/* ==========================================================================
   杏花云官网 (xinghuayun.lol) CSS 样式设计
   设计风格：
   1. 结合 图1 暗黑翡翠/暗绿玻璃拟态 (Glassmorphism + Neon Glow)
   2. 结合 图2 黑金奢华粉花瓣风格套餐卡片 (Gold & Dark Luxury + Blossom Ornaments)
   3. 全响应式设计与动态粒子动画
   ========================================================================== */

:root {
    --bg-dark: #0a0f0d;
    --bg-card: rgba(16, 26, 22, 0.65);
    --bg-card-border: rgba(52, 211, 153, 0.18);
    
    --accent-emerald: #10b981;
    --accent-glow: #34d399;
    --accent-gold: #d4af37;
    --accent-gold-light: #f3e5ab;
    --accent-pink: #f472b6;

    --text-main: #ecfdf5;
    --text-muted: #9ca3af;
    --text-gold: #f59e0b;

    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-family);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* 背景模糊气泡 & 光晕 */
.glowing-orbs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.35;
    animation: floatOrb 15s infinite alternate ease-in-out;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #059669 0%, transparent 70%);
    top: -100px;
    left: -100px;
}

.orb-2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #047857 0%, #d4af37 100%);
    bottom: -150px;
    right: -100px;
    animation-delay: -7s;
}

@keyframes floatOrb {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(80px, 60px) scale(1.15); }
}

/* 通用玻璃拟态卡片 (图1风格) */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--bg-card-border);
    border-radius: 20px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    transition: var(--transition);
}

.glass-card:hover {
    border-color: rgba(52, 211, 153, 0.4);
    box-shadow: 0 12px 40px 0 rgba(16, 185, 129, 0.2);
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 26px;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    font-size: 0.95rem;
}

.btn-primary {
    background: linear-gradient(135deg, #059669 0%, #10b981 100%);
    color: #fff;
    border: none;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--accent-glow);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 6px 16px;
    font-size: 0.85rem;
    border-radius: 20px;
}

.glow-effect {
    position: relative;
    overflow: hidden;
}

.glow-effect::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(60deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: rotate(30deg);
    transition: 0.8s;
}

.glow-effect:hover::after {
    left: 100%;
}

/* 导航栏 */
.navbar-container {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1280px;
    z-index: 1000;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 28px;
    border-radius: 50px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-main);
}

.logo .badge {
    font-size: 0.7rem;
    padding: 2px 8px;
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid var(--accent-emerald);
    color: var(--accent-glow);
    border-radius: 12px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 24px;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--accent-glow);
}

/* Hero Section */
.hero-section {
    padding: 160px 5% 80px;
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-content {
    padding: 48px;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(52, 211, 153, 0.3);
    color: var(--accent-glow);
    border-radius: 30px;
    font-size: 0.88rem;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 3.2rem;
    line-height: 1.2;
    font-weight: 800;
    margin-bottom: 20px;
}

.hero-title span {
    background: linear-gradient(135deg, var(--accent-glow) 0%, #a7f3d0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 36px;
}

.hero-tags span {
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    font-size: 0.85rem;
    color: var(--text-main);
}

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

/* 图1 右侧暗黑玻璃雷达交互面板 */
.hero-preview {
    padding: 24px;
    height: 480px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.radar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.dots span {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 6px;
}
.dots .red { background: #ef4444; }
.dots .yellow { background: #f59e0b; }
.dots .green { background: #10b981; }

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

.status-live {
    font-size: 0.8rem;
    color: var(--accent-glow);
    display: flex;
    align-items: center;
    gap: 6px;
}

.pulse {
    width: 8px;
    height: 8px;
    background: var(--accent-glow);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-glow);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.7; }
    50% { transform: scale(1.3); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.7; }
}

.radar-display {
    position: relative;
    flex: 1;
    margin: 20px 0;
    border-radius: 50%;
    border: 1px solid rgba(52, 211, 153, 0.2);
    box-shadow: inset 0 0 50px rgba(16, 185, 129, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.radar-sweep {
    position: absolute;
    width: 50%;
    height: 50%;
    top: 0;
    right: 0;
    background: conic-gradient(from 0deg, rgba(52, 211, 153, 0.4) 0deg, transparent 60deg);
    transform-origin: bottom left;
    animation: sweep 4s infinite linear;
    border-radius: 100% 0 0 0;
}

@keyframes sweep {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.radar-center-node {
    width: 14px;
    height: 14px;
    background: var(--accent-glow);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--accent-glow);
}

.radar-ping-tag {
    position: absolute;
    padding: 4px 10px;
    background: rgba(10, 15, 13, 0.85);
    border: 1px solid var(--accent-emerald);
    border-radius: 12px;
    font-size: 0.75rem;
    color: var(--text-main);
}
.tag-hk { top: 20%; left: 15%; }
.tag-jp { top: 30%; right: 15%; }
.tag-sg { bottom: 25%; left: 25%; }
.tag-us { bottom: 20%; right: 20%; }

.radar-footer {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    text-align: center;
    padding-top: 12px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.stat-num {
    font-weight: 700;
    color: var(--accent-glow);
    font-size: 1.1rem;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* 标题样式 */
.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.3rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.section-title h2 span {
    color: var(--accent-glow);
}

.section-title p {
    color: var(--text-muted);
    font-size: 1rem;
}

/* 特性卖点 */
.features-section {
    padding: 80px 5%;
    max-width: 1280px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.feature-card {
    padding: 32px;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-main);
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* 节点列表 */
.nodes-section {
    padding: 80px 5%;
    max-width: 1280px;
    margin: 0 auto;
}

.nodes-grid {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.node-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
}

.node-row:hover {
    background: rgba(16, 185, 129, 0.08);
    border-color: var(--accent-emerald);
}

.node-info {
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.node-meta .tag {
    font-size: 0.75rem;
    padding: 3px 8px;
    border-radius: 6px;
    margin-right: 6px;
}

.tag-green { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.tag-gold { background: rgba(212, 175, 55, 0.2); color: #f3e5ab; }
.tag-purple { background: rgba(168, 85, 247, 0.2); color: #c084fc; }

.node-ping {
    color: var(--accent-glow);
    font-size: 0.9rem;
    font-family: monospace;
}

/* ==========================================================================
   套餐购买 Section (参考 图2 暗黑高端金/飘落粉瓣风格)
   ========================================================================== */
.pricing-section {
    padding: 100px 5%;
    max-width: 1280px;
    margin: 0 auto;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
    align-items: center;
}

/* 图2 专有黑金玻璃卡片 */
.glass-card-dark {
    background: linear-gradient(160deg, #14161d 0%, #0d0e12 100%);
    border: 1px solid rgba(212, 175, 55, 0.25);
    border-radius: 16px;
    padding: 44px 36px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
    transition: var(--transition);
}

.glass-card-dark:hover {
    transform: translateY(-8px);
    border-color: var(--accent-gold);
    box-shadow: 0 16px 50px rgba(212, 175, 55, 0.25);
}

.glass-card-dark.popular {
    border: 2px solid var(--accent-gold);
    background: linear-gradient(160deg, #1a1c26 0%, #10121a 100%);
}

.popular-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: linear-gradient(135deg, #d4af37 0%, #f59e0b 100%);
    color: #000;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 4px 16px;
    border-bottom-left-radius: 12px;
}

.card-flower-petal {
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 1.5rem;
    opacity: 0.3;
    pointer-events: none;
}

.plan-header {
    margin-bottom: 24px;
}

.plan-title-cn {
    font-size: 1.8rem;
    color: #ffffff;
    font-weight: 700;
    letter-spacing: 1px;
}

.plan-title-en {
    font-size: 1rem;
    color: var(--accent-gold-light);
    font-style: italic;
    font-family: serif;
    letter-spacing: 2px;
    margin-top: 4px;
}

.plan-price {
    margin-bottom: 30px;
    color: var(--accent-gold-light);
    display: flex;
    align-items: baseline;
}

.plan-price .currency {
    font-size: 1.8rem;
    font-weight: 400;
    margin-right: 4px;
}

.plan-price .price-val {
    font-size: 3.8rem;
    font-weight: 700;
    font-family: serif;
    line-height: 1;
}

.plan-price .period {
    font-size: 1rem;
    color: #9ca3af;
    margin-left: 6px;
}

.plan-features {
    list-style: none;
    margin-bottom: 36px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
}

.plan-features li {
    color: #d1d5db;
    font-size: 0.98rem;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.plan-features li strong {
    color: #fff;
}

/* 图2 细线金框按钮 */
.btn-plan-gold {
    display: block;
    width: 100%;
    text-align: center;
    padding: 14px;
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold-light);
    background: transparent;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: 2px;
    transition: var(--transition);
}

.btn-plan-gold:hover {
    background: var(--accent-gold);
    color: #000;
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.4);
}

.btn-gold-fill {
    background: var(--accent-gold);
    color: #000;
}
.btn-gold-fill:hover {
    background: var(--accent-gold-light);
}

/* 使用教程与下载中心 */
.tutorials-section {
    padding: 80px 5%;
    max-width: 1280px;
    margin: 0 auto;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.client-card {
    padding: 28px;
    text-align: center;
}

.client-icon {
    font-size: 2.8rem;
    margin-bottom: 12px;
}

.client-card h3 {
    margin-bottom: 8px;
}

.client-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.client-btns {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.setup-steps {
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.step-item {
    flex: 1;
    text-align: center;
}

.step-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-glow);
    margin-bottom: 8px;
}

.step-item h4 {
    font-size: 1.1rem;
    margin-bottom: 6px;
}

.step-item p {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.step-arrow {
    font-size: 1.8rem;
    color: var(--accent-emerald);
}

/* 文章专区 */
.blog-section {
    padding: 80px 5%;
    max-width: 1280px;
    margin: 0 auto;
}

.blog-toc {
    padding: 28px;
    margin-bottom: 40px;
}

.blog-toc h3 {
    font-size: 1.2rem;
    margin-bottom: 16px;
    color: var(--accent-glow);
}

.blog-toc ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 12px;
}

.blog-toc a {
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition);
}

.blog-toc a:hover {
    color: var(--accent-glow);
    padding-left: 6px;
}

.blog-articles {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.article-card {
    padding: 40px;
}

.category-tag {
    font-size: 0.8rem;
    padding: 4px 12px;
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-glow);
    border-radius: 20px;
    display: inline-block;
    margin-bottom: 12px;
}

.article-header h2 {
    font-size: 1.7rem;
    margin-bottom: 8px;
    line-height: 1.3;
}

.article-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding-bottom: 12px;
}

.article-body {
    color: #d1d5db;
    font-size: 1rem;
    line-height: 1.8;
}

.article-body p {
    margin-bottom: 16px;
}

.article-body h3 {
    color: var(--text-main);
    font-size: 1.3rem;
    margin: 24px 0 12px;
}

.article-body ul, .article-body ol {
    margin: 0 0 16px 24px;
}

.article-body li {
    margin-bottom: 6px;
}

.article-body a {
    color: var(--accent-glow);
    text-decoration: underline;
}

/* 表格 */
.table-wrapper {
    overflow-x: auto;
    margin: 20px 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
}

th, td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

th {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-glow);
}

/* FAQ 区域 (文章内 & 全局) */
.article-faq {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px dashed var(--bg-card-border);
}

.article-faq h4 {
    font-size: 1.1rem;
    color: var(--accent-gold-light);
    margin-bottom: 16px;
}

.faq-item {
    background: rgba(0, 0, 0, 0.25);
    padding: 14px 18px;
    border-radius: 10px;
    margin-bottom: 10px;
    border-left: 3px solid var(--accent-emerald);
}

.faq-q {
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 4px;
}

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

.global-faq-section {
    padding: 80px 5%;
    max-width: 1280px;
    margin: 0 auto;
}

.faq-container {
    padding: 36px;
}

.faq-row {
    padding: 18px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.faq-row:last-child {
    border-bottom: none;
}

.faq-question {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-glow);
    margin-bottom: 6px;
}

.faq-answer {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* 评价 Section */
.reviews-section {
    padding: 80px 5%;
    max-width: 1280px;
    margin: 0 auto;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.review-card {
    padding: 28px;
}

.review-user {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
}

.avatar {
    font-size: 2.2rem;
}

.user-meta h4 {
    font-size: 1rem;
}

.user-meta .role {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.stars {
    margin-bottom: 12px;
    font-size: 0.9rem;
}

.review-card p {
    font-size: 0.92rem;
    color: var(--text-muted);
    font-style: italic;
}

/* CTA 底部 */
.cta-section {
    padding: 60px 5% 100px;
    max-width: 1280px;
    margin: 0 auto;
}

.cta-card {
    padding: 60px;
    text-align: center;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(10, 15, 13, 0.9) 100%);
}

.cta-card h2 {
    font-size: 2.2rem;
    margin-bottom: 16px;
}

.cta-card p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

/* 页脚 */
.footer {
    background: #060907;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 60px 5% 30px;
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 12px;
}

.footer-links h4, .footer-seo h4 {
    margin-bottom: 16px;
    color: var(--accent-glow);
}

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

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 8px;
}

.seo-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.seo-tags span {
    font-size: 0.75rem;
    background: rgba(255,255,255,0.05);
    padding: 3px 8px;
    border-radius: 4px;
    color: var(--text-muted);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-bottom a {
    color: var(--text-muted);
}

/* 响应式调整 */
@media (max-width: 992px) {
    .hero-section {
        grid-template-columns: 1fr;
    }
    .setup-steps {
        flex-direction: column;
    }
    .step-arrow {
        transform: rotate(90deg);
    }
    .footer-content {
        grid-template-columns: 1fr;
    }
}