/* Songkeefood 官网美化样式 */
:root {
  --primary: #2a7ae2;
  --secondary: #f7b731;
  --bg: #f9f9f9;
  --text: #222;
  --muted: #666;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --font-main: 'Segoe UI', 'PingFang SC', 'Hiragino Sans', Arial, sans-serif;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-main);
  margin: 0;
  padding: 0;
}
.container, .container-fluid {
  padding-top: 32px;
  padding-bottom: 32px;
}
h1, h2, h3, h4, h5, h6 {
  color: var(--primary);
  font-weight: 700;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover {
  color: var(--secondary);
}
.navbar, .navbar-default, nav {
  background: #fff;
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  margin-bottom: 24px;
}
.navbar-nav > li > a, nav a {
  color: var(--text) !important;
  font-weight: 500;
  padding: 12px 18px;
  border-radius: var(--radius);
  transition: background 0.2s;
}
.navbar-nav > li > a:hover, nav a:hover {
  background: var(--primary);
  color: #fff !important;
}
.btn, button, input[type="submit"] {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 10px 28px;
  font-size: 1rem;
  font-weight: 600;
  box-shadow: var(--shadow);
  transition: background 0.2s, box-shadow 0.2s;
}
.btn:hover, button:hover, input[type="submit"]:hover {
  background: var(--secondary);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.card, .product-card, .info-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 24px;
}
img, .img-fluid {
  max-width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}
input, textarea, select {
  border: 1px solid #ddd;
  border-radius: var(--radius);
  padding: 10px;
  font-size: 1rem;
  margin-bottom: 16px;
  width: 100%;
  box-sizing: border-box;
  transition: border 0.2s;
}
input:focus, textarea:focus, select:focus {
  border: 1.5px solid var(--primary);
  outline: none;
}
.form-group label {
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--muted);
}
footer {
  background: #222;
  color: #fff;
  padding: 32px 0 16px 0;
  text-align: center;
  border-radius: var(--radius) var(--radius) 0 0;
  margin-top: 48px;
}

/* 导航栏美化与优化 */
.navbar-custom {
    background: linear-gradient(90deg, rgba(42,122,226,0.13) 0%, rgba(247,183,49,0.13) 100%), rgba(255,255,255,0.82);
    backdrop-filter: blur(16px);
    box-shadow: 0 8px 32px rgba(42,122,226,0.13), 0 2px 10px rgba(0,0,0,0.10);
    border-radius: var(--radius);
    border-bottom: 2.5px solid var(--primary);
    transition: background 0.5s, box-shadow 0.5s;
}
.navbar-custom:hover, .navbar-custom:focus-within {
    background: linear-gradient(90deg, rgba(42,122,226,0.18) 0%, rgba(247,183,49,0.18) 100%), rgba(255,255,255,0.92);
    box-shadow: 0 16px 48px rgba(42,122,226,0.18), 0 4px 20px rgba(0,0,0,0.13);
}

/* 渐变流动动画 */
@keyframes navbarGradientFlow {
  0% { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}
.navbar-custom {
  background: linear-gradient(90deg, rgba(42,122,226,0.13) 0%, rgba(247,183,49,0.13) 100%, rgba(255,255,255,0.82));
  background-size: 200% 200%;
  animation: navbarGradientFlow 8s linear infinite alternate;
}

/* sticky吸顶滚动阴影动画 */
.sticky-top.scrolled {
  box-shadow: 0 8px 32px rgba(42,122,226,0.22), 0 2px 10px rgba(0,0,0,0.18) !important;
  background: linear-gradient(90deg, rgba(42,122,226,0.18) 0%, rgba(247,183,49,0.18) 100%, rgba(255,255,255,0.92));
  transition: box-shadow 0.4s, background 0.4s;
}

/* Logo发光脉冲动画 */
@keyframes logoPulse {
  0% { box-shadow: 0 0 0 0 rgba(42,122,226,0.18), 0 2px 8px rgba(42,122,226,0.10); }
  50% { box-shadow: 0 0 24px 8px rgba(42,122,226,0.22), 0 2px 8px rgba(42,122,226,0.10); }
  100% { box-shadow: 0 0 0 0 rgba(42,122,226,0.18), 0 2px 8px rgba(42,122,226,0.10); }
}
.navbar-custom .navbar-brand img {
  animation: logoPulse 3.5s infinite;
}

.navbar-custom .navbar-brand {
    position: relative;
    z-index: 2;
}
.navbar-custom .navbar-brand img {
    transition: transform 0.35s cubic-bezier(.4,0,.2,1), box-shadow 0.35s;
    box-shadow: 0 2px 8px rgba(42,122,226,0.10);
    border-radius: 50%;
}
.navbar-custom .navbar-brand::before {
    content: '';
    position: absolute;
    left: 50%; top: 50%;
    transform: translate(-50%,-50%);
    width: 120px; height: 120px;
    background: radial-gradient(circle, rgba(42,122,226,0.12) 0%, rgba(247,183,49,0.10) 80%, transparent 100%);
    filter: blur(8px);
    z-index: 1;
    pointer-events: none;
}
.navbar-custom .navbar-brand img:hover {
    transform: scale(1.12) rotate(-2deg);
    box-shadow: 0 8px 32px rgba(70,116,38,0.22);
}

.nav-link-custom {
    color: var(--text) !important;
    font-weight: 600;
    font-family: 'Segoe UI', 'PingFang SC', Arial, sans-serif;
    letter-spacing: 0.5px;
    font-size: 1.08rem;
    transition: all 0.3s cubic-bezier(.4,0,.2,1);
    position: relative;
    padding-bottom: 8px;
    margin: 0 0.5rem;
    text-shadow: 0 2px 8px rgba(42,122,226,0.08);
    display: inline-flex;
    align-items: center;
}
.nav-link-custom .nav-icon {
    margin-right: 0.5em;
    font-size: 1.1em;
    vertical-align: -0.1em;
    opacity: 0.85;
    transition: color 0.2s;
}
.nav-link-custom::after {
    content: '';
    display: block;
    position: absolute;
    left: 20%; right: 20%; bottom: 0;
    height: 3px;
    background: linear-gradient(270deg, var(--primary), var(--secondary), var(--primary));
    background-size: 200% 100%;
    border-radius: 2px;
    transform: scaleX(0);
    transition: transform 0.35s cubic-bezier(.4,0,.2,1), background-position 1.2s linear;
}
.nav-link-custom:hover, .nav-link-custom:focus {
    color: #fff !important;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    text-shadow: 0 2px 8px rgba(42,122,226,0.18), 0 0 2px #000;
    transform: translateY(-2px) scale(1.04);
    border-radius: 8px;
}
.nav-link-custom:hover::after, .nav-link-custom:focus::after {
    transform: scaleX(1);
    background-position: 100% 0;
}

/* 下拉菜单美化 */
.dropdown-menu {
    border-radius: 18px;
    box-shadow: 0 16px 48px rgba(42,122,226,0.16);
    border: none;
    padding: 0.8rem 0;
    background: linear-gradient(120deg, rgba(42,122,226,0.10) 0%, rgba(247,183,49,0.10) 100%), rgba(255,255,255,0.99);
    backdrop-filter: blur(8px);
    animation: dropdownFadeIn 0.38s cubic-bezier(.4,0,.2,1);
}
@keyframes dropdownFadeIn {
    from { opacity: 0; transform: translateY(-12px); }
    to   { opacity: 1; transform: translateY(0); }
}
.dropdown-item {
    padding: 0.95rem 2.4rem 0.95rem 2.2rem;
    font-weight: 500;
    color: var(--text);
    border-radius: 10px;
    font-size: 1.08rem;
    transition: background 0.22s, color 0.22s, transform 0.22s;
    display: flex;
    align-items: center;
}
.dropdown-item .nav-icon {
    margin-right: 0.7em;
    font-size: 1.1em;
    vertical-align: -0.1em;
    opacity: 0.85;
    transition: color 0.2s;
}
.dropdown-item:hover, .dropdown-item:focus {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: #fff;
    transform: scale(1.06);
}

/* 优化后的移动端折叠按钮 */
.navbar-toggler {
    border: 2.5px solid var(--primary) !important;
    border-radius: 18px;
    padding: 0.8rem 1.3rem;
    background: rgba(42,122,226,0.13);
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(42,122,226,0.10);
}
.navbar-toggler:focus {
    box-shadow: 0 0 0 5px rgba(33,136,56,0.18);
}
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='rgba(42,122,226, 1)' stroke-width='2.5' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    width: 1.8em;
    height: 1.8em;
}

@media (max-width: 768px) {
    .navbar-toggler {
        margin: 0.8rem 0;
        transform: scale(1.22);
    }
    .navbar-collapse {
        background: rgba(255,255,255,0.995);
        border-radius: 18px;
        margin-top: 0.8rem;
        padding: 1.3rem;
        box-shadow: 0 8px 32px rgba(42,122,226,0.16);
    }
    .nav-link-custom {
        font-size: 1.22rem;
        padding: 20px 0;
        margin: 0 0.2rem;
    }
} 

/* 所有页面导航栏窄版样式，统一与首页一致 */
body .navbar-custom {
  padding-top: 0.3rem !important;
  padding-bottom: 0.3rem !important;
}
body .navbar-custom .container {
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}
body .nav-link-custom {
  margin-left: 0.5rem !important;
  margin-right: 0.5rem !important;
  padding-left: 0.5rem !important;
  padding-right: 0.5rem !important;
  font-size: 1rem;
}
body .navbar-brand img {
  width: 100px !important;
  max-width: 100px !important;
}