/* ============================================
   SIRI 大豆创新研究院 — 主样式表
   视觉语言：绿韵黑土 · 豆生未来
   主色：深墨绿 #1B4D2E / 农业绿 #2E7D4A
   辅色：白色 #FFFFFF / 浅灰 #F5F5F3
============================================ */

/* ===== 本地字体（思源黑体 / 思源宋体，不依赖 Google Fonts） ===== */
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-display: swap;
  font-weight: 300;
  src: url('fonts/noto-sans-sc-latin-300.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url('fonts/noto-sans-sc-latin-400.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url('fonts/noto-sans-sc-latin-500.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src: url('fonts/noto-sans-sc-latin-700.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-display: swap;
  font-weight: 300;
  src: url('fonts/noto-sans-sc-chinese-simplified-300.woff2') format('woff2');
  unicode-range: U+3000-303F, U+3040-309F, U+30A0-30FF, U+3100-312F, U+31A0-31BF, U+31C0-31EF, U+3200-32FF, U+3300-33FF, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FE10-FE1F, U+FE30-FE4F, U+FF00-FFEF;
}
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url('fonts/noto-sans-sc-chinese-simplified-400.woff2') format('woff2');
  unicode-range: U+3000-303F, U+3040-309F, U+30A0-30FF, U+3100-312F, U+31A0-31BF, U+31C0-31EF, U+3200-32FF, U+3300-33FF, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FE10-FE1F, U+FE30-FE4F, U+FF00-FFEF;
}
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url('fonts/noto-sans-sc-chinese-simplified-500.woff2') format('woff2');
  unicode-range: U+3000-303F, U+3040-309F, U+30A0-30FF, U+3100-312F, U+31A0-31BF, U+31C0-31EF, U+3200-32FF, U+3300-33FF, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FE10-FE1F, U+FE30-FE4F, U+FF00-FFEF;
}
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src: url('fonts/noto-sans-sc-chinese-simplified-700.woff2') format('woff2');
  unicode-range: U+3000-303F, U+3040-309F, U+30A0-30FF, U+3100-312F, U+31A0-31BF, U+31C0-31EF, U+3200-32FF, U+3300-33FF, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FE10-FE1F, U+FE30-FE4F, U+FF00-FFEF;
}
@font-face {
  font-family: 'Noto Serif SC';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url('fonts/noto-serif-sc-latin-400.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Noto Serif SC';
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url('fonts/noto-serif-sc-latin-600.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Noto Serif SC';
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src: url('fonts/noto-serif-sc-latin-700.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Noto Serif SC';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url('fonts/noto-serif-sc-chinese-simplified-400.woff2') format('woff2');
  unicode-range: U+3000-303F, U+3040-309F, U+30A0-30FF, U+3100-312F, U+31A0-31BF, U+31C0-31EF, U+3200-32FF, U+3300-33FF, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FE10-FE1F, U+FE30-FE4F, U+FF00-FFEF;
}
@font-face {
  font-family: 'Noto Serif SC';
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url('fonts/noto-serif-sc-chinese-simplified-600.woff2') format('woff2');
  unicode-range: U+3000-303F, U+3040-309F, U+30A0-30FF, U+3100-312F, U+31A0-31BF, U+31C0-31EF, U+3200-32FF, U+3300-33FF, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FE10-FE1F, U+FE30-FE4F, U+FF00-FFEF;
}
@font-face {
  font-family: 'Noto Serif SC';
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src: url('fonts/noto-serif-sc-chinese-simplified-700.woff2') format('woff2');
  unicode-range: U+3000-303F, U+3040-309F, U+30A0-30FF, U+3100-312F, U+31A0-31BF, U+31C0-31EF, U+3200-32FF, U+3300-33FF, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FE10-FE1F, U+FE30-FE4F, U+FF00-FFEF;
}

/* ===== CSS 变量 ===== */
:root {
  --green-dark: #1B4D2E;
  --green-main: #2E7D4A;
  --green-light: #4CAF50;
  --green-pale: #EDF7EF;
  --white: #FFFFFF;
  --gray-50: #F8F8F6;
  --gray-100: #F0EFEC;
  --gray-200: #E0DFDB;
  --gray-400: #9E9C97;
  --gray-600: #5A5855;
  --gray-800: #1E2D24;
  --text-dark: #1A1918;
  --text-body: #3D3C39;
  --text-light: #7A7875;
  --shadow-sm: 0 1px 4px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.14);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --nav-h: 72px;
  --font-serif: 'Noto Serif SC', 'Songti SC', 'STSong', serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Helvetica Neue', sans-serif;
  --container: 1200px;
  --transition: .25s ease;
}

/* ===== 基础重置 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--text-body);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 32px; }
.section-pad { padding: 80px 0; }
.bg-light { background: var(--gray-50); }

/* ===== 章节标题 — 参考截图：两侧横线 + 中间叶子图标 ===== */
.section-title {
  font-family: var(--font-serif);
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--text-dark);
  text-align: center;
  margin-bottom: 12px;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.section-title::before,
.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--green-main) 50%, transparent);
}
.section-title::before { background: linear-gradient(90deg, transparent, var(--green-main)); }
.section-title::after { background: linear-gradient(90deg, var(--green-main), transparent); }
.section-title .title-left,
.section-title .title-right {
  letter-spacing: .08em;
}
.title-sprout {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  color: var(--green-main);
  opacity: .9;
}
/* 非 section-header 下的独立标题 — 居中 */
.quick-entry > .container > .section-title,
.highlights > .container > .section-title,
.partners > .container > .section-title,
.propaganda-section > .container > .section-title {
  display: flex;
  justify-content: center;
  width: 100%;
}

.section-desc {
  text-align: center;
  color: var(--text-light);
  max-width: 640px;
  margin: 0 auto 48px;
  font-size: .95rem;
  line-height: 1.8;
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}
.section-header .section-title {
  margin-bottom: 0;
}
.view-all {
  color: var(--green-main);
  font-size: .9rem;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}
.view-all:hover { color: var(--green-dark); letter-spacing: .02em; }
.section-header--light .section-title,
.section-desc--light { color: var(--white); }
.view-all--light { color: rgba(255,255,255,.92); }
.view-all--light:hover { color: var(--white); }

/* ===== 导航栏 ===== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: var(--green-dark);
  box-shadow: 0 2px 12px rgba(0,0,0,.25);
  transition: background var(--transition);
}
#navbar.scrolled { background: rgba(27,77,46,.97); box-shadow: 0 4px 20px rgba(0,0,0,.25); }
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 24px;
}
.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-area img,
.logo-img {
  height: 48px;
  width: 48px;
  object-fit: contain;
  background: var(--white);
  padding: 5px;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
}
.logo-text {
  display: flex;
  flex-direction: column;
}
.logo-cn {
  font-family: var(--font-serif);
  font-size: .95rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
  letter-spacing: .05em;
}
.logo-en {
  font-size: .65rem;
  color: rgba(255,255,255,.75);
  letter-spacing: .04em;
  line-height: 1.3;
}
.logo-en:empty {
  display: none;
}
.main-nav { flex: 1; display: flex; justify-content: center; min-width: 0; }
.main-nav > ul { display: flex; gap: 2px; align-items: center; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: block;
  padding: 8px 10px;
  color: rgba(255,255,255,.9);
  font-size: .95rem;
  font-weight: 400;
  letter-spacing: .02em;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: var(--transition);
  position: relative;
}
.main-nav > ul > li > a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%; right: 50%;
  height: 2px;
  background: var(--white);
  transition: left .2s ease, right .2s ease;
  border-radius: 2px;
}
.main-nav > ul > li > a:hover::after,
.main-nav > ul > li > a.active::after { left: 14px; right: 14px; }
.main-nav > ul > li > a:hover { color: var(--white); }
.main-nav > ul > li > a.active { color: var(--white); font-weight: 600; }

/* 下拉菜单 */
.has-dropdown > .dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 140px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-8px);
  transition: all .2s ease;
  z-index: 100;
}
.has-dropdown:hover > .dropdown {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown li a {
  display: block;
  padding: 9px 20px;
  color: var(--text-body);
  font-size: .98rem;
  transition: background var(--transition), color var(--transition);
}
.dropdown li a:hover { background: var(--green-pale); color: var(--green-main); }

/* 导航右侧 */
.nav-right { display: flex; align-items: center; justify-content: flex-end; min-width: 44px; flex-shrink: 0; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--nav-h));
  min-height: 720px;
  margin-top: var(--nav-h);
  overflow: hidden;
}
.hero-slider {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  width: 100%;
}
.slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  opacity: 0;
  pointer-events: none;
  z-index: 0;
  transition: opacity .8s ease;
}

/* 针对不同画面构图的锚点，确保16:9与超宽屏下关键画面不被裁掉 */
.slide--pos-top       { background-position: center 30%; }
.slide--pos-center    { background-position: center center; }
.slide--pos-left      { background-position: 35% center; }
.slide--pos-right     { background-position: 65% center; }
.slide--pos-bottom    { background-position: center 65%; }
.slide--pos-top-lawn  { background-position: center 38%; }

/* 超宽屏（21:9 等）进一步上移画面，避免建筑被底部裁切 */
@media (min-aspect-ratio: 2/1) {
  .slide--pos-top       { background-position: center 25%; }
  .slide--pos-center    { background-position: center 45%; }
  .slide--pos-left      { background-position: 35% 45%; }
  .slide--pos-right     { background-position: 65% 45%; }
  .slide--pos-bottom    { background-position: center 55%; }
  .slide--pos-top-lawn  { background-position: center 30%; }
}

/* 竖屏/窄屏恢复居中，避免过度偏移 */
@media (max-aspect-ratio: 3/4), (max-width: 768px) {
  .slide,
  .slide--pos-top,
  .slide--pos-center,
  .slide--pos-left,
  .slide--pos-right,
  .slide--pos-bottom,
  .slide--pos-top-lawn { background-position: center center; }
}
.slide.active { opacity: 1; pointer-events: auto; z-index: 2; }
.slide-overlay {
  position: absolute; inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(27,77,46,.55) 0%, rgba(46,125,74,.3) 55%, transparent 100%);
}
.slide-overlay--left {
  background: linear-gradient(to right, rgba(27,77,46,.72) 0%, rgba(46,125,74,.35) 45%, transparent 70%);
}
.slide-overlay--left-light {
  background: linear-gradient(to right, rgba(255,255,255,.55) 0%, rgba(255,255,255,.25) 40%, transparent 65%);
}
.slide-overlay--right-light {
  background: linear-gradient(to left, rgba(255,255,255,.55) 0%, rgba(255,255,255,.22) 40%, transparent 65%);
}
.slide-overlay--soft {
  background: linear-gradient(to top, rgba(255,255,255,.65) 0%, rgba(255,255,255,.2) 50%, transparent 72%);
}
.slide-overlay--lawn {
  background: linear-gradient(to top, rgba(27,77,46,.72) 0%, rgba(46,125,74,.25) 45%, transparent 70%);
}
.slide-overlay--lighten {
  background: linear-gradient(to bottom, rgba(230,245,235,.55) 0%, transparent 45%, rgba(27,77,46,.35) 100%);
}
.slide-overlay--top-soft {
  background: linear-gradient(to bottom, rgba(255,255,255,.55) 0%, rgba(255,255,255,.22) 40%, transparent 72%);
}
.slide-content {
  position: absolute;
  bottom: 18%;
  left: 8%;
  max-width: 580px;
  color: var(--white);
  z-index: 5;
  display: flex;
  flex-direction: column;
}
/* 不同位置的内容布局 */
.slide-content--top { top: 12%; bottom: auto; left: 8%; }
.slide-content--top-center { top: 14%; bottom: auto; left: 50%; transform: translateX(-50%); text-align: center; max-width: 720px; }
.slide-content--right { right: 8%; left: auto; bottom: 18%; text-align: right; }
.slide-content--left { left: 6%; max-width: 540px; bottom: 18%; }
.slide-content--center { left: 50%; transform: translateX(-50%); bottom: 18%; text-align: center; max-width: 600px; }
.slide-content--bottom-left { left: 6%; bottom: 16%; max-width: 560px; }
.slide-content--mid-left { left: 6%; bottom: 32%; max-width: 560px; }
.slide-content--mid-right { right: 6%; left: auto; bottom: 32%; max-width: 560px; text-align: right; }

/* 深色文字模式（用于浅亮背景图） */
.slide-content--ink { color: #0F2E1C; }
.slide-content--ink .hero-title { text-shadow: 0 1px 10px rgba(255,255,255,.6); }
.slide-content--light { color: var(--white); }

/* Hero 标题 — 宋体，大字 */
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 12px;
  letter-spacing: .08em;
  text-shadow: 0 2px 16px rgba(0,0,0,.35);
}
.hero-title--serif { font-family: var(--font-serif); }
.hero-title--vertical {
  writing-mode: vertical-rl;
  text-orientation: upright;
  display: inline-block;
  line-height: 1.6;
  letter-spacing: .12em;
  font-size: clamp(2rem, 4vw, 3.2rem);
}
.hero-title-line { display: block; writing-mode: horizontal-tb; margin-top: .3em; font-size: .55em; letter-spacing: .15em; }
.hero-title--emphasis { font-size: clamp(2.4rem, 5vw, 4rem); }
.hero-title--nowrap { white-space: nowrap; }
.hero-title--fit { font-size: clamp(2rem, 4vw, 3.2rem); white-space: nowrap; }
.hero-emphasis { color: var(--green-main); font-weight: 700; }
.hero-pretitle {
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--green-main);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.title-dot { color: var(--green-light); margin: 0 .15em; }

/* 标签行 */
.hero-tagline {
  display: inline-block;
  font-size: .82rem;
  color: rgba(255,255,255,.85);
  background: rgba(27,77,46,.55);
  padding: 3px 14px;
  border-radius: 20px;
  letter-spacing: .12em;
  margin-bottom: 18px;
  backdrop-filter: blur(4px);
}
.hero-tagline--ink {
  background: rgba(27,77,46,.12);
  color: rgba(15,46,28,.75);
  border: 1px solid rgba(27,77,46,.2);
}
.hero-tagline--green {
  background: rgba(255,255,255,.2);
  color: rgba(255,255,255,.9);
}

/* 深度阐释文字 */
.hero-desc {
  margin: 18px 0 28px;
  line-height: 1.85;
  font-size: .92rem;
  color: rgba(255,255,255,.88);
  text-shadow: 0 1px 6px rgba(0,0,0,.25);
}
.hero-desc p { margin-bottom: 6px; }
.hero-desc strong { color: #C8E6C9; font-weight: 600; }
.hero-desc--light { color: rgba(255,255,255,.95); }
.hero-desc--light strong { color: #fff; }
.hero-desc--ink {
  color: rgba(15,46,28,.78);
  text-shadow: 0 1px 6px rgba(255,255,255,.5);
}
.hero-desc--ink strong { color: var(--green-dark); font-weight: 700; }

/* 浅色标题（用于浅图背景） */
.hero-title--light { color: #fff; text-shadow: 0 2px 12px rgba(0,0,0,.35); }

.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 18px; position: relative; z-index: 6; }
.slide-content--mid-left { align-items: flex-start; }
.slide-content--mid-right { align-items: flex-end; }
.slide-content--top-center { align-items: center; }
.btn-primary {
  background: var(--green-main);
  color: var(--white);
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: .95rem;
  letter-spacing: .04em;
  transition: background var(--transition), transform var(--transition);
  box-shadow: 0 2px 12px rgba(46,125,74,.4);
}
.btn-primary:hover { background: var(--green-dark); transform: translateY(-2px); }
.btn-primary--green { background: var(--green-dark); }
.btn-primary--green:hover { background: #143D24; }
.btn-outline {
  border: 2px solid rgba(255,255,255,.8);
  color: var(--white);
  padding: 10px 28px;
  border-radius: var(--radius-sm);
  font-size: .95rem;
  transition: all var(--transition);
}
.btn-outline:hover { background: rgba(255,255,255,.15); border-color: var(--white); }
.btn-outline--ink {
  border-color: rgba(15,46,28,.4);
  color: #0F2E1C;
}
.btn-outline--ink:hover { background: rgba(27,77,46,.08); border-color: #0F2E1C; }
.btn-outline--green {
  border-color: rgba(255,255,255,.85);
  color: var(--white);
}
.btn-outline--green:hover { background: rgba(255,255,255,.15); border-color: var(--white); }

/* ===== 品牌水印（每张轮播图的角落） ===== */
.brand-watermark {
  position: absolute;
  z-index: 6;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(0,0,0,.35);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,.12);
}
.brand-wm-tl { top: 24px; left: 24px; }
.brand-wm-tr { top: 24px; right: 24px; }
.brand-wm-br { top: 24px; right: 24px; }
.brand-wm-bl { top: 24px; left: 24px; }
.wm-logo { height: 28px; width: 28px; background: var(--white); padding: 3px; border-radius: 50%; object-fit: contain; }
.wm-text {
  font-size: .65rem;
  color: rgba(255,255,255,.7);
  line-height: 1.4;
  letter-spacing: .03em;
}

/* ===== 总纲标语栏 ===== */
.hero-slogan-bar {
  position: relative;
  flex: 0 0 auto;
  z-index: 8;
  background: var(--green-dark);
  padding: 18px 40px;
  text-align: center;
  color: var(--white);
  border-top: none;
}

/* 轮播图与标语栏交界处的渐变蒙版，让图片更融入页面 */
.hero-slogan-bar::before {
  content: '';
  position: absolute;
  left: 0; right: 0;
  bottom: 100%;
  height: 120px;
  pointer-events: none;
  background: linear-gradient(
    to top,
    var(--green-dark) 0%,
    rgba(27,77,46,.85) 30%,
    rgba(27,77,46,.45) 60%,
    transparent 100%
  );
  z-index: -1;
}

/* 移动端适当减弱渐变高度 */
@media (max-width: 768px) {
  .hero-slogan-bar::before { height: 80px; }
  .slider-controls { bottom: 16px; gap: 12px; }
  .stats-bar--home-bottom { padding-top: 20px; padding-bottom: 28px; }
}
.slogan-main {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.2vw, 1.8rem);
  font-weight: 700;
  letter-spacing: .15em;
  margin-bottom: 4px;
  text-shadow: 0 2px 8px rgba(0,0,0,.3);
}
.slogan-sub {
  font-size: .8rem;
  color: rgba(255,255,255,.8);
  letter-spacing: .08em;
}
.slider-controls {
  position: absolute;
  bottom: 24px; left: 50%;
  transform: translateX(-50%);
  display: flex; align-items: center; gap: 16px;
  z-index: 10;
}
.slider-controls button {
  background: rgba(255,255,255,.25);
  border: none; cursor: pointer;
  color: var(--white);
  width: 36px; height: 36px;
  border-radius: 50%;
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.slider-controls button:hover { background: rgba(255,255,255,.5); }
.dots { display: flex; gap: 8px; }
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.5);
  cursor: pointer;
  transition: all var(--transition);
}
.dot.active { background: var(--white); width: 24px; border-radius: 4px; }

/* ===== 数据看板 ===== */
.stats-bar {
  position: relative;
  background-color: var(--green-dark);
  background-image: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M40 16c-10 0-18 8-18 17 0 6 4 11 9 14v4c0 .6.4 1 1 1s1-.4 1-1v-4c5-3 9-8 9-14 0-9-8-17-18-17z' fill='%23ffffff' fill-opacity='0.04'/%3E%3C/svg%3E");
  padding: 40px 0;
}
.stats-bar--home-bottom {
  padding-top: 26px;
  padding-bottom: 44px;
}
.stats-bar .container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}
.stat-item {
  text-align: center;
  padding: 0 56px;
  color: var(--white);
}
.stat-item--link {
  display: block;
  text-decoration: none;
  color: var(--white);
  border-radius: 12px;
  transition: transform var(--transition), background-color var(--transition), box-shadow var(--transition);
}
.stat-item--link:hover {
  transform: translateY(-2px);
  background: rgba(255,255,255,.05);
  box-shadow: 0 12px 30px rgba(0,0,0,.12);
}
.stat-item--link:focus-visible {
  outline: 2px solid rgba(255,255,255,.65);
  outline-offset: 4px;
}
.stat-item--link .stat-label,
.stat-item--link .stat-number {
  color: inherit;
}
.stat-number {
  display: block;
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: .9rem;
  color: rgba(255,255,255,.8);
  letter-spacing: .06em;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,.25);
  flex-shrink: 0;
}

/* ===== 快速入口 ===== */
.entry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.entry-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.entry-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--green-main);
  transform: scaleY(0);
  transition: transform var(--transition);
  transform-origin: bottom;
}
.entry-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: transparent; }
.entry-card:hover::before { transform: scaleY(1); }
.entry-card.highlight { background: var(--green-pale); border-color: rgba(46,125,74,.2); }
.entry-card.highlight::before { background: var(--green-main); transform: scaleY(1); }
.entry-icon {
  width: 48px; height: 48px;
  background: var(--green-pale);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.entry-icon svg { width: 24px; height: 24px; stroke: var(--green-main); }
.entry-card.highlight .entry-icon { background: rgba(46,125,74,.15); }
.entry-card h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}
.entry-card p {
  font-size: .88rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}
.entry-arrow {
  color: var(--green-main);
  font-size: 1rem;
  font-weight: 600;
  transition: transform var(--transition);
  display: inline-block;
}
.entry-card:hover .entry-arrow { transform: translateX(4px); }

/* ===== 新闻公告 ===== */
.news-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.news-featured { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-md); }
.news-img-wrap { position: relative; }
.news-img-wrap img { width: 100%; height: 240px; object-fit: cover; }
.news-tag {
  position: absolute;
  top: 12px; left: 12px;
  background: var(--green-main);
  color: var(--white);
  font-size: .75rem;
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 500;
}
.news-content { padding: 24px; background: var(--white); }
.news-content h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.5;
  color: var(--text-dark);
  margin-bottom: 12px;
}
.news-content p { font-size: .88rem; color: var(--text-light); line-height: 1.7; margin-bottom: 16px; }
.read-more { color: var(--green-main); font-size: .88rem; font-weight: 500; transition: var(--transition); }
.read-more:hover { color: var(--green-dark); }
.news-list { display: flex; flex-direction: column; gap: 0; }
.news-list-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--gray-300);
  transition: background var(--transition);
}
.news-list-item:last-child { border-bottom: none; }
.news-date-block {
  position: relative;
  flex-shrink: 0;
  width: 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 6px 0;
}
.news-date-block::after {
  content: '';
  position: absolute;
  right: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #e02020;
}
.date-day {
  font-size: 1.6rem;
  font-weight: 700;
  color: #e02020;
  line-height: 1;
  font-family: var(--font-sans);
}
.date-ym {
  font-size: .7rem;
  color: var(--text-light);
  font-style: italic;
  line-height: 1;
  letter-spacing: .02em;
}
.news-content .news-date-block {
  display: inline-flex;
  flex-direction: row;
  align-items: baseline;
  gap: 6px;
  width: auto;
  padding: 0;
  margin-bottom: 10px;
}
.news-content .news-date-block::after { display: none; }
.news-content .date-day { font-size: 1.2rem; }
.news-content .date-ym { font-size: .75rem; }
.tag-sm {
  display: inline-block;
  background: var(--gray-100);
  color: var(--gray-600);
  font-size: .72rem;
  padding: 2px 8px;
  border-radius: 3px;
  margin-bottom: 6px;
}
.news-list-item h4 {
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-dark);
  line-height: 1.5;
  transition: color var(--transition);
}
.news-list-item:hover h4 { color: var(--green-main); }

/* ===== 首页模块背景图 ===== */
.news-section,
.quick-entry {
  position: relative;
}
.news-section { background-color: var(--gray-50); }
.quick-entry { background-color: var(--white); }

/* 背景图通过 ::before 伪元素承载，黑白素描样式 */
.news-section::before,
.quick-entry::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  filter: grayscale(100%) contrast(200%) brightness(0.82);
}
.news-section::before { background-image: url('../images/hero-3.jpg'); }
.quick-entry::before { background-image: url('../images/hero-4.jpg'); }

/* 半透明遮罩层通过 ::after 承载 */
.news-section::after,
.quick-entry::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
}
.news-section::after { background: rgba(248,248,246,.94); }
.quick-entry::after { background: rgba(255,255,255,.93); }

.news-section .container,
.quick-entry .container { position: relative; z-index: 2; }

/* ===== 模块通用背景图 + 遮罩 ===== */
.section-bg-img {
  position: relative;
  overflow: hidden;
}
/* 背景图使用伪元素 + 素描滤镜：灰度 + 高对比度模拟手绘线条 */
.section-bg-img::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: var(--section-bg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: grayscale(100%) contrast(200%) brightness(0.82);
}
/* 不同色调的半透明遮罩，保证内容可读并区分相邻模块 */
.section-bg-img::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.propaganda-section::after {
  background: rgba(248,248,246,.94);
}
.highlights::after {
  background: rgba(255,255,255,.93);
}
.partners::after {
  background: rgba(248,248,246,.94);
}
.section-bg-img > .container {
  position: relative;
  z-index: 2;
}

/* 模块内阴影 — 创造视觉台阶，强化相邻模块边界 */
.section-bg-img {
  box-shadow: inset 0 8px 24px -12px rgba(0,0,0,.07), inset 0 -8px 24px -12px rgba(0,0,0,.07);
}

.achievement-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}
.achievement-card {
  display: block;
  background: rgba(255,255,255,.98);
  border: 1px solid rgba(255,255,255,.65);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.achievement-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(46,125,74,.22);
}
.achievement-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.achievement-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.achievement-card:hover .achievement-card-media img { transform: scale(1.04); }
.achievement-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(11,92,45,.9);
  color: var(--white);
  font-size: .75rem;
  letter-spacing: .03em;
}
.achievement-card-body { padding: 20px 20px 22px; }
.achievement-date {
  font-size: .78rem;
  color: var(--green-main);
  font-weight: 600;
  margin-bottom: 10px;
}
.achievement-card h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--text-dark);
  margin-bottom: 10px;
}
.achievement-card p {
  font-size: .88rem;
  color: var(--text-light);
  line-height: 1.75;
}

/* 模块间装饰性分隔线 */
.section-divider {
  height: 0;
  border: 0;
  margin: 0;
  padding: 0;
  position: relative;
  background: none;
}
.section-divider::after {
  content: '';
  display: block;
  height: 3px;
  margin: 0 auto;
  background: linear-gradient(90deg, transparent, var(--green-light) 20%, var(--green-main) 50%, var(--green-light) 80%, transparent);
  opacity: .35;
  max-width: 400px;
}

/* 带背景图的模块添加内阴影，形成视觉台阶 */
.news-section,
.quick-entry,
.section-bg-img {
  box-shadow: inset 0 8px 24px -12px rgba(0,0,0,.07), inset 0 -8px 24px -12px rgba(0,0,0,.07);
}
.propaganda-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  align-items: stretch;
}
.propaganda-grid--compact { margin-top: 48px; }
.prop-card {
  min-height: 240px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform .35s ease, box-shadow .35s ease;
  position: relative;
}
.prop-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.prop-card--featured,
.prop-card--wide {
  grid-column: span 2;
  min-height: 280px;
}
.prop-card--fill-last {
  grid-column: 2 / -1;
}
.prop-card--compact,
.prop-card--tall {
  min-height: 240px;
}

.prop-card-img {
  width: 100%;
  height: 100%;
  min-height: inherit;
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: flex-end;
}

.prop-card-overlay,
.prop-card-overlay--left,
.prop-card-overlay--right,
.prop-card-overlay--soft,
.prop-card-overlay--blue,
.prop-card-overlay--green {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7,16,12,.16) 0%, rgba(7,16,12,.08) 20%, rgba(7,16,12,0) 42%),
    linear-gradient(0deg, rgba(9,25,17,.92) 0%, rgba(12,36,24,.78) 36%, rgba(17,48,32,.38) 66%, rgba(17,48,32,.12) 100%);
  transition: opacity .3s ease, transform .3s ease;
}
.prop-card:hover .prop-card-overlay,
.prop-card:hover .prop-card-overlay--left,
.prop-card:hover .prop-card-overlay--right,
.prop-card:hover .prop-card-overlay--soft,
.prop-card:hover .prop-card-overlay--blue,
.prop-card:hover .prop-card-overlay--green {
  opacity: .96;
  transform: scale(1.01);
}

/* 品牌角标 */
.prop-brand-mark {
  position: absolute;
  top: 14px; right: 14px;
  z-index: 4;
  width: 36px; height: 36px;
  background: rgba(255,255,255,.92);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  padding: 5px;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
}
.prop-brand-mark img { width: 100%; height: 100%; object-fit: contain; }

/* 内容区域 */
.prop-card-inner {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
  min-height: 100%;
  padding: 22px 20px 20px;
  color: var(--white);
}
.prop-card-inner--left { text-align: left; align-self: flex-end; width: 100%; }
.prop-card-inner--right { text-align: left; margin-left: 0; max-width: none; }
.prop-card-inner--top { text-align: left; width: 100%; align-items: flex-start; align-self: flex-end; padding-top: 22px; }
.prop-card-inner--bottom { text-align: left; width: 100%; align-self: flex-end; }

/* 标签 */
.prop-label {
  display: inline-block;
  width: fit-content;
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.92);
  background: rgba(13,34,23,.34);
  backdrop-filter: blur(4px);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 2px;
}
.prop-label--outline {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.24);
  color: rgba(255,255,255,.96);
}
.prop-label--green {
  background: rgba(40,120,70,.5);
}

/* 口号 */
.prop-slogan {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1.55vw, 1.45rem);
  font-weight: 700;
  line-height: 1.42;
  margin-bottom: 0;
  letter-spacing: .04em;
  text-shadow: 0 2px 12px rgba(0,0,0,.38);
  line-clamp: 2;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.prop-card--featured .prop-slogan,
.prop-card--wide .prop-slogan {
  font-size: clamp(1.18rem, 1.8vw, 1.62rem);
}
.prop-slogan--dark { color: var(--white); text-shadow: 0 2px 12px rgba(0,0,0,.38); }
.prop-slogan-sub {
  font-size: .75em;
  font-weight: 400;
  opacity: .8;
  letter-spacing: .04em;
}
.prop-slogan-sub--dark { color: #2a4a38; opacity: .9; }

/* 摘要文字 */
.prop-excerpt {
  font-size: .82rem;
  line-height: 1.72;
  color: rgba(255,255,255,.84);
  margin-bottom: 0;
  line-clamp: 3;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.prop-card--featured .prop-excerpt,
.prop-card--wide .prop-excerpt {
  line-clamp: 4;
  -webkit-line-clamp: 4;
}
.prop-excerpt--dark { color: rgba(255,255,255,.84); }

/* 展开详情 */
.prop-detail {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,.2);
  font-size: .82rem;
  line-height: 1.7;
  color: rgba(255,255,255,.72);
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, opacity .3s ease;
  opacity: 0;
}
.prop-card:hover .prop-detail {
  max-height: 120px;
  opacity: 1;
}
.prop-detail--dark {
  border-color: rgba(26,25,24,.15);
  color: rgba(26,25,24,.68);
}
.building-gallery { margin-top: 48px; }
.gallery-main {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 12px;
  box-shadow: var(--shadow-md);
}
.gallery-main img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  transition: transform .4s ease;
}
.gallery-main:hover img { transform: scale(1.02); }
.gallery-thumbs { display: flex; gap: 12px; }
.thumb {
  flex: 1;
  height: 90px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  cursor: pointer;
  opacity: .7;
  transition: opacity var(--transition);
  border: 2px solid transparent;
}
.thumb:hover, .thumb.active { opacity: 1; border-color: var(--green-main); }

/* ===== 科研亮点 ===== */
.highlight-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.highlight-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
}
.highlight-card:hover { box-shadow: var(--shadow-md); border-color: rgba(46,125,74,.2); }
.hc-num {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(46,125,74,.12);
  line-height: 1;
  margin-bottom: 16px;
}
.highlight-card h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}
.highlight-card p { font-size: .85rem; color: var(--text-light); line-height: 1.7; }

/* ===== 合作伙伴 ===== */
.partners-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 48px;
}
.partner-item {
  padding: 14px 28px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: .9rem;
  color: var(--text-light);
  transition: all var(--transition);
}
.partner-item--static { cursor: default; }
.partner-item--static:hover { border-color: var(--gray-200); color: var(--text-light); box-shadow: none; }
.partner-item:hover { border-color: var(--green-main); color: var(--green-main); box-shadow: var(--shadow-sm); }

/* ===== Footer — 参考东农动科学院底部风格 ===== */
.footer {
  color: var(--white);
  background: var(--green-dark);
}

/* 快捷链接栏 — 白色横条 */
.fd-nav {
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0,0,0,.08);
}
.fd-nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  flex-wrap: wrap;
  gap: 8px;
}
.fd-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  color: var(--text-dark);
  font-size: .78rem;
  border-radius: 6px;
  transition: all .2s ease;
  white-space: nowrap;
}
.fd-nav-item:hover { background: var(--green-pale); color: var(--green-main); }
.fd-nav-icon { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; }
.fd-nav-icon--image {
  width: 40px;
  height: 40px;
}
.fd-nav-icon--image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* 友情链接行 */
.fd-links {
  background: var(--green-dark);
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.fd-links .container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px 12px;
  padding: 12px 32px;
}
.fd-links-title {
  font-size: .82rem;
  font-weight: 600;
  color: rgba(255,255,255,.9);
  white-space: nowrap;
}
.fd-links-list {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px 12px;
}
.fd-links-list a {
  font-size: .8rem;
  color: rgba(255,255,255,.65);
  transition: color .2s ease;
  line-height: 1.6;
}
.fd-link-static {
  font-size: .8rem;
  color: rgba(255,255,255,.65);
  line-height: 1.6;
}
.fd-links-list a:hover { color: var(--white); text-decoration: underline; }

/* 底部主信息区 — 青绿渐变背景 */
.fd-main {
  background: linear-gradient(95deg, #0A9A8A 0%, #0B7A5A 28%, #1B4D2E 62%, #143D24 100%);
  padding: 36px 0 32px;
}
.fd-main-inner {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: center;
  gap: 48px;
}

/* 左侧品牌 */
.fd-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}
.fd-brand img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  background: var(--white);
  border-radius: 50%;
  padding: 6px;
  box-shadow: 0 2px 12px rgba(0,0,0,.15);
  flex-shrink: 0;
}
.fd-brand-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.fd-brand-text span:first-child {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--white);
}
.fd-brand-text span:last-child {
  font-size: .7rem;
  color: rgba(255,255,255,.75);
  letter-spacing: .05em;
  text-transform: uppercase;
}

/* 中间二维码 */
.fd-qr {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}
.fd-qr-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.fd-qr-item svg {
  width: 88px;
  height: 88px;
  background: var(--white);
  border-radius: 4px;
  padding: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
}
.fd-qr-item span {
  font-size: .72rem;
  color: rgba(255,255,255,.85);
  text-align: center;
  line-height: 1.4;
}

/* 右侧联系信息 */
.fd-contact {
  text-align: right;
  font-size: .82rem;
  color: rgba(255,255,255,.8);
  line-height: 1.9;
}

/* 底部版权条 */
.fd-copyright {
  background: #0F2E1C;
  padding: 14px 0;
  text-align: center;
}
.fd-copyright p, .fd-copyright a {
  font-size: .75rem;
  color: rgba(255,255,255,.5);
  line-height: 1.6;
}
.fd-copyright a:hover { color: rgba(255,255,255,.75); }

/* ===== 按钮通用 ===== */
.btn-green {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green-main);
  color: var(--white);
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-weight: 500;
  letter-spacing: .03em;
  transition: all var(--transition);
  border: none; cursor: pointer;
  box-shadow: 0 2px 8px rgba(46,125,74,.3);
}
.btn-green:hover { background: var(--green-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(46,125,74,.4); }

/* ===== 页面内通用 ===== */
.page-hero {
  height: 280px;
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-main) 60%, #4CAF50 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  margin-top: var(--nav-h);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  z-index: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-hero h1,
.page-hero p,
.page-hero .breadcrumb,
.page-hero .category-head,
.page-hero .category-title,
.page-hero .article-breadcrumb {
  position: relative;
  z-index: 1;
}
.page-hero h1,
.page-hero .category-title {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--white);
  text-shadow: 0 2px 12px rgba(0,0,0,.35);
}
.page-hero p { color: rgba(255,255,255,.8); font-size: 1rem; }
.page-hero p:empty { display: none; }
.breadcrumb {
  font-size: .82rem;
  color: rgba(255,255,255,.6);
  margin-top: 16px;
}
.breadcrumb a { color: rgba(255,255,255,.7); }
.breadcrumb a:hover { color: var(--white); }

/* ===== 卡片 PI ===== */
.people-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.pi-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
  cursor: pointer;
}
.pi-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: transparent; }
.pi-card-media {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: var(--gray-100);
}
.pi-card-img {
  width: 100%; height: 100%;
  object-fit: cover;
  background: var(--gray-100);
  display: block;
  position: relative;
  z-index: 1;
}
.pi-card-avatar-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #DCEFE2, #EDF7EF);
  color: var(--green-dark);
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 700;
  opacity: 0;
  transition: opacity var(--transition);
}
.pi-card--avatar-fallback .pi-card-avatar-fallback {
  opacity: 1;
}
.pi-card--avatar-fallback .pi-card-img {
  opacity: 0;
}
.pi-card-body { padding: 16px; }
.pi-card-name {
  font-family: var(--font-serif);
  font-size: 1rem; font-weight: 700;
  color: var(--text-dark); margin-bottom: 4px;
}
.pi-card-title { font-size: .82rem; color: var(--text-light); margin-bottom: 10px; }
.pi-card-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.pi-card-tags--rich { gap: 8px; }
.pi-card-tags--rich p,
.pi-card-tags--rich li,
.pi-card-tags--rich span,
.pi-card-tags--rich a {
  margin: 0;
  font-size: .72rem;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--green-pale);
  color: var(--green-main);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.pi-card-tags--rich ul,
.pi-card-tags--rich ol {
  display: contents;
  margin: 0;
  padding: 0;
}
.tag {
  font-size: .72rem;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--green-pale);
  color: var(--green-main);
}

/* ===== Tab 筛选 ===== */
.filter-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.filter-tab {
  padding: 8px 20px;
  border-radius: 20px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  cursor: pointer;
  font-size: .9rem;
  color: var(--text-light);
  transition: all var(--transition);
}
.filter-tab.active, .filter-tab:hover {
  background: var(--green-main);
  color: var(--white);
  border-color: var(--green-main);
}

/* ===== 招聘卡片 ===== */
.job-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 16px;
  transition: all var(--transition);
}
.job-card:hover { box-shadow: var(--shadow-md); border-color: rgba(46,125,74,.2); }
.job-info h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem; font-weight: 700;
  color: var(--text-dark); margin-bottom: 8px;
}
.job-info p { font-size: .88rem; color: var(--text-light); line-height: 1.6; }
.job-meta { display: flex; gap: 12px; margin-top: 12px; flex-wrap: wrap; }
.job-badge {
  font-size: .75rem;
  padding: 3px 12px;
  border-radius: 3px;
  background: var(--gray-100);
  color: var(--gray-600);
}
.apply-btn {
  flex-shrink: 0;
  background: var(--green-main);
  color: var(--white);
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(46,125,74,.3);
}
.apply-btn:hover { background: var(--green-dark); transform: translateY(-1px); }

/* ===== 1920×1080 与传统16:9屏幕优化 ===== */
@media (min-width: 1600px) and (max-height: 1080px) {
  .hero { min-height: calc(100vh - var(--nav-h)); }
  .hero-slider { min-height: 0; }
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .entry-grid { grid-template-columns: repeat(2, 1fr); }
  .achievement-grid { grid-template-columns: repeat(2, 1fr); }
  .highlight-grid { grid-template-columns: repeat(2, 1fr); }
  .people-grid { grid-template-columns: repeat(3, 1fr); }
  .propaganda-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .prop-card--featured,
  .prop-card--wide,
  .prop-card--compact,
  .prop-card--tall { grid-column: span 1; }
  .brand-watermark { display: none; }
  .fd-main-inner { grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .fd-brand { justify-content: center; }
  .fd-contact { text-align: center; }
}
@media (max-width: 768px) {
  :root { --nav-h: 60px; }
  .nav-inner { padding: 0 16px; }
  .main-nav,
  #navbar .nav.w { display: none; }
  .main-nav.open,
  #navbar .nav.w.open {
    display: block !important;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--green-dark);
    padding: 16px;
    z-index: 999;
  }
  .main-nav.open ul,
  #navbar .nav.w.open > ul,
  #navbar .nav.w.open > ul.cl {
    display: flex !important;
    flex-direction: column;
    gap: 0;
  }
  .main-nav.open ul li a,
  #navbar .nav.w.open > ul.cl > li > a {
    padding: 12px 16px;
    color: var(--white) !important;
    display: block;
    border-bottom: 1px solid rgba(255,255,255,.1);
  }
  .main-nav.open .dropdown,
  #navbar .nav.w.open > ul.cl > li > ul {
    opacity: 1 !important;
    visibility: visible !important;
    display: block !important;
    position: static !important;
    left: auto !important;
    top: auto !important;
    min-width: 0 !important;
    padding: 0 0 8px 12px !important;
    background: transparent !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    transform: none !important;
  }
  .main-nav.open .dropdown li a,
  #navbar .nav.w.open > ul.cl > li > ul > li > a {
    padding: 10px 16px;
    color: rgba(255,255,255,.82) !important;
    border-bottom: 1px solid rgba(255,255,255,.08);
    background: transparent !important;
  }
  .hamburger { display: flex; }
  .logo-cn { font-size: .82rem; }
  .logo-en { display: none; }
  .hero-title { font-size: 1.8rem; }
  .hero-title--nowrap { white-space: normal; }
  .hero-title--fit { white-space: normal; font-size: 1.7rem; }
  .hero-slogan-bar { padding: 20px 20px 14px; }
  .slogan-main { font-size: 1.15rem; letter-spacing: .08em; }
  .slogan-sub { font-size: .72rem; }
  .slider-controls { bottom: 16px; }
  .slide-content--center { transform: translateX(-50%); left: 5%; right: 5%; max-width: none; }
  .slide-content--right { left: 5%; right: auto; max-width: calc(100% - 40px); }
  .slide-content--left { left: 5%; max-width: calc(100% - 40px); }
  .slide-content--top { left: 5%; top: 6%; max-width: calc(100% - 40px); }
  .hero-desc { font-size: .84rem; margin: 12px 0 20px; }
  .stats-bar .container { flex-direction: column; gap: 24px; }
  .stat-divider { display: none; }
  .entry-grid { grid-template-columns: 1fr; }
  .news-layout { grid-template-columns: 1fr; }
  .section-header { flex-direction: column; gap: 14px; align-items: flex-start; }
  .achievement-grid { grid-template-columns: 1fr; }
  .highlight-grid { grid-template-columns: 1fr; }
  .people-grid { grid-template-columns: repeat(2, 1fr); }
  .container { padding: 0 16px; }
  .section-pad { padding: 48px 0; }
  .section-title { font-size: 1.6rem; }
  .fd-links { display: none; }
  .fd-nav-inner { justify-content: center; gap: 6px; }
  .fd-nav-item { padding: 6px 12px; font-size: .7rem; }
  .fd-nav-icon svg { width: 22px; height: 22px; }
  .fd-main { padding: 32px 0; }
  .fd-main-inner { gap: 28px; }
  .fd-brand { flex-direction: column; gap: 12px; }
  .fd-brand img { width: 60px; height: 60px; }
  .fd-brand-text span:first-child { font-size: 1rem; }
  .gallery-thumbs { flex-wrap: wrap; }
  .job-card { flex-direction: column; align-items: flex-start; }
  .propaganda-grid { grid-template-columns: 1fr; gap: 16px; }
  .prop-card,
  .prop-card--featured,
  .prop-card--wide,
  .prop-card--compact,
  .prop-card--tall { min-height: 230px; }
  .prop-card-inner { padding: 20px 16px 16px; }
  .prop-slogan,
  .prop-card--featured .prop-slogan,
  .prop-card--wide .prop-slogan { font-size: 1.18rem; }
  .prop-brand-mark { width: 30px; height: 30px; top: 10px; right: 10px; }
}
@media (max-width: 480px) {
  .people-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
  .stats-bar { padding: 24px 0; }
  .stat-number { font-size: 2.2rem; }
}

.news-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 44px;
  flex-wrap: wrap;
}
.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  color: var(--text-body);
  text-decoration: none;
  font-size: .88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.page-btn:hover {
  border-color: transparent;
  background: var(--green-main);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
.page-btn.active {
  border-color: transparent;
  background: var(--green-main);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
.page-btn.disabled {
  opacity: .45;
  pointer-events: none;
}