:root {
    --canvas-cream: #F3F0EE;
    --lifted-cream: #FCFBFA;
    --ink-black: #141413;
    --charcoal: #262627;
    --slate-gray: #696969;
    --signal-orange: #CF4500;
    --light-signal-orange: #F37338;
    --clay-brown: #9A3A0A;
    --link-blue: #3860BE;
    --white: #FFFFFF;
    --soft-bone: #F4F4F4;
    --dust-taupe: #D1CDC7;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Sofia Sans', Arial, sans-serif;
    background-color: var(--canvas-cream);
    color: var(--ink-black);
    line-height: 1.4;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 48px;
}

.floating-nav {
    position: fixed;
    top: 24px;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 48px;
}

.nav-container {
    background: var(--white);
    border-radius: 1000px;
    padding: 16px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto;
    box-shadow: rgba(0, 0, 0, 0.04) 0px 4px 24px 0px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.logo-red {
    background: #EB001B;
    margin-right: -12px;
}

.logo-yellow {
    background: #F79E1B;
}

.custom-logo {
    width: 40px !important;
    height: 40px !important;
    max-width: 40px !important;
    max-height: 40px !important;
    border-radius: 8px;
    object-fit: cover;
    display: inline-block !important;
}

.logo-text {
    font-weight: 700;
    font-size: 16px;
    letter-spacing: -0.32px;
}

.nav-links {
    display: flex;
    gap: 48px;
}

.nav-link {
    color: var(--ink-black);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    letter-spacing: -0.48px;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    opacity: 0.8;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--ink-black);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--canvas-cream);
    z-index: 999;
    padding: 120px 48px 48px;
}

.mobile-menu.open {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mobile-nav-link {
    font-size: 24px;
    font-weight: 500;
    color: var(--ink-black);
    text-decoration: none;
    letter-spacing: -0.48px;
}

.hero-section {
    padding: 160px 0 96px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.56px;
    color: var(--slate-gray);
    margin-bottom: 24px;
}

.eyebrow-dot {
    width: 8px;
    height: 8px;
    background: var(--light-signal-orange);
    border-radius: 50%;
}

.hero-title {
    font-size: 64px;
    font-weight: 500;
    line-height: 64px;
    letter-spacing: -1.28px;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 16px;
    font-weight: 450;
    line-height: 22.4px;
    color: var(--charcoal);
    margin-bottom: 32px;
    max-width: 480px;
}

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

.btn {
    padding: 6px 24px;
    border-radius: 20px;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: -0.32px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--ink-black);
    color: var(--canvas-cream);
    border: 1.5px solid var(--ink-black);
}

.btn-primary:hover {
    opacity: 0.9;
}

.btn-secondary {
    background: var(--white);
    color: var(--ink-black);
    border: 1.5px solid var(--ink-black);
}

.btn-secondary:hover {
    background: var(--soft-bone);
}

.hero-media-frame {
    border-radius: 40px;
    background: linear-gradient(135deg, #2B2B2B 0%, #141413 100%);
    height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-placeholder {
    text-align: center;
}

.truck-icon {
    font-size: 96px;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 40px;
}

.about-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.info-section,
.team-section,
.rules-section,
.requirements-section,
.rules-requirements-section,
.highlights-section {
    padding: 128px 0;
}

.info-section {
    position: relative;
}

.ghost-watermark {
    position: absolute;
    font-size: 128px;
    font-weight: 500;
    letter-spacing: -2.56px;
    color: #E8E2DA;
    top: 48px;
    left: 48px;
    z-index: 0;
    pointer-events: none;
}

.ghost-watermark.right {
    left: auto;
    right: 48px;
}

.eyebrow,
.section-eyebrow,
.section-title,
.combined-content,
.highlights-carousel,
.carousel-controls,
.highlights-placeholder,
.team-grid {
    position: relative;
    z-index: 1;
}

.info-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 96px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.info-visual {
    position: relative;
}

.circular-portrait {
    position: relative;
    width: 320px;
    height: 320px;
}

.portrait-image {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    overflow: hidden;
    background: linear-gradient(135deg, var(--light-signal-orange) 0%, var(--signal-orange) 100%);
}

.placeholder-img {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--soft-bone) 0%, var(--dust-taupe) 100%);
}

.rules-img .placeholder-img {
    background: linear-gradient(135deg, var(--clay-brown) 0%, var(--signal-orange) 100%);
}

.satellite-cta {
    position: absolute;
    bottom: 16px;
    right: 16px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--white);
    border: none;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.orbital-arc {
    position: absolute;
    width: 200px;
    height: 100px;
    border: 1px solid var(--light-signal-orange);
    border-radius: 0 0 200px 200px;
    border-top: none;
    right: -180px;
    bottom: 80px;
}

.section-title {
    font-size: 36px;
    font-weight: 500;
    line-height: 44px;
    letter-spacing: -0.72px;
    margin-bottom: 32px;
}

.section-title.center {
    text-align: center;
}

.section-eyebrow {
    display: block;
    text-align: center;
    margin-bottom: 16px;
}

.info-body p {
    font-size: 16px;
    font-weight: 450;
    line-height: 22.4px;
    color: var(--charcoal);
    margin-bottom: 16px;
}

.contact-info {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--dust-taupe);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    margin-top: 64px;
}

.team-card {
    text-align: center;
}

.team-portrait {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
}

.team-avatar {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--soft-bone) 0%, var(--dust-taupe) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.qq-avatar {
    width: 100% !important;
    height: 100% !important;
    min-width: 100% !important;
    min-height: 100% !important;
    max-width: 100% !important;
    max-height: 100% !important;
    object-fit: cover;
}

.avatar-placeholder {
    font-size: 64px;
    font-weight: 500;
    color: var(--slate-gray);
}

.team-name {
    font-size: 24px;
    font-weight: 500;
    line-height: 28.8px;
    letter-spacing: -0.48px;
    margin-bottom: 8px;
}

.team-role {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.56px;
    color: var(--light-signal-orange);
    margin-bottom: 12px;
}

.team-bio {
    font-size: 16px;
    font-weight: 450;
    line-height: 22.4px;
    color: var(--charcoal);
    margin-bottom: 8px;
}

.team-qq {
    font-size: 14px;
    font-weight: 500;
    color: var(--slate-gray);
}

.rules-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.rules-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.rule-item h3 {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 12px;
}

.rule-item ul {
    list-style: none;
    padding-left: 24px;
}

.rule-item li {
    font-size: 16px;
    font-weight: 450;
    line-height: 22.4px;
    color: var(--charcoal);
    margin-bottom: 8px;
    position: relative;
}

.rule-item li::before {
    content: "•";
    position: absolute;
    left: -16px;
    color: var(--light-signal-orange);
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 64px;
}

.requirement-card {
    background: var(--lifted-cream);
    border-radius: 40px;
    padding: 40px;
}

.req-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

.requirement-card h3 {
    font-size: 24px;
    font-weight: 500;
    line-height: 28.8px;
    letter-spacing: -0.48px;
    margin-bottom: 24px;
}

.requirement-card ul {
    list-style: none;
}

.requirement-card li {
    font-size: 16px;
    font-weight: 450;
    line-height: 22.4px;
    color: var(--charcoal);
    margin-bottom: 12px;
    position: relative;
    padding-left: 24px;
}

.requirement-card li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--light-signal-orange);
}

.highlights-section {
    position: relative;
}

.highlights-carousel {
    display: flex;
    gap: 32px;
    overflow: hidden;
    margin-top: 64px;
}

.pill-card {
    flex: 0 0 calc(33.333% - 22px);
    border-radius: 1000px;
    background: var(--lifted-cream);
    overflow: hidden;
    min-height: 480px;
    display: flex;
    flex-direction: column;
}

.pill-img {
    height: 200px;
    background: linear-gradient(135deg, var(--light-signal-orange) 0%, var(--signal-orange) 100%);
    overflow: hidden;
}

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

.pill-content {
    padding: 40px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.pill-chip {
    display: inline-block;
    background: var(--white);
    color: var(--ink-black);
    padding: 8px 20px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.56px;
    margin-bottom: 16px;
    width: fit-content;
}

.pill-content h3 {
    font-size: 24px;
    font-weight: 500;
    line-height: 28.8px;
    letter-spacing: -0.48px;
    margin-bottom: 12px;
}

.pill-content p {
    font-size: 16px;
    font-weight: 450;
    line-height: 22.4px;
    color: var(--charcoal);
}

.highlights-placeholder {
    text-align: center;
    padding: 80px 40px;
    background: var(--lifted-cream);
    border-radius: 24px;
    margin-top: 64px;
}

.highlights-placeholder p {
    font-size: 18px;
    color: var(--slate-gray);
}

.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-top: 48px;
}

.carousel-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--white);
    border: 1px solid var(--ink-black);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-dots {
    display: flex;
    gap: 12px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--dust-taupe);
}

.dot.active {
    background: var(--light-signal-orange);
}

.site-footer {
    background: var(--ink-black);
    color: var(--white);
    padding: 80px 48px 148px;
}

.site-footer .container {
    padding: 0;
}

.footer-top {
    margin-bottom: 64px;
}

.footer-headline {
    font-size: 48px;
    font-weight: 500;
    line-height: 56px;
    letter-spacing: -0.96px;
    margin-bottom: 48px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 48px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.56px;
    color: var(--dust-taupe);
    margin-bottom: 24px;
}

.footer-column a {
    display: block;
    color: var(--white);
    text-decoration: none;
    font-size: 14px;
    font-weight: 450;
    line-height: 20px;
    margin-bottom: 12px;
}

.footer-column a:hover {
    opacity: 0.8;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    padding-top: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-left p {
    font-size: 14px;
    color: var(--dust-taupe);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--dust-taupe);
    text-decoration: none;
    font-size: 14px;
}

.footer-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.lang-selector {
    background: var(--ink-black);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 999px;
    padding: 12px 24px;
    font-size: 14px;
    cursor: pointer;
}

.social-icons {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 18px;
}

@media (max-width: 1024px) {
    .hero-title {
        font-size: 48px;
        line-height: 52px;
    }

    .hero-content,
    .info-content,
    .rules-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .info-visual,
    .rules-visual {
        order: -1;
        display: flex;
        justify-content: center;
    }

    .orbital-arc {
        display: none;
    }

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .pill-card {
        flex: 0 0 100%;
    }

    .desktop-nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .ghost-watermark {
        font-size: 72px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }

    .floating-nav {
        padding: 0 24px;
    }

    .nav-container {
        padding: 12px 24px;
    }

    .hero-section {
        padding: 120px 0 64px;
    }

    .hero-title {
        font-size: 40px;
        line-height: 44px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-media-frame {
        height: 320px;
    }

    .info-section,
    .team-section,
    .rules-section,
    .requirements-section,
    .rules-requirements-section,
    .highlights-section {
        padding: 64px 0;
    }

    .circular-portrait {
        width: 240px;
        height: 240px;
    }

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

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

    .footer-bottom {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .footer-headline {
        font-size: 32px;
        line-height: 40px;
    }

    .site-footer {
        padding: 64px 24px 96px;
    }
}

/* ============================================
   RULES & REQUIREMENTS SECTION (合并版)
   ============================================ */
.rules-requirements-section {
    background: var(--white);
    position: relative;
}

.combined-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 48px;
}

.rules-panel,
.requirements-panel {
    background: var(--lifted-cream);
    padding: 32px;
    border-radius: 24px;
    border: 1px solid var(--dust-taupe);
}

.panel-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--ink-black);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--signal-orange);
}

.rules-list-compact {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.rule-item-compact h4 {
    font-size: 18px;
    color: var(--signal-orange);
    margin-bottom: 12px;
    font-weight: 600;
}

.rule-item-compact ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.rule-item-compact li {
    color: var(--slate-gray);
    font-size: 15px;
    padding-left: 20px;
    position: relative;
    line-height: 1.6;
}

.rule-item-compact li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 6px;
    height: 6px;
    background: var(--signal-orange);
    border-radius: 50%;
}

.requirements-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.requirement-item {
    background: var(--white);
    padding: 20px;
    border-radius: 16px;
    border: 1px solid var(--dust-taupe);
}

.req-badge {
    font-size: 28px;
    margin-bottom: 10px;
}

.requirement-item h4 {
    font-size: 17px;
    color: var(--ink-black);
    margin-bottom: 10px;
    font-weight: 600;
}

.requirement-item ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.requirement-item li {
    color: var(--slate-gray);
    font-size: 14px;
    padding-left: 18px;
    position: relative;
    line-height: 1.6;
}

.requirement-item li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--signal-orange);
    font-weight: bold;
}

/* 合并版响应式样式 */
@media (max-width: 768px) {
    .combined-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .rules-panel,
    .requirements-panel {
        padding: 24px;
    }
}