/* ========================================
   京城皮肤博士工作站 - 样式文件
   主色调：医疗深蓝 #0A2E5C / #1565C0
   辅助色：科技蓝 #2196F3 / 金色 #C8A96A
   字体：Noto Serif SC (标题) / Noto Sans SC (正文)
   ======================================== */

/* ========== 基础重置 ========== */
.friend-link-box{
    margin-top:0 !important;
}
.qrcode-pop{
    width: 140px !important;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-deep: #0A2E5C;
    --primary-main: #1565C0;
    --tech-blue: #2196F3;
    --gold: #C8A96A;
    --gold-light: #E8D5A8;
    --bg-white: #FFFFFF;
    --bg-gray: #F5F7FA;
    --bg-silver: #EEF2F7;
    --text-primary: #1A2B45;
    --text-secondary: #4A5A75;
    --text-tertiary: #8A98B0;
    --text-light: #C5CFDE;
    --border-color: #E2E8F0;
    --shadow-sm: 0 2px 8px rgba(10, 46, 92, 0.06);
    --shadow-md: 0 8px 24px rgba(10, 46, 92, 0.08);
    --shadow-lg: 0 16px 48px rgba(10, 46, 92, 0.12);
    --shadow-blue: 0 8px 32px rgba(21, 101, 192, 0.15);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --container-width: 1200px;
    --serif-font: 'Microsoft YaHei', '微软雅黑', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --sans-font: 'Microsoft YaHei', '微软雅黑', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--sans-font);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== 通用板块样式 ========== */
.section {
    padding: 100px 0;
}

.section-header {
    margin-bottom: 60px;
}

.section-header.center {
    text-align: center;
}

.section-label {
    font-family: var(--sans-font);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 4px;
    color: var(--primary-main);
    margin-bottom: 12px;
    text-transform: uppercase;
}

.section-label.light {
    color: var(--gold-light);
}

.section-title {
    font-family: var(--serif-font);
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-deep);
    line-height: 1.3;
    margin-bottom: 16px;
}

.section-title.light {
    color: #fff;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    max-width: 680px;
}

.section-header.center .section-subtitle {
    margin-left: auto;
    margin-right: auto;
}

.title-line {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-main), var(--tech-blue));
    border-radius: 2px;
    margin-top: 20px;
}

.title-line.center {
    margin: 20px auto 0;
}

.subsection-title {
    font-family: var(--serif-font);
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-deep);
    margin-bottom: 32px;
}

.subsection-title.center {
    text-align: center;
}

/* ========== 板块1：顶部导航栏 ========== */


.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.logo-icon {
    width: 42px;
    height: 42px;
    color: var(--primary-deep);
    display: flex;
    align-items: center;
    justify-content: center;
}

.navbar:not(.scrolled) .logo-icon {
    color: #fff;
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.logo-text .logo-title {
    font-family: var(--serif-font);
    font-size: 17px;
    font-weight: 700;
    color: var(--primary-deep);
    white-space: nowrap;
}

.navbar:not(.scrolled) .logo-title {
    color: #fff;
}

.logo-text .logo-sub {
    font-size: 11px;
    color: var(--text-tertiary);
    letter-spacing: 1px;
    margin-top: 2px;
}

.navbar:not(.scrolled) .logo-sub {
    color: rgba(255, 255, 255, 0.6);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-menu li a {
    display: block;
    padding: 8px 14px;
    font-size: 14.5px;
    font-weight: 500;
    color: var(--text-primary);
    transition: color 0.2s;
    position: relative;
}

.navbar:not(.scrolled) .nav-menu li a {
    color: rgba(255, 255, 255, 0.9);
}

.nav-menu li a:hover {
    color: var(--primary-main);
}

.navbar:not(.scrolled) .nav-menu li a:hover {
    color: var(--gold-light);
}

.nav-menu li a.active {
    color: var(--primary-main);
}

.nav-menu li a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 14px;
    right: 14px;
    height: 2px;
    background: var(--primary-main);
    border-radius: 1px;
}

.navbar:not(.scrolled) .nav-menu li a.active {
    color: var(--gold-light);
}

.navbar:not(.scrolled) .nav-menu li a.active::after {
    background: var(--gold-light);
}

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

.btn-appointment {
    padding: 10px 24px;
    background: var(--primary-main);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--primary-main);
}

.btn-appointment:hover {
    background: var(--primary-deep);
    border-color: var(--primary-deep);
    transform: translateY(-1px);
    box-shadow: var(--shadow-blue);
}

.navbar:not(.scrolled) .btn-appointment {
    background: var(--gold);
    border-color: var(--gold);
    color: var(--primary-deep);
}

.navbar:not(.scrolled) .btn-appointment:hover {
    background: var(--gold-light);
    border-color: var(--gold-light);
}

/* ========== 板块2：Hero首屏 ========== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 720px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--primary-deep);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.35;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(10, 46, 92, 0.95) 0%, 
        rgba(21, 101, 192, 0.85) 50%,
        rgba(10, 46, 92, 0.92) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 1000px;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(200, 169, 106, 0.15);
    border: 1px solid rgba(200, 169, 106, 0.4);
    border-radius: 50px;
    color: var(--gold-light);
    font-size: 14px;
    margin-bottom: 28px;
    backdrop-filter: blur(10px);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--gold);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
}

.hero-title {
    font-family: var(--serif-font);
    font-size: 64px;
    font-weight: 900;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: 2px;
    text-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 56px;
    letter-spacing: 4px;
    font-weight: 300;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 56px;
    padding: 36px 48px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
}

.stat-item {
    flex: 1;
    text-align: center;
    padding: 0 20px;
}

.stat-divider {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.stat-number {
    font-family: var(--serif-font);
    font-size: 48px;
    font-weight: 700;
    color: #fff;
    line-height: 1;
    margin-bottom: 8px;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
}

.stat-plus {
    font-size: 32px;
    color: var(--gold);
    font-weight: 600;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 1px;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.btn-primary {
    padding: 14px 36px;
    background: var(--gold);
    color: var(--primary-deep);
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    letter-spacing: 1px;
}

.btn-primary:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(200, 169, 106, 0.3);
}

.btn-primary.large {
    padding: 18px 48px;
    font-size: 17px;
}

.btn-ghost {
    padding: 14px 36px;
    background: transparent;
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    border: 1.5px solid rgba(255, 255, 255, 0.4);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    letter-spacing: 1px;
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.7);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 12px;
    letter-spacing: 2px;
    z-index: 1;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, var(--gold));
    animation: scrollLine 2s ease-in-out infinite;
}

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

/* ========== 板块3：工作站概况 ========== */
.overview-section {
    background: var(--bg-white);
}

.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: start;
}

.overview-text {
    padding-top: 12px;
}

.overview-desc {
    font-size: 16px;
    line-height: 2;
    color: var(--text-secondary);
    margin-bottom: 20px;
    text-align: justify;
}

.overview-tags {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.tag-item {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 15px;
    color: var(--text-primary);
    font-weight: 500;
}

.tag-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-main);
    background: rgba(21, 101, 192, 0.08);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.tag-icon svg {
    width: 20px;
    height: 20px;
}

.research-directions {
    background: var(--bg-gray);
    border-radius: var(--radius-xl);
    padding: 40px;
}

.directions-title {
    font-family: var(--serif-font);
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-deep);
    margin-bottom: 24px;
}

.direction-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.direction-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.direction-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-main), var(--tech-blue));
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.3s ease;
}

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

.direction-card:hover::before {
    transform: scaleY(1);
}

.direction-number {
    font-family: var(--serif-font);
    font-size: 32px;
    font-weight: 700;
    color: rgba(21, 101, 192, 0.12);
    position: absolute;
    top: 16px;
    right: 24px;
}

.direction-icon {
    width: 48px;
    height: 48px;
    color: var(--primary-main);
    margin-bottom: 16px;
}

.direction-icon svg {
    width: 100%;
    height: 100%;
}

.direction-card h4 {
    font-family: var(--serif-font);
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-deep);
    margin-bottom: 8px;
}

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

/* ========== 板块4：合作项目 ========== */
.partners-section {
    background: var(--bg-silver);
}

.partners-grid {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-bottom: 64px;
}

.partner-category {
    display: flex;
    align-items: flex-start;
    gap: 32px;
}

.category-label {
    flex-shrink: 0;
    width: 100px;
    padding: 8px 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-main);
    text-align: right;
    border-right: 2px solid var(--primary-main);
    padding-right: 16px;
}

.partner-logos {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.partner-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 24px;
    background: #fff;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    cursor: pointer;
}

.partner-logo:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-main);
}

.partner-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-main);
    background: rgba(21, 101, 192, 0.08);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.partner-icon svg {
    width: 20px;
    height: 20px;
}

.partner-logo span {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
}

.key-projects {
    margin-top: 40px;
}

.project-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.project-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.project-badge {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, var(--primary-main), var(--tech-blue));
    color: #fff;
    font-size: 12px;
    font-weight: 500;
    border-radius: 4px;
    margin-bottom: 16px;
}

.project-card h4 {
    font-family: var(--serif-font);
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-deep);
    margin-bottom: 12px;
    line-height: 1.5;
}

.project-card > p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.project-meta {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 16px;
    border-top: 1px dashed var(--border-color);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-tertiary);
}

.meta-item svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.meta-item.status-done {
    color: #2E7D32;
    font-weight: 500;
}

.meta-item.status-going {
    color: var(--primary-main);
    font-weight: 500;
}

/* ========== 板块5：中青年医师培养 ========== */
.training-section {
    background: var(--bg-white);
}

.training-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    margin-bottom: 64px;
}

.training-card {
    background: linear-gradient(135deg, var(--primary-deep), var(--primary-main));
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.training-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(200, 169, 106, 0.15), transparent 70%);
    border-radius: 50%;
}

.training-icon {
    width: 64px;
    height: 64px;
    color: var(--gold);
    margin-bottom: 24px;
}

.training-icon svg {
    width: 100%;
    height: 100%;
}

.training-card h3 {
    font-family: var(--serif-font);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 28px;
    position: relative;
}

.training-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
}

.training-list li {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.training-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.list-label {
    font-size: 13px;
    color: var(--gold-light);
    letter-spacing: 1px;
}

.list-value {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

.training-right {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mentor-card {
    background: var(--bg-gray);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    border: 1px solid var(--border-color);
}

.mentor-card h4 {
    font-family: var(--serif-font);
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-deep);
    margin-bottom: 20px;
}

.mentor-info {
    display: flex;
    gap: 20px;
    align-items: center;
}

.mentor-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-main), var(--primary-deep));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.mentor-avatar svg {
    width: 32px;
    height: 32px;
}

.mentor-text strong {
    display: block;
    font-size: 17px;
    font-weight: 600;
    color: var(--primary-deep);
    margin-bottom: 4px;
}

.mentor-text p {
    font-size: 13px;
    color: var(--primary-main);
    margin-bottom: 8px;
    font-weight: 500;
}

.mentor-text span {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.growth-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    border: 1px solid var(--border-color);
    flex: 1;
}

.growth-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 24px;
}

.growth-header h4 {
    font-family: var(--serif-font);
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-deep);
}

.growth-name {
    font-size: 14px;
    color: var(--gold);
    font-weight: 600;
}

.growth-intro {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px dashed var(--border-color);
}

.growth-intro p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.growth-timeline {
    position: relative;
    padding-left: 24px;
}

.growth-timeline::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 6px;
    bottom: 6px;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-main), var(--tech-blue), var(--gold));
    border-radius: 1px;
}

.growth-step {
    position: relative;
    padding-bottom: 24px;
}

.growth-step:last-child {
    padding-bottom: 0;
}

.step-dot {
    position: absolute;
    left: -22px;
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--primary-main);
    z-index: 1;
}

.step-year {
    font-family: var(--serif-font);
    font-size: 15px;
    font-weight: 700;
    color: var(--primary-main);
    margin-bottom: 4px;
}

.step-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.training-modes {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 28px 40px;
    background: var(--bg-gray);
    border-radius: var(--radius-lg);
    flex-wrap: wrap;
}

.mode-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: #fff;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.mode-icon {
    width: 24px;
    height: 24px;
    color: var(--primary-main);
}

.mode-icon svg {
    width: 100%;
    height: 100%;
}

/* ========== 板块6：科研成果 ========== */
.research-section {
    background: linear-gradient(180deg, var(--bg-silver) 0%, var(--bg-white) 100%);
}

.achievement-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 64px;
}

.ach-stat {
    text-align: center;
    padding: 32px 20px;
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.ach-stat:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-main);
}

.ach-number {
    font-family: var(--serif-font);
    font-size: 42px;
    font-weight: 700;
    color: var(--primary-deep);
    line-height: 1;
    margin-bottom: 8px;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
}

.ach-number .stat-plus {
    font-size: 28px;
    color: var(--gold);
}

.ach-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.result-tabs {
    margin-bottom: 80px;
}

.tab-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 48px;
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    padding: 16px 36px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-tertiary);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.3s ease;
    cursor: pointer;
    font-family: var(--sans-font);
}

.tab-btn:hover {
    color: var(--primary-main);
}

.tab-btn.active {
    color: var(--primary-deep);
    border-bottom-color: var(--primary-main);
    font-weight: 600;
}

.tab-content {
    display: none;
    animation: fadeIn 0.4s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-cards-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 24px;
}

.result-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.result-card:hover {
    box-shadow: var(--shadow-md);
}

.result-card.highlight {
    border-left: 4px solid var(--gold);
    background: linear-gradient(to right, rgba(200, 169, 106, 0.03), #fff);
}

.card-badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(21, 101, 192, 0.1);
    color: var(--primary-main);
    font-size: 13px;
    font-weight: 600;
    border-radius: 4px;
    margin-bottom: 20px;
}

.card-badge.gold {
    background: rgba(200, 169, 106, 0.12);
    color: #A08050;
}

.result-card h4 {
    font-family: var(--serif-font);
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-deep);
    margin-bottom: 20px;
    line-height: 1.5;
}

.result-meta {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.meta-row {
    display: flex;
    gap: 16px;
    padding-bottom: 14px;
    border-bottom: 1px dashed var(--border-color);
}

.meta-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.meta-label {
    flex-shrink: 0;
    font-size: 14px;
    color: var(--text-tertiary);
    width: 80px;
}

.meta-value {
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.7;
}

.meta-value strong {
    color: var(--primary-deep);
    font-weight: 600;
}

.meta-value em {
    font-style: italic;
    color: var(--primary-main);
}

.meta-value br {
    margin-bottom: 4px;
    display: block;
    content: '';
}

.status-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.status-badge.success {
    background: #E8F5E9;
    color: #2E7D32;
}

/* 论文样式 */
.papers-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    grid-template-rows: auto auto;
    gap: 24px;
}

.paper-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.paper-card:hover {
    box-shadow: var(--shadow-md);
}

.paper-card.top-journal {
    grid-row: span 2;
    border: 2px solid var(--gold);
    background: linear-gradient(135deg, rgba(200, 169, 106, 0.04), #fff);
    position: relative;
}

.paper-card.top-journal::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--gold), var(--primary-main), var(--gold));
    z-index: -1;
    opacity: 0.3;
    filter: blur(8px);
}

.paper-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: linear-gradient(135deg, var(--gold), #D4B876);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    border-radius: 4px;
    margin-bottom: 20px;
}

.paper-badge svg {
    width: 16px;
    height: 16px;
}

.paper-badge.sci {
    background: rgba(21, 101, 192, 0.1);
    color: var(--primary-main);
}

.paper-card h4 {
    font-family: var(--serif-font);
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-deep);
    margin-bottom: 12px;
    line-height: 1.5;
}

.paper-card.sci-paper h4 {
    font-size: 16px;
    line-height: 1.6;
}

.paper-journal {
    font-size: 14px;
    color: var(--primary-main);
    font-weight: 500;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px dashed var(--border-color);
}

.paper-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}

.paper-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pi-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-main), var(--tech-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.pi-icon svg {
    width: 22px;
    height: 22px;
}

.paper-author strong {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.paper-author p {
    font-size: 12px;
    color: var(--text-tertiary);
}

.paper-year span {
    display: block;
    font-size: 12px;
    color: var(--text-tertiary);
    text-align: right;
    margin-bottom: 4px;
}

.paper-year strong {
    display: block;
    font-family: var(--serif-font);
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-deep);
    text-align: right;
}

.paper-authors-multi {
    font-size: 13px;
    line-height: 2;
}

.paper-authors-multi strong {
    color: var(--primary-deep);
    font-weight: 600;
}

.paper-authors-multi .aff {
    color: var(--text-tertiary);
    font-size: 12px;
    margin-left: 4px;
}

.paper-authors-multi .co {
    display: block;
    font-size: 12px;
    color: var(--gold);
    font-weight: 500;
    margin: 8px 0 4px;
}

.paper-value h5 {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-deep);
    margin-bottom: 8px;
}

.paper-value p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

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

.ip-card:hover {
    box-shadow: var(--shadow-md);
}

.ip-card h4 {
    font-family: var(--serif-font);
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-deep);
    margin-bottom: 20px;
}

.ip-card ul {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.ip-card li {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.ip-num {
    font-family: var(--serif-font);
    font-size: 24px;
    font-weight: 700;
    color: rgba(21, 101, 192, 0.15);
    line-height: 1;
    flex-shrink: 0;
    width: 30px;
}

.ip-card li strong {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.ip-card li p {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* 产品卡片 */
.product-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.product-card.research {
    border: 1px dashed var(--gold);
    background: linear-gradient(180deg, rgba(200, 169, 106, 0.03), #fff);
}

.product-image {
    width: 80px;
    height: 100px;
    margin: 0 auto 24px;
    color: var(--primary-main);
}

.product-card.research .product-image {
    color: var(--gold);
}

.product-image svg {
    width: 100%;
    height: 100%;
}

.product-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 16px;
}

.product-badge.approved {
    background: #E8F5E9;
    color: #2E7D32;
}

.product-badge.pipeline {
    background: rgba(200, 169, 106, 0.12);
    color: #A08050;
}

.product-card h4 {
    font-family: var(--serif-font);
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-deep);
    margin-bottom: 6px;
}

.product-type {
    font-size: 13px;
    color: var(--primary-main);
    font-weight: 500;
    margin-bottom: 12px;
}

.product-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 时间轴 */
.timeline-section {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 1px solid var(--border-color);
}

.timeline-horizontal {
    position: relative;
    padding: 40px 0;
}

.timeline-line {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        var(--primary-deep), 
        var(--primary-main), 
        var(--tech-blue),
        var(--gold),
        var(--gold-light));
    transform: translateY(-50%);
    border-radius: 1px;
}

.timeline-items {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    z-index: 1;
}

.timeline-item {
    flex: 1;
    text-align: center;
    position: relative;
    padding: 0 12px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.timeline-item.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item:nth-child(even) {
    transform: translateY(-20px);
}

.timeline-item:nth-child(even).scroll-reveal.revealed {
    transform: translateY(0);
}

.timeline-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    border: 4px solid var(--primary-main);
    margin: 0 auto 20px;
    box-shadow: 0 4px 12px rgba(21, 101, 192, 0.3);
    position: relative;
    z-index: 2;
}

.timeline-item:nth-child(even) .timeline-dot {
    margin: 20px auto 0;
}

.timeline-dot.future {
    border-color: var(--gold);
    background: var(--gold);
}

.timeline-year {
    font-family: var(--serif-font);
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-deep);
    margin-bottom: 8px;
}

.timeline-item:nth-child(odd) .timeline-year,
.timeline-item:nth-child(odd) .timeline-content {
    margin-top: 0;
}

.timeline-content {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 160px;
    margin: 0 auto;
}

/* ========== 板块7：博士团队 ========== */
.team-section {
    background: var(--bg-white);
}

.doctor-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 48px;
}

.doctor-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
    cursor: pointer;
}

.doctor-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.doctor-avatar {
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: #D7DDEB;
    position: relative;
}

.doctor-avatar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to top, rgba(10, 46, 92, 0.4), transparent);
}

.doctor-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform 0.5s ease;
}

.doctor-card:hover .doctor-avatar img {
    transform: scale(1.08);
}

.doctor-info {
    padding: 24px 28px 28px;
}

.doctor-info h4 {
    font-family: var(--serif-font);
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-deep);
    margin-bottom: 4px;
}

.doctor-degree {
    font-size: 13px;
    color: var(--primary-main);
    font-weight: 500;
    margin-bottom: 8px;
}

.doctor-field {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.doctor-research {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px dashed var(--border-color);
}

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

.doctor-tags span {
    padding: 4px 10px;
    background: rgba(21, 101, 192, 0.08);
    color: var(--primary-main);
    font-size: 12px;
    border-radius: 4px;
    font-weight: 500;
}

.team-footer {
    text-align: center;
    padding: 24px;
    background: var(--bg-gray);
    border-radius: var(--radius-md);
}

.team-footer p {
    font-size: 15px;
    color: var(--text-secondary);
}

.team-footer strong {
    color: var(--primary-deep);
    font-weight: 700;
    font-size: 18px;
    font-family: var(--serif-font);
}

/* ========== 板块8：学术活动·动态 ========== */
.activity-section {
    background: var(--bg-silver);
}

.activity-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.activity-main {
    background: #fff;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.activity-cover {
    position: relative;
    height: 320px;
    overflow: hidden;
}

.activity-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.activity-main:hover .activity-cover img {
    transform: scale(1.05);
}

.activity-cover-tag {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 6px 16px;
    background: var(--gold);
    color: var(--primary-deep);
    font-size: 13px;
    font-weight: 600;
    border-radius: 4px;
}

.activity-content {
    padding: 32px 36px;
}

.activity-content h3 {
    font-family: var(--serif-font);
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-deep);
    line-height: 1.5;
    margin-bottom: 16px;
}

.activity-meta {
    display: flex;
    gap: 24px;
    margin-bottom: 20px;
    font-size: 13px;
    color: var(--text-tertiary);
}

.activity-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.activity-meta svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.activity-summary {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 24px;
    text-align: justify;
}

.activity-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.gallery-item {
    aspect-ratio: 4/3;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.activity-side {
    display: flex;
    flex-direction: column;
}

.side-title {
    font-family: var(--serif-font);
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-deep);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-main);
    display: inline-block;
}

.blog-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
}

.blog-item {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    cursor: pointer;
}

.blog-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-main);
}

.blog-cat {
    display: inline-block;
    padding: 2px 10px;
    background: rgba(200, 169, 106, 0.12);
    color: #A08050;
    font-size: 12px;
    font-weight: 500;
    border-radius: 4px;
    margin-bottom: 10px;
}

.blog-item h5 {
    font-size: 15px;
    font-weight: 600;
    color: var(--primary-deep);
    line-height: 1.6;
    margin-bottom: 12px;
}

.blog-author {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-tertiary);
}

.author-avatar-sm {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
}

.update-note {
    margin-top: 24px;
    padding: 16px;
    background: rgba(21, 101, 192, 0.05);
    border-radius: var(--radius-md);
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.update-note svg {
    width: 18px;
    height: 18px;
    color: var(--primary-main);
    flex-shrink: 0;
    margin-top: 1px;
}

/* ========== 板块9：FAQ常见问题 ========== */
.faq-section {
    background: var(--bg-white);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--primary-main);
    box-shadow: var(--shadow-sm);
}

.faq-item.active {
    border-color: var(--primary-main);
    box-shadow: var(--shadow-md);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 28px;
    cursor: pointer;
    user-select: none;
}

.faq-q {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-main), var(--tech-blue));
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    font-family: var(--serif-font);
}

.faq-question h4 {
    flex: 1;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-deep);
}

.faq-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--text-tertiary);
    transition: transform 0.3s ease;
}

.faq-icon svg {
    width: 100%;
    height: 100%;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    color: var(--primary-main);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 28px 24px;
    padding-left: 80px;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
}

.faq-answer p + p {
    padding-top: 0;
}

.faq-answer strong {
    color: var(--primary-deep);
    font-weight: 600;
}

/* ========== 板块10：加入我们 ========== */
.join-section {
    background: linear-gradient(135deg, var(--primary-deep) 0%, #0D3A6E 50%, var(--primary-main) 100%);
    position: relative;
    overflow: hidden;
}

.join-section::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(200, 169, 106, 0.1), transparent 70%);
    border-radius: 50%;
}

.join-section::after {
    content: '';
    position: absolute;
    bottom: -200px;
    left: -200px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(33, 150, 243, 0.1), transparent 70%);
    border-radius: 50%;
}

.join-wrapper {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 40px;
}

.join-left, .join-middle, .join-right {
    color: #fff;
}

.join-subtitle {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 32px;
    line-height: 1.7;
}

.recruit-info h4,
.join-middle h4,
.join-right h4 {
    font-family: var(--serif-font);
    font-size: 20px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.recruit-info ul {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.recruit-info li {
    display: flex;
    gap: 12px;
}

.rec-label {
    flex-shrink: 0;
    color: var(--gold-light);
    font-size: 14px;
    font-weight: 500;
    width: 70px;
}

.rec-value {
    flex: 1;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
}

.advantages {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.advantages li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.adv-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: rgba(200, 169, 106, 0.2);
    color: var(--gold-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

.adv-icon svg {
    width: 18px;
    height: 18px;
}

.advantages span {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    padding-top: 4px;
}

.apply-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    padding: 24px;
    backdrop-filter: blur(10px);
}

.apply-row {
    display: flex;
    gap: 12px;
    padding-bottom: 14px;
    margin-bottom: 14px;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.15);
}

.apply-row:last-of-type {
    border-bottom: none;
    margin-bottom: 20px;
    padding-bottom: 0;
}

.apply-label {
    flex-shrink: 0;
    font-size: 13px;
    color: var(--gold-light);
    font-weight: 500;
    width: 70px;
}

.apply-value {
    flex: 1;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

.apply-value.email {
    font-family: monospace;
    color: var(--gold-light);
    font-weight: 500;
}

.apply-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-apply {
    padding: 12px 24px;
    background: var(--gold);
    color: var(--primary-deep);
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    text-align: center;
}

.btn-apply:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
}

.btn-download {
    padding: 12px 24px;
    background: transparent;
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    text-align: center;
}

.btn-download:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
}

/* ========== 板块11：预约挂号CTA ========== */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #F5F7FA 0%, #E8EEF7 100%);
}

.cta-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 48px 60px;
    background: #fff;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border-left: 6px solid var(--primary-main);
}

.cta-text h2 {
    font-family: var(--serif-font);
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-deep);
    margin-bottom: 8px;
}

.cta-text p {
    font-size: 15px;
    color: var(--text-secondary);
}

.cta-buttons {
    display: flex;
    gap: 16px;
    flex-shrink: 0;
}

.btn-primary.large {
    padding: 16px 40px;
}

.btn-outline {
    padding: 14px 36px;
    background: transparent;
    color: var(--primary-main);
    font-size: 15px;
    font-weight: 500;
    border: 1.5px solid var(--primary-main);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: rgba(21, 101, 192, 0.05);
}

.btn-outline.large {
    padding: 16px 40px;
    font-size: 16px;
}

/* ========== 板块12：页脚 ========== */
.footer {
    background: var(--primary-deep);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 80px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
}

.footer-logo svg {
    width: 40px;
    height: 40px;
}

.footer-logo span {
    font-family: var(--serif-font);
    font-size: 20px;
    font-weight: 700;
}

.footer-address p {
    font-size: 14px;
    line-height: 2;
    color: rgba(255, 255, 255, 0.6);
}

.footer-address strong {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-col h5 {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--gold-light);
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
    line-height: 2;
}

/* ========== 滚动显现动画 ========== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ========== 响应式适配 ========== */
@media (max-width: 1200px) {
    :root {
        --container-width: 100%;
    }
    
    .hero-title {
        font-size: 52px;
    }
    
    .hero-stats {
        padding: 28px 32px;
    }
    
    .stat-number {
        font-size: 40px;
    }
}

@media (max-width: 960px) {
    .nav-menu {
        display: none;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-subtitle {
        font-size: 16px;
        letter-spacing: 2px;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 16px;
    }
    
    .stat-divider {
        display: none;
    }
    
    .stat-item {
        flex: 0 0 calc(50% - 8px);
    }
    
    .overview-grid,
    .training-grid,
    .activity-grid,
    .join-wrapper {
        grid-template-columns: 1fr;
    }
    
    .project-cards,
    .product-cards,
    .doctor-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .achievement-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .result-cards-grid,
    .papers-layout {
        grid-template-columns: 1fr;
    }
    
    .paper-card.top-journal {
        grid-row: auto;
    }
    
    .cta-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .section {
        padding: 60px 0;
    }
}

@media (max-width: 640px) {
    .hero {
        min-height: auto;
        height: auto;
        padding: 120px 0 80px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .project-cards,
    .product-cards,
    .doctor-grid,
    .achievement-stats,
    .partner-logos {
        grid-template-columns: 1fr;
    }
    
    .tab-buttons {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline-horizontal {
        overflow-x: auto;
    }
    
    .timeline-items {
        min-width: 800px;
    }
}