/* ============================================
   北京赛车 - 赛道数据指挥中心
   F1 Racing Theme Stylesheet
   ============================================ */

/* --- Google Fonts (Local fallback) --- */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Montserrat:wght@300;400;500;600;700&display=swap');

/* --- CSS Variables --- */
:root {
    --color-primary: #1A1A1A;
    --color-secondary: #E10600;
    --color-white: #FFFFFF;
    --color-text: #C0C0C0;
    --color-link: #E10600;
    --color-dark: #0D0D0D;
    --color-card: #222222;
    --color-border: #333333;
    --font-heading: 'Orbitron', monospace, sans-serif;
    --font-body: 'Montserrat', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --shadow-glow: 0 0 20px rgba(225, 6, 0, 0.3);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.5);
}

/* --- Interference Tags (Hidden) --- */
.f1-interfere { display: none; }

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-dark);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-link);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: #FF3333;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-white);
    line-height: 1.3;
    letter-spacing: 1px;
}

h1 { font-size: 2.2rem; margin-bottom: 1rem; }
h2 { font-size: 1.8rem; margin-bottom: 0.8rem; }
h3 { font-size: 1.4rem; margin-bottom: 0.6rem; }
h4 { font-size: 1.1rem; margin-bottom: 0.5rem; }

p { margin-bottom: 1rem; }

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Utility Classes --- */
.text-red { color: var(--color-secondary); }
.text-white { color: var(--color-white); }
.text-center { text-align: center; }
.font-orbitron { font-family: var(--font-heading); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

/* --- Carbon Fiber Background --- */
.carbon-bg {
    background-image: url('../images/carbon-fiber-bg.webp');
    background-size: 256px;
    background-repeat: repeat;
}

/* --- Section Styling --- */
.section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-title h2 {
    font-size: 2rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    display: inline-block;
    position: relative;
}

.section-title h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--color-secondary);
    margin: 15px auto 0;
}

.section-title p {
    color: var(--color-text);
    margin-top: 15px;
    font-size: 0.95rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.bjsc-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-normal);
}

.bjsc-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    height: 70px;
    max-width: 1440px;
    margin: 0 auto;
}

.bjsc-nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.bjsc-nav-logo img {
    height: 45px;
    width: auto;
}

.bjsc-nav-logo span {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--color-white);
    font-weight: 700;
    letter-spacing: 2px;
}

.bjsc-nav-menu {
    display: flex;
    list-style: none;
    gap: 5px;
}

.bjsc-nav-menu > li {
    position: relative;
}

.bjsc-nav-menu > li > a {
    display: block;
    padding: 10px 18px;
    color: var(--color-text);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: all var(--transition-fast);
    border-radius: 4px;
}

.bjsc-nav-menu > li > a:hover,
.bjsc-nav-menu > li > a.active {
    color: var(--color-white);
    background: rgba(225, 6, 0, 0.15);
}

.bjsc-nav-menu > li > a.active {
    border-bottom: 2px solid var(--color-secondary);
}

/* Dropdown */
.bjsc-nav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(26, 26, 26, 0.98);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    min-width: 220px;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-card);
    list-style: none;
}

.bjsc-nav-menu > li:hover .bjsc-nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.bjsc-nav-dropdown li a {
    display: block;
    padding: 10px 20px;
    color: var(--color-text);
    font-size: 0.85rem;
    transition: all var(--transition-fast);
}

.bjsc-nav-dropdown li a:hover {
    color: var(--color-white);
    background: rgba(225, 6, 0, 0.1);
    padding-left: 25px;
}

/* APP Download Button */
.bjsc-nav-app {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--color-secondary);
    color: var(--color-white) !important;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.bjsc-nav-app:hover {
    background: #FF3333;
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

/* Hamburger Menu */
.bjsc-nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.bjsc-nav-hamburger span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-fast);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    height: 85vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 70px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/hero-banner.webp');
    background-size: cover;
    background-position: center;
    filter: brightness(0.5);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(13, 13, 13, 0.3) 0%,
        rgba(13, 13, 13, 0.6) 50%,
        rgba(13, 13, 13, 0.95) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
    max-width: 900px;
}

.hero-slogan {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 5px;
    margin-bottom: 20px;
    text-shadow: 0 0 30px rgba(225, 6, 0, 0.5);
}

.hero-slogan .highlight {
    color: var(--color-secondary);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text);
    margin-bottom: 30px;
    letter-spacing: 1px;
}

.hero-numbers {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.hero-number-ball {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-white);
    animation: pulse-glow 2s ease-in-out infinite;
}

.hero-number-ball:nth-child(odd) {
    background: var(--color-secondary);
}

.hero-number-ball:nth-child(even) {
    background: #333;
    border: 2px solid var(--color-secondary);
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 10px rgba(225, 6, 0, 0.3); }
    50% { box-shadow: 0 0 25px rgba(225, 6, 0, 0.6); }
}

.hero-period {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--color-secondary);
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.hero-cta {
    display: inline-block;
    padding: 14px 40px;
    background: var(--color-secondary);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    border-radius: 30px;
    transition: all var(--transition-normal);
    border: 2px solid var(--color-secondary);
}

.hero-cta:hover {
    background: transparent;
    color: var(--color-secondary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

/* Speed lines animation */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-secondary), transparent);
    animation: speed-line 3s linear infinite;
    z-index: 1;
}

@keyframes speed-line {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(50%); }
}

/* ============================================
   DATA MATRIX
   ============================================ */
.data-matrix {
    background: var(--color-primary);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.data-matrix-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.data-matrix-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 25px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.data-matrix-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-secondary), transparent);
}

.data-matrix-card:hover {
    border-color: var(--color-secondary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.data-matrix-card-title {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.data-matrix-numbers {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.data-matrix-ball {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-white);
    background: var(--color-secondary);
}

.data-matrix-ball.cold {
    background: #1a3a5c;
}

.data-matrix-countdown {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--color-text);
}

.data-matrix-countdown .timer {
    font-size: 1.4rem;
    color: var(--color-white);
    letter-spacing: 3px;
}

.data-matrix-period {
    font-size: 0.8rem;
    color: #888;
    margin-top: 8px;
}

/* ============================================
   CHART GATEWAY (Cards)
   ============================================ */
.chart-gateway {
    background: var(--color-dark);
}

.chart-gateway-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.chart-gateway-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 35px 25px;
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.chart-gateway-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-secondary);
    box-shadow: 0 10px 40px rgba(225, 6, 0, 0.2);
}

.chart-gateway-card-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    display: block;
}

.chart-gateway-card h3 {
    font-size: 1rem;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.chart-gateway-card p {
    font-size: 0.85rem;
    color: #999;
    line-height: 1.6;
}

.chart-gateway-card .card-arrow {
    display: inline-block;
    margin-top: 15px;
    color: var(--color-secondary);
    font-size: 1.2rem;
    transition: transform var(--transition-fast);
}

.chart-gateway-card:hover .card-arrow {
    transform: translateX(5px);
}

/* ============================================
   HOT NEWS TICKER
   ============================================ */
.hot-news {
    background: var(--color-primary);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.hot-news-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
}

.hot-news-item {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: var(--color-card);
    border-radius: 10px;
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.hot-news-item:hover {
    border-color: var(--color-secondary);
    transform: translateX(5px);
}

.hot-news-item .news-date {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    color: var(--color-secondary);
    white-space: nowrap;
    min-width: 80px;
}

.hot-news-item .news-title {
    font-size: 0.95rem;
    color: var(--color-white);
    margin-bottom: 5px;
    font-weight: 500;
}

.hot-news-item .news-excerpt {
    font-size: 0.82rem;
    color: #888;
    line-height: 1.5;
}

/* ============================================
   ANALYSIS TOOLS
   ============================================ */
.analysis-tools {
    background: var(--color-dark);
    position: relative;
}

.analysis-tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.analysis-tool-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: all var(--transition-normal);
}

.analysis-tool-card:hover {
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-glow);
}

.analysis-tool-card .tool-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    display: block;
}

.analysis-tool-card h3 {
    font-size: 1rem;
    margin-bottom: 10px;
}

.analysis-tool-card p {
    font-size: 0.85rem;
    color: #999;
}

/* ============================================
   BRAND STRENGTH
   ============================================ */
.brand-strength {
    background: var(--color-primary);
    position: relative;
    overflow: hidden;
}

.brand-strength-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.brand-strength-item {
    text-align: center;
    padding: 30px 20px;
}

.brand-strength-item .strength-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-secondary);
    margin-bottom: 10px;
}

.brand-strength-item h4 {
    font-size: 0.95rem;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.brand-strength-item p {
    font-size: 0.82rem;
    color: #999;
}

.idsda-badge {
    display: inline-block;
    padding: 12px 30px;
    border: 2px solid var(--color-secondary);
    border-radius: 8px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--color-secondary);
    letter-spacing: 2px;
    margin-top: 30px;
    text-transform: uppercase;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials {
    background: var(--color-dark);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.testimonial-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 30px;
    position: relative;
}

.testimonial-card::before {
    content: '\201C';
    font-size: 4rem;
    color: var(--color-secondary);
    opacity: 0.3;
    position: absolute;
    top: 10px;
    left: 20px;
    font-family: serif;
}

.testimonial-card .quote {
    font-size: 0.9rem;
    font-style: italic;
    color: var(--color-text);
    margin-bottom: 20px;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

.testimonial-card .author {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--color-secondary);
    letter-spacing: 1px;
}

.testimonial-card .author-title {
    font-size: 0.75rem;
    color: #888;
    margin-top: 3px;
}

/* ============================================
   PARTNERS
   ============================================ */
.partners {
    background: var(--color-primary);
    border-top: 1px solid var(--color-border);
}

.partners-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
}

.partner-logo {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: #666;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 15px 25px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: all var(--transition-normal);
}

.partner-logo:hover {
    color: var(--color-white);
    border-color: var(--color-secondary);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-dark);
    border-top: 1px solid var(--color-border);
    padding: 60px 0 0;
}

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

.footer-col h4 {
    font-size: 0.9rem;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--color-secondary);
}

.footer-col ul {
    list-style: none;
}

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

.footer-col ul li a {
    color: #888;
    font-size: 0.85rem;
    transition: all var(--transition-fast);
}

.footer-col ul li a:hover {
    color: var(--color-secondary);
    padding-left: 5px;
}

.footer-col .contact-info {
    font-size: 0.85rem;
    color: #888;
    line-height: 2;
}

.footer-col .contact-info a {
    color: var(--color-secondary);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding: 25px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: #666;
    margin-bottom: 8px;
}

.footer-bottom a {
    color: #888;
    font-size: 0.8rem;
}

.footer-bottom a:hover {
    color: var(--color-secondary);
}

.footer-bottom .beian {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.footer-bottom .beian img {
    display: inline-block;
    vertical-align: middle;
    width: 16px;
    height: 16px;
}

.footer-idsda {
    font-family: var(--font-heading);
    font-size: 0.7rem;
    color: var(--color-secondary);
    letter-spacing: 2px;
    margin-top: 10px;
    text-transform: uppercase;
}

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb {
    padding: 15px 0;
    margin-top: 70px;
    background: var(--color-primary);
    border-bottom: 1px solid var(--color-border);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    font-size: 0.85rem;
}

.breadcrumb-list li a {
    color: #888;
}

.breadcrumb-list li a:hover {
    color: var(--color-secondary);
}

.breadcrumb-list li.active {
    color: var(--color-text);
}

.breadcrumb-list li + li::before {
    content: '>';
    margin-right: 8px;
    color: #555;
}

/* ============================================
   INNER PAGE LAYOUT
   ============================================ */
.page-header {
    padding: 60px 0 40px;
    text-align: center;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-dark) 100%);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/carbon-fiber-bg.webp');
    background-size: 256px;
    opacity: 0.1;
}

.page-header h1 {
    position: relative;
    z-index: 1;
    font-size: 2rem;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.page-header p {
    position: relative;
    z-index: 1;
    color: var(--color-text);
    margin-top: 15px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-content {
    padding: 50px 0;
}

.page-content-inner {
    max-width: 1000px;
    margin: 0 auto;
}

/* Content cards for inner pages */
.content-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 25px;
}

.content-card h3 {
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border);
}

/* Related articles */
.related-articles {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid var(--color-border);
}

.related-articles h3 {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.related-articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.related-article-item {
    padding: 15px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.related-article-item:hover {
    border-color: var(--color-secondary);
}

.related-article-item a {
    color: var(--color-text);
    font-size: 0.9rem;
}

.related-article-item a:hover {
    color: var(--color-white);
}

/* ============================================
   DATA PAGE SPECIFIC
   ============================================ */
.filter-bar {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.filter-group label {
    font-size: 0.8rem;
    color: #888;
    font-family: var(--font-heading);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.filter-group select,
.filter-group input {
    background: var(--color-primary);
    border: 1px solid var(--color-border);
    color: var(--color-white);
    padding: 10px 15px;
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

.filter-group select:focus,
.filter-group input:focus {
    border-color: var(--color-secondary);
}

.btn-filter {
    padding: 10px 25px;
    background: var(--color-secondary);
    color: var(--color-white);
    border: none;
    border-radius: 6px;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-filter:hover {
    background: #FF3333;
    box-shadow: var(--shadow-glow);
}

.chart-container {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
    min-height: 400px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.data-table th {
    background: var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 12px 15px;
    text-align: center;
    border: 1px solid var(--color-border);
}

.data-table td {
    padding: 10px 15px;
    text-align: center;
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

.data-table tr:nth-child(even) {
    background: rgba(34, 34, 34, 0.5);
}

.data-table tr:hover {
    background: rgba(225, 6, 0, 0.05);
}

.data-table .hot {
    color: var(--color-secondary);
    font-weight: 700;
}

.data-table .cold {
    color: #4A90D9;
    font-weight: 700;
}

.btn-export {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: transparent;
    border: 1px solid var(--color-secondary);
    color: var(--color-secondary);
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-top: 15px;
}

.btn-export:hover {
    background: var(--color-secondary);
    color: var(--color-white);
}

/* ============================================
   APP DOWNLOAD PAGE
   ============================================ */
.app-hero {
    text-align: center;
    padding: 80px 0 60px;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-dark) 100%);
}

.app-hero img {
    max-width: 300px;
    margin: 0 auto 30px;
    border-radius: 20px;
}

.app-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.app-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 30px;
    border: 2px solid var(--color-secondary);
    border-radius: 10px;
    color: var(--color-white);
    font-size: 0.9rem;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.app-btn:hover {
    background: var(--color-secondary);
    box-shadow: var(--shadow-glow);
}

.app-btn.active {
    background: var(--color-secondary);
}

.app-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 50px;
}

.app-feature-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: all var(--transition-normal);
}

.app-feature-card:hover {
    border-color: var(--color-secondary);
    transform: translateY(-5px);
}

.app-feature-card .feature-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    display: block;
}

/* ============================================
   LIVE DRAW PAGE
   ============================================ */
.live-draw-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.live-draw-main {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 30px;
}

.live-draw-main .countdown {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--color-secondary);
    text-align: center;
    letter-spacing: 5px;
    margin: 20px 0;
}

.live-draw-history {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 30px;
    max-height: 600px;
    overflow-y: auto;
}

.live-draw-history::-webkit-scrollbar {
    width: 6px;
}

.live-draw-history::-webkit-scrollbar-track {
    background: var(--color-primary);
}

.live-draw-history::-webkit-scrollbar-thumb {
    background: var(--color-secondary);
    border-radius: 3px;
}

/* ============================================
   STRATEGY / ARTICLE PAGE
   ============================================ */
.article-content {
    line-height: 1.9;
    font-size: 0.95rem;
}

.article-content h2 {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.article-content p {
    margin-bottom: 15px;
}

.article-content img {
    border-radius: 10px;
    margin: 20px 0;
}

.article-list {
    display: grid;
    gap: 20px;
}

.article-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    transition: all var(--transition-normal);
}

.article-item:hover {
    border-color: var(--color-secondary);
    transform: translateX(5px);
}

.article-item-img {
    width: 200px;
    min-height: 130px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

.article-item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-item-content h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.article-item-content h3 a {
    color: var(--color-white);
}

.article-item-content h3 a:hover {
    color: var(--color-secondary);
}

.article-item-content p {
    font-size: 0.85rem;
    color: #999;
}

.article-item-content .meta {
    font-size: 0.75rem;
    color: #666;
    margin-top: 8px;
    font-family: var(--font-heading);
    letter-spacing: 1px;
}

/* ============================================
   ABOUT PAGE
   ============================================ */
.about-hero {
    position: relative;
    padding: 80px 0;
    overflow: hidden;
}

.about-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/about-team.webp');
    background-size: cover;
    background-position: center;
    filter: brightness(0.3);
}

.about-content {
    position: relative;
    z-index: 1;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

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

.about-stat .stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-secondary);
}

.about-stat .stat-label {
    font-size: 0.85rem;
    color: var(--color-text);
    margin-top: 5px;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* 1024px - Laptop */
@media (max-width: 1024px) {
    .chart-gateway-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .brand-strength-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .live-draw-container {
        grid-template-columns: 1fr;
    }
}

/* 768px - Tablet */
@media (max-width: 768px) {
    html { font-size: 15px; }

    .bjsc-nav-menu {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(13, 13, 13, 0.98);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        border-top: 1px solid var(--color-border);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .bjsc-nav-menu.open {
        display: flex;
    }

    .bjsc-nav-menu > li > a {
        padding: 15px;
        border-bottom: 1px solid var(--color-border);
    }

    .bjsc-nav-dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        border: none;
        background: rgba(34, 34, 34, 0.5);
        border-radius: 0;
        margin: 0;
        padding: 0;
    }

    .bjsc-nav-hamburger {
        display: flex;
    }

    .hero {
        height: 70vh;
        min-height: 400px;
    }

    .hero-slogan {
        font-size: 1.8rem;
        letter-spacing: 2px;
    }

    .hero-number-ball {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .chart-gateway-grid {
        grid-template-columns: 1fr;
    }

    .analysis-tools-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .filter-bar {
        flex-direction: column;
    }

    .data-matrix-grid {
        grid-template-columns: 1fr;
    }

    .article-item {
        flex-direction: column;
    }

    .article-item-img {
        width: 100%;
        min-height: 180px;
    }

    .section {
        padding: 40px 0;
    }
}

/* 360px - Small Phone */
@media (max-width: 400px) {
    html { font-size: 14px; }

    .bjsc-nav-inner {
        padding: 0 15px;
    }

    .bjsc-nav-logo span {
        font-size: 0.9rem;
    }

    .hero {
        height: 60vh;
    }

    .hero-slogan {
        font-size: 1.4rem;
    }

    .hero-numbers {
        gap: 5px;
    }

    .hero-number-ball {
        width: 35px;
        height: 35px;
        font-size: 0.85rem;
    }

    .brand-strength-grid {
        grid-template-columns: 1fr;
    }

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

    .container {
        padding: 0 15px;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-slideInLeft {
    animation: slideInLeft 0.6s ease forwards;
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Number counter animation */
@keyframes countUp {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Gauge animation */
@keyframes gauge-fill {
    from { stroke-dashoffset: 283; }
}

/* Racing stripe decoration */
.racing-stripe {
    height: 4px;
    background: linear-gradient(90deg, 
        var(--color-secondary) 0%, 
        var(--color-secondary) 30%, 
        transparent 30%, 
        transparent 35%, 
        var(--color-secondary) 35%, 
        var(--color-secondary) 65%, 
        transparent 65%, 
        transparent 70%, 
        var(--color-secondary) 70%, 
        var(--color-secondary) 100%
    );
    margin: 0;
}

/* Ad placeholder */
.ad-placeholder {
    background: var(--color-card);
    border: 1px dashed var(--color-border);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    color: #555;
    font-size: 0.8rem;
    margin: 20px 0;
}