/* ========================================
   张博楠个人展示页 - 科技风清晰排版
   ======================================== */

:root {
    --bg-primary: #0a0f1a;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.8);
    --bg-card-hover: rgba(31, 41, 55, 0.9);
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --accent-primary: #10b981;
    --accent-secondary: #06b6d4;
    --accent-gradient: linear-gradient(135deg, #10b981, #06b6d4);
    --border-color: rgba(55, 65, 81, 0.5);
    --border-glow: rgba(16, 185, 129, 0.3);
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Microsoft YaHei', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

img {
    max-width: 100%;
}

/* ========================================
   导航栏
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 15, 26, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.brand-logo {
    width: 44px;
    height: 44px;
    display: block;
    object-fit: cover;
    border-radius: 14px;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.08);
    flex-shrink: 0;
}

.brand-name {
    font-weight: 600;
    font-size: 18px;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    gap: 8px;
    min-width: 0;
}

.nav-actions {
    flex-shrink: 0;
}

.nav-actions .btn-primary {
    white-space: nowrap;
}

.project-card-title,
.project-card-company,
.project-section p,
.project-result-badge span,
.research-title,
.research-desc,
.award-name,
.skill-detail,
.core-content p,
.collaboration-content p,
.section-desc {
    overflow-wrap: anywhere;
}

.nav-links a {
    padding: 8px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-sm);
    color: #000;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-primary svg {
    width: 16px;
    height: 16px;
}

/* ========================================
   Hero 区域 - 震撼设计
   ======================================== */

.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #0a0f1a 0%, #0d1520 50%, #0a0f1a 100%);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.hero-grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(16, 185, 129, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16, 185, 129, 0.05) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 60%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 60%);
    animation: gridPulse 4s ease-in-out infinite;
}

@keyframes gridPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, rgba(6, 182, 212, 0.1) 30%, transparent 70%);
    animation: glowPulse 6s ease-in-out infinite;
    pointer-events: none;
}

@keyframes glowPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
}

.hero-container {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 0 24px;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 999px;
    margin-bottom: 32px;
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: dotBlink 1.5s ease-in-out infinite;
}

@keyframes dotBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero-badge span:last-child {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-primary);
    letter-spacing: 0.5px;
}

.hero-title {
    margin-bottom: 24px;
    line-height: 1.1;
}

.title-line {
    display: block;
    font-size: 28px;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 8px;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.title-name {
    display: block;
    font-size: 80px;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, #10b981 40%, #06b6d4 80%, #fff 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientFlow 4s ease infinite, fadeInUp 1s ease-out 0.4s both;
    text-shadow: 0 0 80px rgba(16, 185, 129, 0.5);
}

@keyframes gradientFlow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-subtitle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 22px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.subtitle-highlight {
    color: var(--accent-primary);
    font-weight: 700;
    font-size: 24px;
}

.subtitle-divider {
    color: var(--border-color);
}

.hero-desc {
    font-size: 18px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 48px;
    animation: fadeInUp 1s ease-out 0.8s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-bottom: 48px;
    animation: fadeInUp 1s ease-out 1s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 48px;
    font-weight: 800;
    color: var(--accent-primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, transparent, var(--border-color), transparent);
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 16px;
    animation: fadeInUp 1s ease-out 1.2s both;
}

.cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: var(--accent-gradient);
    border-radius: 999px;
    color: #000;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.5);
}

.cta-primary svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.cta-primary:hover svg {
    transform: translateX(4px);
}

.cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: transparent;
    border: 2px solid var(--border-color);
    border-radius: 999px;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-secondary:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(16, 185, 129, 0.1);
}

.cta-secondary svg {
    width: 18px;
    height: 18px;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    animation: fadeInUp 1s ease-out 1.5s both;
}

.scroll-mouse {
    width: 26px;
    height: 42px;
    border: 2px solid var(--border-color);
    border-radius: 13px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 2px;
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(10px); opacity: 0.3; }
}

.scroll-indicator span {
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 1px;
}

/* ========================================
   个人信息区 - 新设计
   ======================================== */

.profile-section {
    background: var(--bg-secondary);
    padding: 60px 24px;
}

.profile-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

/* 个人信息卡片 */
.profile-card-new {
    display: flex;
    align-items: center;
    gap: 48px;
    padding: 32px 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
}

.profile-left {
    display: flex;
    align-items: center;
    gap: 24px;
}

.profile-avatar-new {
    width: 80px;
    height: 80px;
    display: block;
    object-fit: cover;
    border-radius: 50%;
    flex-shrink: 0;
    background: var(--bg-card);
}

.profile-avatar-new img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 50%;
}

.profile-basic {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.profile-name-new {
    font-size: 28px;
    font-weight: 700;
}

.profile-title-new {
    font-size: 16px;
    color: var(--accent-primary);
    font-weight: 500;
}

.profile-tags-new {
    display: flex;
    gap: 8px;
}

.profile-tags-new span {
    padding: 4px 12px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 999px;
    font-size: 12px;
    color: var(--accent-primary);
}

.profile-right {
    flex: 1;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 32px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.info-item svg {
    width: 20px;
    height: 20px;
    color: var(--accent-secondary);
    flex-shrink: 0;
}

.info-content {
    display: flex;
    flex-direction: column;
}

.info-label {
    font-size: 12px;
    color: var(--text-muted);
}

.info-value {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

/* 核心信息网格 */
.core-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.core-info-card {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.core-info-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-2px);
}

.core-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.1);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.core-icon svg {
    width: 24px;
    height: 24px;
    color: var(--accent-primary);
}

.core-content h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.core-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 开放合作横幅 */
.collaboration-banner {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px 32px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-lg);
}

.collaboration-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: 50%;
    flex-shrink: 0;
}

.collaboration-icon svg {
    width: 28px;
    height: 28px;
    color: #000;
}

.collaboration-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--accent-primary);
}

.collaboration-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.collaboration-content .highlight {
    color: var(--accent-primary);
    font-weight: 600;
}

/* ========================================
   项目经历 - 卡片式设计
   ======================================== */

.section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 24px;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-primary);
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 16px;
    color: var(--text-secondary);
}

/* 项目时间线 */
.projects-timeline {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.project-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s ease;
}

.project-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.project-card-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover .project-card-glow {
    opacity: 1;
}

.project-card-header {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px 28px;
    border-bottom: 1px solid var(--border-color);
}

.project-number-badge {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-md);
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.project-meta-info {
    flex: 1;
}

.project-card-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
}

.project-card-company {
    font-size: 14px;
    color: var(--accent-secondary);
}

.project-card-date {
    font-size: 13px;
    color: var(--text-muted);
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
}

.project-card-body {
    padding: 24px 28px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.project-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.project-section-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.project-section p,
.project-card-body > p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.75;
}

.project-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 28px;
    background: rgba(0, 0, 0, 0.2);
    flex-wrap: wrap;
}

.project-result-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: var(--radius-sm);
}

.project-result-badge svg {
    width: 18px;
    height: 18px;
    color: var(--accent-primary);
}

.project-result-badge span {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

.project-tech-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.project-tech-tags span {
    padding: 6px 14px;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 999px;
    font-size: 12px;
    color: var(--accent-secondary);
}

.project-visit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 28px;
    padding: 6px 14px;
    background: rgba(148, 163, 184, 0.12);
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 999px;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.project-visit-btn:hover {
    transform: translateY(-1px);
    border-color: rgba(148, 163, 184, 0.36);
    background: rgba(148, 163, 184, 0.18);
    color: var(--text-secondary);
}

.project-visit-btn svg {
    width: 14px;
    height: 14px;
}

/* 简单项目卡片 */
.project-card-simple .project-card-body {
    padding: 20px 28px;
}

/* ========================================
   能力结构
   ======================================== */

.skills-showcase {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.skill-item {
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.skill-item:hover {
    border-color: var(--border-glow);
    transform: translateY(-2px);
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.skill-icon-wrapper {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.1);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.skill-icon-wrapper svg {
    width: 24px;
    height: 24px;
    color: var(--accent-primary);
}

.skill-info {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.skill-info h3 {
    font-size: 18px;
    font-weight: 600;
}

.skill-level {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent-primary);
}

.skill-bar {
    height: 8px;
    background: rgba(55, 65, 81, 0.5);
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: 12px;
}

.skill-progress {
    height: 100%;
    width: 100%;
    background: var(--accent-gradient);
    border-radius: 999px;
    transition: width 1s ease;
}

.skill-detail {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ========================================
   科研成果
   ======================================== */

.research-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.research-card {
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.research-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-2px);
}

.research-card--summary {
    grid-column: 1 / -1;
}

.research-badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 999px;
    font-size: 12px;
    color: var(--accent-primary);
    font-weight: 500;
    margin-bottom: 16px;
}

.research-badge-pending {
    background: rgba(251, 191, 36, 0.1);
    border-color: rgba(251, 191, 36, 0.2);
    color: #fbbf24;
}

.research-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
}

.research-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.research-date {
    font-size: 13px;
    color: var(--text-muted);
}

.research-asset-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 18px;
}

.research-asset-block {
    padding: 16px;
    background: rgba(15, 23, 42, 0.35);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.research-asset-block h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.research-chip-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.research-chip-list span {
    padding: 6px 10px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.16);
    border-radius: 999px;
    color: var(--accent-primary);
    font-size: 12px;
    line-height: 1;
}

/* ========================================
   荣誉奖项
   ======================================== */

.awards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.awards-category {
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.awards-category-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.awards-category-title svg {
    width: 22px;
    height: 22px;
    color: var(--accent-primary);
}

.awards-list {
    list-style: none;
}

.awards-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(55, 65, 81, 0.3);
}

.awards-list li:last-child {
    border-bottom: none;
}

.award-level {
    flex-shrink: 0;
    padding: 4px 10px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--accent-primary);
    font-weight: 500;
}

.award-name {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ========================================
   页脚
   ======================================== */

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 48px 24px 24px;
}

.footer-container {
    max-width: 1150px;
    margin: 0 auto;
}

.footer-main {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 64px;
    align-items: start;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border-color);
}

.footer-about {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
}

.footer-profile {
    display: flex;
    align-items: center;
    gap: 16px;
}

.footer-brand-info h3 {
    font-size: 20px;
    font-weight: 600;
    margin-top: 2px;
}

.footer-brand-info p {
    font-size: 14px;
    color: var(--text-secondary);
}

.footer-about-text {
    color: var(--text-secondary);
    line-height: 1.85;
    font-size: 14px;
    max-width: 640px;
}

.footer-manifesto {
    display: flex;
    align-items: center;
    justify-content: center;
    width: min(100%, 560px);
    min-height: 42px;
    padding: 0 36px;
    border: 1px solid rgba(16, 185, 129, 0.24);
    border-radius: 999px;
    background: rgba(16, 185, 129, 0.08);
    color: var(--accent-primary);
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: flex-start;
    gap: 48px;
}

.footer-side {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.footer-link-grid {
    display: grid;
    grid-template-columns: repeat(2, max-content);
    gap: 8px 20px;
}

.footer-links-group h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--text-primary);
}

.footer-links-group a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

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

.footer-links-group a svg {
    width: 16px;
    height: 16px;
}

.footer-contact-note {
    margin: 2px 0 18px;
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.6;
}

.footer-links-group a#footerContactBtn {
    margin-top: 4px;
    display: inline-flex;
    width: fit-content;
    padding: 0;
    color: var(--text-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 13px;
}

.footer-legal-links {
    display: flex;
    align-items: center;
    gap: 22px;
    color: var(--text-muted);
    font-size: 13px;
}

.footer-legal-links a {
    color: inherit;
    font-size: inherit;
    line-height: inherit;
    text-decoration: none;
}

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

.footer-location {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 13px;
}

.footer-location svg {
    width: 14px;
    height: 14px;
}

.policy-page {
    min-height: 100vh;
    padding: 40px 20px 64px;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.policy-back {
    display: inline-flex;
    margin: 0 auto 24px;
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 14px;
}

.policy-content {
    max-width: 840px;
    margin: 0 auto;
    padding: 32px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.policy-content h1 {
    margin-bottom: 8px;
    font-size: 32px;
}

.policy-updated {
    margin-bottom: 28px;
    color: var(--text-muted);
    font-size: 14px;
}

.policy-content section + section {
    margin-top: 22px;
}

.policy-content h2 {
    margin-bottom: 8px;
    font-size: 18px;
}

.policy-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 15px;
}

/* ========================================
   Toast
   ======================================== */

.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 14px 24px;
    background: var(--bg-card);
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* ========================================
   弹窗
   ======================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    margin: 24px;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-overlay.show .modal {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 20px;
    font-weight: 600;
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.modal-close:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.modal-close svg {
    width: 18px;
    height: 18px;
}

.modal-form {
    padding: 28px;
}

.form-honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 15px;
    transition: border-color 0.2s ease;
}

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

.form-group input.is-invalid,
.form-group select.is-invalid,
.form-group textarea.is-invalid {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

.field-error {
    display: none;
    margin-top: 8px;
    color: #f87171;
    font-size: 12px;
    line-height: 1.5;
}

.field-error.show {
    display: block;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group select {
    cursor: pointer;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

.form-actions .btn-primary,
.form-actions .btn-outline {
    min-width: 92px;
    white-space: nowrap;
    justify-content: center;
}

.btn-outline {
    padding: 12px 24px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 15px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-outline:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

/* ========================================
   响应式
   ======================================== */

@media (max-width: 1024px) {
    .section {
        padding: 72px 24px;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 28px;
        max-width: 760px;
        margin-left: auto;
        margin-right: auto;
    }

    .stat-item {
        min-width: 130px;
    }

    .profile-card-new {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
    }

    .profile-right {
        width: 100%;
    }

    .core-info-grid {
        grid-template-columns: 1fr;
    }

    .research-grid,
    .awards-grid,
    .skills-showcase {
        grid-template-columns: 1fr;
    }

    .research-asset-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-about {
        gap: 28px;
    }

    .footer-side {
        gap: 24px;
    }

}

@media (max-width: 768px) {
    .navbar {
        position: sticky;
    }

    .nav-container {
        height: 64px;
        padding: 0 16px;
        gap: 12px;
    }

    .brand-logo {
        width: 38px;
        height: 38px;
        border-radius: 12px;
    }

    .brand-name {
        font-size: 16px;
    }

    .nav-links {
        display: none;
    }

    .nav-actions .btn-primary {
        padding: 9px 14px;
        font-size: 13px;
    }

    .hero-section {
        min-height: auto;
        padding: 88px 0 64px;
        align-items: flex-start;
    }

    .hero-container {
        width: 100%;
        padding: 0 18px;
    }

    .hero-badge {
        margin-bottom: 24px;
    }

    .hero-title {
        font-size: 32px;
        margin-bottom: 20px;
    }

    .title-name {
        font-size: 52px;
    }

    .title-line {
        font-size: 18px;
    }

    .hero-subtitle {
        flex-direction: column;
        gap: 6px;
        font-size: 18px;
    }

    .subtitle-divider {
        display: none;
    }

    .subtitle-highlight {
        font-size: 20px;
    }

    .hero-desc {
        font-size: 15px;
        line-height: 1.75;
        margin-bottom: 32px;
    }

    .hero-desc br {
        display: none;
    }

    .hero-stats {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px;
        margin-bottom: 32px;
        width: 100%;
    }

    .stat-divider {
        display: none;
    }

    .stat-item {
        min-width: 0;
        padding: 14px 10px;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        background: rgba(17, 24, 39, 0.55);
    }

    .hero-stats .stat-item:last-child {
        grid-column: 1 / -1;
    }

    .stat-number {
        font-size: 30px;
    }

    .stat-label {
        font-size: 12px;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
        max-width: 280px;
        margin: 0 auto;
    }

    .cta-primary,
    .cta-secondary {
        width: 100%;
        justify-content: center;
    }

    .scroll-indicator {
        display: none;
    }

    .section-title {
        font-size: 28px;
    }

    .section,
    .profile-section {
        padding-left: 18px;
        padding-right: 18px;
    }

    .section {
        padding-top: 64px;
        padding-bottom: 64px;
    }

    .section-header {
        margin-bottom: 32px;
    }

    .section-desc {
        font-size: 14px;
        line-height: 1.7;
    }

    .profile-card-new {
        padding: 24px;
    }

    .profile-left {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .profile-tags-new {
        flex-wrap: wrap;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .collaboration-banner {
        flex-direction: column;
        text-align: center;
        padding: 24px 20px;
    }

    .project-card-header {
        flex-wrap: wrap;
        gap: 12px;
        padding: 22px 20px;
    }

    .project-number-badge {
        width: 42px;
        height: 42px;
        font-size: 16px;
    }

    .project-card-title {
        font-size: 18px;
    }

    .project-card-date {
        order: 3;
        width: 100%;
        text-align: left;
    }

    .project-card-body {
        padding: 22px 20px;
    }

    .project-card-footer {
        flex-direction: column;
        align-items: flex-start;
        padding: 18px 20px;
    }

    .project-result-badge {
        align-items: flex-start;
        width: 100%;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer-link-grid {
        grid-template-columns: repeat(3, max-content);
        gap: 8px 18px;
    }

    .footer-manifesto {
        width: 100%;
        padding: 10px 18px;
        font-size: 14px;
        border-radius: var(--radius-lg);
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .footer-legal-links {
        justify-content: center;
        flex-wrap: wrap;
    }

    .modal-overlay {
        align-items: flex-end;
    }

    .modal {
        max-width: none;
        width: 100%;
        max-height: calc(100vh - 24px);
        margin: 12px;
        overflow: hidden;
        border-radius: var(--radius-lg);
    }

    .modal-form {
        max-height: calc(100vh - 130px);
        overflow-y: auto;
        padding: 22px;
    }

    .modal-header {
        padding: 20px 22px;
    }

    .form-actions {
        position: sticky;
        bottom: 0;
        padding-top: 12px;
        background: var(--bg-secondary);
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 12px;
    }

    .nav-actions .btn-primary span {
        display: none;
    }

    .nav-actions .btn-primary {
        width: 40px;
        height: 40px;
        padding: 0;
        justify-content: center;
        border-radius: var(--radius-md);
    }

    .title-name {
        font-size: 42px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .hero-stats .stat-item:last-child {
        grid-column: auto;
    }

    .profile-card-new,
    .core-info-card,
    .research-card,
    .awards-category,
    .skill-item {
        padding: 20px;
    }

    .profile-avatar-new {
        width: 68px;
        height: 68px;
    }

    .profile-name-new {
        font-size: 24px;
    }

    .core-info-card {
        flex-direction: column;
    }

    .awards-list li {
        flex-direction: column;
        gap: 8px;
    }

    .project-card-header,
    .project-card-body,
    .project-card-footer {
        padding-left: 18px;
        padding-right: 18px;
    }

    .project-tech-tags span {
        padding: 5px 10px;
    }

    .footer {
        padding: 40px 18px 22px;
    }

    .footer-profile {
        align-items: flex-start;
    }

    .footer-link-grid {
        grid-template-columns: 1fr;
        gap: 2px;
    }

    .footer-about-text {
        font-size: 13px;
    }

    .footer-legal-links {
        flex-direction: column;
        gap: 8px;
    }

    .modal {
        margin: 8px;
    }

    .form-actions {
        flex-direction: column-reverse;
    }

    .form-actions .btn-primary,
    .form-actions .btn-outline {
        width: 100%;
    }
}

@media print {
    .navbar,
    .btn-primary,
    .modal-overlay {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .hero-section,
    .section,
    .profile-section {
        background: white;
    }

    .project-card,
    .research-card,
    .core-info-card,
    .profile-card-new,
    .awards-category,
    .collaboration-banner {
        background: white;
        border: 1px solid #ddd;
        color: black;
    }
}