* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif !important;
}

:root {
    --carbon: #0a0a0a;
    --gun: #2d2d2d;
    --red: #ef4444;
    --text: #e5e5e5;
    --text-dim: #a3a3a3;
    --card: linear-gradient(145deg, #181818, #262626);
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--carbon);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(45deg, rgba(255, 255, 255, 0.015) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255, 255, 255, 0.015) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.015) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.015) 75%);
    background-size: 10px 10px;
    background-position: 0 0, 0 5px, 5px -5px, -5px 0;
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* Header */
.site-header {
    background: linear-gradient(180deg, #0a0a0a 0%, #151515 100%);
    border-bottom: 2px solid var(--red);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

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

.nav-links a {
    color: var(--text);
    text-decoration: none;
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--red);
    background: rgba(239, 68, 68, 0.08);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--red);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 60%;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #0a0a0a 0%, #1c1c1c 50%, #2d2d2d 100%);
    padding: 80px 0 60px;
    border-bottom: 1px solid rgba(239, 68, 68, 0.3);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(239, 68, 68, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.hero-content {
    flex: 1;
}

.hero-visual {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

.hero-visual img {
    max-width: 100%;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.hero-visual .primary-img {
    width: 100%;
    max-width: 460px;
    height: auto;
}

.hero-visual .secondary-img {
    width: calc(50% - 8px);
    max-width: 220px;
    height: auto;
}

.geo-intro h1 {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 24px;
    background: linear-gradient(90deg, #fafafa, #a1a1aa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.geo-intro h1 span {
    background: linear-gradient(90deg, #ef4444, #f97316);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.geo-text {
    font-size: 16px;
    color: var(--text-dim);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-red {
    display: inline-block;
    background: var(--red);
    color: #fff !important;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
    clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
    transition: all 0.3s ease;
}

.btn-red:hover {
    background: #dc2626;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(239, 68, 68, 0.4);
}

.btn-ghost {
    display: inline-block;
    background: transparent;
    color: var(--text) !important;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.btn-ghost:hover {
    border-color: var(--red);
    color: var(--red) !important;
    background: rgba(239, 68, 68, 0.05);
}

/* Section styles */
.section {
    padding: 60px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 8px;
    color: #fff;
    letter-spacing: -0.5px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-dim);
    font-size: 15px;
    margin-bottom: 40px;
}

/* Stats */
.stats-section {
    background: linear-gradient(180deg, #0d0d0d, #141414);
}

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

.stat-card {
    background: var(--card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
    padding: 32px 20px;
    text-align: center;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
}

.stat-card img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    margin-bottom: 12px;
    opacity: 0.8;
}

.stat-value {
    font-size: 36px;
    font-weight: 800;
    color: var(--red);
    margin-bottom: 4px;
}

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

/* Advantages */
.advantages-section {
    background: linear-gradient(180deg, #111, #0a0a0a);
}

.adv-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.adv-card {
    background: var(--card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
    padding: 28px 20px;
    transition: transform 0.3s ease;
    text-align: center;
}

.adv-card:hover {
    transform: translateY(-6px);
    border-color: rgba(239, 68, 68, 0.3);
}

.adv-card img {
    width: 56px;
    height: 56px;
    object-fit: contain;
    margin-bottom: 16px;
}

.adv-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #fff;
}

.adv-card p {
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.5;
}

/* Brand story */
.brand-story-section {
    background: linear-gradient(135deg, #0a0a0a, #1a1a1a);
}

.brand-story-container {
    display: flex;
    align-items: center;
    gap: 48px;
}

.brand-story-image {
    flex: 0 0 400px;
}

.brand-story-image img {
    width: 100%;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.brand-story-content {
    flex: 1;
}

.brand-story-content h2 {
    font-size: 30px;
    margin-bottom: 20px;
    color: #fff;
}

.brand-story-content p {
    color: var(--text-dim);
    margin-bottom: 16px;
}

/* Timeline */
.timeline-section {
    background: linear-gradient(180deg, #141414, #111);
}

.timeline-list {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline-list::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--red), transparent);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 32px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 8px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--red);
    border: 2px solid #fff;
}

.timeline-item h3 {
    font-size: 18px;
    color: #fff;
    margin-bottom: 4px;
}

.timeline-item p {
    color: var(--text-dim);
    font-size: 14px;
}

/* Coverage */
.coverage-section {
    background: linear-gradient(180deg, #0a0a0a, #151515);
}

.coverage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.coverage-card {
    background: var(--card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
    padding: 24px 16px;
    text-align: center;
}

.coverage-card img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    margin-bottom: 12px;
}

.coverage-card h3 {
    font-size: 16px;
    color: #fff;
}

.coverage-card p {
    font-size: 13px;
    color: var(--text-dim);
}

/* Partners */
.partners-section {
    background: linear-gradient(180deg, #151515, #0d0d0d);
}

.partners-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    align-items: center;
}

.partner-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.partner-item:hover {
    border-color: rgba(239, 68, 68, 0.3);
    transform: translateY(-4px);
}

.partner-item img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.partner-item span {
    font-size: 14px;
    color: var(--text-dim);
}

/* News */
.news-section {
    background: linear-gradient(180deg, #0a0a0a, #121212);
}

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

.news-card {
    background: var(--card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
    padding: 28px;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-4px);
    border-color: rgba(239, 68, 68, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.news-tag {
    background: rgba(239, 68, 68, 0.15);
    color: var(--red);
    padding: 4px 12px;
    font-size: 12px;
    border-radius: 4px;
    font-weight: 600;
}

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

.news-card h3 {
    font-size: 18px;
    color: #fff;
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-card h3 a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

.news-card h3 a:hover {
    color: var(--red);
}

.news-card p {
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.7;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.read-more {
    display: inline-block;
    margin-top: 14px;
    color: var(--red);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.read-more:hover {
    gap: 8px;
    padding-left: 8px;
}

/* FAQ */
.faq-section {
    background: linear-gradient(180deg, #121212, #0a0a0a);
}

.faq-list {
    max-width: 860px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: 16px;
    clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(239, 68, 68, 0.2);
}

.faq-question {
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
    font-family: inherit;
}

.faq-question::after {
    content: '+';
    font-size: 22px;
    color: var(--red);
    transition: transform 0.3s ease;
}

.faq-question.open::after {
    content: '−';
}

.faq-answer {
    padding: 0 24px 20px;
    color: var(--text-dim);
    font-size: 15px;
    line-height: 1.8;
    display: none;
}

.faq-answer.open {
    display: block;
}

/* Footer */
.site-footer {
    background: linear-gradient(180deg, #0d0d0d, #000);
    border-top: 2px solid var(--red);
    padding: 60px 0 30px;
    position: relative;
}

.footer-banner {
    text-align: center;
    padding: 30px;
    margin-bottom: 30px;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.05), rgba(239, 68, 68, 0.1));
    border: 1px solid rgba(239, 68, 68, 0.15);
    clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.footer-banner h2 {
    font-size: 32px;
    color: #fff;
    margin-bottom: 8px;
}

.footer-banner p {
    color: var(--text-dim);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    text-align: center;
}

.footer-brand h3 {
    font-size: 24px;
    color: #fff;
    margin-bottom: 8px;
}

.footer-contact p,
.footer-links p {
    color: var(--text-dim);
    font-size: 14px;
    margin-bottom: 8px;
    line-height: 1.8;
}

.footer-links a {
    color: var(--text-dim);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--red);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 20px;
    text-align: center;
    color: var(--text-dim);
    font-size: 14px;
}

.footer-bottom p {
    margin: 4px 0;
}

/* Responsive */
@media (max-width: 1024px) {
    .nav-links {
        gap: 4px;
    }
    .nav-links a {
        padding: 8px 12px;
        font-size: 14px;
    }
    .hero-container {
        flex-direction: column;
    }
    .hero-visual {
        justify-content: center;
    }
    .stats-grid,
    .adv-grid,
    .coverage-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .news-grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 600px) {
    .nav-links {
        justify-content: center;
    }
    .nav-links a {
        font-size: 13px;
        padding: 6px 8px;
    }
    .geo-intro h1 {
        font-size: 32px;
    }
    .stats-grid,
    .adv-grid,
    .coverage-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
}