/*
 * 杭州福晶贸易有限公司
 * 风格：精致典雅（宝石蓝 + 玫瑰金 + 珍珠白）
 * 说明：统一站点视觉语言、栅格与交互细节，支持首页与全部子页面
 */

:root {
    /* 色彩系统 */
    --color-midnight: #1E3A8A;
    --color-midnight-dark: #0F1E46;
    --color-rose: #B76E79;
    --color-rose-soft: #DCA5AF;
    --color-pearl: #FFFEF7;
    --color-ivory: #F6F0E9;
    --color-warm-gray: #E2D7CC;
    --color-ink: #1F2431;
    --color-slate: #5F6575;
    --color-border: #E5DDD5;
    --color-muted: #A59A8F;
    --color-success: #6BA674;
    --color-warning: #D4A154;

    /* 字体 */
    --font-serif: 'Playfair Display', 'Source Han Serif SC', 'Songti SC', serif;
    --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;

    /* 尺寸 */
    --max-width: 1200px;
    --space-xxs: 4px;
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 48px;
    --space-xl: 72px;
    --space-xxl: 120px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 28px;
    --radius-pill: 999px;

    /* 阴影与渐变 */
    --shadow-soft: 0 12px 30px rgba(15, 30, 70, 0.08);
    --shadow-card: 0 20px 45px rgba(15, 30, 70, 0.12);
    --gradient-royal: linear-gradient(135deg, #1E3A8A, #0F1E46);
    --gradient-rose: linear-gradient(135deg, #B76E79, #DFA4AF);
    --gradient-pearl: linear-gradient(135deg, #FFFEF7, #F6F0E9);
    --transition-base: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & base */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--color-ink);
    background: var(--color-pearl);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

img {
    width: 100%;
    display: block;
    border-radius: var(--radius-md);
}

a {
    color: var(--color-rose);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--color-midnight);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    color: var(--color-midnight);
    letter-spacing: 0.5px;
    margin: 0 0 var(--space-sm);
}

p {
    margin: 0 0 var(--space-sm);
}

ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-sm);
}

.section {
    padding: var(--space-xl) 0;
}

.section.is-compact {
    padding: var(--space-lg) 0;
}

.section.soft-bg {
    background: var(--color-ivory);
}

.section.deep-bg {
    background: var(--gradient-royal);
    color: var(--color-pearl);
}

.section-title {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: var(--space-sm);
}

.section-description {
    max-width: 780px;
    margin: 0 auto var(--space-lg);
    text-align: center;
    color: var(--color-slate);
}

.accent-line {
    width: 80px;
    height: 3px;
    margin: 0 auto var(--space-lg);
    background: var(--gradient-rose);
}

.eyebrow {
    font-size: 0.85rem;
    letter-spacing: 2px;
    color: var(--color-rose);
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.eyebrow::before {
    content: '';
    width: 32px;
    height: 1px;
    background: var(--color-rose);
    display: inline-block;
}

.text-muted {
    color: var(--color-slate);
}

.text-rose {
    color: var(--color-rose);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xxs) var(--space-sm);
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    background: rgba(183, 110, 121, 0.12);
    color: var(--color-rose);
}

/* Header */
.luxury-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 254, 247, 0.95);
    backdrop-filter: blur(16px);
    box-shadow: 0 1px 18px rgba(15, 30, 70, 0.08);
}

.header-top-bar {
    background: var(--gradient-royal);
    color: var(--color-pearl);
    font-size: 0.85rem;
    padding: var(--space-xxs) 0;
}

.header-top-bar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
}

.top-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.top-actions a {
    color: var(--color-pearl);
    opacity: 0.85;
    font-weight: 500;
}

.top-actions a:hover {
    opacity: 1;
}

.header-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    gap: var(--space-md);
}

.brand-identity {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.brand-mark {
    display: none;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-text span {
    font-size: 0.9rem;
    color: var(--color-slate);
}

.primary-nav {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex: 1;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    flex-wrap: nowrap;
    overflow-x: auto;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-weight: 600;
    color: var(--color-ink);
    padding: var(--space-xxs) var(--space-sm);
    font-size: 0.9rem;
    border-radius: var(--radius-pill);
    transition: background var(--transition-base), color var(--transition-base);
}

.nav-link:hover,
.nav-item.active > .nav-link {
    color: var(--color-pearl);
    background: var(--gradient-rose);
}

.nav-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 220px;
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    padding: var(--space-sm);
    display: none;
    flex-direction: column;
    gap: var(--space-xs);
    z-index: 10;
}

.nav-item:hover > .nav-dropdown {
    display: flex;
}

.nav-dropdown a {
    color: var(--color-ink);
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
}

.nav-dropdown a:hover {
    background: var(--color-ivory);
}

.btn-elegant,
.btn-ghost,
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    font-weight: 600;
    border-radius: var(--radius-pill);
    border: none;
    cursor: pointer;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.btn-elegant {
    background: var(--gradient-rose);
    color: var(--color-pearl);
    box-shadow: var(--shadow-soft);
}

.btn-outline {
    border: 1px solid var(--color-rose);
    color: var(--color-rose);
    background: transparent;
}

.btn-ghost {
    background: transparent;
    color: var(--color-pearl);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-elegant:hover,
.btn-outline:hover,
.btn-ghost:hover {
    transform: translateY(-2px);
}

.hero-elegant {
    position: relative;
    min-height: 85vh;
    background: url('../website_assets/images/banner_abstract_02.png') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-pearl);
    overflow: hidden;
}

.hero-elegant::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(15, 30, 70, 0.9), rgba(48, 17, 34, 0.65));
}

.hero-content {
    position: relative;
    max-width: 860px;
    padding: var(--space-lg);
}

.hero-title {
    font-size: 3.4rem;
    margin-bottom: var(--space-sm);
    color: var(--color-pearl);
}

.hero-text {
    font-size: 1.15rem;
    color: rgba(255, 254, 247, 0.85);
    margin-bottom: var(--space-md);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-sm);
}

.stat-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    box-shadow: var(--shadow-soft);
    text-align: center;
}

.stat-card strong {
    display: block;
    font-size: 2.4rem;
    color: var(--color-midnight);
    margin-bottom: var(--space-xs);
    font-family: var(--font-serif);
}

.premium-grid,
.case-grid,
.gallery-grid,
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-md);
}

.premium-card,
.service-card,
.case-card,
.news-card,
.detail-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: var(--space-sm);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    position: relative;
    overflow: hidden;
}

.premium-card:hover,
.service-card:hover,
.case-card:hover,
.news-card:hover,
.detail-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card);
}

.premium-card img,
.service-card img,
.case-card img {
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    height: 220px;
    object-fit: cover;
}

.premium-card h3,
.service-card h3,
.case-card h3 {
    margin-bottom: var(--space-xs);
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.tag {
    font-size: 0.85rem;
    padding: var(--space-xxs) var(--space-xs);
    border-radius: var(--radius-pill);
    border: 1px solid var(--color-border);
    color: var(--color-slate);
}

.split-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    align-items: center;
}

.panel-soft {
    background: var(--color-ivory);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.story-block {
    padding: var(--space-lg);
    border-left: 4px solid var(--color-rose);
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.list-check {
    list-style: none;
    padding: 0;
}

.list-check li {
    position: relative;
    padding-left: 28px;
    margin-bottom: var(--space-xs);
    color: var(--color-slate);
}

.list-check li::before {
    content: '✦';
    position: absolute;
    left: 0;
    color: var(--color-rose);
    font-size: 0.85rem;
}

.timeline {
    position: relative;
    padding-left: 28px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

.timeline-item {
    position: relative;
    padding: var(--space-sm) var(--space-sm) var(--space-sm) var(--space-lg);
    margin-bottom: var(--space-sm);
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -20px;
    top: var(--space-sm);
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--gradient-rose);
    box-shadow: 0 0 0 5px rgba(183, 110, 121, 0.15);
}

.sub-nav {
    background: #fff;
    border-bottom: 1px solid var(--color-border);
}

.sub-nav .container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
}

.sub-nav a {
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-pill);
    color: var(--color-slate);
    border: 1px solid transparent;
}

.sub-nav a.active,
.sub-nav a:hover {
    border-color: var(--color-rose);
    color: var(--color-rose);
    background: rgba(183, 110, 121, 0.08);
}

.page-hero {
    position: relative;
    height: 320px;
    display: flex;
    align-items: center;
    color: var(--color-pearl);
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(15, 30, 70, 0.92), rgba(48, 17, 34, 0.6));
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.page-hero h1 {
    color: var(--color-pearl);
    font-size: 3rem;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.95rem;
    margin-bottom: var(--space-xs);
}

.breadcrumb a {
    color: rgba(255, 254, 247, 0.75);
}

.two-column {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
    align-items: start;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-sm);
}

.info-pill {
    padding: var(--space-sm);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: #fff;
}

.table-lux {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.table-lux th,
.table-lux td {
    padding: var(--space-sm);
    background: #fff;
}

.table-lux th {
    background: var(--color-ivory);
    font-weight: 600;
    color: var(--color-ink);
}

.table-lux tr + tr td {
    border-top: 1px solid var(--color-border);
}

.form-lux {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-soft);
}

.form-lux label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 600;
}

.form-lux input,
.form-lux textarea,
.form-lux select {
    width: 100%;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    margin-bottom: var(--space-sm);
    font-family: inherit;
    font-size: 1rem;
}

.form-lux textarea {
    min-height: 160px;
    resize: vertical;
}

.cta-banner {
    background: var(--gradient-rose);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    color: var(--color-pearl);
    text-align: center;
    box-shadow: var(--shadow-card);
}

.cta-banner h3 {
    color: var(--color-pearl);
    margin-bottom: var(--space-sm);
}

.site-footer {
    background: var(--color-midnight-dark);
    color: rgba(255, 254, 247, 0.9);
    padding-top: var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.footer-grid h4 {
    color: var(--color-pearl);
    margin-bottom: var(--space-sm);
}

.footer-grid a {
    color: rgba(255, 254, 247, 0.75);
    display: block;
    margin-bottom: var(--space-xs);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 254, 247, 0.1);
    text-align: center;
    padding: var(--space-sm) 0;
    color: rgba(255, 254, 247, 0.7);
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .header-main {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav-dropdown {
        position: static;
        box-shadow: none;
        border: 1px solid var(--color-border);
        display: none;
    }

    .nav-item:hover > .nav-dropdown {
        display: flex;
    }

    .hero-title {
        font-size: 2.6rem;
    }
}

@media (max-width: 768px) {
    .nav-dropdown {
        display: none;
    }

    .nav-item:hover > .nav-dropdown {
        display: none;
    }

    .hero-content {
        padding: var(--space-md);
    }

    .section {
        padding: var(--space-lg) 0;
    }

    .split-panel {
        grid-template-columns: 1fr;
    }

    .stat-grid,
    .premium-grid,
    .gallery-grid,
    .case-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }

    .form-lux {
        padding: var(--space-md);
    }
}

@media (max-width: 560px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .header-top-bar .container {
        flex-direction: column;
    }
}