/* ============================================================
   OPhO — 暂停服务通知页面样式
   ============================================================ */

/* ── 1. 自定义属性 ── */
:root {
    --bg-primary:    #060a13;
    --bg-secondary:  #0c1222;
    --bg-card:       rgba(12, 18, 34, 0.92);
    --cyan:          #00d4ff;
    --cyan-dim:      #0891b2;
    --purple:        #8b5cf6;
    --purple-dim:    #6d28d9;
    --amber:         #f59e0b;
    --text-primary:  #e2e8f0;
    --text-secondary:#94a3b8;
    --text-dim:      #64748b;
    --glow-cyan:     rgba(0, 212, 255, 0.15);
    --glow-purple:   rgba(139, 92, 246, 0.12);
    --font-sans:     "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
                     "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
                     "Helvetica Neue", Arial, sans-serif;
    --font-serif:    "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
    --transition:    0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── 2. 重置 & 基础样式 ── */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background:
        radial-gradient(ellipse at 20% 0%, var(--glow-cyan) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, var(--glow-purple) 0%, transparent 50%),
        var(--bg-primary);
    min-height: 100vh;
    line-height: 1.7;
    overflow-x: hidden;
}

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

img {
    display: block;
    max-width: 100%;
}

button {
    font: inherit;
    color: inherit;
    background: none;
    border: none;
    cursor: pointer;
}

::selection {
    background: rgba(0, 212, 255, 0.3);
    color: #fff;
}

/* ── 3. 画布 & 背景层 ── */
#particle-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.grid-overlay {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.025) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* ── 4. 页面容器 ── */
.page {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── 5. Hero 区域 ── */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    min-height: 100dvh;
    text-align: center;
    position: relative;
    padding: 60px 0 40px;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    animation: fadeInUp 1s ease-out both;
}

/* Logo */
.logo-container {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
}

.logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 0 20px var(--glow-cyan));
    animation: float 6s ease-in-out infinite;
}

.logo-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px solid rgba(0, 212, 255, 0.2);
    animation: ringPulse 4s ease-in-out infinite;
}

.logo-ring--delay {
    animation-delay: 2s;
    border-color: rgba(139, 92, 246, 0.15);
}

/* Title */
.hero-title {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.hero-title__en {
    font-size: clamp(1.2rem, 4vw, 1.8rem);
    font-weight: 700;
    letter-spacing: 0.05em;
    background: linear-gradient(
        90deg,
        var(--text-primary) 0%,
        var(--cyan) 50%,
        var(--text-primary) 100%
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 4s ease-in-out infinite;
}

.hero-title__zh {
    font-size: clamp(0.9rem, 2.5vw, 1.1rem);
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 0.3em;
}

/* Badge */
.hero-badge {
    display: inline-flex;
    padding: 6px 20px;
    border-radius: 999px;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    color: var(--cyan);
    border: 1px solid rgba(0, 212, 255, 0.25);
    background: rgba(0, 212, 255, 0.06);
}

/* Status */
.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--amber);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--amber);
    animation: blink 2s ease-in-out infinite;
    box-shadow: 0 0 8px rgba(245, 158, 11, 0.5);
}

/* Scroll Hint */
.scroll-hint {
    position: absolute;
    bottom: 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-dim);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    animation: fadeInUp 1s ease-out 1.2s both;
    transition: color var(--transition);
}

.scroll-hint:hover {
    color: var(--cyan);
}

.scroll-arrow {
    width: 16px;
    height: 16px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    animation: bounce 2.5s ease-in-out infinite;
}

/* ── 6. 通知区域 ── */
.notice {
    padding: 40px 0 80px;
}

.notice-card-outer {
    position: relative;
    border-radius: 20px;
    padding: 2px;
    overflow: hidden;
}

.notice-card-border {
    position: absolute;
    inset: 0;
    z-index: 0;
    border-radius: 20px;
    overflow: hidden;
}

.notice-card-border::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 140%;
    height: 140%;
    background: conic-gradient(
        from 0deg,
        transparent 0%,
        var(--cyan) 15%,
        transparent 30%,
        var(--purple) 50%,
        transparent 65%,
        var(--cyan) 80%,
        transparent 100%
    );
    transform: translate(-50%, -50%) rotate(0deg);
    animation: borderSpin 8s linear infinite;
}

.notice-card {
    position: relative;
    z-index: 1;
    background: var(--bg-card);
    border-radius: 18px;
    padding: 48px 40px;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
}

.notice-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}

.notice-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(0, 212, 255, 0.08);
    color: var(--cyan);
    flex-shrink: 0;
}

.notice-title {
    font-size: clamp(1.3rem, 3.5vw, 1.6rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary), var(--cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.notice-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.2), var(--glow-purple), transparent);
    margin-bottom: 28px;
}

.notice-body p {
    margin-bottom: 16px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.85;
}

.notice-body strong {
    color: var(--text-primary);
    font-weight: 600;
}

.notice-body em {
    color: var(--cyan);
    font-style: normal;
    font-weight: 500;
}

.notice-quote {
    margin: 32px 0;
    padding: 24px 28px;
    border-left: 3px solid var(--cyan);
    background: rgba(0, 212, 255, 0.04);
    border-radius: 0 12px 12px 0;
    font-family: var(--font-serif);
}

.notice-quote p {
    font-size: 1.15rem;
    color: var(--cyan);
    line-height: 1.8;
}

.notice-quote footer {
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--text-dim);
}

.notice-hope {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 2;
    padding-top: 8px;
    opacity: 0.85;
}

/* ── 7. 联系方式区域 ── */
.contact {
    padding: 0 0 80px;
    text-align: center;
}

.section-title {
    font-size: clamp(1.3rem, 3.5vw, 1.6rem);
    font-weight: 700;
    margin-bottom: 8px;
}

.section-subtitle {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 40px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    text-align: left;
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 28px 24px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition:
        transform var(--transition),
        border-color var(--transition),
        box-shadow var(--transition),
        background var(--transition);
    will-change: transform;
}

.contact-card:hover {
    border-color: rgba(0, 212, 255, 0.25);
    background: rgba(15, 23, 42, 0.85);
    box-shadow: 0 8px 40px rgba(0, 212, 255, 0.08);
    transform: translateY(-4px);
}

/* Card Icon */
.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    flex-shrink: 0;
    transition: transform var(--transition);
}

.contact-card:hover .card-icon {
    transform: scale(1.1);
}

.card-icon--qq {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(0, 212, 255, 0.05));
    color: var(--cyan);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.card-icon--bili {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(139, 92, 246, 0.05));
    color: var(--purple);
    border: 1px solid rgba(139, 92, 246, 0.2);
}

/* Card Body */
.card-body {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

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

.card-number {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: var(--cyan);
    font-variant-numeric: tabular-nums;
    font-weight: 500;
}

.card-name {
    font-size: 0.95rem;
    color: var(--purple);
    font-weight: 500;
}

.card-desc {
    font-size: 0.8rem;
    color: var(--text-dim);
}

.card-action {
    margin-top: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-dim);
    transition: color var(--transition);
}

.contact-card:hover .card-action {
    color: var(--cyan);
}

/* Copy Button */
.copy-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border-radius: 6px;
    color: var(--text-dim);
    transition: all var(--transition);
}

.copy-btn:hover {
    color: var(--cyan);
    background: rgba(0, 212, 255, 0.1);
}

.copy-btn:active {
    transform: scale(0.9);
}

/* ── 8. 页脚 ── */
.footer {
    padding: 48px 0 40px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-quote {
    margin-bottom: 24px;
}

.footer-quote p {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--text-dim);
    letter-spacing: 0.05em;
}

.footer-info p {
    font-size: 0.8rem;
    color: var(--text-dim);
    line-height: 1.8;
}

.footer-farewell {
    margin-top: 4px;
    letter-spacing: 0.15em;
    opacity: 0.7;
}

/* ── 9. Toast 组件 ── */
.toast {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%) translateY(30px);
    padding: 12px 28px;
    border-radius: 12px;
    font-size: 0.85rem;
    color: var(--cyan);
    background: rgba(12, 18, 34, 0.9);
    border: 1px solid rgba(0, 212, 255, 0.25);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
    white-space: nowrap;
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* ── 10. 滚动动画 ── */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 子元素依次出现 */
.contact-grid .animate-on-scroll:nth-child(2) {
    transition-delay: 0.15s;
}

/* ── 11. 关键帧动画 ── */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shimmer {
    0%, 100% { background-position: 200% center; }
    50%      { background-position: -200% center; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-8px); }
}

@keyframes ringPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.4;
    }
    50% {
        transform: scale(1.25);
        opacity: 0;
    }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.3; }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: rotate(45deg) translateY(0); }
    40%  { transform: rotate(45deg) translateY(-8px); }
    60%  { transform: rotate(45deg) translateY(-4px); }
}

@keyframes borderSpin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ── 12. 响应式设计 ── */

/* 平板 */
@media (max-width: 768px) {
    .page {
        padding: 0 20px;
    }

    .logo-container {
        width: 100px;
        height: 100px;
    }

    .logo {
        width: 64px;
        height: 64px;
    }

    .notice-card {
        padding: 32px 24px;
    }

    .notice-quote {
        padding: 20px 20px;
    }

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

    .hero {
        padding: 40px 0 32px;
    }
}

/* 手机 */
@media (max-width: 480px) {
    .page {
        padding: 0 16px;
    }

    .notice-card {
        padding: 28px 18px;
    }

    .notice-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .notice-quote p {
        font-size: 1rem;
    }

    .contact-card {
        padding: 22px 18px;
        gap: 16px;
    }

    .card-icon {
        width: 46px;
        height: 46px;
    }

    .footer-quote p {
        font-size: 0.95rem;
    }
}

/* 大屏 */
@media (min-width: 1200px) {
    .page {
        max-width: 860px;
    }
}

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .animate-on-scroll {
        opacity: 1;
        transform: none;
    }
}