* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
:root {
    --primary-red: #900000;
    --primary-red-hover: #700000;
    --bg-white: #ffffff;
    --bg-gray: #f9f9f9;
    --text-dark: #222222;
    --text-body: #555555;
    --text-light: #999999;
    --border-color: #eaeaea;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
    --radius-sm: 6px;
    --radius-md: 8px;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background-color: var(--bg-white);
    color: var(--text-body);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
    color: var(--text-dark);
    font-weight: 600;
    line-height: 1.3;
}
a {
    text-decoration: none;
    color: inherit;
}
.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}
section {
    padding: 80px 0;
}
.section-title {
    font-size: 2rem;
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}
.section-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 40px;
    height: 3px;
    background: var(--primary-red);
}
.section-desc {
    color: var(--text-body);
    font-size: 1.05rem;
    max-width: 720px;
    margin-bottom: 48px;
    margin-top: 20px;
}
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-red);
}
.logo img {
    height: 32px;
    width: auto;
}
.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}
.nav-links a {
    font-size: 0.95rem;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.2s;
}
.nav-links a:hover {
    color: var(--primary-red);
}
.hero {
    padding: 80px 0;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}
.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
.hero h1 {
    font-size: 3.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}
.hero h1 span {
    color: var(--primary-red);
}
.hero p.tagline {
    font-size: 1.15rem;
    color: var(--text-body);
    margin-bottom: 32px;
    padding-left: 16px;
    border-left: 4px solid var(--primary-red);
}
.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    cursor: pointer;
    border: 1px solid transparent;
}
.btn-primary {
    background: var(--primary-red);
    color: #fff;
}
.btn-primary:hover {
    background: var(--primary-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(144, 0, 0, 0.2);
}
.btn-outline {
    background: transparent;
    color: var(--text-dark);
    border-color: var(--border-color);
}
.btn-outline:hover {
    border-color: var(--primary-red);
    color: var(--primary-red);
}
.hero-img {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
}
.hero-img img {
    display: block;
    width: 100%;
    height: auto;
}
.core-features {
    background: var(--bg-gray);
    border-bottom: 1px solid var(--border-color);
}
.core-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.core-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: transform 0.25s, box-shadow 0.25s;
}
.core-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.core-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--primary-red);
}
.core-card p {
    font-size: 0.95rem;
    color: var(--text-body);
    line-height: 1.7;
}
.guide-section {
    background: var(--bg-white);
}
.guide-intro {
    font-size: 1.05rem;
    color: var(--text-body);
    margin-bottom: 40px;
    background: #fff5f5;
    padding: 20px 24px;
    border-left: 4px solid var(--primary-red);
    border-radius: 4px;
}
.guide-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}
.guide-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s, box-shadow 0.25s;
    display: flex;
    flex-direction: column;
}
.guide-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.guide-img-box {
    width: 100%;
    background: #f4f4f4;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}
.guide-img-box img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    background: #fff;
}
.guide-content {
    padding: 24px;
    flex: 1;
}
.guide-content h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}
.guide-content p {
    font-size: 0.95rem;
    color: var(--text-body);
    line-height: 1.7;
}
.guide-content .step-label {
    display: inline-block;
    background: var(--primary-red);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 12px;
    margin-bottom: 12px;
    letter-spacing: 0.05em;
}
.gallery-section {
    background: var(--bg-gray);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.gallery-item {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
}
.gallery-item p {
    padding: 12px;
    font-size: 0.85rem;
    text-align: center;
    color: var(--text-light);
}
.status-section {
    background: var(--bg-white);
}
.status-card {
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    max-width: 800px;
    margin: 0 auto;
}
.status-header {
    background: var(--primary-red);
    color: #fff;
    padding: 20px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.status-header h3 {
    color: #fff;
    font-size: 1.3rem;
    margin: 0;
}
.status-body {
    padding: 32px;
}
.status-alert {
    background: #fff5f5;
    border-left: 4px solid var(--primary-red);
    border-radius: 4px;
    padding: 20px 24px;
    font-size: 0.95rem;
    color: var(--text-dark);
    margin-bottom: 24px;
}
.status-time {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-red);
    margin-bottom: 12px;
}
.status-desc {
    font-size: 0.95rem;
    color: var(--text-body);
}
.faq-section {
    background: var(--bg-gray);
    border-top: 1px solid var(--border-color);
}
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.faq-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 32px;
}
.faq-q {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 16px;
    display: flex;
    gap: 12px;
}
.faq-a {
    font-size: 0.95rem;
    color: var(--text-body);
    line-height: 1.7;
    padding-left: 32px;
}
.cta-section {
    background: var(--primary-red);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}
.cta-section h2 {
    color: #fff;
    font-size: 2.2rem;
    margin-bottom: 16px;
}
.cta-section p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.1rem;
    margin-bottom: 40px;
}
.cta-section .btn-white {
    background: #fff;
    color: var(--primary-red);
}
.cta-section .btn-white:hover {
    background: var(--bg-gray);
    transform: translateY(-2px);
}
.site-footer {
    background: var(--bg-white);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
}
.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
    color: var(--text-light);
    font-size: 0.85rem;
}
.footer-links a {
    color: var(--text-light);
    margin: 0 8px;
}
.footer-links a:hover {
    color: var(--primary-red);
}
.footer-time {
    font-size: 0.8rem;
    color: #bbb;
}
@media (max-width: 1024px) {
    .hero h1 { font-size: 2.8rem; }
    .hero-inner { grid-template-columns: 1fr; text-align: center; }
    .hero p.tagline { border-left: none; padding-left: 0; border-top: 4px solid var(--primary-red); padding-top: 16px; display: inline-block; }
    .hero-buttons { justify-content: center; }
    .core-grid { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    section { padding: 60px 0; }
    .nav-inner { flex-direction: column; height: auto; padding: 16px 0; gap: 16px; }
    .nav-links { gap: 16px; flex-wrap: wrap; justify-content: center; }
    .hero h1 { font-size: 2.2rem; }
    .core-grid { grid-template-columns: 1fr; }
    .guide-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: 1fr; }
    .faq-grid { grid-template-columns: 1fr; }
    .status-header { flex-direction: column; align-items: flex-start; gap: 12px; }
    .status-body { padding: 24px; }
}