/* 闪配宝官网样式 */

/* ===== 本地化字体定义 ===== */
/* 使用 Fontsource Noto Sans SC 字体 - 按需加载中文字符子集 */
@font-face {
    font-family: 'Noto Sans SC';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../fonts/noto-sans-sc-chinese-simplified-400-normal.woff2') format('woff2'),
         url('../fonts/noto-sans-sc-119-400-normal.woff2') format('woff2');
    unicode-range: U+4E00-9FFF, U+3400-4DBF, U+20000-2A6DF, U+2A700-2B73F, U+2B740-2B81F, U+2B820-2CEAF, U+F900-FAFF, U+2F800-2FA1F;
}

@font-face {
    font-family: 'Noto Sans SC';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('../fonts/noto-sans-sc-chinese-simplified-500-normal.woff2') format('woff2'),
         url('../fonts/noto-sans-sc-119-500-normal.woff2') format('woff2');
    unicode-range: U+4E00-9FFF, U+3400-4DBF, U+20000-2A6DF, U+2A700-2B73F, U+2B740-2B81F, U+2B820-2CEAF, U+F900-FAFF, U+2F800-2FA1F;
}

@font-face {
    font-family: 'Noto Sans SC';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('../fonts/noto-sans-sc-chinese-simplified-700-normal.woff2') format('woff2'),
         url('../fonts/noto-sans-sc-119-700-normal.woff2') format('woff2');
    unicode-range: U+4E00-9FFF, U+3400-4DBF, U+20000-2A6DF, U+2A700-2B73F, U+2B740-2B81F, U+2B820-2CEAF, U+F900-FAFF, U+2F800-2FA1F;
}

@font-face {
    font-family: 'Noto Sans SC';
    font-style: normal;
    font-weight: 900;
    font-display: swap;
    src: url('../fonts/noto-sans-sc-chinese-simplified-900-normal.woff2') format('woff2'),
         url('../fonts/noto-sans-sc-119-900-normal.woff2') format('woff2');
    unicode-range: U+4E00-9FFF, U+3400-4DBF, U+20000-2A6DF, U+2A700-2B73F, U+2B740-2B81F, U+2B820-2CEAF, U+F900-FAFF, U+2F800-2FA1F;
}

/* 拉丁字符回退 */
@font-face {
    font-family: 'Noto Sans SC';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../fonts/noto-sans-sc-latin-400-normal.woff2') format('woff2'),
         url('../fonts/noto-sans-sc-21-400-normal.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
    font-family: 'Noto Sans SC';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('../fonts/noto-sans-sc-latin-500-normal.woff2') format('woff2'),
         url('../fonts/noto-sans-sc-21-500-normal.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
    font-family: 'Noto Sans SC';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('../fonts/noto-sans-sc-latin-700-normal.woff2') format('woff2'),
         url('../fonts/noto-sans-sc-21-700-normal.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
    font-family: 'Noto Sans SC';
    font-style: normal;
    font-weight: 900;
    font-display: swap;
    src: url('../fonts/noto-sans-sc-latin-900-normal.woff2') format('woff2'),
         url('../fonts/noto-sans-sc-21-900-normal.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ===== CSS 变量（与 Tailwind 配置同步） ===== */
:root {
    --flash-orange: #F97316;
    --energy-yellow: #FACC15;
    --dark-blue: #0F172A;
    --slate-dark: #1E293B;
    --slate-mid: #334155;
}

/* ===== 基础样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ===== 动画定义 ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(249, 115, 22, 0.3); }
    50% { box-shadow: 0 0 40px rgba(249, 115, 22, 0.6); }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* ===== 导航样式 ===== */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-link {
    color: #94A3B8;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #F97316;
}

/* ===== 按钮样式 ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #F97316, #FACC15);
    color: #0F172A;
    font-weight: 700;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(249, 115, 22, 0.4);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: #F97316;
    font-weight: 700;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    border: 2px solid #F97316;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-secondary:hover {
    background: rgba(249, 115, 22, 0.1);
    transform: translateY(-2px);
}

/* ===== Hero 区域 ===== */
.hero-bg {
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(249, 115, 22, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(250, 204, 21, 0.1) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 100%, rgba(249, 115, 22, 0.1) 0%, transparent 50%);
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* ===== 标签样式 ===== */
.tag-highlight {
    display: inline-block;
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.2), rgba(250, 204, 21, 0.2));
    border: 1px solid rgba(249, 115, 22, 0.3);
    color: #FACC15;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
}

.tag-trust {
    display: inline-flex;
    align-items: center;
    color: #22C55E;
    font-size: 0.875rem;
    font-weight: 500;
}

/* ===== 手机样机 ===== */
.phone-mockup {
    width: 280px;
    height: 560px;
    background: linear-gradient(135deg, #1E293B, #334155);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.phone-screen {
    width: 100%;
    height: 100%;
    border-radius: 30px;
    overflow: hidden;
}

/* ===== 章节标题 ===== */
.section-title {
    font-size: 2rem;
    font-weight: 900;
    background: linear-gradient(135deg, #F97316, #FACC15);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }
}

.section-desc {
    color: #94A3B8;
    font-size: 1.125rem;
}

/* ===== 特性卡片 ===== */
.feature-card {
    background: #1E293B;
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(249, 115, 22, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* ===== 优势卡片 ===== */
.advantage-card {
    background: #1E293B;
    border-radius: 1rem;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.advantage-number {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 3rem;
    font-weight: 900;
    color: rgba(249, 115, 22, 0.1);
}

/* ===== 对比表格 ===== */
.compare-table {
    background: #1E293B;
    border-radius: 1rem;
    overflow: hidden;
}

.compare-table th,
.compare-table td {
    padding: 1rem;
    border-bottom: 1px solid #334155;
}

.compare-table th {
    background: #0F172A;
    font-weight: 600;
}

.compare-table tbody tr:hover {
    background: rgba(249, 115, 22, 0.05);
}

.highlight-cell {
    color: #F97316;
    font-weight: 600;
    text-align: center;
    background: rgba(249, 115, 22, 0.1);
}

/* ===== 功能卡片 ===== */
.function-card {
    background: #1E293B;
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.function-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.function-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

/* ===== 步骤卡片 ===== */
.step-card {
    background: #1E293B;
    border-radius: 1rem;
    padding: 1.5rem;
    position: relative;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: linear-gradient(135deg, #F97316, #FACC15);
    color: #0F172A;
    font-weight: 900;
    border-radius: 9999px;
    margin-bottom: 1rem;
}

/* ===== 验证卡片 ===== */
.verify-card {
    background: #1E293B;
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
}

.verify-step {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, #22C55E, #16A34A);
    color: white;
    font-weight: 900;
    font-size: 1.25rem;
    border-radius: 9999px;
    margin-bottom: 1rem;
}

/* ===== 安全卡片 ===== */
.security-card {
    background: #1E293B;
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.security-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.security-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

/* ===== FAQ 样式 ===== */
.faq-item {
    background: #1E293B;
    border-radius: 1rem;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background: transparent;
    border: none;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(249, 115, 22, 0.1);
}

.faq-icon {
    transition: transform 0.3s ease;
    color: #F97316;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 0 1.5rem 1.25rem;
}

.faq-answer p {
    color: #94A3B8;
    line-height: 1.7;
}

/* ===== 响应式优化 ===== */
@media (max-width: 768px) {
    .section-title {
        font-size: 1.75rem;
    }
    
    .phone-mockup {
        width: 200px;
        height: 400px;
    }
    
    .compare-table {
        font-size: 0.75rem;
    }
    
    .compare-table th,
    .compare-table td {
        padding: 0.5rem 0.375rem;
        white-space: nowrap;
    }
    
    /* 表格横向滚动优化 */
    .overflow-x-auto {
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }
    
    /* 表格第一列固定 */
    .compare-table th:first-child,
    .compare-table td:first-child {
        position: sticky;
        left: 0;
        background: #1E293B;
        z-index: 1;
    }
    
    .compare-table th:first-child {
        background: #0F172A;
    }
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #0F172A;
}

::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #475569;
}

/* ===== 选中文本样式 ===== */
::selection {
    background: rgba(249, 115, 22, 0.3);
    color: white;
}

/* ===== 交易案例Tab样式 ===== */
.case-tab {
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    color: #94a3b8;
    background: transparent;
    border: 1px solid #334155;
    cursor: pointer;
    transition: all 0.3s ease;
}

.case-tab:hover {
    color: #ffffff;
    border-color: #F97316;
}

.case-tab.active {
    color: #ffffff;
    background: linear-gradient(to right, #F97316, #FACC15);
    border-color: transparent;
}

.case-content {
    animation: fadeIn 0.3s ease;
}

.case-content.hidden {
    display: none;
}

/* ===== FAQ Tab样式 ===== */
.faq-tab {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #94a3b8;
    background: #1E293B;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-tab:hover {
    color: #ffffff;
    background: #334155;
}

.faq-tab.active {
    color: #ffffff;
    background: #F97316;
}

.faq-category {
    animation: fadeIn 0.3s ease;
}

.faq-category.hidden {
    display: none;
}