/* ========================================
   腾龙公司 - 整体配色方案
   主色：深蓝 #0b1a2b
   辅色：金色 #f6b83d
   背景：渐变色 #0f1a2e → #1a2a45
   卡片：半透明磨砂玻璃效果
   ======================================== */

/* ===== 全局重置 & 基础 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
}

body {
    background: linear-gradient(135deg, #0b1a2b 0%, #1a2a45 40%, #0f1a2e 100%);
    color: #e8edf5;
    line-height: 1.6;
    min-height: 100vh;
    background-attachment: fixed;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0b1a2b;
}
::-webkit-scrollbar-thumb {
    background: #f6b83d;
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: #f5a623;
}

/* ===== 头部 ===== */
.header {
    background: rgba(11, 26, 43, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: #fff;
    padding: 18px 0;
    border-bottom: 2px solid rgba(246, 184, 61, 0.3);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.header .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 2px solid #f6b83d;
    box-shadow: 0 0 20px rgba(246, 184, 61, 0.2);
}

.logo-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.logo-text {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: 2px;
    background: linear-gradient(90deg, #fff, #f6b83d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text small {
    font-weight: 300;
    font-size: 14px;
    color: #8899bb;
    display: block;
    margin-top: -4px;
    -webkit-text-fill-color: #8899bb;
}

.nav-links {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.nav-links a {
    color: #b0c4e0;
    text-decoration: none;
    font-weight: 500;
    padding: 6px 0;
    border-bottom: 2px solid transparent;
    transition: 0.3s;
    font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
    border-bottom-color: #f6b83d;
    color: #f6b83d;
}

/* ===== 五大按钮 ===== */
.action-buttons {
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 30px 20px;
    border-radius: 30px;
    margin: 30px 0 20px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 18px 30px;
}

.action-btn {
    background: linear-gradient(145deg, #0b1a2b, #16243a);
    color: #fff;
    border: 1px solid rgba(246, 184, 61, 0.15);
    padding: 16px 32px;
    border-radius: 60px;
    font-size: 1.2rem;
    font-weight: 700;
    min-width: 160px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.action-btn:hover {
    transform: translateY(-3px) scale(1.02);
    background: linear-gradient(145deg, #f6b83d, #f5a623);
    color: #0b1a2b;
    border-color: #f6b83d;
    box-shadow: 0 8px 30px rgba(246, 184, 61, 0.35);
}

.action-btn:active {
    transform: translateY(2px);
}

.btn-phone {
    background: linear-gradient(145deg, #1f7b4d, #16633d);
    border-color: rgba(31, 123, 77, 0.3);
}

.btn-phone:hover {
    background: linear-gradient(145deg, #f6b83d, #f5a623);
    color: #0b1a2b;
    border-color: #f6b83d;
}

/* ===== 图库 ===== */
.gallery-section {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 28px;
    padding: 30px 20px;
    margin: 30px 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.section-title {
    font-size: 1.8rem;
    margin-bottom: 8px;
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    color: #e8edf5;
}

.section-title .badge {
    background: linear-gradient(135deg, #f6b83d, #f5a623);
    padding: 0 24px;
    border-radius: 40px;
    color: #0b1a2b;
    font-weight: 700;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 18px;
    margin-top: 15px;
}

.gallery-item {
    background: rgba(255, 255, 255, 0.06);
    border-radius: 24px;
    aspect-ratio: 1/1;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.06);
    transition: all 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.03);
    border-color: rgba(246, 184, 61, 0.4);
    box-shadow: 0 8px 30px rgba(246, 184, 61, 0.15);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.gallery-item.logo-highlight {
    border-color: #f6b83d;
    box-shadow: 0 0 30px rgba(246, 184, 61, 0.15);
}

/* ===== 信息卡片 ===== */
.info-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin: 30px 0;
}

.info-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 28px;
    padding: 28px 22px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-4px);
    border-color: rgba(246, 184, 61, 0.15);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
}

.info-card h3 {
    font-size: 1.8rem;
    border-left: 4px solid #f6b83d;
    padding-left: 16px;
    margin-bottom: 20px;
    color: #f6b83d;
}

.info-card p,
.info-card li {
    color: #c8d6e8;
    margin-bottom: 12px;
}

.info-card ul {
    list-style: none;
}

.info-card ul li {
    padding: 8px 0 8px 28px;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="%23f6b83d"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/></svg>') left center no-repeat;
    background-size: 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.info-card ul li:last-child {
    border-bottom: none;
}

.full-width {
    grid-column: 1 / -1;
}

/* ===== 新闻列表 ===== */
.news-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 16px 0;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.news-item:last-child {
    border-bottom: 0;
}

.news-date {
    background: linear-gradient(135deg, #f6b83d, #f5a623);
    color: #0b1a2b;
    padding: 4px 16px;
    border-radius: 40px;
    font-weight: 700;
    font-size: 0.85rem;
    white-space: nowrap;
    height: fit-content;
}

.news-title {
    font-weight: 600;
    font-size: 1.05rem;
    color: #e8edf5;
}

.news-desc {
    color: #8899bb;
    width: 100%;
    margin-top: 4px;
}

/* ===== 统计数据 ===== */
.stats-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin: 40px 0 10px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 30px 20px;
    border-radius: 40px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.stats-bar .stat-item {
    flex: 1;
    min-width: 150px;
    text-align: center;
}

.stats-bar .stat-number {
    font-size: 2.4rem;
    font-weight: 800;
    background: linear-gradient(90deg, #f6b83d, #f5a623);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats-bar .stat-item br + * {
    color: #8899bb;
    font-size: 0.95rem;
}

/* ===== 页脚 ===== */
.footer {
    background: rgba(11, 26, 43, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: #8899bb;
    padding: 30px 0;
    margin-top: 40px;
    border-top: 2px solid rgba(246, 184, 61, 0.15);
    text-align: center;
}

.footer p:first-child {
    color: #b0c4e0;
}

/* ===== 链接 ===== */
a {
    color: #f6b83d;
    transition: 0.3s;
}

a:hover {
    color: #f5a623;
}

/* ===== 响应式 ===== */
@media (max-width: 760px) {
    .header .container {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .action-btn {
        min-width: 140px;
        padding: 14px 20px;
        font-size: 1rem;
        flex: 1 0 auto;
    }

    .action-buttons {
        gap: 12px;
        padding: 20px 12px;
    }

    .info-block {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 12px;
    }

    .logo-text {
        font-size: 20px;
    }
    .logo-text small {
        font-size: 13px;
    }

    .info-card h3 {
        font-size: 1.4rem;
    }

    .news-item {
        flex-direction: column;
        gap: 6px;
    }

    .news-date {
        align-self: flex-start;
    }

    .stats-bar .stat-number {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .action-btn {
        min-width: 120px;
        padding: 12px 14px;
        font-size: 0.9rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 8px;
    }

    .container {
        padding: 0 12px;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .stats-bar .stat-item {
        min-width: 100px;
    }
    .stats-bar .stat-number {
        font-size: 1.5rem;
    }
}