/* ============================================
   EVO真人官网 — 设计系统
   "日出海洋" 渐变流体 + 玻璃态风格
   配色：暖橙珊瑚 × 青绿薄荷 × 香槟金
   背景：暖白基调，禁止深色
   ============================================ */

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

body {
    font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    overflow-x: hidden;
    background: #FFF8F2;
    color: #2C3E50;
    line-height: 1.6;
}

/* ============================================
   核心布局
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 2;
}

.section {
    padding: 100px 0;
    position: relative;
}

.section:nth-child(even) {
    background: linear-gradient(135deg, #FFFAF5 0%, #F0F9F8 100%);
}

/* ============================================
   导航 — 固定顶部，玻璃态
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 248, 242, 0.82);
    backdrop-filter: blur(18px) saturate(1.2);
    border-bottom: 1px solid rgba(255, 127, 80, 0.15);
    box-shadow: 0 2px 40px rgba(255, 127, 80, 0.06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.35rem;
    text-decoration: none;
    color: #2C3E50;
    letter-spacing: -0.3px;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.02);
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: linear-gradient(135deg, #FF7F50, #20B2AA);
    color: #fff;
    box-shadow: 0 4px 14px rgba(255, 127, 80, 0.3);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.main-nav a {
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    color: #4A5568;
    transition: all 0.3s ease;
    position: relative;
    padding: 4px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #FF7F50, #20B2AA);
    transition: width 0.35s ease;
    border-radius: 2px;
}

.main-nav a:hover {
    color: #FF7F50;
}

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

.nav-cta {
    padding: 10px 24px !important;
    border-radius: 50px !important;
    color: #fff !important;
    font-weight: 600 !important;
    background: linear-gradient(135deg, #FF7F50, #FF6B35);
    box-shadow: 0 4px 18px rgba(255, 127, 80, 0.35);
    transition: all 0.35s ease !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 28px rgba(255, 127, 80, 0.45) !important;
    color: #fff !important;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #2C3E50;
    padding: 6px;
    border-radius: 8px;
    transition: background 0.2s;
}

.menu-toggle:hover {
    background: rgba(255, 127, 80, 0.1);
}

/* ============================================
   首页Hero — 流体渐变背景
   ============================================ */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: #FFF8F2;
    padding-top: 72px;
}

.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -20%;
    width: 70%;
    height: 130%;
    background: radial-gradient(ellipse at 70% 40%, rgba(255, 127, 80, 0.20), rgba(32, 178, 170, 0.12), transparent 65%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    animation: heroGlow 12s ease-in-out infinite alternate;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -10%;
    left: -15%;
    width: 55%;
    height: 90%;
    background: radial-gradient(ellipse at 30% 60%, rgba(212, 165, 116, 0.15), rgba(255, 127, 80, 0.08), transparent 60%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    animation: heroGlow2 15s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { transform: translate(0, 0) scale(1); opacity: 0.8; }
    100% { transform: translate(-40px, 30px) scale(1.08); opacity: 1; }
}

@keyframes heroGlow2 {
    0% { transform: translate(0, 0) scale(1); opacity: 0.6; }
    100% { transform: translate(30px, -20px) scale(1.12); opacity: 0.9; }
}

.hero-content {
    max-width: 720px;
    position: relative;
    z-index: 2;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 6px 18px;
    border-radius: 50px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, rgba(255, 127, 80, 0.12), rgba(32, 178, 170, 0.10));
    color: #FF7F50;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    border: 1px solid rgba(255, 127, 80, 0.15);
    backdrop-filter: blur(4px);
}

.hero h1 {
    font-size: 3.4rem;
    line-height: 1.15;
    margin-bottom: 22px;
    font-weight: 800;
    color: #1A202C;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #1A202C 40%, #FF7F50 70%, #20B2AA 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.15rem;
    opacity: 0.72;
    max-width: 560px;
    margin-bottom: 36px;
    color: #4A5568;
    line-height: 1.7;
}

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

.hero-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(255, 127, 80, 0.15);
    position: relative;
    z-index: 2;
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s ease;
}

.hero-image:hover img {
    transform: scale(1.03);
}

/* ============================================
   按钮
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #FF7F50, #FF6B35);
    box-shadow: 0 4px 20px rgba(255, 127, 80, 0.35);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: left 0.6s ease;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(255, 127, 80, 0.45);
}

.btn-outline {
    background: transparent;
    border: 2px solid #FF7F50;
    color: #FF7F50;
    backdrop-filter: blur(4px);
}

.btn-outline:hover {
    background: linear-gradient(135deg, rgba(255, 127, 80, 0.08), rgba(32, 178, 170, 0.04));
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(255, 127, 80, 0.15);
    border-color: #FF6B35;
}

/* ============================================
   标签 / 标题
   ============================================ */
.section-label {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 2.5px;
    margin-bottom: 14px;
    text-transform: uppercase;
    color: #20B2AA;
    position: relative;
    padding-left: 36px;
}

.section-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 2px;
    background: linear-gradient(90deg, #20B2AA, #FF7F50);
    border-radius: 2px;
}

.section-title {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: #1A202C;
    letter-spacing: -0.3px;
    line-height: 1.2;
}

.section-desc {
    max-width: 600px;
    opacity: 0.72;
    margin-bottom: 44px;
    color: #4A5568;
    font-size: 1.05rem;
    line-height: 1.7;
}

/* ============================================
   卡片网格 — 玻璃态卡片
   ============================================ */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
}

.category-card {
    border-radius: 16px;
    padding: 32px 28px;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 127, 80, 0.12);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #FF7F50, #20B2AA, #D4A574);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(255, 127, 80, 0.12), 0 4px 16px rgba(32, 178, 170, 0.06);
    border-color: rgba(255, 127, 80, 0.25);
    background: rgba(255, 255, 255, 0.88);
}

.category-card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    font-size: 1.4rem;
    background: linear-gradient(135deg, rgba(255, 127, 80, 0.12), rgba(32, 178, 170, 0.08));
    color: #FF7F50;
    transition: all 0.3s ease;
}

.category-card:hover .card-icon {
    background: linear-gradient(135deg, #FF7F50, #FF6B35);
    color: #fff;
    transform: scale(1.05);
}

.card-link {
    font-weight: 600;
    font-size: 0.88rem;
    text-decoration: none;
    color: #FF7F50;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.3s ease;
    margin-top: 12px;
}

.card-link:hover {
    gap: 12px;
    color: #FF6B35;
}

/* ============================================
   特性块
   ============================================ */
.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.feature-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(255, 127, 80, 0.10);
    transition: box-shadow 0.4s ease;
}

.feature-image:hover {
    box-shadow: 0 20px 60px rgba(255, 127, 80, 0.12);
}

.feature-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.feature-image:hover img {
    transform: scale(1.04);
}

.feature-text {
    padding: 8px 0;
}

.feature-list {
    list-style: none;
    margin-top: 20px;
}

.feature-list li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    color: #2D3748;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list li::before {
    content: '✦';
    font-weight: 700;
    color: #20B2AA;
    font-size: 1.1rem;
}

/* ============================================
   数据条
   ============================================ */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    text-align: center;
}

.stat-item {
    padding: 32px 20px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.70);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 127, 80, 0.10);
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
}

.stat-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20%;
    right: 20%;
    height: 3px;
    background: linear-gradient(90deg, #FF7F50, #20B2AA);
    border-radius: 3px 3px 0 0;
    opacity: 0;
    transition: opacity 0.3s ease, left 0.3s ease, right 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(255, 127, 80, 0.10);
    border-color: rgba(255, 127, 80, 0.20);
}

.stat-item:hover::after {
    opacity: 1;
    left: 10%;
    right: 10%;
}

.stat-number {
    font-size: 2.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, #FF7F50, #FF6B35);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.stat-label {
    font-size: 0.92rem;
    opacity: 0.65;
    margin-top: 8px;
    color: #4A5568;
    font-weight: 500;
}

/* ============================================
   内容墙
   ============================================ */
.content-wall {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 28px;
}

.content-wall-item {
    border-radius: 16px;
    overflow: hidden;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
}

.content-wall-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(255, 127, 80, 0.10), 0 4px 16px rgba(0, 0, 0, 0.04);
    border-color: rgba(255, 127, 80, 0.15);
}

.content-wall-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.content-wall-item:hover img {
    transform: scale(1.05);
}

.content-wall-body {
    padding: 22px 24px 26px;
}

.content-wall-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: #1A202C;
}

.content-wall-body p {
    font-size: 0.9rem;
    opacity: 0.65;
    color: #4A5568;
    line-height: 1.6;
}

/* ============================================
   FAQ
   ============================================ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid rgba(255, 127, 80, 0.10);
    border-radius: 12px;
    margin-bottom: 10px;
    overflow: hidden;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.60);
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(255, 127, 80, 0.22);
    background: rgba(255, 255, 255, 0.80);
}

.faq-item .faq-question {
    padding: 18px 24px;
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #2D3748;
    transition: color 0.3s ease;
}

.faq-item .faq-question::after {
    content: '+';
    font-size: 1.4rem;
    font-weight: 300;
    color: #FF7F50;
    transition: transform 0.35s ease;
}

.faq-item.open .faq-question::after {
    transform: rotate(45deg);
}

.faq-item .faq-answer {
    padding: 0 24px 18px;
    display: none;
    opacity: 0.72;
    color: #4A5568;
    line-height: 1.7;
    font-size: 0.95rem;
}

.faq-item.open .faq-answer {
    display: block;
    animation: fadeSlide 0.35s ease;
}

@keyframes fadeSlide {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 0.72; transform: translateY(0); }
}

/* ============================================
   CTA横幅
   ============================================ */
.cta-banner {
    padding: 64px 32px;
    text-align: center;
    border-radius: 20px;
    background: linear-gradient(135deg, #FF7F50, #FF6B35, #20B2AA);
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 16px 56px rgba(255, 127, 80, 0.25);
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.08), transparent 60%);
    animation: ctaShimmer 10s ease-in-out infinite alternate;
    pointer-events: none;
}

@keyframes ctaShimmer {
    0% { transform: translate(-10%, -10%) rotate(0deg); }
    100% { transform: translate(10%, 10%) rotate(3deg); }
}

.cta-banner h2 {
    color: #fff;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.cta-banner p {
    color: rgba(255, 255, 255, 0.85);
    max-width: 560px;
    margin: 0 auto 28px;
    position: relative;
    z-index: 1;
    font-size: 1.05rem;
}

.cta-banner .btn-primary {
    background: #fff;
    color: #FF7F50;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.10);
    position: relative;
    z-index: 1;
}

.cta-banner .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.15);
    background: #fff;
    color: #FF6B35;
}

/* ============================================
   页脚
   ============================================ */
.site-footer {
    padding: 64px 0 32px;
    background: linear-gradient(135deg, #FFF8F2 0%, #F0F9F8 100%);
    border-top: 1px solid rgba(255, 127, 80, 0.08);
    position: relative;
}

.site-footer .container {
    position: relative;
    z-index: 1;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-brand .logo {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

.footer-brand p {
    font-size: 0.9rem;
    opacity: 0.65;
    color: #4A5568;
    line-height: 1.7;
    max-width: 280px;
}

.footer-col h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 18px;
    color: #2D3748;
    letter-spacing: 0.5px;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col ul a {
    text-decoration: none;
    font-size: 0.88rem;
    color: #4A5568;
    opacity: 0.7;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.footer-col ul a:hover {
    opacity: 1;
    color: #FF7F50;
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 127, 80, 0.10);
    margin-top: 48px;
    padding-top: 24px;
    text-align: center;
    font-size: 0.85rem;
    color: #4A5568;
    opacity: 0.6;
    letter-spacing: 0.3px;
}

/* ============================================
   工具类
   ============================================ */
.text-accent {
    color: #FF7F50;
}

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

.seo-description {
    max-width: 600px;
    margin: 0 auto 48px;
    opacity: 0.72;
    color: #4A5568;
    line-height: 1.7;
    font-size: 1.02rem;
}

.mt-0 {
    margin-top: 0 !important;
}

.mb-0 {
    margin-bottom: 0 !important;
}

/* ============================================
   额外装饰元素
   ============================================ */
.deco-shape {
    position: absolute;
    pointer-events: none;
    z-index: 0;
    border-radius: 50%;
    opacity: 0.4;
}

/* 用于section的装饰性流体形状 */
.section::before {
    content: '';
    position: absolute;
    pointer-events: none;
    z-index: 0;
}

/* ============================================
   响应式
   ============================================ */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.8rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .footer-grid {
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .feature-block {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .main-nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 42px;
    }

    .main-nav.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: rgba(255, 248, 242, 0.98);
        backdrop-filter: blur(18px);
        padding: 24px 28px;
        gap: 18px;
        border-bottom: 1px solid rgba(255, 127, 80, 0.10);
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
    }

    .main-nav.open a {
        font-size: 1rem;
        padding: 8px 0;
    }

    .main-nav.open .nav-cta {
        text-align: center;
        padding: 12px 24px !important;
        margin-top: 4px;
    }

    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .section {
        padding: 64px 0;
    }

    .section-title {
        font-size: 1.7rem;
    }

    .cards-grid {
        gap: 20px;
    }

    .content-wall {
        gap: 20px;
    }

    .cta-banner {
        padding: 44px 24px;
    }

    .cta-banner h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .cards-grid,
    .content-wall,
    .stats-bar {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.4rem;
    }

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

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .stat-number {
        font-size: 2rem;
    }

    .feature-block {
        gap: 28px;
    }

    .container {
        padding: 0 16px;
    }

    .header-inner {
        padding: 0 16px;
    }

    .cta-banner {
        padding: 36px 20px;
        border-radius: 14px;
    }

    .cta-banner h2 {
        font-size: 1.3rem;
    }

    .faq-item .faq-question {
        padding: 14px 18px;
        font-size: 0.92rem;
    }

    .faq-item .faq-answer {
        padding: 0 18px 14px;
        font-size: 0.88rem;
    }
}

/* ============================================
   性能优化：减少重绘
   ============================================ */
.category-card,
.content-wall-item,
.stat-item,
.faq-item,
.btn {
    will-change: transform;
}