/* ============================================
   运乐乐 · 天津聚运科技 - 全站样式
   设计语言：编辑式排版 + 暖琥珀色系 + 几何切割
   ============================================ */

/* ---------- 字体引入 ---------- */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,700;9..144,900&family=DM+Mono:wght@400;500&family=Noto+Serif+SC:wght@500;700;900&family=Noto+Sans+SC:wght@400;500;700&display=swap');

/* ---------- CSS 变量 ---------- */
:root {
  --c-amber: #E85D2F;       /* 主色：落日琥珀 */
  --c-amber-deep: #C4421A;  /* 深琥珀 */
  --c-amber-soft: #FBE7D8;  /* 浅琥珀 */
  --c-forest: #0F4C3A;      /* 副色：森林深绿 */
  --c-forest-soft: #E2EDE7; /* 浅森林 */
  --c-gold: #D4A24C;        /* 金粉 */
  --c-cream: #FBF6EC;       /* 米白底 */
  --c-cream-warm: #F5EDDF;  /* 暖米色 */
  --c-ink: #1A1410;         /* 墨黑 */
  --c-ink-soft: #4A3F35;    /* 软墨 */
  --c-gray: #8A7F73;        /* 大地灰 */
  --c-gray-light: #C9C0B4;  /* 浅大地灰 */
  --c-line: #E8DFD0;        /* 米色描边 */
  --c-white: #FFFFFF;

  --shadow-sm: 0 2px 12px rgba(26, 20, 16, 0.06);
  --shadow-md: 0 8px 32px rgba(26, 20, 16, 0.1);
  --shadow-amber: 0 12px 40px rgba(232, 93, 47, 0.18);

  --radius-sm: 4px;
  --radius: 6px;
  --radius-lg: 14px;

  --ease: cubic-bezier(0.32, 0.72, 0.24, 1);
  --transition: all 0.4s var(--ease);

  --font-display: 'Fraunces', 'Noto Serif SC', Georgia, serif;
  --font-body: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'DM Mono', 'Courier New', monospace;
}

/* ---------- 全局重置 ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--c-ink);
  background: var(--c-cream);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  /* 谷物纹理：超细噪点叠加 */
  background-image:
    radial-gradient(circle at 1px 1px, rgba(26, 20, 16, 0.025) 1px, transparent 0);
  background-size: 4px 4px;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; outline: none; font-family: inherit; background: none; }
::selection { background: var(--c-amber); color: var(--c-cream); }

/* ---------- 通用容器 ---------- */
.container { max-width: 1240px; margin: 0 auto; padding: 0 32px; }
.section { padding: 120px 0; position: relative; }

.section-title { margin-bottom: 64px; }
.section-title .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-amber);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.section-title .eyebrow::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--c-amber);
}
.section-title h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 4.6vw, 56px);
  line-height: 1.1;
  color: var(--c-ink);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.section-title h2 em {
  font-style: italic;
  color: var(--c-amber);
  font-weight: 500;
}
.section-title p {
  font-size: 17px;
  color: var(--c-ink-soft);
  max-width: 720px;
  line-height: 1.7;
}
.section-title.center { text-align: center; }
.section-title.center .eyebrow { justify-content: center; }
.section-title.center .eyebrow::after {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--c-amber);
}
.section-title.center p { margin: 0 auto; }

/* ---------- 顶部公告栏 ---------- */
.topbar {
  background: var(--c-ink);
  color: var(--c-cream);
  font-size: 13px;
  padding: 10px 0;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.topbar .marquee { display: flex; align-items: center; gap: 8px; color: var(--c-cream); }
.topbar .marquee .dot { width: 6px; height: 6px; background: var(--c-amber); border-radius: 50%; animation: pulse 2s infinite; }
.topbar .topbar-contact { display: flex; gap: 24px; color: rgba(251, 246, 236, 0.7); }
.topbar .topbar-contact a:hover { color: var(--c-amber); }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

/* ---------- 导航栏 ---------- */
.navbar {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(251, 246, 236, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.navbar.sticky { border-bottom-color: var(--c-line); box-shadow: 0 2px 24px rgba(26, 20, 16, 0.04); }
.navbar .container { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.navbar .logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 900;
  color: var(--c-ink);
  letter-spacing: -0.01em;
}
.navbar .logo .accent { color: var(--c-amber); font-style: italic; font-weight: 500; }
.navbar .logo .sub { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em; color: var(--c-gray); text-transform: uppercase; font-weight: 400; margin-left: 2px; }

.nav-links { display: flex; gap: 4px; align-items: center; }
.nav-links a {
  font-size: 14.5px;
  color: var(--c-ink-soft);
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 500;
  position: relative;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--c-amber); background: var(--c-amber-soft); }
.nav-links a.active { color: var(--c-cream); background: var(--c-ink); }

.nav-cta {
  margin-left: 16px;
  padding: 10px 22px;
  background: var(--c-amber);
  color: var(--c-cream);
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.nav-cta:hover { background: var(--c-amber-deep); transform: translateY(-1px); box-shadow: var(--shadow-amber); }

.hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--c-ink); transition: var(--transition); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-body);
  transition: var(--transition);
  cursor: pointer;
  letter-spacing: 0.01em;
}
.btn-primary { background: var(--c-amber); color: var(--c-cream); }
.btn-primary:hover { background: var(--c-amber-deep); transform: translateY(-2px); box-shadow: var(--shadow-amber); }
.btn-outline { background: transparent; color: var(--c-ink); border: 1.5px solid var(--c-ink); }
.btn-outline:hover { background: var(--c-ink); color: var(--c-cream); transform: translateY(-2px); }
.btn-ink { background: var(--c-ink); color: var(--c-cream); }
.btn-ink:hover { background: var(--c-amber); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--c-cream); border: 1.5px solid rgba(251, 246, 236, 0.4); }
.btn-ghost:hover { background: var(--c-cream); color: var(--c-ink); border-color: var(--c-cream); }
.btn-arrow::after { content: '→'; transition: transform 0.4s var(--ease); }
.btn-arrow:hover::after { transform: translateX(6px); }

/* ---------- Hero 主视觉 ---------- */
.hero {
  position: relative;
  min-height: 600px;
  padding: 0;
  overflow: hidden;
}
/* Hero 轮播 */
.hero-slider {
  position: relative;
  width: 100%;
  min-height: 600px;
}
.hero-slide {
  position: absolute;
  top: 0; left: 0;
  width: 100%; min-height: 600px;
  opacity: 0;
  transition: opacity 0.8s var(--ease);
  pointer-events: none;
}
.hero-slide.active {
  opacity: 1;
  z-index: 2;
  pointer-events: auto;
}
.hero-bg-img {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}
.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-gray-light);
  cursor: pointer;
  transition: var(--transition);
}
.hero-dot.active { background: var(--c-amber); transform: scale(1.3); }

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: var(--c-amber-soft);
  color: var(--c-amber-deep);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  margin-bottom: 32px;
  border: 1px solid rgba(232, 93, 47, 0.2);
}
.hero-tag .blob { width: 8px; height: 8px; background: var(--c-amber); border-radius: 50%; animation: pulse 1.6s infinite; }
.hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(44px, 6.5vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.035em;
  color: var(--c-ink);
  margin-bottom: 28px;
}
.hero h1 .ital { font-style: italic; font-weight: 500; color: var(--c-amber); }
.hero h1 .strike { position: relative; display: inline-block; }
.hero h1 .strike::after {
  content: '';
  position: absolute;
  left: -4px; right: -4px; top: 56%;
  height: 10px;
  background: var(--c-amber);
  z-index: -1;
  transform: rotate(-1deg);
  opacity: 0.85;
}
.hero-sub {
  font-size: 18px;
  color: var(--c-ink-soft);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 540px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 56px; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding-top: 36px;
  border-top: 1px solid var(--c-line);
  max-width: 600px;
}
.hero-stat .num { font-family: var(--font-display); font-weight: 900; font-size: 42px; color: var(--c-ink); line-height: 1; letter-spacing: -0.02em; }
.hero-stat .num em { font-style: italic; color: var(--c-amber); font-weight: 500; font-size: 28px; margin-left: 2px; }
.hero-stat .label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.15em; color: var(--c-gray); text-transform: uppercase; margin-top: 8px; }

/* Hero 视觉元素 */
.hero-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: visible;
}
.hero-visual .img-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-amber-soft);
  box-shadow: var(--shadow-md);
}
.hero-visual .img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.hero-visual::before {
  content: '';
  position: absolute;
  inset: -20px;
  border: 1px solid var(--c-amber);
  border-radius: var(--radius-lg);
  z-index: -1;
  transform: rotate(-2deg);
}
.hero-badge {
  position: absolute;
  bottom: -28px;
  left: -28px;
  background: var(--c-ink);
  color: var(--c-cream);
  padding: 22px 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  z-index: 3;
  max-width: 240px;
}
.hero-badge .num { font-family: var(--font-display); font-weight: 900; font-size: 38px; color: var(--c-amber); line-height: 1; }
.hero-badge .text { font-size: 12.5px; color: rgba(251, 246, 236, 0.8); margin-top: 6px; line-height: 1.5; letter-spacing: 0.02em; }

/* Hero 装饰文字 */
.hero-marquee {
  position: absolute;
  bottom: 24px;
  left: 0; right: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 13px;
  color: var(--c-gray);
  letter-spacing: 0.2em;
  white-space: nowrap;
  overflow: hidden;
}
.hero-marquee-track { display: inline-block; padding-left: 100%; animation: marquee 40s linear infinite; }
.hero-marquee span { margin: 0 32px; color: var(--c-amber); }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-100%); } }

/* ---------- 三张票核心区 ---------- */
.tickets {
  background: var(--c-ink);
  color: var(--c-cream);
  padding: 140px 0;
  position: relative;
  overflow: hidden;
}
.tickets::before {
  content: 'Three Tickets';
  position: absolute;
  top: 40px; right: -40px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 200px;
  color: rgba(251, 246, 236, 0.04);
  font-weight: 900;
  letter-spacing: -0.04em;
  pointer-events: none;
}
.tickets .section-title h2 { color: var(--c-cream); }
.tickets .section-title h2 em { color: var(--c-amber); }
.tickets .section-title p { color: rgba(251, 246, 236, 0.65); }

.tickets-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ticket-card {
  position: relative;
  padding: 36px 32px 36px;
  background: rgba(251, 246, 236, 0.03);
  border: 1px solid rgba(251, 246, 236, 0.12);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.ticket-card:hover { background: rgba(251, 246, 236, 0.06); border-color: var(--c-amber); transform: translateY(-6px); }
.ticket-num {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 80px;
  color: var(--c-amber);
  line-height: 0.9;
  margin-bottom: 4px;
}
.ticket-rate {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 4px 12px;
  background: var(--c-amber);
  color: var(--c-ink);
  border-radius: 999px;
  margin-bottom: 24px;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.ticket-card h3 { font-family: var(--font-display); font-weight: 700; font-size: 24px; color: var(--c-cream); margin-bottom: 16px; line-height: 1.3; }
.ticket-card .meta { font-size: 13.5px; color: var(--c-gold); font-family: var(--font-mono); letter-spacing: 0.05em; margin-bottom: 16px; padding-bottom: 16px; border-bottom: 1px dashed rgba(251, 246, 236, 0.15); }
.ticket-card p { font-size: 14.5px; color: rgba(251, 246, 236, 0.75); line-height: 1.75; }
.ticket-card .label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--c-amber); margin-bottom: 6px; display: block; }

.tickets-summary {
  margin-top: 56px;
  padding: 32px 40px;
  background: var(--c-amber);
  color: var(--c-ink);
  border-radius: var(--radius-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.tickets-summary .text { font-family: var(--font-display); font-size: 24px; font-weight: 700; line-height: 1.4; max-width: 600px; }
.tickets-summary .rate { font-family: var(--font-display); font-style: italic; font-weight: 900; font-size: 64px; color: var(--c-ink); line-height: 1; letter-spacing: -0.02em; }
.tickets-summary .rate em { font-style: normal; font-weight: 500; font-size: 20px; }

/* ---------- 数据展示带 ---------- */
.numbers {
  background: var(--c-amber);
  color: var(--c-ink);
  padding: 0;
  position: relative;
  border-top: 1px solid var(--c-amber-deep);
  border-bottom: 1px solid var(--c-amber-deep);
}
.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.number-item {
  padding: 56px 32px;
  border-right: 1px solid rgba(26, 20, 16, 0.12);
  position: relative;
  transition: var(--transition);
}
.number-item:last-child { border-right: none; }
.number-item:hover { background: var(--c-amber-deep); color: var(--c-cream); }
.number-item .label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: rgba(26, 20, 16, 0.6); margin-bottom: 16px; }
.number-item .num { font-family: var(--font-display); font-weight: 900; font-size: clamp(48px, 5vw, 72px); line-height: 1; letter-spacing: -0.03em; }
.number-item .num em { font-style: italic; font-weight: 500; font-size: 0.5em; margin-left: 4px; }
.number-item .desc { margin-top: 14px; font-size: 14px; line-height: 1.6; color: var(--c-ink-soft); }
.number-item:hover .desc { color: rgba(251, 246, 236, 0.8); }

/* ---------- 产品功能区 ---------- */
.features { background: var(--c-cream); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--c-line);
  border-left: 1px solid var(--c-line);
}
.feature-item {
  padding: 48px 36px 56px;
  border-right: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  background: var(--c-cream);
  position: relative;
  transition: var(--transition);
}
.feature-item:hover { background: var(--c-cream-warm); }
.feature-item .icon-wrap {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-amber-soft);
  border-radius: 14px;
  margin-bottom: 24px;
  font-size: 26px;
  color: var(--c-amber-deep);
  transition: var(--transition);
}
.feature-item:hover .icon-wrap { background: var(--c-amber); color: var(--c-cream); transform: rotate(-6deg) scale(1.05); }
.feature-item .index {
  position: absolute;
  top: 24px; right: 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-gray);
  letter-spacing: 0.1em;
}
.feature-item h3 { font-family: var(--font-display); font-weight: 700; font-size: 22px; color: var(--c-ink); margin-bottom: 12px; line-height: 1.3; }
.feature-item p { font-size: 14.5px; color: var(--c-ink-soft); line-height: 1.75; }

/* ---------- 合作模式（卡片） ---------- */
.modes { background: var(--c-cream-warm); }
.modes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.mode-card {
  background: var(--c-cream);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  border: 1px solid var(--c-line);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.mode-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--c-amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}
.mode-card:hover { transform: translateY(-8px); border-color: var(--c-amber); box-shadow: var(--shadow-md); }
.mode-card:hover::before { transform: scaleX(1); }
.mode-card.featured {
  background: var(--c-ink);
  color: var(--c-cream);
  border-color: var(--c-ink);
}
.mode-card.featured h3, .mode-card.featured .mode-num { color: var(--c-cream); }
.mode-card.featured .mode-target, .mode-card.featured .mode-features li { color: rgba(251, 246, 236, 0.78); }
.mode-card.featured .mode-features li::before { color: var(--c-amber); }
.mode-card.featured .mode-period { color: var(--c-gold); border-color: rgba(251, 246, 236, 0.2); }
.mode-card.featured::before { background: var(--c-amber); transform: scaleX(1); }
.mode-card .mode-num {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 20px;
  color: var(--c-amber);
  margin-bottom: 12px;
  display: flex; align-items: center; gap: 12px;
}
.mode-card .mode-num::after {
  content: '';
  flex: 1;
  height: 1px;
  background: currentColor;
  opacity: 0.3;
}
.mode-card h3 { font-family: var(--font-display); font-weight: 900; font-size: 28px; color: var(--c-ink); margin-bottom: 12px; line-height: 1.2; }
.mode-card .mode-target {
  font-size: 14px;
  color: var(--c-gray);
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px dashed var(--c-line);
  line-height: 1.7;
}
.mode-features { margin-bottom: 28px; }
.mode-features li { font-size: 14.5px; color: var(--c-ink-soft); padding: 7px 0 7px 22px; position: relative; line-height: 1.7; }
.mode-features li::before { content: '→'; position: absolute; left: 0; color: var(--c-amber); font-weight: 700; }
.mode-period {
  display: inline-block;
  padding: 8px 16px;
  background: var(--c-amber-soft);
  color: var(--c-amber-deep);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  border: 1px solid transparent;
}

/* ---------- 案例展示 ---------- */
.cases-section { background: var(--c-cream); }
.cases-grid-feature {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.case-card {
  background: var(--c-cream);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--c-line);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.case-card:hover { transform: translateY(-6px); border-color: var(--c-amber); box-shadow: var(--shadow-md); }
.case-cover {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--c-amber-soft);
}
.case-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.case-card:hover .case-cover img { transform: scale(1.06); }
.case-tag {
  position: absolute;
  top: 16px; left: 16px;
  background: var(--c-cream);
  color: var(--c-ink);
  padding: 5px 12px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  font-weight: 500;
}
.case-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.case-body h3 { font-family: var(--font-display); font-weight: 700; font-size: 22px; color: var(--c-ink); margin-bottom: 12px; }
.case-body p { font-size: 14.5px; color: var(--c-ink-soft); line-height: 1.75; margin-bottom: 20px; flex: 1; }
.case-stats { display: flex; gap: 24px; padding-top: 18px; border-top: 1px solid var(--c-line); }
.case-stat .num { font-family: var(--font-display); font-weight: 900; font-size: 24px; color: var(--c-amber); line-height: 1; }
.case-stat .lbl { font-family: var(--font-mono); font-size: 10px; color: var(--c-gray); letter-spacing: 0.1em; text-transform: uppercase; margin-top: 4px; }

/* ---------- 合作伙伴 ---------- */
.partners { background: var(--c-cream-warm); padding: 100px 0; }
.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.partner-cell {
  background: var(--c-cream);
  aspect-ratio: 1.4 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  transition: var(--transition);
  filter: grayscale(0.4);
}
.partner-cell:hover { background: var(--c-amber-soft); filter: grayscale(0); transform: scale(1.04); }
.partner-cell img { max-height: 50px; max-width: 100%; object-fit: contain; }
.partner-cell.partner-text {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--c-ink-soft);
  letter-spacing: 0.5px;
  text-align: center;
  filter: none;
}

/* ---------- CTA 引导带 ---------- */
.cta-band {
  background: var(--c-amber);
  color: var(--c-ink);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: 'YUNLELE × YUNLELE';
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: 280px;
  color: rgba(26, 20, 16, 0.05);
  white-space: nowrap;
  letter-spacing: -0.04em;
  pointer-events: none;
  z-index: 0;
}
.cta-band .container { position: relative; z-index: 1; text-align: center; }
.cta-band h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: var(--c-ink);
}
.cta-band h2 em { font-style: italic; font-weight: 500; }
.cta-band p { font-size: 17px; color: var(--c-ink-soft); margin-bottom: 36px; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-band .btn { font-size: 16px; padding: 18px 40px; }

/* ---------- Footer ---------- */
.footer {
  background: var(--c-ink);
  color: rgba(251, 246, 236, 0.7);
  padding: 80px 0 0;
  position: relative;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(251, 246, 236, 0.1);
}
.footer-brand .logo {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 900;
  color: var(--c-cream);
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}
.footer-brand .logo .accent { color: var(--c-amber); font-style: italic; font-weight: 500; }
.footer-brand .sub { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em; color: var(--c-gold); margin-bottom: 24px; text-transform: uppercase; }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-bottom: 24px; max-width: 360px; }
.footer-col h4 {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--c-cream);
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { font-size: 14px; color: rgba(251, 246, 236, 0.65); }
.footer-col ul li a:hover { color: var(--c-amber); padding-left: 4px; }
.footer-col p { font-size: 14px; line-height: 1.85; margin-bottom: 8px; color: rgba(251, 246, 236, 0.75); }
.footer-col .label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.15em; color: var(--c-gold); text-transform: uppercase; margin-bottom: 4px; display: block; }
.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
  color: rgba(251, 246, 236, 0.4);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  flex-wrap: wrap;
  gap: 16px;
}

/* ---------- 悬浮客服 ---------- */
.float-service { position: fixed; right: 28px; bottom: 110px; z-index: 999; }
.float-service-btn {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--c-amber);
  color: var(--c-cream);
  font-size: 24px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 30px rgba(232, 93, 47, 0.4);
  transition: var(--transition);
}
.float-service-btn:hover { transform: scale(1.08) rotate(8deg); background: var(--c-amber-deep); }
.float-service-panel {
  position: absolute; right: 0; bottom: 76px;
  background: var(--c-cream);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 16px;
  min-width: 240px;
  display: none;
  border: 1px solid var(--c-line);
}
.float-service-panel.active { display: block; }
.float-service-panel .service-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px;
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--c-ink);
  transition: var(--transition);
}
.float-service-panel .service-item:hover { background: var(--c-amber-soft); }
.float-service-panel .icon {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--c-amber-soft);
  color: var(--c-amber-deep);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}

.back-to-top {
  position: fixed; right: 28px; bottom: 36px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--c-cream);
  color: var(--c-ink);
  font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--c-line);
  box-shadow: var(--shadow-sm);
  opacity: 0; visibility: hidden;
  transition: var(--transition);
  z-index: 998;
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--c-ink); color: var(--c-cream); transform: translateY(-3px); }

/* ---------- 表单 ---------- */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; color: var(--c-ink); margin-bottom: 8px; font-weight: 500; font-family: var(--font-mono); letter-spacing: 0.05em; text-transform: uppercase; }
.form-group label .required { color: var(--c-amber); margin-left: 2px; }
.form-control {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  font-size: 15px;
  font-family: inherit;
  color: var(--c-ink);
  background: var(--c-cream);
  transition: var(--transition);
}
.form-control:focus { outline: none; border-color: var(--c-amber); box-shadow: 0 0 0 3px var(--c-amber-soft); }
textarea.form-control { resize: vertical; min-height: 120px; }
.form-error { font-size: 12px; color: var(--c-amber-deep); margin-top: 4px; display: none; }

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(26, 20, 16, 0.6);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center; justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal {
  background: var(--c-cream);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  max-width: 460px;
  width: 90%;
  text-align: center;
  position: relative;
  animation: modalIn 0.4s var(--ease);
}
@keyframes modalIn { from { opacity: 0; transform: translateY(-20px) scale(0.95); } to { opacity: 1; transform: translateY(0) scale(1); } }
.modal-icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--c-amber-soft);
  color: var(--c-amber);
  font-size: 36px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 24px;
}
.modal h3 { font-family: var(--font-display); font-size: 26px; font-weight: 700; color: var(--c-ink); margin-bottom: 12px; }
.modal p { font-size: 15px; color: var(--c-ink-soft); margin-bottom: 28px; }
.modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--c-line);
  color: var(--c-ink);
  font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.modal-close:hover { background: var(--c-amber); color: var(--c-cream); transform: rotate(90deg); }

/* ---------- 面包屑 ---------- */
.breadcrumb {
  padding: 24px 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-gray);
  letter-spacing: 0.05em;
}
.breadcrumb a { color: var(--c-gray); }
.breadcrumb a:hover { color: var(--c-amber); }
.breadcrumb span { margin: 0 10px; opacity: 0.5; }
.breadcrumb em { color: var(--c-ink); font-style: normal; }

/* ---------- 内页 Hero ---------- */
.page-hero {
  background: var(--c-cream);
  padding: 60px 0 80px;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: attr(data-decor);
  position: absolute;
  bottom: -80px; right: -40px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 240px;
  font-weight: 900;
  color: var(--c-amber-soft);
  pointer-events: none;
  letter-spacing: -0.04em;
  opacity: 0.6;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-amber);
  margin-bottom: 24px;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 5.5vw, 76px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--c-ink);
  max-width: 900px;
  margin-bottom: 24px;
}
.page-hero h1 em { font-style: italic; font-weight: 500; color: var(--c-amber); }
.page-hero .lead { font-size: 19px; color: var(--c-ink-soft); max-width: 760px; line-height: 1.65; }

/* ---------- 主要产品页 ---------- */
.products-intro {
  background: var(--c-cream);
  padding: 0 0 100px;
}
.products-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.products-intro-text h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 3.6vw, 44px);
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.products-intro-text h2 em { font-style: italic; color: var(--c-amber); font-weight: 500; }
.products-intro-text p { font-size: 16px; color: var(--c-ink-soft); line-height: 1.8; margin-bottom: 16px; }
.products-intro-list { margin-top: 28px; }
.products-intro-list li { font-size: 15px; color: var(--c-ink); padding: 14px 0; border-bottom: 1px solid var(--c-line); display: flex; gap: 14px; align-items: flex-start; }
.products-intro-list li::before { content: counter(item, decimal-leading-zero); counter-increment: item; font-family: var(--font-mono); font-size: 12px; color: var(--c-amber); font-weight: 600; padding-top: 4px; }
.products-intro-list { counter-reset: item; }
.products-intro-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/5;
}
.products-intro-img img { width: 100%; height: 100%; object-fit: cover; }
.products-intro-img::before {
  content: '';
  position: absolute;
  inset: -16px;
  border: 1px solid var(--c-amber);
  border-radius: var(--radius-lg);
  z-index: -1;
  transform: rotate(2deg);
}

/* ---------- 优势条 ---------- */
.advantages { background: var(--c-cream-warm); }
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.advantage-card {
  padding: 36px 32px;
  background: var(--c-cream);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  position: relative;
  transition: var(--transition);
}
.advantage-card:hover { transform: translateY(-4px); border-color: var(--c-amber); box-shadow: var(--shadow-sm); }
.advantage-card .num {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: 56px;
  color: var(--c-amber);
  line-height: 1;
  margin-bottom: 16px;
}
.advantage-card h3 { font-family: var(--font-display); font-weight: 700; font-size: 22px; color: var(--c-ink); margin-bottom: 12px; line-height: 1.3; }
.advantage-card p { font-size: 14.5px; color: var(--c-ink-soft); line-height: 1.75; }

/* ---------- 时间线（关于我们） ---------- */
.timeline-section { background: var(--c-cream); }
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding-left: 80px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 0; bottom: 0;
  width: 1px;
  background: var(--c-line);
}
.timeline-item {
  position: relative;
  padding-bottom: 48px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -64px; top: 8px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--c-amber);
  border: 3px solid var(--c-cream);
  box-shadow: 0 0 0 1px var(--c-amber);
}
.timeline-date {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: 36px;
  color: var(--c-ink);
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.timeline-date em { color: var(--c-amber); font-style: italic; }
.timeline-content {
  background: var(--c-cream-warm);
  border-radius: var(--radius);
  padding: 24px 28px;
  border-left: 3px solid var(--c-amber);
}
.timeline-content h3 { font-family: var(--font-display); font-weight: 700; font-size: 18px; color: var(--c-ink); margin-bottom: 8px; }
.timeline-content p { font-size: 14.5px; color: var(--c-ink-soft); line-height: 1.75; }

/* ---------- 关于我们：理念分栏 ---------- */
.about-text-block { background: var(--c-cream); }
.about-text-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}
.about-text-grid .col-left { position: sticky; top: 110px; }
.about-text-grid .col-left .quote {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 32px;
  line-height: 1.3;
  color: var(--c-ink);
  margin-bottom: 24px;
  position: relative;
  padding-left: 30px;
}
.about-text-grid .col-left .quote::before {
  content: '"';
  position: absolute;
  left: 0; top: -20px;
  font-size: 80px;
  color: var(--c-amber);
  font-weight: 900;
}
.about-text-grid .col-left .quote em { color: var(--c-amber); }
.about-text-grid .col-right p { font-size: 16px; color: var(--c-ink-soft); line-height: 1.85; margin-bottom: 20px; text-indent: 2em; }
.about-text-grid .col-right p:first-child::first-letter {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 64px;
  float: left;
  line-height: 1;
  margin-right: 12px;
  color: var(--c-amber);
}

/* ---------- 联系信息卡片 ---------- */
.contact-info { background: var(--c-cream-warm); }
.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.contact-card {
  background: var(--c-cream);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  border: 1px solid var(--c-line);
  text-align: left;
  transition: var(--transition);
}
.contact-card:hover { transform: translateY(-4px); border-color: var(--c-amber); }
.contact-card .label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em; color: var(--c-amber); text-transform: uppercase; margin-bottom: 16px; }
.contact-card .value { font-family: var(--font-display); font-weight: 700; font-size: 24px; color: var(--c-ink); line-height: 1.4; }
.contact-card .desc { font-size: 13px; color: var(--c-gray); margin-top: 8px; line-height: 1.6; }

/* ---------- 资讯列表 ---------- */
.news-section { background: var(--c-cream); }
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.news-card {
  background: var(--c-cream);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--c-line);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover { transform: translateY(-4px); border-color: var(--c-amber); box-shadow: var(--shadow-md); }
.news-cover { background: var(--c-amber-soft); }
.news-cover img { width: 100%; height: auto; display: block; transition: transform 0.6s var(--ease); }
.news-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.news-meta {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--c-gray);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.news-tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--c-amber-soft);
  color: var(--c-amber-deep);
  border-radius: 999px;
  font-weight: 600;
}
.news-card h3 { font-family: var(--font-display); font-weight: 700; font-size: 22px; line-height: 1.4; margin-bottom: 12px; }
.news-card h3 a { color: var(--c-ink); }
.news-card h3 a:hover { color: var(--c-amber); }
.news-card p { font-size: 14.5px; color: var(--c-ink-soft); line-height: 1.7; margin-bottom: 16px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1;
}
.news-read-more { font-family: var(--font-mono); font-size: 12px; color: var(--c-amber); font-weight: 600; letter-spacing: 0.05em; }
.news-read-more:hover { color: var(--c-amber-deep); }

.news-loading, .news-empty, .article-loading {
  text-align: center; padding: 80px 20px;
  color: var(--c-gray); font-size: 15px;
  font-family: var(--font-mono); letter-spacing: 0.05em;
  grid-column: 1 / -1;
}

.pagination {
  display: flex; justify-content: center; align-items: center; gap: 8px;
  margin-top: 56px; flex-wrap: wrap;
}
.page-link {
  display: inline-block;
  padding: 10px 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  font-family: var(--font-mono); font-size: 13px;
  color: var(--c-ink-soft);
  background: var(--c-cream);
  transition: var(--transition);
  letter-spacing: 0.05em;
}
.page-link:hover { border-color: var(--c-amber); color: var(--c-amber); }
.page-link.active { background: var(--c-ink); color: var(--c-cream); border-color: var(--c-ink); }

/* ---------- 文章详情 ---------- */
.article-section { background: var(--c-cream); padding: 60px 0 100px; }
.article-container { max-width: 820px; margin: 0 auto; }
.article-header { margin-bottom: 40px; padding-bottom: 32px; border-bottom: 1px solid var(--c-line); }
.article-header h1 {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(28px, 3.8vw, 44px);
  line-height: 1.2; letter-spacing: -0.02em;
  margin: 16px 0 20px;
  color: var(--c-ink);
}
.article-meta {
  display: flex; flex-wrap: wrap; gap: 20px;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--c-gray); letter-spacing: 0.05em;
}
.article-cover-img { margin-top: 36px; border-radius: var(--radius-lg); overflow: hidden; }
.article-cover-img img { width: 100%; height: auto; }
.article-content { font-size: 16px; line-height: 1.95; color: var(--c-ink-soft); }
.article-content p { margin-bottom: 22px; text-indent: 2em; }
.article-content h2 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 26px; color: var(--c-ink);
  margin: 44px 0 20px;
  padding-left: 16px;
  border-left: 4px solid var(--c-amber);
}
.article-content h3 { font-family: var(--font-display); font-weight: 700; font-size: 20px; color: var(--c-ink); margin: 28px 0 14px; }
.article-content ul, .article-content ol { margin: 16px 0 24px 2em; }
.article-content ul li { list-style: disc; margin-bottom: 8px; }
.article-content ol li { list-style: decimal; margin-bottom: 8px; }
.article-content strong { color: var(--c-ink); }
.article-content a { color: var(--c-amber); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--c-amber-deep); }
.article-content img { max-width: 100%; height: auto; border-radius: var(--radius); margin: 20px 0; }
.article-content blockquote {
  margin: 24px 0; padding: 20px 24px;
  background: var(--c-cream-warm);
  border-left: 4px solid var(--c-amber);
  font-style: italic;
  color: var(--c-ink-soft);
  border-radius: var(--radius);
}
.article-tags {
  margin: 40px 0; padding: 24px 0;
  border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line);
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
}
.article-tag-label { font-family: var(--font-mono); font-size: 11px; color: var(--c-gray); letter-spacing: 0.15em; text-transform: uppercase; margin-right: 8px; }
.article-tag {
  display: inline-block;
  padding: 5px 14px;
  background: var(--c-amber-soft);
  color: var(--c-amber-deep);
  border-radius: 999px;
  font-size: 12.5px;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}
.article-tag:hover { background: var(--c-amber); color: var(--c-cream); }
.article-related { margin: 40px 0; }
.article-related h3 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 22px; color: var(--c-ink);
  margin-bottom: 20px; padding-bottom: 10px;
  border-bottom: 2px solid var(--c-amber);
  display: inline-block;
}
.related-list { display: flex; flex-direction: column; gap: 10px; }
.related-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px;
  background: var(--c-cream-warm);
  border-radius: var(--radius);
  transition: var(--transition);
  border: 1px solid transparent;
}
.related-item:hover { border-color: var(--c-amber); transform: translateX(4px); }
.related-title { font-size: 14.5px; color: var(--c-ink); flex: 1; margin-right: 16px; }
.related-date { font-family: var(--font-mono); font-size: 12px; color: var(--c-gray); white-space: nowrap; }
.article-cta {
  text-align: center; padding: 40px;
  background: var(--c-amber-soft);
  border-radius: var(--radius-lg);
  margin-top: 40px;
}
.article-cta p { font-family: var(--font-display); font-size: 22px; font-weight: 700; color: var(--c-ink); margin-bottom: 20px; }
.article-not-found { text-align: center; padding: 100px 20px; }
.article-not-found h2 { font-family: var(--font-display); font-size: 32px; color: var(--c-ink); margin-bottom: 12px; }
.article-not-found p { color: var(--c-gray); margin-bottom: 24px; }

/* ---------- 案例过滤标签 ---------- */
.cases-filter {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 12px; margin: -16px 0 56px;
}
.filter-tag {
  display: inline-flex; align-items: center;
  padding: 10px 22px;
  background: transparent;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--c-ink-soft);
  cursor: pointer;
  transition: var(--transition);
}
.filter-tag:hover { border-color: var(--c-amber); color: var(--c-amber); }
.filter-tag.active {
  background: var(--c-ink);
  border-color: var(--c-ink);
  color: var(--c-cream);
}
.case-card { transition: opacity 0.35s var(--ease), transform var(--transition), border-color var(--transition), box-shadow var(--transition); }

/* ---------- 滚动渐显 ---------- */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 80px; }
  .hero-visual { max-width: 480px; margin: 0 auto; }
  .modes-grid, .cases-grid-feature, .features-grid, .advantages-grid, .contact-info-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .about-text-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-text-grid .col-left { position: static; }
  .products-intro-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .section { padding: 80px 0; }
  .topbar .container { flex-direction: column; gap: 8px; }
  .navbar .container { height: 64px; }
  .hamburger { display: flex; }
  .nav-links {
    position: fixed; top: 64px; left: 0; right: 0;
    flex-direction: column;
    background: var(--c-cream);
    border-bottom: 1px solid var(--c-line);
    padding: 16px 20px;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--ease);
  }
  .nav-links.active { max-height: 500px; padding: 16px 20px; }
  .nav-links a { width: 100%; padding: 14px 16px; border-radius: var(--radius); }
  .nav-cta { margin: 8px 0 0; width: 100%; justify-content: center; }
  .hero { min-height: 400px; }
  .hero-dots { bottom: 20px; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 24px; }
  .tickets-grid, .modes-grid, .cases-grid-feature, .features-grid, .advantages-grid, .news-grid, .contact-info-grid {
    grid-template-columns: 1fr;
  }
  .numbers-grid { grid-template-columns: 1fr 1fr; }
  .number-item { border-right: 1px solid rgba(26,20,16,0.12); border-bottom: 1px solid rgba(26,20,16,0.12); }
  .number-item:nth-child(2n) { border-right: none; }
  .number-item:nth-last-child(-n+2) { border-bottom: none; }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .tickets-summary { flex-direction: column; text-align: center; }
  .tickets-summary .text { text-align: center; }
  .timeline { padding-left: 60px; }
  .timeline::before { left: 20px; }
  .timeline-dot { left: -54px; }
  .timeline-date { font-size: 28px; }
  .footer-bottom { flex-direction: column; }
  .hero-badge { left: 0; bottom: -20px; padding: 16px 20px; }
  .hero-badge .num { font-size: 28px; }
  .page-hero h1 { font-size: 40px; }
  .page-hero::after { font-size: 140px; }
  .cta-band::before { font-size: 120px; }
}

@media (max-width: 480px) {
  html { font-size: 15px; }
  .section { padding: 60px 0; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .number-item { padding: 36px 20px; }
  .ticket-num { font-size: 60px; }
  .float-service { right: 16px; bottom: 90px; }
  .back-to-top { right: 16px; bottom: 24px; width: 40px; height: 40px; }
  .modal { padding: 32px 24px; }
}