/* ============================================
   羞羞漫画 - 少女漫画创作与连载平台
   主样式文件 xx-style.css
   CSS/ID前缀: xx-
   Mobile-First响应式设计
   ============================================ */

/* === CSS Variables === */
:root {
    --xx-pink: #FFC0CB;
    --xx-pink-light: #FFE4E9;
    --xx-pink-dark: #FF8FA3;
    --xx-purple: #483D8B;
    --xx-purple-light: #6A5ACD;
    --xx-white: #F5F5F5;
    --xx-white-pure: #FFFFFF;
    --xx-text-dark: #2D2D3F;
    --xx-text-light: #6B6B80;
    --xx-shadow: 0 4px 20px rgba(72, 61, 139, 0.1);
    --xx-shadow-hover: 0 8px 30px rgba(255, 192, 203, 0.3);
    --xx-radius: 16px;
    --xx-radius-sm: 10px;
    --xx-transition: all 0.3s ease;
    --xx-font-title: 'Rounded Mplus 1c', 'Microsoft YaHei', sans-serif;
    --xx-font-body: 'Source Han Sans', 'Microsoft YaHei', 'PingFang SC', sans-serif;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--xx-font-body);
    color: var(--xx-text-dark);
    background-color: var(--xx-white);
    line-height: 1.8;
    overflow-x: hidden;
}

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

a {
    color: var(--xx-purple);
    text-decoration: none;
    transition: var(--xx-transition);
}

a:hover {
    color: var(--xx-pink-dark);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--xx-font-title);
    line-height: 1.4;
    color: var(--xx-purple);
}

/* === Sparkle Particles Background === */
.xx-sparkle-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.xx-sparkle-bg .xx-star {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--xx-pink);
    border-radius: 50%;
    animation: xx-twinkle 3s infinite ease-in-out;
}

@keyframes xx-twinkle {
    0%, 100% { opacity: 0.2; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1.2); }
}

/* === Container === */
.xx-container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 16px;
}

/* === Navigation === */
.xx-nav {
    position: relative;
    background: rgba(255, 192, 203, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    z-index: 100;
    padding: 12px 0;
}

.xx-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.xx-nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--xx-purple);
}

.xx-nav-logo img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.xx-nav-logo-text {
    font-size: 0.75rem;
    color: var(--xx-text-light);
    display: block;
}

.xx-nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 4px;
    padding-top: 10px;
}

.xx-nav-links.xx-active {
    display: flex;
}

.xx-nav-link {
    display: block;
    padding: 10px 16px;
    color: var(--xx-purple);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--xx-radius-sm);
    transition: var(--xx-transition);
}

.xx-nav-link:hover,
.xx-nav-link.xx-current {
    color: var(--xx-purple-light);
    background: rgba(255, 255, 255, 0.5);
    transform: scale(1.02);
    text-shadow: 0 0 8px rgba(72, 61, 139, 0.3);
}

.xx-nav-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.xx-nav-search {
    display: none;
    padding: 8px 14px;
    border: 2px solid rgba(72, 61, 139, 0.2);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    color: var(--xx-text-dark);
    outline: none;
    width: 160px;
    transition: var(--xx-transition);
}

.xx-nav-search:focus {
    border-color: var(--xx-purple-light);
    box-shadow: 0 0 10px rgba(106, 90, 205, 0.2);
}

.xx-btn-create {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, var(--xx-purple), var(--xx-purple-light));
    color: var(--xx-white-pure);
    border: none;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--xx-transition);
    white-space: nowrap;
}

.xx-btn-create:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(72, 61, 139, 0.4);
    color: var(--xx-white-pure);
}

/* Hamburger Menu */
.xx-hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
    background: none;
    border: none;
}

.xx-hamburger span {
    width: 24px;
    height: 3px;
    background: var(--xx-purple);
    border-radius: 2px;
    transition: var(--xx-transition);
}

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

.xx-hamburger.xx-active span:nth-child(2) {
    opacity: 0;
}

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

/* === Hero Banner === */
.xx-hero {
    position: relative;
    width: 100%;
    min-height: 60vh;
    overflow: hidden;
    background: linear-gradient(135deg, var(--xx-pink-light), #E8D5F5);
}

.xx-hero-slider {
    position: relative;
    width: 100%;
    height: 60vh;
}

.xx-hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.xx-hero-slide.xx-active {
    opacity: 1;
}

.xx-hero-slide img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7);
}

.xx-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 20px;
    max-width: 600px;
}

.xx-hero-title {
    font-size: 1.8rem;
    color: var(--xx-white-pure);
    text-shadow: 0 2px 20px rgba(72, 61, 139, 0.5);
    margin-bottom: 12px;
}

.xx-hero-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.3);
    margin-bottom: 20px;
}

.xx-hero-btn {
    display: inline-block;
    padding: 12px 32px;
    background: linear-gradient(135deg, var(--xx-pink), var(--xx-pink-dark));
    color: var(--xx-white-pure);
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--xx-transition);
    box-shadow: 0 4px 20px rgba(255, 143, 163, 0.4);
}

.xx-hero-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 143, 163, 0.6);
    color: var(--xx-white-pure);
}

.xx-hero-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.xx-hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--xx-transition);
    border: none;
}

.xx-hero-dot.xx-active {
    background: var(--xx-pink);
    transform: scale(1.3);
}

/* === Section Common === */
.xx-section {
    padding: 40px 0;
    position: relative;
    z-index: 1;
}

.xx-section-title {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 8px;
    color: var(--xx-purple);
}

.xx-section-desc {
    text-align: center;
    color: var(--xx-text-light);
    margin-bottom: 30px;
    font-size: 0.9rem;
}

.xx-section-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--xx-pink), var(--xx-purple-light));
    margin: 0 auto 30px;
    border-radius: 2px;
}

/* === Card Grid === */
.xx-card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.xx-card {
    background: var(--xx-white-pure);
    border-radius: var(--xx-radius);
    overflow: hidden;
    box-shadow: var(--xx-shadow);
    transition: var(--xx-transition);
}

.xx-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--xx-shadow-hover);
}

.xx-card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.xx-card-body {
    padding: 16px;
}

.xx-card-title {
    font-size: 1.05rem;
    margin-bottom: 8px;
    color: var(--xx-purple);
}

.xx-card-text {
    font-size: 0.85rem;
    color: var(--xx-text-light);
    line-height: 1.6;
}

.xx-card-tag {
    display: inline-block;
    padding: 3px 10px;
    background: var(--xx-pink-light);
    color: var(--xx-pink-dark);
    border-radius: 12px;
    font-size: 0.75rem;
    margin-top: 8px;
}

/* === Ranking List === */
.xx-ranking {
    background: linear-gradient(135deg, #FFF0F3, #F0E6FF);
    border-radius: var(--xx-radius);
    padding: 24px;
}

.xx-ranking-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(72, 61, 139, 0.08);
}

.xx-ranking-item:last-child {
    border-bottom: none;
}

.xx-ranking-num {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
    background: var(--xx-pink-light);
    color: var(--xx-purple);
}

.xx-ranking-item:nth-child(1) .xx-ranking-num {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: var(--xx-white-pure);
}

.xx-ranking-item:nth-child(2) .xx-ranking-num {
    background: linear-gradient(135deg, #C0C0C0, #A8A8A8);
    color: var(--xx-white-pure);
}

.xx-ranking-item:nth-child(3) .xx-ranking-num {
    background: linear-gradient(135deg, #CD7F32, #B8860B);
    color: var(--xx-white-pure);
}

.xx-ranking-cover {
    width: 50px;
    height: 65px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.xx-ranking-info {
    flex: 1;
    min-width: 0;
}

.xx-ranking-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--xx-text-dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.xx-ranking-author {
    font-size: 0.8rem;
    color: var(--xx-text-light);
}

.xx-ranking-heat {
    font-size: 0.8rem;
    color: var(--xx-pink-dark);
    font-weight: 600;
    white-space: nowrap;
}

/* === Challenge Section === */
.xx-challenge-banner {
    background: linear-gradient(135deg, var(--xx-purple), var(--xx-purple-light));
    color: var(--xx-white-pure);
    border-radius: var(--xx-radius);
    padding: 30px 20px;
    text-align: center;
    margin-bottom: 24px;
}

.xx-challenge-theme {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.xx-challenge-countdown {
    font-size: 0.9rem;
    opacity: 0.85;
}

.xx-waterfall {
    columns: 2;
    column-gap: 12px;
}

.xx-waterfall-item {
    break-inside: avoid;
    margin-bottom: 12px;
    border-radius: var(--xx-radius-sm);
    overflow: hidden;
    box-shadow: var(--xx-shadow);
}

.xx-waterfall-item img {
    width: 100%;
    display: block;
}

/* === Artist Cards === */
.xx-artist-card {
    display: flex;
    gap: 16px;
    background: var(--xx-white-pure);
    border-radius: var(--xx-radius);
    padding: 20px;
    box-shadow: var(--xx-shadow);
    transition: var(--xx-transition);
    margin-bottom: 16px;
}

.xx-artist-card:hover {
    box-shadow: var(--xx-shadow-hover);
}

.xx-artist-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 3px solid var(--xx-pink-light);
}

.xx-artist-info {
    flex: 1;
}

.xx-artist-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--xx-purple);
    margin-bottom: 4px;
}

.xx-artist-bio {
    font-size: 0.85rem;
    color: var(--xx-text-light);
    line-height: 1.6;
}

/* === Gallery Tabs === */
.xx-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 24px;
}

.xx-tab-btn {
    padding: 8px 20px;
    border: 2px solid var(--xx-pink);
    background: transparent;
    color: var(--xx-purple);
    border-radius: 20px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--xx-transition);
    font-family: var(--xx-font-body);
}

.xx-tab-btn:hover,
.xx-tab-btn.xx-active {
    background: var(--xx-pink);
    color: var(--xx-white-pure);
}

.xx-tab-panel {
    display: none;
}

.xx-tab-panel.xx-active {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.xx-gallery-item {
    border-radius: var(--xx-radius-sm);
    overflow: hidden;
    box-shadow: var(--xx-shadow);
    transition: var(--xx-transition);
}

.xx-gallery-item:hover {
    transform: scale(1.03);
}

.xx-gallery-item img {
    width: 100%;
    height: 160px;
    object-fit: cover;
}

/* === News Ticker === */
.xx-news-ticker {
    background: var(--xx-white-pure);
    border-radius: var(--xx-radius);
    padding: 20px;
    box-shadow: var(--xx-shadow);
    height: 200px;
    overflow: hidden;
    position: relative;
}

.xx-news-list {
    list-style: none;
    animation: xx-scroll-up 20s linear infinite;
}

.xx-news-list:hover {
    animation-play-state: paused;
}

.xx-news-item {
    padding: 10px 0;
    border-bottom: 1px solid rgba(72, 61, 139, 0.06);
    font-size: 0.88rem;
    color: var(--xx-text-dark);
}

.xx-news-tag {
    display: inline-block;
    padding: 2px 8px;
    background: var(--xx-pink-light);
    color: var(--xx-pink-dark);
    border-radius: 8px;
    font-size: 0.72rem;
    margin-right: 6px;
}

@keyframes xx-scroll-up {
    0% { transform: translateY(0); }
    100% { transform: translateY(-50%); }
}

/* === CTA Recruit === */
.xx-recruit-card {
    background: linear-gradient(135deg, var(--xx-pink), #E8A0BF);
    border-radius: var(--xx-radius);
    padding: 40px 24px;
    text-align: center;
    color: var(--xx-white-pure);
}

.xx-recruit-title {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: var(--xx-white-pure);
}

.xx-recruit-text {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 20px;
    line-height: 1.7;
}

.xx-recruit-btn {
    display: inline-block;
    padding: 12px 36px;
    background: var(--xx-white-pure);
    color: var(--xx-purple);
    border-radius: 30px;
    font-weight: 700;
    transition: var(--xx-transition);
}

.xx-recruit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    color: var(--xx-purple);
}

/* === Footer === */
.xx-footer {
    background: linear-gradient(135deg, var(--xx-purple), #2D2654);
    color: rgba(255, 255, 255, 0.8);
    padding: 40px 0 20px;
    position: relative;
    z-index: 1;
}

.xx-footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.xx-footer-col h4 {
    color: var(--xx-pink);
    font-size: 1rem;
    margin-bottom: 14px;
}

.xx-footer-col p,
.xx-footer-col a {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 2;
}

.xx-footer-col a:hover {
    color: var(--xx-pink);
}

.xx-footer-honors {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    margin-bottom: 20px;
}

.xx-footer-honors h4 {
    color: var(--xx-pink);
    font-size: 1rem;
    margin-bottom: 14px;
    text-align: center;
}

.xx-honor-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.xx-honor-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.75);
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.xx-honor-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
}

.xx-footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 16px;
    text-align: center;
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.5);
}

.xx-footer-auth {
    margin-top: 8px;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.6);
}

/* === Inner Page Header === */
.xx-page-header {
    position: relative;
    min-height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--xx-pink-light), #E8D5F5);
    overflow: hidden;
}

.xx-page-header-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.5) blur(2px);
}

.xx-page-header-content {
    position: relative;
    z-index: 2;
    padding: 30px 20px;
}

.xx-page-header h1 {
    font-size: 1.8rem;
    color: var(--xx-white-pure);
    text-shadow: 0 2px 15px rgba(72, 61, 139, 0.5);
    margin-bottom: 8px;
}

.xx-page-header p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
}

/* === Breadcrumb === */
.xx-breadcrumb {
    padding: 14px 0;
    font-size: 0.82rem;
    color: var(--xx-text-light);
}

.xx-breadcrumb a {
    color: var(--xx-purple-light);
}

.xx-breadcrumb span {
    margin: 0 6px;
}

/* === Content Area === */
.xx-content {
    padding: 30px 0;
}

.xx-content-body {
    background: var(--xx-white-pure);
    border-radius: var(--xx-radius);
    padding: 24px 20px;
    box-shadow: var(--xx-shadow);
    line-height: 2;
    font-size: 0.95rem;
}

.xx-content-body h2 {
    font-size: 1.3rem;
    margin: 24px 0 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--xx-pink-light);
}

.xx-content-body h3 {
    font-size: 1.1rem;
    margin: 20px 0 10px;
    color: var(--xx-purple-light);
}

.xx-content-body p {
    margin-bottom: 16px;
    text-indent: 2em;
}

.xx-content-body .xx-content-img {
    margin: 20px auto;
    border-radius: var(--xx-radius-sm);
    box-shadow: var(--xx-shadow);
}

/* === Canvas Page === */
.xx-canvas-area {
    background: var(--xx-white-pure);
    border-radius: var(--xx-radius);
    padding: 20px;
    box-shadow: var(--xx-shadow);
    margin-bottom: 24px;
}

.xx-canvas-toolbar {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 16px;
    align-items: center;
}

.xx-canvas-toolbar label {
    font-size: 0.85rem;
    color: var(--xx-text-light);
}

.xx-color-picker {
    width: 36px;
    height: 36px;
    border: 2px solid var(--xx-pink);
    border-radius: 50%;
    cursor: pointer;
    padding: 0;
    background: none;
    overflow: hidden;
}

.xx-brush-size {
    width: 80px;
    accent-color: var(--xx-pink);
}

.xx-canvas-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 20px;
    font-size: 0.82rem;
    cursor: pointer;
    transition: var(--xx-transition);
    font-family: var(--xx-font-body);
}

.xx-canvas-btn-eraser {
    background: var(--xx-pink-light);
    color: var(--xx-purple);
}

.xx-canvas-btn-clear {
    background: rgba(72, 61, 139, 0.1);
    color: var(--xx-purple);
}

#xx-drawing-canvas {
    width: 100%;
    height: 350px;
    border: 2px dashed var(--xx-pink);
    border-radius: var(--xx-radius-sm);
    cursor: crosshair;
    background: var(--xx-white-pure);
    touch-action: none;
}

.xx-submit-form {
    background: var(--xx-white-pure);
    border-radius: var(--xx-radius);
    padding: 24px 20px;
    box-shadow: var(--xx-shadow);
}

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

.xx-form-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--xx-purple);
    margin-bottom: 6px;
    font-weight: 600;
}

.xx-form-input {
    width: 100%;
    padding: 10px 16px;
    border: 2px solid var(--xx-pink-light);
    border-radius: var(--xx-radius-sm);
    font-size: 0.9rem;
    font-family: var(--xx-font-body);
    transition: var(--xx-transition);
    outline: none;
}

.xx-form-input:focus {
    border-color: var(--xx-purple-light);
    box-shadow: 0 0 10px rgba(106, 90, 205, 0.15);
}

.xx-submit-btn {
    display: inline-block;
    padding: 12px 36px;
    background: linear-gradient(135deg, var(--xx-pink), var(--xx-pink-dark));
    color: var(--xx-white-pure);
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--xx-transition);
    font-family: var(--xx-font-body);
}

.xx-submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 143, 163, 0.5);
}

/* === App Download Page === */
.xx-app-hero {
    background: linear-gradient(135deg, var(--xx-pink-light), #E8D5F5);
    padding: 40px 20px;
    text-align: center;
}

.xx-app-mockup {
    max-width: 280px;
    margin: 0 auto 24px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(72, 61, 139, 0.2);
}

.xx-download-btns {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.xx-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--xx-transition);
    cursor: pointer;
    border: none;
    font-family: var(--xx-font-body);
}

.xx-download-btn-ios {
    background: var(--xx-purple);
    color: var(--xx-white-pure);
}

.xx-download-btn-android {
    background: var(--xx-pink-dark);
    color: var(--xx-white-pure);
}

.xx-download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.xx-download-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* === Success Modal === */
.xx-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.xx-modal-overlay.xx-active {
    display: flex;
}

.xx-modal {
    background: var(--xx-white-pure);
    border-radius: var(--xx-radius);
    padding: 40px 30px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    animation: xx-modal-in 0.5s ease;
}

@keyframes xx-modal-in {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.xx-modal-stars {
    font-size: 2rem;
    margin-bottom: 16px;
    animation: xx-star-spin 2s ease infinite;
}

@keyframes xx-star-spin {
    0%, 100% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.2); }
}

.xx-modal h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--xx-purple);
}

.xx-modal p {
    font-size: 0.9rem;
    color: var(--xx-text-light);
    margin-bottom: 20px;
}

.xx-modal-close {
    padding: 10px 30px;
    background: var(--xx-pink);
    color: var(--xx-white-pure);
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--xx-transition);
    font-family: var(--xx-font-body);
}

.xx-modal-close:hover {
    background: var(--xx-pink-dark);
}

/* === Utility === */
.xx-text-center { text-align: center; }
.xx-mt-20 { margin-top: 20px; }
.xx-mb-20 { margin-bottom: 20px; }
.xx-glow { filter: drop-shadow(0 0 8px rgba(255, 192, 203, 0.6)); }

/* ============================================
   Responsive Breakpoints (Mobile-First)
   320px (base) -> 768px -> 1024px -> 1440px
   ============================================ */

/* Tablet (768px+) */
@media (min-width: 768px) {
    .xx-container {
        padding: 0 30px;
    }

    .xx-hamburger {
        display: none;
    }

    .xx-nav-links {
        display: flex;
        width: auto;
        flex-direction: row;
        gap: 4px;
        padding-top: 0;
        flex-wrap: wrap;
        justify-content: center;
    }

    .xx-nav-search {
        display: block;
    }

    .xx-nav-inner {
        flex-wrap: nowrap;
    }

    .xx-hero,
    .xx-hero-slider {
        min-height: 70vh;
        height: 70vh;
    }

    .xx-hero-title {
        font-size: 2.4rem;
    }

    .xx-hero-subtitle {
        font-size: 1.15rem;
    }

    .xx-section {
        padding: 60px 0;
    }

    .xx-section-title {
        font-size: 1.8rem;
    }

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

    .xx-card-img {
        height: 240px;
    }

    .xx-waterfall {
        columns: 3;
    }

    .xx-tab-panel.xx-active {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .xx-honor-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .xx-page-header {
        min-height: 280px;
    }

    .xx-page-header h1 {
        font-size: 2.2rem;
    }

    #xx-drawing-canvas {
        height: 450px;
    }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
    .xx-container {
        padding: 0 40px;
    }

    .xx-hero,
    .xx-hero-slider {
        min-height: 80vh;
        height: 80vh;
    }

    .xx-hero-title {
        font-size: 2.8rem;
    }

    .xx-card-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .xx-waterfall {
        columns: 4;
    }

    .xx-tab-panel.xx-active {
        grid-template-columns: repeat(4, 1fr);
    }

    .xx-footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .xx-content-body {
        padding: 40px;
    }

    #xx-drawing-canvas {
        height: 500px;
    }
}

/* Large Desktop (1440px+) */
@media (min-width: 1440px) {
    .xx-card-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .xx-hero-title {
        font-size: 3.2rem;
    }

    .xx-hero-content {
        max-width: 800px;
    }

    .xx-gallery-item img {
        height: 220px;
    }
}

/* Small Mobile (max 320px) */
@media (max-width: 320px) {
    html {
        font-size: 14px;
    }

    .xx-hero,
    .xx-hero-slider {
        min-height: 50vh;
        height: 50vh;
    }

    .xx-hero-title {
        font-size: 1.4rem;
    }

    .xx-tab-panel.xx-active {
        grid-template-columns: 1fr;
    }
}

/* === Print Styles === */
@media print {
    .xx-nav,
    .xx-sparkle-bg,
    .xx-hero-dots {
        display: none;
    }
}