/* ============================================================
   全局样式与设计令牌 (Design Tokens)
============================================================ */
:root {
    --bg-primary: #090d16;
    --bg-secondary: #0f172a;
    --card-bg: rgba(18, 26, 47, 0.65);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-border-hover: rgba(56, 189, 248, 0.3);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-blue: #38bdf8;
    --accent-cyan: #06b6d4;
    --accent-indigo: #6366f1;
    --accent-purple: #a855f7;
    --accent-green: #10b981;
    
    --gradient-brand: linear-gradient(135deg, #38bdf8 0%, #818cf8 50%, #c084fc 100%);
    --gradient-glow: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, rgba(99, 102, 241, 0.05) 50%, transparent 70%);
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 12px 28px -4px rgba(0, 0, 0, 0.4), 0 8px 12px -6px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(56, 189, 248, 0.18);
    
    --font-sans: 'Plus Jakarta Sans', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================================
   基础重置
============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    min-height: 100%;
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

/* ============================================================
   动态发光球体与网格背景
============================================================ */
.bg-glow-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.glow-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.55;
    animation: floatAnimation 18s ease-in-out infinite alternate;
}

.sphere-1 {
    width: 500px;
    height: 500px;
    top: -100px;
    left: -100px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.45) 0%, rgba(14, 165, 233, 0.1) 70%);
}

.sphere-2 {
    width: 600px;
    height: 600px;
    bottom: -150px;
    right: -100px;
    background: radial-gradient(circle, rgba(129, 140, 248, 0.35) 0%, rgba(99, 102, 241, 0.08) 70%);
    animation-duration: 22s;
    animation-delay: -5s;
}

.sphere-3 {
    width: 380px;
    height: 380px;
    top: 40%;
    left: 60%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.25) 0%, transparent 70%);
    animation-duration: 15s;
    animation-delay: -10s;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 1) 20%, rgba(0, 0, 0, 0) 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 1) 20%, rgba(0, 0, 0, 0) 80%);
}

@keyframes floatAnimation {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(40px, 30px) scale(1.08); }
    100% { transform: translate(-30px, -20px) scale(0.95); }
}

/* ============================================================
   页面头部与状态条
============================================================ */
.site-header {
    position: relative;
    z-index: 10;
    width: 100%;
    padding: 24px 32px;
}

.header-content {
    max-width: 1040px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-blue);
    border-radius: 50%;
    position: relative;
    box-shadow: 0 0 10px var(--accent-blue);
}

.status-dot::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--accent-blue);
    opacity: 0.4;
    animation: pulseWave 2s infinite ease-out;
}

@keyframes pulseWave {
    0% { transform: scale(0.6); opacity: 0.8; }
    100% { transform: scale(1.8); opacity: 0; }
}

.config-trigger-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.config-trigger-btn:hover {
    background: rgba(56, 189, 248, 0.12);
    border-color: rgba(56, 189, 248, 0.3);
    color: var(--text-primary);
    transform: translateY(-1px);
}

/* ============================================================
   主卡片容器与玻璃拟态
============================================================ */
.main-container {
    position: relative;
    z-index: 10;
    max-width: 880px;
    margin: 20px auto 60px;
    padding: 0 20px;
}

.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md), 0 0 1px 1px rgba(255, 255, 255, 0.05) inset;
    padding: 56px 48px;
    text-align: center;
    transition: var(--transition);
}

.glass-card:hover {
    border-color: var(--card-border-hover);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

/* 视觉图标 */
.icon-wrapper {
    position: relative;
    width: 88px;
    height: 88px;
    margin: 0 auto 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-ring {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    background: conic-gradient(from 0deg, #38bdf8, #818cf8, #c084fc, #38bdf8);
    opacity: 0.6;
    animation: rotateRing 8s linear infinite;
    filter: blur(4px);
}

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

.main-icon {
    position: relative;
    width: 100%;
    height: 100%;
    background: #0f172a;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

/* 标题与副标题 */
.main-title {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
}

.subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 620px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

/* ============================================================
   进度展示与里程碑
============================================================ */
.progress-section {
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 36px;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.progress-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.progress-percent {
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-blue);
}

.progress-bar-bg {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 24px;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #38bdf8, #818cf8);
    border-radius: var(--radius-full);
    position: relative;
    transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.progress-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-image: linear-gradient(
        -45deg,
        rgba(255, 255, 255, 0.2) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0.2) 75%,
        transparent 75%,
        transparent
    );
    background-size: 30px 30px;
    animation: moveStripes 2s linear infinite;
}

@keyframes moveStripes {
    0% { background-position: 0 0; }
    100% { background-position: 30px 0; }
}

.milestones-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.milestone-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-sm);
    text-align: left;
    transition: var(--transition);
}

.milestone-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.milestone-item.completed .milestone-icon {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.milestone-item.active .milestone-icon {
    background: rgba(56, 189, 248, 0.15);
    border: 1px solid rgba(56, 189, 248, 0.4);
}

.loading-spin {
    width: 12px;
    height: 12px;
    border: 2px solid transparent;
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.milestone-item.pending .milestone-icon {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
}

.milestone-text {
    display: flex;
    flex-direction: column;
}

.milestone-text strong {
    font-size: 0.8rem;
    color: var(--text-primary);
}

.milestone-text span {
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* ============================================================
   倒计时模块
============================================================ */
.countdown-container {
    margin-bottom: 36px;
}

.countdown-title {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.countdown-timer {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.countdown-box {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    min-width: 74px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.countdown-box .num {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
}

.countdown-box .label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.countdown-sep {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-top: -12px;
}

/* ============================================================
   联系方式与非经营性说明卡片
============================================================ */
.contact-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px dashed rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    padding: 18px 24px;
    max-width: 580px;
    margin: 0 auto;
}

.contact-info-grid {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.info-row {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.86rem;
}

.info-label {
    color: var(--text-muted);
}

.info-value {
    color: var(--accent-blue);
    font-weight: 500;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.contact-item a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: var(--transition);
}

.contact-item a:hover {
    text-decoration: underline;
    color: #7dd3fc;
}

.note-item {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ============================================================
   底部合规备案区域 (ICP备案审核关键)
============================================================ */
.site-footer {
    position: relative;
    z-index: 10;
    width: 100%;
    padding: 30px 20px 48px;
    background: rgba(9, 13, 22, 0.85);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.footer-container {
    max-width: 960px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.beian-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.beian-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.beian-icon {
    width: 16px;
    height: 16px;
    color: var(--accent-blue);
    flex-shrink: 0;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
}

.footer-link:hover {
    color: var(--accent-blue);
    text-decoration: underline;
}

.footer-disclaimer {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.link-highlight {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 500;
}

.link-highlight:hover {
    text-decoration: underline;
}

/* ============================================================
   配置弹窗组件
============================================================ */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal-panel {
    max-width: 480px;
    width: 100%;
    text-align: left;
    padding: 32px;
    transform: translateY(20px) scale(0.96);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.active .modal-panel {
    transform: translateY(0) scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.6rem;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
    transition: var(--transition);
}

.close-btn:hover {
    color: var(--text-primary);
}

.modal-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.5;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-group .required {
    color: #f43f5e;
    font-size: 0.75rem;
}

.form-input {
    width: 100%;
    padding: 10px 14px;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
}

.form-input:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
}

.btn {
    padding: 9px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
}

.btn-primary {
    background: linear-gradient(135deg, #38bdf8, #6366f1);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(56, 189, 248, 0.3);
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(56, 189, 248, 0.4);
}

/* ============================================================
   自适应响应式适配
============================================================ */
@media (max-width: 768px) {
    .glass-card {
        padding: 40px 24px;
    }

    .main-title {
        font-size: 2rem;
    }

    .milestones-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .countdown-box {
        min-width: 60px;
        padding: 10px 12px;
    }

    .countdown-box .num {
        font-size: 1.4rem;
    }

    .countdown-sep {
        font-size: 1.1rem;
    }

    .site-header {
        padding: 16px 20px;
    }

    .beian-row {
        flex-direction: column;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .milestones-grid {
        grid-template-columns: 1fr;
    }

    .main-title {
        font-size: 1.7rem;
    }
    
    .countdown-timer {
        gap: 6px;
    }
}