/* Shadowrocket 小火箭官网 - 全局样式 */
:root {
    --primary: #FF6B00;
    --primary-dark: #E05E00;
    --bg-dark: #0A0A0F;
    --bg-section: #111118;
    --bg-card: #1A1A25;
    --text-white: #FFFFFF;
    --text-gray: #A0A0B0;
    --accent-blue: #00D4FF;
    --border-color: #2A2A3A;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 0 40px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 700;
}

.navbar .logo .rocket-icon {
    font-size: 28px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    font-size: 15px;
    color: var(--text-gray);
    transition: color 0.3s;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--text-white);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-primary {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 10px 24px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    transition: background 0.3s, transform 0.2s;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    display: inline-block;
    border: 1px solid var(--border-color);
    color: var(--text-white);
    padding: 10px 24px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    transition: border-color 0.3s, transform 0.2s;
}

.btn-secondary:hover {
    border-color: var(--accent-blue);
    transform: translateY(-1px);
}

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-white);
}

/* Hero 区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 40px 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 107, 0, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    width: 100%;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

.hero-text h1 .highlight {
    color: var(--primary);
}

.hero-text .subtitle {
    font-size: 22px;
    color: var(--text-gray);
    margin-bottom: 16px;
}

.hero-text .desc {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 32px;
    max-width: 500px;
}

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

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

.hero-visual .phone-mockup {
    width: 300px;
    height: 580px;
    background: linear-gradient(145deg, var(--bg-card), #252535);
    border-radius: 40px;
    border: 2px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.phone-mockup .rocket-big {
    font-size: 80px;
    margin-bottom: 20px;
}

.phone-mockup .app-name {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.phone-mockup .app-desc {
    font-size: 13px;
    color: var(--text-gray);
    text-align: center;
    padding: 0 30px;
}

/* 通用区块 */
.section {
    padding: 100px 40px;
}

.section-alt {
    background: var(--bg-section);
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* 卡片网格 */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(255, 107, 0, 0.08);
}

.card .icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
}

.card p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* 协议标签 */
.protocol-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 50px;
}

.protocol-tag {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    transition: border-color 0.3s;
}

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

/* 设备列表 */
.device-list {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.device-item {
    text-align: center;
    padding: 20px;
}

.device-item .device-icon {
    font-size: 48px;
    margin-bottom: 10px;
}

.device-item .device-name {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.device-item .device-ver {
    font-size: 13px;
    color: var(--text-gray);
}

/* 场景卡片 */
.scene-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    transition: transform 0.3s;
}

.scene-card:hover {
    transform: translateY(-4px);
}

.scene-card .scene-icon {
    font-size: 36px;
    margin-bottom: 16px;
}

.scene-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.scene-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* 隐私承诺 */
.privacy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.privacy-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
}

.privacy-item .p-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.privacy-item h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 6px;
}

.privacy-item p {
    font-size: 14px;
    color: var(--text-gray);
}

/* 下载区域 */
.download-section {
    text-align: center;
}

.download-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 50px;
    max-width: 700px;
    margin: 0 auto;
}

.download-box .price-list {
    list-style: none;
    margin: 30px 0;
}

.download-box .price-list li {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 15px;
}

.download-box .price-list li:last-child {
    border-bottom: none;
}

.download-box .price-list .plan-name {
    color: var(--text-gray);
}

.download-box .price-list .plan-price {
    color: var(--primary);
    font-weight: 600;
}

.app-info {
    margin-top: 30px;
    text-align: left;
    font-size: 14px;
    color: var(--text-gray);
}

.app-info dt {
    display: inline-block;
    width: 100px;
    color: var(--text-white);
    font-weight: 500;
}

.warning-box {
    background: rgba(255, 107, 0, 0.1);
    border: 1px solid rgba(255, 107, 0, 0.3);
    border-radius: 10px;
    padding: 16px 20px;
    margin-top: 24px;
    font-size: 14px;
    color: var(--primary);
}

/* FAQ */
.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 28px;
    margin-bottom: 20px;
}

.faq-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--primary);
}

.faq-item .faq-category {
    font-size: 13px;
    color: var(--accent-blue);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.faq-steps {
    list-style: none;
    counter-reset: step;
}

.faq-steps li {
    counter-increment: step;
    padding: 8px 0;
    padding-left: 36px;
    position: relative;
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.7;
}

.faq-steps li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 8px;
    width: 24px;
    height: 24px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 更新日志 */
.changelog-item {
    border-left: 2px solid var(--border-color);
    padding-left: 30px;
    margin-bottom: 40px;
    position: relative;
}

.changelog-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 0;
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
}

.changelog-item .version {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
}

.changelog-item .date {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 12px;
}

.changelog-item ul {
    list-style: disc;
    padding-left: 20px;
}

.changelog-item ul li {
    font-size: 15px;
    color: var(--text-gray);
    padding: 4px 0;
}

/* 教程 */
.guide-step {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 24px;
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.guide-step .step-num {
    width: 48px;
    height: 48px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    flex-shrink: 0;
}

.guide-step h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.guide-step p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* 关于页面 */
.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-content h3 {
    font-size: 22px;
    font-weight: 600;
    margin-top: 40px;
    margin-bottom: 16px;
}

/* 联系页面 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
}

.contact-card .c-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.contact-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.contact-card p {
    font-size: 14px;
    color: var(--text-gray);
}

/* 页脚 */
.footer {
    background: var(--bg-section);
    border-top: 1px solid var(--border-color);
    padding: 60px 40px 30px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}

.footer-links h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    font-size: 14px;
    color: var(--text-gray);
    transition: color 0.3s;
}

.footer-links ul li a:hover {
    color: var(--text-white);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-gray);
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a {
    color: var(--text-gray);
    transition: color 0.3s;
}

.footer-bottom-links a:hover {
    color: var(--text-white);
}

/* 下载页面 */
.download-page-hero {
    text-align: center;
    padding: 140px 40px 60px;
}

.download-page-hero h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
}

.download-page-hero p {
    font-size: 18px;
    color: var(--text-gray);
}

.download-methods {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 40px 80px;
}

.download-method {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.download-method .dm-icon {
    font-size: 48px;
    flex-shrink: 0;
}

.download-method h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
}

.download-method p {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 12px;
}

/* 功能页 */
.feature-detail {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    margin-bottom: 30px;
}

.feature-detail h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-detail p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
}

.feature-detail ul {
    margin-top: 12px;
    padding-left: 20px;
}

.feature-detail ul li {
    font-size: 15px;
    color: var(--text-gray);
    padding: 4px 0;
}

/* 页面内链 */
.page-header {
    padding: 140px 40px 60px;
    text-align: center;
}

.page-header h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
}

.page-header p {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* 响应式 */
@media (max-width: 1199px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-text .desc { margin: 0 auto 32px; }
    .hero-buttons { justify-content: center; }
    .hero-visual { margin-top: 40px; }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .footer-content { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
    .navbar { padding: 0 20px; }
    .nav-links { display: none; }
    .hamburger { display: flex; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-dark);
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        gap: 16px;
    }
    .hero { padding: 100px 20px 60px; }
    .hero-text h1 { font-size: 36px; }
    .hero-text .subtitle { font-size: 18px; }
    .section { padding: 60px 20px; }
    .section-title { font-size: 28px; }
    .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
    .privacy-grid { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    .phone-mockup { width: 240px; height: 460px; }
    .download-method { flex-direction: column; text-align: center; }
    .guide-step { flex-direction: column; }
    .contact-grid { grid-template-columns: 1fr; }
    .page-header { padding: 120px 20px 40px; }
    .page-header h1 { font-size: 32px; }
}