/* ===== 基础重置 ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary: #e63946;
    --primary-dark: #c1121f;
    --dark: #0d0d0d;
    --dark-2: #1a1a2e;
    --dark-3: #16213e;
    --card-bg: #0f3460;
    --accent: #e94560;
    --text: #e0e0e0;
    --text-muted: #9ca3af;
    --border: rgba(255, 255, 255, 0.08);
    --radius: 10px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background-color: var(--dark-2);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

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

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

ul { list-style: none; }

/* ===== 布局 ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.main-content {
    flex: 1;
}

/* ===== 顶部导航 ===== */
.site-header {
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-weight: 700;
    font-size: 1.2rem;
}

.logo-icon {
    font-size: 1.4rem;
    color: var(--primary);
}

.main-nav .nav-list {
    display: flex;
    gap: 8px;
}

.main-nav .nav-list a {
    color: var(--text-muted);
    padding: 6px 16px;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s;
}

.main-nav .nav-list a:hover,
.main-nav .nav-list a.active {
    color: #fff;
    background: var(--primary);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.4rem;
    cursor: pointer;
}

/* ===== Hero 区域 ===== */
.hero {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-3) 50%, var(--dark-2) 100%);
    padding: 100px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(230, 57, 70, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-badge {
    display: inline-block;
    background: rgba(230, 57, 70, 0.15);
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 24px;
    letter-spacing: 0.05em;
}

.hero h1 {
    font-size: clamp(2.4rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero h1 span {
    color: var(--primary);
}

.hero p.subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 auto 36px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(230, 57, 70, 0.4);
}

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

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

/* ===== 统计数据 ===== */
.stats {
    background: var(--dark);
    padding: 60px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item .num {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.stat-item .label {
    color: var(--text-muted);
    margin-top: 6px;
    font-size: 0.9rem;
}

/* ===== 通用 Section ===== */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-tag {
    display: inline-block;
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-muted);
    max-width: 500px;
    margin: 0 auto;
}

/* ===== 成员卡片 ===== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 24px;
}

.member-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.member-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.member-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.member-card h3 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.member-role {
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.member-card p {
    color: var(--text-muted);
    font-size: 0.88rem;
}

/* ===== 战绩 ===== */
.achievements-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.achievement-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: border-color 0.2s;
}

.achievement-item:hover {
    border-color: var(--primary);
}

.achievement-rank {
    font-size: 2rem;
    min-width: 48px;
}

.achievement-info h3 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.achievement-info p {
    color: var(--text-muted);
    font-size: 0.88rem;
}

.achievement-badge {
    margin-left: auto;
    background: rgba(230, 57, 70, 0.15);
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

/* ===== 联系表单 ===== */
.contact-form {
    max-width: 560px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-msg {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    display: none;
}

.form-msg.success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid #22c55e;
    color: #22c55e;
    display: block;
}

.form-msg.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid #ef4444;
    color: #ef4444;
    display: block;
}

/* ===== 页面 Banner ===== */
.page-banner {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-3) 100%);
    padding: 60px 0 40px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.page-banner h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.page-banner p {
    color: var(--text-muted);
}

/* ===== Footer ===== */
.site-footer {
    background: var(--dark);
    border-top: 1px solid var(--border);
    padding: 60px 0 24px;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo-icon {
    font-size: 1.4rem;
    color: var(--primary);
    margin-right: 8px;
}

.footer-brand .logo-text {
    font-weight: 700;
    font-size: 1.1rem;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.88rem;
    margin-top: 12px;
}

.footer-links h4,
.footer-social h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links a:hover { color: var(--primary); }

.social-links {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.social-btn {
    padding: 6px 14px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: all 0.2s;
}

.social-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ===== 成员 meta ===== */
.member-meta {
    margin-top: 14px;
    display: flex;
    gap: 16px;
    justify-content: center;
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ===== 战绩描述 ===== */
.ach-desc {
    margin-top: 4px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .nav-toggle { display: block; }

    .nav-list {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(13,13,13,0.98);
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--border);
    }

    .nav-list.open { display: flex; }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .achievement-item {
        flex-wrap: wrap;
    }

    .achievement-badge {
        margin-left: 0;
    }
}