* {
    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;
}

body {
    background: linear-gradient(135deg, #7f1d1d 0%, #1a0a0a 100%);
    color: #e5e5e5;
    min-height: 100vh;
    line-height: 1.7;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    background: rgba(10, 0, 0, 0.95);
    border-bottom: 2px solid #ef4444;
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.nav-links a {
    color: #e5e5e5;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 6px;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.nav-links a:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
    box-shadow: 0 0 12px rgba(239, 68, 68, 0.3);
}

.nav-links a:first-child {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.3), rgba(127, 29, 29, 0.3));
    border: 1px solid rgba(239, 68, 68, 0.5);
    color: #fca5a5;
}

.nav-links a:first-child:hover {
    background: rgba(239, 68, 68, 0.5);
    color: #fff;
}

/* 区块通用 */
.section {
    padding: 70px 0;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
    color: #f87171;
}

.section-title::after {
    content: "";
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #ef4444, transparent);
    border-radius: 3px;
}

.section-desc {
    color: rgba(229, 229, 229, 0.8);
    margin-bottom: 40px;
    font-size: 16px;
    max-width: 800px;
}

/* H1 + GEO */
.geo-section {
    padding: 60px 0 40px;
    text-align: center;
}

.geo-section h1 {
    font-size: 36px;
    font-weight: 800;
    color: #fca5a5;
    line-height: 1.4;
    margin-bottom: 24px;
    text-shadow: 0 0 20px rgba(239, 68, 68, 0.3);
}

.geo-section p {
    max-width: 900px;
    margin: 0 auto;
    color: rgba(229, 229, 229, 0.85);
    font-size: 16px;
    line-height: 1.9;
}

/* 英雄区 */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(127, 29, 29, 0.7), rgba(26, 10, 10, 0.9));
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.hero-content {
    flex: 1;
    min-width: 300px;
}

.hero-content h2 {
    font-size: 38px;
    font-weight: 800;
    color: #fca5a5;
    margin-bottom: 16px;
    line-height: 1.3;
}

.hero-content p {
    color: rgba(229, 229, 229, 0.85);
    font-size: 17px;
    margin-bottom: 24px;
    max-width: 480px;
}

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

.hero-btns a {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
}

.hero-btns .btn-primary {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.4);
}

.hero-btns .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(239, 68, 68, 0.6);
}

.hero-btns .btn-outline {
    background: transparent;
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.5);
}

.hero-btns .btn-outline:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: #ef4444;
}

.hero-image {
    flex: 1;
    min-width: 280px;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    border-radius: 16px;
    border: 2px solid rgba(239, 68, 68, 0.3);
    box-shadow: 0 0 40px rgba(239, 68, 68, 0.2);
}

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

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.stat-card {
    background: rgba(26, 10, 10, 0.6);
    border: 1px solid rgba(239, 68, 68, 0.25);
    border-radius: 14px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.08);
    transition: all 0.3s ease;
}

.stat-card:hover {
    border-color: rgba(239, 68, 68, 0.6);
    box-shadow: 0 0 30px rgba(239, 68, 68, 0.15);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 42px;
    font-weight: 800;
    color: #ef4444;
    margin-bottom: 8px;
    line-height: 1;
}

.stat-label {
    font-size: 14px;
    color: rgba(229, 229, 229, 0.7);
    letter-spacing: 1px;
}

/* 核心优势 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

@media (max-width: 900px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }
}

.adv-card {
    background: rgba(26, 10, 10, 0.5);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 16px;
    padding: 28px 24px;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.3);
}

.adv-card:hover {
    border-color: rgba(239, 68, 68, 0.6);
    box-shadow: 0 0 25px rgba(239, 68, 68, 0.15);
    transform: translateY(-4px);
}

.adv-icon {
    font-size: 36px;
    margin-bottom: 14px;
}

.adv-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #fca5a5;
    margin-bottom: 10px;
}

.adv-card p {
    font-size: 14px;
    color: rgba(229, 229, 229, 0.75);
    line-height: 1.7;
}

/* 品牌故事 */
.story-wrap {
    display: flex;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.story-wrap img {
    flex: 1;
    min-width: 280px;
    max-width: 400px;
    border-radius: 16px;
    border: 2px solid rgba(239, 68, 68, 0.3);
    box-shadow: 0 0 30px rgba(239, 68, 68, 0.15);
}

.story-content {
    flex: 2;
    min-width: 300px;
}

.story-content p {
    color: rgba(229, 229, 229, 0.8);
    font-size: 15px;
    line-height: 1.9;
    margin-bottom: 16px;
}

/* 新闻 */
.news-list-wrap {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.news-tag {
    display: inline-block;
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #fca5a5;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.news-tag:hover {
    background: rgba(239, 68, 68, 0.3);
    color: #fff;
}

.news-item {
    background: rgba(26, 10, 10, 0.5);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 14px;
    padding: 24px 28px;
    transition: all 0.3s ease;
}

.news-item:hover {
    border-color: rgba(239, 68, 68, 0.5);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.1);
}

.news-item h3 {
    font-size: 19px;
    font-weight: 700;
    color: #fca5a5;
    margin-bottom: 8px;
}

.news-meta {
    font-size: 13px;
    color: rgba(229, 229, 229, 0.6);
    margin-bottom: 10px;
}

.news-item p {
    font-size: 14px;
    color: rgba(229, 229, 229, 0.75);
    line-height: 1.8;
}

/* FAQ */
.faq-list {
    max-width: 850px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(26, 10, 10, 0.5);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(239, 68, 68, 0.4);
}

.faq-question {
    padding: 20px 24px;
    cursor: pointer;
    font-size: 17px;
    font-weight: 600;
    color: #fca5a5;
    display: flex;
    align-items: center;
    gap: 12px;
    user-select: none;
}

.faq-question::before {
    content: "❓";
    font-size: 18px;
}

.faq-answer {
    padding: 0 24px 20px 54px;
    font-size: 14px;
    color: rgba(229, 229, 229, 0.8);
    line-height: 1.8;
}

/* 合作伙伴 */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

@media (max-width: 768px) {
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.partner-card {
    background: rgba(26, 10, 10, 0.4);
    border: 1px solid rgba(239, 68, 68, 0.15);
    border-radius: 14px;
    padding: 24px 16px;
    transition: all 0.3s ease;
}

.partner-card:hover {
    border-color: rgba(239, 68, 68, 0.5);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.1);
    transform: translateY(-3px);
}

.partner-card img {
    max-width: 80px;
    max-height: 50px;
    border-radius: 8px;
    margin-bottom: 10px;
}

.partner-card span {
    display: block;
    font-size: 14px;
    color: rgba(229, 229, 229, 0.7);
    font-weight: 600;
    margin-top: 8px;
}

/* CTA */
.cta-section {
    background: linear-gradient(135deg, rgba(127, 29, 29, 0.8), rgba(26, 10, 10, 0.9));
    padding: 80px 0;
    text-align: center;
    border-top: 1px solid rgba(239, 68, 68, 0.2);
    border-bottom: 1px solid rgba(239, 68, 68, 0.2);
}

.cta-section h2 {
    font-size: 34px;
    font-weight: 800;
    color: #fca5a5;
    margin-bottom: 16px;
}

.cta-section p {
    color: rgba(229, 229, 229, 0.8);
    font-size: 17px;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.cta-btns a {
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
}

.cta-btn-solid {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: #fff;
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.4);
}

.cta-btn-solid:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(239, 68, 68, 0.5);
}

.cta-btn-ghost {
    background: transparent;
    border: 1px solid rgba(239, 68, 68, 0.5);
    color: #fca5a5;
}

.cta-btn-ghost:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: #ef4444;
}

/* 页脚 */
.footer {
    background: rgba(5, 0, 0, 0.95);
    padding: 40px 0 20px;
    border-top: 2px solid rgba(239, 68, 68, 0.3);
}

.footer-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-col {
    flex: 1;
    min-width: 200px;
}

.footer-col h4 {
    color: #f87171;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
}

.footer-col p, .footer-col a {
    color: rgba(229, 229, 229, 0.7);
    font-size: 14px;
    line-height: 1.8;
    text-decoration: none;
    display: block;
}

.footer-col a:hover {
    color: #fca5a5;
}

.footer-bottom {
    border-top: 1px solid rgba(239, 68, 68, 0.15);
    padding-top: 20px;
    text-align: center;
    color: rgba(229, 229, 229, 0.5);
    font-size: 13px;
}

.footer-bottom a {
    color: rgba(229, 229, 229, 0.6);
    text-decoration: none;
    margin: 0 8px;
}

.footer-bottom a:hover {
    color: #fca5a5;
}

/* 响应式 */
@media (max-width: 600px) {
    .section {
        padding: 40px 0;
    }
    .section-title {
        font-size: 26px;
    }
    .geo-section h1 {
        font-size: 26px;
    }
    .hero-content h2 {
        font-size: 28px;
    }
    .nav-links {
        gap: 10px;
    }
    .nav-links a {
        font-size: 14px;
        padding: 5px 8px;
    }
}