/* ============================================
   学生工作中心 · 外联部 招新网站
   Visual v12 — iOS 风格高级效果
   保留 v11 全部绿色装饰 + Apple 风格动画增强
   ============================================ */

/* ── 思源宋体（Noto Serif SC）— 全站标题字体，Fontsource CDN 分包按需加载 ── */
@import url('https://cdn.jsdelivr.net/npm/@fontsource/noto-serif-sc@5/700.css');
@import url('https://cdn.jsdelivr.net/npm/@fontsource/noto-serif-sc@5/900.css');

/* ── CSS Variables ── */
:root {
  --royal: #3d5a7c;
  --royal-dark: #2a3f56;
  --royal-light: #5a8ab4;
  --accent: #7aaed8;
  --accent-soft: #9cc4e6;
  --accent-cyan: #b8d9f0;

  --gold: #c9a96e;
  --gold-light: #dcc196;
  --gold-soft: #e8d4b8;
  --gold-glow: rgba(201,169,110,0.12);

  --bg: #f6f8fb;
  --bg-warm: #fbfcfd;
  --surface: #ffffff;
  --surface-alt: #f0f4f8;
  --frost: rgba(90,138,180,0.06);

  --t-primary: #2a3a4d;
  --t-secondary: #5b6f85;
  --t-tertiary: #94a5b8;
  --t-inverse: #ffffff;

  --border: rgba(90,138,180,0.11);
  --border-light: rgba(90,138,180,0.06);

  --shadow-sm: 0 1px 2px rgba(42,63,86,0.03);
  --shadow-md: 0 3px 12px rgba(42,63,86,0.05);
  --shadow-lg: 0 10px 32px rgba(42,63,86,0.07);
  --shadow-xl: 0 20px 52px rgba(42,63,86,0.08);

  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 28px;
  --radius-xl: 36px;

  --success: #4caf7f;
  --danger: #d66b62;

  --font-display: 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
  --font-body: 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;

  --nav-h: 68px;
  --max-w: 1160px;

  /* ══ Apple 风格缓动曲线 ══ */
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);
}

/* ── Reset & Base ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  font-family: var(--font-body);
  font-size: 15px; line-height: 1.7; color: var(--t-primary);
  background: var(--bg); overflow-x: hidden;
}
::selection { background: rgba(201,169,110,0.18); color: var(--royal); }
a { color: inherit; text-decoration: none; transition: color 0.3s ease; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 28px; }
.section { padding: 92px 0; }

/* ── Typography ── */
.eyebrow {
  font-size: 11px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase;
  color: var(--gold); margin-bottom: 14px; display: inline-block;
}
.section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-title {
  font-family: var(--font-display); font-size: clamp(32px, 5vw, 46px);
  font-weight: 900; line-height: 1.25; letter-spacing: 2px;
  color: var(--royal-dark); margin-bottom: 16px;
}
.section-subtitle {
  font-size: 16px; line-height: 1.7; color: var(--t-secondary);
  max-width: 520px; margin: 0 auto;
}

/* ── Navigation — iOS 毛玻璃 + 滚动变形 ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h); display: flex; align-items: center; justify-content: space-between;
  padding: 0 36px;
  backdrop-filter: blur(24px) saturate(1.8);
  -webkit-backdrop-filter: blur(24px) saturate(1.8);
  background: rgba(255,255,255,0.72);
  border-bottom: 1px solid var(--border-light);
  transition: height 0.35s var(--ease-out),
              box-shadow 0.35s var(--ease-out),
              background 0.35s ease,
              padding 0.35s var(--ease-out);
}
.nav.scrolled {
  height: 56px;
  box-shadow: 0 3px 20px rgba(42,63,86,0.06);
  background: rgba(255,255,255,0.88);
}
.nav.scrolled .nav-brand-name { font-size: 13px; }
.nav.scrolled .nav-logo { font-size: 20px; }

.nav-brand { display: flex; align-items: center; gap: 11px; }
.nav-logo {
  font-size: 22px;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.05));
  transition: font-size 0.35s var(--ease-out);
}
.nav-brand-name {
  font-family: var(--font-display);
  font-size: 14.5px; font-weight: 700; letter-spacing: 1px; color: var(--royal-dark);
  transition: font-size 0.35s var(--ease-out);
}
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  font-size: 13.5px; font-weight: 500; padding: 7px 16px; border-radius: 10px;
  transition: color 0.25s ease, background 0.25s ease; position: relative; color: var(--t-secondary);
}
/* 链接底部金色滑动下划线 */
.nav-links a::after {
  content:''; position:absolute; left:16px; right:16px; bottom:3px; height:2px;
  border-radius:2px; background: linear-gradient(90deg, var(--gold), var(--gold-light));
  transform: scaleX(0); transform-origin: left center;
  transition: transform 0.35s var(--ease-spring);
}
@media (hover: hover) and (pointer: fine) {
  .nav-links a:hover::after { transform: scaleX(1); }
}
.nav-links a:hover, .nav-links a.active { color: var(--royal); background: rgba(90,138,180,0.05); }
.nav-links a.active { font-weight: 600; }
.nav-links a.active::after { transform: scaleX(1); }
.nav-cta {
  font-size: 13px; font-weight: 600; padding: 9px 22px;
  border: none; border-radius: 12px; cursor: pointer;
  background: linear-gradient(135deg, var(--royal), var(--royal-light)); color: white;
  transition: transform 0.2s var(--ease-out), box-shadow 0.25s ease;
  position: relative; overflow: hidden;
}
.nav-cta::after {
  content:''; position:absolute; top:0;left:-100%;width:60%;height:100%;
  background: linear-gradient(90deg,transparent,rgba(255,255,255,0.16),transparent);
  transform: skewX(-18deg); transition:left 0.6s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .nav-cta:hover::after { left: 150%; }
  .nav-cta:hover { transform: translateY(-1px); box-shadow: 0 5px 16px rgba(61,90,124,0.22); }
}
.nav-cta:active { transform: scale(0.97); transition: transform 0.1s var(--ease-out); }

.mobile-toggle { display:none; font-size:22px; cursor:pointer; background:none; border:none; color:var(--t-primary); }

/* ── Hero Section — Kimi 式极简高级 ── */
.hero {
  position:relative; min-height: 100vh; display:flex; align-items:center;
  justify-content:center; overflow:hidden; color: white;
  background:#0f1e30;
}
/* 背景图层 — 镜头只运镜一次：从微推近缓缓落定 */
.hero-bg {
  position:absolute; inset:-6%; z-index:0;
  background-position:center center; background-size:cover; background-repeat:no-repeat;
  filter: saturate(1.16) contrast(1.09) brightness(1.06);
  animation: heroSettle 8s var(--ease-out) both;
  will-change: transform;
}
@keyframes heroSettle {
  from { transform: scale(1.09) translate3d(1.1%, 1.3%, 0); }
  to   { transform: scale(1) translate3d(0, 0, 0); }
}
/* 底部渐隐 — 融入页面 */
.hero::before {
  content:''; position:absolute; left:0; right:0; bottom:0; height:170px;
  background:linear-gradient(180deg, transparent 0%, rgba(246,248,251,0.45) 55%, var(--bg) 100%);
  z-index:3; pointer-events:none;
}

/* 全幅统一薄纱 — 消除左右边缘亮度差，任何机型都不出现"裸图" */
.hero-scrim {
  position:absolute; inset:0; z-index:1; pointer-events:none;
  background: linear-gradient(180deg,
    rgba(10,24,40,0.24) 0%,
    rgba(10,24,40,0.13) 34%,
    rgba(10,24,40,0.15) 70%,
    rgba(10,24,40,0.26) 100%);
}

/* 文字直接浮于照片 — 无边框柔和光晕保证可读 */
.hero-content {
  position:relative; z-index:5; text-align:center;
  max-width: 920px;
  padding: 48px 40px;
  background: radial-gradient(ellipse 96% 78% at 50% 50%, rgba(8,18,32,0.33) 0%, rgba(8,18,32,0.14) 52%, transparent 78%);
}

/* 编辑排版眉线 — 细线 + 大字距 + 金色点睛 */
.hero-eyebrow {
  display:flex; align-items:center; justify-content:center; gap:18px;
  margin-bottom:34px;
  animation: fadeUp 0.8s ease both;
}
.eyebrow-rule {
  height:1px; width:58px;
  background:linear-gradient(90deg, transparent, rgba(212,175,55,0.62));
}
.eyebrow-rule:last-child {
  background:linear-gradient(90deg, rgba(212,175,55,0.62), transparent);
}
.eyebrow-text {
  font-size:12.5px; font-weight:700; letter-spacing:5px; text-indent:5px;
  color:#d4af37; text-transform:uppercase;
  text-shadow: 0 2px 22px rgba(8,20,38,0.40);
}

.hero-slogan {
  font-family: var(--font-display); font-size: clamp(46px, 8.5vw, 92px);
  font-weight: 900; line-height: 1.2; letter-spacing: 4px;
  margin-bottom: 20px; animation: fadeUp 0.9s ease 0.12s both;
}
/* 英文副题 — 编辑排版点睛 */
.hero-slogan-en {
  font-size:12px; font-weight:600; letter-spacing:0.52em; text-indent:0.52em;
  color:rgba(255,255,255,0.6);
  margin:-2px 0 32px;
  animation: fadeUp 0.9s ease 0.3s both;
}

.hero-desc {
  font-size: 16.5px; line-height: 1.85; color: rgba(255,255,255,0.87);
  max-width: 540px; margin: 0 auto 38px;
  animation: fadeUp 0.9s ease 0.24s both;
  text-shadow: 0 6px 26px rgba(8,20,38,0.30);
}

.hero-actions { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; animation: fadeUp 0.9s ease 0.36s both; }

@keyframes fadeUp {
  from { opacity:0; transform:translateY(30px); } to { opacity:1; transform:translateY(0); }
}

.hero-scroll {
  position:absolute; bottom:30px; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:8px;
  color:rgba(42,58,77,0.62); font-size:11px; letter-spacing:3px; text-indent:3px;
  z-index:6; animation: scrollHintIn 0.9s ease 0.5s both;
}
@keyframes scrollHintIn {
  from { opacity: 0; } to { opacity: 1; }
}
.arrow {
  width:20px; height:20px; border-right:2px solid rgba(42,58,77,0.34);
  border-bottom:2px solid rgba(42,58,77,0.34);
  transform:rotate(45deg); animation: bounceDown 2.5s ease-in-out infinite;
}
@keyframes bounceDown {
  0%,100%{transform:rotate(45deg) translateY(0);} 50%{transform:rotate(45deg) translateY(5px);}
}

/* ── Page Hero (sub pages) ── */
.page-hero {
  position:relative; min-height: 380px; display:flex; align-items:center;
  justify-content:center; overflow:hidden; color:white;
  padding-top: var(--nav-h);
}
.page-hero-content {
  position:relative; z-index:2; text-align:center; padding: 0 28px;
}
.page-hero-content .eyebrow { margin-bottom: 16px; }
.page-hero-content h1 {
  font-family: var(--font-display); font-size: clamp(30px, 4.5vw, 44px);
  font-weight: 800; letter-spacing: -0.3px; margin-bottom: 14px;
  text-shadow: 0 2px 12px rgba(26,43,66,0.08);
}
.page-hero-content p { font-size: 16px; color: rgba(255,255,255,0.88); }

/* ── Buttons — Apple 按压反馈 + 光泽 ── */
.btn {
  display:inline-flex; align-items:center; gap:6px;
  font-family:var(--font-body); font-size:14.5px; font-weight:600;
  padding: 14px 32px; border-radius: 50px; border: none; cursor:pointer;
  transition: transform 0.2s var(--ease-out), box-shadow 0.3s ease, background 0.3s ease;
  letter-spacing: 0.5px;
}
/* 按压即时缩放 */
.btn:active { transform: scale(0.96); transition: transform 0.1s var(--ease-out); }

.btn-blue {
  background: linear-gradient(135deg, var(--royal), var(--royal-light)); color: white;
  position: relative; overflow: hidden;
}
.btn-blue::before {
  content:''; position:absolute; top:0;left:-100%;width:70%;height:100%;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
  transform:skewX(-18deg); transition:left 0.7s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .btn-blue:hover::before { left: 150%; }
  .btn-blue:hover { transform: translateY(-2px); box-shadow: 0 7px 22px rgba(61,90,124,0.24), 0 0 0 1px rgba(255,255,255,0.1) inset; }
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-light)); color: white;
  position: relative; overflow: hidden;
}
.btn-gold::before {
  content:''; position:absolute; top:0;left:-100%;width:70%;height:100%;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
  transform:skewX(-18deg); transition:left 0.7s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .btn-gold:hover::before { left: 150%; }
  .btn-gold:hover { transform: translateY(-2px); box-shadow: 0 7px 22px rgba(201,169,110,0.28), 0 0 0 1px rgba(255,255,255,0.1) inset; }
}
.btn-ghost {
  background: rgba(255,255,255,0.12); color: white; backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.18);
}
@media (hover: hover) and (pointer: fine) {
  .btn-ghost:hover { background: rgba(255,255,255,0.2); transform: translateY(-2px); }
}
.btn-outline {
  background: transparent; color: var(--royal);
  border: 2px solid var(--border);
}
@media (hover: hover) and (pointer: fine) {
  .btn-outline:hover { border-color: var(--gold); background: var(--gold-glow); transform: translateY(-1px); }
}

/* ── Glass Card — 增强毛玻璃 + 3D 倾斜 + 鼠标光斑 ── */
.glass-card {
  background: rgba(255,255,255,0.82); backdrop-filter: blur(16px) saturate(1.5);
  -webkit-backdrop-filter: blur(16px) saturate(1.5);
  border: 1px solid var(--border);
  border-top: 1px solid rgba(255,255,255,0.5); /* 亮顶边 = 光线 */
  border-radius: var(--radius);
  transition: transform 0.35s var(--ease-out),
              box-shadow 0.35s ease,
              border-color 0.35s ease,
              border-top-color 0.3s ease;
  transform-style: preserve-3d;
  will-change: transform;
  position: relative;
  overflow: hidden;
}
/* 鼠标跟随光斑（配合 JS 写入 --mx / --my） */
.glass-card::after {
  content:''; position:absolute; inset:0; pointer-events:none;
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 50%),
    rgba(255,255,255,0.55), rgba(201,169,110,0.05) 42%, transparent 65%);
  opacity: 0; transition: opacity 0.4s ease;
  z-index: 0;
}
.glass-card > * { position: relative; z-index: 1; }
@media (hover: hover) and (pointer: fine) {
  .glass-card:hover::after { opacity: 1; }
  .glass-card:hover {
    border-color: rgba(201,169,110,0.2);
    border-top-color: rgba(76,175,127,0.3);
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,0.6) inset;
    transform: translateY(-4px);
  }
}

/* ── Stats Bar — 数字计数动画 ── */
.stats {
  position:relative; margin-top: -44px; z-index: 10;
  padding: 44px 0 56px;
}
.stats-inner {
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  background: rgba(255,255,255,0.88); backdrop-filter: blur(24px) saturate(1.8);
  -webkit-backdrop-filter: blur(24px) saturate(1.8);
  border-radius: var(--radius-lg); border: 1px solid var(--border);
  border-top: 1px solid rgba(255,255,255,0.5);
  padding: 40px 36px; box-shadow: var(--shadow-xl);
  animation: fadeUp 1s var(--ease-out) both;
}
/* 统计项之间的竖向渐变分隔线 */
.stat-item { text-align:center; position: relative; }
.stat-item + .stat-item::before {
  content:''; position:absolute; left:-12px; top:12%; height:76%; width:1px;
  background: linear-gradient(180deg, transparent, var(--border) 30%, var(--border) 70%, transparent);
}
@media (max-width: 900px) {
  .stat-item + .stat-item::before { display:none; }
}
.stat-num {
  font-family: var(--font-display); font-size: 44px; font-weight: 900;
  line-height: 1; color: var(--royal); letter-spacing: -1.2px;
  transition: transform 0.3s var(--ease-spring);
  /* 渐变数字 */
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: currentColor;
  background-clip: unset;
}
@media (hover: hover) and (pointer: fine) {
  .stat-num:hover { transform: scale(1.08); }
}
.stat-label {
  font-size: 13px; color: var(--t-secondary); font-weight: 500;
  margin-top: 8px; letter-spacing: 0.5px;
}
.stat-desc {
  font-size: 11px; color: var(--t-tertiary); font-weight: 400;
  margin-top: 4px; letter-spacing: 0.3px;
}

/* ── About Section ── */
.about-grid {
  display:grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items:start;
  position: relative;
}
.about-text p {
  font-size: 15.5px; line-height: 1.85; color: var(--t-secondary); margin-bottom: 18px;
}
.about-motto {
  font-family: var(--font-display); font-size: 26px; font-weight: 800;
  color: var(--royal); line-height: 1.3; margin-bottom: 26px;
  letter-spacing: 1px; padding-left: 18px; border-left: 4px solid var(--gold);
}
.about-stats { display:grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
.about-stat {
  background: var(--surface-alt); border-radius: var(--radius-sm); padding: 22px 16px;
  text-align:center; border: 1px solid var(--border-light);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s ease, border-color 0.3s ease;
}
@media (hover: hover) and (pointer: fine) {
  .about-stat:hover { transform: translateY(-3px) scale(1.02); box-shadow: var(--shadow-md); border-color: rgba(201,169,110,0.2); }
}
.about-stat .num {
  font-size: 30px; font-weight: 900; color: var(--gold); line-height:1;
}
.about-stat .label {
  font-size: 12.5px; color: var(--t-tertiary); margin-top: 6px; font-weight: 500;
}

/* Department Mini Cards */
.dept-overview {
  display:grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 14px; margin-top: 44px;
}
.dept-mini {
  text-align:center; padding: 22px 14px; border-radius: var(--radius-sm);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s ease, border-color 0.35s ease; cursor:default;
  border: 1px solid var(--border-light);
  background: var(--surface);
}
@media (hover: hover) and (pointer: fine) {
  .dept-mini:hover { transform: translateY(-5px) scale(1.03); box-shadow: var(--shadow-md); border-color: rgba(201,169,110,0.2); }
}
.dept-mini.hl { border-color: rgba(201,169,110,0.24); background: var(--gold-glow); }
.dept-mini-icon { font-size: 28px; margin-bottom: 8px; }
.dept-mini-name { font-weight: 700; font-size: 14px; color: var(--royal); margin-bottom: 4px; }
.dept-mini-tag { font-size: 11.5px; color: var(--t-tertiary); }

/* ── Org Structure ── */
.structure-section { background: var(--bg-warm); }
.org-tree { max-width: 900px; margin: 0 auto; }
.org-root {
  text-align:center; font-size: 22px; font-weight: 800; color: var(--royal);
  padding: 20px 36px; background: var(--surface); border-radius: var(--radius);
  box-shadow: var(--shadow-md); display: inline-block;
  margin-bottom: 28px;
}
.org-vline {
  width: 2px; height: 28px; background: var(--border); margin: 0 auto;
}
.org-row { display:grid; grid-template-columns: repeat(auto-fit, minmax(145px, 1fr)); gap: 16px; }
.org-node { position:relative; }
.org-node-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 20px 14px; text-align:center;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s ease;
  cursor: default; font-size: 15.5px; font-weight: 700; color: var(--t-primary);
}
.org-node-card.hl { border-color: var(--gold); background: var(--gold-glow); color: var(--royal); }
@media (hover: hover) and (pointer: fine) {
  .org-node-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
}
.org-node-sub { font-size: 12.5px; font-weight: 400; color: var(--t-tertiary); margin-top: 5px; }

/* ── Why Join Cards — 浮动图标 ── */
.why-grid {
  display:grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 22px;
}
.why-card { padding: 32px 26px; }
.why-icon {
  font-size: 34px; margin-bottom: 14px; display:block;
  animation: iconFloat 3s ease-in-out infinite;
}
.why-card:nth-child(2) .why-icon { animation-delay: 0.3s; }
.why-card:nth-child(3) .why-icon { animation-delay: 0.6s; }
.why-card:nth-child(4) .why-icon { animation-delay: 0.9s; }
.why-card:nth-child(5) .why-icon { animation-delay: 1.2s; }
.why-card:nth-child(6) .why-icon { animation-delay: 1.5s; }
@keyframes iconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.why-title { font-size: 17px; font-weight: 750; color: var(--royal); margin-bottom: 10px; }
.why-desc { font-size: 14px; line-height: 1.7; color: var(--t-secondary); }

/* ── Department Section ── */
.dept-section { background: var(--bg-warm); }
.dept-grid {
  display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 44px; align-items:start;
}
.dept-intro {
  position: relative;
}
.dept-intro p { font-size: 15px; line-height: 1.85; color: var(--t-secondary); margin-bottom: 16px; }
.dept-works-label { font-weight: 700; font-size: 16px; color: var(--royal); margin: 24px 0 16px; }
.dept-works-list { display:grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.dept-work-item {
  display:flex; gap: 10px; align-items:flex-start;
  padding: 12px 14px; background: var(--surface); border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s ease, border-color 0.25s ease;
}
@media (hover: hover) and (pointer: fine) {
  .dept-work-item:hover { border-color: var(--border); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
}
.dept-work-item .ico { font-size: 18px; flex-shrink:0; margin-top:1px; }
.dept-work-item strong { display:block; font-size: 13.5px; color: var(--t-primary); font-weight: 650; }
.dept-work-item span { font-size: 12.5px; color: var(--t-tertiary); }

.leaders-label { font-weight: 700; font-size: 16px; color: var(--royal); margin-bottom: 18px; }
.leader-grid { display: flex; flex-direction: column; gap: 14px; }
.leader-card { display:flex; gap: 16px; padding: 20px; align-items:flex-start; }
.leader-ava {
  width:52px; height:52px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:18px; font-weight:800; color:white; flex-shrink:0;
}
.ava-1 { background: linear-gradient(135deg,#7aaed8,#5a8ab4); }
.ava-2 { background: linear-gradient(135deg,#c9a96e,#b8956a); }
.ava-3 { background: linear-gradient(135deg,#8fc4df,#6fa7c8); }
.ava-4 { background: linear-gradient(135deg,#dcc196,#c9a96e); }
.leader-role { font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform:uppercase; color: var(--t-tertiary); }
.leader-name { font-size: 16px; font-weight: 750; color: var(--royal); margin: 3px 0 6px; }
.leader-quote { font-size: 13px; line-height: 1.65; color: var(--t-secondary); font-style: italic; }

/* ── Timeline / Process ── */
.process-section { background: var(--bg); position:relative; overflow:hidden; }
.process-orb {
  position:absolute; border-radius:50%; filter: blur(60px); opacity:0.2;
}
.process-orb-1 { width:300px; height:300px; background:rgba(122,174,216,0.08); top:-100px; right:-50px; }
.process-orb-2 { width:250px; height:250px; background:rgba(201,169,110,0.06); bottom:-80px; left:-40px; }

.timeline {
  display:grid; grid-template-columns: repeat(2, 1fr);
  gap: 20px; max-width: 960px; margin: 0 auto;
}
.tl-step {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 22px; position:relative;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s ease, border-color 0.35s ease;
}
@media (hover: hover) and (pointer: fine) {
  .tl-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(201,169,110,0.2); }
}
.tl-num { font-size: 30px; margin-bottom: 10px; display:block; }
.tl-label {
  font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform:uppercase;
  color: var(--gold); margin-bottom: 8px;
}
.tl-title { font-size: 17px; font-weight: 750; color: var(--royal); margin-bottom: 8px; }
.tl-desc { font-size: 13.5px; line-height: 1.7; color: var(--t-secondary); }

/* ── FAQ ── */
.faq-list { max-width: 740px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { overflow: hidden; border-radius: 14px; }
.faq-q {
  display:flex; justify-content:space-between; align-items:center;
  padding: 20px 24px; cursor:pointer; user-select:none;
  transition: color 0.25s ease, border-color 0.25s ease, background 0.2s ease; font-weight: 600; font-size: 15px; color: var(--t-primary);
  background: var(--surface); border: 1px solid var(--border-light);
  border-radius: 14px;
}
@media (hover: hover) and (pointer: fine) {
  .faq-q:hover { color: var(--royal); border-color: var(--border); }
}
.faq-q:active { background: var(--surface-alt); transition: background 0.1s var(--ease-out); }
.faq-icon {
  width:26px; height:26px; border-radius:50%; background:var(--surface-alt);
  display:flex; align-items:center; justify-content:center;
  font-size:16px; font-weight:300; color:var(--t-secondary);
  transition: transform 0.35s var(--ease-spring), background 0.3s ease, color 0.3s ease;
  flex-shrink:0; margin-left:16px;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--gold); color: white; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.45s var(--ease-out); }
.faq-a-inner { padding: 0 24px 20px; font-size: 14.5px; line-height: 1.75; color: var(--t-secondary); }

/* ── CTA Banner ── */
.cta-banner {
  text-align:center; padding: 80px 28px; position:relative; overflow:hidden;
  background: linear-gradient(180deg, #eef3f8 0%, #f4f7fb 50%, #f6f8fb 100%);
  color: var(--royal);
}
.cta-banner h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 36px); font-weight: 900;
  margin-bottom: 12px; letter-spacing: 1.5px;
}
.cta-banner p { font-size: 16px; opacity: 0.7; margin-bottom: 30px; }
.cta-banner .btn-ghost {
  border-color: var(--border); margin: 0 8px;
  background: var(--royal); color: white;
}

/* ── Footer ── */
.footer {
  position:relative; background: var(--royal-dark); color: white; padding-top: 52px;
}
.footer-drop { display: none; }
.footer-grid {
  display:grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px;
  padding-bottom: 48px;
}
.footer-brand-name { font-family: var(--font-display); font-size: 17.5px; font-weight: 700; letter-spacing: 1px; margin-bottom: 12px; }
.footer-brand-desc { font-size: 14px; opacity: 0.72; line-height: 1.7; margin-bottom: 20px; max-width: 340px; }
.footer-contact-item { font-size: 13.5px; opacity: 0.68; margin-bottom: 8px; }
.footer-col-title { font-size: 13px; font-weight: 700; letter-spacing: 1px; text-transform:uppercase; margin-bottom: 16px; opacity: 0.4; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; opacity: 0.68; transition: opacity 0.25s; }
@media (hover: hover) and (pointer: fine) {
  .footer-col ul li a:hover { opacity: 1; color: var(--gold-light); }
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0; text-align:center; font-size: 13px; opacity: 0.4;
}

/* ══════════════════════════════════════
   绿色点缀装饰（从 v11 完整保留）
   ══════════════════════════════════════ */

/* 全局绿色小装饰点 */
.hero::after {
  content: '';
  position: absolute;
  bottom: 40px;
  left: 8%;
  width: 12px;
  height: 12px;
  background: rgba(76, 175, 127, 0.32);
  border-radius: 50%;
  z-index: 4;
  animation: greenDotFloat 4s ease-in-out infinite;
}
@keyframes greenDotFloat {
  0%, 100% { transform: translateY(0); opacity: 0.3; }
  50% { transform: translateY(-12px); opacity: 0.7; }
}

/* 关于区域绿色装饰 */
.about-grid::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -10px;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, rgba(76, 175, 127, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* 部门介绍区域左侧绿色竖线 */
.dept-intro::before {
  content: '';
  position: absolute;
  left: -20px;
  top: 8px;
  width: 3px;
  height: 48px;
  background: linear-gradient(180deg, #4caf7f, rgba(76, 175, 127, 0.1));
  border-radius: 2px;
}

/* 招新流程 STEP 图标绿色光晕 */
.tl-step .tl-num {
  position: relative;
}
.tl-step .tl-num::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(76, 175, 127, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

/* FAQ 区域绿色小装饰 */
.faq-list {
  position: relative;
}
.faq-list::after {
  content: '🌿';
  position: absolute;
  bottom: -30px;
  right: 20px;
  font-size: 20px;
  opacity: 0.25;
  pointer-events: none;
  transform: rotate(-15deg);
}

/* CTA 区域绿色背景渐变加强 */
.cta-banner {
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px;
  left: -60px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(76, 175, 127, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -40px;
  right: -40px;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, rgba(76, 175, 127, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* 按钮 hover 时加绿色边框光晕 */
@media (hover: hover) and (pointer: fine) {
  .btn-blue:hover {
    box-shadow: 0 6px 24px rgba(76, 175, 127, 0.2), var(--shadow-md);
  }
}

/* 卡片 hover 时绿色顶部细线 */
.glass-card {
  border-top: 2px solid transparent;
}
@media (hover: hover) and (pointer: fine) {
  .glass-card:hover {
    border-top: 2px solid rgba(76, 175, 127, 0.3);
  }
}

/* Why Join 卡片绿色悬停效果 */
.why-card {
  border-left: 3px solid transparent;
  transition: border-left 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}
@media (hover: hover) and (pointer: fine) {
  .why-card:hover {
    border-left: 3px solid rgba(76,175,127,0.4);
  }
}

/* ══════════════════════════════════════
   Reveal Animation — 由 ios-scroll-motion.js 接管
   （库自动注入 CSS，无需手动定义）
   ══════════════════════════════════════ */

/* ══════════════════════════════════════
   响应式
   ══════════════════════════════════════ */
@media (max-width: 900px) {
  .about-grid, .dept-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .stats-inner { grid-template-columns: 1fr; padding: 28px 20px; gap: 18px; }
  .org-row { grid-template-columns: repeat(2, 1fr); }
  .dept-works-list { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; max-width: 420px; }
  .section { padding: 64px 0; }
}
@media (max-width: 640px) {
  .nav { padding: 0 18px; }
  .nav-links, .nav-cta { display: none !important; }
  .mobile-toggle { display:block; }
    .hero-slogan { font-size: 40px; letter-spacing: 2px; }
  .hero-slogan-en { font-size: 10px; letter-spacing:0.38em; text-indent:0.38em; }
  /* 窄屏：光晕横向拉满并溢出屏幕，左右边缘与中间亮度一致 */
  .hero-content {
    padding: 40px 22px; max-width: 100%;
    background: radial-gradient(ellipse 132% 96% at 50% 50%, rgba(8,18,32,0.30) 0%, rgba(8,18,32,0.15) 56%, transparent 88%);
  }
  .hero-bg { filter: saturate(1.14) contrast(1.08) brightness(1.02); }
  .hero-scrim {
    background: linear-gradient(180deg,
      rgba(10,24,40,0.26) 0%,
      rgba(10,24,40,0.16) 34%,
      rgba(10,24,40,0.18) 70%,
      rgba(10,24,40,0.26) 100%);
  }
  .hero-eyebrow { margin-bottom: 24px; }
  .eyebrow-rule { width: 34px; }
  .eyebrow-text { font-size: 11px; letter-spacing: 4px; text-indent: 4px; }
  .hero-desc { font-size: 15px; margin-bottom: 30px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .section-title { font-size: 26px; }
  .container { padding: 0 20px; }
  .org-row { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .page-hero, .game-hero { min-height: 280px; }
}

/* ══════════════════════════════════════
   v13 高级感细节增强
   ══════════════════════════════════════ */

/* 顶部滚动进度条（JS 驱动 --sp 变量） */
.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2.5px; z-index: 2000;
  background: transparent; pointer-events: none;
}
.scroll-progress .scroll-progress-bar {
  height: 100%; width: calc(var(--sp, 0) * 100%);
  background: linear-gradient(90deg, var(--royal-light), var(--gold), var(--gold-light));
  border-radius: 0 2px 2px 0;
  box-shadow: 0 0 8px rgba(201,169,110,0.35);
  transition: width 0.1s linear;
}

/* 定制滚动条 */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(122,174,216,0.55), rgba(201,169,110,0.5));
  border-radius: 6px; border: 2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, rgba(122,174,216,0.8), rgba(201,169,110,0.75));
}
html { scrollbar-width: thin; scrollbar-color: rgba(122,174,216,0.55) var(--bg); }

/* 段落标题下的金色小横线呼吸 */
.section-head::after {
  content:''; display:block; width:42px; height:3px; margin: 18px auto 0;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--gold-light), var(--gold), var(--gold-light));
  background-size: 200% 100%;
  animation: headLineBreath 3.2s ease-in-out infinite;
}
@keyframes headLineBreath {
  0%, 100% { background-position: 0% 0; opacity: 0.75; }
  50% { background-position: 100% 0; opacity: 1; }
}

/* Hero 口号 — 单层大模糊景深，避免紧贴字形的灰边 */
.hero-slogan {
  text-shadow: 0 14px 52px rgba(8,20,38,0.32), 0 0 96px rgba(224,198,158,0.14);
}

/* 组织树连接线渐变 */
.org-vline {
  background: linear-gradient(180deg, var(--gold-light), var(--border));
}

/* Footer 顶部渐变发光线 */
.footer::before {
  content:''; position:absolute; top:0; left:0; right:0; height:2px;
  background: linear-gradient(90deg, transparent, var(--gold) 35%, var(--royal-light) 65%, transparent);
  opacity: 0.7;
}

/* Why 卡片图标容器化 + 光泽底 */
.why-icon {
  width: 62px; height: 62px; border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, rgba(122,174,216,0.10), rgba(201,169,110,0.07));
  border: 1px solid var(--border-light);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.7);
}

/* 时间线步骤序号徽章化 */
.tl-num {
  width: 56px; height: 56px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, rgba(255,255,255,0.9), rgba(240,244,248,0.85));
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255,255,255,0.9);
}

/* ══════════════════════════════════════
   v14 精致化增强
   ══════════════════════════════════════ */

/* 导航栏入场下落 */
.nav { animation: navDrop 0.65s var(--ease-out) both; }
@keyframes navDrop {
  from { transform: translateY(-102%); }
  to   { transform: translateY(0); }
}

/* Hero 口号逐字入场（JS 拆分字符为 .slogan-char） */
.slogan-char {
  display: inline-block;
  opacity: 0;
  transform: translateY(26px) scale(0.9);
  filter: blur(4px);
  animation: charIn 0.75s var(--ease-out) forwards;
  will-change: transform, opacity, filter;
}
@keyframes charIn {
  60% { filter: blur(0); }
  to  { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}

/* 组织树连接线金色流光 */
.org-vline {
  background: linear-gradient(180deg, var(--gold-light), var(--gold), var(--border));
  background-size: 100% 220%;
  animation: vlineFlow 2.6s ease-in-out infinite;
}
.org-vline-s {
  background: linear-gradient(180deg, var(--border), var(--gold-light), var(--border));
  background-size: 100% 220%;
  animation: vlineFlow 2.6s ease-in-out infinite;
}
@keyframes vlineFlow {
  0%, 100% { background-position: 50% 0%; }
  50%      { background-position: 50% 100%; }
}

/* Hero 按钮入场依次弹入 */
.hero-actions .btn {
  transition: transform 0.25s var(--ease-spring), box-shadow 0.3s ease, background 0.3s ease;
}

/* CTA 横幅按钮呼吸微光 */
.cta-banner .btn-ghost,
.cta-banner .btn-gold {
  transition: transform 0.25s var(--ease-spring), box-shadow 0.35s ease;
}
@media (hover: hover) and (pointer: fine) {
  .cta-banner .btn-ghost:hover,
  .cta-banner .btn-gold:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 10px 30px rgba(61,90,124,0.22);
  }
}

/* 减弱运动 / 减弱透明度
   ══════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .hero-orb, .pulse, .arrow, .why-icon { animation: none !important; }
  .hero-bg { animation: none !important; }
  .hero-content { animation-duration: 0.01ms !important; }
}