/* roulang page: index */
:root {
  --ink: #1E1A15;
  --ink-2: #211D18;
  --clay: #A97C50;
  --amber: #B4835A;
  --cream: #F7F3EA;
  --cream-2: #EFE9DD;
  --dark: #16130F;
  --text-main: #201B15;
  --text-muted: #6E6355;
  --text-faint: #A89F91;
  --border: rgba(30, 26, 21, 0.08);
  --border-dark: rgba(255, 255, 255, 0.1);
  --shadow-sm: 0 8px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 20px 40px rgba(0,0,0,0.12);
  --radius: 14px;
  --radius-sm: 8px;
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --font-sans: "PingFang SC", "Noto Sans SC", -apple-system, "Helvetica Neue", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--cream);
  color: var(--text-main);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 100px 0; }
.section-tight { padding: 72px 0; }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
}
.section-label::after {
  content: "";
  width: 48px;
  height: 1px;
  background: var(--clay);
  display: inline-block;
}
.section-title {
  font-family: var(--font-serif);
  font-size: 32px;
  line-height: 1.3;
  letter-spacing: 0.04em;
  color: var(--text-main);
  margin-top: 12px;
}
.section-desc {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 680px;
  margin-top: 12px;
  line-height: 1.8;
}
/* ====== Header ====== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 243, 234, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.top-bar {
  background: var(--ink);
  color: rgba(255,255,255,0.72);
  font-size: 12px;
  padding: 6px 0;
}
.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.top-bar .status-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #E8D8C3;
  font-weight: 500;
}
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #D9A06B;
  display: inline-block;
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }
.masthead-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 16px;
  padding-bottom: 16px;
}
.brand-logo {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink);
  line-height: 1.2;
  white-space: nowrap;
}
.brand-logo em {
  font-style: normal;
  color: var(--clay);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-link {
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.25s, border-color 0.25s;
  white-space: nowrap;
}
.nav-link:hover { color: var(--clay); border-color: var(--clay); }
.nav-link.active { color: var(--ink); border-color: var(--clay); font-weight: 600; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: all 0.3s ease-out;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--ink);
  color: #FBF8F2;
}
.btn-primary:hover {
  background: var(--clay);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(169,124,80,0.3);
}
.btn-outline {
  border-color: var(--border);
  color: var(--text-main);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--clay);
  color: var(--clay);
  background: rgba(169,124,80,0.05);
  transform: translateY(-2px);
}
.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn-block { width: 100%; }
.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 20px;
  padding: 6px 10px;
  color: var(--ink);
}
/* ====== Hero ====== */
.hero {
  position: relative;
  background:
    linear-gradient(to right, rgba(247,243,234,0.94) 0%, rgba(247,243,234,0.82) 45%, rgba(247,243,234,0.6) 100%),
    url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  padding: 110px 0 90px;
  border-bottom: 1px solid var(--border);
}
.hero::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 42%;
  background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  opacity: 0.3;
  pointer-events: none;
  mask-image: linear-gradient(to left, rgba(0,0,0,0.6), transparent);
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--clay);
  border: 1px solid rgba(169,124,80,0.3);
  border-radius: 999px;
  padding: 6px 14px;
  background: rgba(255,255,255,0.4);
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: 46px;
  line-height: 1.3;
  letter-spacing: 0.03em;
  color: var(--ink);
  margin-top: 22px;
  font-weight: 700;
}
.hero-sub {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.9;
  margin-top: 20px;
  max-width: 520px;
}
.hero-stats {
  display: flex;
  gap: 36px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.hero-stats .stat-num {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 32px;
  color: var(--ink);
  display: block;
  line-height: 1.1;
}
.hero-stats .stat-label {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-top: 4px;
  display: block;
}
.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.hero-form-wrap {
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(6px);
  position: relative;
  z-index: 2;
}
.hero-form-wrap h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--ink);
  margin-bottom: 4px;
}
.hero-form-wrap .form-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.form-group { margin-bottom: 16px; }
.form-field {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(30,26,21,0.15);
  padding: 12px 2px;
  font-size: 15px;
  color: var(--text-main);
  outline: none;
  transition: border-color 0.3s;
  border-radius: 0;
}
.form-field:focus { border-bottom-color: var(--clay); }
select.form-field {
  appearance: none;
  -webkit-appearance: none;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236E6355' d='M6 9L1 4h10z'/%3E%3C/svg%3E") no-repeat right 2px center;
}
.form-tip {
  font-size: 12px;
  color: var(--text-faint);
  text-align: center;
  margin-top: 14px;
  line-height: 1.6;
}
/* ====== News ====== */
.news-section { background: var(--cream); }
.news-row {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.25s, transform 0.25s;
  position: relative;
}
.news-row:hover {
  background: rgba(169,124,80,0.03);
}
.news-row:hover .news-arrow { transform: translateX(5px); color: var(--clay); }
.news-index {
  font-family: Georgia, serif;
  font-size: 26px;
  color: var(--clay);
  min-width: 42px;
}
.news-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 100px;
}
.news-cat {
  font-size: 12px;
  color: var(--clay);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.news-date {
  font-size: 12px;
  color: var(--text-faint);
}
.news-body { flex: 1; }
.news-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  display: block;
  line-height: 1.4;
  transition: color 0.25s;
}
.news-row:hover .news-title { color: var(--clay); }
.news-excerpt {
  font-size: 14px;
  color: var(--text-muted);
  display: block;
  margin-top: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-arrow {
  font-size: 20px;
  color: var(--text-faint);
  transition: transform 0.25s, color 0.25s;
}
.news-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 15px;
}
.news-empty .empty-icon {
  font-size: 32px;
  color: var(--text-faint);
  display: block;
  margin-bottom: 12px;
}
/* ====== Services ====== */
.services-section { background: #fff; }
.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
  position: relative;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.service-card-img {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease-out;
}
.service-card:hover .service-card-img img { transform: scale(1.03); }
.service-card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px rgba(30,26,21,0.08);
  pointer-events: none;
  border-radius: 0;
}
.service-card-body { padding: 24px; }
.service-card-num {
  font-family: Georgia, serif;
  font-size: 36px;
  color: rgba(169,124,80,0.35);
  line-height: 1;
  position: absolute;
  top: 16px;
  right: 20px;
  z-index: 2;
  transition: color 0.3s;
}
.service-card:hover .service-card-num { color: var(--clay); }
.service-card h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--ink);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.service-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}
.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--clay);
  margin-top: 16px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
  transition: gap 0.25s;
}
.service-card-link:hover { gap: 10px; }
/* ====== Scenarios ====== */
.scenarios-section {
  background: var(--dark);
  color: #EFE9DD;
  position: relative;
  overflow: hidden;
}
.scenarios-section::before {
  content: "";
  position: absolute;
  top: -60px;
  left: -60px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(169,124,80,0.12), transparent 70%);
  pointer-events: none;
}
.scenarios-section .section-title { color: #F7F3EA; }
.scenarios-section .section-desc { color: rgba(255,255,255,0.6); }
.scenarios-section .section-label { color: rgba(255,255,255,0.5); }
.scenarios-section .section-label::after { background: var(--clay); }
.scenario-item {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border-dark);
  transition: background 0.3s, padding-left 0.3s;
  border-radius: 4px;
}
.scenario-item:hover { background: rgba(255,255,255,0.02); padding-left: 12px; }
.scenario-num {
  font-family: Georgia, serif;
  font-size: 42px;
  color: var(--clay);
  line-height: 1;
  min-width: 56px;
  transition: transform 0.3s;
}
.scenario-item:hover .scenario-num { transform: rotate(-4deg); }
.scenario-info h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  color: #F7F3EA;
  margin-bottom: 6px;
}
.scenario-info p {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
}
.scenario-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid rgba(217,160,107,0.4);
  color: #D9A06B;
  margin-top: 10px;
}
.scenario-tag.gray {
  border-color: rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.5);
}
/* ====== Cases ====== */
.cases-section { background: var(--cream); }
.case-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}
.case-card-img {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.case-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.case-round {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 11px;
  letter-spacing: 0.1em;
  font-family: Georgia, serif;
  background: rgba(22,19,15,0.75);
  color: #E8D8C3;
  padding: 4px 10px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
  z-index: 2;
}
.case-info { padding: 18px 20px; }
.case-name {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--ink);
  margin-bottom: 4px;
}
.case-date {
  font-size: 12px;
  color: var(--text-faint);
}
.case-card.dashed-card {
  border: 1px dashed var(--text-faint);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  transition: background 0.3s, border-color 0.3s;
}
.case-card.dashed-card:hover {
  border-color: var(--clay);
  background: rgba(169,124,80,0.03);
}
.case-all-link {
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}
.case-all-link .arrow { display: block; font-size: 28px; color: var(--clay); margin-top: 8px; transition: transform 0.3s; }
.case-card.dashed-card:hover .arrow { transform: translateX(6px); }
/* ====== Pricing ====== */
.pricing-section { background: #fff; }
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; align-items: stretch; }
.price-card {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
}
.price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.price-card.featured {
  background: var(--ink);
  color: #F7F3EA;
  border-color: var(--ink);
  box-shadow: 0 20px 40px rgba(30,26,21,0.2);
  transform: translateY(-8px);
}
.price-card.featured:hover { transform: translateY(-10px); }
.price-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--clay);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 4px 16px;
  border-radius: 999px;
  white-space: nowrap;
}
.price-name {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--ink);
  font-weight: 700;
}
.featured .price-name { color: #F7F3EA; }
.price-desc { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.featured .price-desc { color: rgba(255,255,255,0.6); }
.price-value {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 40px;
  color: var(--clay);
  margin: 20px 0;
  line-height: 1;
}
.featured .price-value { color: #D9A06B; }
.price-value .unit { font-size: 14px; color: var(--text-muted); }
.featured .price-value .unit { color: rgba(255,255,255,0.5); }
.price-list { list-style: none; margin: 0 0 24px; padding: 0; flex: 1; }
.price-list li {
  font-size: 14px;
  color: var(--text-muted);
  padding: 8px 0;
  border-bottom: 1px solid rgba(30,26,21,0.05);
  display: flex;
  align-items: center;
  gap: 8px;
}
.featured .price-list li { color: rgba(255,255,255,0.7); border-bottom-color: rgba(255,255,255,0.08); }
.price-list li::before {
  content: "◆";
  font-size: 8px;
  color: var(--clay);
  flex-shrink: 0;
}
.featured .price-list li::before { color: #D9A06B; }
.price-card .btn { margin-top: auto; }
.featured .btn-primary { background: var(--clay); color: #fff; }
.featured .btn-primary:hover { background: var(--amber); }
/* ====== Quick Answer ====== */
.quick-section { background: var(--cream-2); }
.qa-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
}
.qa-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.qa-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(169,124,80,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 16px;
  color: var(--clay);
}
.qa-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}
.qa-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}
/* ====== Guarantee ====== */
.guarantee-section {
  background: var(--dark);
  color: rgba(255,255,255,0.85);
  position: relative;
  overflow: hidden;
}
.guarantee-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 200px;
  background: radial-gradient(ellipse, rgba(169,124,80,0.12), transparent 70%);
  pointer-events: none;
}
.guarantee-section .section-title { color: #F7F3EA; }
.guarantee-section .section-desc { color: rgba(255,255,255,0.6); }
.guarantee-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 48px; }
.guarantee-item {
  text-align: center;
  padding: 32px 20px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  transition: background 0.3s, border-color 0.3s;
}
.guarantee-item:hover { background: rgba(255,255,255,0.03); border-color: rgba(169,124,80,0.4); }
.guarantee-icon {
  font-size: 30px;
  margin-bottom: 14px;
  display: block;
}
.guarantee-item h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  color: #F7F3EA;
  margin-bottom: 8px;
}
.guarantee-item p {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
}
/* ====== FAQ ====== */
.faq-section { background: var(--cream); }
.faq-list { max-width: 820px; margin: 40px auto 0; }
.faq-item {
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 8px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  transition: color 0.3s;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
}
.faq-question:hover { color: var(--clay); }
.faq-item.active .faq-question { color: var(--clay); }
.faq-icon {
  width: 22px;
  height: 22px;
  min-width: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--text-faint);
  color: var(--text-faint);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: transform 0.3s, border-color 0.3s, color 0.3s;
  font-style: normal;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  border-color: var(--clay);
  color: var(--clay);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-answer-inner {
  padding: 0 8px 22px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 720px;
}
.faq-item.active .faq-answer { max-height: 400px; }
/* ====== CTA ====== */
.cta-section {
  background: var(--ink);
  color: #F7F3EA;
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  opacity: 0.12;
  pointer-events: none;
}
.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  padding: 40px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  background: rgba(22,19,15,0.4);
  backdrop-filter: blur(4px);
}
.cta-inner h2 {
  font-family: var(--font-serif);
  font-size: 32px;
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: #F7F3EA;
}
.cta-inner p {
  color: rgba(255,255,255,0.65);
  font-size: 15px;
  margin-top: 14px;
  line-height: 1.8;
}
.cta-inner .btn {
  margin-top: 28px;
  background: var(--clay);
  color: #fff;
}
.cta-inner .btn:hover { background: var(--amber); transform: translateY(-2px); }
/* ====== Footer ====== */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,0.6);
  padding: 70px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand {
  font-family: var(--font-serif);
  font-size: 24px;
  color: #F7F3EA;
  margin-bottom: 12px;
}
.footer-brand em { font-style: normal; color: var(--clay); }
.footer-about { font-size: 13px; line-height: 1.8; color: rgba(255,255,255,0.5); margin-top: 10px; }
.footer-title {
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-links { list-style: none; padding: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  transition: color 0.25s, padding-left 0.25s;
}
.footer-links a:hover {
  color: var(--clay);
  padding-left: 4px;
}
.footer-contact { font-size: 13px; line-height: 2; color: rgba(255,255,255,0.5); }
.footer-contact strong { color: rgba(255,255,255,0.8); font-weight: 500; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 20px 0;
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-bottom a { color: rgba(255,255,255,0.45); }
.footer-bottom a:hover { color: var(--clay); }
.round-end {
  text-align: center;
  font-family: Georgia, serif;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.25);
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
/* ====== Mobile Menu ====== */
.mobile-menu {
  display: none;
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 16px 24px 24px;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 12px 0;
  font-size: 15px;
  color: var(--text-main);
  border-bottom: 1px solid rgba(30,26,21,0.05);
}
.mobile-menu a:last-child { border-bottom: none; }
/* ====== Reveal Animation ====== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
/* ====== Responsive ====== */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero::after { display: none; }
  .price-grid { gap: 20px; }
  .price-card { padding: 28px 20px; }
  .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .main-nav { display: none; }
  .mobile-menu-btn { display: block; }
  .top-bar-inner { justify-content: center; text-align: center; }
  .top-bar .hide-mobile { display: none; }
  .hero { padding: 64px 0 60px; }
  .hero h1 { font-size: 34px; }
  .hero-stats { gap: 20px; }
  .hero-stats .stat-num { font-size: 26px; }
  .brand-logo { font-size: 24px; }
  .service-card-body { padding: 18px; }
  .scenario-item { gap: 16px; }
  .scenario-num { font-size: 30px; min-width: 36px; }
  .guarantee-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-inner { padding: 24px; }
  .cta-inner h2 { font-size: 24px; }
  .news-row { flex-wrap: wrap; gap: 12px; }
  .news-index { min-width: 30px; font-size: 20px; }
  .news-meta { min-width: 0; flex-direction: row; gap: 12px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .price-grid { grid-template-columns: 1fr; }
  .price-card.featured { transform: none; }
  .hero h1 { font-size: 28px; }
  .hero-sub { font-size: 15px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .btn-block-mobile { width: 100%; }
  .section-title { font-size: 26px; }
  .scenario-item { flex-direction: column; }
  .scenario-num { font-size: 26px; }
  .case-card-img { aspect-ratio: 16 / 10; }
  .cta-section { padding: 48px 0; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: article */
:root {
  --ink: #1E1A15;
  --coffee: #A97C50;
  --cream: #F7F3EA;
  --sand: #EFE9DD;
  --coal: #16130F;
  --main: #201B15;
  --sub: #6E6355;
  --faint: #A89F91;
  --border: rgba(0, 0, 0, 0.06);
  --radius: 14px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.12);
  --transition: 0.3s ease-out;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
}
body {
  font-family: var(--font-sans, 'PingFang SC', 'Noto Sans SC', -apple-system, sans-serif);
  background: var(--cream);
  color: var(--main);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  text-decoration: none;
  color: inherit;
  transition: color 0.25s ease;
}
button {
  cursor: pointer;
  font-family: inherit;
}
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ======= MAGAZINE MASTHEAD NAV ======= */
.site-header {
  background: var(--cream);
  border-bottom: 1px solid rgba(0,0,0,0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}
.masthead {
  padding: 22px 0 6px;
}
.masthead-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}
.brand-name {
  font-family: 'Noto Serif SC', 'Songti SC', serif;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--ink);
  white-space: nowrap;
}
.brand-name em {
  font-style: normal;
  color: var(--coffee);
  font-weight: 600;
}
.masthead-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 12px;
  color: var(--sub);
  flex-wrap: wrap;
  justify-content: flex-end;
}
.masthead-meta .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #A97C50;
  display: inline-block;
  margin-right: 6px;
  vertical-align: middle;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.masthead-meta .event-badge {
  border: 1px solid rgba(169, 124, 80, 0.4);
  padding: 2px 10px;
  border-radius: 20px;
  color: var(--coffee);
  font-size: 11px;
  letter-spacing: 0.08em;
  background: rgba(169, 124, 80, 0.06);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 12px 0 10px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}
.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--main);
  position: relative;
  padding: 4px 0;
  letter-spacing: 0.04em;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--coffee);
  transition: width 0.3s ease;
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}
.nav-link.active {
  color: var(--coffee);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  transition: all 0.3s ease;
  cursor: pointer;
  font-family: inherit;
  line-height: 1.4;
}
.btn:focus-visible {
  outline: 2px solid var(--coffee);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
.btn-primary:hover {
  background: var(--coffee);
  border-color: var(--coffee);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(169, 124, 80, 0.3);
}
.btn-outline {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}
.btn-outline:hover {
  background: rgba(32, 27, 21, 0.04);
  border-color: var(--coffee);
  color: var(--coffee);
}
.btn-outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: #fff;
  color: var(--coffee);
}
.btn-sm {
  padding: 8px 18px;
  font-size: 13px;
  border-radius: 6px;
}

/* ======= ARTICLE BREADCRUMB ======= */
.article-breadcrumb {
  padding: 28px 0 4px;
  font-size: 13px;
  color: var(--faint);
  letter-spacing: 0.04em;
}
.article-breadcrumb a {
  color: var(--sub);
  transition: color 0.25s;
}
.article-breadcrumb a:hover {
  color: var(--coffee);
}
.article-breadcrumb .sep {
  margin: 0 10px;
  color: #C9C0B1;
}
.article-breadcrumb .current {
  color: var(--coffee);
}

/* ======= ARTICLE HEADER ======= */
.article-header-section {
  padding: 30px 0 20px;
}
.article-header-inner {
  max-width: 860px;
  margin: 0 auto;
}
.article-category-badge {
  display: inline-block;
  border: 1px solid rgba(169, 124, 80, 0.3);
  color: var(--coffee);
  font-size: 12px;
  padding: 4px 14px;
  border-radius: 20px;
  letter-spacing: 0.1em;
  margin-bottom: 18px;
}
.article-header-title {
  font-family: 'Noto Serif SC', 'Songti SC', serif;
  font-size: 40px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin-bottom: 20px;
}
.article-meta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--sub);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  padding-bottom: 20px;
  margin-bottom: 0;
}
.article-meta-row .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-meta-row .meta-item .label {
  color: var(--faint);
}
.article-feature-image {
  max-width: 860px;
  margin: 24px auto 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.08);
  box-shadow: var(--shadow);
}
.article-feature-image img {
  width: 100%;
  height: 460px;
  object-fit: cover;
}

/* ======= ARTICLE CONTENT ======= */
.article-content-section {
  padding: 40px 0 60px;
}
.article-content-inner {
  max-width: 760px;
  margin: 0 auto;
}
.article-content-body {
  font-family: 'PingFang SC', 'Noto Sans SC', sans-serif;
  font-size: 16.5px;
  line-height: 2;
  color: var(--main);
}
.article-content-body p {
  margin-bottom: 1.4em;
}
.article-content-body h2 {
  font-family: 'Noto Serif SC', 'Songti SC', serif;
  font-size: 26px;
  font-weight: 700;
  margin: 2em 0 0.8em;
  color: var(--ink);
  line-height: 1.5;
}
.article-content-body h3 {
  font-family: 'Noto Serif SC', 'Songti SC', serif;
  font-size: 22px;
  font-weight: 600;
  margin: 1.8em 0 0.7em;
  color: var(--ink);
}
.article-content-body h4 {
  font-size: 18px;
  font-weight: 600;
  margin: 1.5em 0 0.6em;
  color: var(--ink);
}
.article-content-body blockquote {
  border-left: 3px solid var(--coffee);
  background: var(--sand);
  padding: 18px 24px;
  margin: 28px 0;
  border-radius: 0 8px 8px 0;
  color: var(--sub);
  font-style: normal;
  font-size: 15.5px;
  line-height: 1.9;
}
.article-content-body blockquote p:last-child {
  margin-bottom: 0;
}
.article-content-body ul,
.article-content-body ol {
  padding-left: 1.6em;
  margin-bottom: 1.4em;
}
.article-content-body ul li,
.article-content-body ol li {
  margin-bottom: 0.6em;
}
.article-content-body ul li {
  list-style-type: disc;
}
.article-content-body ol li {
  list-style-type: decimal;
}
.article-content-body img {
  border-radius: 10px;
  border: 1px solid rgba(0,0,0,0.08);
  margin: 28px 0;
  box-shadow: var(--shadow);
}
.article-content-body a {
  color: var(--coffee);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content-body a:hover {
  color: var(--ink);
}
.article-content-body .wp-caption,
.article-content-body .caption {
  font-size: 13px;
  color: var(--faint);
  text-align: center;
  margin-top: -16px;
  margin-bottom: 28px;
}
.article-content-body hr {
  border: none;
  border-top: 1px solid rgba(0,0,0,0.08);
  margin: 32px 0;
}

/* ======= ARTICLE CTAs ======= */
.article-bottom-cta {
  background: var(--ink);
  border-radius: var(--radius);
  padding: 36px 32px;
  text-align: center;
  margin: 48px 0 0;
  position: relative;
  overflow: hidden;
}
.article-bottom-cta::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(169,124,80,0.2), transparent 70%);
}
.article-bottom-cta h3 {
  font-family: 'Noto Serif SC', 'Songti SC', serif;
  font-size: 22px;
  color: #fff;
  margin-bottom: 8px;
  font-weight: 600;
}
.article-bottom-cta p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  margin-bottom: 20px;
}

/* ======= ARTICLE NAVIGATION ======= */
.article-nav {
  max-width: 860px;
  margin: 48px auto 0;
  border-top: 1px solid rgba(0,0,0,0.08);
  border-bottom: 1px solid rgba(0,0,0,0.08);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.article-nav a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--sub);
  transition: color 0.25s;
  font-weight: 500;
}
.article-nav a:hover {
  color: var(--coffee);
}
.article-nav .arrow {
  width: 32px;
  height: 32px;
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all 0.25s;
  flex-shrink: 0;
}
.article-nav a:hover .arrow {
  border-color: var(--coffee);
  color: var(--coffee);
  transform: translateX(2px);
}
.article-nav a:hover .arrow.left {
  transform: translateX(-2px);
}

/* ======= RELATED CARDS ======= */
.related-section {
  padding: 60px 0 70px;
}
.section-label {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}
.section-label .round-no {
  font-family: 'Georgia', 'Times New Roman', serif;
  font-size: 14px;
  color: var(--coffee);
  letter-spacing: 0.14em;
  font-weight: 700;
}
.section-label .line {
  flex: 1;
  max-width: 60px;
  height: 1px;
  background: rgba(169, 124, 80, 0.4);
}
.section-title {
  font-family: 'Noto Serif SC', 'Songti SC', serif;
  font-size: 30px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 28px;
  letter-spacing: 0.04em;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 860px;
  margin: 0 auto;
}
.related-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.related-card .rc-img {
  width: 100%;
  height: 140px;
  object-fit: cover;
}
.related-card .rc-body {
  padding: 16px 18px 18px;
}
.related-card .rc-badge {
  display: inline-block;
  font-size: 11px;
  color: var(--coffee);
  border: 1px solid rgba(169, 124, 80, 0.3);
  border-radius: 12px;
  padding: 2px 10px;
  margin-bottom: 10px;
  letter-spacing: 0.06em;
}
.related-card .rc-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.6;
  margin-bottom: 8px;
}
.related-card .rc-meta {
  font-size: 12px;
  color: var(--faint);
}

/* ======= ARTICLE EMPTY STATE ======= */
.article-empty {
  text-align: center;
  padding: 80px 24px;
  max-width: 600px;
  margin: 0 auto;
}
.article-empty .empty-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--sand);
  border: 1px solid rgba(169, 124, 80, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--coffee);
  margin: 0 auto 20px;
}

/* ======= FOOTER ======= */
.site-footer {
  background: var(--coal);
  color: rgba(255, 255, 255, 0.7);
  padding: 68px 0 32px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 44px;
}
.footer-brand {
  font-family: 'Noto Serif SC', 'Songti SC', serif;
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}
.footer-brand em {
  font-style: normal;
  color: var(--coffee);
}
.footer-about {
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.55);
  max-width: 280px;
}
.footer-title {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  border-bottom: 1px solid rgba(169, 124, 80, 0.3);
  padding-bottom: 10px;
  margin-bottom: 18px;
  letter-spacing: 0.08em;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.25s, padding-left 0.25s;
}
.footer-links a:hover {
  color: var(--coffee);
  padding-left: 6px;
}
.footer-contact {
  font-size: 13px;
  line-height: 2.2;
  color: rgba(255, 255, 255, 0.6);
}
.footer-contact strong {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
}
.round-end {
  text-align: center;
  font-family: 'Georgia', 'Times New Roman', serif;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: rgba(255, 255, 255, 0.25);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 48px;
  padding-top: 24px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 20px;
  margin-top: 20px;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.4);
}
.footer-bottom a:hover {
  color: var(--coffee);
}

/* ======= RESPONSIVE ======= */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .masthead-meta {
    gap: 12px;
  }
  .brand-name {
    font-size: 26px;
  }
  .article-header-title {
    font-size: 34px;
  }
}
@media (max-width: 768px) {
  .masthead-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .masthead-meta {
    justify-content: flex-start;
    width: 100%;
  }
  .main-nav {
    gap: 16px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 12px 0;
  }
  .nav-link {
    white-space: nowrap;
  }
  .article-header-title {
    font-size: 28px;
  }
  .article-feature-image img {
    height: 300px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .article-bottom-cta {
    padding: 28px 20px;
  }
  .article-nav {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}
@media (max-width: 520px) {
  .brand-name {
    font-size: 22px;
  }
  .article-header-title {
    font-size: 24px;
  }
  .article-content-body {
    font-size: 15.5px;
  }
  .btn {
    padding: 10px 20px;
    font-size: 13px;
  }
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* ======= FADE UP ANIMATION ======= */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.fade-up {
  animation: fadeUp 0.6s ease-out both;
}

/* ======= JSON-LD for Article ======= */

/* roulang page: category1 */
/* ========== 设计变量 ========== */
:root {
  --ink: #201B15;
  --ink-soft: #6E6355;
  --ink-faint: #A89F91;
  --paper: #F7F3EA;
  --paper-deep: #EFE9DD;
  --paper-card: #FFFFFF;
  --night: #1E1A15;
  --night-soft: #16130F;
  --clay: #A97C50;
  --clay-light: #B4835A;
  --line: rgba(0,0,0,0.08);
  --line-deep: rgba(0,0,0,0.14);
  --line-light: rgba(255,255,255,0.12);
  --radius: 14px;
  --radius-sm: 8px;
  --radius-card: 16px;
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.12);
  --container: 1240px;
  --font-display: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --font-body: "PingFang SC", "Noto Sans SC", -apple-system, "Helvetica Neue", sans-serif;
  --space-section: 96px;
}

/* ========== 基础 Reset ========== */
*, *::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: 1.75;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
input, textarea, select { font-family: inherit; }

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

.section { padding: var(--space-section) 0; position: relative; }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all 0.3s ease-out;
  white-space: nowrap;
  line-height: 1.4;
}
.btn-sm { padding: 8px 18px; font-size: 14px; }
.btn-primary { background: var(--night); color: #F7F3EA; border: 1px solid var(--night); }
.btn-primary:hover { background: var(--clay); border-color: var(--clay); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(169, 124, 80, 0.25); }
.btn-outline { background: transparent; color: var(--ink); border: 1px solid var(--line-deep); }
.btn-outline:hover { background: rgba(169, 124, 80, 0.06); border-color: var(--clay); color: var(--clay); transform: translateY(-2px); }
.btn-light { background: #F7F3EA; color: var(--night); border: 1px solid #F7F3EA; }
.btn-light:hover { background: var(--clay); border-color: var(--clay); color: #fff; }
.btn:focus-visible { outline: 2px solid var(--clay); outline-offset: 2px; }

/* ========== Header / 刊头导航 ========== */
.site-header {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
}
.masthead { border-bottom: 1px solid var(--line); }
.masthead-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 18px;
  padding-bottom: 18px;
}
.brand-logo {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
  white-space: nowrap;
}
.brand-logo em { font-style: normal; color: var(--clay); }
.main-nav { display: flex; align-items: center; gap: 28px; }
.nav-link {
  font-size: 15px;
  color: var(--ink-soft);
  padding: 4px 2px;
  position: relative;
  transition: color 0.25s;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: var(--clay);
  transition: width 0.3s;
}
.nav-link:hover { color: var(--ink); }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: var(--clay); font-weight: 600; }
.nav-link.active::after { width: 100%; }

.info-bar { background: var(--paper-deep); border-bottom: 1px solid var(--line); }
.info-bar-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 7px 24px;
  font-size: 12.5px;
  color: var(--ink-soft);
  letter-spacing: 0.03em;
}
.live-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #C35C3B;
  display: inline-block;
  flex-shrink: 0;
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(195, 92, 59, 0.5); }
  50% { box-shadow: 0 0 0 5px rgba(195, 92, 59, 0); }
}
.info-sep { color: var(--ink-faint); }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.menu-toggle span {
  width: 22px; height: 2px;
  background: var(--ink);
  transition: all 0.3s;
}
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========== 分类 Hero ========== */
.cat-hero {
  position: relative;
  padding: 80px 0;
  background: var(--paper);
  overflow: hidden;
}
.cat-hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image: linear-gradient(120deg, rgba(247,243,234,0.96) 55%, rgba(247,243,234,0.72) 75%, rgba(169,124,80,0.18) 100%);
  z-index: 1;
}
.cat-hero-bgimg {
  position: absolute;
  top: 0; right: 0;
  width: 62%; height: 100%;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.cat-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}
.round-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clay);
  font-weight: 600;
  padding: 6px 14px;
  border: 1px solid rgba(169,124,80,0.35);
  border-radius: 40px;
  background: rgba(169,124,80,0.06);
  margin-bottom: 20px;
}
.cat-hero h1 {
  font-family: var(--font-display);
  font-size: 50px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: var(--ink);
  margin-bottom: 18px;
}
.cat-hero-desc {
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-soft);
  max-width: 520px;
  margin-bottom: 26px;
}
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.hero-tag {
  font-size: 12.5px;
  color: var(--ink-soft);
  padding: 6px 14px;
  border: 1px solid var(--line-deep);
  border-radius: 40px;
  background: rgba(255,255,255,0.55);
  transition: all 0.25s;
}
.hero-tag:hover { border-color: var(--clay); color: var(--clay); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-card-img {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--line);
  aspect-ratio: 4 / 3;
  transform: rotate(1.2deg);
  transition: transform 0.4s ease-out;
}
.hero-card-img:hover { transform: rotate(0deg) translateY(-4px); }
.hero-card-img img { width: 100%; height: 100%; object-fit: cover; }
.hero-card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: inherit;
  pointer-events: none;
}
.card-corner {
  position: absolute;
  top: 14px; left: 14px;
  font-size: 11px;
  letter-spacing: 0.16em;
  font-weight: 600;
  color: #F7F3EA;
  background: rgba(30,26,21,0.72);
  backdrop-filter: blur(6px);
  padding: 5px 12px;
  border-radius: 30px;
  border: 1px solid rgba(255,255,255,0.18);
}

/* ========== 区块通用 Head ========== */
.section-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clay);
  font-weight: 600;
  border-bottom: 1px solid rgba(169,124,80,0.4);
  padding-bottom: 8px;
  margin-bottom: 16px;
}
.section-head { margin-bottom: 48px; }
.section-head h2 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
  line-height: 1.3;
}

/* ========== 参与流程 ========== */
.process-section { background: var(--paper); border-bottom: 1px solid var(--line); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.process-item {
  position: relative;
  padding: 32px 24px;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
}
.process-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.process-num {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 46px;
  font-weight: 700;
  color: var(--clay);
  line-height: 1;
  display: block;
  margin-bottom: 20px;
  transition: transform 0.3s;
}
.process-item:hover .process-num { transform: scale(1.06); }
.process-item h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--ink);
}
.process-item p { font-size: 14px; color: var(--ink-soft); line-height: 1.8; }

/* ========== 场次卡片 ========== */
.sessions-section { background: var(--paper-deep); border-bottom: 1px solid var(--line); }
.sessions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.session-card {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: transform 0.3s ease-out, box-shadow 0.3s, border-color 0.3s;
  display: flex;
  flex-direction: column;
}
.session-card:hover {
  transform: translateY(-6px) rotate(0.3deg);
  box-shadow: var(--shadow-hover);
  border-color: rgba(169,124,80,0.35);
}
.session-card-img {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
}
.session-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease-out;
}
.session-card:hover .session-card-img img { transform: scale(1.04); }
.session-round {
  position: absolute;
  top: 12px; right: 12px;
  font-size: 11px;
  letter-spacing: 0.14em;
  font-weight: 600;
  color: #F7F3EA;
  background: rgba(30,26,21,0.7);
  backdrop-filter: blur(4px);
  padding: 4px 10px;
  border-radius: 30px;
}
.session-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.session-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.session-date { font-size: 12.5px; color: var(--ink-faint); letter-spacing: 0.03em; }
.session-card-body h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--ink);
}
.session-card-body p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.75; margin-bottom: 16px; flex: 1; }
.card-link {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--clay);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.25s;
}
.card-link:hover { gap: 10px; }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 30px;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: 1px solid;
}
.badge-open { background: rgba(169,124,80,0.08); color: var(--clay); border-color: rgba(169,124,80,0.3); }
.badge-warn { background: rgba(195,92,59,0.08); color: #A8452A; border-color: rgba(195,92,59,0.3); }
.badge-ok { background: rgba(92,128,96,0.08); color: #4F6B52; border-color: rgba(92,128,96,0.3); }

/* ========== 图文区 ========== */
.intro-section { background: var(--night); color: #F7F3EA; }
.intro-section .section-tag { color: var(--clay-light); border-color: rgba(180,131,90,0.5); }
.intro-section .section-head h2 { color: #F7F3EA; }
.intro-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.intro-image {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.35);
  position: relative;
}
.intro-image img { width: 100%; height: 100%; object-fit: cover; min-height: 340px; }
.intro-image::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: inherit;
}
.intro-content p {
  color: rgba(247,243,234,0.85);
  font-size: 15.5px;
  line-height: 1.9;
  margin-bottom: 20px;
}
.intro-list { list-style: none; margin-bottom: 24px; }
.intro-list li {
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14.5px;
  color: rgba(247,243,234,0.9);
}
.intro-list li::before {
  content: "◆";
  color: var(--clay-light);
  font-size: 10px;
  flex-shrink: 0;
}
.intro-content .btn-outline {
  border-color: rgba(255,255,255,0.25);
  color: #F7F3EA;
}
.intro-content .btn-outline:hover { background: rgba(255,255,255,0.05); border-color: var(--clay-light); color: var(--clay-light); }

/* ========== 图集 ========== */
.gallery-section { background: var(--paper); border-bottom: 1px solid var(--line); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.gallery-item {
  border-radius: var(--radius-card);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  transition: transform 0.3s ease-out, box-shadow 0.3s;
}
.gallery-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.gallery-item:hover img { transform: scale(1.04); }
.gallery-item-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 30px 16px 14px;
  background: linear-gradient(to top, rgba(30,26,21,0.85), transparent);
  color: #F7F3EA;
  font-size: 13.5px;
  letter-spacing: 0.03em;
}

/* ========== FAQ ========== */
.faq-section { background: var(--paper-deep); border-bottom: 1px solid var(--line); }
.faq-list { max-width: 820px; }
.faq-item {
  border-bottom: 1px solid var(--line-deep);
}
.faq-item:first-child { border-top: 1px solid var(--line-deep); }
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 22px 8px;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  text-align: left;
  transition: color 0.25s;
}
.faq-question:hover { color: var(--clay); }
.faq-item.open .faq-question { color: var(--clay); }
.faq-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1px solid var(--line-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 300;
  color: var(--ink-soft);
  flex-shrink: 0;
  transition: transform 0.35s, border-color 0.3s, color 0.3s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); border-color: var(--clay); color: var(--clay); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
  padding: 0 8px;
}
.faq-item.open .faq-answer { max-height: 260px; }
.faq-answer p {
  padding: 0 8px 24px;
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.9;
}

/* ========== CTA / 表单 ========== */
.cta-section {
  background:
    url('/assets/images/backpic/back-3.jpg') center/cover fixed,
    var(--night);
  position: relative;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(22,19,15,0.86);
}
.cta-panel {
  position: relative;
  z-index: 2;
  max-width: 860px;
  margin: 0 auto;
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 20px;
  padding: 56px 48px;
  text-align: center;
}
.cta-panel h2 {
  font-family: var(--font-display);
  font-size: 30px;
  color: #F7F3EA;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}
.cta-panel > p {
  color: rgba(247,243,234,0.75);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.reserve-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 24px;
  text-align: left;
}
.form-group { display: flex; flex-direction: column; }
.form-group.full { grid-column: 1 / -1; }
.form-group label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: rgba(247,243,234,0.7);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.25);
  padding: 10px 2px;
  color: #F7F3EA;
  font-size: 15px;
  transition: border-color 0.3s;
  outline: none;
  border-radius: 0;
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-bottom-color: var(--clay-light); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(247,243,234,0.35); }
.form-group select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, rgba(247,243,234,0.5) 50%), linear-gradient(135deg, rgba(247,243,234,0.5) 50%, transparent 50%); background-position: calc(100% - 16px) 55%, calc(100% - 11px) 55%; background-size: 5px 5px; background-repeat: no-repeat; }
.form-group select option { color: var(--ink); background: var(--paper); }
.form-submit { grid-column: 1 / -1; display: flex; justify-content: center; margin-top: 10px; }
.form-note {
  grid-column: 1 / -1;
  font-size: 12px;
  color: rgba(247,243,234,0.45);
  text-align: center;
  letter-spacing: 0.03em;
}

/* ========== 页脚 ========== */
.site-footer { background: var(--night-soft); color: rgba(247,243,234,0.8); padding-top: 72px; padding-bottom: 36px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.9fr 1.1fr;
  gap: 44px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #F7F3EA;
  margin-bottom: 14px;
}
.footer-brand em { font-style: normal; color: var(--clay-light); }
.footer-about { font-size: 14px; line-height: 1.85; color: rgba(247,243,234,0.6); max-width: 320px; }
.footer-title {
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #F7F3EA;
  font-weight: 600;
  border-bottom: 1px solid rgba(247,243,234,0.14);
  padding-bottom: 10px;
  margin-bottom: 18px;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 14px;
  color: rgba(247,243,234,0.65);
  transition: color 0.25s, padding-left 0.25s;
}
.footer-links a:hover { color: var(--clay-light); padding-left: 4px; }
.footer-contact div {
  font-size: 14px;
  color: rgba(247,243,234,0.65);
  margin-bottom: 10px;
  line-height: 1.6;
}
.footer-contact strong { color: rgba(247,243,234,0.9); font-weight: 500; }
.round-end {
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(247,243,234,0.25);
  padding-top: 24px;
  font-weight: 500;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-top: 22px;
  font-size: 13px;
  color: rgba(247,243,234,0.4);
  flex-wrap: wrap;
}
.footer-bottom a { color: var(--clay-light); transition: opacity 0.25s; }
.footer-bottom a:hover { opacity: 0.8; }

/* ========== 动画 ========== */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-up.visible { opacity: 1; transform: none; }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .cat-hero-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .sessions-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .intro-layout { grid-template-columns: 1fr; gap: 36px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  :root { --space-section: 64px; }
  .cat-hero { padding: 52px 0; }
  .cat-hero-inner { grid-template-columns: 1fr; }
  .cat-hero h1 { font-size: 38px; }
  .hero-card-img { max-width: 90%; margin: 0 auto; }
  .masthead-inner { flex-wrap: wrap; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--paper);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 40px rgba(0,0,0,0.06);
    padding: 12px 24px;
  }
  .main-nav.open { display: flex; }
  .main-nav .nav-link {
    padding: 14px 4px;
    border-bottom: 1px solid var(--line);
    font-size: 16px;
  }
  .main-nav .btn { margin-top: 12px; justify-content: center; }
  .menu-toggle { display: flex; }
  .info-bar-inner { flex-wrap: wrap; gap: 6px 12px; padding: 10px 24px; }
  .info-sep { display: none; }
  .process-grid { grid-template-columns: 1fr; }
  .sessions-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-panel { padding: 36px 24px; }
  .reserve-form { grid-template-columns: 1fr; }
  .form-group.full { grid-column: 1; }
  .form-submit, .form-note { grid-column: 1; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .cat-hero h1 { font-size: 32px; }
  .section-head h2 { font-size: 26px; }
  .brand-logo { font-size: 24px; }
  .hero-actions .btn { flex: 1; justify-content: center; }
  .cta-panel { padding: 28px 18px; }
  .section-head { margin-bottom: 32px; }
}