@charset "UTF-8";
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Serif SC', '宋体', 'Times New Roman', serif;
    background: #0a0806;
    color: #F0E2C5;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.leaf-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 25;
    opacity: 1;
    transition: opacity 0.5s;
}
.leaf-container.hide {
    opacity: 0;
    pointer-events: none;
}
.leaf {
    position: absolute;
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, #C77A5A, #8B1E2D);
    border-radius: 50% 50% 50% 0;
    opacity: 0.7;
    animation: fall linear infinite;
}
@keyframes fall {
    0% { transform: translateY(-10px) rotate(0deg); opacity: 0; }
    10% { opacity: 0.8; }
    90% { opacity: 0.8; }
    100% { transform: translateY(100vh) rotate(360deg); opacity: 0; }
}

.token-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 8, 6, 0.85);
    backdrop-filter: blur(4px);
    z-index: 20;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    transition: opacity 1s ease;
    cursor: pointer;
}
.token-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
}
.token {
    width: 200px;
    height: 200px;
    background: radial-gradient(ellipse at 30% 35%, #e6c27a, #9b6a3c);
    border-radius: 50%;
    box-shadow: 0 0 40px rgba(230, 194, 122, 0.6), inset 0 0 20px rgba(0,0,0,0.3);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 56px;
    color: #2c1a0c;
    text-shadow: 2px 2px 0px rgba(255,215,0,0.5);
    transition: transform 0.3s, box-shadow 0.3s;
    animation: float 2s infinite alternate;
    cursor: pointer;
}
.token:hover {
    transform: scale(1.05);
    box-shadow: 0 0 60px rgba(230, 194, 122, 0.9);
}
@keyframes float {
    from { transform: translateY(0px); }
    to { transform: translateY(-15px); }
}
.token-text {
    margin-top: 30px;
    color: #d9b48b;
    font-size: 18px;
    letter-spacing: 6px;
    text-shadow: 0 0 6px #000;
}

.app-wrapper {
    position: relative;
    z-index: 5;
    opacity: 0;
    transition: opacity 1s ease;
}
.app-wrapper.visible {
    opacity: 1;
}

.site-header {
    background: #1A1612;
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(217, 180, 139, 0.3);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    max-width: 1300px;
    margin: 0 auto;
}
.logo a {
    font-size: 26px;
    font-weight: 700;
    color: #F0E2C5;
    letter-spacing: 2px;
}
.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}
.nav-list {
    display: flex;
    list-style: none;
    gap: 42px;
}
.nav-link {
    font-size: 18px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    color: #E8DDD0;
    padding: 6px 0;
    position: relative;
}
.nav-link i {
    font-size: 16px;
    color: #D9B48B;
}
.nav-link:hover i {
    color: #F0E2C5;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #C77A5A;
    transition: width 0.25s;
}
.nav-link:hover::after {
    width: 100%;
}
.nav-link:hover {
    color: #F0E2C5;
}
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}
.menu-toggle span {
    width: 26px;
    height: 2px;
    background: #ECE3D8;
    margin: 5px 0;
    transition: 0.3s;
}
@media (max-width: 768px) {
    .main-nav {
        justify-content: flex-end;
    }
    .nav-list {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 75%;
        height: calc(100vh - 70px);
        background: #2A241E;
        flex-direction: column;
        align-items: center;
        padding-top: 50px;
        transition: left 0.3s;
        gap: 28px;
        z-index: 99;
        border-left: 3px solid #8B1E2D;
    }
    .nav-list.show {
        left: 0;
    }
    .menu-toggle {
        display: flex;
    }
}

.site-main {
    padding: 30px 0 20px;
}
.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 24px;
}
.hero-text {
    text-align: center;
    margin-bottom: 30px;
}

.main-slogan {
    font-size: 4.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #F0E2C5;
    letter-spacing: 6px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
    white-space: nowrap;
}
@media (max-width: 768px) {
    .main-slogan {
        font-size: 2.5rem;
        letter-spacing: 3px;
        white-space: normal;
    }
}
.main-slogan span {
    display: inline-block;
    animation: floatText 3s ease-in-out infinite;
}
.main-slogan span:nth-child(2) { animation-delay: 0.2s; }
.main-slogan span:nth-child(3) { animation-delay: 0.4s; }
.main-slogan span:nth-child(4) { animation-delay: 0.6s; }
.main-slogan span:nth-child(5) { animation-delay: 0.8s; }
@keyframes floatText {
    0%,100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.sub-slogan {
    font-size: 1.6rem;
    color: #D9B48B;
    margin-bottom: 20px;
}

.peaks-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin: 30px 0;
}
.peak-card {
    width: 200px;
    background: linear-gradient(145deg, #2A241E, #1F1B16);
    border-radius: 24px;
    padding: 24px 16px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.2,0.9,0.4,1.1);
    border: 1px solid rgba(217,180,139,0.3);
    box-shadow: 0 15px 25px rgba(0,0,0,0.4);
    position: relative;
    backdrop-filter: blur(4px);
}
.peak-card::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 6px;
    background: #D9B48B;
    border-radius: 4px;
    opacity: 0.6;
}
.peak-card:hover {
    transform: translateY(-12px);
    border-color: #C77A5A;
    box-shadow: 0 25px 35px rgba(199,122,90,0.3);
}
.peak-icon {
    font-size: 48px;
    color: #D9B48B;
    margin-bottom: 12px;
}
.peak-name {
    font-size: 24px;
    font-weight: 700;
    color: #F0E2C5;
    margin-bottom: 6px;
}
.peak-desc {
    font-size: 12px;
    color: #BCAE9C;
    margin-bottom: 16px;
}
.sub-links {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}
.sub-links a {
    font-size: 11px;
    color: #C2A060;
    background: rgba(0,0,0,0.4);
    padding: 4px 10px;
    border-radius: 30px;
    transition: all 0.2s;
    text-decoration: none;
}
.sub-links a:hover {
    background: #8B1E2D;
    color: #FFF;
}

.identity-section {
    text-align: center;
    margin-top: 20px;
}
.identity-bar {
    display: inline-block;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    padding: 12px 24px;
    border-radius: 60px;
    margin-bottom: 30px;
}
.id-btn {
    background: none;
    border: 1px solid #C2A060;
    color: #E8DDC5;
    padding: 5px 18px;
    border-radius: 40px;
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
    margin: 0 6px;
    transition: 0.2s;
}
.id-btn.active, .id-btn:hover {
    background: #8B1E2D;
    border-color: #8B1E2D;
    color: #FFF;
}
.enter-journey-btn {
    background: linear-gradient(45deg, #8B1E2D, #C77A5A);
    border: none;
    padding: 14px 48px;
    font-size: 1.2rem;
    font-weight: 600;
    color: #FDF8E6;
    border-radius: 40px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 6px 14px rgba(139,30,45,0.5);
    font-family: inherit;
}
.enter-journey-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 10px 20px rgba(139,30,45,0.7);
}
.enter-journey-btn i {
    margin-left: 8px;
}

.site-footer {
    background: #1A1612;
    border-top: 1px solid rgba(217,180,139,0.3);
    padding: 60px 0 30px;
    margin-top: 30px;
}
.footer-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 40px;
}
.footer-column {
    flex: 1;
    min-width: 240px;
}
.footer-column h3 {
    font-size: 20px;
    color: #D9B48B;
    margin-bottom: 18px;
    font-weight: 600;
    position: relative;
    padding-left: 12px;
}
.footer-column h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: #8B1E2D;
    border-radius: 50%;
}
.footer-column.narrative ul {
    list-style: none;
    line-height: 1.8;
}
.footer-column.narrative li {
    position: relative;
    padding-left: 20px;
    color: #BCAE9C;
    transition: all 0.2s ease;
}
.footer-column.narrative li::before {
    content: '·';
    position: absolute;
    left: 0;
    color: #8B1E2D;
    font-weight: bold;
}
.footer-column.narrative li:hover {
    color: #F0E2C5;
    transform: translateX(4px);
}
.social-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.social-item {
    display: flex;
    align-items: center;
    gap: 12px;
}
.social-icon {
    width: 28px;
    height: 28px;
    background: rgba(217,180,139,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #D9B48B;
    font-size: 14px;
    transition: all 0.3s;
    border: 1px solid rgba(217,180,139,0.3);
}
.social-item:hover .social-icon {
    background: #8B1E2D;
    color: #FDF8E6;
    transform: scale(1.15);
}
.social-text {
    color: #BCAE9C;
    font-size: 15px;
}
.social-item:hover .social-text {
    color: #F0E2C5;
}
.gre-model {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px 0;
}
.gre-title {
    font-size: 16px;
    color: #D9B48B;
    margin-bottom: 20px;
}
.gre-path {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 300px;
    height: 60px;
    margin: 0 auto;
    position: relative;
}
.gre-path::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 15%;
    right: 15%;
    height: 2px;
    background: linear-gradient(to right, transparent, #8B1E2D, transparent);
}
.gre-node {
    width: 40px;
    height: 40px;
    background: rgba(30,26,23,0.8);
    border: 2px solid #8B1E2D;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
    color: #D9B48B;
    cursor: help;
    transition: all 0.3s;
    position: relative;
    z-index: 2;
}
.gre-node:hover {
    background: #8B1E2D;
    color: #FDF8E6;
    transform: scale(1.2);
}
.gre-node:hover::after {
    content: attr(data-fullname);
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.85);
    color: #F0E2C5;
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 4px;
    white-space: nowrap;
}
.gre-labels {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 300px;
    margin-top: 15px;
}
.gre-label {
    font-size: 12px;
    color: #8A7E6E;
    text-align: center;
    width: 80px;
}
.footer-copyright {
    text-align: center;
    padding-top: 25px;
    border-top: 1px solid rgba(217,180,139,0.2);
    font-size: 13px;
    color: #8A7E6E;
    margin-top: 20px;
}
@media (max-width: 768px) {
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
    .gre-path {
        flex-direction: column;
        height: auto;
        gap: 20px;
    }
    .gre-path::before {
        display: none;
    }
    .gre-labels {
        flex-direction: column;
        gap: 8px;
        align-items: center;
    }
    .gre-label {
        width: auto;
    }
}

@media (max-width: 1100px) {
    .peaks-grid {
        gap: 20px;
    }
    .peak-card {
        width: 170px;
        padding: 18px 12px;
    }
    .peak-icon {
        font-size: 40px;
    }
    .peak-name {
        font-size: 20px;
    }
}
@media (max-width: 768px) {
    .main-slogan {
        font-size: 2.5rem;
        letter-spacing: 3px;
        white-space: normal;
    }
    .sub-slogan {
        font-size: 1.2rem;
    }
    .peaks-grid {
        flex-direction: column;
        align-items: center;
    }
    .peak-card {
        width: 240px;
    }
    .identity-bar {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
}