/* ===== RESET & BASE ===== */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
:root {
  --primary: #1A3A5C;
  --primary-light: #2A5A8C;
  --primary-dark: #0D1F3C;
  --accent: #C9A96E;
  --accent-light: #DCC89A;
  --accent-dark: #A88B4E;
  --success: #2D8C5A;
  --warning: #E53935;
  --n900: #1A1A2E;
  --n700: #404060;
  --n500: #7A7A99;
  --n400: #9999B3;
  --n300: #B8B8CC;
  --n200: #D8D8E6;
  --n100: #F0F0F5;
  --n50: #F8F8FA;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 2px 8px rgba(13,31,60,.06);
  --shadow: 0 8px 32px rgba(13,31,60,.08);
  --shadow-lg: 0 16px 64px rgba(13,31,60,.12);
  --shadow-gold: 0 8px 32px rgba(201,169,110,.25);
  --transition: .4s cubic-bezier(.16,1,.3,1);
  --maxw: 1280px;
}
html { scroll-behavior:smooth; font-size:16px; }
body {
  font-family: 'Noto Sans SC', 'Inter', sans-serif;
  color: var(--n900); background: var(--n50);
  overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
section { position: relative; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 40px; }

/* ===== NAVBAR ===== */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,.85); backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(13,31,60,.06); transition: var(--transition); }
.navbar.scrolled { background: rgba(255,255,255,.95); box-shadow: var(--shadow-sm); }
.nav-inner { max-width: var(--maxw); margin: 0 auto; height: 72px; padding: 0 40px;
  display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 12px; cursor: pointer; }
.nav-logo-icon { width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  display: flex; align-items: center; justify-content: center;
  border: 1.5px solid var(--accent); transition: var(--transition); }
.nav-logo-icon i { color: var(--accent); font-size: 22px; }
.nav-logo:hover .nav-logo-icon { transform: scale(1.05); box-shadow: var(--shadow-gold); }
.nav-logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.nav-logo-text .zh { font-size: 18px; font-weight: 700; color: var(--primary); }
.nav-logo-text .en { font-size: 10px; color: var(--accent-dark); letter-spacing: 2px; font-weight: 500; }
.nav-menu { display: flex; align-items: center; gap: 8px; list-style: none; }
.nav-menu a { padding: 8px 18px; border-radius: 8px; font-size: 15px; font-weight: 500;
  color: var(--n700); transition: var(--transition); position: relative; }
.nav-menu a:hover { color: var(--primary); background: rgba(26,58,92,.06); }
.nav-menu a.active { color: var(--primary); background: rgba(26,58,92,.08); }
.nav-actions { display: flex; align-items: center; gap: 16px; }
.nav-search { width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--n200);
  background: var(--n50); display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: var(--transition); color: var(--n500); }
.nav-search:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: 12px; font-size: 15px; font-weight: 600; cursor: pointer;
  border: none; transition: var(--transition); font-family: inherit; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(13,31,60,.2); }
.btn-gold { background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%); color: #fff; }
.btn-gold:hover { transform: translateY(-2px); box-shadow: var(--shadow-gold); }
.btn-outline { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-lg { padding: 16px 36px; font-size: 16px; }

/* ===== HERO ===== */
.hero { min-height: 100vh; display: flex; align-items: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  position: relative; overflow: hidden; padding-top: 72px; }
#hero-canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; }
.hero::before { content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 20% 30%, rgba(201,169,110,.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(42,90,140,.3) 0%, transparent 50%); z-index: 2; }
.hero::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 120px;
  background: linear-gradient(to top, var(--n50), transparent); z-index: 3; }
.hero-content { position: relative; z-index: 10; max-width: var(--maxw); margin: 0 auto; padding: 0 40px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; width: 100%; }
.hero-text { animation: fadeInUp 1s ease; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 18px; border-radius: 100px;
  background: rgba(201,169,110,.15); border: 1px solid rgba(201,169,110,.3);
  color: var(--accent-light); font-size: 13px; font-weight: 500; margin-bottom: 28px; }
.hero-badge i { color: var(--accent); }
.hero h1 { font-size: 56px; font-weight: 900; line-height: 1.15; color: #fff; margin-bottom: 20px; letter-spacing: -1px; }
.hero h1 .gold { color: var(--accent); }
.hero h1 .gradient { background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-sub { font-size: 18px; line-height: 1.7; color: rgba(255,255,255,.7); margin-bottom: 40px; max-width: 520px; }
.hero-cta { display: flex; gap: 16px; margin-bottom: 56px; }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
  padding-top: 40px; border-top: 1px solid rgba(255,255,255,.1); }
.hero-stat .num { font-size: 36px; font-weight: 800; color: var(--accent); font-family: 'Inter', sans-serif; }
.hero-stat .label { font-size: 13px; color: rgba(255,255,255,.6); margin-top: 4px; }
.hero-visual { position: relative; animation: fadeInRight 1s ease; }
.hero-card { background: rgba(255,255,255,.08); backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-xl); padding: 32px; position: relative; overflow: hidden; }
.hero-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent); }
.hero-card-title { color: #fff; font-size: 18px; font-weight: 600; margin-bottom: 24px;
  display: flex; align-items: center; gap: 10px; }
.hero-card-title i { color: var(--accent); }
.ai-chat { display: flex; flex-direction: column; gap: 16px; }
.ai-msg { padding: 14px 18px; border-radius: 14px; font-size: 14px; line-height: 1.6; max-width: 85%; }
.ai-msg.user { background: var(--accent); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }
.ai-msg.bot { background: rgba(255,255,255,.08); color: rgba(255,255,255,.9);
  border: 1px solid rgba(255,255,255,.08); align-self: flex-start; border-bottom-left-radius: 4px; }
.ai-msg.bot .tag { display: inline-block; font-size: 11px; padding: 2px 8px;
  background: rgba(201,169,110,.2); color: var(--accent-light); border-radius: 4px; margin-right: 6px; }
.ai-typing { display: flex; gap: 4px; padding: 14px 18px; background: rgba(255,255,255,.08);
  border-radius: 14px; align-self: flex-start; border-bottom-left-radius: 4px; }
.ai-typing span { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: typing 1.4s infinite; }
.ai-typing span:nth-child(2) { animation-delay: .2s; }
.ai-typing span:nth-child(3) { animation-delay: .4s; }

/* ===== SECTION COMMON ===== */
.section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-tag { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; border-radius: 100px;
  background: rgba(26,58,92,.06); color: var(--primary); font-size: 13px; font-weight: 600; margin-bottom: 16px; }
.section-tag.gold { background: rgba(201,169,110,.1); color: var(--accent-dark); }
.section-title { font-size: 40px; font-weight: 800; color: var(--n900); line-height: 1.3; margin-bottom: 16px; }
.section-title .accent { color: var(--accent); }
.section-desc { font-size: 17px; color: var(--n500); max-width: 600px; margin: 0 auto; line-height: 1.7; }

/* ===== FEATURES ===== */
.features { background: #fff; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card { padding: 40px 32px; border-radius: var(--radius-lg); background: var(--n50);
  border: 1px solid var(--n100); transition: var(--transition); cursor: pointer; position: relative; overflow: hidden; }
.feature-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--accent); transform: scaleX(0); transform-origin: left; transition: var(--transition); }
.feature-card:hover { background: #fff; border-color: var(--n200); box-shadow: var(--shadow-lg); transform: translateY(-8px); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon { width: 64px; height: 64px; border-radius: 16px; display: flex; align-items: center; justify-content: center;
  font-size: 28px; margin-bottom: 24px; transition: var(--transition); }
.feature-card:hover .feature-icon { transform: scale(1.1) rotate(-5deg); }
.feature-icon.blue { background: rgba(26,58,92,.1); color: var(--primary); }
.feature-icon.green { background: rgba(45,140,90,.1); color: var(--success); }
.feature-icon.gold { background: rgba(201,169,110,.1); color: var(--accent-dark); }
.feature-icon.red { background: rgba(229,57,53,.08); color: var(--warning); }
.feature-card h3 { font-size: 20px; font-weight: 700; color: var(--n900); margin-bottom: 12px; }
.feature-card p { font-size: 14px; color: var(--n500); line-height: 1.7; }
.feature-card .arrow { margin-top: 20px; display: inline-flex; align-items: center; gap: 6px;
  color: var(--primary); font-size: 14px; font-weight: 600; opacity: 0; transform: translateX(-10px); transition: var(--transition); }
.feature-card:hover .arrow { opacity: 1; transform: translateX(0); }

/* ===== CITIES ===== */
.cities { background: var(--n50); }
.city-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.city-card { border-radius: var(--radius-lg); overflow: hidden; background: #fff;
  border: 1px solid var(--n100); transition: var(--transition); cursor: pointer; box-shadow: var(--shadow-sm); }
.city-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.city-img { height: 200px; position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.city-img::after { content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(13,31,60,.7) 0%, transparent 60%); }
.city-img .city-bg { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 80px; opacity: .15; }
.city-img .city-bg i { color: var(--primary); }
.city-img .city-tag { position: absolute; top: 16px; left: 16px; z-index: 2; padding: 4px 12px; border-radius: 100px;
  background: rgba(201,169,110,.9); color: #fff; font-size: 12px; font-weight: 600; }
.city-img .city-name-en { position: absolute; bottom: 16px; left: 20px; z-index: 2;
  color: rgba(255,255,255,.5); font-size: 12px; letter-spacing: 3px; text-transform: uppercase; font-weight: 500; }
.city-body { padding: 24px; }
.city-body h3 { font-size: 20px; font-weight: 700; color: var(--n900); margin-bottom: 8px; }
.city-body .desc { font-size: 14px; color: var(--n500); line-height: 1.6; margin-bottom: 16px; }
.city-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.city-tag { padding: 4px 10px; border-radius: 6px; font-size: 12px; font-weight: 500; background: rgba(26,58,92,.06); color: var(--primary); }
.city-stats { display: flex; gap: 20px; padding-top: 16px; border-top: 1px solid var(--n100); }
.city-stat .v { font-size: 20px; font-weight: 800; color: var(--primary); font-family: 'Inter'; }
.city-stat .l { font-size: 11px; color: var(--n500); }
.city-score { position: absolute; top: 16px; right: 16px; z-index: 2; width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255,255,255,.95); display: flex; flex-direction: column; align-items: center; justify-content: center;
  border: 2px solid var(--accent); }
.city-score .s { font-size: 18px; font-weight: 800; color: var(--primary); line-height: 1; }
.city-score .t { font-size: 8px; color: var(--n500); margin-top: 1px; }

/* ===== POLICIES ===== */
.policies { background: #fff; }
.policy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.policy-card { padding: 28px; border-radius: var(--radius); background: var(--n50);
  border: 1px solid var(--n100); transition: var(--transition); cursor: pointer; display: flex; gap: 20px; align-items: flex-start; }
.policy-card:hover { background: #fff; border-color: var(--accent); box-shadow: var(--shadow); transform: translateX(4px); }
.policy-icon { flex-shrink: 0; width: 52px; height: 52px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 22px; }
.policy-card h4 { font-size: 16px; font-weight: 600; color: var(--n900); margin-bottom: 8px; line-height: 1.5; }
.policy-meta { display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--n500); margin-bottom: 12px; }
.policy-meta i { margin-right: 4px; }
.policy-tags { display: flex; gap: 6px; }
.policy-tag { padding: 3px 10px; border-radius: 6px; font-size: 11px; font-weight: 500; }
.policy-tag.gold { background: rgba(201,169,110,.12); color: var(--accent-dark); }
.policy-tag.blue { background: rgba(26,58,92,.08); color: var(--primary); }
.policy-tag.green { background: rgba(45,140,90,.08); color: var(--success); }

/* ===== PROJECTS ===== */
.projects { background: var(--n50); }
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.project-card { border-radius: var(--radius-lg); overflow: hidden; background: #fff;
  border: 1px solid var(--n100); transition: var(--transition); cursor: pointer; box-shadow: var(--shadow-sm); }
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.project-img { height: 180px; position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.project-img i { font-size: 56px; opacity: .2; }
.project-status { position: absolute; top: 16px; right: 16px; padding: 4px 12px; border-radius: 100px; font-size: 12px; font-weight: 600; }
.project-status.recruiting { background: rgba(45,140,90,.9); color: #fff; }
.project-status.negotiating { background: rgba(201,169,110,.9); color: #fff; }
.project-status.signed { background: rgba(26,58,92,.9); color: #fff; }
.project-body { padding: 24px; }
.project-body h3 { font-size: 18px; font-weight: 700; color: var(--n900); margin-bottom: 8px; }
.project-loc { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--n500); margin-bottom: 16px; }
.project-meta { display: flex; justify-content: space-between; align-items: center; padding-top: 16px; border-top: 1px solid var(--n100); }
.project-amount { font-size: 24px; font-weight: 800; color: var(--primary); font-family: 'Inter'; }
.project-amount span { font-size: 14px; font-weight: 500; color: var(--n500); }
.project-ind { font-size: 12px; padding: 4px 10px; border-radius: 6px; background: rgba(26,58,92,.06); color: var(--primary); font-weight: 500; }

/* ===== AI MATCHING ===== */
.matching { background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%); position: relative; overflow: hidden; }
.matching::before { content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(201,169,110,.08) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(42,90,140,.2) 0%, transparent 50%); }
.matching .container { position: relative; z-index: 2; }
.matching .section-title { color: #fff; }
.matching .section-desc { color: rgba(255,255,255,.6); }
.matching .section-tag { background: rgba(201,169,110,.15); color: var(--accent-light); }
.match-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.match-visual { background: rgba(255,255,255,.06); backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-xl); padding: 40px; position: relative; }
.match-flow { display: flex; flex-direction: column; gap: 20px; }
.match-step { display: flex; align-items: center; gap: 16px; padding: 16px 20px; border-radius: 14px;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); transition: var(--transition); }
.match-step:hover { background: rgba(255,255,255,.08); border-color: rgba(201,169,110,.3); transform: translateX(8px); }
.match-step-num { flex-shrink: 0; width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 14px; font-family: 'Inter'; }
.match-step-text { color: rgba(255,255,255,.9); }
.match-step-text .t { font-size: 15px; font-weight: 600; margin-bottom: 2px; }
.match-step-text .d { font-size: 13px; color: rgba(255,255,255,.5); }
.match-score-ring { position: absolute; top: 20px; right: 20px; width: 80px; height: 80px; }
.match-score-ring svg { transform: rotate(-90deg); }
.match-score-ring .bg { stroke: rgba(255,255,255,.1); }
.match-score-ring .fg { stroke: var(--accent); stroke-linecap: round; }
.match-score-ring .val { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800; color: var(--accent); font-family: 'Inter'; }
.match-info h3 { font-size: 28px; font-weight: 800; color: #fff; margin-bottom: 20px; line-height: 1.4; }
.match-info p { font-size: 16px; color: rgba(255,255,255,.6); line-height: 1.8; margin-bottom: 32px; }
.match-features { display: flex; flex-direction: column; gap: 16px; margin-bottom: 40px; }
.match-feature { display: flex; align-items: flex-start; gap: 14px; }
.match-feature i { flex-shrink: 0; width: 24px; height: 24px; border-radius: 6px;
  background: rgba(201,169,110,.15); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 12px; margin-top: 2px; }
.match-feature .t { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.match-feature .d { color: rgba(255,255,255,.5); font-size: 13px; line-height: 1.6; }

/* ===== ACTIVITIES ===== */
.activities { background: #fff; }
.activity-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
.activity-card { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--n100);
  background: var(--n50); transition: var(--transition); cursor: pointer; }
.activity-card:hover { border-color: var(--n200); box-shadow: var(--shadow); transform: translateY(-4px); }
.activity-date { padding: 16px 20px; display: flex; align-items: center; gap: 16px; border-bottom: 1px solid var(--n100); background: #fff; }
.activity-date .day { font-size: 32px; font-weight: 800; color: var(--primary); font-family: 'Inter'; line-height: 1; }
.activity-date .month { font-size: 13px; color: var(--n500); font-weight: 500; }
.activity-date .type { margin-left: auto; padding: 4px 12px; border-radius: 100px; font-size: 11px; font-weight: 600; }
.activity-date .type.online { background: rgba(45,140,90,.1); color: var(--success); }
.activity-date .type.offline { background: rgba(26,58,92,.08); color: var(--primary); }
.activity-date .type.hybrid { background: rgba(201,169,110,.1); color: var(--accent-dark); }
.activity-body { padding: 20px; }
.activity-body h4 { font-size: 16px; font-weight: 600; color: var(--n900); margin-bottom: 10px; line-height: 1.5; }
.activity-loc { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--n500); margin-bottom: 16px; }
.activity-progress { display: flex; align-items: center; gap: 12px; }
.activity-bar { flex: 1; height: 6px; border-radius: 3px; background: var(--n100); overflow: hidden; }
.activity-bar-fill { height: 100%; border-radius: 3px; background: linear-gradient(90deg, var(--accent), var(--accent-dark)); transition: width 1s ease; }
.activity-count { font-size: 12px; color: var(--n500); white-space: nowrap; }

/* ===== STATS BANNER ===== */
.stats-banner { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); padding: 80px 0; position: relative; overflow: hidden; }
.stats-banner::before { content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(201,169,110,.08) 0%, transparent 70%); }
.stats-banner .container { position: relative; z-index: 2; }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; text-align: center; }
.stat-item .icon { width: 56px; height: 56px; border-radius: 14px; background: rgba(201,169,110,.15);
  color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 24px;
  margin: 0 auto 20px; border: 1px solid rgba(201,169,110,.2); }
.stat-item .num { font-size: 48px; font-weight: 900; color: #fff; font-family: 'Inter'; line-height: 1; }
.stat-item .num .unit { font-size: 20px; color: var(--accent); margin-left: 4px; }
.stat-item .label { font-size: 15px; color: rgba(255,255,255,.5); margin-top: 12px; }

/* ===== CTA ===== */
.cta-section { padding: 100px 0; background: var(--n50); }
.cta-box { max-width: 900px; margin: 0 auto; text-align: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-xl); padding: 64px 48px; position: relative; overflow: hidden; }
.cta-box::before { content: ''; position: absolute; top: -50%; right: -10%;
  width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,169,110,.15) 0%, transparent 70%); }
.cta-box h2 { font-size: 36px; font-weight: 800; color: #fff; margin-bottom: 16px; position: relative; z-index: 2; }
.cta-box p { font-size: 17px; color: rgba(255,255,255,.6); margin-bottom: 40px; position: relative; z-index: 2; }
.cta-box .btn { position: relative; z-index: 2; }

/* ===== FOOTER ===== */
.footer { background: var(--n900); color: var(--n400); padding: 80px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr; gap: 48px; margin-bottom: 64px; }
.footer-brand .logo { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.footer-brand .logo-icon { width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border: 1.5px solid var(--accent); display: flex; align-items: center; justify-content: center; }
.footer-brand .logo-icon i { color: var(--accent); font-size: 22px; }
.footer-brand .logo .zh { font-size: 18px; font-weight: 700; color: #fff; }
.footer-brand .logo .en { font-size: 10px; color: var(--accent); letter-spacing: 2px; }
.footer-brand p { font-size: 14px; line-height: 1.7; margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center;
  color: var(--n400); transition: var(--transition); }
.footer-social a:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-2px); }
.footer-col h5 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 20px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: 14px; transition: var(--transition); }
.footer-col a:hover { color: var(--accent); }
.footer-qr { text-align: center; }
.footer-qr .qr-box { width: 120px; height: 120px; border-radius: 12px; background: #fff;
  margin: 0 auto 12px; display: flex; align-items: center; justify-content: center; }
.footer-qr .qr-box i { font-size: 80px; color: var(--n900); }
.footer-qr p { font-size: 12px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.06); padding-top: 32px;
  display: flex; justify-content: space-between; align-items: center; font-size: 13px; }
.footer-bottom a:hover { color: var(--accent); }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInRight { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }
@keyframes typing { 0%, 60%, 100% { opacity: .3; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-6px); } }
.reveal { opacity: 0; transform: translateY(40px); transition: opacity .8s ease, transform .8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .city-grid, .project-grid, .activity-grid { grid-template-columns: repeat(2, 1fr); }
  .policy-grid { grid-template-columns: 1fr; }
  .match-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .stats-row { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .nav-menu { display: none; }
}
@media (max-width: 640px) {
  .container, .nav-inner { padding: 0 20px; }
  .hero h1 { font-size: 36px; }
  .section-title { font-size: 28px; }
  .section { padding: 64px 0; }
  .feature-grid, .city-grid, .project-grid, .activity-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stats-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}