/* ============================================
   学生工作中心 · 外联部 招新网站
   Visual v11 — 柔和莫兰迪蓝 + 暖金色点缀
   在 v10 基础上加入暖金 accent，更温暖
   ============================================ */

/* ── CSS Variables — 柔和莫兰迪蓝 + 暖金 ── */
:root {
  --royal: #3d5a7c;           /* 品牌主色 — 柔和灰蓝 */
  --royal-dark: #2a3f56;      /* Footer — 柔和深灰蓝 */
  --royal-light: #5a8ab4;     /* hover 用 */
  --accent: #7aaed8;          /* 强调色 — 柔和天蓝 */
  --accent-soft: #9cc4e6;     /* 更柔和强调 */
  --accent-cyan: #b8d9f0;     /* 青色高光 */

  /* 新增：暖金色系 */
  --gold: #c9a96e;            /* 暖金主色 */
  --gold-light: #dcc196;      /* 暖金浅色 */
  --gold-soft: #e8d4b8;       /* 暖金柔和 */
  --gold-glow: rgba(201,169,110,0.12); /* 暖金光晕 */

  /* 背景 — 温暖的浅灰蓝 */
  --bg: #f6f8fb;
  --bg-warm: #fbfcfd;
  --surface: #ffffff;
  --surface-alt: #f0f4f8;
  --frost: rgba(90,138,180,0.06);

  /* 文字 — 更柔和的蓝灰 */
  --t-primary: #2a3a4d;
  --t-secondary: #5b6f85;
  --t-tertiary: #94a5b8;

  --t-inverse: #ffffff;

  /* 边框 — 极淡蓝灰 */
  --border: rgba(90,138,180,0.11);
  --border-light: rgba(90,138,180,0.06);

  /* 阴影 — 更淡更散 */
  --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: 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-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;
}

/* ── 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(30px, 5vw, 42px);
  font-weight: 800; line-height: 1.2; letter-spacing: -0.3px;
  color: var(--royal); margin-bottom: 16px;
}
.section-subtitle {
  font-size: 16px; line-height: 1.7; color: var(--t-secondary);
  max-width: 520px; margin: 0 auto;
}

/* ── Navigation ── */
.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(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  background: rgba(255,255,255,0.78);
  border-bottom: 1px solid var(--border-light);
  transition: all 0.4s cubic-bezier(0.22,1,0.36,1);
}
.nav.scrolled { box-shadow: 0 3px 20px rgba(42,63,86,0.05); background: rgba(255,255,255,0.9); }

.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)); }
.nav-brand-name {
  font-size: 14px; font-weight: 700; letter-spacing: 0.3px; color: var(--royal);
}
.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: all 0.3s ease; position: relative; color: var(--t-secondary);
}
.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-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: all 0.4s cubic-bezier(0.22,1,0.36,1);
  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 0.7s ease;
}
.nav-cta:hover::after { left: 150%; }
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 5px 16px rgba(61,90,124,0.22); }

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

/* ── Hero Section ── */
.hero {
  position:relative; min-height: 100vh; display:flex; align-items:center;
  justify-content:center; overflow:hidden; color: white;
}
.hero::before {
  content:''; position:absolute; top:0; left:0; right:55%; height: 50%;
  background: linear-gradient(135deg,
    rgba(235,243,252,0.48) 0%,
    rgba(210,228,245,0.26) 35%,
    rgba(185,212,240,0.12) 60%,
    transparent 100%
  );
  z-index: 1; pointer-events:none;
}
.hero-grid-bg {
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 56px 56px; opacity: 0.25;
}
.hero-glow {
  position:absolute; width:520px; height:520px; border-radius:50%;
  background: radial-gradient(circle, rgba(201,169,110,0.06), transparent 70%);
  bottom:-160px; right:-80px; filter: blur(56px);
}
.hero-orb {
  position:absolute; border-radius:50%; opacity: 0.35; filter: blur(48px);
  animation: orbFloat 14s ease-in-out infinite alternate;
}
.hero-orb-1 { width:280px; height:280px; background:rgba(122,174,216,0.11); top:14%; left:10%; animation-delay:0s; }
.hero-orb-2 { width:220px; height:220px; background:rgba(201,169,110,0.08); bottom:24%; right:12%; animation-delay:-5s; }
.hero-orb-3 { width:200px; height:200px; background:rgba(76,175,127,0.10); top:50%; left:45%; animation-delay:-10s; }

@keyframes orbFloat { 0%{transform:translate(0,0);} 100%{transform:translate(22px,-18px);} }

.hero-content {
  position:relative; z-index:2; text-align:center; padding: 0 28px;
  max-width: 720px;
}
.hero-badge {
  display:inline-flex; align-items:center; gap:8px;
  font-size:12px; font-weight:600; letter-spacing:1.5px; text-transform:uppercase;
  padding: 8px 20px; border-radius: 50px;
  background: rgba(255,255,255,0.11); backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.16);
  margin-bottom: 26px; animation: fadeUp 0.8s ease both;
}
.pulse {
  width:7px; height:7px; border-radius:50%; background:#f0d090;
  display:inline-block; animation: pulse 2.5s infinite;
}
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:0.35;} }

.hero-slogan {
  font-family: var(--font-display); font-size: clamp(34px, 6.5vw, 54px);
  font-weight: 900; line-height: 1.18; letter-spacing: -0.8px;
  margin-bottom: 22px; animation: fadeUp 0.9s ease 0.12s both;
  text-shadow: 0 2px 16px rgba(26,43,66,0.08);
}
.star { color: #f0d090; margin-right: 6px; }

.hero-desc {
  font-size: 17px; line-height: 1.8; color: rgba(255,255,255,0.9);
  max-width: 540px; margin: 0 auto 38px;
  animation: fadeUp 0.9s ease 0.24s both;
}

.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:36px; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:8px;
  color:rgba(255,255,255,0.45); font-size:11px; letter-spacing:2px;
  z-index:2; animation: fadeUp 0.9s ease 0.5s both;
}
.arrow {
  width:20px; height:20px; border-right:2px solid rgba(255,255,255,0.25);
  border-bottom:2px solid rgba(255,255,255,0.25);
  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 ── */
.btn {
  display:inline-flex; align-items:center; gap:6px;
  font-family:var(--font-body); font-size:14.5px; font-weight:600;
  padding: 13px 30px; border-radius: 14px; border: none; cursor:pointer;
  transition: all 0.4s cubic-bezier(0.22,1,0.36,1);
  letter-spacing: 0.2px;
}
.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(255,255,255,0.14), transparent);
  transform:skewX(-18deg); transition:left 0.7s ease;
}
.btn-blue:hover::before { left: 150%; }
.btn-blue:hover { transform: translateY(-2px); box-shadow: 0 7px 22px rgba(61,90,124,0.24); }
.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(255,255,255,0.14), transparent);
  transform:skewX(-18deg); transition:left 0.7s ease;
}
.btn-gold:hover::before { left: 150%; }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 7px 22px rgba(201,169,110,0.28); }
.btn-ghost {
  background: rgba(255,255,255,0.12); color: white; backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.18);
}
.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);
}
.btn-outline:hover { border-color: var(--gold); background: var(--gold-glow); transform: translateY(-1px); }

/* ── Glass Card ── */
.glass-card {
  background: rgba(255,255,255,0.82); backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border); border-radius: var(--radius);
  transition: all 0.45s cubic-bezier(0.22,1,0.36,1);
}
.glass-card:hover {
  border-color: rgba(201,169,110,0.2);
  box-shadow: var(--shadow-lg);
}

/* ── Stats Bar ── */
.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(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-lg); border: 1px solid var(--border);
  padding: 40px 36px; box-shadow: var(--shadow-xl);
}
.stat-item { text-align:center; }
.stat-num {
  font-family: var(--font-display); font-size: 44px; font-weight: 900;
  line-height: 1; color: var(--royal); letter-spacing: -1.2px;
}
.stat-label {
  font-size: 13px; color: var(--t-secondary); font-weight: 500;
  margin-top: 8px; letter-spacing: 0.5px;
}

/* ── About Section ── */
.about-grid {
  display:grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items:start;
}
.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(3,1fr); 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: all 0.35s ease;
}
.about-stat:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--gold-glow); }
.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: all 0.4s cubic-bezier(0.22,1,0.36,1); cursor:default;
  border: 1px solid var(--border-light);
  background: var(--surface);
}
.dept-mini:hover { transform: translateY(-3px) scale(1.01); 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: all 0.4s 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); }
.org-node-card:hover { transform: translateY(-2px); 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 ── */
.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; }
.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 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: all 0.3s ease;
}
.dept-work-item:hover { border-color: var(--border); box-shadow: var(--shadow-sm); }
.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: all 0.4s ease;
}
.tl-step:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); 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: all 0.3s ease; font-weight: 600; font-size: 15px; color: var(--t-primary);
  background: var(--surface); border: 1px solid var(--border-light);
  border-radius: 14px;
}
.faq-q:hover { color: var(--royal); border-color: var(--border); }
.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 0.4s 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 cubic-bezier(0.22,1,0.36,1); }
.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-size: clamp(26px, 3.5vw, 34px); font-weight: 800;
  margin-bottom: 12px; letter-spacing: -0.2px;
}
.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-size: 17px; font-weight: 800; 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; }
.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;
}

/* ── Apply Page (Email Card) ── */
.apply-section { background: var(--bg); min-height: calc(100vh - 200px); padding-bottom: 60px; }

.email-card {
  max-width: 560px; margin: 0 auto; padding: 56px 44px;
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  background: var(--surface); text-align: center;
}
.email-icon { font-size: 56px; margin-bottom: 20px; }
.email-title { font-size: 22px; font-weight: 800; color: var(--royal); margin-bottom: 12px; }
.email-desc { font-size: 15px; line-height: 1.75; color: var(--t-secondary); margin-bottom: 32px; }
.email-steps { text-align: left; margin-bottom: 32px; }
.email-step { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--border-light); }
.email-step:last-child { border-bottom: none; }
.email-step-num {
  width: 28px; height: 28px; border-radius: 50%; background: var(--gold-glow);
  color: var(--gold); font-weight: 700; font-size: 13px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.email-step-text { font-size: 14px; color: var(--t-secondary); line-height: 1.6; }
.email-btn { display: inline-flex; align-items: center; gap: 8px; }
.email-addr {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; background: var(--gold-glow);
  border-radius: 14px; font-size: 16px; color: var(--royal); font-weight: 700;
  margin-top: 12px; border: 1px solid rgba(201,169,110,0.2);
  font-family: var(--font-mono); letter-spacing: 0.5px;
}
.email-copy-hint { font-size: 12px; color: var(--t-tertiary); margin-top: 8px; }

/* ── Piano Game Page ── */
.game-hero { min-height: 320px; }
.game-section { background: var(--bg); padding: 48px 0 80px; }
.game-container {
  max-width: 480px; margin: 0 auto; padding: 0 20px;
}
.game-frame {
  background: var(--surface); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); border: 1px solid var(--border);
  overflow: hidden;
}
.game-top {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 22px; background: var(--surface-alt);
  border-bottom: 1px solid var(--border-light);
}
.game-score { font-size: 15px; color: var(--t-secondary); }
.game-score b { color: var(--royal); font-size: 18px; }
.game-combo { font-size: 15px; color: var(--t-secondary); }
.game-combo b { color: var(--gold); font-size: 18px; }
#gameCanvas {
  display: block; width: 100%; background: linear-gradient(180deg, #f8fafc, #eef3f8);
  touch-action: none;
}
.game-controls {
  padding: 20px 22px; background: var(--surface);
  border-top: 1px solid var(--border-light);
  display: flex; gap: 12px; justify-content: center;
}
.game-controls .btn { padding: 11px 24px; font-size: 14px; }
.game-hint {
  text-align: center; margin-top: 24px; padding: 0 20px;
  font-size: 13px; color: var(--t-tertiary); line-height: 1.8;
}
.game-overlay {
  position: absolute; inset: 0; background: rgba(255,255,255,0.85);
  backdrop-filter: blur(6px); display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  padding: 32px; opacity: 0; pointer-events: none; transition: opacity 0.4s ease;
}
.game-overlay.show { opacity: 1; pointer-events: auto; }
.game-overlay-title { font-size: 24px; font-weight: 800; color: var(--royal); margin-bottom: 10px; }
.game-overlay-desc { font-size: 14px; color: var(--t-secondary); margin-bottom: 24px; }
.game-wrap { position: relative; }

/* ── Reveal Animation ── */
.reveal {
  transition: opacity 0.8s cubic-bezier(0.22,1,0.36,1),
              transform 0.8s cubic-bezier(0.22,1,0.36,1);
}
.js-ready .reveal {
  opacity: 0; transform: translateY(28px);
}
.reveal.visible { opacity: 1 !important; transform: translateY(0) !important; }
.reveal[data-delay="1"] { transition-delay: 0.12s; }
.reveal[data-delay="2"] { transition-delay: 0.22s; }
.reveal[data-delay="3"] { transition-delay: 0.32s; }
.reveal[data-delay="4"] { transition-delay: 0.42s; }
.reveal[data-delay="5"] { transition-delay: 0.52s; }

/* ── Responsive ── */
@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; }
  .email-card { padding: 32px 24px; }
}
@media (max-width: 640px) {
  .nav { padding: 0 18px; }
  .nav-links, .nav-cta { display: none !important; }
  .mobile-toggle { display:block; }
  .hero-slogan { font-size: 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; }
  .email-card { padding: 28px 20px; }
}

/* ===== 绿色点缀装饰 ===== */

/* 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, 0.25);
  border-radius: 50%;
  z-index: 1;
  animation: greenDotFloat 4s ease-in-out infinite;
}
.hero::before {
  content: '';
  position: absolute;
  top: 80px;
  right: 6%;
  width: 8px;
  height: 8px;
  background: rgba(76, 175, 127, 0.2);
  border-radius: 50%;
  z-index: 1;
  animation: greenDotFloat 3s ease-in-out infinite reverse;
}
@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 {
  position: relative;
}
.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 {
  position: relative;
}
.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-section {
  position: relative;
  overflow: hidden;
}
.cta-section::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-section::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 */
.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:hover {
  border-top: 2px solid rgba(76, 175, 127, 0.3);
  transition: border-top 0.2s ease;
}
.glass-card {
  border-top: 2px solid transparent;
  transition: border-top 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

/* ===== 全局绿色点缀加强（v12） ===== */

/* Hero 区域绿色装饰光晕 */
.hero::after {
  content: '';
  position: absolute;
  bottom: 30px;
  left: 5%;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(76,175,127,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: greenFloat 6s ease-in-out infinite;
}
.hero::before {
  content: '';
  position: absolute;
  top: 60px;
  right: 8%;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, rgba(76,175,127,0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: greenFloat 5s ease-in-out infinite reverse;
}
@keyframes greenFloat {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50% { transform: translateY(-15px); opacity: 0.7; }
}

/* 关于区域绿色左侧竖线装饰 */
.about-grid {
  position: relative;
}
.about-grid::before {
  content: '';
  position: absolute;
  left: -18px;
  top: 12px;
  width: 3px;
  height: 52px;
  background: linear-gradient(180deg, #4caf7f, rgba(76,175,127,0.1));
  border-radius: 2px;
}

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

/* 部门介绍区域绿色装饰点 */
.dept-works-list::before {
  content: '🌿';
  position: absolute;
  top: -8px;
  left: -16px;
  font-size: 16px;
  opacity: 0.25;
  transform: rotate(-12deg);
}
.dept-works-list {
  position: relative;
}

/* 招新流程 STEP 图标绿色光晕加强 */
.tl-step .tl-num {
  position: relative;
}
.tl-step .tl-num::after {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(76,175,127,0.15) 0%, transparent 70%);
  pointer-events: none;
  animation: tlGlow 2s ease-in-out infinite;
}
@keyframes tlGlow {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

/* FAQ 区域绿色装饰 */
.faq-list::after {
  content: '🌱';
  position: absolute;
  bottom: -28px;
  right: 16px;
  font-size: 18px;
  opacity: 0.2;
  pointer-events: none;
  transform: rotate(-10deg);
}

/* CTA 区域绿色背景装饰加强 */
.cta-banner {
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50px;
  left: -50px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(76,175,127,0.07) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -30px;
  right: -30px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(76,175,127,0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* 投递简历页面 Hero 绿色装饰 */
.page-hero::after {
  content: '';
  position: absolute;
  bottom: 20px;
  right: 10%;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(76,175,127,0.07) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: greenFloat 5s ease-in-out infinite;
}

/* Footer 绿色装饰 */
.footer::before {
  content: '';
  position: absolute;
  top: -30px;
  left: 5%;
  width: 60px;
  height: 60px;
  background: radial-gradient(circle, rgba(76,175,127,0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* 表单 focus 时绿色边框加强 */
.field-input:focus, .field-textarea:focus {
  border-color: #4caf7f !important;
  box-shadow: 0 0 0 4px rgba(76,175,127,0.1) !important;
}

/* 成功弹窗绿色装饰加强（已在 apply.html 内联 CSS 中） */

/* 导航栏绿色装饰线 */
.nav::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(76,175,127,0.3), transparent);
  pointer-events: none;
}
.nav {
  position: relative;
}