/* ============================================
   弹幕星球 - Danmaku Planet Main Stylesheet
   CSS Prefix: danmu-
   Version: 1.0
   ============================================ */

/* --- Google Fonts Local Fallback --- */
@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=VT323&display=swap');

/* --- CSS Variables --- */
:root {
    --danmu-primary: #2E0854;
    --danmu-secondary: #FF00FF;
    --danmu-accent: #00FFFF;
    --danmu-text: #E0E0E0;
    --danmu-link: #FF00FF;
    --danmu-dark: #1a0033;
    --danmu-card-bg: rgba(46, 8, 84, 0.7);
    --danmu-border: rgba(255, 0, 255, 0.3);
    --danmu-glow-pink: 0 0 10px rgba(255, 0, 255, 0.5), 0 0 20px rgba(255, 0, 255, 0.3);
    --danmu-glow-cyan: 0 0 10px rgba(0, 255, 255, 0.5), 0 0 20px rgba(0, 255, 255, 0.3);
    --danmu-font-title: 'Press Start 2P', cursive;
    --danmu-font-body: 'VT323', monospace;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--danmu-font-body);
    background-color: var(--danmu-dark);
    color: var(--danmu-text);
    line-height: 1.8;
    font-size: 1.25rem;
    overflow-x: hidden;
    position: relative;
}

/* --- Jammer Block (SEO Interference) --- */
.bullet-jammer-block {
    display: none !important;
    visibility: hidden;
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

/* --- Floating Danmaku Background --- */
.danmu-bg-danmaku {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.danmu-bg-danmaku .danmu-float-text {
    position: absolute;
    white-space: nowrap;
    font-family: var(--danmu-font-body);
    font-size: 1rem;
    opacity: 0.06;
    animation: danmu-float-across 20s linear infinite;
    color: var(--danmu-secondary);
}

.danmu-bg-danmaku .danmu-float-text:nth-child(even) {
    color: var(--danmu-accent);
    animation-duration: 25s;
}

.danmu-bg-danmaku .danmu-float-text:nth-child(3n) {
    animation-duration: 30s;
    font-size: 0.8rem;
}

@keyframes danmu-float-across {
    0% { transform: translateX(100vw); }
    100% { transform: translateX(-200%); }
}

/* --- Scanline Overlay --- */
.danmu-scanline-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.03) 2px,
        rgba(0, 0, 0, 0.03) 4px
    );
}

/* --- Navigation --- */
.danmu-header {
    background: rgba(46, 8, 84, 0.85);
    border-bottom: 2px solid var(--danmu-border);
    padding: 0.8rem 1.5rem;
    z-index: 1000;
    position: relative;
    box-shadow: 0 2px 20px rgba(255, 0, 255, 0.15);
}

.danmu-nav-container {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.danmu-logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 0.6rem;
}

.danmu-logo-img {
    width: 40px;
    height: 40px;
    image-rendering: pixelated;
}

.sp-logo-text {
    font-family: var(--danmu-font-title);
    font-size: 0.7rem;
    color: var(--danmu-secondary);
    text-shadow: var(--danmu-glow-pink);
    letter-spacing: 1px;
}

.danmu-nav-list {
    list-style: none;
    display: flex;
    gap: 1.2rem;
    align-items: center;
}

.danmu-nav-list li a {
    font-family: var(--danmu-font-title);
    font-size: 0.55rem;
    color: var(--danmu-text);
    text-decoration: none;
    padding: 0.5rem 0.8rem;
    transition: all 0.3s ease;
    position: relative;
}

.danmu-nav-list li a:hover,
.danmu-nav-list li a.danmu-active {
    color: var(--danmu-secondary);
    text-shadow: var(--danmu-glow-pink);
}

.danmu-nav-list li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--danmu-secondary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.danmu-nav-list li a:hover::after {
    width: 100%;
}

/* --- Hamburger Menu (Mobile) --- */
.danmu-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
    z-index: 1100;
}

.danmu-hamburger span {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--danmu-secondary);
    transition: all 0.3s ease;
    box-shadow: var(--danmu-glow-pink);
}

.danmu-hamburger.danmu-open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.danmu-hamburger.danmu-open span:nth-child(2) {
    opacity: 0;
}

.danmu-hamburger.danmu-open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

.danmu-mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: rgba(26, 0, 51, 0.97);
    z-index: 1050;
    transition: right 0.4s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    overflow: hidden;
}

.danmu-mobile-menu.danmu-open {
    right: 0;
}

.danmu-mobile-menu a {
    font-family: var(--danmu-font-title);
    font-size: 0.8rem;
    color: var(--danmu-text);
    text-decoration: none;
    padding: 1rem 2rem;
    transition: all 0.3s ease;
}

.danmu-mobile-menu a:hover {
    color: var(--danmu-secondary);
    text-shadow: var(--danmu-glow-pink);
}

/* --- Hero Section --- */
.danmu-hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--danmu-dark) 0%, var(--danmu-primary) 50%, #1a0044 100%);
}

.danmu-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
    z-index: 1;
}

.danmu-hero-content {
    position: relative;
    z-index: 2;
    padding: 2rem;
    max-width: 900px;
}

.danmu-hero-content h1 {
    font-family: var(--danmu-font-title);
    font-size: 2rem;
    color: var(--danmu-secondary);
    text-shadow: var(--danmu-glow-pink);
    margin-bottom: 1.5rem;
    animation: danmu-neon-flicker 3s infinite alternate;
}

.danmu-hero-content p {
    font-size: 1.4rem;
    color: var(--danmu-text);
    margin-bottom: 2rem;
    line-height: 2;
}

.danmu-hero-content .danmu-cta-btn {
    display: inline-block;
    font-family: var(--danmu-font-title);
    font-size: 0.7rem;
    padding: 1rem 2.5rem;
    background: var(--danmu-primary);
    color: var(--danmu-secondary);
    border: 2px solid var(--danmu-secondary);
    text-decoration: none;
    box-shadow: var(--danmu-glow-pink);
    transition: all 0.3s ease;
    cursor: pointer;
}

.danmu-hero-content .danmu-cta-btn:hover {
    background: var(--danmu-secondary);
    color: var(--danmu-dark);
    box-shadow: 0 0 30px rgba(255, 0, 255, 0.8);
}

@keyframes danmu-neon-flicker {
    0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
        text-shadow: var(--danmu-glow-pink);
        opacity: 1;
    }
    20%, 24%, 55% {
        text-shadow: none;
        opacity: 0.8;
    }
}

/* --- Section Common --- */
.danmu-section {
    position: relative;
    z-index: 1;
    padding: 4rem 1.5rem;
    max-width: 1440px;
    margin: 0 auto;
}

.danmu-section-title {
    font-family: var(--danmu-font-title);
    font-size: 1rem;
    color: var(--danmu-accent);
    text-shadow: var(--danmu-glow-cyan);
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.danmu-section-subtitle {
    font-family: var(--danmu-font-body);
    font-size: 1.2rem;
    color: var(--danmu-text);
    margin-bottom: 2.5rem;
    opacity: 0.8;
}

.danmu-section-divider {
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--danmu-secondary), var(--danmu-accent), transparent);
    margin: 0 auto 4rem;
    opacity: 0.5;
}

/* --- Card Grid --- */
.danmu-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.danmu-card {
    background: var(--danmu-card-bg);
    border: 1px solid var(--danmu-border);
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.danmu-card:hover {
    border-color: var(--danmu-secondary);
    box-shadow: var(--danmu-glow-pink);
    transform: translateY(-4px);
}

.danmu-card-img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    display: block;
}

.danmu-card-body {
    padding: 1rem;
}

.danmu-card-body h3 {
    font-family: var(--danmu-font-title);
    font-size: 0.6rem;
    color: var(--danmu-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.danmu-card-body p {
    font-size: 1.1rem;
    color: var(--danmu-text);
    opacity: 0.8;
}

.danmu-card-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    font-family: var(--danmu-font-title);
    font-size: 0.5rem;
    padding: 0.3rem 0.6rem;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: var(--danmu-dark);
    z-index: 3;
}

.danmu-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.6;
}

/* --- Waterfall / Masonry Layout --- */
.danmu-masonry {
    columns: 3;
    column-gap: 1.5rem;
}

.danmu-masonry .danmu-card {
    break-inside: avoid;
    margin-bottom: 1.5rem;
}

/* --- Ranking / Leaderboard --- */
.danmu-leaderboard {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--danmu-border);
    padding: 1.5rem;
    font-family: var(--danmu-font-body);
}

.danmu-leaderboard-header {
    display: grid;
    grid-template-columns: 60px 1fr 100px 100px;
    gap: 1rem;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--danmu-border);
    font-family: var(--danmu-font-title);
    font-size: 0.5rem;
    color: var(--danmu-accent);
}

.danmu-leaderboard-row {
    display: grid;
    grid-template-columns: 60px 1fr 100px 100px;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 0, 255, 0.1);
    align-items: center;
    transition: background 0.3s ease;
}

.danmu-leaderboard-row:hover {
    background: rgba(255, 0, 255, 0.05);
}

.danmu-leaderboard-rank {
    font-family: var(--danmu-font-title);
    font-size: 0.8rem;
    color: var(--danmu-secondary);
    text-align: center;
}

.danmu-leaderboard-user {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.danmu-leaderboard-avatar {
    width: 40px;
    height: 40px;
    border-radius: 0;
    border: 2px solid var(--danmu-accent);
    image-rendering: pixelated;
}

.danmu-leaderboard-name {
    color: var(--danmu-accent);
    font-size: 1.2rem;
}

.danmu-leaderboard-score {
    text-align: center;
    color: var(--danmu-secondary);
    font-size: 1.2rem;
}

/* --- Timeline / Schedule --- */
.danmu-timeline {
    position: relative;
    padding-left: 2rem;
}

.danmu-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--danmu-secondary), var(--danmu-accent));
}

.danmu-timeline-item {
    position: relative;
    padding: 1.5rem 0 1.5rem 2rem;
    border-bottom: 1px solid rgba(255, 0, 255, 0.1);
}

.danmu-timeline-item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 1.8rem;
    width: 12px;
    height: 12px;
    background: var(--danmu-secondary);
    border: 2px solid var(--danmu-accent);
    box-shadow: var(--danmu-glow-pink);
    transform: translateX(-5px);
}

.danmu-timeline-date {
    font-family: var(--danmu-font-title);
    font-size: 0.5rem;
    color: var(--danmu-accent);
    margin-bottom: 0.3rem;
}

.danmu-timeline-title {
    font-size: 1.3rem;
    color: var(--danmu-secondary);
    margin-bottom: 0.3rem;
}

.danmu-timeline-desc {
    font-size: 1.1rem;
    opacity: 0.7;
}

/* --- News Grid --- */
.danmu-news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.danmu-news-card {
    background: var(--danmu-card-bg);
    border: 1px solid var(--danmu-border);
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.danmu-news-card:hover {
    border-color: var(--danmu-accent);
    box-shadow: var(--danmu-glow-cyan);
}

.danmu-news-card h3 {
    font-family: var(--danmu-font-title);
    font-size: 0.55rem;
    color: var(--danmu-accent);
    margin-bottom: 0.8rem;
    line-height: 1.8;
}

.danmu-news-card p {
    font-size: 1.1rem;
    opacity: 0.8;
    margin-bottom: 0.8rem;
}

.danmu-news-card .danmu-news-date {
    font-size: 0.9rem;
    color: var(--danmu-secondary);
    opacity: 0.6;
}

/* --- BBS / Community --- */
.danmu-bbs-list {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--danmu-border);
}

.danmu-bbs-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(255, 0, 255, 0.1);
    transition: background 0.3s ease;
}

.danmu-bbs-item:hover {
    background: rgba(255, 0, 255, 0.05);
}

.danmu-bbs-item .danmu-bbs-avatar {
    width: 36px;
    height: 36px;
    border: 1px solid var(--danmu-accent);
    image-rendering: pixelated;
    flex-shrink: 0;
}

.danmu-bbs-item .danmu-bbs-content {
    flex: 1;
}

.danmu-bbs-item .danmu-bbs-title {
    color: var(--danmu-accent);
    font-size: 1.15rem;
    text-decoration: none;
    transition: color 0.3s ease;
}

.danmu-bbs-item .danmu-bbs-title:hover {
    color: var(--danmu-secondary);
}

.danmu-bbs-item .danmu-bbs-info {
    font-size: 0.9rem;
    opacity: 0.5;
    margin-top: 0.2rem;
}

.danmu-bbs-item .danmu-bbs-replies {
    font-family: var(--danmu-font-title);
    font-size: 0.5rem;
    color: var(--danmu-secondary);
    text-align: center;
    min-width: 50px;
}

/* --- Energy Station / Membership --- */
.danmu-membership-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.danmu-membership-card {
    background: var(--danmu-card-bg);
    border: 2px solid var(--danmu-border);
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.danmu-membership-card:hover {
    border-color: var(--danmu-secondary);
    box-shadow: var(--danmu-glow-pink);
}

.danmu-membership-card.danmu-featured {
    border-color: var(--danmu-accent);
    box-shadow: var(--danmu-glow-cyan);
}

.danmu-membership-card h3 {
    font-family: var(--danmu-font-title);
    font-size: 0.7rem;
    color: var(--danmu-accent);
    margin-bottom: 1rem;
}

.danmu-membership-price {
    font-family: var(--danmu-font-title);
    font-size: 1.5rem;
    color: var(--danmu-secondary);
    margin-bottom: 1.5rem;
}

.danmu-membership-features {
    list-style: none;
    margin-bottom: 2rem;
}

.danmu-membership-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 0, 255, 0.1);
    font-size: 1.1rem;
}

.danmu-membership-features li::before {
    content: '> ';
    color: var(--danmu-accent);
}

/* --- Buttons --- */
.danmu-btn {
    display: inline-block;
    font-family: var(--danmu-font-title);
    font-size: 0.55rem;
    padding: 0.8rem 1.8rem;
    background: var(--danmu-primary);
    color: var(--danmu-secondary);
    border: 2px solid var(--danmu-secondary);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--danmu-glow-pink);
}

.danmu-btn:hover {
    background: var(--danmu-secondary);
    color: var(--danmu-dark);
}

.danmu-btn-cyan {
    border-color: var(--danmu-accent);
    color: var(--danmu-accent);
    box-shadow: var(--danmu-glow-cyan);
}

.danmu-btn-cyan:hover {
    background: var(--danmu-accent);
    color: var(--danmu-dark);
}

/* --- Footer --- */
.danmu-footer {
    position: relative;
    z-index: 1;
    background: rgba(26, 0, 51, 0.95);
    border-top: 2px solid var(--danmu-border);
    padding: 3rem 1.5rem 1.5rem;
    margin-top: 4rem;
}

.danmu-footer-grid {
    max-width: 1440px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--danmu-border);
}

.danmu-footer-col h4 {
    font-family: var(--danmu-font-title);
    font-size: 0.55rem;
    color: var(--danmu-accent);
    margin-bottom: 1rem;
    text-shadow: var(--danmu-glow-cyan);
}

.danmu-footer-col p,
.danmu-footer-col a {
    font-size: 1.1rem;
    color: var(--danmu-text);
    opacity: 0.7;
    line-height: 2;
}

.danmu-footer-col a {
    text-decoration: none;
    transition: color 0.3s ease;
    display: inline-block;
}

.danmu-footer-col a:hover {
    color: var(--danmu-secondary);
    opacity: 1;
}

.danmu-footer-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.danmu-footer-bottom {
    max-width: 1440px;
    margin: 1.5rem auto 0;
    text-align: center;
    font-size: 1rem;
    opacity: 0.6;
}

.danmu-footer-bottom p {
    margin-bottom: 0.5rem;
}

.danmu-footer-bottom a {
    color: var(--danmu-link);
    text-decoration: none;
}

.danmu-footer-bottom a:hover {
    text-decoration: underline;
}

.danmu-footer-honor {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 0, 255, 0.15);
    font-size: 0.95rem;
    opacity: 0.5;
    text-align: center;
}

/* --- Page Banner (Inner Pages) --- */
.danmu-page-banner {
    position: relative;
    min-height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--danmu-dark), var(--danmu-primary));
    overflow: hidden;
}

.danmu-page-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.danmu-page-banner-content {
    position: relative;
    z-index: 2;
    padding: 2rem;
}

.danmu-page-banner-content h1 {
    font-family: var(--danmu-font-title);
    font-size: 1.5rem;
    color: var(--danmu-secondary);
    text-shadow: var(--danmu-glow-pink);
    margin-bottom: 1rem;
}

.danmu-page-banner-content p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.8;
}

/* --- Content Area (Inner Pages) --- */
.danmu-content-area {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
}

.danmu-content-area h2 {
    font-family: var(--danmu-font-title);
    font-size: 0.8rem;
    color: var(--danmu-accent);
    margin: 2rem 0 1rem;
    text-shadow: var(--danmu-glow-cyan);
}

.danmu-content-area p {
    font-size: 1.2rem;
    line-height: 2;
    margin-bottom: 1.5rem;
}

/* --- Danmaku Pool Canvas Page --- */
.danmu-pool-container {
    position: relative;
    z-index: 1;
    max-width: 1440px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    display: grid;
    grid-template-columns: 200px 1fr 250px;
    gap: 1.5rem;
    min-height: 80vh;
}

.danmu-pool-toolbar {
    background: var(--danmu-card-bg);
    border: 1px solid var(--danmu-border);
    padding: 1rem;
}

.danmu-pool-toolbar h3 {
    font-family: var(--danmu-font-title);
    font-size: 0.5rem;
    color: var(--danmu-accent);
    margin-bottom: 1rem;
}

.danmu-pool-canvas-wrap {
    background: #000;
    border: 2px solid var(--danmu-border);
    position: relative;
    min-height: 500px;
}

.danmu-pool-canvas-wrap canvas {
    width: 100%;
    height: 100%;
    display: block;
    cursor: crosshair;
}

.danmu-pool-sidebar {
    background: var(--danmu-card-bg);
    border: 1px solid var(--danmu-border);
    padding: 1rem;
}

.danmu-pool-sidebar h3 {
    font-family: var(--danmu-font-title);
    font-size: 0.5rem;
    color: var(--danmu-accent);
    margin-bottom: 1rem;
}

.danmu-color-palette {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.danmu-color-swatch {
    width: 100%;
    aspect-ratio: 1;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
}

.danmu-color-swatch:hover,
.danmu-color-swatch.danmu-active {
    border-color: #fff;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}

.danmu-brush-size {
    margin-bottom: 1rem;
}

.danmu-brush-size label {
    display: block;
    font-size: 1rem;
    margin-bottom: 0.3rem;
    color: var(--danmu-accent);
}

.danmu-brush-size input[type="range"] {
    width: 100%;
    accent-color: var(--danmu-secondary);
}

/* --- App Download Page --- */
.danmu-app-section {
    position: relative;
    z-index: 1;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 3rem 1.5rem;
}

.danmu-app-content {
    max-width: 700px;
}

.danmu-app-content h1 {
    font-family: var(--danmu-font-title);
    font-size: 1.2rem;
    color: var(--danmu-accent);
    text-shadow: var(--danmu-glow-cyan);
    margin-bottom: 1rem;
}

.danmu-app-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    line-height: 2;
}

.danmu-app-qr {
    width: 200px;
    height: 200px;
    margin: 2rem auto;
    border: 3px solid var(--danmu-secondary);
    box-shadow: var(--danmu-glow-pink);
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
}

.danmu-app-stores {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

/* --- Responsive Breakpoints --- */

/* 1440px */
@media (max-width: 1440px) {
    .danmu-section {
        max-width: 1200px;
    }
}

/* 1024px */
@media (max-width: 1024px) {
    .danmu-masonry {
        columns: 2;
    }

    .danmu-pool-container {
        grid-template-columns: 1fr;
    }

    .danmu-pool-toolbar,
    .danmu-pool-sidebar {
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .danmu-footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* 768px */
@media (max-width: 768px) {
    .danmu-nav-list {
        display: none;
    }

    .danmu-hamburger {
        display: flex;
    }

    .danmu-hero-content h1 {
        font-size: 1.2rem;
    }

    .danmu-hero {
        min-height: 70vh;
    }

    .danmu-card-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .danmu-masonry {
        columns: 2;
    }

    .danmu-leaderboard-header,
    .danmu-leaderboard-row {
        grid-template-columns: 40px 1fr 60px 60px;
        font-size: 0.9rem;
    }

    .danmu-membership-grid {
        grid-template-columns: 1fr;
    }

    .danmu-news-grid {
        grid-template-columns: 1fr;
    }

    .danmu-page-banner {
        min-height: 30vh;
    }

    .danmu-page-banner-content h1 {
        font-size: 1rem;
    }
}

/* 360px */
@media (max-width: 360px) {
    html {
        font-size: 14px;
    }

    .danmu-hero-content h1 {
        font-size: 0.9rem;
    }

    .danmu-card-grid {
        grid-template-columns: 1fr;
    }

    .danmu-masonry {
        columns: 1;
    }

    .danmu-section {
        padding: 2rem 1rem;
    }

    .sp-logo-text {
        font-size: 0.5rem;
    }
}

/* --- Utility Classes --- */
.danmu-text-center { text-align: center; }
.danmu-text-glow-pink { text-shadow: var(--danmu-glow-pink); }
.danmu-text-glow-cyan { text-shadow: var(--danmu-glow-cyan); }
.danmu-mt-2 { margin-top: 2rem; }
.danmu-mb-2 { margin-bottom: 2rem; }
.danmu-hidden { display: none; }