/* ============================================================
   源创天工 · 生态伙伴 & 联系我们 · 共用样式
   导航 / 页脚 / 基础组件与其他板块保持一致
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600;700;900&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:       #0a1628;
  --primary-mid:   #0f2544;
  --primary-light: #1a3a6b;
  --blue:          #1a56db;
  --blue-hover:    #1549c7;
  --accent:        #00c2ff;
  --accent-warm:   #f59e0b;
  --text-dark:     #0a1628;
  --text-mid:      #334155;
  --text-muted:    #64748b;
  --text-light:    #94a3b8;
  --bg:            #f8fafd;
  --bg-white:      #ffffff;
  --bg-section:    #f1f5fb;
  --border:        #e2e8f0;
  --border-light:  #f0f4f8;
  --shadow-xs:     0 1px 2px rgba(10,22,40,.06);
  --shadow-sm:     0 2px 8px rgba(10,22,40,.08);
  --shadow-md:     0 4px 20px rgba(10,22,40,.10);
  --shadow-blue:   0 4px 20px rgba(26,86,219,.18);
  --radius:        10px;
  --radius-lg:     16px;
  --radius-xl:     24px;
  --transition:    .22s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', sans-serif;
  color: var(--text-dark);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.section   { padding: 80px 0; }
.section-sm{ padding: 48px 0; }
.text-center { text-align: center; }

.section-eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--blue); background: rgba(26,86,219,.08);
  border: 1px solid rgba(26,86,219,.15); border-radius: 20px; padding: 4px 14px; margin-bottom: 14px;
}
.section-title {
  font-size: 30px; font-weight: 700; color: var(--primary);
  margin-bottom: 10px; letter-spacing: -.3px; line-height: 1.3;
}
.section-sub {
  font-size: 15px; color: var(--text-muted);
  max-width: 560px; line-height: 1.75; margin: 0 auto;
}

/* ============================================================
   导航栏（源创天工主页风格）
   ============================================================ */
.navbar {
  background: #fff;
  border-bottom: 1px solid #e8edf2;
  position: sticky; top: 0; z-index: 200;
}
.navbar .container {
  display: flex; align-items: center;
  justify-content: space-between; height: 64px;
}
.navbar-brand {
  display: flex; align-items: center; gap: 8px;
  text-decoration: none; flex-shrink: 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name-cn { font-size: 15px; font-weight: 700; color: #111827; letter-spacing: 1px; }
.nav-links { display: flex; align-items: center; list-style: none; margin: 0 auto; }
.nav-links a {
  display: block; padding: 6px 18px; font-size: 15px; font-weight: 400;
  color: #374151; text-decoration: none; transition: color .18s; white-space: nowrap; letter-spacing: .3px;
}
.nav-links a:hover { color: var(--blue); }
.nav-links a.active { color: var(--blue); font-weight: 500; }
.nav-right { flex-shrink: 0; }
.nav-login-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 18px; border: 1.5px solid #c5d3e8; border-radius: 20px;
  font-size: 14px; color: #374151; text-decoration: none; transition: all .18s;
}
.nav-login-btn:hover { border-color: var(--blue); color: var(--blue); background: rgba(26,86,219,.04); }

/* ============================================================
   按钮
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 10px 22px; border-radius: 9px; font-size: 14px; font-weight: 600;
  text-decoration: none; border: none; cursor: pointer; transition: var(--transition);
  white-space: nowrap; font-family: inherit;
}
.btn-primary { background: var(--blue); color: white; box-shadow: var(--shadow-blue); }
.btn-primary:hover { background: var(--blue-hover); transform: translateY(-1px); }
.btn-outline { background: transparent; color: white; border: 1.5px solid rgba(255,255,255,.4); }
.btn-outline:hover { border-color: rgba(255,255,255,.8); background: rgba(255,255,255,.1); }
.btn-ghost { background: transparent; color: var(--text-mid); border: 1.5px solid var(--border); }
.btn-ghost:hover { background: var(--bg-section); color: var(--text-dark); }

/* ============================================================
   Hero（深色大图顶部）
   ============================================================ */
.hero {
  background: var(--primary); color: white;
  padding: 80px 0 80px; position: relative; overflow: hidden;
}
.hero-sm { padding: 64px 0 88px; }
.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 48px 48px; pointer-events: none;
}
.hero-bg-orb1 {
  position: absolute; top: -120px; right: -100px;
  width: 580px; height: 580px; border-radius: 50%;
  background: radial-gradient(circle, rgba(26,86,219,.25) 0%, transparent 65%);
  pointer-events: none;
}
.hero-bg-orb2 {
  position: absolute; bottom: -140px; left: -80px;
  width: 460px; height: 460px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,194,255,.1) 0%, transparent 65%);
  pointer-events: none;
}
.page-hero-inner { max-width: 700px; }
.page-hero-center { max-width: 700px; margin: 0 auto; text-align: center; }
.page-hero-center .hero-desc { max-width: 580px; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 7px;
  background: rgba(0,194,255,.12); color: var(--accent);
  border: 1px solid rgba(0,194,255,.25); border-radius: 20px;
  padding: 5px 14px; font-size: 12px; font-weight: 600; letter-spacing: .5px; margin-bottom: 20px;
}
.hero-tag-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(.7)} }
.hero h1 { font-size: 42px; font-weight: 900; line-height: 1.2; margin-bottom: 18px; letter-spacing: -.6px; }
.hero h1 em { color: var(--accent); font-style: normal; }
.hero-desc { font-size: 15.5px; color: rgba(255,255,255,.72); max-width: 560px; margin-bottom: 32px; line-height: 1.8; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 44px; }
.hero-stats {
  display: grid; grid-template-columns: repeat(4,1fr);
  background: rgba(255,255,255,.08); border-radius: var(--radius-lg);
  overflow: hidden; border: 1px solid rgba(255,255,255,.1);
}
.hero-stat {
  padding: 18px 14px; text-align: center;
  border-right: 1px solid rgba(255,255,255,.08); transition: var(--transition);
}
.hero-stat:last-child { border-right: none; }
.hero-stat:hover { background: rgba(255,255,255,.06); }
.stat-value { font-size: 28px; font-weight: 900; color: var(--accent-warm); line-height: 1; letter-spacing: -1px; }
.stat-label { font-size: 11px; color: rgba(255,255,255,.5); margin-top: 5px; }

/* ============================================================
   合作价值卡片
   ============================================================ */
.value-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 20px;
}
.value-card {
  background: white; border: 1.5px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 24px;
  transition: var(--transition); position: relative; overflow: hidden;
}
.value-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--accent));
  transform: scaleX(0); transition: var(--transition); transform-origin: left;
}
.value-card:hover { border-color: transparent; box-shadow: var(--shadow-md); transform: translateY(-3px); }
.value-card:hover::before { transform: scaleX(1); }
.value-icon { font-size: 32px; margin-bottom: 14px; }
.value-title { font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.value-desc { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* ============================================================
   四类伙伴卡片
   ============================================================ */
.partner-types {
  display: grid; grid-template-columns: repeat(2,1fr); gap: 20px;
}
.ptype-card {
  background: white; border: 1.5px solid var(--border);
  border-radius: var(--radius-xl); overflow: hidden;
  transition: var(--transition);
}
.ptype-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.ptype-header {
  display: flex; align-items: center; gap: 16px;
  padding: 22px 24px;
}
.ptype-blue   { background: linear-gradient(135deg,#1a3a6b,#1a56db); }
.ptype-teal   { background: linear-gradient(135deg,#065f46,#059669); }
.ptype-orange { background: linear-gradient(135deg,#92400e,#d97706); }
.ptype-purple { background: linear-gradient(135deg,#4c1d95,#7c3aed); }
.ptype-num {
  font-size: 11px; font-weight: 800; color: rgba(255,255,255,.5);
  letter-spacing: 1px; align-self: flex-start; padding-top: 2px;
}
.ptype-icon { font-size: 28px; flex-shrink: 0; }
.ptype-name { font-size: 17px; font-weight: 700; color: white; }
.ptype-sub  { font-size: 12px; color: rgba(255,255,255,.65); margin-top: 3px; }
.ptype-body { padding: 22px 24px; }
.ptype-body p { font-size: 13.5px; color: var(--text-mid); line-height: 1.75; margin-bottom: 16px; }
.ptype-provides-title {
  font-size: 11px; font-weight: 700; color: var(--text-muted);
  letter-spacing: .5px; text-transform: uppercase; margin-bottom: 8px;
}
.ptype-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.ptag2 {
  font-size: 12px; padding: 4px 10px; border-radius: 6px;
  background: rgba(26,86,219,.07); color: var(--blue);
  border: 1px solid rgba(26,86,219,.12); font-weight: 500;
}
.ptag2-alt {
  background: rgba(100,116,139,.07); color: var(--text-mid);
  border-color: var(--border);
}

/* ============================================================
   加入流程
   ============================================================ */
.join-steps {
  display: flex; align-items: center; justify-content: center;
  gap: 0; background: white; border: 1.5px solid var(--border);
  border-radius: var(--radius-xl); overflow: hidden;
}
.join-step { flex: 1; padding: 36px 28px; text-align: center; }
.join-step + .join-step { border-left: 1px solid var(--border-light); }
.join-arrow {
  font-size: 24px; color: var(--text-light); flex-shrink: 0;
  padding: 0 4px;
}
.js-num { font-size: 11px; font-weight: 800; color: var(--blue); letter-spacing: 1px; margin-bottom: 12px; }
.js-icon { font-size: 36px; margin-bottom: 12px; }
.js-title { font-size: 17px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.js-desc { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* ============================================================
   生态覆盖网格
   ============================================================ */
.eco-grid {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 16px;
}
.eco-item {
  background: white; border: 1.5px solid var(--border);
  border-radius: var(--radius-lg); padding: 22px 18px;
  text-align: center; transition: var(--transition);
}
.eco-item:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: rgba(26,86,219,.2); }
.eco-icon { font-size: 28px; margin-bottom: 10px; }
.eco-name { font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.eco-desc { font-size: 12px; color: var(--text-muted); line-height: 1.65; }

/* ============================================================
   联系表单区
   ============================================================ */
.contact-wrap {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start;
}
.contact-wrap-lg { grid-template-columns: 1.2fr 1fr; }
.contact-form {
  background: white; border-radius: var(--radius-xl);
  border: 1.5px solid var(--border); padding: 36px; box-shadow: var(--shadow-sm);
}
.contact-form-title { font-size: 17px; font-weight: 700; color: var(--primary); margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 13px; font-weight: 600; color: var(--text-mid); margin-bottom: 7px; }
.form-control {
  width: 100%; padding: 10px 14px; border-radius: 9px; border: 1.5px solid var(--border);
  font-size: 14px; color: var(--text-dark); background: white;
  transition: var(--transition); font-family: inherit; outline: none;
}
.form-control:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(26,86,219,.08); }
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px;
}
textarea.form-control { resize: vertical; min-height: 120px; }
.btn-submit {
  background: linear-gradient(135deg, var(--blue) 0%, var(--primary-light) 100%);
  color: white; border: none; border-radius: 9px; padding: 13px 28px;
  font-size: 15px; font-weight: 700; cursor: pointer; width: 100%;
  transition: var(--transition); box-shadow: var(--shadow-blue); font-family: inherit;
}
.btn-submit:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(26,86,219,.3); }
.contact-intro { font-size: 15px; color: var(--text-mid); line-height: 1.8; margin-bottom: 20px; }
.contact-item {
  display: flex; align-items: flex-start; gap: 14px;
  margin-bottom: 10px; padding: 13px 16px;
  background: white; border-radius: var(--radius); border: 1.5px solid var(--border);
  transition: var(--transition);
}
.contact-item:hover { border-color: rgba(26,86,219,.2); box-shadow: var(--shadow-sm); }
.contact-item-icon { font-size: 20px; flex-shrink: 0; margin-top: 1px; }
.contact-item-label { font-size: 11px; color: var(--text-muted); font-weight: 600; margin-bottom: 3px; }
.contact-item-value { font-size: 14px; color: var(--text-dark); font-weight: 500; }

/* ============================================================
   联系我们专用组件
   ============================================================ */
/* 顶部四大入口卡片 */
.contact-entry-grid {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 16px;
}
.contact-entry-card {
  background: white; border: 1.5px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px 20px;
  text-align: center; transition: var(--transition);
  position: relative; overflow: hidden;
}
.contact-entry-card::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--accent));
  transform: scaleX(0); transition: var(--transition); transform-origin: center;
}
.contact-entry-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: transparent; }
.contact-entry-card:hover::after { transform: scaleX(1); }
.ce-icon { font-size: 32px; margin-bottom: 12px; }
.ce-title { font-size: 15px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.ce-desc { font-size: 12.5px; color: var(--text-muted); line-height: 1.65; margin-bottom: 12px; }
.ce-contact { font-size: 12px; color: var(--blue); font-weight: 600; }

/* 信息分区标题 */
.info-section-title {
  font-size: 12px; font-weight: 700; color: var(--text-muted);
  letter-spacing: 1px; text-transform: uppercase; margin-bottom: 12px;
}

/* 平台快速导航 */
.platform-quick-nav { display: flex; flex-direction: column; gap: 8px; }
.pqn-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; background: white;
  border: 1.5px solid var(--border); border-radius: var(--radius);
  text-decoration: none; transition: var(--transition);
}
.pqn-item:hover { border-color: rgba(26,86,219,.25); background: rgba(26,86,219,.03); }
.pqn-icon { font-size: 20px; flex-shrink: 0; }
.pqn-name { font-size: 14px; font-weight: 600; color: var(--primary); }
.pqn-sub  { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* 响应承诺条 */
.reply-promise {
  display: flex; align-items: flex-start; gap: 14px;
  margin-top: 20px; padding: 16px 18px;
  background: linear-gradient(135deg, rgba(26,86,219,.06), rgba(0,194,255,.04));
  border: 1.5px solid rgba(26,86,219,.15); border-radius: var(--radius-lg);
}
.rp-icon { font-size: 24px; flex-shrink: 0; }
.rp-title { font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 5px; }
.rp-desc { font-size: 12.5px; color: var(--text-muted); line-height: 1.65; }

/* 常见问题 */
.faq-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
.faq-item {
  background: white; border: 1.5px solid var(--border);
  border-radius: var(--radius-lg); padding: 22px 24px;
  transition: var(--transition);
}
.faq-item:hover { border-color: rgba(26,86,219,.2); box-shadow: var(--shadow-sm); }
.faq-q {
  font-size: 15px; font-weight: 700; color: var(--primary);
  margin-bottom: 10px; line-height: 1.4;
  display: flex; align-items: flex-start; gap: 8px;
}
.faq-q::before { content: 'Q'; color: var(--blue); font-weight: 800; flex-shrink: 0; }
.faq-a { font-size: 13.5px; color: var(--text-muted); line-height: 1.75; padding-left: 20px; }

/* ============================================================
   页脚
   ============================================================ */
.footer { background: var(--primary); color: rgba(255,255,255,.6); padding: 56px 0 24px; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}
.footer-brand-name { font-size: 19px; font-weight: 800; color: white; margin-bottom: 12px; letter-spacing: -.3px; }
.footer-brand-desc { font-size: 13px; line-height: 1.8; }
.footer-col-title { font-size: 12px; font-weight: 700; color: rgba(255,255,255,.45); margin-bottom: 16px; letter-spacing: 1px; text-transform: uppercase; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,.5); text-decoration: none; transition: var(--transition); }
.footer-links a:hover { color: white; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding-top: 20px;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px; flex-wrap: wrap; gap: 8px;
}
.footer-bottom-note { display: flex; align-items: center; gap: 8px; }
.footer-badge {
  background: rgba(26,86,219,.3); color: var(--accent);
  padding: 2px 9px; border-radius: 5px; font-size: 11px; font-weight: 600;
}

/* Toast */
.toast {
  position: fixed; bottom: 24px; right: 24px;
  background: #065f46; color: white;
  padding: 12px 20px; border-radius: 10px;
  font-size: 14px; font-weight: 500; z-index: 9999;
  transform: translateY(100px); opacity: 0; transition: all .3s;
  box-shadow: 0 8px 40px rgba(10,22,40,.12);
}
.toast.show { transform: translateY(0); opacity: 1; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .value-grid { grid-template-columns: repeat(2,1fr); }
  .eco-grid { grid-template-columns: repeat(2,1fr); }
  .contact-entry-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .hero-stats { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .section { padding: 56px 0; }
  .hero { padding: 56px 0 52px; }
  .hero-sm { padding: 52px 0 72px; }
  .hero h1 { font-size: 30px; }
  .nav-links { display: none; }
  .partner-types { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .eco-grid { grid-template-columns: repeat(2,1fr); }
  .contact-wrap { grid-template-columns: 1fr; }
  .contact-entry-grid { grid-template-columns: repeat(2,1fr); }
  .faq-grid { grid-template-columns: 1fr; }
  .join-steps { flex-direction: column; border-radius: var(--radius-lg); }
  .join-step + .join-step { border-left: none; border-top: 1px solid var(--border-light); }
  .join-arrow { transform: rotate(90deg); }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .eco-grid { grid-template-columns: 1fr; }
  .contact-entry-grid { grid-template-columns: 1fr; }
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 2px 20px rgba(21, 101, 192, 0.08);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    color: var(--text-white);
    box-shadow: 0 4px 12px rgba(21, 101, 192, 0.3);
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-blue);
    letter-spacing: 1px;
}

.logo-subtitle {
    font-size: 12px;
    color: var(--text-light);
    font-weight: 400;
    margin-left: 8px;
}

.nav-menu {
    display: flex;
    gap: 35px;
    align-items: center;
}

.nav-menu a {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 16px;
    font-weight: 300;
    position: relative;
    transition: var(--transition);
    padding: 8px 0;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-blue);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.lang-btn,
.pdf-btn {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-gray);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
    margin-left: 10px;
}

.lang-btn:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    background: rgba(21, 101, 192, 0.05);
}


/* ===== 页脚 ===== */
.footer {
    padding: 50px 0 25px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 35px;
    margin-bottom: 35px;
}

.footer-column h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-blue);
    display: inline-block;
}

.footer-column p,
.footer-column a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    text-decoration: none;
    display: block;
    margin-bottom: 10px;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
}