/* ==========================================
   Tokendance - 词元跳动
   科技风格静态网站样式
   ========================================== */

/* CSS 变量 */
:root {
    --primary: #00f5ff;
    --secondary: #b400ff;
    --accent: #ff006e;
    --dark: #0a0a0f;
    --dark-light: #12121a;
    --dark-lighter: #1a1a25;
    --light: #ffffff;
    --gray: #a0a0b0;
    --gradient-1: linear-gradient(135deg, var(--primary), var(--secondary));
    --gradient-2: linear-gradient(135deg, var(--secondary), var(--accent));
    --gradient-3: linear-gradient(135deg, var(--accent), var(--primary));
    --gradient-full: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Noto Sans SC', sans-serif;
}

/* 重置样式 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--dark);
    color: var(--light);
    overflow-x: hidden;
    cursor: none;
}

/* 选择文本样式 */
::selection {
    background: var(--secondary);
    color: var(--light);
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-1);
    border-radius: 4px;
}

/* ==========================================
   加载动画
   ========================================== */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
}

.loader-logo {
    animation: pulse 1.5s ease-in-out infinite;
}

.loader-path {
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: drawPath 2s ease forwards infinite;
}

.loader-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    letter-spacing: 0.5em;
    margin-top: 2rem;
    background: var(--gradient-full);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: textGlow 2s ease-in-out infinite;
}

@keyframes drawPath {
    to {
        stroke-dashoffset: 0;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 0 10px var(--primary));
    }
    50% {
        transform: scale(1.05);
        filter: drop-shadow(0 0 20px var(--secondary));
    }
}

@keyframes textGlow {
    0%, 100% {
        filter: brightness(1);
    }
    50% {
        filter: brightness(1.5);
    }
}

/* ==========================================
   自定义光标
   ========================================== */
.cursor {
    position: fixed;
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transition: transform 0.1s ease;
    mix-blend-mode: difference;
}

.cursor-follower {
    position: fixed;
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.15s ease, width 0.3s ease, height 0.3s ease;
    opacity: 0.5;
}

.cursor.active {
    transform: scale(2);
}

.cursor-follower.active {
    width: 60px;
    height: 60px;
    border-color: var(--secondary);
}

/* ==========================================
   粒子背景
   ========================================== */
#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ==========================================
   主容器
   ========================================== */
.container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
}

/* ==========================================
   导航栏
   ========================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    background: linear-gradient(to bottom, rgba(10, 10, 15, 0.9), transparent);
    backdrop-filter: blur(10px);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-svg {
    filter: drop-shadow(0 0 10px var(--primary));
}

.logo-path {
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: logoDraw 2s ease forwards;
}

.logo-particle {
    animation: particleFloat 3s ease-in-out infinite;
}

.logo-particle:nth-child(odd) {
    animation-delay: 0.5s;
}

@keyframes logoDraw {
    to {
        stroke-dashoffset: 0;
    }
}

@keyframes particleFloat {
    0%, 100% {
        transform: translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateY(-5px);
        opacity: 0.5;
    }
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient-full);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    font-size: 0.9rem;
    color: var(--gray);
    text-decoration: none;
    position: relative;
    transition: color var(--transition-normal);
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width var(--transition-normal);
}

.nav-link:hover {
    color: var(--light);
}

.nav-link:hover::after {
    width: 100%;
}

/* 汉堡菜单 */
.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 101;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--light);
    position: relative;
    transition: background var(--transition-normal);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--light);
    left: 0;
    transition: all var(--transition-normal);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ==========================================
   Hero 区域
   ========================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8rem 5% 4rem;
    position: relative;
}

.hero-content {
    max-width: 600px;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 245, 255, 0.1);
    border: 1px solid rgba(0, 245, 255, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--primary);
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease forwards;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: dotPulse 1.5s ease-in-out infinite;
}

@keyframes dotPulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.hero-title {
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
}

.title-line:first-child {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    letter-spacing: 0.05em;
}

.word {
    display: inline-block;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.word:nth-child(1) {
    animation-delay: 0.2s;
}

.word:nth-child(2) {
    animation-delay: 0.4s;
}

.word.highlight {
    background: var(--gradient-full);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-family: var(--font-display);
    font-size: clamp(1rem, 3vw, 1.5rem);
    font-weight: 400;
    letter-spacing: 0.3em;
    color: var(--gray);
    margin-top: 0.5rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.6s forwards;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.8s forwards;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease 1s forwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-primary {
    background: var(--gradient-1);
    color: var(--dark);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 245, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--light);
    border: 1px solid var(--gray);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero 视觉区域 */
.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 500px;
    height: 500px;
    z-index: 1;
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.5;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 200px;
    height: 200px;
    background: var(--primary);
    top: 10%;
    left: 20%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    background: var(--secondary);
    top: 50%;
    right: 10%;
    animation-delay: 1s;
}

.shape-3 {
    width: 180px;
    height: 180px;
    background: var(--accent);
    bottom: 20%;
    left: 30%;
    animation-delay: 2s;
}

.shape-4 {
    width: 120px;
    height: 120px;
    background: var(--primary);
    bottom: 30%;
    right: 30%;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(20px, -20px) rotate(90deg);
    }
    50% {
        transform: translate(0, -40px) rotate(180deg);
    }
    75% {
        transform: translate(-20px, -20px) rotate(270deg);
    }
}

/* Token 视觉 */
.token-visual {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
}

.token-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid transparent;
    border-radius: 50%;
    background: linear-gradient(var(--dark), var(--dark)) padding-box,
                var(--gradient-full) border-box;
    animation: ringRotate 10s linear infinite;
}

.token-ring::before {
    content: '';
    position: absolute;
    top: -5px;
    left: 50%;
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--primary);
}

.token-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: var(--gradient-full);
    border-radius: 50%;
    animation: corePulse 2s ease-in-out infinite;
    box-shadow: 0 0 40px rgba(180, 0, 255, 0.5);
}

@keyframes ringRotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes corePulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 0 40px rgba(180, 0, 255, 0.5);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        box-shadow: 0 0 60px rgba(0, 245, 255, 0.7);
    }
}

/* ==========================================
   特性区域
   ========================================== */
.features {
    padding: 8rem 5%;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 0.3em;
    color: var(--primary);
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.section-tag.animate {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease 0.2s;
}

.section-title.animate {
    opacity: 1;
    transform: translateY(0);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    position: relative;
    padding: 2.5rem;
    background: var(--dark-light);
    border-radius: 16px;
    overflow: hidden;
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity var(--transition-normal);
    filter: blur(30px);
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-card:hover .card-glow {
    opacity: 0.1;
}

.card-icon {
    margin-bottom: 1.5rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 245, 255, 0.1);
    border-radius: 12px;
    transition: all var(--transition-normal);
}

.feature-card:hover .card-icon {
    background: rgba(0, 245, 255, 0.2);
    transform: scale(1.1);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.card-description {
    color: var(--gray);
    line-height: 1.7;
}

.card-border {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 16px;
    padding: 2px;
    background: var(--gradient-1);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.feature-card:hover .card-border {
    opacity: 1;
}

/* ==========================================
   愿景区域
   ========================================== */
.vision {
    padding: 8rem 5%;
    position: relative;
}

.vision-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
}

.vision-text {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.8s ease;
}

.vision-text.animate {
    opacity: 1;
    transform: translateX(0);
}

.vision-description {
    color: var(--gray);
    line-height: 1.8;
    margin: 1.5rem 0 2rem;
    font-size: 1.05rem;
}

.vision-points {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.point {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    background: var(--dark-light);
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.point:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.point-icon {
    color: var(--primary);
}

.point span {
    font-size: 0.9rem;
}

/* 代码块 */
.vision-visual {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.8s ease;
}

.vision-visual.animate {
    opacity: 1;
    transform: translateX(0);
}

.code-block {
    background: var(--dark-light);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.code-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: var(--dark-lighter);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-dot.red { background: #ff5f56; }
.code-dot.yellow { background: #ffbd2e; }
.code-dot.green { background: #27c93f; }

.code-title {
    margin-left: 1rem;
    font-size: 0.85rem;
    color: var(--gray);
}

.code-content {
    padding: 1.5rem;
    overflow-x: auto;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.7;
}

.code-keyword { color: #ff79c6; }
.code-variable { color: var(--primary); }
.code-property { color: #8be9fd; }
.code-function { color: #50fa7b; }
.code-method { color: #ffb86c; }
.code-string { color: #f1fa8c; }
.code-comment { color: #6272a4; }

/* ==========================================
   底部区域
   ========================================== */
.footer {
    padding: 4rem 5% 2rem;
    background: var(--dark-light);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.footer-logo {
    filter: drop-shadow(0 0 10px var(--primary));
}

.footer-brand-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.footer-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient-full);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    font-size: 0.85rem;
    color: var(--gray);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.copyright {
    font-size: 0.85rem;
    color: var(--gray);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-link {
    font-size: 0.85rem;
    color: var(--gray);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.footer-link:hover {
    color: var(--primary);
}

/* ==========================================
   响应式设计
   ========================================== */
@media (max-width: 1024px) {
    .hero-visual {
        width: 350px;
        height: 350px;
        opacity: 0.5;
    }

    .vision-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .vision-visual {
        order: -1;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--dark-light);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: right var(--transition-normal);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    }

    .nav-links.active {
        right: 0;
        display: flex;
    }

    .nav-link {
        font-size: 1.25rem;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 10rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-cta {
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-visual {
        position: relative;
        right: auto;
        top: auto;
        transform: none;
        width: 250px;
        height: 250px;
        margin: 3rem auto 0;
        opacity: 1;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .cursor,
    .cursor-follower {
        display: none;
    }

    body {
        cursor: auto;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 8rem 1.5rem 4rem;
    }

    .features,
    .vision {
        padding: 4rem 1.5rem;
    }

    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
    }

    .vision-points {
        flex-direction: column;
    }
}

/* ==========================================
   动画延迟工具类
   ========================================== */
[data-aos-delay="100"] { transition-delay: 0.1s; }
[data-aos-delay="200"] { transition-delay: 0.2s; }
[data-aos-delay="300"] { transition-delay: 0.3s; }
[data-aos-delay="400"] { transition-delay: 0.4s; }

/* ==========================================
   无障碍访问 - 减少动画
   ========================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .loader {
        display: none !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* ==========================================
   模态框样式
   ========================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    background: var(--dark-light);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
}

.modal.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: var(--gray);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    z-index: 1;
}

.modal-close:hover {
    background: var(--accent);
    color: var(--light);
}

.modal-title {
    padding: 1.5rem 2rem;
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-full);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-body {
    padding: 1.5rem 2rem 2rem;
    max-height: 60vh;
    overflow-y: auto;
    line-height: 1.8;
}

.modal-body p {
    color: var(--gray);
    margin-bottom: 1rem;
}

.modal-body h3 {
    color: var(--primary);
    font-size: 1.1rem;
    margin: 1.5rem 0 0.75rem;
}

.modal-body h3:first-of-type {
    margin-top: 1rem;
}

/* 模态框响应式 */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        max-height: 90vh;
    }

    .modal-title {
        padding: 1rem 1.5rem;
        font-size: 1.25rem;
    }

    .modal-body {
        padding: 1rem 1.5rem 1.5rem;
        max-height: 70vh;
    }
}