold-500);
}

.badge-green {
  background: var(--primary-100);
  color: var(--primary-800);
}

.badge-accent {
  background: var(--accent-100);
  color: var(--accent-600);
}

/* ===== Section head ===== */
.section-head {
  margin-bottom: 40px;
}

.section-head.center {
  text-align: center;
}

.section-mark {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--gold-500);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1.3;
}

.section-head.center .section-mark::after,
.section-head.center .section-mark::before {
  content: "";
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--gold-500);
  vertical-align: middle;
  margin: 0 8px;
}

/* ===== Split layout ===== */
.split-layout {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 48px;
  padding: var(--section-space) 0 0;
}

.main-col {
  min-width: 0;
}

.sidebar-col {
  min-width: 0;
}

/* ===== Feature card large ===== */
.feature-card-large {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-subtle);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  margin-bottom: 56px;
}

.feature-card-large:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}

.feature-card-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}

.feature-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.feature-card-large:hover .feature-card-image img {
  transform: scale(1.03);
}

.feature-card-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 70%, rgba(10, 54, 56, 0.35));
}

.feature-card-body {
  padding: 32px 32px 36px;
}

.feature-card-body .badge {
  margin-bottom: 14px;
}

.feature-card-body h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: 14px;
}

.feature-card-body p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 22px;
  max-width: 90%;
}

/* ===== Guide points (编号档案) ===== */
.guide-points {
  margin-bottom: 64px;
}

.point-archive {
  border-top: 1px solid var(--border-subtle);
}

.point-row {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 24px;
  padding: 36px 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-fast);
}

.point-row:hover {
  background: rgba(237, 243, 242, 0.5);
}

.point-num {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 900;
  color: var(--gold-500);
  line-height: 1.1;
  font-feature-settings: "tnum";
}

.point-content h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.point-content p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-secondary);
}

/* ===== Scenario path ===== */
.scenario-section {
  margin-bottom: 64px;
}

.scenario-path {
  position: relative;
  padding-left: 32px;
}

.scenario-path::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-500), var(--primary-600));
  opacity: 0.3;
  border-radius: 2px;
}

.path-item {
  position: relative;
  margin-bottom: 32px;
  background: var(--white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.path-item:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.path-dot {
  position: absolute;
  left: -27px;
  top: 30px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-500);
  border: 2px solid var(--bg-warm);
  box-shadow: 0 0 0 2px var(--accent-500), 0 0 0 4px rgba(255, 122, 92, 0.2);
}

.path-item:nth-child(2) .path-dot {
  background: var(--primary-600);
  box-shadow: 0 0 0 2px var(--primary-600), 0 0 0 4px rgba(29, 106, 109, 0.2);
}

.path-item:nth-child(3) .path-dot {
  background: var(--gold-500);
  box-shadow: 0 0 0 2px var(--gold-500), 0 0 0 4px rgba(212, 166, 67, 0.2);
}

.path-content h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.path-content p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* ===== Process flow ===== */
.process-section {
  margin-bottom: 32px;
}

.process-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.process-step {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px 20px 24px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
  position: relative;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.process-step:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-800);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  margin-bottom: 16px;
}

.process-step:nth-child(2) .step-num {
  background: var(--accent-500);
}

.process-step:nth-child(3) .step-num {
  background: var(--gold-500);
}

.process-step:nth-child(4) .step-num {
  background: var(--primary-600);
}

.process-step h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.process-step p {
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-secondary);
}

.process-arrow {
  display: none;
}

/* ===== Sidebar ===== */
.side-card {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
  padding: 24px;
  margin-bottom: 24px;
}

.side-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.side-card h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 36px;
  height: 2px;
  background: var(--gold-500);
  border-radius: 2px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-block;
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--primary-800);
  background: var(--primary-50);
  border: 1px solid var(--primary-100);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.tag:hover {
  background: var(--accent-500);
  color: var(--white);
  border-color: var(--accent-500);
  transform: translateY(-2px);
}

.tag:nth-child(even) {
  background: var(--gold-100);
  border-color: rgba(212, 166, 67, 0.3);
  color: #8a6d1f;
}

.tag:nth-child(even):hover {
  background: var(--gold-500);
  color: var(--white);
  border-color: var(--gold-500);
}

.side-links {
  margin-top: 4px;
}

.side-links li + li {
  margin-top: 12px;
}

.side-links a {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  padding-left: 14px;
  border-left: 2px solid var(--primary-100);
  transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), padding-left var(--transition-fast);
  line-height: 1.6;
}

.side-links a::before {
  content: "›";
  font-weight: 900;
  color: var(--accent-500);
}

.side-links a:hover {
  color: var(--primary-600);
  border-left-color: var(--accent-500);
  padding-left: 18px;
}

.side-promo {
  background: var(--primary-800);
  border-color: var(--primary-800);
  color: var(--white);
  overflow: hidden;
  position: relative;
}

.side-promo::after {
  content: "";
  position: absolute;
  right: -32px;
  top: -32px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: rgba(255, 122, 92, 0.15);
}

.side-promo img {
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.side-promo h3 {
  color: var(--white);
  border-bottom-color: rgba(255, 255, 255, 0.15);
}

.side-promo h3::after {
  background: var(--accent-500);
}

.side-promo p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 18px;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--white);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--section-space) 0;
  margin-top: var(--section-space);
}

.faq-section .section-head {
  margin-bottom: 48px;
}

.faq-list {
  max-width: 840px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-subtle);
}

.faq-item:first-child {
  border-top: 1px solid var(--border-subtle);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 22px 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  text-align: left;
  gap: 16px;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--primary-600);
}

.faq-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-100);
  color: var(--primary-800);
  font-size: 20px;
  font-weight: 400;
  flex-shrink: 0;
  transition: background var(--transition-fast), color var(--transition-fast), transform 0.35s ease;
}

.faq-item.active .faq-icon {
  background: var(--accent-500);
  color: var(--white);
  transform: rotate(135deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 20px;
}

.faq-answer p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-secondary);
  padding-right: 48px;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--primary-800);
  padding: clamp(56px, 7vw, 96px) 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-section::before {
  content: "";
  position: absolute;
  left: -80px;
  top: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.06);
}

.cta-section::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 2px solid rgba(255, 122, 92, 0.12);
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 36px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 14px;
}

.cta-section p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 520px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-900);
  color: rgba(255, 255, 255, 0.9);
  padding-top: 72px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-logo .logo-icon {
  width: 36px;
  height: 36px;
}

.footer-logo .logo-icon svg {
  width: 20px;
  height: 20px;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.6);
  max-width: 320px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
  display: inline-block;
}

.footer-col ul a:hover {
  color: var(--accent-500);
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact svg {
  width: 16px;
  height: 16px;
  color: var(--accent-500);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
}

/* ===== Float CTA ===== */
.float-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 998;
  opacity: 0;
  transform: translateY(40px);
  visibility: hidden;
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
}

.float-cta.show {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.float-cta-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-500);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(255, 122, 92, 0.4);
  position: relative;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.float-cta-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(255, 122, 92, 0.4);
  animation: pulse 2s ease-out infinite;
}

.float-cta-btn:hover {
  background: var(--accent-600);
  transform: scale(1.05);
}

.float-cta-btn svg {
  width: 26px;
  height: 26px;
  position: relative;
  z-index: 1;
}

.float-cta-panel {
  position: absolute;
  right: 0;
  bottom: 68px;
  width: 300px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: 0 16px 40px rgba(14, 71, 73, 0.16);
  padding: 24px;
  opacity: 0;
  transform: translateY(12px) scale(0.96);
  visibility: hidden;
  transition: opacity 0.35s ease, transform 0.35s ease, visibility 0.35s;
  pointer-events: none;
}

.float-cta-panel.show {
  opacity: 1;
  transform: translateY(0) scale(1);
  visibility: visible;
  pointer-events: auto;
}

.float-cta-panel p {
  font-size: 14px;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 12px;
}

.float-cta-panel .btn {
  margin-bottom: 12px;
}

.panel-divider {
  text-align: center;
  font-size: 12px;
  color: var(--text-secondary);
  margin: 12px 0;
}

.qr-placeholder {
  width: 96px;
  height: 96px;
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-sm);
  background: var(--primary-50);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 122, 92, 0.35);
  }
  70% {
    box-shadow: 0 0 0 18px rgba(255, 122, 92, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 122, 92, 0);
  }
}

/* ===== Scroll reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ===== Responsive ===== */
@media (max-width: 1280px) {
  .process-flow {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  .split-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .main-nav,
  .nav-cta {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .mobile-nav {
    display: block;
  }
}

@media (max-width: 768px) {
  .page-hero {
    padding: 140px 0 56px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .point-row {
    grid-template-columns: 72px 1fr;
    gap: 16px;
    padding: 28px 0;
  }
  .point-num {
    font-size: 32px;
  }
  .process-flow {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer-contact {
    grid-column: 1 / -1;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .feature-card-body {
    padding: 24px 20px 28px;
  }
  .feature-card-body p {
    max-width: 100%;
  }
  .scenario-path {
    padding-left: 22px;
  }
  .path-dot {
    left: -22px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-contact {
    grid-column: auto;
  }
  .cta-section h2 {
    font-size: 24px;
  }
  .float-cta {
    right: 16px;
    bottom: 16px;
  }
  .side-card {
    padding: 20px;
  }
  .faq-answer p {
    padding-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}