/* ===== 全局重置与基础 ===== */
*,*::before,*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
    font-size: 16px;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #0a0e1a;
    color: #e0e4f0;
    line-height: 1.6;
    overflow-x: hidden;
    transition: background 0.3s, color 0.3s;
}
body.light-mode {
    background: #f4f6fc;
    color: #1a1e2e;
}
a {
    color: #ffd700;
    text-decoration: none;
    transition: color 0.3s;
}
a:hover {
    color: #ffed4a;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.section {
    padding: 80px 0;
    position: relative;
}
/* ===== 毛玻璃效果 ===== */
.glass {
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}
.glass-light {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}
/* ===== 按钮 ===== */
.btn {
    display: inline-block;
    padding: 14px 40px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-align: center;
}
.btn-primary {
    background: linear-gradient(135deg, #ffd700, #ffb700);
    color: #0a0e1a;
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
}
.btn-outline {
    background: transparent;
    border: 2px solid #ffd700;
    color: #ffd700;
}
.btn-outline:hover {
    background: #ffd700;
    color: #0a0e1a;
}
/* ===== 标题 ===== */
.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #ffd700, #ff8c00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.section-subtitle {
    font-size: 1.1rem;
    color: #8892b0;
    max-width: 700px;
    margin: 0 auto 50px;
    text-align: center;
}
.text-center {
    text-align: center;
}
/* ===== 网格 ===== */
.grid {
    display: grid;
    gap: 30px;
}
.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}
.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}
.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}
/* ===== 卡片 ===== */
.card {
    background: rgba(255, 255, 255, 0.04);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: all 0.4s ease;
    backdrop-filter: blur(10px);
}
.card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 215, 0, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}
.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 28px;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.15), rgba(255, 140, 0, 0.1));
}
.badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    background: rgba(255, 215, 0, 0.15);
    color: #ffd700;
    margin-bottom: 12px;
}
/* ===== 导航 ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 20px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: background 0.3s;
}
.nav-logo {
    font-size: 1.6rem;
    font-weight: 900;
    color: #ffd700;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.nav-logo svg {
    width: 36px;
    height: 36px;
}
.nav-links {
    display: flex;
    list-style: none;
    gap: 6px;
}
.nav-links a {
    padding: 10px 18px;
    border-radius: 12px;
    color: #c0c8e0;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s;
    position: relative;
}
.nav-links a:hover,
.nav-links a.active {
    color: #ffd700;
    background: rgba(255, 215, 0, 0.1);
}
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
}
.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
}
.theme-toggle {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    padding: 8px 16px;
    color: #e0e4f0;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}
.theme-toggle:hover {
    background: rgba(255, 215, 0, 0.15);
    color: #ffd700;
}
/* ===== Hero ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 70px;
}
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-bg .gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.3;
    animation: orbFloat 20s ease-in-out infinite;
}
.hero-bg .orb1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #ffd700, transparent);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}
.hero-bg .orb2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #ff6b35, transparent);
    bottom: -200px;
    left: -150px;
    animation-delay: -7s;
}
.hero-bg .orb3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 200, 255, 0.3), transparent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}
.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 40px 20px;
}
.hero-badge {
    display: inline-block;
    padding: 8px 24px;
    border-radius: 50px;
    background: rgba(255, 215, 0, 0.12);
    color: #ffd700;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 215, 0, 0.2);
}
.hero h1 {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -1px;
}
.hero h1 span {
    background: linear-gradient(135deg, #ffd700, #ff8c00, #ffd700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero p {
    font-size: 1.25rem;
    color: #8892b0;
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.7;
}
.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.hero-stat {
    text-align: center;
}
.hero-stat-number {
    font-size: 2.4rem;
    font-weight: 900;
    color: #ffd700;
    display: block;
}
.hero-stat-label {
    font-size: 0.9rem;
    color: #8892b0;
    margin-top: 4px;
}
/* ===== Banner 轮播 ===== */
.banner-carousel {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    margin: 40px 0;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
}
.banner-slides {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.banner-slide {
    min-width: 100%;
    padding: 60px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}
.banner-slide-content {
    flex: 1;
}
.banner-slide h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: #fff;
}
.banner-slide p {
    color: #8892b0;
    margin-bottom: 20px;
    max-width: 500px;
}
.banner-slide .btn {
    margin-top: 8px;
}
.banner-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 20px;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 2;
}
.banner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}
.banner-dot.active {
    background: #ffd700;
    transform: scale(1.3);
}
/* ===== About ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.about-text h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
}
.about-text p {
    color: #8892b0;
    margin-bottom: 16px;
    line-height: 1.8;
}
.about-image {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.08), rgba(255, 140, 0, 0.04));
    border-radius: 24px;
    padding: 40px;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 215, 0, 0.1);
}
/* ===== Culture ===== */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}
.culture-item {
    text-align: center;
    padding: 36px 24px;
}
.culture-item .card-icon {
    margin: 0 auto 16px;
}
/* ===== Timeline ===== */
.timeline {
    position: relative;
    padding: 20px 0;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, transparent, #ffd700, transparent);
    transform: translateX(-50%);
}
.timeline-item {
    display: flex;
    justify-content: flex-end;
    padding: 20px 0;
    position: relative;
    width: 50%;
}
.timeline-item:nth-child(odd) {
    align-self: flex-end;
    justify-content: flex-start;
    margin-left: 50%;
}
.timeline-item .tl-content {
    background: rgba(255, 255, 255, 0.04);
    border-radius: 16px;
    padding: 20px 24px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    max-width: 400px;
    position: relative;
}
.timeline-item .tl-year {
    font-size: 1.2rem;
    font-weight: 900;
    color: #ffd700;
    margin-bottom: 6px;
}
.timeline-item .tl-desc {
    color: #8892b0;
    font-size: 0.9rem;
}
/* ===== Products ===== */
.prod-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.prod-card {
    padding: 36px 28px;
    text-align: center;
}
.prod-card h4 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: #fff;
}
.prod-card p {
    color: #8892b0;
    font-size: 0.95rem;
    margin-bottom: 16px;
    line-height: 1.7;
}
.prod-card .badge {
    background: rgba(255, 215, 0, 0.1);
}
/* ===== Advantages ===== */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}
.advantage-item {
    padding: 28px 24px;
    text-align: center;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s;
}
.advantage-item:hover {
    border-color: rgba(255, 215, 0, 0.2);
    transform: translateY(-4px);
}
.advantage-item .adv-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}
.advantage-item h5 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: #fff;
}
.advantage-item p {
    color: #8892b0;
    font-size: 0.9rem;
}
/* ===== Solutions ===== */
.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}
.solution-card {
    padding: 32px;
    position: relative;
    overflow: hidden;
}
.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #ffd700, #ff8c00);
}
.solution-card h4 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: #fff;
}
.solution-card p {
    color: #8892b0;
    font-size: 0.95rem;
    line-height: 1.7;
}
/* ===== Services ===== */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}
.service-item {
    text-align: center;
    padding: 28px 20px;
}
.service-item .srv-icon {
    font-size: 2.2rem;
    margin-bottom: 12px;
}
.service-item h5 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: #fff;
}
.service-item p {
    color: #8892b0;
    font-size: 0.85rem;
}
/* ===== Partners ===== */
.partner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    align-items: center;
}
.partner-item {
    background: rgba(255, 255, 255, 0.04);
    border-radius: 12px;
    padding: 24px 16px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: all 0.3s;
    font-weight: 600;
    color: #8892b0;
    font-size: 0.9rem;
}
.partner-item:hover {
    border-color: #ffd700;
    color: #ffd700;
}
/* ===== Testimonials ===== */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}
.testimonial-card {
    padding: 32px;
    position: relative;
}
.testimonial-card::before {
    content: '"';
    font-size: 4rem;
    color: rgba(255, 215, 0, 0.15);
    position: absolute;
    top: 8px;
    left: 20px;
    font-family: Georgia, serif;
    line-height: 1;
}
.testimonial-text {
    font-size: 1rem;
    color: #c0c8e0;
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}
.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ffd700, #ff8c00);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.2rem;
    color: #0a0e1a;
}
.testimonial-info .name {
    font-weight: 700;
    color: #fff;
}
.testimonial-info .role {
    font-size: 0.8rem;
    color: #8892b0;
}
/* ===== News ===== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}
.news-card {
    padding: 0;
    overflow: hidden;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: all 0.4s;
}
.news-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 215, 0, 0.2);
}
.news-card-img {
    height: 200px;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.08), rgba(255, 140, 0, 0.04));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: rgba(255, 215, 0, 0.3);
    overflow: hidden;
}
.news-card-body {
    padding: 24px;
}
.news-card-body .date {
    font-size: 0.8rem;
    color: #8892b0;
    margin-bottom: 8px;
}
.news-card-body h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: #fff;
    line-height: 1.4;
}
.news-card-body p {
    color: #8892b0;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 12px;
}
.news-card-body .read-more {
    color: #ffd700;
    font-weight: 600;
    font-size: 0.9rem;
}
/* ===== FAQ ===== */
.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 20px 0;
    cursor: pointer;
}
.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1.05rem;
    color: #e0e4f0;
    padding: 4px 0;
}
.faq-question .faq-toggle {
    font-size: 1.2rem;
    transition: transform 0.3s;
    color: #ffd700;
}
.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.3s, padding 0.3s;
    opacity: 0;
    padding-top: 0;
    color: #8892b0;
    line-height: 1.7;
}
.faq-item.active .faq-answer {
    max-height: 300px;
    opacity: 1;
    padding-top: 16px;
}
/* ===== HowTo ===== */
.howto-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    counter-reset: step;
}
.howto-step {
    text-align: center;
    padding: 32px 20px;
    position: relative;
}
.howto-step::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ffd700, #ff8c00);
    color: #0a0e1a;
    font-weight: 900;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
}
.howto-step h5 {
    font-size: 1.1rem;
    margin: 16px 0 8px;
    color: #fff;
}
.howto-step p {
    color: #8892b0;
    font-size: 0.9rem;
    line-height: 1.6;
}
/* ===== Contact ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}
.contact-info {
    padding: 32px;
}
.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #fff;
}
.contact-info-item {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    align-items: flex-start;
}
.contact-info-item .ci-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(255, 215, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #ffd700;
    flex-shrink: 0;
}
.contact-info-item .ci-text {
    color: #8892b0;
    font-size: 0.95rem;
}
.contact-info-item .ci-text strong {
    display: block;
    color: #e0e4f0;
    margin-bottom: 2px;
}
.contact-form {
    padding: 32px;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: #c0c8e0;
    font-size: 0.9rem;
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
    color: #e0e4f0;
    font-size: 1rem;
    transition: border-color 0.3s;
    outline: none;
    font-family: inherit;
}
.form-group input:focus,
.form-group textarea:focus {
    border-color: #ffd700;
}
.form-group textarea {
    min-height: 120px;
    resize: vertical;
}
/* ===== Footer ===== */
.footer {
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 60px 20px 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-brand .nav-logo {
    margin-bottom: 16px;
}
.footer-brand p {
    color: #8892b0;
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 300px;
}
.footer-links h5 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 16px;
    font-weight: 700;
}
.footer-links ul {
    list-style: none;
}
.footer-links li {
    margin-bottom: 10px;
}
.footer-links a {
    color: #8892b0;
    font-size: 0.9rem;
    transition: color 0.3s;
}
.footer-links a:hover {
    color: #ffd700;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.85rem;
    color: #5a6280;
}
.footer-bottom-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}
.footer-bottom-links a {
    color: #5a6280;
    font-size: 0.8rem;
}
.footer-bottom-links a:hover {
    color: #ffd700;
}
/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ffd700, #ff8c00);
    color: #0a0e1a;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s ease;
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
}
/* ===== Search Modal ===== */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    z-index: 2000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 120px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}
.search-modal.active {
    opacity: 1;
    visibility: visible;
}
.search-modal-inner {
    width: 90%;
    max-width: 600px;
    background: rgba(20, 24, 40, 0.95);
    border-radius: 24px;
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.search-modal input {
    width: 100%;
    padding: 16px 20px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
    color: #e0e4f0;
    font-size: 1.1rem;
    outline: none;
}
.search-modal input:focus {
    border-color: #ffd700;
}
.search-results {
    margin-top: 16px;
    max-height: 300px;
    overflow-y: auto;
}
.search-results .result-item {
    padding: 12px 16px;
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.3s;
    color: #c0c8e0;
}
.search-results .result-item:hover {
    background: rgba(255, 215, 0, 0.08);
    color: #ffd700;
}
.search-close {
    position: absolute;
    top: 80px;
    right: 40px;
    background: none;
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.3s;
}
.search-close:hover {
    opacity: 1;
}
/* ===== Mobile Menu ===== */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: rgba(10, 14, 26, 0.98);
    backdrop-filter: blur(20px);
    z-index: 1500;
    padding: 80px 30px 30px;
    transition: right 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-left: 1px solid rgba(255, 255, 255, 0.06);
}
.mobile-menu.open {
    right: 0;
}
.mobile-menu ul {
    list-style: none;
}
.mobile-menu li {
    margin-bottom: 8px;
}
.mobile-menu a {
    display: block;
    padding: 14px 20px;
    border-radius: 12px;
    color: #c0c8e0;
    font-size: 1.1rem;
    font-weight: 500;
    transition: all 0.3s;
}
.mobile-menu a:hover {
    background: rgba(255, 215, 0, 0.1);
    color: #ffd700;
}
.mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1400;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}
.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}
/* ===== Keyframes ===== */
@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -80px) scale(1.1); }
    50% { transform: translate(-30px, 60px) scale(0.95); }
    75% { transform: translate(70px, 40px) scale(1.05); }
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}
/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .about-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    html { font-size: 14px; }
    .hero h1 { font-size: 2.8rem; }
    .section { padding: 60px 0; }
    .section-title { font-size: 2rem; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .hero-stats { flex-wrap: wrap; gap: 30px; }
    .banner-slide { flex-direction: column; padding: 40px 24px; text-align: center; }
    .banner-slide-content p { margin: 0 auto 20px; }
    .timeline::before { left: 20px; }
    .timeline-item, .timeline-item:nth-child(odd) { width: 100%; margin-left: 0; justify-content: flex-start; padding-left: 50px; }
    .footer-grid { grid-template-columns: 1fr; }
    .nav-links { display: none; }
    .nav-toggle { display: block; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .search-close { top: 60px; right: 20px; }
}
@media (max-width: 480px) {
    .hero h1 { font-size: 2.2rem; }
    .hero p { font-size: 1rem; }
    .hero-actions { flex-direction: column; align-items: center; }
    .btn { padding: 12px 30px; width: 100%; max-width: 280px; }
    .banner-slide { padding: 30px 16px; }
    .banner-slide h3 { font-size: 1.3rem; }
}