:/* 满冠体育(中国)官方网站 - 完整样式表 */
:root {
    --primary: #1a3a5c;
    --primary-light: #2a5a8c;
    --primary-dark: #0f1f33;
    --accent: #f0c040;
    --accent-light: #f5d870;
    --accent-dark: #c99a00;
    --bg: #f8f9fc;
    --bg-card: #ffffff;
    --text: #1a1a2e;
    --text-light: #5a6a7e;
    --shadow: 0 8px 32px rgba(26, 58, 92, 0.12);
    --shadow-hover: 0 16px 48px rgba(26, 58, 92, 0.2);
    --radius: 16px;
    --radius-sm: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --glass: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    --max-width: 1200px;
    --font: 'Segoe UI', 'PingFang SC', Roboto, 'Helvetica Neue', sans-serif;
}
[data-theme="dark"] {
    --primary: #0f1f33;
    --primary-light: #1a3a5c;
    --primary-dark: #080f1a;
    --accent: #f0c040;
    --accent-light: #d4a830;
    --accent-dark: #a67c00;
    --bg: #0d1117;
    --bg-card: #161b22;
    --text: #e6edf3;
    --text-light: #8b949e;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.6);
    --glass: rgba(22, 27, 34, 0.8);
    --glass-border: rgba(48, 54, 61, 0.5);
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
    font-size: 16px;
}
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    transition: background var(--transition), color var(--transition);
    overflow-x: hidden;
}
a {
    color: var(--primary-light);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover {
    color: var(--accent);
}
img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-sm);
}
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}
.section-padding {
    padding: 80px 0;
}
.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}
.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 48px;
}
.glass-card {
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: all var(--transition);
}
.glass-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    background: var(--accent);
    color: var(--primary-dark);
}
.btn:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(240, 192, 64, 0.3);
}
.btn-outline {
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
}
.btn-outline:hover {
    background: var(--accent);
    color: var(--primary-dark);
}
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}
.text-accent {
    color: var(--accent);
}
.text-primary {
    color: var(--primary);
}
.mb-16 {
    margin-bottom: 16px;
}
.mb-24 {
    margin-bottom: 24px;
}
.mb-32 {
    margin-bottom: 32px;
}
.mb-48 {
    margin-bottom: 48px;
}
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: background var(--transition);
}
nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    max-width: var(--max-width);
    margin: 0 auto;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}
.logo svg {
    width: 40px;
    height: 40px;
}
.nav-links {
    display: flex;
    gap: 24px;
    list-style: none;
    align-items: center;
}
.nav-links a {
    font-weight: 500;
    padding: 6px 0;
    position: relative;
    color: var(--text);
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition);
}
.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}
.nav-links a:hover {
    color: var(--accent);
}
.dark-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.4rem;
    padding: 4px 8px;
    border-radius: 50%;
    transition: background var(--transition);
    color: var(--text);
}
.dark-toggle:hover {
    background: rgba(240, 192, 64, 0.15);
}
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}
.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--text);
    border-radius: 2px;
    transition: all var(--transition);
}
.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-card);
    padding: 24px;
    border-bottom: 2px solid var(--accent);
    box-shadow: var(--shadow);
    z-index: 999;
    flex-direction: column;
    gap: 16px;
}
.mobile-menu.open {
    display: flex;
}
.mobile-menu a {
    font-size: 1.1rem;
    font-weight: 500;
    padding: 8px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(240,192,64,0.08) 0%, transparent 60%);
    animation: heroGlow 20s ease infinite;
}
@keyframes heroGlow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(10%, 10%); }
}
.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}
.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -1px;
}
.hero h1 span {
    color: var(--accent);
}
.hero p {
    font-size: 1.15rem;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 540px;
}
.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero-image svg {
    width: 100%;
    max-width: 480px;
    height: auto;
    filter: drop-shadow(0 20px 60px rgba(0,0,0,0.3));
}
.banner-carousel {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    margin-bottom: 32px;
}
.banner-slides {
    display: flex;
    transition: transform 0.6s ease;
}
.banner-slide {
    min-width: 100%;
    padding: 60px 40px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    border-radius: var(--radius);
}
.banner-slide h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}
.banner-slide p {
    max-width: 600px;
    opacity: 0.9;
}
.banner-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}
.banner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: background var(--transition);
    border: none;
}
.banner-dot.active {
    background: var(--accent);
}
.about-intro {
    background: var(--bg);
}
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}
.about-text h2 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 20px;
}
.about-text p {
    margin-bottom: 16px;
    color: var(--text-light);
}
.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 32px;
}
.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--glass);
    border-radius: var(--radius-sm);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}
.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
}
.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 4px;
}
.brand-story {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}
.brand-story .section-title {
    color: white;
}
.brand-story .section-subtitle {
    color: rgba(255,255,255,0.7);
}
.story-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}
.story-card {
    padding: 32px;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.1);
    transition: all var(--transition);
}
.story-card:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-6px);
}
.story-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--accent);
}
.story-card p {
    opacity: 0.85;
}
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
}
.team-card {
    text-align: center;
    padding: 32px 20px;
}
.team-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    font-weight: 700;
}
.team-card h4 {
    font-size: 1.2rem;
    color: var(--primary);
}
.team-card .role {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
}
.team-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 8px;
}
.products {
    background: var(--bg);
}
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}
.product-card {
    padding: 32px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.product-card .icon {
    font-size: 3rem;
    margin-bottom: 16px;
}
.product-card h3 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 12px;
}
.product-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}
.advantages {
    background: var(--bg-card);
}
.adv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
}
.adv-item {
    padding: 28px;
    border-left: 4px solid var(--accent);
}
.adv-item h3 {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 8px;
}
.adv-item p {
    color: var(--text-light);
}
.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}
.case-card {
    padding: 0;
    overflow: hidden;
    border-radius: var(--radius);
}
.case-card .case-img {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}
.case-card .case-body {
    padding: 24px;
}
.case-card .case-body h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 8px;
}
.case-card .case-body p {
    color: var(--text-light);
    font-size: 0.9rem;
}
.partner-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    padding: 32px 0;
}
.partner-item {
    width: 120px;
    height: 60px;
    background: var(--glass);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--text-light);
    font-size: 0.9rem;
    border: 1px solid var(--glass-border);
    transition: all var(--transition);
}
.partner-item:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: scale(1.05);
}
.testimonials {
    background: var(--bg);
}
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}
.testimonial-card {
    padding: 32px;
    position: relative;
}
.testimonial-card::before {
    content: '"';
    font-size: 4rem;
    color: var(--accent);
    opacity: 0.2;
    position: absolute;
    top: 8px;
    left: 16px;
    font-family: serif;
}
.testimonial-card p {
    font-style: italic;
    color: var(--text-light);
    margin-bottom: 16px;
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}
.testimonial-author .avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-dark);
    font-weight: 700;
}
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}
.news-card {
    padding: 0;
    overflow: hidden;
}
.news-card .news-img {
    height: 180px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}
.news-card .news-body {
    padding: 24px;
}
.news-card .news-body .date {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-bottom: 8px;
}
.news-card .news-body h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 8px;
}
.news-card .news-body p {
    color: var(--text-light);
    font-size: 0.9rem;
}
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    border-bottom: 1px solid rgba(0,0,0,0.08);
    padding: 16px 0;
}
.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--primary);
    padding: 8px 0;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
}
.faq-question .arrow {
    transition: transform var(--transition);
    font-size: 1.2rem;
}
.faq-question.open .arrow {
    transform: rotate(180deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
    color: var(--text-light);
    padding: 0 16px;
}
.faq-answer.open {
    max-height: 300px;
    padding: 12px 16px 16px;
}
.howto-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    counter-reset: step;
}
.howto-step {
    text-align: center;
    padding: 32px 16px;
    position: relative;
}
.howto-step::before {
    counter-increment: step;
    content: counter(step);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    opacity: 0.3;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
}
.howto-step h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 8px;
}
.howto-step p {
    color: var(--text-light);
    font-size: 0.9rem;
}
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}
.contact-info p {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-light);
}
.contact-info .label {
    font-weight: 600;
    color: var(--primary);
    min-width: 80px;
}
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    background: var(--bg-card);
    color: var(--text);
    transition: border var(--transition);
    margin-bottom: 16px;
    font-family: var(--font);
}
.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
}
.contact-form textarea {
    min-height: 120px;
    resize: vertical;
}
footer {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.8);
    padding: 60px 0 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}
.footer-col h4 {
    color: white;
    margin-bottom: 16px;
    font-size: 1.1rem;
}
.footer-col ul {
    list-style: none;
}
.footer-col ul li {
    margin-bottom: 8px;
}
.footer-col ul li a {
    color: rgba(255,255,255,0.7);
}
.footer-col ul li a:hover {
    color: var(--accent);
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    text-align: center;
    font-size: 0.9rem;
}
.footer-bottom a {
    color: var(--accent);
}
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--primary-dark);
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: 999;
}
.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    background: var(--accent-light);
    transform: translateY(-4px);
}
.search-bar {
    display: flex;
    gap: 8px;
    max-width: 500px;
    margin: 0 auto 48px;
}
.search-bar input {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid var(--glass-border);
    border-radius: 50px;
    font-size: 1rem;
    background: var(--bg-card);
    color: var(--text);
}
.search-bar input:focus {
    outline: none;
    border-color: var(--accent);
}
.search-bar button {
    padding: 12px 24px;
    border-radius: 50px;
    background: var(--accent);
    border: none;
    font-weight: 600;
    cursor: pointer;
    color: var(--primary-dark);
}
.search-results {
    max-width: 600px;
    margin: 0 auto;
    display: none;
}
.search-results.show {
    display: block;
}
.search-result-item {
    padding: 12px 16px;
    border-bottom: 1px solid var(--glass-border);
    cursor: pointer;
    transition: background var(--transition);
}
.search-result-item:hover {
    background: rgba(240,192,64,0.1);
}
.breadcrumb {
    display: flex;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-light);
    padding: 16px 0;
    flex-wrap: wrap;
}
.breadcrumb a {
    color: var(--text-light);
}
.breadcrumb a:hover {
    color: var(--accent);
}
.breadcrumb span {
    color: var(--text);
}
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero p {
        margin: 0 auto 32px;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-image {
        order: -1;
    }
    .hero-image svg {
        max-width: 320px;
    }
    .about-content {
        grid-template-columns: 1fr;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .grid-2 {
        grid-template-columns: 1fr;
    }
    .grid-3 {
        grid-template-columns: 1fr 1fr;
    }
    .grid-4 {
        grid-template-columns: 1fr 1fr;
    }
}
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .hamburger {
        display: flex;
    }
    .hero h1 {
        font-size: 2.2rem;
    }
    .section-title {
        font-size: 1.8rem;
    }
    .grid-3 {
        grid-template-columns: 1fr;
    }
    .grid-4 {
        grid-template-columns: 1fr;
    }
    .about-stats {
        grid-template-columns: 1fr 1fr;
    }
    .stat-number {
        font-size: 2rem;
    }
    .section-padding {
        padding: 48px 0;
    }
    .partner-logos {
        gap: 20px;
    }
    .partner-item {
        width: 90px;
        height: 50px;
        font-size: 0.8rem;
    }
}
@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    .container {
        padding: 0 16px;
    }
    .about-stats {
        grid-template-columns: 1fr;
    }
}
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg);
}
::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}
:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}
.lazy-placeholder {
    background: linear-gradient(135deg, var(--glass-border), var(--glass));
    min-height: 100px;
    border-radius: var(--radius-sm);
}