/**
 * 捷云鲸网络验证系统 - 主样式文件
 * 
 * @author 捷云鲸团队
 * @version 1.0
 * @copyright 2013-2026 捷云鲸 Cloud. All Rights Reserved.
 */

/* ========================================
   1. CSS变量与重置
   ======================================== */

:root {
    /* 颜色变量 */
    --bg-primary: #1A1D21;
    --bg-secondary: #2A2D31;
    --bg-tertiary: #3A3D41;
    --color-primary: #4A6C8C;
    --color-secondary: #3B4A59;
    --color-accent: #00B2D4;
    --color-accent-hover: #0099B3;
    --text-primary: #E0E6E9;
    --text-secondary: #B0B6B9;
    --text-muted: #808689;
    --border-color: #4A4D51;
    --shadow-primary: rgba(0, 178, 212, 0.2);
    --shadow-dark: rgba(0, 0, 0, 0.3);
    
    /* 字体变量 */
    --font-heading-cn: 'Chiron Hei HK', 'Noto Sans SC', sans-serif;
    --font-heading-en: 'Hedvig Letters Sans', sans-serif;
    --font-body-cn: 'Noto Sans SC', sans-serif;
    --font-body-en: 'Quattrocento Sans', sans-serif;
    
    /* 尺寸变量 */
    --header-height: 70px;
    --container-max-width: 1200px;
    --section-padding: 80px 0;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    
    /* 动画变量 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body-cn);
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

/* 选择器样式 */
::selection {
    background-color: var(--color-accent);
    color: var(--bg-primary);
}

/* 焦点样式 */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ========================================
   2. 基础组件
   ======================================== */

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: var(--font-heading-cn);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width var(--transition-normal), height var(--transition-normal);
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-primary);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

.btn-outline:hover {
    background: var(--color-accent);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-primary);
}

.btn-login {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 8px 20px;
    font-size: 0.9rem;
}

.btn-login:hover {
    background: var(--bg-secondary);
    color: var(--color-accent);
}

.btn-register {
    background: var(--color-accent);
    color: white;
    padding: 8px 20px;
    font-size: 0.9rem;
}

.btn-register:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
}

/* ========================================
   3. 导航栏样式
   ======================================== */

.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(26, 29, 33, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.main-nav.scrolled {
    background: rgba(26, 29, 33, 0.98);
    box-shadow: 0 2px 20px var(--shadow-dark);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-img {
    width: 40px;
    height: 40px;
    margin-right: 10px;
    filter: drop-shadow(0 0 10px var(--shadow-primary));
}

.logo-text {
    font-family: var(--font-heading-cn);
    font-size: 1.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    flex: 1;
    margin: 0 40px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-list a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--color-accent);
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-normal);
}

.nav-list a:hover::after,
.nav-list a.active::after {
    width: 100%;
}

.user-actions {
    display: flex;
    gap: 15px;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

.hamburger {
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}

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

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

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

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

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

/* ========================================
   4. Hero区域样式
   ======================================== */

.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: var(--header-height) 0 0;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../resources/hero-bg.png') center/cover no-repeat;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 29, 33, 0.8), rgba(74, 108, 140, 0.3));
    z-index: -1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-family: var(--font-heading-cn);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-name {
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: 20px;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-shield {
    width: 100%;
    max-width: 350px;
    height: auto;
    filter: drop-shadow(0 0 30px var(--shadow-primary));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ========================================
   5. 功能特性区域样式
   ======================================== */

.features-section {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.features-tabs {
    max-width: 1000px;
    margin: 0 auto;
}

.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 30px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.tab-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left var(--transition-normal);
}

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

.tab-btn:hover {
    color: var(--color-accent);
    background: var(--bg-primary);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
    box-shadow: 0 4px 15px var(--shadow-primary);
}

.tab-content {
    position: relative;
    min-height: 400px;
}

.tab-panel {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px 30px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px var(--shadow-dark);
    border-color: var(--color-accent);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 1.5rem;
    color: white;
}

.feature-card h3 {
    font-family: var(--font-heading-cn);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.learn-more {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: gap var(--transition-fast);
}

.learn-more:hover {
    gap: 10px;
}

/* ========================================
   6. 技术规格区域样式
   ======================================== */

.specs-section {
    padding: var(--section-padding);
    background: var(--bg-primary);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.spec-category {
    text-align: center;
    background: var(--bg-secondary);
    padding: 40px 30px;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.spec-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-dark);
    border-color: var(--color-accent);
}

.spec-category-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 30px;
}

.spec-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--color-accent);
}

.spec-category h3 {
    font-family: var(--font-heading-cn);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.spec-items {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.spec-item {
    padding: 10px 18px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    font-weight: 500;
}

.spec-item:hover {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 5px 15px var(--shadow-primary);
}

/* 为不同的spec-item添加不同的颜色效果 */
.spec-category:nth-child(1) .spec-item:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
}

.spec-category:nth-child(2) .spec-item:hover {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    border-color: #f5576c;
}

.spec-category:nth-child(3) .spec-item:hover {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    border-color: #4facfe;
}

.spec-category:nth-child(4) .spec-item:hover {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    border-color: #43e97b;
}

/* ========================================
   7. 警告区域样式
   ======================================== */

.warning-section {
    background: linear-gradient(135deg, #FF6B6B, #FF8E53);
    color: white;
}

.warning-top {
    padding: 20px 0;
    margin-top: var(--header-height);
    position: relative;
    z-index: 900;
    box-shadow: 0 4px 20px rgba(255, 107, 107, 0.3);
}

.notice-text {
    font-size: 1.1rem;
    line-height: 1.8;
    font-weight: 500;
    margin: 0;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

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

.mb-4 {
    margin-bottom: 0;
}

.text-primary {
    color: white;
    font-weight: 600;
    text-decoration: underline;
    transition: opacity 0.2s ease;
}

.text-primary:hover {
    opacity: 0.8;
}

.hover\:underline:hover {
    text-decoration: underline;
}

/* ========================================
   8. 页脚样式
   ======================================== */

.main-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo img {
    width: 40px;
    height: 40px;
    margin-right: 10px;
}

.footer-logo span {
    font-family: var(--font-heading-cn);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 25px;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.link-group h4 {
    font-family: var(--font-heading-cn);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    position: relative;
}

.link-group h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--color-accent);
}

.link-group ul {
    list-style: none;
}

.link-group li {
    margin-bottom: 12px;
}

.link-group a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.link-group a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.beian-info {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.beian-info a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.beian-info a:hover {
    color: var(--color-accent);
}

.beian-icon {
    width: 16px;
    height: 16px;
}

.beian-separator {
    color: var(--border-color);
}

/* 顶部警告区域响应式 */
@media screen and (max-width: 768px) {
    .notice-text {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    .warning-top {
        padding: 15px 0;
    }
}

@media screen and (max-width: 480px) {
    .notice-text {
        font-size: 0.9rem;
    }
}

/* ========================================
   9. 客服挂件样式
   ======================================== */

.cs-widget {
    position: fixed;
    right: 30px;
    bottom: 30px;
    z-index: 999;
}

.cs-toggle {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    box-shadow: 0 4px 20px var(--shadow-primary);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.cs-toggle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width var(--transition-normal), height var(--transition-normal);
}

.cs-toggle:hover::before {
    width: 100px;
    height: 100px;
}

.cs-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px var(--shadow-primary);
}

.cs-text {
    font-size: 0.7rem;
    margin-top: 2px;
}

.cs-panel {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 320px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 40px var(--shadow-dark);
    transform: scale(0);
    transform-origin: bottom right;
    transition: transform var(--transition-normal);
    overflow: hidden;
}

.cs-panel.active {
    transform: scale(1);
}

.cs-header {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cs-header h3 {
    font-family: var(--font-heading-cn);
    font-size: 1.1rem;
    font-weight: 600;
}

.cs-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background var(--transition-fast);
}

.cs-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.cs-body {
    padding: 25px;
}

.cs-info p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.cs-info i {
    color: var(--color-accent);
    font-size: 1.1rem;
}

.cs-qrcode {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.cs-qrcode img {
    width: 120px;
    height: 120px;
    border-radius: var(--border-radius);
    margin-bottom: 10px;
}

.cs-qrcode p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ========================================
   10. 滚动进度和返回顶部
   ======================================== */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    z-index: 1001;
    transition: width var(--transition-fast);
}

.back-to-top {
    position: fixed;
    right: 30px;
    bottom: 110px;
    width: 50px;
    height: 50px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 998;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-accent);
    color: white;
    transform: translateY(-5px);
}

/* ========================================
   11. 图标字体
   ======================================== */

@font-face {
    font-family: 'icomoon';
    src: url('fonts/icomoon.woff2') format('woff2'),
         url('fonts/icomoon.woff') format('woff');
    font-weight: normal;
    font-style: normal;
    font-display: block;
}

[class^="icon-"],
[class*=" icon-"] {
    font-family: 'icomoon' !important;
    speak: never;
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    text-transform: none;
    line-height: 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.icon-shield:before { content: '\e900'; }
.icon-lock:before { content: '\e901'; }
.icon-code:before { content: '\e902'; }
.icon-key:before { content: '\e903'; }
.icon-users:before { content: '\e904'; }
.icon-refresh:before { content: '\e905'; }
.icon-eye:before { content: '\e906'; }
.icon-ban:before { content: '\e907'; }
.icon-shield-alt:before { content: '\e908'; }
.icon-cloud:before { content: '\e909'; }
.icon-api:before { content: '\e90a'; }
.icon-rocket:before { content: '\e90b'; }
.icon-phone:before { content: '\e90c'; }
.icon-email:before { content: '\e90d'; }
.icon-qq:before { content: '\e90e'; }
.icon-wechat:before { content: '\e90f'; }
.icon-clock:before { content: '\e910'; }
.icon-customer-service:before { content: '\e911'; }
.icon-arrow-up:before { content: '\e912'; }
.icon-exclamation-triangle:before { content: '\e913'; }