/* roulang page: index */
/* ============ 设计变量 ============ */
:root {
  --ink: #1C1A17;
  --gold: #B08D57;
  --gold-dark: #9A7A4A;
  --gold-light: #F2E8D5;
  --bg-warm: #FAF7F2;
  --bg-alt: #F2ECE3;
  --red: #A63D2F;
  --text-main: #2A2622;
  --text-secondary: #6B645C;
  --text-light: #9B948A;
  --border: #E5DDD2;
  --success: #3E7A4F;
  --warning: #C47A1B;
  --error: #B44335;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 8px rgba(28,26,23,0.06);
  --shadow-hover: 0 8px 24px rgba(28,26,23,0.10);
  --font: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  --transition: all 0.28s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: var(--font);
  border: none;
  background: none;
  cursor: pointer;
}

input {
  font-family: var(--font);
}

a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

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

/* ============ 悬浮胶囊导航 ============ */
.floating-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 24px);
  max-width: 1100px;
  height: 60px;
  background: rgba(250,247,242,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 999px;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px 0 32px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(229,221,210,0.6);
}

.nav-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.nav-logo:hover {
  color: var(--gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--text-main);
  position: relative;
  padding: 4px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width 0.3s ease;
}

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

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

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

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

.nav-cta {
  display: inline-block;
  background: var(--gold);
  color: var(--bg-warm);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 999px;
  letter-spacing: 0.02em;
  transition: var(--transition);
}

.nav-cta:hover {
  background: var(--gold-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(176,141,87,0.3);
  color: #fff;
}

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

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  font-size: 18px;
  border: 1px solid var(--border);
  background: rgba(250,247,242,0.9);
}

.nav-toggle:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* ============ 首屏 Hero ============ */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(120deg, rgba(250,247,242,0.94) 0%, rgba(250,247,242,0.82) 40%, rgba(240,234,225,0.68) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding: 96px 24px 60px;
  overflow: hidden;
}

.hero-content {
  max-width: 860px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--gold);
  font-weight: 600;
  padding: 6px 18px;
  border: 1px solid rgba(176,141,87,0.4);
  border-radius: 999px;
  margin-bottom: 32px;
  background: rgba(250,247,242,0.7);
}

.hero-title {
  font-size: clamp(40px, 5.5vw, 72px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: 24px;
}

.hero-title .divider {
  display: inline-block;
  width: 4px;
  height: 0.85em;
  background: var(--gold);
  border-radius: 2px;
  margin-right: 12px;
  vertical-align: -2px;
}

.hero-sub {
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 40px;
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-block;
  background: var(--gold);
  color: var(--bg-warm);
  font-size: 16px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 8px;
  letter-spacing: 0.03em;
  transition: var(--transition);
  border: 2px solid var(--gold);
}

.btn-primary:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(176,141,87,0.35);
}

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

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--text-main);
  font-size: 16px;
  font-weight: 500;
  padding: 14px 32px;
  border-radius: 8px;
  border: 1px solid #C9BFAE;
  letter-spacing: 0.03em;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: rgba(28,26,23,0.06);
  border-color: var(--gold);
  color: var(--gold);
}

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

/* 滚动提示 */
.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(28,26,23,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 16px;
  animation: scrollDown 2s ease infinite;
  background: rgba(250,247,242,0.6);
}

@keyframes scrollDown {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.7; }
  50% { transform: translateX(-50%) translateY(8px); opacity: 1; }
}

/* ============ 板块通用 ============ */
.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-head {
  margin-bottom: 56px;
}

.section-index {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  background: var(--gold-light);
  border-radius: 4px;
  padding: 4px 12px;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.section-label {
  display: block;
  font-size: 14px;
  color: var(--gold);
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.section-head h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-head p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 720px;
  line-height: 1.8;
}

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

.section-head.center p {
  margin-left: auto;
  margin-right: auto;
}

/* ============ 品牌主张区 01 ============ */
.about-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 64px;
  align-items: center;
}

.about-text p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-main);
  margin-bottom: 24px;
}

.about-text .first-paragraph {
  font-size: 18px;
  color: var(--ink);
  font-weight: 500;
}

.about-text .btn-outline {
  display: inline-block;
  padding: 12px 28px;
  border: 1px solid var(--gold);
  color: var(--gold);
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: var(--transition);
}

.about-text .btn-outline:hover {
  background: var(--gold);
  color: var(--bg-warm);
}

.about-image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.about-image:hover img {
  transform: scale(1.03);
}

.about-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(transparent, rgba(28,26,23,0.25));
}

.about-image-caption {
  position: absolute;
  bottom: 20px;
  left: 24px;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  z-index: 2;
  background: rgba(28,26,23,0.5);
  padding: 6px 16px;
  border-radius: 6px;
}

/* ============ 理念/故事区 02 ============ */
.philosophy-wrap {
  position: relative;
  padding: 40px 0;
}

.philosophy-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-warm);
  box-shadow: var(--shadow);
  transition: var(--transition);
  max-width: 65%;
}

.philosophy-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(176,141,87,0.4);
}

.philosophy-card .card-image {
  height: 260px;
  width: 100%;
  object-fit: cover;
}

.philosophy-card .card-body {
  padding: 32px;
}

.philosophy-card h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.philosophy-card p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* 错落布局 */
.philosophy-left {
  margin-right: auto;
}

.philosophy-right {
  margin-left: auto;
  margin-top: -32px;
  max-width: 60%;
}

/* ============ 精选内容卡 03 ============ */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.featured-card {
  background: var(--bg-warm);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.featured-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(176,141,87,0.35);
}

.featured-card .featured-image {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
}

.featured-card .featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.3s ease, transform 0.6s ease;
}

.featured-card:hover .featured-image img {
  transform: scale(1.04);
  opacity: 0.92;
}

.featured-card .featured-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.featured-badge {
  align-self: flex-start;
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
  background: var(--gold-light);
  padding: 4px 12px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.featured-card h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 12px;
}

.featured-card .featured-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  flex: 1;
  margin-bottom: 16px;
}

.featured-card .featured-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-light);
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.featured-card .featured-date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.featured-card .read-more {
  color: var(--gold);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.featured-card .read-more:hover {
  color: var(--gold-dark);
  gap: 8px;
}

/* ============ 信任背书 ============ */
.trust-section {
  background: var(--bg-alt);
}

.brand-wall {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-bottom: 64px;
}

.brand-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 36px;
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: 0.05em;
  transition: var(--transition);
  min-width: 140px;
}

.brand-item:hover {
  border-color: var(--gold);
  color: var(--gold);
  box-shadow: var(--shadow);
}

.stats-banner {
  background: var(--ink);
  border-radius: 16px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding: 56px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.stats-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.stat-item {
  position: relative;
}

.stat-num {
  display: block;
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  color: var(--gold);
  line-height: 1.2;
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.stat-label {
  display: block;
  font-size: 14px;
  color: rgba(250,247,242,0.75);
  letter-spacing: 0.04em;
}

/* ============ 最新资讯列表 ============ */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border);
}

.news-row {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 28px 16px;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
  border-left: 2px solid transparent;
}

.news-row:hover {
  background: rgba(250,247,242,0.9);
  border-left-color: var(--gold);
  padding-left: 24px;
}

.news-date {
  flex-shrink: 0;
  width: 80px;
  text-align: center;
  border-left: 2px solid var(--gold);
  padding-left: 12px;
}

.news-day-num {
  display: block;
  font-size: 28px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
}

.news-day-ym {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.news-content {
  flex: 1;
  min-width: 0;
}

.news-title {
  display: block;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.5;
  margin-bottom: 6px;
  transition: var(--transition);
}

.news-row:hover .news-title {
  color: var(--gold);
}

.news-excerpt {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 680px;
}

.news-badge {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
  background: var(--gold-light);
  padding: 5px 14px;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.news-arrow {
  flex-shrink: 0;
  color: var(--text-light);
  font-size: 18px;
  transition: var(--transition);
}

.news-row:hover .news-arrow {
  color: var(--gold);
  transform: translateX(4px);
}

/* 空态 */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  background: var(--gold-light);
  border-radius: var(--radius);
  text-align: center;
  color: var(--text-secondary);
  font-size: 15px;
}

.empty-state .empty-icon {
  font-size: 40px;
  color: var(--gold);
  margin-bottom: 16px;
  display: block;
}

/* ============ FAQ 手风琴 ============ */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-warm);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(176,141,87,0.4);
}

.faq-item.active {
  border-color: var(--gold);
  box-shadow: var(--shadow);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  transition: var(--transition);
  gap: 16px;
}

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

.faq-item.active .faq-question {
  color: var(--gold);
}

.faq-icon {
  position: relative;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--text-secondary);
  transition: var(--transition);
}

.faq-icon::before {
  width: 12px;
  height: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 12px;
}

.faq-item.active .faq-icon {
  border-color: var(--gold);
  background: var(--gold);
}

.faq-item.active .faq-icon::before,
.faq-item.active .faq-icon::after {
  background: #fff;
}

.faq-item.active .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 24px;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

.faq-answer p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
  background: var(--gold-light);
  border-radius: 8px;
  padding: 16px 20px;
}

/* ============ CTA 订阅区 ============ */
.cta-box {
  background: linear-gradient(135deg, var(--ink), #3A352F);
  border-radius: 16px;
  padding: 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.cta-box::after {
  content: '';
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(176,141,87,0.15);
}

.cta-left h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  color: var(--bg-warm);
  line-height: 1.4;
  margin-bottom: 16px;
  letter-spacing: 0.01em;
}

.cta-left p {
  font-size: 15px;
  color: rgba(250,247,242,0.7);
  line-height: 1.8;
}

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

.cta-form form {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.cta-form input[type="email"] {
  flex: 1;
  min-width: 220px;
  padding: 14px 20px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08);
  color: var(--bg-warm);
  font-size: 15px;
  transition: var(--transition);
}

.cta-form input[type="email"]::placeholder {
  color: rgba(250,247,242,0.4);
}

.cta-form input[type="email"]:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(176,141,87,0.2);
  outline: none;
}

.cta-form .btn-submit {
  padding: 14px 32px;
  background: var(--gold);
  color: var(--bg-warm);
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.cta-form .btn-submit:hover {
  background: var(--gold-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(176,141,87,0.3);
}

.cta-form .btn-submit:disabled {
  opacity: 0.5;
  pointer-events: none;
}

.cta-form .form-error {
  font-size: 12px;
  color: #E8A299;
  margin-top: 8px;
  display: none;
}

.cta-form .form-success {
  font-size: 14px;
  color: var(--success);
  margin-top: 8px;
  display: none;
}

.cta-form.show-error .form-error {
  display: block;
}

.cta-form.show-success .form-success {
  display: block;
}

/* ============ 页脚 ============ */
.site-footer {
  background: var(--ink);
  color: rgba(250,247,242,0.8);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1.4fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer-brand .footer-logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--bg-warm);
  display: block;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(250,247,242,0.6);
  max-width: 260px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--bg-warm);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

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

.footer-col a {
  font-size: 14px;
  color: rgba(250,247,242,0.6);
  transition: var(--transition);
}

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

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(250,247,242,0.6);
  line-height: 1.7;
}

.footer-contact li i {
  color: var(--gold);
  margin-top: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(250,247,242,0.4);
}

.footer-bottom .sep {
  color: rgba(250,247,242,0.25);
  margin: 0 12px;
}

/* ============ 响应式断点 ============ */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-image img {
    height: 320px;
  }
  .philosophy-card,
  .philosophy-right {
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
  }
  .philosophy-right {
    margin-top: 0;
  }
  .featured-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .cta-box {
    grid-template-columns: 1fr;
    padding: 48px 36px;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .floating-nav {
    top: 12px;
    padding: 0 16px 0 20px;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--bg-warm);
    border-radius: 20px;
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    box-shadow: var(--shadow-hover);
    border: 1px solid var(--border);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links .nav-link {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links .nav-link:last-of-type {
    border-bottom: none;
  }
  .nav-links .nav-cta {
    margin-top: 12px;
    text-align: center;
  }
  .nav-toggle {
    display: flex;
  }
  .section {
    padding: 72px 0;
  }
  .featured-grid {
    grid-template-columns: 1fr;
  }
  .stats-banner {
    grid-template-columns: 1fr;
    padding: 48px 24px;
    gap: 40px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .cta-box {
    padding: 40px 24px;
  }
  .cta-form form {
    flex-direction: column;
  }
  .hero-sub {
    font-size: 16px;
  }
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
    padding: 0 24px;
  }
  .philosophy-wrap {
    padding: 0;
  }
  .news-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 24px 16px;
  }
  .news-date {
    width: auto;
    text-align: left;
    border-left: none;
    padding-left: 0;
    display: flex;
    align-items: baseline;
    gap: 8px;
    border-bottom: 2px solid var(--gold);
    padding-bottom: 6px;
  }
  .news-day-num {
    font-size: 22px;
  }
  .news-badge {
    position: absolute;
    right: 16px;
    top: 24px;
  }
  .news-row {
    position: relative;
  }
  .news-excerpt {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 16px;
  }
  .floating-nav {
    border-radius: 20px;
    height: 56px;
  }
  .hero {
    padding: 80px 16px 48px;
  }
  .hero-title {
    font-size: 32px;
  }
  .hero-eyebrow {
    font-size: 13px;
    padding: 5px 14px;
  }
  .hero-sub {
    font-size: 15px;
  }
  .about-image img {
    height: 240px;
  }
  .featured-card .featured-image {
    height: 180px;
  }
  .brand-item {
    padding: 14px 24px;
    font-size: 14px;
    min-width: 110px;
  }
  .stats-banner {
    padding: 40px 20px;
  }
  .cta-box {
    border-radius: 12px;
  }
  .footer-grid {
    gap: 32px;
  }
}

/* roulang page: category1 */
:root {
  --color-primary: #1C1A17;
  --color-accent: #B08D57;
  --color-accent-dark: #9A7A4A;
  --color-accent-light: #F2E8D5;
  --color-bg: #FAF7F2;
  --color-bg-alt: #F2ECE3;
  --color-bg-gold: #FBF6EC;
  --color-text: #2A2622;
  --color-text-secondary: #6B645C;
  --color-text-light: #9B948A;
  --color-border: #E5DDD2;
  --color-red: #A63D2F;
  --color-success: #3E7A4F;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-pill: 999px;
  --shadow-default: 0 2px 8px rgba(28,26,23,0.06);
  --shadow-hover: 0 8px 24px rgba(28,26,23,0.10);
  --space-section: 100px;
  --container-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

button,
input {
  font-family: inherit;
  font-size: inherit;
}

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

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

.section + .section {
  border-top: 1px solid var(--color-border);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-btn);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.25s ease, border-color 0.25s ease, transform 0.15s ease, box-shadow 0.25s ease;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #FAF7F2;
}

.btn-primary:hover {
  background-color: var(--color-accent-dark);
  box-shadow: var(--shadow-hover);
}

.btn-primary:active {
  transform: translateY(2px);
}

.btn-outline {
  background: transparent;
  border-color: #C9BFAE;
  color: var(--color-text);
}

.btn-outline:hover {
  background-color: rgba(28, 26, 23, 0.06);
  border-color: var(--color-accent);
}

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

/* ===== 导航 ===== */
.floating-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1100px;
  width: calc(100% - 32px);
  height: 60px;
  padding: 0 24px;
  background: rgba(250, 247, 242, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-pill);
  border: 1px solid rgba(229, 221, 210, 0.8);
  box-shadow: var(--shadow-default);
  transition: box-shadow 0.3s ease, background-color 0.3s ease;
}

.floating-nav.scrolled {
  background: rgba(250, 247, 242, 0.94);
  box-shadow: var(--shadow-hover);
}

.nav-logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-primary);
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  position: relative;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--color-text);
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}

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

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

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

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

.nav-cta {
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  background-color: var(--color-accent);
  color: #FAF7F2;
  font-size: 14px;
  font-weight: 500;
  transition: background-color 0.25s ease, box-shadow 0.25s ease;
}

.nav-cta:hover {
  background-color: var(--color-accent-dark);
  box-shadow: var(--shadow-hover);
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
}

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

/* ===== Hero ===== */
.page-hero {
  position: relative;
  min-height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 120px 24px 80px;
  background-color: var(--color-bg);
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(250, 247, 242, 0.94) 30%, rgba(250, 247, 242, 0.72) 100%);
  z-index: 1;
}

.page-hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  text-transform: uppercase;
  background-color: var(--color-accent-light);
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
}

.page-hero h1 {
  font-size: clamp(40px, 5.5vw, 72px);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 680px;
  margin: 0 auto 32px;
}

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

.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--color-text-light);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.hero-scroll-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1.5px solid #C9BFAE;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: scrollPulse 2s ease-in-out infinite;
}

.hero-scroll-circle svg {
  width: 16px;
  height: 16px;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: translateY(0); }
  50% { opacity: 0.5; transform: translateY(6px); }
}

/* ===== 区块标题 ===== */
.section-header {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 52px;
}

.section-number {
  display: block;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  padding-top: 6px;
  flex-shrink: 0;
  min-width: 48px;
}

.section-header h2 {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--color-primary);
  margin-bottom: 8px;
  line-height: 1.3;
}

.section-header p {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ===== 业务概览 ===== */
.overview-grid {
  display: grid;
  grid-template-columns: 6fr 5fr;
  gap: 64px;
  align-items: center;
}

.overview-text p {
  font-size: 17px;
  line-height: 1.9;
  color: var(--color-text);
  margin-bottom: 24px;
}

.overview-text p:last-child {
  margin-bottom: 0;
}

.overview-image {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-default);
}

.overview-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.overview-image:hover img {
  transform: scale(1.02);
}

/* ===== 业务卡片 ===== */
.business-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.business-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-default);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.business-card-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.business-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease, opacity 0.3s ease;
}

.business-card:hover .business-card-image img {
  transform: scale(1.03);
  opacity: 0.95;
}

.business-card-content {
  padding: 24px;
}

.badge {
  display: inline-block;
  background-color: var(--color-accent-light);
  color: var(--color-text);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 14px;
}

.business-card h3 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--color-primary);
  margin-bottom: 12px;
  line-height: 1.4;
}

.business-card p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ===== 大图 CTA 卡 ===== */
.business-wide-card {
  display: grid;
  grid-template-columns: 5fr 6fr;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-default);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

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

.wide-card-image {
  min-height: 280px;
  overflow: hidden;
}

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

.business-wide-card:hover .wide-card-image img {
  transform: scale(1.02);
}

.wide-card-content {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.wide-card-content h3 {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--color-primary);
  margin-bottom: 16px;
  line-height: 1.4;
}

.wide-card-content p {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

/* ===== 数据横幅 ===== */
.data-banner {
  background-color: var(--color-primary);
  padding: 72px 0;
  color: var(--color-bg);
}

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

.data-number {
  display: block;
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.data-label {
  display: block;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: rgba(250, 247, 242, 0.75);
}

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

.process-step {
  position: relative;
  padding: 32px 24px;
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.process-step:hover {
  background-color: var(--color-bg);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.step-index {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 20px;
}

.process-step h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
}

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

/* ===== FAQ ===== */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background-color: var(--color-bg);
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.faq-item.open {
  border-color: var(--color-accent);
  background-color: var(--color-bg-gold);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  transition: color 0.25s ease;
}

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

.faq-item.open .faq-question {
  color: var(--color-accent);
}

.faq-icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: currentColor;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.faq-icon::before {
  width: 14px;
  height: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 14px;
}

.faq-item.open .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.faq-answer {
  max-height: 0;
  padding: 0 24px;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

.faq-answer p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

/* ===== CTA ===== */
.cta-box {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 2px;
  background-color: var(--color-accent);
}

.cta-box h2 {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.cta-box p {
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

.cta-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}

.cta-form input {
  flex: 1;
  padding: 14px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  background-color: var(--color-bg);
  font-size: 15px;
  color: var(--color-text);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.cta-form input::placeholder {
  color: var(--color-text-light);
}

.cta-form input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(176, 141, 87, 0.25);
}

.cta-form input:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ===== 页脚 ===== */
.site-footer {
  background-color: var(--color-primary);
  color: var(--color-bg);
  padding: 72px 0 0;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.3fr 1.2fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer-logo {
  display: block;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: rgba(250, 247, 242, 0.72);
  line-height: 1.8;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: rgba(250, 247, 242, 0.9);
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
}

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

.footer-col a {
  font-size: 14px;
  color: rgba(250, 247, 242, 0.65);
  line-height: 1.6;
  transition: color 0.25s ease;
}

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

.footer-col li p {
  font-size: 14px;
  color: rgba(250, 247, 242, 0.65);
  line-height: 1.6;
  margin: 0;
}

.footer-contact li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: rgba(250, 247, 242, 0.65);
}

.footer-contact svg {
  color: var(--color-accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px 0;
  border-top: 1px solid rgba(250, 247, 242, 0.12);
  font-size: 13px;
  color: rgba(250, 247, 242, 0.5);
}

.footer-bottom .sep {
  opacity: 0.3;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  :root {
    --space-section: 80px;
  }

  .overview-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .business-wide-card {
    grid-template-columns: 1fr;
  }

  .wide-card-image {
    min-height: 220px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

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

@media (max-width: 768px) {
  .floating-nav {
    top: 8px;
    left: 12px;
    right: 12px;
    width: auto;
    transform: none;
    border-radius: 20px;
    padding: 0 16px;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    box-shadow: var(--shadow-hover);
    padding: 12px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  }

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

  .nav-links .nav-link,
  .nav-links .nav-cta {
    padding: 12px 16px;
    text-align: center;
    border-radius: 10px;
  }

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

  .nav-cta {
    margin-top: 8px;
  }

  .nav-toggle {
    display: block;
  }

  .section-header {
    flex-direction: column;
    gap: 10px;
    margin-bottom: 40px;
  }

  .section-number {
    padding-top: 0;
  }

  .section-header h2 {
    font-size: 28px;
  }

  .business-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .wide-card-content {
    padding: 28px;
  }

  .data-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px 24px;
  }

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

  .cta-box {
    padding: 48px 24px;
  }

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

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

  .page-hero {
    padding: 100px 20px 72px;
  }
}

@media (max-width: 576px) {
  :root {
    --space-section: 64px;
  }

  .container {
    padding: 0 18px;
  }

  .page-hero h1 {
    font-size: 34px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

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

  .data-number {
    font-size: 36px;
  }

  .overview-text p {
    font-size: 15px;
  }

  .wide-card-content {
    padding: 24px;
  }

  .wide-card-content h3 {
    font-size: 22px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 6px;
    text-align: center;
    padding: 20px 16px;
  }

  .footer-bottom .sep {
    display: none;
  }
}

/* roulang page: article */
:root {
  --ink: #1C1A17;
  --gold: #B08D57;
  --gold-dark: #9A7A4A;
  --gold-light: #F2E8D5;
  --bg: #FAF7F2;
  --bg-alt: #F2ECE3;
  --cinnabar: #A63D2F;
  --text: #2A2622;
  --text-sub: #6B645C;
  --text-light: #9B948A;
  --border: #E5DDD2;
  --border-light: #EFE9DF;
  --success: #3E7A4F;
  --warning: #C47A1B;
  --error: #B44335;
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-pill: 999px;
  --shadow: 0 2px 8px rgba(28,26,23,0.06);
  --shadow-hover: 0 8px 24px rgba(28,26,23,0.10);
  --container: 1200px;
  --spacer-lg: 110px;
  --spacer-md: 72px;
  --spacer-sm: 40px;
  --font: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

ul, ol {
  list-style: none;
}

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

.container-narrow {
  max-width: 820px;
}

/* ===== 按钮 ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--gold);
  color: #FAF7F2;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 14px 32px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--gold);
  transition: all 0.25s ease;
  line-height: 1.4;
}
.btn-primary:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(176,141,87,0.28);
}
.btn-primary:active {
  transform: translateY(1px);
  box-shadow: none;
}
.btn-primary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--ink);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 13px 30px;
  border-radius: var(--radius-btn);
  border: 1px solid #C9BFAE;
  transition: all 0.25s ease;
  line-height: 1.4;
}
.btn-secondary:hover {
  background: rgba(28,26,23,0.05);
  border-color: var(--gold);
  color: var(--gold-dark);
  transform: translateY(-2px);
}
.btn-secondary:active {
  transform: translateY(1px);
}
.btn-secondary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ===== 徽章 / 标签 ===== */
.badge {
  display: inline-block;
  background: var(--gold-light);
  color: #7A5C33;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 4px 12px;
  border-radius: 4px;
  line-height: 1.5;
}
.tag {
  display: inline-block;
  background: var(--gold-light);
  color: #6B4F2A;
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 999px;
  margin: 4px 6px 4px 0;
  border: 1px solid rgba(176,141,87,0.18);
  transition: all 0.2s ease;
  cursor: default;
}
.tag:hover {
  background: var(--gold);
  color: #fff;
}

/* ===== 悬浮胶囊导航 ===== */
.floating-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 1100px;
  height: 60px;
  background: rgba(250,247,242,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 999px;
  border: 1px solid rgba(229,221,210,0.7);
  box-shadow: 0 4px 20px rgba(28,26,23,0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px 0 26px;
  z-index: 1000;
}

.nav-logo {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
  white-space: nowrap;
  position: relative;
}
.nav-logo::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 22px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 8px 14px;
  border-radius: 999px;
  position: relative;
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
  border-radius: 2px;
}
.nav-link:hover {
  color: var(--gold-dark);
}
.nav-link:hover::after {
  transform: scaleX(1);
}
.nav-link.active {
  color: var(--gold-dark);
  font-weight: 600;
}
.nav-link.active::after {
  transform: scaleX(1);
}
.nav-link:focus-visible,
.nav-logo:focus-visible,
.nav-cta:focus-visible,
.nav-toggle:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  border-radius: 8px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  font-size: 14px;
  font-weight: 600;
  color: #FAF7F2;
  background: var(--gold);
  padding: 9px 22px;
  border-radius: 999px;
  margin-left: 10px;
  letter-spacing: 0.03em;
  transition: background 0.25s ease, transform 0.2s ease;
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--gold-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(176,141,87,0.3);
}
.nav-cta:active {
  transform: translateY(0px);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  background: rgba(176,141,87,0.12);
  transition: background 0.2s ease;
}
.nav-toggle:hover {
  background: rgba(176,141,87,0.22);
}

/* ===== 文章头部 ===== */
.article-head {
  padding: 150px 0 56px;
  background: linear-gradient(180deg, rgba(250,247,242,0.88) 0%, var(--bg) 100%),
              url('/assets/images/backpic/back-2.webp') center 40% / cover no-repeat;
  border-bottom: 1px solid var(--border-light);
  position: relative;
}
.article-head::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--gold) 0%, transparent 60%);
  opacity: 0.4;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-light);
  letter-spacing: 0.03em;
  margin-bottom: 32px;
}
.breadcrumb a {
  color: var(--text-light);
  transition: color 0.2s ease;
}
.breadcrumb a:hover {
  color: var(--gold-dark);
}
.crumb-sep {
  margin: 0 10px;
  color: #D3C9BA;
}
.crumb-current {
  color: var(--text-sub);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 300px;
}

.article-title {
  font-size: clamp(30px, 4.2vw, 48px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--ink);
  max-width: 860px;
  margin-bottom: 28px;
  text-wrap: balance;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 14px;
  color: var(--text-sub);
  font-weight: 400;
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.meta-item svg {
  width: 17px;
  height: 17px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 1.6;
  flex-shrink: 0;
}

/* ===== 正文区 ===== */
.article-body {
  padding: 72px 0 56px;
  background: var(--bg);
}
.article-content {
  max-width: 720px;
  margin: 0 auto;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text);
}
.article-content > * + * {
  margin-top: 24px;
}
.article-content p {
  line-height: 1.85;
  color: var(--text);
}
.article-content h2 {
  font-size: 27px;
  font-weight: 600;
  color: var(--ink);
  margin-top: 52px;
  margin-bottom: 20px;
  letter-spacing: 0.01em;
  padding-left: 16px;
  border-left: 3px solid var(--gold);
  line-height: 1.4;
}
.article-content h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  margin-top: 44px;
  margin-bottom: 16px;
  letter-spacing: 0.01em;
}
.article-content h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-top: 36px;
  margin-bottom: 14px;
}
.article-content a {
  color: var(--gold-dark);
  border-bottom: 1px solid rgba(176,141,87,0.4);
  padding-bottom: 1px;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.article-content a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}
.article-content blockquote {
  margin: 32px 0;
  padding: 24px 28px;
  background: var(--bg-alt);
  border-left: 4px solid var(--gold);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  color: var(--text-sub);
  font-size: 16px;
  line-height: 1.75;
  font-style: normal;
}
.article-content blockquote p:last-child {
  margin-bottom: 0;
}
.article-content ul {
  list-style: none;
  padding: 0;
}
.article-content ul li {
  padding-left: 28px;
  position: relative;
  line-height: 1.8;
  margin-bottom: 12px;
}
.article-content ul li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 12px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.7;
}
.article-content ol {
  list-style: none;
  counter-reset: section;
  padding: 0;
}
.article-content ol li {
  counter-increment: section;
  padding-left: 44px;
  position: relative;
  line-height: 1.8;
  margin-bottom: 12px;
}
.article-content ol li::before {
  content: counter(section, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold-dark);
  background: var(--gold-light);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.article-content img {
  width: 100%;
  border-radius: 8px;
  margin: 32px 0;
}
.article-content hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 48px 0;
}
.article-content code {
  background: var(--bg-alt);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.9em;
  color: var(--cinnabar);
  font-family: "SFMono-Regular", Consolas, monospace;
}
.article-content pre {
  background: var(--ink);
  color: #E8E2D8;
  border-radius: var(--radius-card);
  padding: 20px 24px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.7;
  margin: 32px 0;
}
.article-content pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}
.article-content strong {
  font-weight: 600;
  color: var(--ink);
}

/* ===== 空态 ===== */
.article-empty {
  max-width: 720px;
  margin: 40px auto;
  text-align: center;
  padding: 80px 40px;
  background: var(--gold-light);
  border-radius: var(--radius-card);
  border: 1px dashed rgba(176,141,87,0.4);
}
.article-empty .empty-icon {
  width: 48px;
  height: 48px;
  stroke: var(--gold);
  margin-bottom: 20px;
}
.article-empty p {
  font-size: 18px;
  color: var(--text-sub);
  margin-bottom: 28px;
}

/* ===== 文章尾部 ===== */
.article-tail {
  padding: 32px 0 72px;
  background: var(--bg);
}
.tag-list {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 0 28px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.tag-list .label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-sub);
  margin-right: 8px;
}

.prev-next {
  max-width: 720px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding-top: 28px;
}
.pn-link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--bg);
  transition: all 0.25s ease;
}
.pn-link:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.pn-link.next-link {
  text-align: right;
  align-items: flex-end;
}
.pn-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-light);
  text-transform: uppercase;
}
.pn-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
}
.pn-link:hover .pn-title {
  color: var(--gold-dark);
}

/* ===== 相关推荐 ===== */
.related-section {
  padding: var(--spacer-md) 0 var(--spacer-lg);
  background: var(--bg-alt);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.section-head {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 44px;
}
.section-index {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gold);
  font-family: inherit;
  text-transform: uppercase;
}
.section-head h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink);
  line-height: 1.2;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.related-card {
  background: var(--bg);
  border-radius: var(--radius-card);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-6px);
  border-color: transparent;
}
.related-media {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-alt);
}
.related-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease, opacity 0.4s ease;
}
.related-card:hover .related-media img {
  transform: scale(1.04);
  opacity: 0.92;
}
.related-body {
  padding: 22px 24px 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.related-body .badge {
  align-self: flex-start;
  margin-bottom: 14px;
}
.related-body h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 10px;
  letter-spacing: 0.01em;
}
.related-body h3 a {
  transition: color 0.2s ease;
}
.related-body h3 a:hover {
  color: var(--gold-dark);
}
.related-body p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: var(--text-light);
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
}
.related-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 48px;
  flex-wrap: wrap;
}

/* ===== CTA ===== */
.cta-section {
  padding: var(--spacer-lg) 0;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  opacity: 0.06;
}
.cta-box {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  background: var(--ink);
  border-radius: 20px;
  padding: 60px 50px;
  color: #FAF7F2;
  overflow: hidden;
}
.cta-box::after {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 1px solid rgba(176,141,87,0.4);
}
.cta-box h2 {
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 600;
  letter-spacing: 0.01em;
  margin-bottom: 14px;
  color: #FAF7F2;
}
.cta-box p {
  font-size: 16px;
  color: rgba(250,247,242,0.75);
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}
.cta-form {
  display: flex;
  gap: 12px;
  max-width: 520px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}
.cta-form input[type="email"] {
  flex: 1;
  min-width: 240px;
  padding: 14px 20px;
  border-radius: var(--radius-btn);
  border: 1px solid rgba(250,247,242,0.25);
  background: rgba(250,247,242,0.1);
  color: #FAF7F2;
  font-size: 15px;
  outline: none;
  transition: all 0.25s ease;
}
.cta-form input[type="email"]::placeholder {
  color: rgba(250,247,242,0.5);
}
.cta-form input[type="email"]:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(176,141,87,0.25);
  background: rgba(250,247,242,0.14);
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--ink);
  color: rgba(250,247,242,0.7);
  padding: 76px 0 0;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr 1.6fr;
  gap: 48px;
  padding-bottom: 56px;
}
.footer-brand .footer-logo {
  font-size: 22px;
  font-weight: 700;
  color: #FAF7F2;
  letter-spacing: 0.02em;
  display: block;
  margin-bottom: 16px;
}
.footer-brand p {
  color: rgba(250,247,242,0.6);
  line-height: 1.8;
  font-size: 14px;
  max-width: 280px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #FAF7F2;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}
.footer-col ul li {
  margin-bottom: 12px;
}
.footer-col ul a {
  color: rgba(250,247,242,0.6);
  transition: color 0.2s ease;
  line-height: 1.6;
}
.footer-col ul a:hover {
  color: var(--gold);
}
.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: rgba(250,247,242,0.6);
  line-height: 1.6;
}
.footer-contact li svg {
  stroke: var(--gold);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: rgba(250,247,242,0.4);
  font-size: 13px;
  flex-wrap: wrap;
}
.footer-bottom .sep {
  opacity: 0.5;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .floating-nav {
    top: 12px;
    width: calc(100% - 24px);
    height: 58px;
    padding: 0 12px 0 20px;
    border-radius: 20px;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 12px;
    right: 12px;
    background: var(--bg);
    border-radius: 20px;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    gap: 4px;
    box-shadow: var(--shadow-hover);
    border: 1px solid var(--border-light);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-link {
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 15px;
  }
  .nav-link::after {
    display: none;
  }
  .nav-link:hover {
    background: rgba(176,141,87,0.1);
  }
  .nav-cta {
    margin: 8px 0 0;
    justify-content: center;
    padding: 12px 16px;
    border-radius: 12px;
  }
  .nav-toggle {
    display: flex;
  }
  .article-head {
    padding: 120px 0 44px;
  }
  .article-title {
    font-size: clamp(26px, 5.5vw, 36px);
  }
  .article-meta {
    gap: 16px;
  }
  .prev-next {
    grid-template-columns: 1fr;
  }
  .related-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .cta-box {
    padding: 44px 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 6px;
  }
}

@media (max-width: 576px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .article-content {
    font-size: 16px;
  }
  .article-content h2 {
    font-size: 22px;
  }
  .related-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .related-actions .btn-primary,
  .related-actions .btn-secondary {
    width: 100%;
  }
  .cta-form {
    flex-direction: column;
  }
  .cta-form input[type="email"] {
    width: 100%;
    flex: none;
  }
  .btn-primary, .btn-secondary {
    padding: 12px 24px;
    font-size: 14px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .article-meta {
    font-size: 13px;
  }
}

@media (max-width: 380px) {
  .nav-logo {
    font-size: 17px;
  }
  .floating-nav {
    padding-left: 14px;
  }
  .nav-toggle {
    width: 36px;
    height: 36px;
  }
}

/* roulang page: category2 */
:root {
  --ink: #1C1A17;
  --gold: #B08D57;
  --gold-dark: #9A7A4A;
  --bg: #FAF7F2;
  --bg-alt: #F2ECE3;
  --text: #2A2622;
  --text-secondary: #6B645C;
  --text-light: #9B948A;
  --border: #E5DDD2;
  --gold-light-bg: #F2E8D5;
  --cinnabar: #A63D2F;
  --success: #3E7A4F;
  --warning: #C47A1B;
  --error: #B44335;
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(28, 26, 23, 0.06);
  --shadow-lg: 0 8px 24px rgba(28, 26, 23, 0.10);
  --space-section: 110px;
  --font-stack: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-stack);
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input {
  font-family: inherit;
  border: none;
  outline: none;
  background: none;
}

ul,
ol {
  list-style: none;
}

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

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

.section-alt {
  background: var(--bg-alt);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 20px;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}

.section-head {
  max-width: 720px;
  margin-bottom: 56px;
}

.section-index {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: clamp(32px, 3.2vw, 40px);
  line-height: 1.35;
  letter-spacing: 0.01em;
  margin-bottom: 16px;
  color: var(--ink);
}

.section-head p {
  color: var(--text-secondary);
  font-size: 17px;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--radius-btn);
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: all 0.25s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-gold {
  background: var(--gold);
  color: #FDFAF4;
}

.btn-gold:hover {
  background: var(--gold-dark);
}

.btn-gold:active {
  transform: translateY(2px);
}

.btn-ghost {
  background: transparent;
  border-color: #C9BFAE;
  color: var(--ink);
}

.btn-ghost:hover {
  background: rgba(28, 26, 23, 0.06);
}

.btn-ghost:active {
  transform: translateY(2px);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  background: var(--gold-light-bg);
  color: #4A3A22;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 4px;
  line-height: 1.6;
}

/* ===== 悬浮胶囊导航 ===== */
.floating-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: calc(100% - 32px);
  max-width: 1100px;
  height: 60px;
  padding: 0 24px;
  background: rgba(250, 247, 242, 0.85);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(229, 221, 210, 0.75);
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 24px rgba(28, 26, 23, 0.06);
}

.nav-logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
  white-space: nowrap;
}

.nav-logo span {
  color: var(--gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
  border-radius: 999px;
  transition: color 0.25s ease, background 0.25s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--gold);
  background: rgba(176, 141, 87, 0.08);
}

.nav-link.active {
  color: var(--gold);
  font-weight: 600;
  background: rgba(176, 141, 87, 0.1);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 9px 20px;
  margin-left: 8px;
  font-size: 14px;
  font-weight: 600;
  background: var(--ink);
  color: var(--bg);
  border-radius: 999px;
  transition: background 0.25s ease, transform 0.2s ease;
}

.nav-cta:hover {
  background: var(--gold);
}

.nav-toggle {
  display: none;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--ink);
  cursor: pointer;
}

.nav-toggle:hover {
  background: rgba(28, 26, 23, 0.05);
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(125deg, rgba(250, 247, 242, 0.97) 25%, rgba(250, 247, 242, 0.82) 60%, rgba(250, 247, 242, 0.58) 100%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding: 140px 0 100px;
  max-width: 760px;
}

.hero .eyebrow {
  color: var(--gold);
}

.hero h1 {
  font-size: clamp(40px, 5.5vw, 64px);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  color: var(--ink);
  border-left: 4px solid var(--gold);
  padding-left: 24px;
  margin: 20px 0 24px;
}

.hero-sub {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.9;
  max-width: 560px;
  margin-bottom: 36px;
}

.scroll-hint {
  position: absolute;
  right: 40px;
  bottom: 32px;
  width: 46px;
  height: 46px;
  border: 1px solid #CBc1B0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  transition: border-color 0.25s ease, color 0.25s ease;
  animation: floatDown 2s ease-in-out infinite;
}

.scroll-hint:hover {
  border-color: var(--gold);
  color: var(--gold);
}

@keyframes floatDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ===== 概览区块 ===== */
.overview-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 64px;
  align-items: center;
}

.overview-media {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.overview-media::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-card);
}

.overview-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  transition: transform 0.5s ease, opacity 0.4s ease;
}

.overview-media:hover img {
  transform: scale(1.03);
  opacity: 0.95;
}

.overview-content p {
  font-size: 17px;
  line-height: 1.9;
  color: var(--text);
  margin-bottom: 20px;
}

.overview-content p:last-child {
  margin-bottom: 0;
}

/* ===== 维度错落卡 ===== */
.dimension-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.dimension-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.dimension-card:nth-child(2) {
  margin-top: 44px;
}

.dimension-card:nth-child(3) {
  margin-top: 88px;
}

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

.dimension-card .d-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--gold-light-bg);
  color: var(--gold);
  margin-bottom: 20px;
}

.dimension-card h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.01em;
  margin-bottom: 12px;
}

.dimension-card p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.dimension-card .d-tag {
  display: inline-block;
  margin-top: 20px;
  font-size: 13px;
  color: var(--gold);
  font-weight: 600;
}

/* ===== 精选动态 ===== */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.featured-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

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

.featured-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.featured-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease, opacity 0.4s ease;
}

.featured-card:hover .featured-media img {
  transform: scale(1.04);
  opacity: 0.95;
}

.featured-media .badge {
  position: absolute;
  top: 14px;
  left: 14px;
}

.featured-body {
  padding: 22px 24px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.featured-body h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.55;
  margin-bottom: 12px;
  color: var(--ink);
}

.featured-body p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
  flex: 1;
  margin-bottom: 16px;
}

.featured-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-light);
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin-top: auto;
}

.featured-meta .read-link {
  margin-left: auto;
  color: var(--gold);
  font-weight: 600;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.25s ease;
}

.featured-meta .read-link:hover {
  gap: 8px;
}

/* ===== 数据横幅 ===== */
.stats-band {
  background: var(--ink);
  padding: 72px 0;
}

.stats-head {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 48px;
}

.stats-head h2 {
  color: var(--bg);
  font-size: clamp(28px, 2.8vw, 36px);
  line-height: 1.4;
}

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

.stat-item {
  text-align: center;
  padding: 32px 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-card);
  transition: border-color 0.3s ease;
}

.stat-item:hover {
  border-color: var(--gold);
}

.stat-number {
  font-size: clamp(40px, 4.5vw, 58px);
  font-weight: 700;
  color: var(--bg);
  line-height: 1;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}

.stat-number em {
  font-style: normal;
  color: var(--gold);
}

.stat-label {
  font-size: 15px;
  color: rgba(250, 247, 242, 0.7);
  letter-spacing: 0.04em;
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--bg);
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow 0.25s ease;
}

.faq-item:hover {
  box-shadow: var(--shadow-sm);
}

.faq-item.active {
  box-shadow: var(--shadow-sm);
  border-color: rgba(176, 141, 87, 0.45);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: color 0.25s ease;
}

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

.faq-item.active .faq-question {
  color: var(--gold);
}

.faq-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 400;
  color: var(--text-light);
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--gold-light-bg);
  color: var(--gold);
  border-color: rgba(176, 141, 87, 0.4);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 24px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.85;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.active .faq-answer {
  max-height: 320px;
  padding: 0 24px 22px;
}

/* ===== 订阅 CTA ===== */
.subscribe-band {
  position: relative;
  background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  padding: 90px 0;
}

.subscribe-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(250, 247, 242, 0.96) 30%, rgba(250, 247, 242, 0.8) 70%, rgba(250, 247, 242, 0.6));
}

.subscribe-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 48px;
  align-items: center;
}

.subscribe-copy h2 {
  font-size: clamp(30px, 3vw, 40px);
  color: var(--ink);
  line-height: 1.35;
  margin-bottom: 14px;
}

.subscribe-copy p {
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 420px;
}

.subscribe-form-wrap {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.subscribe-form {
  display: flex;
  gap: 12px;
}

.subscribe-form input[type="email"] {
  flex: 1;
  min-width: 0;
  height: 48px;
  padding: 0 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  font-size: 15px;
  color: var(--text);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.subscribe-form input[type="email"]:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(176, 141, 87, 0.16);
}

.subscribe-form input[type="email"]::placeholder {
  color: var(--text-light);
}

.subscribe-form .btn {
  height: 48px;
  padding: 0 24px;
}

.form-feedback {
  font-size: 13px;
  margin-top: 12px;
  min-height: 20px;
  color: var(--success);
}

.form-feedback.error {
  color: var(--error);
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--ink);
  color: rgba(250, 247, 242, 0.7);
  padding-top: 72px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr 1.4fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--bg);
  margin-bottom: 16px;
}

.footer-logo span {
  color: var(--gold);
}

.footer-brand p {
  font-size: 15px;
  line-height: 1.85;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--bg);
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}

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

.footer-col ul li a {
  font-size: 14px;
  color: rgba(250, 247, 242, 0.7);
  transition: color 0.25s ease;
}

.footer-col ul li a:hover {
  color: var(--gold);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(250, 247, 242, 0.7);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(250, 247, 242, 0.5);
}

.footer-bottom .sep {
  opacity: 0.4;
  font-size: 12px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .overview-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .overview-media {
    max-width: 620px;
  }

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

  .dimension-card:nth-child(2) {
    margin-top: 0;
  }

  .dimension-card:nth-child(3) {
    margin-top: 0;
    grid-column: 1 / -1;
    max-width: 460px;
  }

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

  .featured-card:last-child {
    grid-column: 1 / -1;
    max-width: 460px;
    margin: 0 auto;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 76px;
    left: 12px;
    right: 12px;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 16px;
    box-shadow: var(--shadow-lg);
    display: none;
    gap: 4px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-link {
    justify-content: center;
    padding: 14px 16px;
    font-size: 15px;
  }

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

  .nav-cta {
    justify-content: center;
    margin: 8px 0 0;
    padding: 12px 20px;
  }

  .hero h1 {
    font-size: clamp(36px, 8vw, 48px);
    padding-left: 18px;
    border-left-width: 3px;
  }

  .hero-sub {
    font-size: 16px;
  }

  .btn-group .btn {
    width: 100%;
  }

  .section {
    padding: 80px 0;
  }

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

  .dimension-card:nth-child(3) {
    grid-column: auto;
    max-width: none;
  }

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

  .featured-card:last-child {
    grid-column: auto;
    max-width: none;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .subscribe-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .subscribe-form {
    flex-direction: column;
  }

  .subscribe-form .btn {
    width: 100%;
  }

  .scroll-hint {
    display: none;
  }
}

@media (max-width: 576px) {
  .floating-nav {
    top: 8px;
    left: 12px;
    right: 12px;
    transform: none;
    width: auto;
    border-radius: 20px;
    height: 56px;
    padding: 0 16px;
  }

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

  .nav-links {
    top: 68px;
  }

  .hero-inner {
    padding: 120px 0 80px;
  }

  .hero .eyebrow {
    font-size: 13px;
  }

  .section-head h2 {
    font-size: 30px;
  }

  .overview-content p {
    font-size: 16px;
  }

  .dimension-card {
    padding: 28px 22px;
  }

  .featured-body {
    padding: 20px;
  }

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

  .stat-number {
    font-size: 36px;
  }

  .faq-question {
    padding: 16px 18px;
    font-size: 15px;
  }

  .faq-item.active .faq-answer {
    padding: 0 18px 18px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-bottom: 40px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 6px;
    text-align: center;
  }

  .footer-bottom .sep {
    display: none;
  }
}