/* 主题色定义 */
:root {
    --main-blue: #4A6A8A;
    --main-green: #4B5D52;
    --main-brown: #A89F91;
    --main-beige: #F5F3EF;
    --main-dark: #2C3A47;
    --main-gold: #C2B280;
    --main-gradient: linear-gradient(135deg, #4A6A8A 0%, #4B5D52 100%);
    --card-bg: #e6e9ef;
    --card-bg2: #dbe6e4;
    --card-bg3: #e9e6db;
    --shadow: 0 8px 32px 0 rgba(44,58,71,0.18);
    --glass: rgba(255,255,255,0.12);
}

body {
    font-family: "Microsoft YaHei", "微软雅黑", 'Noto Serif SC', serif, sans-serif;
    background: var(--main-gradient);
    min-height: 100vh;
    color: #2C3A47;
    letter-spacing: 0.03em;
}

/* 导航栏美化 */
.navbar {
    width: 100%;
    background: rgba(74,106,138,0.85);
    box-shadow: var(--shadow);
    z-index: 1000;
    backdrop-filter: blur(12px);
    border-bottom: 1.5px solid var(--main-gold);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 18px 0 18px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}
.logo::before {
    content: '';
    display: block;
    width: 4px;
    height: 40px;
    background: var(--main-gold);
    border-radius: 2px;
    margin-right: 16px;
}
.logo img {
    height: 48px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(74,106,138,0.12);
    transition: transform 0.4s cubic-bezier(.4,2,.6,1);
}
.logo img:hover {
    transform: scale(1.08) rotate(-2deg);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 38px;
}

.nav-links a {
    text-decoration: none;
    color: #e6e9ef;
    font-size: 18px;
    font-family: 'Noto Serif SC', serif;
    letter-spacing: 0.08em;
    position: relative;
    padding: 6px 0;
    transition: color 0.4s cubic-bezier(.4,2,.6,1);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--main-gold);
    border-radius: 2px;
    transition: width 0.4s cubic-bezier(.4,2,.6,1), left 0.4s cubic-bezier(.4,2,.6,1);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 80%;
    left: 10%;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--main-gold);
    text-shadow: 0 0 8px #fff2, 0 0 16px var(--main-gold);
}

/* Banner美化 */
.banner {
    margin-top: 80px;
    width: 100%;
    height: 480px;
    overflow: hidden;
    position: relative;
    border-radius: 0 0 48px 48px;
    box-shadow: var(--shadow);
}
.banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.banner::after {
    content: '';
    position: absolute;
    left: 0; top: 0; right: 0; bottom: 0;
    background: linear-gradient(120deg,rgba(74,106,138,0.18) 0%,rgba(200,200,200,0.08) 100%);
    pointer-events: none;
}


/* 内容区美化 */
.main-content {
    max-width: 998px;
    margin: 60px auto 0 auto;
    padding: 0 24px 60px 24px;
}

.fade-in {
    opacity: 0;
    transform: translateY(40px);
    animation: fadeInUp 1.2s cubic-bezier(.4,2,.6,1) forwards;
}
.fade-in:nth-child(2) { animation-delay: 0.2s; }
.fade-in:nth-child(3) { animation-delay: 0.4s; }
.fade-in:nth-child(4) { animation-delay: 0.6s; }
@keyframes fadeInUp {
    to { opacity: 1; transform: none; }
}

/* 品牌介绍 */
.brand-intro {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--card-bg2);
    border-radius: 32px;
    box-shadow: var(--shadow);
    margin: 48px 0 36px 0;
    padding: 48px 36px;
    gap: 48px;
}
.brand-text h2 {
    color: var(--main-blue);
    font-size: 2.2em;
    margin-bottom: 18px;
    font-family: 'Noto Serif SC', serif;
}
.brand-text p {
    color: #4B5D52;
    font-size: 1.15em;
    line-height: 2;
}
.brand-img img {
    width: 220px;
    height: 220px;
    object-fit: cover;
    border-radius: 24px;
    box-shadow: 0 4px 24px 0 rgba(74,106,138,0.13);
    border: 4px solid var(--main-blue);
    background: var(--main-beige);
}

/* 茶文化专栏 */
.tea-culture {
    background: var(--card-bg3);
    border-radius: 28px;
    box-shadow: var(--shadow);
    margin: 36px 0;
    padding: 36px 32px 32px 32px;
}
.tea-culture h2 {
    color: var(--main-green);
    font-size: 1.8em;
    margin-bottom: 24px;
    font-family: 'Noto Serif SC', serif;
}
.culture-content {
    display: flex;
    gap: 32px;
    justify-content: space-between;
}
.culture-item {
    flex: 1;
    background: var(--main-beige);
    border-radius: 18px;
    padding: 24px 18px;
    box-shadow: 0 2px 8px 0 rgba(74,106,138,0.07);
    transition: transform 0.4s cubic-bezier(.4,2,.6,1);
}
.culture-item:hover {
    transform: translateY(-6px) scale(1.03);
    box-shadow: 0 8px 32px 0 rgba(74,106,138,0.13);
}
.culture-item h3 {
    color: var(--main-blue);
    margin-bottom: 12px;
    font-size: 1.2em;
}
.culture-item p {
    color: #5C4A3A;
    font-size: 1em;
}


/* 茶品展示区（原有） */
.tea-showcase {
    margin: 48px 0 36px 0;
    text-align: center;
    background: var(--card-bg2);
    border-radius: 28px;
    box-shadow: var(--shadow);
    padding: 36px 32px 32px 32px;
}
.tea-selector {
    margin-bottom: 30px;
}
.tea-type {
    display: inline-block;
    padding: 10px 28px;
    margin: 0 12px;
    cursor: pointer;
    position: relative;
    border-radius: 18px;
    background: linear-gradient(90deg, var(--main-blue) 0%, var(--main-green) 100%);
    color: #fff;
    font-size: 1.1em;
    font-family: 'Noto Serif SC', serif;
    box-shadow: 0 2px 8px 0 rgba(74,106,138,0.10);
    transition: all 0.4s cubic-bezier(.4,2,.6,1);
}
.tea-type.active, .tea-type:hover {
    background: linear-gradient(90deg, var(--main-gold) 0%, var(--main-blue) 100%);
    color: var(--main-dark);
    box-shadow: 0 8px 24px 0 rgba(74,106,138,0.13);
}
.tea-type::after {
    display: none;
}
.tea-display {
    width: 100%;
    height: 360px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 18px;
    box-shadow: 0 4px 15px rgba(44,58,71,0.10);
    background: var(--main-beige);
}
#teaFrame {
    width: 100%;
    height: 100%;
    border: none;
    background: transparent;
}

/* 精选茶品（原有） */
.featured-teas {
    margin: 48px 0 36px 0;
    background: var(--card-bg3);
    border-radius: 28px;
    box-shadow: var(--shadow);
    padding: 36px 32px 32px 32px;
}
.featured-teas h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--main-gold);
    font-family: 'Noto Serif SC', serif;
}
.tea-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.tea-card {
    background: var(--main-beige);
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(44,58,71,0.10);
    transition: transform 0.5s cubic-bezier(.4,2,.6,1), box-shadow 0.5s cubic-bezier(.4,2,.6,1);
}
.tea-card:hover {
    transform: translateY(-8px) scale(1.04);
    box-shadow: 0 12px 32px 0 rgba(74,106,138,0.18);
}
.tea-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(.4,2,.6,1);
    background: var(--main-blue);
}
.tea-card:hover img {
    transform: scale(1.08) rotate(-2deg);
}
.tea-card h3 {
    padding: 18px 0 8px 0;
    color: var(--main-blue);
    font-family: 'Noto Serif SC', serif;
}
.tea-card p {
    padding: 0 18px 18px 18px;
    color: #666;
}

/* 联系我们页面样式 */
.contact-main {
    margin-top: 80px;
    padding: 60px 0;
    background: var(--main-dark);
    background: linear-gradient(120deg, #2C3A47 60%, #4A6A8A 100%);
}
.contact-container {
    max-width: 998px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}
.contact-info {
    padding: 36px;
    background: var(--card-bg2);
    border-radius: 22px;
    box-shadow: var(--shadow);
}
.contact-info h2 {
    color: var(--main-blue);
    margin-bottom: 20px;
    font-family: 'Noto Serif SC', serif;
}
.info-details {
    margin-top: 30px;
}
.info-item {
    margin-bottom: 20px;
}
.info-item h3 {
    color: var(--main-gold);
    margin-bottom: 10px;
}
.contact-form {
    background: var(--card-bg3);
    padding: 36px;
    border-radius: 22px;
    box-shadow: var(--shadow);
}
.form-group {
    margin-bottom: 22px;
}
.form-group label {
    display: block;
    margin-bottom: 7px;
    color: var(--main-blue);
    font-family: 'Noto Serif SC', serif;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1.5px solid #bfcad6;
    border-radius: 8px;
    background: var(--main-beige);
    font-size: 1em;
    transition: border-color 0.4s cubic-bezier(.4,2,.6,1), box-shadow 0.4s cubic-bezier(.4,2,.6,1);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--main-blue);
    box-shadow: 0 0 0 3px #4A6A8A33;
}
.submit-btn {
    background: linear-gradient(90deg, var(--main-blue) 0%, var(--main-gold) 100%);
    color: #fff;
    padding: 14px 38px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1em;
    font-family: 'Noto Serif SC', serif;
    box-shadow: 0 2px 8px 0 rgba(74,106,138,0.10);
    transition: background 0.5s cubic-bezier(.4,2,.6,1), transform 0.5s cubic-bezier(.4,2,.6,1);
}
.submit-btn:hover {
    background: linear-gradient(90deg, var(--main-gold) 0%, var(--main-blue) 100%);
    color: var(--main-dark);
    transform: scale(1.06);
}

/* 页脚美化 */
.footer {
    background: linear-gradient(90deg, #2C3A47 0%, #4A6A8A 100%);
    color: #fff;
    padding: 54px 0 22px 0;
    border-radius: 48px 48px 0 0;
    box-shadow: 0 -4px 24px 0 rgba(44,58,71,0.13);
}
.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 36px;
}
.footer-section h4 {
    color: var(--main-gold);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
    font-family: 'Noto Serif SC', serif;
}
.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--main-gold);
}
.footer-section ul {
    list-style: none;
}
.footer-section ul li {
    margin-bottom: 10px;
}
.footer-section ul li a {
    color: #e6e9ef;
    text-decoration: none;
    transition: color 0.4s cubic-bezier(.4,2,.6,1), text-shadow 0.4s cubic-bezier(.4,2,.6,1);
}
.footer-section ul li a:hover {
    color: var(--main-gold);
    text-shadow: 0 0 8px #fff2, 0 0 16px var(--main-gold);
}
.footer-bottom {
    max-width: 1200px;
    margin: 30px auto 0;
    padding: 20px;
    text-align: center;
    border-top: 1px solid #444;
}
.footer-bottom p {
    color: #bfcad6;
}