/* ===== 基础样式 Reset & Variables ===== */
:root {
    --primary-color: #4a90e2;
    --primary-hover: #357abd;
    --secondary-color: #50c878;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --bg-main: #f5f7fa;
    --bg-white: #ffffff;
    --border-color: #e0e6ed;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-main);
    font-size: 16px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* ===== Header 头部导航 ===== */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 0;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    cursor: pointer;
    transition: var(--transition);
}

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

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--primary-color);
}

.nav {
    display: flex;
    gap: 2rem;
}

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

.nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav a:hover {
    color: var(--primary-color);
}

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

/* ===== Main Content 主内容区 ===== */
.main {
    flex: 1;
    padding: 2rem 0;
}

/* ===== Hero Section 英雄区 ===== */
.hero {
    text-align: center;
    margin-bottom: 2.5rem;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* ===== Translator Section 翻译工具区 ===== */
.translator-section {
    margin-bottom: 4rem;
}

.translator-container {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 2rem;
}

/* Language Bar 语言选择栏 */
.language-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.language-select {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    min-width: 200px;
}

.language-select label {
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

.lang-dropdown {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-white);
    cursor: pointer;
    transition: var(--transition);
    outline: none;
}

.lang-dropdown:hover {
    border-color: var(--primary-color);
}

.lang-dropdown:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.swap-btn {
    width: 48px;
    height: 48px;
    border: none;
    background: var(--bg-main);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.swap-btn svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

.swap-btn:hover {
    background: var(--primary-color);
    transform: rotate(180deg);
}

.swap-btn:hover svg {
    color: white;
}

/* Translation Panels 翻译面板 */
.translation-panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.panel {
    display: flex;
    flex-direction: column;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.panel:hover {
    border-color: var(--primary-color);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--bg-main);
    border-bottom: 1px solid var(--border-color);
}

.panel-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.clear-btn,
.copy-btn {
    background: transparent;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.clear-btn svg,
.copy-btn svg {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
}

.clear-btn:hover,
.copy-btn:hover {
    background: rgba(74, 144, 226, 0.1);
}

.clear-btn:hover svg,
.copy-btn:hover svg {
    color: var(--primary-color);
}

.text-area {
    padding: 1.25rem;
    border: none;
    outline: none;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-primary);
    font-family: inherit;
    resize: none;
    min-height: 300px;
    background: var(--bg-white);
}

.text-area::placeholder {
    color: var(--text-light);
}

.result-area {
    position: relative;
    overflow-y: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.placeholder-text {
    color: var(--text-light);
    font-style: italic;
}

.panel-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--bg-main);
    border-top: 1px solid var(--border-color);
}

.char-count {
    font-size: 0.875rem;
    color: var(--text-light);
}

.translate-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.translate-btn svg {
    width: 20px;
    height: 20px;
}

.translate-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.translate-btn:active {
    transform: translateY(0);
}

.translate-btn:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    transform: none;
}

.translation-info {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Loading Animation */
.translate-btn.loading {
    pointer-events: none;
}

.translate-btn.loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid white;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-left: 0.5rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== Features Section 特色功能 ===== */
.features-section {
    margin-bottom: 4rem;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2.5rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.feature-desc {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== About Section 关于我们 ===== */
.about-section {
    margin-bottom: 4rem;
}

.about-content {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    max-width: 900px;
    margin: 0 auto;
}

.about-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
    text-align: justify;
}

.about-content p:last-child {
    margin-bottom: 0;
}

/* ===== FAQ Section 常见问题 ===== */
.faq-section {
    margin-bottom: 4rem;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-white);
    margin-bottom: 1rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    padding: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 300;
    transition: var(--transition);
}

.faq-item[open] .faq-question::after {
    content: '−';
}

.faq-question:hover {
    color: var(--primary-color);
    background: var(--bg-main);
}

.faq-answer {
    padding: 0 1.5rem 1.5rem 1.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== Footer 页脚 ===== */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 2rem 0;
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-content p {
    margin: 0;
    color: rgba(255, 255, 255, 0.8);
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
}

/* ===== Responsive 响应式设计 ===== */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2rem;
    }

    .translation-panels {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav {
        gap: 1.5rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }

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

    .language-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .language-select {
        width: 100%;
    }

    .swap-btn {
        align-self: center;
        transform: rotate(90deg);
    }

    .swap-btn:hover {
        transform: rotate(270deg);
    }

    .translator-container {
        padding: 1.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .about-content {
        padding: 1.5rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .logo {
        font-size: 1.25rem;
    }

    .logo-icon {
        width: 28px;
        height: 28px;
    }

    .nav {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .translator-container {
        padding: 1rem;
    }

    .text-area {
        min-height: 200px;
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .feature-card {
        padding: 1.5rem;
    }
}

/* ===== Accessibility 可访问性 ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 聚焦样式 */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== Utility Classes 工具类 ===== */
.hidden {
    display: none !important;
}

.text-success {
    color: var(--secondary-color);
}

.text-error {
    color: #e74c3c;
}

/* 复制成功提示 */
@keyframes fadeInOut {
    0%, 100% { opacity: 0; transform: translateY(-10px); }
    10%, 90% { opacity: 1; transform: translateY(0); }
}

.copy-success {
    position: fixed;
    top: 80px;
    right: 20px;
    background: var(--secondary-color);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    animation: fadeInOut 2s ease-in-out;
    z-index: 1000;
    font-weight: 500;
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}

/* ===== Content Pages 内容页面样式 ===== */
.content-page {
    max-width: 1000px;
    margin: 0 auto;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 2.5rem;
}

.page-meta {
    text-align: center;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.content-section {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
}

.content-section h2 {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
}

.content-section h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.content-section p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.content-section ul,
.content-section ol {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.content-section li {
    margin-bottom: 0.5rem;
}

.content-section a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.content-section a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

.back-link {
    text-align: center;
    margin-top: 2rem;
    padding: 2rem 0;
}

.back-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

/* ===== Contact Page 联系页面 ===== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.contact-card {
    text-align: center;
    padding: 2rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.contact-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-card h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.contact-card p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.contact-card a {
    color: var(--primary-color);
    font-weight: 600;
}

.contact-note {
    font-size: 0.85rem;
    color: var(--text-light);
    font-style: italic;
}

/* Feedback Form 反馈表单 */
.feedback-form {
    max-width: 700px;
    margin: 2rem auto 0;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.required {
    color: #e74c3c;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.submit-btn,
.reset-btn {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn {
    background: var(--primary-color);
    color: white;
}

.submit-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.reset-btn {
    background: var(--bg-main);
    color: var(--text-secondary);
}

.reset-btn:hover {
    background: var(--border-color);
}

.form-note {
    text-align: center;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 1rem;
}

.help-topics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.help-topic {
    padding: 1.5rem;
    background: var(--bg-main);
    border-radius: var(--radius-md);
}

.help-topic h3 {
    margin-top: 0;
    margin-bottom: 0.75rem;
}

/* ===== Languages Page 语言页面 ===== */
.language-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.language-card {
    text-align: center;
    padding: 2rem 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.language-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.language-card.popular {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.05) 0%, rgba(80, 200, 120, 0.05) 100%);
}

.lang-flag {
    font-size: 3rem;
    margin-bottom: 0.75rem;
}

.language-card h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin: 0.5rem 0;
}

.language-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.lang-code {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--bg-main);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-light);
    font-family: monospace;
}

.language-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.lang-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--bg-main);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.lang-item:hover {
    background: var(--border-color);
}

.lang-name {
    font-weight: 600;
    color: var(--text-primary);
}

.lang-english {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.feature-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.info-card {
    padding: 1.5rem;
    background: var(--bg-main);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
}

.info-card h3 {
    margin-top: 0;
    margin-bottom: 0.75rem;
}

/* ===== Help Page 帮助页面 ===== */
.tutorial-steps {
    margin-top: 2rem;
}

.step {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-main);
    border-radius: var(--radius-md);
}

.step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.step-content h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
}

.feature-guide {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.guide-item {
    padding: 1.5rem;
    background: var(--bg-main);
    border-radius: var(--radius-md);
}

.guide-item h3 {
    margin-top: 0;
    margin-bottom: 0.75rem;
}

.best-practices {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.practice-card {
    padding: 2rem;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
}

.practice-card h3 {
    margin-top: 0;
    margin-bottom: 1rem;
}

.troubleshooting {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.trouble-item {
    padding: 1.5rem;
    background: var(--bg-main);
    border-radius: var(--radius-md);
}

.trouble-item h3 {
    margin-top: 0;
    margin-bottom: 1rem;
}

/* ===== About Page 关于页面 ===== */
.vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.vision-card {
    text-align: center;
    padding: 2rem;
    background: var(--bg-main);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.vision-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.vision-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.vision-card h3 {
    margin: 0.75rem 0;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.advantage-item {
    padding: 1.5rem;
    background: var(--bg-main);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--secondary-color);
}

.advantage-item h3 {
    margin-top: 0;
    margin-bottom: 0.75rem;
}

.timeline {
    margin-top: 2rem;
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.5rem;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 0 0 2px var(--primary-color);
}

.timeline-year {
    flex-shrink: 0;
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.1rem;
    min-width: 80px;
}

.timeline-content h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.stat-card {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--radius-md);
    color: white;
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

.promise-list {
    margin-top: 2rem;
}

.promise-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    margin-bottom: 0.75rem;
    background: var(--bg-main);
    border-radius: var(--radius-sm);
}

.promise-icon {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    background: var(--secondary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.promise-item p {
    margin: 0;
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(80, 200, 120, 0.1) 100%);
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    margin-top: 1rem;
}

.cta-button:hover {
    background: var(--primary-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ===== Responsive for Content Pages ===== */
@media (max-width: 768px) {
    .page-title {
        font-size: 2rem;
    }

    .page-subtitle {
        font-size: 1rem;
    }

    .content-section {
        padding: 1.5rem;
    }

    .content-section h2 {
        font-size: 1.5rem;
    }

    .step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .timeline {
        padding-left: 1.5rem;
    }

    .timeline-item {
        flex-direction: column;
        gap: 0.5rem;
    }

    .timeline-year {
        min-width: auto;
    }

    .form-actions {
        flex-direction: column;
    }

    .submit-btn,
    .reset-btn {
        width: 100%;
    }
}