/* 基础重置与变量设定 */
:root {
    --primary-blue: #0A192F;
    /* 深邃蓝 */
    --accent-gold: #C5A059;
    /* 香槟金 */
    --bg-light: #F8F9FA;
    /* 珍珠白/浅灰 */
    --text-dark: #333333;
    --text-light: #FFFFFF;
    --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --font-serif: "Playfair Display", serif;
}

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

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: #fff;
    -webkit-font-smoothing: antialiased;
}

/* 导航栏 */
header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

.logo {
    color: var(--accent-gold);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 2px;
    text-decoration: none;
}

nav a {
    color: var(--text-light);
    text-decoration: none;
    margin-left: 30px;
    font-size: 14px;
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--accent-gold);
}

/* 第一屏：主视觉 (Hero Section) */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(10, 25, 47, 0.7), rgba(10, 25, 47, 0.9)), url('../assets/images/wooden-boat-falling-cherry-blossoms.jpg') center/cover;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
}

.hero h1 {
    color: var(--text-light);
    font-size: 48px;
    font-weight: 300;
    letter-spacing: 4px;
    margin-bottom: 20px;
}

.hero p {
    color: #d1d5db;
    font-size: 18px;
    max-width: 800px;
    margin-bottom: 40px;
    font-weight: 300;
}

.btn-gold {
    display: inline-block;
    padding: 15px 40px;
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold);
    text-decoration: none;
    font-size: 16px;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.btn-gold:hover {
    background-color: var(--accent-gold);
    color: var(--primary-blue);
}

/* 统一区块设置 */
section {
    padding: 100px 5%;
}

.section-title {
    text-align: center;
    font-size: 32px;
    font-weight: 300;
    letter-spacing: 3px;
    margin-bottom: 60px;
    color: var(--primary-blue);
}

/* 第二屏：品牌介绍 */
.about-inner {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

blockquote {
    font-size: 22px;
    color: var(--primary-blue);
    font-style: italic;
    border-left: 3px solid var(--accent-gold);
    padding-left: 20px;
    margin-bottom: 40px;
    text-align: left;
}

.about-text {
    font-size: 16px;
    color: #666;
    text-align: justify;
    text-justify: inter-ideograph;
}

/* 第三屏：全链条服务 */
.services {
    background-color: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background: #fff;
    padding: 40px 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
    border-top: 3px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    border-top: 3px solid var(--accent-gold);
}

.service-card h3 {
    font-size: 20px;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.service-card p {
    font-size: 14px;
    color: #666;
}

/* 第四屏：远景与承诺 */
.vision {
    background: linear-gradient(rgba(10, 25, 47, 0.85), rgba(10, 25, 47, 0.95)), url('../assets/images/pine-trees-sandy-beach-sea.jpg') center/cover;
    background-attachment: fixed;
    color: var(--text-light);
}

.vision .section-title {
    color: var(--text-light);
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.vision-item {
    border-top: 1px solid rgba(197, 160, 89, 0.3);
    padding-top: 20px;
}

.vision-item h4 {
    color: var(--accent-gold);
    font-size: 18px;
    margin-bottom: 10px;
}

/* 核心理念升华 */
.philosophy {
    text-align: center;
    padding: 120px 5%;
    background: #fff;
}

.philosophy h2 {
    font-size: 28px;
    font-weight: 300;
    color: var(--primary-blue);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* 页脚 */
footer {
    background-color: #050d1a;
    color: rgba(255, 255, 255, 0.6);
    padding: 60px 5% 30px;
    font-size: 14px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto 40px;
    flex-wrap: wrap;
}

.footer-logo {
    color: var(--accent-gold);
    font-size: 20px;
    margin-bottom: 15px;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
}