/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #2E5F4B;
  --primary-dark: #22483A;
  --accent: #C08A3E;
  --bg: #FAF9F6;
  --bg-alt: #F1EDE7;
  --ink: #1C1C1A;
  --text: #33332F;
  --text-muted: #8A857D;
  --border: #E6E1D9;
  --radius-sm: 4px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 8px 24px rgba(28,28,26,0.06);
  --shadow-float: 0 4px 16px rgba(0,0,0,0.18);
  --shadow-dark: 0 4px 16px rgba(0,0,0,0.2);
  --transition: 0.3s cubic-bezier(0.25,0.1,0.25,1);
  --font-cn: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-serif: Georgia, "Songti SC", serif;
  --container-max: 1200px;
  --spacing-section: 96px;
  --spacing-mobile: 56px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-cn);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), border-color var(--transition), background-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

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

ul, ol {
  list-style: none;
}

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

/* ===== 通用容器 ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  width: 100%;
}

@media screen and (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* ===== 排版层级 ===== */
.section-title {
  font-size: clamp(30px, 3.2vw, 36px);
  font-weight: 300;
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--text);
}

.section-title em {
  font-style: normal;
  color: var(--primary);
}

.section-sub {
  font-size: 16px;
  font-weight: 300;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.8;
  margin-top: 16px;
}

.section-header {
  margin-bottom: 48px;
}

.text-accent {
  color: var(--accent);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1;
  transition: all var(--transition);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

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

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background: rgba(46, 95, 75, 0.05);
  border-color: var(--primary-dark);
  color: var(--primary-dark);
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 4px;
  color: var(--primary);
  font-size: 15px;
  font-weight: 400;
  border-radius: 0;
  border-bottom: 1px solid transparent;
}

.btn-text i {
  transition: transform var(--transition);
}

.btn-text:hover {
  color: var(--primary-dark);
  border-bottom-color: var(--accent);
}

.btn-text:hover i {
  transform: translateX(4px);
}

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

.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 72px;
  background: rgba(250, 249, 246, 0.93);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 2px 12px rgba(28, 28, 26, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.site-logo {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: 22px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--ink);
  flex-shrink: 0;
}

.site-logo .logo-dot {
  color: var(--accent);
}

.site-logo .logo-tag {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 300;
  letter-spacing: 0.05em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--text);
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}

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

.nav-link.active {
  color: var(--primary);
  font-weight: 500;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -1px;
  width: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.nav-cta {
  margin-left: 8px;
  padding: 10px 22px;
  font-size: 14px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--text);
  transition: all var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* 移动端导航 */
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  width: 100%;
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px;
  z-index: 999;
  box-shadow: 0 8px 20px rgba(28,28,26,0.06);
}

.mobile-nav.show {
  display: block;
}

.mobile-nav a {
  display: block;
  padding: 14px 0;
  font-size: 16px;
  font-weight: 400;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

.mobile-nav a:last-child {
  border-bottom: none;
}

.mobile-nav a.active {
  color: var(--primary);
  font-weight: 500;
}

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

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background:
    linear-gradient(to bottom, rgba(250,249,246,0.82) 0%, rgba(250,249,246,0.92) 40%, var(--bg) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom: 1px solid var(--border);
}

.hero-content {
  max-width: 680px;
}

.hero h1 {
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 300;
  line-height: 1.2;
  color: var(--ink);
  letter-spacing: 0.01em;
  margin-bottom: 24px;
}

.hero h1 span {
  color: var(--primary);
  font-weight: 400;
}

.hero-sub {
  font-size: 18px;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 640px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 13px;
  letter-spacing: 0.08em;
  animation: heroFloat 2.4s ease-in-out infinite;
}

.hero-scroll i {
  font-size: 16px;
}

@keyframes heroFloat {
  0%, 100% { opacity: 0.6; transform: translateX(-50%) translateY(0); }
  50% { opacity: 1; transform: translateX(-50%) translateY(6px); }
}

/* ===== 区块通用 ===== */
.section {
  padding: var(--spacing-section) 0;
}

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

@media screen and (max-width: 640px) {
  .section {
    padding: var(--spacing-mobile) 0;
  }
}

/* ===== 核心优势 #features ===== */
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
}

.feature-card {
  position: relative;
  padding: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: #fff;
  transition: all var(--transition);
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  border-color: rgba(46, 95, 75, 0.4);
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card.feature-wide {
  grid-column: 1 / -1;
}

.feature-num {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  display: block;
}

.feature-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(46, 95, 75, 0.08);
  color: var(--primary);
  font-size: 20px;
  margin-bottom: 20px;
  transition: all var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--primary);
  color: #fff;
}

.feature-card h3 {
  font-size: 22px;
  font-weight: 400;
  margin-bottom: 12px;
  color: var(--text);
}

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

/* ===== 演示 #demo ===== */
.demo-block {
  display: flex;
  align-items: center;
  gap: 72px;
  padding: 40px 0;
}

.demo-block.reversed {
  flex-direction: row-reverse;
}

.demo-media {
  flex: 0 0 48%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
}

.demo-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.demo-block:hover .demo-media img {
  transform: scale(1.02);
}

.demo-content {
  flex: 1;
}

.demo-kicker {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.demo-content h3 {
  font-size: 28px;
  font-weight: 300;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 16px;
}

.demo-content p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.demo-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 15px;
  font-weight: 400;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: all var(--transition);
}

.demo-link i {
  transition: transform var(--transition);
}

.demo-link:hover {
  color: var(--primary-dark);
  border-bottom-color: var(--accent);
}

.demo-link:hover i {
  transform: translateX(4px);
}

@media screen and (max-width: 1024px) {
  .demo-block, .demo-block.reversed {
    flex-direction: column;
    gap: 32px;
  }
  .demo-media {
    flex: 0 0 100%;
    width: 100%;
  }
  .demo-content {
    width: 100%;
  }
}

/* ===== 数据证据 #proof ===== */
.proof {
  padding: 80px 0;
  position: relative;
  background:
    linear-gradient(rgba(241,237,231,0.92), rgba(241,237,231,0.96)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}

.proof-item {
  text-align: center;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.proof-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.proof-num {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 400;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 8px;
}

.proof-label {
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.proof-quote {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.8;
  font-style: italic;
}

.proof-quote .quote-author {
  display: block;
  margin-top: 12px;
  font-family: var(--font-cn);
  font-size: 14px;
  font-style: normal;
  color: var(--text-muted);
}

@media screen and (max-width: 768px) {
  .proof-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 24px;
  }
}

/* ===== 价格 #pricing ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  align-items: stretch;
}

.price-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
  position: relative;
}

.price-card:hover {
  border-color: rgba(46, 95, 75, 0.35);
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.price-card.featured {
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-card);
}

.price-card.featured::before {
  content: "推荐方案";
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 4px 16px;
  border-radius: 100px;
  font-weight: 500;
  white-space: nowrap;
}

.price-name {
  font-size: 18px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 16px;
}

.price-amount {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 400;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 4px;
}

.price-amount .currency {
  font-size: 22px;
  vertical-align: top;
  margin-right: 2px;
  color: var(--accent);
}

.price-amount .unit {
  font-size: 14px;
  font-family: var(--font-cn);
  color: var(--text-muted);
  font-weight: 400;
  margin-left: 4px;
}

.price-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
  margin-bottom: 24px;
}

.price-features {
  margin-bottom: 32px;
  flex-grow: 1;
}

.price-features li {
  position: relative;
  padding: 10px 0 10px 28px;
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
  border-bottom: 1px solid var(--border);
}

.price-features li:last-child {
  border-bottom: none;
}

.price-features li i {
  position: absolute;
  left: 0;
  top: 13px;
  color: var(--primary);
  font-size: 13px;
}

.price-card .btn {
  width: 100%;
}

@media screen and (max-width: 1024px) {
  .pricing-grid {
    gap: 16px;
  }
  .price-card {
    padding: 32px 20px;
  }
}

@media screen and (max-width: 768px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .price-card.featured {
    order: -1;
  }
}

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

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

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

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 28px 4px;
  font-size: 20px;
  font-weight: 400;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition);
  gap: 16px;
}

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

.faq-question .faq-icon {
  position: relative;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  border: 1px solid var(--border);
  border-radius: 50%;
  transition: all var(--transition);
}

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

.faq-question .faq-icon::before {
  width: 10px;
  height: 1px;
}

.faq-question .faq-icon::after {
  width: 1px;
  height: 10px;
}

.faq-item.active .faq-icon {
  border-color: var(--accent);
  transform: rotate(45deg);
}

.faq-item.active .faq-icon::before,
.faq-item.active .faq-icon::after {
  background: var(--accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 40px 28px 4px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 720px;
}

@media screen and (max-width: 768px) {
  .faq-question {
    font-size: 17px;
    padding: 22px 0;
  }
  .faq-answer-inner {
    padding: 0 20px 20px 0;
    font-size: 14px;
  }
}

/* ===== 最新资讯 #updates ===== */
.updates {
  background: var(--bg);
}

.updates-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 48px;
}

.updates-sidebar {
  position: sticky;
  top: 96px;
  align-self: flex-start;
}

.updates-sidebar .section-title {
  margin-bottom: 12px;
}

.updates-all-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  color: var(--primary);
  font-size: 14px;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: all var(--transition);
}

.updates-all-link i {
  transition: transform var(--transition);
}

.updates-all-link:hover {
  color: var(--primary-dark);
  border-bottom-color: var(--accent);
}

.updates-all-link:hover i {
  transform: translateX(4px);
}

.news-list {
  border-top: 1px solid var(--border);
}

.news-item {
  display: grid;
  grid-template-columns: 110px 1fr 40px;
  align-items: center;
  gap: 24px;
  padding: 28px 12px;
  border-bottom: 1px solid var(--border);
  transition: background-color var(--transition);
}

.news-item:hover {
  background: rgba(46, 95, 75, 0.03);
}

.news-date {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.4;
}

.news-body {
  min-width: 0;
}

.news-category {
  display: inline-block;
  padding: 3px 12px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  color: var(--primary);
  margin-bottom: 8px;
  line-height: 1.4;
  background: transparent;
}

.news-title {
  display: block;
  font-size: 18px;
  font-weight: 400;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 6px;
  transition: color var(--transition);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-item:hover .news-title {
  color: var(--primary);
}

.news-summary {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.news-arrow {
  font-size: 18px;
  color: var(--border);
  transition: all var(--transition);
  justify-self: end;
}

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

.updates-empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
  font-size: 15px;
  border-top: 1px solid var(--border);
}

.updates-empty i {
  display: block;
  font-size: 32px;
  margin-bottom: 12px;
  color: var(--border);
}

@media screen and (max-width: 1024px) {
  .updates-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .updates-sidebar {
    position: static;
  }
}

@media screen and (max-width: 768px) {
  .news-item {
    grid-template-columns: 80px 1fr 28px;
    gap: 16px;
    padding: 20px 8px;
  }
  .news-date {
    font-size: 13px;
  }
  .news-title {
    font-size: 16px;
  }
}

@media screen and (max-width: 520px) {
  .news-item {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 20px 4px;
  }
  .news-date {
    font-size: 13px;
  }
  .news-arrow {
    display: none;
  }
}

/* ===== CTA 横幅 ===== */
.cta-banner {
  background: var(--ink);
  padding: 88px 0;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.cta-banner h2 {
  font-size: clamp(30px, 3.6vw, 42px);
  font-weight: 300;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 16px;
}

.cta-banner p {
  font-size: 16px;
  font-weight: 300;
  color: #A5A39D;
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

.cta-banner .btn {
  min-width: 180px;
}

@media screen and (max-width: 640px) {
  .cta-banner {
    padding: 64px 24px;
  }
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--ink);
  padding: 64px 0 32px;
  color: #A5A39D;
}

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

.footer-brand .site-logo {
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand .site-logo .logo-tag {
  color: #6F6B64;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: #A5A39D;
  max-width: 280px;
  margin-top: 12px;
  font-weight: 300;
}

.footer-nav-title {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: #fff;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.footer-nav-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav-links a {
  font-size: 14px;
  color: #A5A39D;
  font-weight: 300;
  transition: color var(--transition);
}

.footer-nav-links a:hover {
  color: #fff;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: #A5A39D;
  font-weight: 300;
  line-height: 1.6;
}

.footer-contact-item i {
  color: var(--accent);
  margin-top: 4px;
  width: 16px;
  text-align: center;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 13px;
  color: #6F6B64;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom a {
  color: #6F6B64;
}

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

@media screen and (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media screen and (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ===== 浮动 CTA ===== */
.float-cta {
  position: fixed;
  right: 32px;
  bottom: 32px;
  z-index: 900;
  background: var(--primary);
  color: #fff;
  border-radius: 100px;
  padding: 14px 28px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-float);
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition);
  border: 1px solid rgba(255,255,255,0.2);
}

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

.float-cta:hover {
  transform: translateY(-2px);
  background: var(--primary-dark);
  box-shadow: 0 8px 24px rgba(28,28,26,0.24);
}

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

@media screen and (max-width: 640px) {
  .float-cta {
    width: 52px;
    height: 52px;
    padding: 0;
    justify-content: center;
    border-radius: 50%;
    right: 16px;
    bottom: 16px;
  }
  .float-cta span {
    display: none;
  }
}

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

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 焦点可访问性 ===== */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ===== 响应式导航断点 ===== */
@media screen and (max-width: 1024px) {
  .site-nav {
    display: none;
  }
  .nav-cta {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .site-header,
  .header-inner {
    height: 60px;
  }
  .mobile-nav {
    top: 60px;
  }
}

@media screen and (min-width: 1025px) {
  .mobile-nav {
    display: none !important;
  }
}

/* ===== Foundation 默认味道覆写 ===== */
.grid-container {
  max-width: var(--container-max);
}

.cell {
  margin-bottom: 0;
}

/* ===== 区块分隔 ===== */
.divider-line {
  width: 100%;
  height: 1px;
  background: var(--border);
  border: none;
  margin: 0;
}

/* roulang page: article */
:root {
  --primary: #2E5F4B;
  --primary-dark: #22483A;
  --primary-soft: rgba(46, 95, 75, 0.06);
  --accent: #C08A3E;
  --accent-dark: #9A6E2A;
  --bg: #FAF9F6;
  --bg-alt: #F1EDE7;
  --ink: #1C1C1A;
  --text: #33332F;
  --text-muted: #8A857D;
  --border: #E6E1D9;
  --font-sans: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-serif: Georgia, "Songti SC", "STSong", serif;
  --radius-sm: 4px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 8px 24px rgba(28, 28, 26, 0.06);
  --transition: 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
  --header-h: 72px;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition), border-color var(--transition), background var(--transition); }
button, input, textarea { font-family: inherit; }
::selection { background: rgba(46, 95, 75, 0.12); color: var(--ink); }

.grid-container { max-width: 1200px; }

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: rgba(250, 249, 246, 0.93);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 24px;
}

.site-logo {
  font-size: 20px;
  font-weight: 500;
  color: var(--ink);
  display: inline-flex;
  align-items: baseline;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.logo-dot { color: var(--accent); padding: 0 2px; }
.logo-tag { font-size: 12px; color: var(--text-muted); letter-spacing: 0.05em; margin-left: 2px; }

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

.nav-link {
  font-size: 14px;
  color: var(--text);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  position: relative;
  letter-spacing: 0.02em;
  font-weight: 400;
}

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

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

.nav-cta { margin-left: 10px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  transition: transform var(--transition), opacity var(--transition);
  border-radius: 1px;
}

.nav-toggle.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(46, 95, 75, 0.25); }

.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary-soft); transform: translateY(-1px); }

.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15); }

.nav-mobile-cta { display: none; }

/* ========== Article Layout ========== */
.article-wrap { padding: 52px 0 80px; }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.breadcrumb a { color: var(--text-muted); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { opacity: 0.45; }
.breadcrumb .breadcrumb-current { color: var(--text); max-width: 320px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.article-head {
  max-width: 760px;
  margin-bottom: 44px;
}

.article-head h1 {
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin: 0 0 18px;
}

.article-summary {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
  margin: 0 0 26px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}

.article-meta span { display: inline-flex; align-items: center; gap: 7px; }
.article-meta i { color: var(--accent); font-size: 14px; width: 16px; text-align: center; }

.article-body {
  max-width: 720px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--text);
  word-wrap: break-word;
}

.article-body p { margin: 0 0 24px; }
.article-body h2 {
  font-size: 26px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.3;
  margin: 48px 0 16px;
  padding-top: 8px;
  letter-spacing: 0.01em;
}

.article-body h3 {
  font-size: 22px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.35;
  margin: 36px 0 12px;
}

.article-body img {
  border-radius: var(--radius-md);
  margin: 28px 0;
  width: 100%;
  height: auto;
}

.article-body blockquote {
  border-left: 3px solid var(--primary);
  background: var(--bg-alt);
  padding: 22px 26px;
  margin: 28px 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: #55524D;
  font-size: 16px;
  line-height: 1.85;
}

.article-body blockquote p:last-child { margin-bottom: 0; }

.article-body ul,
.article-body ol { padding-left: 22px; margin: 20px 0 28px; }
.article-body ul li { margin-bottom: 10px; }
.article-body ol li { margin-bottom: 10px; }
.article-body ul li::marker { color: var(--accent); }

.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(46, 95, 75, 0.3);
}

.article-body a:hover { text-decoration-color: var(--primary); color: var(--primary-dark); }

.article-body code {
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  font-size: 14px;
  color: var(--primary-dark);
}

.article-body pre {
  background: var(--ink);
  color: #E9E6DF;
  padding: 24px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 28px 0;
  font-size: 14px;
  line-height: 1.7;
}

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

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 15px;
}

.article-body th,
.article-body td { border: 1px solid var(--border); padding: 12px 14px; text-align: left; }
.article-body th { background: var(--bg-alt); font-weight: 500; color: var(--ink); }

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

.article-tags {
  max-width: 720px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.tag {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  color: var(--primary);
  border: 1px solid rgba(46, 95, 75, 0.3);
  border-radius: 100px;
  padding: 4px 14px;
  letter-spacing: 0.02em;
  line-height: 1.4;
  transition: all var(--transition);
}

.tag:hover { border-color: var(--primary); background: var(--primary-soft); }

.article-actions {
  max-width: 720px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.back-link {
  font-size: 14px;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 400;
  transition: color var(--transition);
}

.back-link i { transition: transform var(--transition); }
.back-link:hover i { transform: translateX(-4px); }
.back-link:hover { color: var(--primary-dark); }

.share-icons { display: inline-flex; gap: 8px; }
.share-icons .share-label { font-size: 13px; color: var(--text-muted); display: inline-flex; align-items: center; margin-right: 6px; }

.share-icons i {
  display: inline-flex;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-muted);
  cursor: default;
  transition: all var(--transition);
}

.share-icons i:hover { border-color: var(--primary); color: var(--primary); }

/* ========== Empty State ========== */
.article-empty {
  padding: 64px 20px;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.empty-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--bg-alt);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.article-empty h1 {
  font-size: 28px;
  font-weight: 400;
  color: var(--ink);
  margin: 0 0 10px;
}

.article-empty p { color: var(--text-muted); font-size: 15px; margin-bottom: 28px; }

/* ========== Related Section ========== */
.related-section {
  background: var(--bg-alt);
  padding: 80px 0;
  border-top: 1px solid var(--border);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 24px;
}

.section-head h2 {
  font-size: 30px;
  font-weight: 400;
  color: var(--ink);
  margin: 0 0 6px;
  letter-spacing: 0.01em;
}

.section-head p { color: var(--text-muted); font-size: 14px; margin: 0; }
.section-head .section-link { font-size: 14px; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.section-head .section-link i { transition: transform var(--transition); }
.section-head .section-link:hover i { transform: translateX(4px); }

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.related-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.related-card:hover {
  border-color: rgba(46, 95, 75, 0.4);
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.related-cover {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-alt);
}

.related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.related-card:hover .related-cover img { transform: scale(1.02); }

.related-info { padding: 20px 22px 22px; }

.related-info h3 {
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  margin: 0 0 14px;
  line-height: 1.4;
  transition: color var(--transition);
}

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

.related-date {
  font-size: 13px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-serif);
}

/* ========== CTA Band ========== */
.article-cta {
  background: var(--ink);
  padding: 64px 0;
  border-top: 1px solid #2C2C2A;
}

.article-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.article-cta-text h2 {
  color: #fff;
  font-size: 26px;
  font-weight: 400;
  margin: 0 0 8px;
  line-height: 1.3;
}

.article-cta-text p {
  color: #A5A39D;
  font-size: 14px;
  margin: 0;
  line-height: 1.7;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--ink);
  padding: 72px 0 0;
  color: #A5A39D;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid #2C2C2A;
}

.footer-brand .site-logo { color: #fff; }
.footer-brand .site-logo .logo-tag { color: #6F6B64; }

.footer-brand p {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: #A5A39D;
  max-width: 360px;
}

.footer-nav-title {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: #6F6B64;
  margin-bottom: 18px;
  text-transform: none;
}

.footer-nav-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav-links a { font-size: 14px; color: #A5A39D; transition: color var(--transition); }
.footer-nav-links a:hover { color: #fff; }

.footer-contact { display: flex; flex-direction: column; gap: 12px; }

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: #A5A39D;
  line-height: 1.5;
}

.footer-contact-item i { width: 16px; color: var(--accent); text-align: center; font-size: 14px; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding: 20px 0 24px;
  font-size: 13px;
  color: #6F6B64;
  flex-wrap: wrap;
  gap: 8px;
}

/* ========== Floating CTA ========== */
.float-cta {
  position: fixed;
  right: 32px;
  bottom: 32px;
  background: var(--primary);
  color: #fff;
  padding: 14px 28px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
  transition: all var(--transition);
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.02em;
}

.float-cta.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.float-cta:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* ========== Focus ========== */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }

  .nav-cta { display: none; }

  .nav-toggle { display: flex; }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    width: 100%;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 8px 24px 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

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

  .site-nav .nav-link { padding: 13px 16px; font-size: 15px; }
  .site-nav .nav-link.active::after { display: none; }
  .site-nav .nav-link.active { background: var(--primary-soft); }

  .nav-mobile-cta { display: block; padding: 16px 16px 4px; }
  .nav-mobile-cta .btn { width: 100%; }

  .article-wrap { padding: 32px 0 56px; }
  .breadcrumb { margin-bottom: 24px; }

  .article-head h1 { font-size: 28px; }

  .article-meta { gap: 14px; }
  .article-meta span { font-size: 13px; }

  .article-body { font-size: 16px; line-height: 1.85; }
  .article-body h2 { font-size: 22px; }
  .article-body h3 { font-size: 19px; }

  .related-section { padding: 56px 0; }
  .related-grid { grid-template-columns: 1fr; }

  .section-head h2 { font-size: 24px; }
  .section-head p { display: none; }

  .article-cta-inner { flex-direction: column; align-items: flex-start; }
  .article-cta-text h2 { font-size: 22px; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 4px; }

  .float-cta {
    width: 52px;
    height: 52px;
    padding: 0;
    border-radius: 50%;
    justify-content: center;
    right: 20px;
    bottom: 20px;
    font-size: 0;
  }

  .float-cta::after {
    content: "\f1d8";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  .site-logo { font-size: 18px; }
  .logo-tag { display: none; }

  .article-summary { font-size: 15px; }
  .article-actions { flex-direction: column; align-items: flex-start; }
  .share-icons { width: 100%; }
}

/* roulang page: category1 */
:root {
            --primary: #2E5F4B;
            --primary-dark: #22483A;
            --accent: #C08A3E;
            --bg: #FAF9F6;
            --bg-alt: #F1EDE7;
            --ink: #1C1C1A;
            --text: #33332F;
            --text-muted: #8A857D;
            --border: #E6E1D9;
            --radius-sm: 4px;
            --radius-img: 12px;
            --radius-card: 16px;
            --shadow-card: 0 8px 24px rgba(28, 28, 26, 0.06);
            --shadow-float: 0 4px 16px rgba(0, 0, 0, 0.18);
            --transition: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
            --font-sans: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-serif: Georgia, "Songti SC", "SimSun", serif;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 88px;
        }

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

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

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

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

        ul {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 400;
            line-height: 1.3;
            color: var(--ink);
        }

        .grid-container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .grid-x {
            display: flex;
            flex-wrap: wrap;
        }

        .grid-x>.cell {
            flex: 0 0 auto;
        }

        .grid-margin-x {
            margin-left: -12px;
            margin-right: -12px;
        }

        .grid-margin-x>.cell {
            padding-left: 12px;
            padding-right: 12px;
        }

        @media (max-width: 639px) {
            .cell {
                width: 100% !important;
            }
        }

        @media (min-width: 640px) and (max-width: 1023px) {
            .cell.medium-6 {
                width: 50%;
            }
        }

        @media (min-width: 1024px) {
            .cell.large-4 {
                width: 33.3333%;
            }
            .cell.large-5 {
                width: 41.6667%;
            }
            .cell.large-7 {
                width: 58.3333%;
            }
            .cell.large-10 {
                width: 83.3333%;
            }
        }

        .section {
            padding: 96px 0;
        }

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

        .section-head h2 {
            font-size: 32px;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

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

        .section-kicker {
            font-size: 12px;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            color: var(--accent);
            font-weight: 500;
            margin-bottom: 10px;
            display: block;
        }

        @media (max-width: 640px) {
            .section {
                padding: 56px 0;
            }
            .section-head {
                margin-bottom: 36px;
            }
            .section-head h2 {
                font-size: 26px;
            }
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            line-height: 1.4;
            transition: var(--transition);
            cursor: pointer;
            border: 1px solid transparent;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }

        .btn-light {
            background: #fff;
            color: var(--ink);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.14);
        }

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

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 500;
            font-size: 15px;
            transition: var(--transition);
        }

        .text-link i {
            transition: transform 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
        }

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

        .text-link:hover i {
            transform: translateX(4px);
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: 72px;
            background: rgba(250, 249, 246, 0.93);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .site-logo {
            display: inline-flex;
            align-items: baseline;
            font-size: 22px;
            font-weight: 500;
            color: var(--ink);
            white-space: nowrap;
        }

        .logo-dot {
            color: var(--accent);
            margin: 0 4px;
            font-family: var(--font-serif);
        }

        .logo-tag {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 400;
        }

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

        .nav-link {
            position: relative;
            padding: 8px 2px;
            font-size: 15px;
            color: var(--text);
            letter-spacing: 0.02em;
            display: inline-block;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
        }

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

        .nav-link:hover::after {
            transform: scaleX(0.4);
        }

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

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

        .nav-cta {
            padding: 10px 24px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--ink);
            margin: 4px 0;
            transition: var(--transition);
        }

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

        .nav-toggle.is-active span:nth-child(2) {
            opacity: 0;
        }

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

        .float-cta {
            position: fixed;
            right: 28px;
            bottom: 28px;
            z-index: 90;
            padding: 14px 28px;
            background: var(--primary);
            color: #fff;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 500;
            box-shadow: var(--shadow-float);
            opacity: 0;
            transform: translateY(12px);
            pointer-events: none;
            transition: var(--transition);
        }

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

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

        .category-hero {
            position: relative;
            padding: 140px 0 72px;
            background: var(--bg);
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }

        .category-hero .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center 30% / cover no-repeat;
            opacity: 0.16;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(250, 249, 246, 0.97) 0%, rgba(250, 249, 246, 0.78) 46%, rgba(250, 249, 246, 0.97) 100%);
            pointer-events: none;
        }

        .breadcrumb {
            position: relative;
            z-index: 1;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 28px;
            display: flex;
            gap: 8px;
            align-items: center;
        }

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

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

        .category-hero h1 {
            position: relative;
            z-index: 1;
            font-size: clamp(2.25rem, 4vw, 3rem);
            font-weight: 300;
            color: var(--ink);
            line-height: 1.2;
            margin-bottom: 20px;
            max-width: 720px;
        }

        .hero-lead {
            position: relative;
            z-index: 1;
            font-size: 18px;
            line-height: 1.9;
            color: var(--text-muted);
            max-width: 680px;
        }

        .hero-meta {
            position: relative;
            z-index: 1;
            margin-top: 28px;
            font-size: 13px;
            color: var(--primary);
            letter-spacing: 0.05em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-scroll {
            position: relative;
            z-index: 1;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 36px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .hero-scroll i {
            transition: transform 0.3s;
            font-size: 12px;
        }

        .hero-scroll:hover {
            color: var(--primary);
        }

        .hero-scroll:hover i {
            transform: translateY(3px);
        }

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

        .service-card {
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            background: #fff;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            transform: translateY(-4px);
            border-color: rgba(46, 95, 75, 0.4);
            box-shadow: var(--shadow-card);
        }

        .card-media {
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-alt);
        }

        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.25, 0.1, 0.25, 1);
        }

        .service-card:hover .card-media img {
            transform: scale(1.02);
        }

        .card-body {
            padding: 28px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card-body h3 {
            font-size: 20px;
            margin-bottom: 10px;
            font-weight: 500;
        }

        .card-body p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            flex: 1;
            margin-bottom: 20px;
        }

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

        .build-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 64px;
            align-items: start;
        }

        .build-steps {
            display: flex;
            flex-direction: column;
        }

        .process-item {
            display: flex;
            gap: 28px;
            padding: 28px 0;
            border-bottom: 1px solid var(--border);
        }

        .process-item:first-child {
            padding-top: 0;
        }

        .process-item:last-child {
            border-bottom: none;
        }

        .process-num {
            font-family: var(--font-serif);
            font-size: 42px;
            font-weight: 400;
            color: var(--accent);
            line-height: 1;
            min-width: 64px;
        }

        .process-info h3 {
            font-size: 20px;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .process-info p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .build-cap {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 36px;
            position: sticky;
            top: 96px;
        }

        .build-cap h3 {
            font-size: 20px;
            margin-bottom: 20px;
            font-weight: 500;
        }

        .cap-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .cap-list li {
            display: flex;
            gap: 12px;
            font-size: 15px;
            color: var(--text);
            line-height: 1.7;
        }

        .cap-list li i {
            color: var(--primary);
            margin-top: 5px;
            font-size: 14px;
        }

        .build-cap .text-link {
            margin-top: 24px;
        }

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

        .faq-list {
            max-width: 880px;
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 24px;
            background: none;
            border: none;
            padding: 28px 0;
            font-size: 20px;
            font-weight: 400;
            color: var(--ink);
            text-align: left;
            cursor: pointer;
            transition: color 0.3s;
            font-family: var(--font-sans);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border: 1px solid var(--border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 300;
            transition: transform 0.3s, color 0.3s, border-color 0.3s;
            color: var(--text-muted);
            line-height: 1;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
            border-color: var(--primary);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding: 0;
        }

        .faq-answer p {
            padding-bottom: 28px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 760px;
        }

        .section-cta {
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
            padding: 96px 0;
        }

        .section-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.12;
        }

        .section-cta .grid-container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .section-cta h2 {
            color: #fff;
            font-size: 34px;
            font-weight: 300;
            margin-bottom: 16px;
        }

        .section-cta p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            margin-bottom: 32px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.8;
        }

        .site-footer {
            background: var(--ink);
            color: #A5A39D;
            padding: 72px 0 0;
        }

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

        .footer-brand .site-logo {
            color: #fff;
        }

        .footer-brand .logo-tag {
            color: #A5A39D;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #A5A39D;
            margin-top: 16px;
            max-width: 300px;
        }

        .footer-nav-title {
            font-size: 14px;
            color: #fff;
            margin-bottom: 16px;
            font-weight: 500;
        }

        .footer-nav-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-nav-links a {
            font-size: 14px;
            color: #A5A39D;
        }

        .footer-nav-links a:hover {
            color: #fff;
        }

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

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: #A5A39D;
        }

        .footer-contact-item i {
            color: var(--accent);
            font-size: 14px;
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: #6F6B64;
            gap: 12px;
        }

        html.js .js-reveal {
            opacity: 0;
            transform: translateY(16px);
        }

        html.js .js-reveal.in-view {
            opacity: 1;
            transform: translateY(0);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        @media (max-width: 1024px) {
            .build-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .build-cap {
                position: static;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .grid-x>.cell {
                margin-bottom: 24px;
            }
        }

        @media (max-width: 767px) {
            .site-header {
                height: 60px;
            }
            .header-inner {
                height: 60px;
            }
            .nav-toggle {
                display: block;
            }
            .site-nav {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--bg);
                border-bottom: 1px solid var(--border);
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px 24px;
                gap: 4px;
                transform: translateY(-120%);
                transition: transform 0.3s ease;
                pointer-events: none;
                box-shadow: 0 12px 24px rgba(28, 28, 26, 0.06);
            }
            .site-nav.is-open {
                transform: translateY(0);
                pointer-events: auto;
            }
            .nav-link {
                display: block;
                padding: 12px 0;
                width: 100%;
                border-bottom: 1px solid var(--border);
                font-size: 16px;
            }
            .nav-link::after {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .category-hero {
                padding: 100px 0 56px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .hero-lead {
                font-size: 16px;
            }
            .process-item {
                gap: 16px;
                flex-direction: column;
            }
            .process-num {
                min-width: 0;
                font-size: 36px;
            }
            .faq-question {
                font-size: 17px;
                padding: 20px 0;
            }
            .faq-icon {
                width: 22px;
                height: 22px;
            }
            .section-cta {
                padding: 64px 0;
            }
            .section-cta h2 {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 40px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .float-cta {
                right: 16px;
                bottom: 16px;
                width: 52px;
                height: 52px;
                padding: 0;
                border-radius: 50%;
                justify-content: center;
                font-size: 0;
            }
            .float-cta::before {
                content: '\f078';
                font-family: "Font Awesome 6 Free";
                font-weight: 900;
                font-size: 16px;
            }
        }

        @media (max-width: 480px) {
            .hero-lead {
                font-size: 15px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .card-body {
                padding: 20px;
            }
            .build-cap {
                padding: 24px;
            }
        }

/* roulang page: category2 */
/* ==========================================================
           九游网站 · 九游内容运营分类页 自定义视觉系统
           ========================================================== */
        :root {
            --primary: #2E5F4B;
            --primary-dark: #22483A;
            --accent: #C08A3E;
            --bg: #FAF9F6;
            --bg-alt: #F1EDE7;
            --ink: #1C1C1A;
            --text: #33332F;
            --text-muted: #8A857D;
            --border: #E6E1D9;
            --radius-sm: 4px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 8px 24px rgba(28, 28, 26, 0.06);
            --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
            --space-section: 112px;
            --font-sans: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --font-serif: Georgia, "Songti SC", "SimSun", serif;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 90px;
        }

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

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s var(--ease);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 2px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        .grid-container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ---------- 标题 ---------- */
        h1,
        h2,
        h3,
        h4 {
            font-weight: 400;
            line-height: 1.25;
            color: var(--text);
        }
        h1 {
            font-size: clamp(2.5rem, 5vw, 3.5rem);
            font-weight: 300;
            letter-spacing: 0.01em;
        }
        h2 {
            font-size: clamp(1.875rem, 3vw, 2.375rem);
            font-weight: 300;
            letter-spacing: 0.02em;
        }
        h3 {
            font-size: 1.375rem;
            font-weight: 400;
            letter-spacing: 0.01em;
        }

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

        .section-head {
            max-width: 640px;
            margin-bottom: 64px;
        }
        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-kicker {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            border: 1px solid rgba(46, 95, 75, 0.35);
            border-radius: 100px;
            padding: 4px 16px;
            margin-bottom: 20px;
        }
        .section-head h2 {
            margin-bottom: 16px;
        }
        .section-head p {
            color: var(--text-muted);
            font-size: 17px;
            line-height: 1.7;
        }

        /* ---------- 按钮 ---------- */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.02em;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            transition: all 0.3s var(--ease);
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: rgba(46, 95, 75, 0.06);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }
        .btn-light {
            background: #fff;
            color: var(--ink);
            border-color: #fff;
        }
        .btn-light:hover {
            background: var(--bg-alt);
            color: var(--ink);
            border-color: var(--bg-alt);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }
        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 500;
            font-size: 15px;
            padding: 12px 4px;
            background: transparent;
            border: none;
            text-decoration: none;
            transition: all 0.3s var(--ease);
        }
        .btn-text i {
            transition: transform 0.3s var(--ease);
            font-size: 14px;
        }
        .btn-text:hover {
            color: var(--primary-dark);
        }
        .btn-text:hover i {
            transform: translateX(4px);
        }

        /* ---------- Header / 导航 ---------- */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 72px;
            background: rgba(250, 249, 246, 0.93);
            -webkit-backdrop-filter: blur(8px);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow 0.3s var(--ease);
        }
        .site-header.scrolled {
            box-shadow: 0 1px 12px rgba(28, 28, 26, 0.05);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            position: relative;
        }

        .site-logo {
            font-size: 21px;
            font-weight: 400;
            color: var(--text);
            letter-spacing: 0.02em;
            display: inline-flex;
            align-items: center;
            text-decoration: none;
            white-space: nowrap;
        }
        .site-logo:hover {
            color: var(--primary);
        }
        .logo-dot {
            color: var(--accent);
            margin: 0 6px;
            font-weight: 300;
        }
        .logo-tag {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 300;
            letter-spacing: 0.05em;
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 36px;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
        }
        .nav-link {
            position: relative;
            font-size: 15px;
            color: var(--text);
            text-decoration: none;
            padding: 8px 2px;
            font-weight: 400;
            letter-spacing: 0.02em;
            transition: color 0.3s var(--ease);
        }
        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 2px;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s var(--ease);
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link:hover::after {
            width: 20px;
        }
        .nav-link.active {
            color: var(--primary);
        }
        .nav-link.active::after {
            width: 20px;
            background: var(--accent);
        }

        .nav-cta {
            padding: 8px 20px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: transparent;
            border: none;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            padding: 0;
            z-index: 1100;
        }
        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all 0.3s var(--ease);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ---------- Hero ---------- */
        .category-hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            padding: 120px 0 96px;
            background: var(--bg);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: right center;
            opacity: 0.12;
            z-index: 0;
        }
        .hero-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, var(--bg) 40%, transparent 100%);
        }
        .category-hero .grid-container {
            position: relative;
            z-index: 1;
        }
        .hero-eyebrow {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.08em;
            color: var(--accent);
            margin-bottom: 24px;
            text-transform: uppercase;
        }
        .category-hero h1 {
            margin-bottom: 24px;
            max-width: 620px;
            font-size: clamp(2.5rem, 4.5vw, 3.5rem);
        }
        .hero-subtitle {
            font-size: 17px;
            font-weight: 300;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 40px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
        }
        .hero-scroll {
            position: absolute;
            bottom: 36px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            z-index: 1;
        }
        .hero-scroll i {
            font-size: 12px;
            animation: scrollHint 2s infinite;
        }
        @keyframes scrollHint {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(6px);
            }
        }

        /* ---------- 核心能力（编号列表） ---------- */
        .services-section {
            border-top: 1px solid var(--border);
        }
        .services-list {
            display: flex;
            flex-direction: column;
        }
        .service-item {
            display: grid;
            grid-template-columns: 120px 1fr;
            gap: 32px;
            padding: 48px 0;
            border-bottom: 1px solid var(--border);
            transition: background 0.3s var(--ease);
        }
        .service-item:first-child {
            border-top: 1px solid var(--border);
        }
        .service-item:hover {
            background: rgba(46, 95, 75, 0.02);
        }
        .service-num {
            font-family: var(--font-serif);
            font-size: 2.5rem;
            font-weight: 400;
            color: var(--accent);
            line-height: 1;
            padding-top: 4px;
        }
        .service-body h3 {
            margin-bottom: 12px;
            font-size: 1.5rem;
        }
        .service-body p {
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.8;
            max-width: 560px;
        }

        /* ---------- 运营流程 ---------- */
        .process-section {
            background: var(--bg-alt);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 24px;
        }
        .process-step {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            transition: all 0.3s var(--ease);
            position: relative;
        }
        .process-step:hover {
            border-color: rgba(46, 95, 75, 0.4);
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }
        .process-num {
            font-family: var(--font-serif);
            font-size: 1.875rem;
            color: var(--accent);
            margin-bottom: 16px;
            line-height: 1;
        }
        .process-step h3 {
            font-size: 1.125rem;
            margin-bottom: 10px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ---------- 适用场景 ---------- */
        .scenario-section {
            border-top: 1px solid var(--border);
        }
        .scenario-grid {
            row-gap: 32px;
        }
        .scenario-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all 0.3s var(--ease);
            height: 100%;
        }
        .scenario-card:hover {
            border-color: rgba(46, 95, 75, 0.4);
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }
        .scenario-img {
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-alt);
        }
        .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s var(--ease);
        }
        .scenario-card:hover .scenario-img img {
            transform: scale(1.02);
        }
        .scenario-info {
            padding: 24px 24px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .scenario-info h3 {
            margin-bottom: 10px;
            font-size: 1.125rem;
        }
        .scenario-info p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            text-decoration: none;
        }
        .card-link i {
            transition: transform 0.3s var(--ease);
            font-size: 12px;
        }
        .card-link:hover {
            color: var(--primary-dark);
        }
        .card-link:hover i {
            transform: translateX(4px);
        }

        /* ---------- 数据证据 ---------- */
        .proof-section {
            background: var(--ink);
            color: #fff;
        }
        .proof-inner {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 48px;
            text-align: center;
        }
        .proof-num {
            font-family: var(--font-serif);
            font-size: clamp(2.5rem, 4vw, 3.5rem);
            font-weight: 400;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .proof-label {
            font-size: 14px;
            color: #A5A39D;
            letter-spacing: 0.04em;
        }

        /* ---------- FAQ ---------- */
        .faq-section {
            border-top: 1px solid var(--border);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-list .accordion-item {
            background: transparent;
            border: none;
            border-top: 1px solid var(--border);
            border-radius: 0;
            margin: 0;
            list-style: none;
        }
        .faq-list .accordion-item:last-child {
            border-bottom: 1px solid var(--border);
        }
        .faq-list .accordion-title {
            background: transparent;
            border: none;
            color: var(--text);
            font-size: 1.25rem;
            font-weight: 400;
            line-height: 1.5;
            padding: 28px 56px 28px 0;
            position: relative;
            font-family: var(--font-sans);
            transition: color 0.3s var(--ease);
            display: block;
            text-decoration: none;
            user-select: none;
        }
        .faq-list .accordion-title:hover,
        .faq-list .accordion-item.is-active>.accordion-title {
            color: var(--primary);
            background: transparent;
        }
        .faq-list .accordion-title::before,
        .faq-list .accordion-title::after {
            display: none;
        }
        .faq-icon {
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 22px;
            height: 22px;
            border: 1px solid var(--border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 10px;
            color: var(--primary);
            transition: all 0.3s var(--ease);
        }
        .faq-icon i {
            transition: transform 0.3s var(--ease);
        }
        .accordion-item.is-active .faq-icon i {
            transform: rotate(45deg);
        }
        .accordion-item.is-active .faq-icon {
            border-color: var(--primary);
        }
        .faq-list .accordion-content {
            background: transparent;
            border: none;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
            padding: 0 56px 32px 0;
            font-family: var(--font-sans);
        }
        .faq-list .accordion-content p:last-child {
            margin-bottom: 0;
        }

        /* ---------- CTA 横幅 ---------- */
        .cta-banner {
            background: var(--primary-dark);
            padding: 96px 0;
            position: relative;
            overflow: hidden;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
        }
        .cta-inner {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        .cta-inner h2 {
            color: #fff;
            margin-bottom: 16px;
            font-size: clamp(1.875rem, 3vw, 2.5rem);
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 40px;
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: var(--ink);
            color: #A5A39D;
            padding: 72px 0 32px;
            font-size: 14px;
        }
        .site-footer .site-logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .site-logo:hover {
            color: var(--accent);
        }
        .site-footer .logo-dot {
            color: var(--accent);
        }
        .site-footer .logo-tag {
            color: #6F6B64;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 56px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand p {
            margin-top: 16px;
            color: #8A857D;
            font-size: 14px;
            line-height: 1.8;
            max-width: 340px;
        }
        .footer-nav-title {
            font-size: 14px;
            font-weight: 500;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }
        .footer-nav-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-nav-links a {
            color: #A5A39D;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s var(--ease);
        }
        .footer-nav-links a:hover {
            color: #fff;
        }
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #A5A39D;
            font-size: 14px;
            line-height: 1.5;
        }
        .footer-contact-item i {
            width: 16px;
            color: var(--accent);
            font-size: 14px;
            text-align: center;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 28px;
            color: #6F6B64;
            font-size: 13px;
            flex-wrap: wrap;
            gap: 12px;
        }

        /* ---------- 浮动 CTA ---------- */
        .floating-cta {
            position: fixed;
            bottom: 32px;
            right: 32px;
            z-index: 900;
            padding: 14px 24px;
            background: var(--primary);
            color: #fff;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 500;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            transition: all 0.3s var(--ease);
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
        }
        .floating-cta.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .floating-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.22);
        }

        /* ---------- 响应式 ---------- */
        @media screen and (max-width: 1024px) {
            .process-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .process-step:nth-child(4),
            .process-step:nth-child(5) {
                grid-column: auto;
            }
        }

        @media screen and (max-width: 880px) {
            .site-nav {
                position: fixed;
                top: 72px;
                right: 16px;
                left: 16px;
                background: #fff;
                border: 1px solid var(--border);
                border-radius: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 16px 24px;
                transform: translateX(0) translateY(-16px);
                opacity: 0;
                visibility: hidden;
                transition: all 0.3s var(--ease);
                z-index: 1050;
                box-shadow: 0 12px 32px rgba(28, 28, 26, 0.12);
            }
            .site-nav.open {
                opacity: 1;
                visibility: visible;
                transform: translateX(0) translateY(0);
            }
            .site-nav .nav-link {
                padding: 14px 0;
                border-bottom: 1px solid var(--border);
                font-size: 15px;
                display: block;
            }
            .site-nav .nav-link:last-of-type {
                border-bottom: none;
            }
            .site-nav .nav-link::after {
                display: none;
            }
            .site-nav .nav-link.active {
                color: var(--primary);
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .header-inner {
                height: 60px;
            }
            .site-header {
                height: 60px;
            }
        }

        @media screen and (max-width: 768px) {
            :root {
                --space-section: 72px;
            }
            .service-item {
                grid-template-columns: 64px 1fr;
                gap: 20px;
                padding: 36px 0;
            }
            .service-num {
                font-size: 1.75rem;
            }
            .process-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .proof-inner {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 40px;
                padding-bottom: 40px;
            }
            .footer-brand {
                max-width: 100%;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .faq-list .accordion-title {
                font-size: 1.125rem;
                padding: 24px 48px 24px 0;
            }
            .faq-list .accordion-content {
                padding: 0 48px 24px 0;
                font-size: 14px;
            }
            .cta-banner {
                padding: 72px 0;
            }
            .category-hero {
                min-height: 540px;
                padding: 100px 0 80px;
            }
            .section-head {
                margin-bottom: 40px;
            }
            .hero-actions {
                gap: 20px;
            }
        }

        @media screen and (max-width: 520px) {
            .grid-container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                row-gap: 20px;
            }
            .proof-inner {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .floating-cta {
                bottom: 20px;
                right: 20px;
                width: 52px;
                height: 52px;
                padding: 0;
                justify-content: center;
                border-radius: 50%;
                font-size: 0;
            }
            .floating-cta i {
                font-size: 18px;
            }
            .hero-scroll {
                bottom: 24px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .logo-tag {
                display: none;
            }
            .service-item {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 32px 0;
            }
            .service-num {
                font-size: 1.5rem;
            }
            .service-body h3 {
                font-size: 1.25rem;
            }
            .service-body p {
                font-size: 15px;
            }
            .section-head p {
                font-size: 15px;
            }
        }