/*
 * 曲水鼎龙泰豪企业管理有限公司 官网主样式表
 * 主题：高原资本雄鹰（藏蓝 + 藏金铜 + 藏红）
 * 特点：雪山意象、唐卡纹样、金融稳重质感、数据化呈现
 */

:root {
    /* 色彩与渐变 */
    --color-primary: #1A237E;           /* 藏蓝 */
    --color-secondary: #C5A47E;         /* 藏金铜 */
    --color-accent: #D32F2F;            /* 藏红点缀 */
    --color-ink: #0D1421;               /* 夜空蓝黑 */
    --color-ink-soft: #151D2E;
    --color-surface: #F5F5F0;           /* 高原灰白 */
    --color-surface-strong: #FFFFFF;
    --color-muted: #4A5568;
    --color-text: #1F2933;
    --color-text-dark: #1F2933;
    --color-border: rgba(197, 164, 126, 0.35);
    --gradient-night: linear-gradient(135deg, #1A237E 0%, #0D1421 60%, #0A0F1D 100%);
    --gradient-gold: linear-gradient(135deg, #C5A47E 0%, #E8D6B0 100%);
    --gradient-air: linear-gradient(180deg, rgba(255,255,255,0.95) 0%, rgba(245,245,240,0.92) 100%);
    --gradient-ridge: radial-gradient(circle at 20% 20%, rgba(197,164,126,0.18), transparent 45%),
                      radial-gradient(circle at 80% 0%, rgba(26,35,126,0.22), transparent 40%),
                      linear-gradient(180deg, #F9F9F5 0%, #EEF0F5 100%);

    /* 字体与排版 */
    --font-display: 'Source Han Serif SC', 'Songti SC', 'STSong', serif;
    --font-body: 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    --font-en: 'Cormorant Garamond', 'Montserrat', 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --font-weight-regular: 400;
    --font-weight-medium: 600;
    --font-weight-bold: 700;

    /* 间距系统 */
    --spacing-unit: 8px;
    --spacing-xs: 6px;
    --spacing-sm: var(--spacing-unit);               /* 8px */
    --spacing-md: calc(var(--spacing-unit) * 2);     /* 16px */
    --spacing-lg: calc(var(--spacing-unit) * 3);     /* 24px */
    --spacing-xl: calc(var(--spacing-unit) * 5);     /* 40px */
    --spacing-xxl: calc(var(--spacing-unit) * 8);    /* 64px */

    /* 圆角与阴影 */
    --radius-sm: 8px;
    --radius-base: 14px;
    --radius-lg: 20px;
    --border-radius-base: var(--radius-base);
    --border-radius-lg: var(--radius-lg);
    --shadow-soft: 0 10px 30px rgba(0,0,0,0.12);
    --shadow-strong: 0 18px 48px rgba(0,0,0,0.18);
    --shadow-card: 0 12px 35px rgba(13,20,33,0.16);
    --box-shadow-base: var(--shadow-soft);
    --box-shadow-hover: var(--shadow-strong);
    --transition: 0.3s ease;
    --color-text-light: #ffffff;
    --font-weight-light: 300;
}

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

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-text);
    background: var(--gradient-ridge);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

p { margin-bottom: var(--spacing-md); }

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

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

.container {
    width: 92%;
    max-width: 1200px;
    margin: 0 auto;
}

section { padding: var(--spacing-xxl) 0; position: relative; }

.section-title {
    font-family: var(--font-display);
    font-size: 2.4rem;
    color: var(--color-ink);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    letter-spacing: 1px;
}

.section-lead {
    text-align: center;
    color: var(--color-muted);
    max-width: 780px;
    margin: 0 auto var(--spacing-xl);
}

/* ---------- 导航 ---------- */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(13, 20, 33, 0.78);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-soft);
    border-bottom: 1px solid rgba(197, 164, 126, 0.2);
}

.ornament-bar {
    height: 6px;
    background: repeating-linear-gradient(90deg,
        rgba(197,164,126,0.8) 0,
        rgba(197,164,126,0.8) 40px,
        transparent 40px,
        transparent 60px);
    opacity: 0.9;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    height: 76px;
}

.logo-block { display: flex; align-items: center; gap: var(--spacing-sm); }

.logo-mark {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: var(--gradient-gold);
    display: grid;
    place-items: center;
    color: var(--color-ink);
    font-weight: var(--font-weight-bold);
    font-family: var(--font-en);
    letter-spacing: 1px;
}

.logo-text {
    color: #fff;
    font-size: 1.1rem;
    font-weight: var(--font-weight-bold);
    display: block;
    line-height: 1.25;
    white-space: normal;
}
.logo-sub { color: rgba(255,255,255,0.7); font-size: 0.85rem; line-height: 1.3; }

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: 1px solid rgba(197,164,126,0.5);
    border-radius: 10px;
    padding: 10px;
    cursor: pointer;
}

.menu-toggle span {
    width: 24px; height: 2px; background: #fff;
}

.nav-menu {
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-item { position: relative; }

.nav-link {
    color: #fff;
    padding: 10px 12px;
    border-radius: 10px;
    transition: background var(--transition), color var(--transition);
    font-weight: var(--font-weight-medium);
}

.nav-link:hover { background: rgba(197,164,126,0.16); color: #fff; }

.nav-cta {
    background: var(--gradient-gold);
    color: var(--color-ink);
    box-shadow: var(--shadow-soft);
}

.nav-cta:hover { color: var(--color-ink); transform: translateY(-1px); }

.dropdown-menu {
    display: none;
    position: absolute;
    top: 46px;
    left: 0;
    background: rgba(13,20,33,0.96);
    border: 1px solid rgba(197,164,126,0.2);
    border-radius: 12px;
    min-width: 180px;
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-soft);
}

.nav-item:hover .dropdown-menu { display: block; }

.dropdown-item a {
    color: #fff;
    display: block;
    padding: 10px 16px;
}

.dropdown-item a:hover { background: rgba(197,164,126,0.14); }

/* ---------- HERO ---------- */
.hero-highland {
    padding: 140px 0 120px;
    background: linear-gradient(180deg, rgba(13,20,33,0.92) 0%, rgba(13,20,33,0.78) 40%, rgba(13,20,33,0.9) 100%),
                url('images/finance_03_abstract_capital.png') center/cover no-repeat;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.hero-highland::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: -40px;
    height: 200px;
    background: linear-gradient(140deg, transparent 45%, rgba(255,255,255,0.18) 46%, rgba(255,255,255,0.08) 60%, transparent 62%),
                linear-gradient(220deg, transparent 38%, rgba(197,164,126,0.25) 39%, rgba(255,255,255,0.08) 55%, transparent 57%);
    opacity: 0.8;
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    align-items: center;
    gap: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.hero-pretitle {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(197,164,126,0.18);
    color: #fff;
    letter-spacing: 1px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 3rem;
    margin: var(--spacing-md) 0;
    letter-spacing: 1px;
}

.hero-desc { color: rgba(255,255,255,0.8); max-width: 620px; }

.hero-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.hero-highlight {
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid rgba(197,164,126,0.5);
    background: rgba(255,255,255,0.06);
    color: #fff;
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.5px;
}

.hero-actions { display: flex; gap: var(--spacing-md); margin-top: var(--spacing-lg); flex-wrap: wrap; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    border-radius: 12px;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    border: none;
    transition: all var(--transition);
    text-decoration: none;
    background: var(--gradient-gold);
    color: var(--color-ink);
    box-shadow: var(--shadow-soft);
}

.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-strong); }

.btn-primary { background: var(--gradient-gold); color: var(--color-ink); box-shadow: var(--shadow-soft); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-strong); }

.btn-ghost { border: 1px solid rgba(255,255,255,0.35); color: #fff; padding: 12px 18px; background: transparent; box-shadow: none; }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,0.08); }

.btn-primary-outline {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    box-shadow: none;
}

.btn-primary-outline:hover {
    background: rgba(26,35,126,0.08);
}

.stat-badges {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.stat-card {
    padding: var(--spacing-md);
    border-radius: 14px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(197,164,126,0.35);
    backdrop-filter: blur(6px);
    color: #fff;
}

.stat-card h3 { font-size: 1.6rem; margin-bottom: var(--spacing-xs); }
.stat-card p { margin: 0; color: rgba(255,255,255,0.8); }

/* ---------- 通用卡片 ---------- */
.surface-card {
    background: var(--color-surface-strong);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.surface-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(197,164,126,0.12), transparent 40%);
    pointer-events: none;
}

.surface-card ul {
    margin: var(--spacing-md) 0 0 var(--spacing-lg);
    color: var(--color-muted);
}

.surface-card li {
    margin-bottom: var(--spacing-xs);
}

.hero-highland .surface-card {
    color: var(--color-text);
}

.hero-highland .surface-card p,
.hero-highland .surface-card li {
    color: var(--color-muted);
}

.value-icon {
    width: 46px; height: 46px;
    border-radius: 12px;
    display: grid; place-items: center;
    background: rgba(26,35,126,0.08);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.triangle-layout {
    position: relative;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
}

.triangle-layout::before,
.triangle-layout::after {
    content: '';
    position: absolute;
    inset: 12% 18%;
    border: 1px dashed rgba(26,35,126,0.18);
    border-radius: 24px;
    z-index: 0;
}

.triangle-layout::after { inset: 6% 10%; border-color: rgba(197,164,126,0.26); }

.value-card { position: relative; z-index: 1; }

/* ---------- 投资组合 Tabs ---------- */
.portfolio-tabs { display: flex; gap: var(--spacing-sm); flex-wrap: wrap; justify-content: center; margin-bottom: var(--spacing-lg); }

.tab {
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    background: rgba(255,255,255,0.9);
    cursor: pointer;
    color: var(--color-ink);
    transition: all var(--transition);
}

.tab.active { background: var(--gradient-gold); border-color: transparent; color: var(--color-ink); box-shadow: var(--shadow-soft); }

.portfolio-panels { margin-top: var(--spacing-lg); }

.portfolio-panel { display: none; }
.portfolio-panel.active { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--spacing-lg); }

.portfolio-item {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition), box-shadow var(--transition);
}

.portfolio-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-strong); }

.portfolio-visual { height: 180px; overflow: hidden; }
.portfolio-visual img { width: 100%; height: 100%; object-fit: cover; }

.portfolio-body { padding: var(--spacing-md); }
.portfolio-body h4 { margin-bottom: 6px; color: var(--color-ink); }
.portfolio-body .tag { background: rgba(26,35,126,0.08); color: var(--color-primary); }

.feature-card {
    background: #fff;
    border-radius: var(--radius-base);
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-strong);
}

.feature-card h3, .feature-card h4 {
    color: var(--color-ink);
    margin-bottom: var(--spacing-xs);
}

.feature-card img {
    width: 100%;
    border-radius: var(--radius-sm);
    height: 200px;
    object-fit: cover;
    margin-bottom: var(--spacing-sm);
}

/* ---------- 数据卡/新闻 ---------- */
.metric-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--spacing-lg); }
.metric-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-base); padding: var(--spacing-lg); box-shadow: var(--shadow-soft); }
.metric-card h3 { color: var(--color-primary); margin-bottom: var(--spacing-xs); }
.metric-card p { margin: 0; color: var(--color-muted); }

.news-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--spacing-lg); }

.news-card {
    background: #fff;
    border-radius: var(--radius-base);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition), box-shadow var(--transition);
}

.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-strong); }

.news-card img { height: 180px; width: 100%; object-fit: cover; }
.news-card-body { padding: var(--spacing-md); }
.news-meta { color: var(--color-muted); font-size: 0.9rem; margin-bottom: var(--spacing-xs); }

/* ---------- CTA ---------- */
.cta-ridge {
    background: var(--gradient-night);
    color: #fff;
    border-radius: 20px;
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-strong);
}

.cta-ridge::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 30%, rgba(197,164,126,0.25), transparent 45%),
                radial-gradient(circle at 80% 0%, rgba(255,255,255,0.12), transparent 40%);
    pointer-events: none;
}

.cta-ridge h2 { margin-bottom: var(--spacing-sm); font-family: var(--font-display); }
.cta-ridge p { color: rgba(255,255,255,0.8); }

/* ---------- 内页横幅与主体 ---------- */
.internal-banner {
    padding-top: 110px;
    height: 320px;
    background: linear-gradient(180deg, rgba(13,20,33,0.9), rgba(13,20,33,0.75)),
                url('images/finance_05_global_network.png') center/cover no-repeat;
    color: #fff;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.internal-banner::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(140deg, transparent 55%, rgba(197,164,126,0.2) 58%, transparent 70%);
}

.banner-content { position: relative; z-index: 1; }
.banner-content h1 { font-family: var(--font-display); font-size: 2.6rem; letter-spacing: 1px; }
.banner-sub { color: rgba(255,255,255,0.8); margin-top: var(--spacing-sm); }

.main-content { padding: var(--spacing-xxl) 0; }

.content-section {
    background: var(--color-surface-strong);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
    margin-bottom: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.content-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(26,35,126,0.06), transparent 38%);
    pointer-events: none;
}

.content-section h2 {
    color: var(--color-ink);
    border-left: 4px solid var(--color-secondary);
    padding-left: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-display);
}

.content-section h3 { color: var(--color-primary); margin: var(--spacing-md) 0 var(--spacing-xs); }

.content-section ul { margin-left: var(--spacing-lg); color: var(--color-muted); }
.content-section li { margin-bottom: var(--spacing-xs); }

.image-full-width {
    width: 100%; height: 360px;
    object-fit: cover;
    border-radius: var(--radius-base);
    box-shadow: var(--shadow-soft);
    margin: var(--spacing-lg) 0;
}

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2-col, .grid-3-col, .grid-4-col { display: grid; }
.grid-2-col { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3-col { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-4-col { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
}

.team-member-card {
    text-align: center;
    padding: var(--spacing-md);
    background: #fff;
    border-radius: var(--radius-base);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
}

.team-member-card img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto var(--spacing-md);
    border: 4px solid rgba(197,164,126,0.4);
}

.timeline { position: relative; padding: var(--spacing-lg) 0; }
.timeline::before {
    content: '';
    position: absolute;
    left: 50%; top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, rgba(26,35,126,0), rgba(26,35,126,0.35), rgba(26,35,126,0));
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 0 var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.timeline-item:nth-child(odd) { left: 0; text-align: right; }
.timeline-item:nth-child(even) { left: 50%; }

.timeline-item::after {
    content: '';
    position: absolute;
    top: 8px;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: var(--gradient-gold);
    box-shadow: 0 0 0 8px rgba(197,164,126,0.15);
}

.timeline-item:nth-child(odd)::after { right: -8px; }
.timeline-item:nth-child(even)::after { left: -8px; }

.timeline-content {
    background: #fff;
    padding: var(--spacing-md);
    border-radius: var(--radius-base);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
}

/* ---------- 表格/标签/列表 ---------- */
.table { width: 100%; border-collapse: collapse; margin-top: var(--spacing-md); }
.table th, .table td { padding: var(--spacing-sm); border-bottom: 1px solid rgba(26,35,126,0.12); text-align: left; }
.table th { background: rgba(26,35,126,0.06); color: var(--color-ink); }

.tag {
    display: inline-flex;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(197,164,126,0.15);
    color: var(--color-ink);
    font-size: 0.85rem;
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    background: rgba(26,35,126,0.08);
    color: var(--color-primary);
    border-radius: 8px;
    font-size: 0.85rem;
}

blockquote {
    border-left: 4px solid var(--color-secondary);
    padding-left: var(--spacing-md);
    color: var(--color-muted);
    margin: var(--spacing-md) 0;
}

.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.bg-primary { background: var(--color-primary); color: #fff; }

/* ---------- 表单 ---------- */
form { display: grid; gap: var(--spacing-md); }
input, textarea, select {
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid rgba(26,35,126,0.2);
    background: rgba(255,255,255,0.9);
    transition: border var(--transition), box-shadow var(--transition);
    font-family: var(--font-body);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(197,164,126,0.25);
}

textarea { min-height: 140px; resize: vertical; }

/* ---------- 底部 ---------- */
.footer {
    background: var(--color-ink);
    color: rgba(255,255,255,0.82);
    padding: var(--spacing-xxl) 0 var(--spacing-xl);
    border-top: 1px solid rgba(197,164,126,0.2);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
}

.footer h4 { color: #fff; margin-bottom: var(--spacing-sm); }
.footer a { color: rgba(255,255,255,0.8); }
.footer a:hover { color: #fff; }
.footer-bottom { margin-top: var(--spacing-lg); border-top: 1px solid rgba(255,255,255,0.1); padding-top: var(--spacing-md); text-align: center; color: rgba(255,255,255,0.7); }

/* ---------- 响应式 ---------- */
@media (max-width: 1023px) {
    .nav-menu {
        position: absolute;
        right: 20px;
        top: 86px;
        flex-direction: column;
        background: rgba(13,20,33,0.95);
        padding: var(--spacing-md);
        border-radius: 14px;
        border: 1px solid rgba(197,164,126,0.2);
        display: none;
        min-width: 240px;
    }
    .nav-menu.active { display: flex; }
    .menu-toggle { display: flex; }
    .navbar { align-items: flex-start; padding: var(--spacing-sm) 0; }
    .hero-title { font-size: 2.4rem; }
    .timeline-item, .timeline-item:nth-child(even), .timeline-item:nth-child(odd) {
        width: 100%; left: 0; text-align: left; padding: 0 var(--spacing-md) var(--spacing-lg) 46px;
    }
    .timeline-item::after, .timeline-item:nth-child(even)::after, .timeline-item:nth-child(odd)::after { left: 18px; right: auto; }
    .timeline::before { left: 26px; }
}

@media (max-width: 599px) {
    .hero-title { font-size: 2rem; }
    section { padding: var(--spacing-xl) 0; }
}