/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #0F766E;
  --primary-dark: #0B4F4A;
  --accent: #B89145;
  --page-bg: #FAF7F2;
  --section-bg: #F0EBE2;
  --section-warm: #F5F0E8;
  --title-color: #1F2A28;
  --text-color: #33403D;
  --muted-color: #7A8582;
  --border-color: #E4DED3;
  --success: #3D7A5C;
  --warning: #C44536;
  --disabled: #C8C2B8;
  --white: #FFFFFF;
  --font-serif: "Noto Serif SC", "Songti SC", "STSong", SimSun, serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-img: 4px;
  --shadow-card: 0 2px 12px rgba(15, 118, 110, 0.08);
  --shadow-card-hover: 0 10px 30px rgba(15, 118, 110, 0.14);
  --shadow-header: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.18);
  --container-width: 1200px;
  --content-width: 760px;
  --space-lg: 80px;
  --space-md: 48px;
  --space-sm: 32px;
  --transition: all .25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-color);
  background-color: var(--page-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

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

input, textarea {
  font-family: var(--font-sans);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-btn);
  padding: 12px 16px;
  font-size: 15px;
  background: var(--white);
  width: 100%;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}

input:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(15, 118, 110, 0.15);
}

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

/* ===== 通用容器 ===== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-md);
}

.section-header .overline {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.section-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--title-color);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--muted-color);
  font-size: 16px;
}

.section-header .divider-line {
  width: 48px;
  height: 1px;
  background: var(--accent);
  margin: 16px auto 0;
  position: relative;
}

.section-header .divider-line::after {
  content: "";
  position: absolute;
  left: 50%;
  top: -3px;
  width: 7px;
  height: 7px;
  background: var(--accent);
  transform: translateX(-50%) rotate(45deg);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: #c9a055;
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(184, 145, 69, 0.3);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-outline {
  border-color: rgba(255, 255, 255, 0.85);
  color: #FFFFFF;
  background: transparent;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-outline:active {
  transform: scale(0.98);
}

.btn-teal {
  background: var(--primary);
  color: #FFFFFF;
}

.btn-teal:hover {
  background: var(--primary-dark);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(11, 79, 74, 0.28);
}

.btn-teal:active {
  transform: scale(0.98);
}

.btn-gold-outline {
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
}

.btn-gold-outline:hover {
  background: var(--accent);
  color: var(--primary-dark);
  transform: translateY(-2px);
}

/* ===== 标签 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  background: rgba(15, 118, 110, 0.1);
  color: var(--primary);
}

.badge-solid {
  background: var(--primary);
  color: #FFFFFF;
  border-radius: 4px;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 500;
}

.badge-gold {
  background: rgba(184, 145, 69, 0.12);
  color: var(--accent);
  border-radius: 4px;
}

/* ===== 顶部品牌行 Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-header);
}

.top-bar {
  background: var(--primary-dark);
  transition: padding .3s ease;
}

.site-header.scrolled .top-bar {
  padding-top: 0;
  padding-bottom: 0;
}

.site-header.scrolled .top-bar-inner {
  min-height: 36px;
}

.top-bar-inner {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #FFFFFF;
}

.brand-mark {
  width: 30px;
  height: 30px;
  background: var(--accent);
  color: var(--primary-dark);
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  flex-shrink: 0;
}

.brand-text {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 1px;
  white-space: nowrap;
}

.brand:hover {
  color: #FFFFFF;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-btn {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.9);
  transition: var(--transition);
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--accent);
}

.icon-btn:active {
  transform: scale(0.92);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
}

.hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ===== 导航栏 ===== */
.nav-bar {
  background: var(--page-bg);
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.nav-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
}

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

.nav-link {
  position: relative;
  padding: 14px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--title-color);
  transition: var(--transition);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 9px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .25s ease;
}

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

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

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

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

.trend-tags {
  display: flex;
  align-items: center;
  gap: 10px;
}

.trend-label {
  font-size: 13px;
  color: var(--muted-color);
}

.trend-tag {
  font-size: 13px;
  color: var(--primary);
  background: rgba(15, 118, 110, 0.08);
  padding: 4px 12px;
  border-radius: 999px;
  transition: var(--transition);
}

.trend-tag:hover {
  background: var(--primary);
  color: #FFFFFF;
}

/* ===== 移动端抽屉菜单 ===== */
.mobile-menu {
  display: none;
  background: var(--page-bg);
  border-top: 1px solid var(--border-color);
  padding: 20px 24px 28px;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 999;
  box-shadow: var(--shadow-header);
}

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

.mobile-menu .mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 20px;
}

.mobile-menu .mobile-nav a {
  padding: 12px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--title-color);
  border-bottom: 1px solid var(--border-color);
}

.mobile-menu .mobile-nav a.active {
  color: var(--primary);
  font-weight: 600;
}

.mobile-search {
  position: relative;
}

.mobile-search input {
  padding-right: 44px;
}

/* ===== Hero 首屏 ===== */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 540px;
  background:
    linear-gradient(90deg, rgba(11, 79, 74, 0.92) 0%, rgba(15, 118, 110, 0.68) 48%, rgba(15, 118, 110, 0.3) 100%),
    url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  color: #FFFFFF;
  overflow: hidden;
}

.hero-inner {
  padding: 90px 0 80px;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(184, 145, 69, 0.45);
  color: #EFE0C0;
  font-size: 13px;
  letter-spacing: 2px;
  margin-bottom: 24px;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
  color: #FFFFFF;
  letter-spacing: 1px;
}

.hero-sub {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 36px;
  max-width: 620px;
}

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

.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
  letter-spacing: 2px;
  animation: floatDown 2s ease-in-out infinite;
}

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

.hero-scroll svg {
  width: 20px;
  height: 20px;
  animation: pulseDown 2s ease-in-out infinite;
}

@keyframes pulseDown {
  0%, 100% { opacity: .6; }
  50% { opacity: 1; }
}

/* ===== 合集目录 ===== */
.directory-section {
  background: var(--section-bg);
}

.directory-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-card);
}

.directory-item {
  position: relative;
  padding: 28px 22px;
  text-align: left;
  transition: var(--transition);
  border-right: 1px solid var(--border-color);
}

.directory-item:last-child {
  border-right: none;
}

.directory-item:hover {
  background: var(--white);
  transform: translateY(-4px);
  box-shadow: inset 0 -3px 0 var(--accent);
  z-index: 2;
}

.directory-num {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  display: block;
  margin-bottom: 16px;
  transition: transform .25s ease;
}

.directory-item:hover .directory-num {
  transform: scale(1.1);
}

.directory-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--title-color);
  margin-bottom: 8px;
}

.directory-item p {
  font-size: 13px;
  color: var(--muted-color);
  line-height: 1.6;
}

.directory-item .entry-link {
  position: absolute;
  inset: 0;
  z-index: 1;
  font-size: 0;
}

/* ===== 精选亮点 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 250px;
  gap: 24px;
}

.feature-card {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

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

.feature-card .feature-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  transition: transform .4s ease;
}

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

.feature-card .feature-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.05) 20%, rgba(11, 79, 74, 0.85) 100%);
  z-index: 1;
}

.feature-card .feature-content {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 24px;
  z-index: 2;
  color: #FFFFFF;
}

.feature-card .feature-cat {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 2px;
  color: #E3C98A;
  margin-bottom: 8px;
  border: 1px solid rgba(184, 145, 69, 0.5);
  padding: 2px 10px;
  border-radius: 4px;
  background: rgba(11, 79, 74, 0.5);
}

.feature-card .feature-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 6px;
}

.feature-card .feature-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.65;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity .3s ease, max-height .3s ease;
}

.feature-card:hover .feature-desc {
  opacity: 1;
  max-height: 90px;
}

.feature-card .feature-learn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: #EFE0C0;
  margin-top: 10px;
  opacity: 0;
  transform: translateX(-6px);
  transition: var(--transition);
}

.feature-card:hover .feature-learn {
  opacity: 1;
  transform: translateX(0);
}

.feature-main {
  grid-column: span 2;
  grid-row: span 2;
  min-height: 420px;
}

.feature-main .feature-title {
  font-size: 30px;
  max-width: 360px;
}

.feature-main .feature-desc {
  font-size: 15px;
  max-width: 420px;
}

.feature-wide {
  grid-column: span 2;
}

.feature-wide .feature-title {
  font-size: 20px;
}

.feature-sm {
  grid-column: span 1;
}

.feature-sm .feature-title {
  font-size: 18px;
}

/* ===== 最新资讯 ===== */
.news-section {
  background: var(--page-bg);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.news-card {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 20px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

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

.news-thumb {
  width: 190px;
  height: 120px;
  flex-shrink: 0;
  border-radius: var(--radius-img);
  overflow: hidden;
  background: var(--section-bg);
}

.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}

.news-card:hover .news-thumb img {
  transform: scale(1.05);
}

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

.news-info .badge-solid {
  margin-bottom: 6px;
}

.news-info h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--title-color);
  line-height: 1.5;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-info p {
  font-size: 14px;
  color: var(--muted-color);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 10px;
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.news-time {
  font-size: 13px;
  color: var(--muted-color);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.news-time svg {
  width: 14px;
  height: 14px;
  opacity: .6;
}

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

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

.news-more svg {
  width: 14px;
  height: 14px;
  transition: transform .2s ease;
}

.news-more:hover svg {
  transform: translateX(4px);
}

.news-footer {
  text-align: center;
  margin-top: 36px;
}

/* 空态 */
.empty-state {
  background: var(--section-bg);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-card);
  padding: 64px 24px;
  text-align: center;
  color: var(--muted-color);
}

.empty-state svg {
  width: 44px;
  height: 44px;
  margin: 0 auto 16px;
  opacity: .5;
}

.empty-state p {
  font-size: 16px;
}

/* ===== 数据一览 ===== */
.stats-section {
  background: var(--primary-dark);
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(184, 145, 69, 0.08);
}

.stats-section::after {
  content: "";
  position: absolute;
  bottom: -120px;
  left: -60px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(15, 118, 110, 0.25);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.stat-item {
  padding: 20px 12px;
}

.stat-item .stat-num {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.1;
  margin-bottom: 8px;
}

.stat-item .stat-num span {
  color: var(--accent);
}

.stat-item .stat-line {
  width: 36px;
  height: 2px;
  background: var(--accent);
  margin: 12px auto;
}

.stat-item .stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 1px;
}

.stats-section .section-header h2 {
  color: #FFFFFF;
}

.stats-section .section-header p {
  color: rgba(255, 255, 255, 0.7);
}

.stats-section .section-header .overline {
  color: #E3C98A;
}

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

.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius-card);
  border: 1px solid var(--border-color);
  margin-bottom: 14px;
  transition: var(--transition);
  overflow: hidden;
}

.faq-item.open {
  background: var(--section-warm);
  border-color: rgba(15, 118, 110, 0.2);
  box-shadow: var(--shadow-card);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 22px 26px;
  font-size: 16px;
  font-weight: 600;
  color: var(--title-color);
  cursor: pointer;
  text-align: left;
  width: 100%;
  transition: var(--transition);
  background: transparent;
}

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

.faq-question .faq-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 118, 110, 0.08);
  transition: var(--transition);
}

.faq-question .faq-icon svg {
  width: 14px;
  height: 14px;
  stroke: var(--primary);
  transition: transform .3s ease;
}

.faq-item.open .faq-icon {
  background: var(--accent);
}

.faq-item.open .faq-icon svg {
  transform: rotate(45deg);
  stroke: var(--primary-dark);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 26px;
  color: var(--text-color);
  font-size: 14px;
  line-height: 1.8;
  transition: max-height .3s ease, padding .3s ease;
  border-top: 1px solid transparent;
}

.faq-item.open .faq-answer {
  max-height: 320px;
  padding: 18px 26px 22px;
  border-top-color: var(--border-color);
}

/* ===== 相关推荐 ===== */
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.recommend-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: var(--transition);
}

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

.recommend-thumb {
  height: 170px;
  overflow: hidden;
  background: var(--section-bg);
}

.recommend-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}

.recommend-card:hover .recommend-thumb img {
  transform: scale(1.05);
}

.recommend-body {
  padding: 22px 22px 24px;
}

.recommend-body .badge {
  margin-bottom: 8px;
}

.recommend-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--title-color);
  line-height: 1.5;
  margin-bottom: 8px;
}

.recommend-body p {
  font-size: 14px;
  color: var(--muted-color);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.recommend-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  margin-top: 12px;
}

.recommend-link svg {
  width: 14px;
  height: 14px;
  transition: transform .2s ease;
}

.recommend-link:hover svg {
  transform: translateX(4px);
}

/* ===== 收藏/分享 CTA ===== */
.cta-section {
  background: var(--primary-dark);
  color: #FFFFFF;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-inner {
  max-width: 680px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.cta-section .over-label {
  font-size: 13px;
  letter-spacing: 4px;
  color: #E3C98A;
  display: inline-block;
  margin-bottom: 16px;
  border: 1px solid rgba(184, 145, 69, 0.4);
  padding: 4px 16px;
  border-radius: 4px;
}

.cta-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  color: #FFFFFF;
  line-height: 1.35;
  margin-bottom: 14px;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 16px;
  margin-bottom: 32px;
}

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

.cta-buttons .btn {
  min-width: 128px;
}

.cta-note {
  margin-top: 26px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.7);
}

.footer-top {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--accent);
}

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

.footer-brand .brand {
  margin-bottom: 18px;
}

.footer-brand-text {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
  max-width: 320px;
}

.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  background: var(--accent);
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 6px;
}

.footer-contact-list {
  list-style: none;
}

.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.68);
}

.footer-contact-list svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 3px;
  stroke: var(--accent);
}

.footer-bottom {
  padding: 24px 0 32px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom .domain {
  color: rgba(255, 255, 255, 0.6);
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--primary-dark);
  color: #FFFFFF;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 14px;
  box-shadow: var(--shadow-modal);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 9999;
  border: 1px solid rgba(184, 145, 69, 0.3);
}

.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 991px) {
  .directory-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .directory-item:nth-child(3) {
    border-right: none;
  }
  .directory-item:nth-child(n+4) {
    border-top: 1px solid var(--border-color);
  }
  .feature-grid {
    grid-auto-rows: 220px;
    gap: 18px;
  }
  .feature-main .feature-title {
    font-size: 24px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  .recommend-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  .trend-tags {
    display: none;
  }
}

@media (max-width: 767px) {
  .top-bar {
    padding: 6px 0;
  }
  .top-bar-inner {
    min-height: 44px;
  }
  .brand-text {
    font-size: 17px;
  }
  .nav-bar {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .hero {
    min-height: 480px;
  }
  .hero-inner {
    padding: 60px 0 70px;
  }
  .hero-sub {
    font-size: 15px;
  }
  .directory-grid {
    grid-template-columns: 1fr 1fr;
  }
  .directory-item:nth-child(3) {
    border-right: 1px solid var(--border-color);
  }
  .directory-item:nth-child(even) {
    border-right: none;
  }
  .directory-item:nth-child(n+3) {
    border-top: 1px solid var(--border-color);
  }
  .feature-grid {
    display: block;
  }
  .feature-card {
    margin-bottom: 18px;
    grid-column: span 1 !important;
    grid-row: span 1 !important;
    height: 240px;
  }
  .feature-main {
    height: 300px;
  }
  .feature-main .feature-title {
    font-size: 22px;
  }
  .feature-main .feature-desc {
    opacity: 1;
    max-height: none;
  }
  .feature-card .feature-desc {
    opacity: 1;
    max-height: none;
  }
  .feature-card .feature-learn {
    opacity: 1;
    transform: none;
  }
  .news-list {
    gap: 14px;
  }
  .news-card {
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    gap: 14px;
  }
  .news-thumb {
    width: 100%;
    height: 160px;
  }
  .news-info h3 {
    font-size: 16px;
  }
  .news-info p {
    font-size: 13px;
  }
  .section {
    padding: 56px 0;
  }
  .recommend-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .cta-buttons .btn {
    width: 100%;
  }
  .btn {
    padding: 12px 22px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 18px;
  }
  .directory-item {
    padding: 18px 14px;
  }
  .directory-num {
    font-size: 24px;
    margin-bottom: 10px;
  }
  .directory-item h3 {
    font-size: 14px;
  }
  .directory-item p {
    font-size: 12px;
  }
  .hero-scroll {
    display: none;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .stat-item .stat-num {
    font-size: 2rem;
  }
  .cta-section h2 {
    font-size: 1.5rem;
  }
}

/* roulang page: category1 */
:root {
  --primary: #0F766E;
  --primary-dark: #0B4F4A;
  --accent: #B89145;
  --page-bg: #FAF7F2;
  --section-bg: #F0EBE2;
  --title-color: #1F2A28;
  --text-color: #33403D;
  --muted: #7A8582;
  --border: #E4DED3;
  --white: #ffffff;
  --success: #3D7A5C;
  --warning: #C44536;
  --radius-card: 12px;
  --radius-btn: 8px;
  --shadow-card: 0 2px 12px rgba(15, 118, 110, 0.08);
  --shadow-card-hover: 0 10px 30px rgba(15, 118, 110, 0.14);
  --shadow-nav: 0 4px 20px rgba(0, 0, 0, 0.08);
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --transition: 0.25s ease;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--page-bg);
  color: var(--text-color);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
body.nav-lock { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 80px 0; }
.section-alt { background: var(--section-bg); }
.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}
.section-eyebrow {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.section-eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.3;
  color: var(--title-color);
  font-weight: 700;
  margin-bottom: 12px;
}
.section-subtitle {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.8;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: all var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }
.btn:focus-visible, .nav-link:focus-visible, .icon-btn:focus-visible, .faq-toggle:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
}
.btn-primary:hover {
  background: #0d675f;
  color: var(--white);
  box-shadow: 0 6px 18px rgba(15, 118, 110, 0.22);
  transform: translateY(-2px);
}
.btn-accent {
  background: var(--accent);
  color: #1F2A28;
}
.btn-accent:hover {
  background: #c99d54;
  color: #1F2A28;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(184, 145, 69, 0.28);
}
.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.65);
  color: var(--white);
  background: transparent;
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--white);
  color: var(--white);
}
.btn-outline-dark {
  border-color: var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline-dark:hover {
  background: var(--primary);
  color: var(--white);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-nav);
}
.header-top {
  background: var(--primary-dark);
  height: 46px;
  display: flex;
  align-items: center;
  transition: height var(--transition);
}
.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-mark {
  width: 32px;
  height: 32px;
  background: var(--accent);
  color: var(--primary-dark);
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  letter-spacing: 0;
}
.brand-text {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.06em;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.icon-btn {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.88);
  transition: background var(--transition), color var(--transition);
}
.icon-btn:hover { background: rgba(255, 255, 255, 0.14); color: var(--white); }
.icon-btn svg { width: 17px; height: 17px; }
.nav-toggle {
  display: none;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: rgba(255, 255, 255, 0.1);
}
.nav-toggle span {
  width: 16px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.header-bottom {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  height: 52px;
  display: flex;
  align-items: center;
  transition: box-shadow var(--transition);
}
.header-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 16px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  display: inline-block;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--title-color);
  border-radius: 8px;
  position: relative;
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover {
  color: var(--primary);
  background: rgba(15, 118, 110, 0.06);
}
.nav-link.active {
  color: var(--primary);
}
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 3px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.hot-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  flex-shrink: 0;
}
.hot-tag-label {
  color: var(--muted);
  letter-spacing: 0.02em;
}
.hot-tag {
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.07);
  color: var(--primary);
  font-weight: 500;
  transition: all var(--transition);
}
.hot-tag:hover {
  background: var(--primary);
  color: var(--white);
}
.site-header.is-scrolled .header-top { height: 38px; }
.site-header.is-scrolled .header-bottom { box-shadow: var(--shadow-nav); }

/* Page Hero */
.page-hero {
  background: var(--section-bg);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(240,235,226,1) 0%, rgba(240,235,226,0.92) 42%, rgba(240,235,226,0.35) 78%, rgba(240,235,226,0.1) 100%),
    url('/assets/images/backpic/back-2.webp') center right / cover no-repeat;
  pointer-events: none;
}
.page-hero-inner {
  position: relative;
  z-index: 1;
  padding: 60px 0 72px;
  max-width: 760px;
}
.breadcrumb {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { color: var(--border); font-weight: 300; }
.breadcrumb-current { color: var(--text-color); font-weight: 500; }
.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5vw, 3rem);
  line-height: 1.25;
  color: var(--title-color);
  font-weight: 800;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.page-hero-desc {
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-color);
  max-width: 640px;
  margin-bottom: 32px;
}
.page-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
}
.page-hero-stats-item {
  display: flex;
  flex-direction: column;
}
.page-hero-stats-item strong {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}
.page-hero-stats-item span {
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
}

/* News Flow */
.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.news-card {
  display: flex;
  gap: 20px;
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 20px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(228, 222, 211, 0.5);
  transition: transform var(--transition), box-shadow var(--transition);
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.news-card-media {
  width: 200px;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
  background: var(--section-bg);
}
.news-card-media img {
  width: 100%;
  height: 100%;
  min-height: 132px;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.news-card:hover .news-card-media img { transform: scale(1.04); }
.news-card-body {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.news-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 4px;
  background: rgba(15, 118, 110, 0.1);
  color: var(--primary);
  margin-bottom: 10px;
  align-self: flex-start;
  letter-spacing: 0.02em;
}
.news-card-title {
  font-size: 17px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--title-color);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition);
}
.news-card-title a { color: inherit; }
.news-card-title a:hover { color: var(--primary); }
.news-card-excerpt {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
}
.news-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--muted);
  margin-top: auto;
}
.news-card-meta .date {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Value Points */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.value-card {
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(228, 222, 211, 0.5);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.value-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 42px;
  height: 3px;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.value-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(15, 118, 110, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary);
}
.value-icon svg { width: 26px; height: 26px; }
.value-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--title-color);
  margin-bottom: 10px;
  font-family: var(--font-serif);
}
.value-card p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* Topics */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.topic-card {
  background: var(--section-bg);
  border-radius: var(--radius-card);
  padding: 28px 22px;
  text-align: center;
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
}
.topic-card:hover {
  background: var(--white);
  border-color: rgba(15, 118, 110, 0.35);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}
.topic-num {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 800;
  color: rgba(15, 118, 110, 0.18);
  line-height: 1;
  display: block;
  margin-bottom: 14px;
  transition: color var(--transition);
}
.topic-card:hover .topic-num { color: var(--accent); }
.topic-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--title-color);
  margin-bottom: 8px;
}
.topic-card p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* Process */
.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  position: relative;
}
.process-step {
  position: relative;
  padding: 0 12px;
}
.process-step::before {
  content: "";
  position: absolute;
  top: 28px;
  left: -34px;
  right: -34px;
  height: 1px;
  background: var(--border);
  z-index: 0;
}
.process-step:first-child::before { display: none; }
.process-step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 6px rgba(15, 118, 110, 0.12);
}
.process-step h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--title-color);
  margin-bottom: 8px;
  font-family: var(--font-serif);
}
.process-step p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* FAQ */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
}
.faq-item {
  background: var(--white);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq-item.active {
  box-shadow: 0 6px 24px rgba(15, 118, 110, 0.08);
  border-color: rgba(15, 118, 110, 0.3);
}
.faq-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  text-align: left;
  font-size: 15px;
  font-weight: 600;
  color: var(--title-color);
  transition: background var(--transition);
}
.faq-toggle:hover { background: rgba(15, 118, 110, 0.03); }
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(15, 118, 110, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
  font-weight: 400;
  transition: transform 0.3s ease, background var(--transition);
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: var(--white);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}
.faq-answer p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  border-left: 2px solid var(--accent);
  padding-left: 16px;
}

/* CTA */
.cta-section {
  background: linear-gradient(120deg, #0B4F4A 0%, #0F766E 100%);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(184, 145, 69, 0.1);
}
.cta-section::after {
  content: "";
  position: absolute;
  bottom: -80px;
  left: 15%;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  padding: 88px 0 96px;
}
.cta-inner h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  color: var(--white);
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 16px;
}
.cta-inner p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.8;
  margin-bottom: 36px;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Related */
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 28px 26px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(228, 222, 211, 0.5);
  transition: all var(--transition);
  display: block;
  position: relative;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(15, 118, 110, 0.25);
}
.related-card .related-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(184, 145, 69, 0.12);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.related-icon svg { width: 20px; height: 20px; }
.related-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--title-color);
  margin-bottom: 8px;
  transition: color var(--transition);
}
.related-card:hover h3 { color: var(--primary); }
.related-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}
.related-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  margin-top: 16px;
}
.related-link svg { width: 15px; height: 15px; transition: transform var(--transition); }
.related-card:hover .related-link svg { transform: translateX(4px); }
.related-card:hover .related-link { color: var(--accent); }

/* Footer */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  padding-top: 64px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 52px;
  border-bottom: 1px solid rgba(184, 145, 69, 0.3);
}
.footer-brand .brand-text {
  font-size: 18px;
  color: var(--white);
}
.footer-brand-text {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.62);
  margin-top: 16px;
  max-width: 300px;
}
.footer-title {
  font-size: 15px;
  color: var(--white);
  font-weight: 700;
  margin-bottom: 18px;
  font-family: var(--font-serif);
  letter-spacing: 0.04em;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  transition: color var(--transition), padding-left var(--transition);
}
.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
}
.footer-contact-list svg {
  width: 17px;
  height: 17px;
  color: var(--accent);
  flex-shrink: 0;
}
.footer-bottom {
  padding: 20px 0 24px;
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}
.footer-bottom-inner a { color: rgba(255, 255, 255, 0.55); }
.footer-bottom-inner a:hover { color: var(--accent); }

/* Mobile Nav Drawer */
@media (max-width: 767px) {
  .nav-toggle { display: flex; }
  .header-bottom {
    position: fixed;
    top: 46px;
    left: 0;
    right: 0;
    height: auto;
    background: var(--white);
    box-shadow: var(--shadow-nav);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    border-bottom: 1px solid var(--border);
    display: block;
    padding: 16px 24px 20px;
  }
  .header-bottom.nav-open { transform: translateY(0); }
  .header-bottom-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 0;
  }
  .main-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    width: 100%;
  }
  .nav-link {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
  }
  .nav-link.active::after { display: none; }
  .nav-link.active { color: var(--primary); background: rgba(15, 118, 110, 0.06); border-radius: 8px; padding-left: 12px; }
  .hot-tags {
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 8px;
  }
  .hot-tag-label { width: 100%; }
}

/* Responsive */
@media (max-width: 991px) {
  .section { padding: 64px 0; }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .topic-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  .news-card { flex-direction: column; }
  .news-card-media { width: 100%; }
  .news-card-media img { min-height: 180px; }
}
@media (max-width: 767px) {
  .section { padding: 52px 0; }
  .page-hero-inner { padding: 44px 0 52px; }
  .page-hero h1 { font-size: clamp(1.9rem, 7vw, 2.4rem); }
  .page-hero-desc { font-size: 15px; }
  .page-hero-stats { gap: 20px; }
  .page-hero-stats-item strong { font-size: 22px; }
  .news-grid { grid-template-columns: 1fr; gap: 20px; }
  .value-grid { grid-template-columns: 1fr; gap: 20px; }
  .topic-grid { grid-template-columns: 1fr; gap: 16px; }
  .process-steps { grid-template-columns: 1fr; gap: 28px; }
  .process-step::before { display: none; }
  .related-grid { grid-template-columns: 1fr; gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
  .section-title { font-size: 1.45rem; }
  .container { padding: 0 18px; }
}
@media (max-width: 520px) {
  .page-hero-inner { padding: 36px 0 44px; }
  .page-hero-stats { flex-direction: column; gap: 14px; }
  .value-card { padding: 26px 20px; }
  .news-card { padding: 16px; }
  .news-card-body { margin-left: 0; }
  .btn { width: 100%; }
  .cta-buttons { flex-direction: column; width: 100%; }
  .cta-buttons .btn { width: 100%; }
}

/* roulang page: article */
:root {
  --primary: #0F766E;
  --primary-dark: #0B4F4A;
  --accent: #B89145;
  --bg-page: #FAF7F2;
  --bg-section: #F0EBE2;
  --text-title: #1F2A28;
  --text-body: #33403D;
  --text-muted: #7A8582;
  --border-color: #E4DED3;
  --link-color: #0F766E;
  --success: #3D7A5C;
  --danger: #C44536;
  --disabled: #C8C2B8;
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-badge: 4px;
  --shadow-card: 0 2px 12px rgba(15, 118, 110, 0.08);
  --shadow-card-hover: 0 10px 30px rgba(15, 118, 110, 0.14);
  --shadow-nav: 0 4px 20px rgba(0, 0, 0, 0.08);
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --transition: 0.25s ease;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg-page);
  color: var(--text-body);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--link-color); text-decoration: none; transition: color 0.25s ease; }
a:hover { color: var(--accent); }
button { font-family: inherit; cursor: pointer; }
input, button { outline: none; }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  border: 1px solid transparent;
  transition: all 0.25s ease;
  text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(15, 118, 110, 0.24); }
.btn-primary:active { transform: scale(0.98); }
.btn-ghost { background: transparent; border-color: var(--primary); color: var(--primary); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-ghost:active { transform: scale(0.98); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-page);
  box-shadow: var(--shadow-nav);
}
.top-bar { background: var(--primary-dark); transition: all 0.3s ease; }
.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
  transition: height 0.3s ease;
}
.site-header.is-scrolled .top-bar-inner { height: 38px; }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 30px; height: 30px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent); color: #1F2A28;
  font-family: var(--font-serif);
  font-weight: 800; font-size: 16px;
  border-radius: 6px;
  flex-shrink: 0;
}
.brand-text {
  color: #fff;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.top-actions { display: flex; align-items: center; gap: 6px; }
.top-action {
  width: 34px; height: 34px;
  border: none;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: rgba(255,255,255,0.85);
  transition: all 0.25s ease;
}
.top-action:hover { background: rgba(255,255,255,0.12); color: #fff; }
.top-action svg { width: 18px; height: 18px; }
.nav-toggle {
  display: none;
  width: 34px; height: 34px;
  border: none;
  border-radius: 8px;
  background: rgba(255,255,255,0.12);
  color: #fff;
  align-items: center;
  justify-content: center;
}
.nav-toggle:hover { background: rgba(255,255,255,0.2); }
.nav-toggle svg { width: 18px; height: 18px; }
.nav-row { background: var(--bg-page); border-bottom: 1px solid var(--border-color); }
.nav-row-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  gap: 16px;
}
.main-nav { display: flex; align-items: center; gap: 32px; }
.nav-link {
  position: relative;
  color: var(--text-body);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 2px;
  white-space: nowrap;
  transition: color 0.25s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 6px;
  width: 100%; height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s ease;
}
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.active { color: var(--primary); }
.nav-link.active::after { transform: scaleX(1); }
.trend-tags { display: flex; align-items: center; gap: 8px; }
.trend-label { font-size: 13px; color: var(--text-muted); white-space: nowrap; }
.trend-tag {
  padding: 5px 12px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  font-size: 13px;
  color: var(--primary);
  background: #fff;
  white-space: nowrap;
  transition: all 0.25s ease;
}
.trend-tag:hover { border-color: var(--accent); color: var(--accent); background: #fffdf8; }

.mobile-menu {
  display: none;
  background: #fff;
  border-bottom: 1px solid var(--border-color);
  padding: 18px 0;
  box-shadow: 0 12px 24px rgba(0,0,0,0.06);
}
.mobile-menu.open { display: block; }
.mobile-menu-inner { display: flex; flex-direction: column; gap: 4px; }
.mobile-link {
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-title);
  transition: all 0.25s ease;
}
.mobile-link:hover { background: var(--bg-section); color: var(--primary); }
.mobile-trend {
  margin-top: 12px;
  padding: 14px;
  border-radius: 8px;
  background: var(--bg-section);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb-sep { color: #C8C2B8; }
.breadcrumb-current {
  color: var(--text-body);
  font-weight: 500;
  max-width: 240px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.article-hero {
  background: linear-gradient(120deg, #F0EBE2 0%, #F7F3EC 100%);
  border-bottom: 1px solid var(--border-color);
  padding: 48px 0;
}
.article-hero-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 40px;
  align-items: center;
}
.article-hero.no-cover .article-hero-grid { grid-template-columns: 1fr; }
.article-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3.2vw, 2.4rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-title);
  margin: 14px 0 18px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: center;
  color: var(--text-muted);
  font-size: 14px;
}
.meta-item { display: inline-flex; align-items: center; gap: 6px; }
.meta-item a { color: var(--primary); font-weight: 500; }
.meta-item a:hover { color: var(--accent); }
.meta-official {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(184,145,69,0.14);
  color: #8a6426;
  font-size: 12px;
  font-weight: 600;
}
.article-hero-cover .hero-cover-figure {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(15,118,110,0.14);
  line-height: 0;
}
.hero-cover-figure img { width: 100%; height: 220px; object-fit: cover; }

.article-body-section { padding: 56px 0 24px; }
.article-layout { max-width: 760px; margin: 0 auto; }
.article-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  padding: 40px;
}
.article-content { font-size: 16px; line-height: 1.9; color: var(--text-body); word-break: break-word; }
.article-content h2 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-title);
  margin: 1.8em 0 0.8em;
  padding-left: 14px;
  border-left: 4px solid var(--accent);
  line-height: 1.4;
}
.article-content h3 {
  font-family: var(--font-serif);
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--text-title);
  margin: 1.6em 0 0.7em;
  line-height: 1.4;
}
.article-content p { margin-bottom: 1.4em; text-indent: 2em; }
.article-content blockquote {
  margin: 1.6em 0;
  padding: 16px 20px;
  border-left: 3px solid var(--accent);
  background: var(--bg-section);
  border-radius: 0 8px 8px 0;
  color: var(--text-body);
}
.article-content ul,
.article-content ol { margin: 1.2em 0; padding-left: 1.6em; }
.article-content li { margin-bottom: 0.5em; }
.article-content img {
  border-radius: 8px;
  margin: 1.4em auto;
  max-width: 100%;
}
.article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--accent); }

.article-foot {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: var(--radius-badge);
  background: rgba(15,118,110,0.08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  transition: all 0.25s ease;
}
a.tag:hover { background: var(--primary); color: #fff; }
.article-share { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: #fff;
  color: var(--text-body);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.25s ease;
}
.share-btn:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.share-btn:active { transform: scale(0.97); }
.share-btn-fav:hover { border-color: var(--accent); color: var(--accent); }
.share-btn svg { width: 16px; height: 16px; }

.article-empty { text-align: center; padding: 80px 20px; }
.empty-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--bg-section);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}
.empty-icon svg { width: 32px; height: 32px; }
.article-empty h2 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 12px;
}
.article-empty p { color: var(--text-muted); max-width: 420px; margin: 0 auto 28px; }

.article-back { padding: 12px 0 8px; text-align: center; }

.recommend-section { padding: 64px 0 80px; }
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.6vw, 1.9rem);
  font-weight: 700;
  color: var(--text-title);
  text-align: center;
  margin-bottom: 8px;
}
.section-title::after {
  content: "";
  display: block;
  width: 44px;
  height: 3px;
  margin: 14px auto 0;
  background: var(--accent);
  border-radius: 2px;
}
.section-sub { text-align: center; color: var(--text-muted); font-size: 15px; margin-top: 14px; }
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.recommend-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}
.recommend-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.recommend-card .card-img { overflow: hidden; line-height: 0; display: block; }
.recommend-card .card-img img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.recommend-card:hover .card-img img { transform: scale(1.05); }
.recommend-card-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.recommend-card .card-cat {
  display: inline-flex;
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: var(--radius-badge);
  background: rgba(15,118,110,0.08);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
}
.recommend-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--text-title); margin: 12px 0 8px; line-height: 1.4; }
.recommend-card h3 a { color: var(--text-title); }
.recommend-card h3 a:hover { color: var(--primary); }
.recommend-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 12px; }
.recommend-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.recommend-card:hover .card-link { color: var(--accent); }

.site-footer { background: var(--primary-dark); color: rgba(255,255,255,0.78); }
.footer-top { padding: 56px 0 24px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
}
.footer-brand .brand .brand-text { font-size: 18px; }
.footer-brand-text {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,0.65);
  max-width: 300px;
}
.footer-title {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: rgba(255,255,255,0.7); font-size: 14px; transition: all 0.25s ease; }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.footer-contact-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: rgba(255,255,255,0.7); }
.footer-contact-list svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--accent); margin-top: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(184,145,69,0.35);
  padding: 20px 0;
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
}

.toast-tip {
  position: fixed;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%) translateY(20px);
  background: rgba(31,42,40,0.92);
  color: #fff;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 14px;
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 9999;
  pointer-events: none;
}
.toast-tip.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 991px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .article-hero-grid { grid-template-columns: 1fr 280px; gap: 28px; }
  .hero-cover-figure img { height: 200px; }
  .trend-tags { display: none; }
}
@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .nav-toggle { display: inline-flex; }
  .nav-row { display: none; }
  .top-bar-inner { height: 44px; }
  .site-header.is-scrolled .top-bar-inner { height: 38px; }
  .brand-text { font-size: 14px; }
  .article-hero { padding: 32px 0; }
  .article-hero-grid { grid-template-columns: 1fr; gap: 20px; }
  .article-hero-cover { display: none; }
  .article-body-section { padding: 32px 0 16px; }
  .article-card { padding: 24px 20px; }
  .article-title { font-size: 1.5rem; }
  .article-foot { flex-direction: column; align-items: flex-start; }
  .recommend-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .top-actions { gap: 2px; }
  .trend-tag { font-size: 12px; padding: 4px 10px; }
  .article-share .share-btn { padding: 7px 12px; font-size: 13px; }
}

/* roulang page: category2 */
:root {
  --primary: #0F766E;
  --primary-dark: #0B4F4A;
  --accent: #B89145;
  --bg: #FAF7F2;
  --section-bg: #F0EBE2;
  --heading: #1F2A28;
  --text: #33403D;
  --muted: #7A8582;
  --border: #E4DED3;
  --white: #FFFFFF;
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-badge: 4px;
  --shadow: 0 2px 12px rgba(15, 118, 110, 0.08);
  --shadow-hover: 0 10px 30px rgba(15, 118, 110, 0.14);
  --nav-hd: 48px;
  --nav-md: 56px;
  --transition: all 0.25s ease;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.25s ease;
}

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

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

input {
  font-family: inherit;
}

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

/* 双层吸顶导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.header-top {
  background: var(--primary-dark);
  height: var(--nav-hd);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
}

.brand:hover {
  color: var(--white);
}

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--accent) 0%, #d4af5e 100%);
  color: var(--primary-dark);
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 800;
  border-radius: 6px;
  flex-shrink: 0;
}

.brand-text {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  font-family: var(--font-serif);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 6px;
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-btn);
  color: rgba(255, 255, 255, 0.85);
  transition: var(--transition);
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
}

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

.menu-toggle {
  display: none;
}

.header-bottom {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  height: var(--nav-md);
}

.header-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 20px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 100%;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 100%;
  padding: 0 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--heading);
  border-radius: var(--radius-btn);
  transition: var(--transition);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(15, 118, 110, 0.06);
}

.nav-link:hover::after {
  width: 24px;
}

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

.nav-link.active::after {
  width: 24px;
}

.hot-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  white-space: nowrap;
}

.hot-tags span {
  color: var(--muted);
}

.hot-tags a {
  display: inline-block;
  padding: 2px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text);
  transition: var(--transition);
}

.hot-tags a:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(15, 118, 110, 0.04);
}

/* 移动端抽屉 */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  height: 100%;
  background: var(--white);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
  z-index: 1200;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  overflow-y: auto;
}

.mobile-drawer.open {
  transform: translateX(0);
}

.drawer-mask {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1190;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.drawer-mask.open {
  opacity: 1;
  visibility: visible;
}

.drawer-close {
  align-self: flex-end;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-btn);
  background: var(--section-bg);
  color: var(--heading);
}

.drawer-brand {
  font-size: 18px;
  font-weight: 700;
  font-family: var(--font-serif);
  color: var(--heading);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.drawer-nav a {
  display: block;
  padding: 12px 14px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 500;
  color: var(--heading);
  transition: var(--transition);
}

.drawer-nav a:hover {
  background: rgba(15, 118, 110, 0.08);
  color: var(--primary);
}

.drawer-nav a.active {
  background: rgba(15, 118, 110, 0.1);
  color: var(--primary);
  font-weight: 600;
}

.drawer-search {
  display: flex;
  gap: 8px;
}

.drawer-search input {
  flex: 1;
  height: 44px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}

.drawer-search input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
}

.drawer-search button {
  height: 44px;
  padding: 0 18px;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius-btn);
  font-size: 14px;
  font-weight: 500;
}

/* Hero 标题区 */
.page-hero {
  position: relative;
  background:
    linear-gradient(135deg, rgba(11, 79, 74, 0.92) 0%, rgba(15, 118, 110, 0.72) 60%, rgba(15, 118, 110, 0.5) 100%),
    url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  padding: 72px 0 80px;
  color: var(--white);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}

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

.breadcrumb .sep {
  opacity: 0.5;
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}

.page-hero-sub {
  max-width: 680px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
}

.page-hero-sub strong {
  color: #f0d9a8;
  font-weight: 600;
}

/* 板块通用 */
.section {
  padding: 72px 0;
}

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

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 48px;
}

.section-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.3;
  font-weight: 700;
  color: var(--heading);
  position: relative;
  padding-left: 18px;
}

.section-head h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--accent), var(--primary));
}

.section-head p {
  color: var(--muted);
  font-size: 15px;
  max-width: 420px;
  text-align: right;
  line-height: 1.7;
}

/* 图文交错 */
.alternate-list {
  display: flex;
  flex-direction: column;
  gap: 64px;
}

.alternate-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.alternate-item:nth-child(even) .alt-media {
  order: 2;
}

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

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

.alt-media img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.alt-media .media-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(11, 79, 74, 0.88);
  color: var(--white);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

.alt-content {
  padding: 8px 0;
}

.alt-num {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  display: block;
  margin-bottom: 16px;
  opacity: 0.9;
}

.alt-content h3 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 16px;
  line-height: 1.35;
}

.alt-content p {
  color: var(--text);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 20px;
}

.alt-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.alt-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  color: var(--text);
}

.alt-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0.7;
}

.alt-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: var(--transition);
}

.alt-link:hover {
  color: var(--accent);
  gap: 12px;
}

.alt-link::after {
  content: "→";
  font-size: 16px;
}

/* 数据一览 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  border-bottom: 3px solid transparent;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-bottom-color: var(--accent);
}

.stat-num {
  font-family: var(--font-serif);
  font-size: 42px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-num .unit {
  font-size: 18px;
  font-weight: 600;
  margin-left: 4px;
  color: var(--accent);
}

.stat-label {
  font-size: 14px;
  color: var(--muted);
  margin-top: 8px;
}

/* 合作流程 */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-item {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 32px 24px 28px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.process-item:hover .process-step {
  background: var(--primary);
  color: var(--white);
}

.process-step {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(15, 118, 110, 0.1);
  color: var(--primary);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 18px;
  transition: var(--transition);
}

.process-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--heading);
  margin-bottom: 10px;
}

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

/* 相关推荐 */
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.recommend-card {
  background: var(--white);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.recommend-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.recommend-card .rec-media {
  height: 180px;
  overflow: hidden;
}

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

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

.rec-body {
  padding: 24px 24px 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.rec-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--heading);
  line-height: 1.45;
  margin-bottom: 10px;
}

.rec-body p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  flex: 1;
}

.rec-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-top: 16px;
  transition: var(--transition);
}

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

.rec-link::after {
  content: "→";
  transition: transform 0.25s;
}

.rec-link:hover::after {
  transform: translateX(4px);
}

/* CTA 区块 */
.cta-section {
  position: relative;
  background:
    linear-gradient(120deg, rgba(11, 79, 74, 0.95) 0%, rgba(15, 118, 110, 0.85) 100%),
    url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  padding: 72px 0;
  text-align: center;
  color: var(--white);
}

.cta-kicker {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #f0d9a8;
  margin-bottom: 12px;
}

.cta-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 14px;
}

.cta-section .cta-desc {
  max-width: 560px;
  margin: 0 auto 32px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
  line-height: 1.8;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 32px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
  line-height: 1.4;
}

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

.btn-accent:hover {
  background: #c99f55;
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(184, 145, 69, 0.3);
}

.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--white);
  background: transparent;
}

.btn-outline-light:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.btn-primary-solid {
  background: var(--primary);
  color: var(--white);
}

.btn-primary-solid:hover {
  background: #0d6962;
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 118, 110, 0.28);
}

/* 页脚 */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.75);
  padding-top: 64px;
}

.footer-top {
  padding-bottom: 40px;
  position: relative;
}

.footer-top::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, var(--accent) 20%, var(--accent) 80%, transparent 100%);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr 1fr;
  gap: 48px;
}

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-brand-text {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
  max-width: 300px;
}

.footer-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
  transition: var(--transition);
}

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

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.68);
}

.footer-contact-list svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex-shrink: 0;
}

.footer-copyright {
  border-top: 1px solid rgba(184, 145, 69, 0.35);
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-copyright span {
  margin: 0 8px;
}

/* 焦点可访问性 */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* 响应式 */
@media (max-width: 991px) {
  .header-bottom-inner {
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding-top: 0;
    padding-bottom: 0;
  }

  .main-nav {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }

  .nav-link {
    padding: 0 14px;
    white-space: nowrap;
  }

  .hot-tags {
    display: none;
  }

  .alternate-item {
    gap: 32px;
  }

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

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

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

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

@media (max-width: 767px) {
  :root {
    --nav-hd: 48px;
    --nav-md: auto;
  }

  .header-top {
    height: 48px;
  }

  .header-bottom {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .header-tools .icon-btn.search-btn,
  .header-tools .icon-btn.fav-btn {
    display: none;
  }

  .page-hero {
    padding: 56px 0 60px;
  }

  .page-hero h1 {
    font-size: clamp(1.9rem, 6vw, 2.6rem);
  }

  .section {
    padding: 52px 0;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 32px;
  }

  .section-head p {
    text-align: left;
  }

  .alternate-list {
    gap: 48px;
  }

  .alternate-item {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .alternate-item:nth-child(even) .alt-media {
    order: 0;
  }

  .alt-media img {
    height: 240px;
  }

  .alt-num {
    font-size: 36px;
  }

  .alt-content h3 {
    font-size: 20px;
  }

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

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

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

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 320px;
  }
}

@media (max-width: 520px) {
  .brand-text {
    font-size: 15px;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
    font-size: 16px;
  }

  .page-hero-sub {
    font-size: 15px;
  }

  .breadcrumb {
    font-size: 13px;
  }

  .footer-grid {
    gap: 24px;
  }
}

/* roulang page: category3 */
:root {
      --primary: #0F766E;
      --primary-dark: #0B4F4A;
      --accent: #B89145;
      --bg: #FAF7F2;
      --section-bg: #F0EBE2;
      --title-color: #1F2A28;
      --body-color: #33403D;
      --muted: #7A8582;
      --border: #E4DED3;
      --success: #3D7A5C;
      --warning: #C44536;
      --disabled: #C8C2B8;
      --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', serif;
      --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-badge: 4px;
      --shadow-card: 0 2px 12px rgba(15, 118, 110, 0.08);
      --shadow-card-hover: 0 10px 30px rgba(15, 118, 110, 0.14);
      --shadow-header: 0 4px 20px rgba(0, 0, 0, 0.08);
      --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.18);
      --transition: 0.25s ease;
      --container: 1200px;
      --radius-sm: 4px;
    }

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

    html {
      scroll-behavior: smooth;
    }

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

    img {
      max-width: 100%;
      display: block;
      border-radius: var(--radius-card);
    }

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

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

    ul,
    ol {
      list-style: none;
    }

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

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

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

    /* 按钮 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: var(--radius-btn);
      font-size: 15px;
      font-weight: 600;
      line-height: 1.4;
      transition: all var(--transition);
      border: 1px solid transparent;
    }

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

    .btn-primary:hover {
      background: var(--primary-dark);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(15, 118, 110, 0.25);
    }

    .btn-outline-light {
      border-color: rgba(255, 255, 255, 0.7);
      color: #fff;
    }

    .btn-outline-light:hover {
      background: rgba(255, 255, 255, 0.1);
      color: #fff;
      border-color: #fff;
      transform: translateY(-2px);
    }

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

    .btn-accent:hover {
      background: #caa35c;
      color: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(184, 145, 69, 0.3);
    }

    .btn-outline-light {
      border-color: rgba(255, 255, 255, 0.6);
      color: #fff;
    }

    .btn-outline-light:hover {
      border-color: #fff;
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
    }

    .btn-lg {
      padding: 14px 36px;
      font-size: 16px;
    }

    .btn:active {
      transform: scale(0.98);
    }

    .btn.disabled {
      background: var(--disabled);
      opacity: 0.5;
      pointer-events: none;
    }

    /* 徽章 */
    .badge {
      display: inline-block;
      padding: 3px 12px;
      border-radius: var(--radius-badge);
      font-size: 13px;
      font-weight: 600;
      line-height: 1.6;
      background: rgba(15, 118, 110, 0.1);
      color: var(--primary);
    }

    .badge-gold {
      background: rgba(184, 145, 69, 0.15);
      color: var(--accent);
    }

    /* 双层吸顶导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 999;
      box-shadow: var(--shadow-header);
    }

    .header-top {
      background: var(--primary-dark);
      color: #fff;
    }

    .header-top-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 48px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: #fff;
    }

    .brand:hover {
      color: rgba(255, 255, 255, 0.85);
    }

    .brand-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 30px;
      height: 30px;
      background: var(--accent);
      color: var(--primary-dark);
      font-family: var(--font-serif);
      font-size: 18px;
      font-weight: 800;
      border-radius: 4px;
      line-height: 1;
    }

    .brand-text {
      font-family: var(--font-serif);
      font-size: 18px;
      font-weight: 700;
      letter-spacing: 1px;
    }

    .header-tools {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .icon-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 8px;
      color: rgba(255, 255, 255, 0.85);
      transition: background var(--transition), color var(--transition);
    }

    .icon-btn:hover {
      background: rgba(255, 255, 255, 0.1);
      color: #fff;
    }

    .icon-btn svg {
      width: 18px;
      height: 18px;
    }

    .menu-toggle {
      display: none;
    }

    .header-bottom {
      background: #fff;
      border-bottom: 1px solid var(--border);
    }

    .header-bottom-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 54px;
      gap: 20px;
    }

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

    .nav-link {
      display: inline-block;
      padding: 10px 18px;
      font-size: 15px;
      font-weight: 600;
      color: var(--body-color);
      border-radius: 8px;
      position: relative;
      transition: color var(--transition), background var(--transition);
    }

    .nav-link:hover {
      color: var(--primary);
      background: rgba(15, 118, 110, 0.06);
    }

    .nav-link.active {
      color: var(--primary);
      background: rgba(15, 118, 110, 0.08);
    }

    .nav-link.active::after {
      content: '';
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 4px;
      height: 2px;
      background: var(--accent);
      border-radius: 2px;
    }

    .hot-tags {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--muted);
      white-space: nowrap;
    }

    .hot-label {
      font-weight: 600;
    }

    .hot-tag {
      padding: 3px 12px;
      border-radius: 999px;
      background: rgba(184, 145, 69, 0.1);
      color: var(--accent);
      font-weight: 600;
      transition: background var(--transition), color var(--transition);
    }

    .hot-tag:hover {
      background: rgba(184, 145, 69, 0.2);
      color: var(--accent);
    }

    /* 移动端抽屉菜单 */
    .mobile-drawer {
      display: none;
      position: fixed;
      top: 0;
      right: -320px;
      width: 300px;
      height: 100%;
      background: #fff;
      box-shadow: var(--shadow-modal);
      z-index: 1000;
      padding: 24px;
      flex-direction: column;
      gap: 20px;
      transition: right 0.3s ease;
    }

    .mobile-drawer.open {
      right: 0;
      display: flex;
    }

    .drawer-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.4);
      z-index: 999;
    }

    .drawer-overlay.open {
      display: block;
    }

    .drawer-nav {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .drawer-nav a {
      padding: 12px 16px;
      border-radius: 8px;
      font-weight: 600;
      color: var(--body-color);
    }

    .drawer-nav a:hover,
    .drawer-nav a.active {
      background: rgba(15, 118, 110, 0.08);
      color: var(--primary);
    }

    .drawer-search {
      display: flex;
      gap: 8px;
    }

    .drawer-search input {
      flex: 1;
      padding: 10px 14px;
      border: 1px solid var(--border);
      border-radius: 8px;
      font-size: 14px;
    }

    .drawer-search input:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.15);
    }

    /* 页面标题区 */
    .page-banner {
      background: var(--section-bg);
      padding: 64px 0 56px;
      border-bottom: 1px solid var(--border);
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--muted);
      margin-bottom: 24px;
    }

    .breadcrumb a {
      color: var(--muted);
    }

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

    .breadcrumb .sep {
      color: var(--border);
    }

    .breadcrumb .current {
      color: var(--body-color);
      font-weight: 600;
    }

    .page-banner h1 {
      font-family: var(--font-serif);
      font-size: clamp(2rem, 4vw, 2.75rem);
      color: var(--title-color);
      line-height: 1.25;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .page-banner .lead {
      font-size: 17px;
      color: var(--body-color);
      max-width: 640px;
      line-height: 1.8;
    }

    /* 时间线 */
    .timeline-section {
      padding: 80px 0;
      background: var(--bg);
    }

    .section-head {
      text-align: center;
      margin-bottom: 64px;
    }

    .section-head .section-sub {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      color: var(--accent);
      letter-spacing: 3px;
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    .section-head h2 {
      font-family: var(--font-serif);
      font-size: clamp(1.5rem, 3vw, 2rem);
      color: var(--title-color);
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 12px;
    }

    .section-head p {
      color: var(--muted);
      font-size: 16px;
      max-width: 560px;
      margin: 0 auto;
    }

    .section-head.with-line::after {
      content: '';
      display: block;
      width: 48px;
      height: 2px;
      background: var(--accent);
      margin: 18px auto 0;
    }

    .timeline {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .timeline-line {
      position: absolute;
      left: 50%;
      top: 0;
      bottom: 0;
      width: 2px;
      background: linear-gradient(to bottom, transparent, var(--accent) 5%, var(--accent) 95%, transparent);
      transform: translateX(-50%);
    }

    .timeline-row {
      position: relative;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      padding: 32px 0;
    }

    .timeline-dot {
      position: absolute;
      left: 50%;
      top: 48px;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: var(--accent);
      border: 3px solid var(--bg);
      box-shadow: 0 0 0 4px rgba(184, 145, 69, 0.2);
      transform: translateX(-50%);
      z-index: 2;
    }

    .timeline-card {
      background: #fff;
      border-radius: var(--radius-card);
      padding: 28px;
      box-shadow: var(--shadow-card);
      border: 1px solid rgba(228, 222, 211, 0.6);
      transition: box-shadow var(--transition), transform var(--transition);
    }

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

    .timeline-card .year {
      display: inline-block;
      font-family: var(--font-serif);
      font-size: 20px;
      font-weight: 800;
      color: var(--accent);
      margin-bottom: 8px;
    }

    .timeline-card h3 {
      font-family: var(--font-serif);
      font-size: 20px;
      color: var(--title-color);
      font-weight: 700;
      margin-bottom: 8px;
    }

    .timeline-card p {
      font-size: 14px;
      color: var(--body-color);
      line-height: 1.7;
      margin-bottom: 16px;
    }

    .timeline-card img {
      width: 100%;
      height: 160px;
      object-fit: cover;
      border-radius: 8px;
    }

    .timeline-row:nth-child(odd) .timeline-card {
      grid-column: 1;
    }

    .timeline-row:nth-child(even) .timeline-card {
      grid-column: 2;
    }

    /* 核心价值观 */
    .values-section {
      padding: 80px 0;
      background: var(--section-bg);
    }

    .values-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      max-width: 900px;
      margin: 0 auto;
    }

    .value-card {
      background: #fff;
      border-radius: var(--radius-card);
      padding: 32px 28px;
      box-shadow: var(--shadow-card);
      border: 1px solid rgba(228, 222, 211, 0.5);
      position: relative;
      overflow: hidden;
      transition: box-shadow var(--transition), transform var(--transition);
    }

    .value-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: var(--accent);
    }

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

    .value-card .icon-wrap {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(15, 118, 110, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
    }

    .value-card .icon-wrap svg {
      width: 24px;
      height: 24px;
      stroke: var(--primary);
      fill: none;
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .value-card h3 {
      font-family: var(--font-serif);
      font-size: 18px;
      color: var(--title-color);
      font-weight: 700;
      margin-bottom: 8px;
    }

    .value-card p {
      font-size: 14px;
      color: var(--body-color);
      line-height: 1.7;
    }

    /* 文化实践 */
    .practice-section {
      padding: 80px 0;
      background: var(--bg);
    }

    .practice-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 48px;
    }

    .practice-card {
      background: #fff;
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      border: 1px solid rgba(228, 222, 211, 0.5);
      transition: box-shadow var(--transition), transform var(--transition);
    }

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

    .practice-card .practice-img {
      width: 100%;
      height: 180px;
      object-fit: cover;
      border-radius: 0;
    }

    .practice-card .practice-body {
      padding: 24px;
    }

    .practice-card h3 {
      font-family: var(--font-serif);
      font-size: 18px;
      color: var(--title-color);
      font-weight: 700;
      margin-bottom: 8px;
    }

    .practice-card p {
      font-size: 14px;
      color: var(--body-color);
      line-height: 1.7;
    }

    /* 相关推荐 */
    .recommend-section {
      padding: 80px 0;
      background: var(--section-bg);
    }

    .recommend-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 48px;
    }

    .recommend-card {
      background: #fff;
      border-radius: var(--radius-card);
      padding: 28px;
      box-shadow: var(--shadow-card);
      border: 1px solid rgba(228, 222, 211, 0.5);
      transition: box-shadow var(--transition), transform var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

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

    .recommend-card .rec-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: rgba(184, 145, 69, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
    }

    .recommend-card .rec-icon svg {
      width: 22px;
      height: 22px;
      stroke: var(--accent);
      fill: none;
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .recommend-card h3 {
      font-family: var(--font-serif);
      font-size: 18px;
      color: var(--title-color);
      font-weight: 700;
      margin-bottom: 8px;
    }

    .recommend-card p {
      font-size: 14px;
      color: var(--body-color);
      line-height: 1.7;
      margin-bottom: 16px;
      flex: 1;
    }

    .recommend-card .rec-link {
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .recommend-card .rec-link:hover {
      color: var(--accent);
    }

    /* CTA */
    .cta-section {
      padding: 80px 0;
      background: linear-gradient(135deg, var(--primary-dark) 0%, #123f3b 50%, var(--primary-dark) 100%);
      color: #fff;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      top: -60px;
      right: -60px;
      width: 200px;
      height: 200px;
      border: 2px solid rgba(184, 145, 69, 0.3);
      border-radius: 50%;
    }

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

    .cta-section h2 {
      font-family: var(--font-serif);
      font-size: clamp(1.75rem, 3vw, 2.25rem);
      font-weight: 800;
      margin-bottom: 16px;
    }

    .cta-section p {
      font-size: 16px;
      color: rgba(255, 255, 255, 0.8);
      max-width: 560px;
      margin: 0 auto 36px;
      line-height: 1.8;
    }

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

    .cta-gold-line {
      width: 48px;
      height: 2px;
      background: var(--accent);
      margin: 0 auto 16px;
    }

    /* 页脚 */
    .site-footer {
      background: var(--primary-dark);
      color: rgba(255, 255, 255, 0.75);
      font-size: 14px;
    }

    .footer-top {
      padding: 60px 0 40px;
    }

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

    .footer-brand .brand {
      margin-bottom: 16px;
    }

    .footer-brand-text {
      font-size: 14px;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.6);
      max-width: 300px;
      margin-top: 12px;
    }

    .footer-title {
      font-family: var(--font-serif);
      font-size: 16px;
      color: #fff;
      font-weight: 700;
      margin-bottom: 18px;
      position: relative;
      padding-bottom: 10px;
    }

    .footer-title::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 0;
      width: 28px;
      height: 2px;
      background: var(--accent);
    }

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

    .footer-links a {
      color: rgba(255, 255, 255, 0.6);
      transition: color var(--transition), padding-left var(--transition);
    }

    .footer-links a:hover {
      color: #fff;
      padding-left: 4px;
    }

    .footer-contact-list li {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
      color: rgba(255, 255, 255, 0.6);
      line-height: 1.5;
    }

    .footer-contact-list svg {
      width: 16px;
      height: 16px;
      stroke: var(--accent);
      fill: none;
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
      flex-shrink: 0;
    }

    .footer-bottom {
      border-top: 1px solid rgba(184, 145, 69, 0.4);
      padding: 20px 0;
      text-align: center;
      color: rgba(255, 255, 255, 0.45);
      font-size: 13px;
    }

    .footer-bottom p {
      margin: 0;
    }

    /* 响应式 */
    @media (max-width: 991px) {
      .header-bottom-inner {
        height: auto;
        flex-wrap: wrap;
        padding: 8px 24px;
      }

      .main-nav {
        order: 1;
        width: 100%;
        flex-wrap: wrap;
      }

      .hot-tags {
        display: none;
      }

      .nav-link {
        padding: 8px 12px;
        font-size: 14px;
      }

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

    @media (max-width: 767px) {
      .header-top-inner {
        height: 44px;
      }

      .brand-text {
        font-size: 16px;
      }

      .header-bottom-inner {
        height: auto;
        padding: 8px 20px;
      }

      .main-nav {
        display: none;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .page-banner {
        padding: 40px 0 32px;
      }

      .breadcrumb {
        margin-bottom: 16px;
        font-size: 13px;
      }

      .page-banner h1 {
        font-size: 1.75rem;
      }

      .page-banner .lead {
        font-size: 15px;
      }

      .timeline-section,
      .values-section,
      .practice-section,
      .recommend-section,
      .cta-section {
        padding: 48px 0;
      }

      .section-head {
        margin-bottom: 40px;
      }

      .timeline {
        padding: 0 0 0 20px;
      }

      .timeline-line {
        left: 8px;
        transform: none;
      }

      .timeline-dot {
        left: 8px;
        transform: translateX(-50%);
      }

      .timeline-row {
        grid-template-columns: 1fr;
        padding: 24px 0;
      }

      .timeline-row:nth-child(odd) .timeline-card,
      .timeline-row:nth-child(even) .timeline-card {
        grid-column: 1;
        margin-left: 24px;
      }

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

      .practice-grid,
      .recommend-grid {
        grid-template-columns: 1fr;
      }

      .cta-btns .btn {
        width: 100%;
        justify-content: center;
      }

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

      .footer-top {
        padding: 40px 0 24px;
      }
    }