/* ============================================
   StreamLive - 星播 | 游戏直播与主播孵化平台
   CSS Prefix: sl-
   BEM Naming Convention
   ============================================ */

/* === Font Face === */
@font-face {
    font-family: 'Montserrat';
    src: url('../fonts/Montserrat-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Montserrat';
    src: url('../fonts/Montserrat-SemiBold.woff2') format('woff2');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Open Sans';
    src: url('../fonts/OpenSans-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Open Sans';
    src: url('../fonts/OpenSans-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* === CSS Variables === */
:root {
    --sl-primary: #6A0DAD;
    --sl-secondary: #1E1E1E;
    --sl-accent: #00FF7F;
    --sl-highlight: #FFD700;
    --sl-bg: #121212;
    --sl-text: #FFFFFF;
    --sl-text-muted: #AAAAAA;
    --sl-radius: 12px;
    --sl-shadow: 0 4px 30px rgba(106, 13, 173, 0.4);
    --sl-font-heading: 'Montserrat', sans-serif;
    --sl-font-body: 'Open Sans', sans-serif;
    --sl-glass: rgba(30, 30, 30, 0.7);
    --sl-blur: blur(12px);
    --sl-transition: all 0.3s ease;
}

/* === Reset & Base === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    font-size: 16px;
    scroll-behavior: smooth;
}
body {
    font-family: var(--sl-font-body);
    background-color: var(--sl-bg);
    color: var(--sl-text);
    line-height: 1.7;
    overflow-x: hidden;
}
a {
    color: var(--sl-accent);
    text-decoration: none;
    transition: var(--sl-transition);
}
a:hover {
    color: var(--sl-highlight);
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
h1, h2, h3, h4, h5, h6 {
    font-family: var(--sl-font-heading);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
p { margin-bottom: 1rem; }

/* === Container === */
.sl-container {
    max-width: 1360px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* === Header / Navigation === */
.sl-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--sl-glass);
    backdrop-filter: var(--sl-blur);
    -webkit-backdrop-filter: var(--sl-blur);
    transition: background 0.3s ease;
    border-bottom: 1px solid rgba(106, 13, 173, 0.2);
}
.sl-header--solid {
    background: var(--sl-secondary) !important;
    backdrop-filter: none;
}
.sl-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 2rem;
    max-width: 1360px;
    margin: 0 auto;
}
.sl-header__logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.sl-header__logo img {
    height: 40px;
    width: auto;
}
.sl-header__logo-text {
    font-family: var(--sl-font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--sl-text);
    background: linear-gradient(135deg, var(--sl-primary), var(--sl-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.sl-header__nav {
    display: flex;
    align-items: center;
    gap: 0;
}
.sl-header__nav-link {
    color: var(--sl-text);
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    position: relative;
    transition: var(--sl-transition);
    white-space: nowrap;
}
.sl-header__nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    right: 50%;
    height: 2px;
    background: var(--sl-primary);
    transition: var(--sl-transition);
}
.sl-header__nav-link:hover {
    color: var(--sl-accent);
}
.sl-header__nav-link:hover::after {
    left: 15%;
    right: 15%;
}
.sl-header__nav-link--active {
    color: var(--sl-accent);
}
.sl-header__nav-link--active::after {
    left: 15%;
    right: 15%;
}
.sl-header__actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.sl-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.5rem;
    border-radius: var(--sl-radius);
    font-family: var(--sl-font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--sl-transition);
    text-decoration: none;
    white-space: nowrap;
}
.sl-btn--primary {
    background: var(--sl-primary);
    color: var(--sl-text);
}
.sl-btn--primary:hover {
    transform: scale(1.05);
    box-shadow: var(--sl-shadow);
    color: var(--sl-text);
}
.sl-btn--accent {
    background: var(--sl-accent);
    color: #121212;
}
.sl-btn--accent:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 30px rgba(0, 255, 127, 0.3);
    color: #121212;
}
.sl-btn--outline {
    background: transparent;
    border: 2px solid var(--sl-primary);
    color: var(--sl-text);
}
.sl-btn--outline:hover {
    background: var(--sl-primary);
    color: var(--sl-text);
}
.sl-btn--ghost {
    background: transparent;
    color: var(--sl-text-muted);
}
.sl-btn--ghost:hover {
    color: var(--sl-text);
}

/* Hamburger Menu */
.sl-header__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}
.sl-header__hamburger span {
    width: 25px;
    height: 2px;
    background: var(--sl-text);
    transition: var(--sl-transition);
}
.sl-header__hamburger--active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.sl-header__hamburger--active span:nth-child(2) {
    opacity: 0;
}
.sl-header__hamburger--active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* === Hero Section === */
.sl-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.sl-hero__video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
    z-index: 0;
}
.sl-hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(18,18,18,0.7) 0%, rgba(106,13,173,0.2) 50%, rgba(18,18,18,0.9) 100%);
    z-index: 1;
}
.sl-hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 2rem;
}
.sl-hero__title {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 40px rgba(106, 13, 173, 0.6);
}
.sl-hero__title span {
    color: var(--sl-accent);
}
.sl-hero__subtitle {
    font-size: 1.2rem;
    color: var(--sl-text-muted);
    margin-bottom: 2rem;
    line-height: 1.8;
}
.sl-hero__cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* === Section Base === */
.sl-section {
    padding: 5rem 0;
    position: relative;
}
.sl-section--alt {
    background: var(--sl-secondary);
}
.sl-section__header {
    text-align: center;
    margin-bottom: 3rem;
}
.sl-section__title {
    font-size: 2rem;
    margin-bottom: 0.75rem;
    position: relative;
    display: inline-block;
}
.sl-section__title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--sl-accent);
    margin: 0.75rem auto 0;
    border-radius: 2px;
}
.sl-section__subtitle {
    color: var(--sl-text-muted);
    font-size: 1.05rem;
}

/* === Cards === */
.sl-card {
    background: var(--sl-secondary);
    border-radius: var(--sl-radius);
    overflow: hidden;
    transition: var(--sl-transition);
    border: 1px solid rgba(106, 13, 173, 0.15);
}
.sl-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--sl-shadow);
    border-color: rgba(106, 13, 173, 0.4);
}
.sl-card__image {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}
.sl-card__body {
    padding: 1.25rem;
}
.sl-card__title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}
.sl-card__text {
    color: var(--sl-text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}
.sl-card__meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--sl-text-muted);
}
.sl-card__avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

/* === Grid Layouts === */
.sl-grid {
    display: grid;
    gap: 1.5rem;
}
.sl-grid--2 { grid-template-columns: repeat(2, 1fr); }
.sl-grid--3 { grid-template-columns: repeat(3, 1fr); }
.sl-grid--4 { grid-template-columns: repeat(4, 1fr); }
.sl-grid--6 { grid-template-columns: repeat(6, 1fr); }

/* === Live Badge === */
.sl-live-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(255, 0, 0, 0.8);
    color: white;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}
.sl-live-badge__dot {
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
    animation: sl-pulse 1.5s infinite;
}
@keyframes sl-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* === Trending Live Section === */
.sl-trending__card {
    position: relative;
}
.sl-trending__badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 2;
}
.sl-trending__viewers {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0,0,0,0.7);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
    z-index: 2;
}

/* === Rising Stars === */
.sl-rising__card {
    text-align: center;
    padding: 2rem 1.5rem;
}
.sl-rising__avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto 1rem;
    border: 3px solid var(--sl-primary);
    object-fit: cover;
}
.sl-rising__rank {
    display: inline-block;
    background: var(--sl-highlight);
    color: #121212;
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

/* === Game Trends === */
.sl-trends__item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--sl-secondary);
    border-radius: var(--sl-radius);
    border: 1px solid rgba(106, 13, 173, 0.15);
    transition: var(--sl-transition);
}
.sl-trends__item:hover {
    border-color: var(--sl-primary);
    box-shadow: var(--sl-shadow);
}
.sl-trends__image {
    width: 120px;
    height: 120px;
    border-radius: var(--sl-radius);
    object-fit: cover;
    flex-shrink: 0;
}
.sl-trends__info {
    flex: 1;
}
.sl-trends__change {
    color: var(--sl-accent);
    font-weight: 600;
    font-size: 1.2rem;
}
.sl-trends__change--hot {
    color: var(--sl-highlight);
}

/* === Bootcamp CTA Banner === */
.sl-bootcamp-cta {
    position: relative;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, var(--sl-primary), #3a0066);
    border-radius: var(--sl-radius);
    text-align: center;
    overflow: hidden;
}
.sl-bootcamp-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0,255,127,0.1) 0%, transparent 60%);
    animation: sl-rotate 20s linear infinite;
}
@keyframes sl-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
.sl-bootcamp-cta__content {
    position: relative;
    z-index: 1;
}

/* === Highlight Videos === */
.sl-highlight__card {
    position: relative;
}
.sl-highlight__video {
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: var(--sl-radius) var(--sl-radius) 0 0;
    object-fit: cover;
    background: #000;
}
.sl-highlight__duration {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0,0,0,0.8);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
}
.sl-highlight__play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(106, 13, 173, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--sl-transition);
    z-index: 2;
}
.sl-highlight__play:hover {
    background: var(--sl-primary);
    transform: translate(-50%, -50%) scale(1.1);
}
.sl-highlight__play::after {
    content: '';
    border-style: solid;
    border-width: 10px 0 10px 18px;
    border-color: transparent transparent transparent white;
    margin-left: 3px;
}

/* === Live Calendar === */
.sl-calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.75rem;
}
.sl-calendar__day {
    background: var(--sl-secondary);
    border-radius: var(--sl-radius);
    padding: 1rem;
    min-height: 120px;
    border: 1px solid rgba(106, 13, 173, 0.1);
    transition: var(--sl-transition);
}
.sl-calendar__day:hover {
    border-color: var(--sl-primary);
}
.sl-calendar__day-header {
    font-size: 0.85rem;
    color: var(--sl-text-muted);
    margin-bottom: 0.5rem;
}
.sl-calendar__day-number {
    font-family: var(--sl-font-heading);
    font-size: 1.2rem;
    font-weight: 600;
}
.sl-calendar__event {
    margin-top: 0.5rem;
    padding: 0.3rem 0.5rem;
    background: rgba(106, 13, 173, 0.3);
    border-radius: 4px;
    font-size: 0.75rem;
    border-left: 2px solid var(--sl-accent);
}

/* === Bullet Screen Wall === */
.sl-danmaku {
    position: relative;
    height: 300px;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(18,18,18,0) 0%, rgba(106,13,173,0.05) 50%, rgba(18,18,18,0) 100%);
}
.sl-danmaku__item {
    position: absolute;
    white-space: nowrap;
    padding: 0.4rem 1rem;
    background: rgba(30, 30, 30, 0.7);
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(106, 13, 173, 0.2);
    animation: sl-danmaku-scroll linear infinite;
}
@keyframes sl-danmaku-scroll {
    from { transform: translateX(100vw); }
    to { transform: translateX(-100%); }
}

/* === Partners Wall === */
.sl-partners__logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: var(--sl-secondary);
    border-radius: var(--sl-radius);
    border: 1px solid rgba(106, 13, 173, 0.1);
    transition: var(--sl-transition);
    height: 80px;
}
.sl-partners__logo:hover {
    border-color: var(--sl-primary);
    box-shadow: var(--sl-shadow);
}
.sl-partners__logo img {
    max-height: 50px;
    opacity: 0.7;
    transition: var(--sl-transition);
    filter: grayscale(50%);
}
.sl-partners__logo:hover img {
    opacity: 1;
    filter: grayscale(0%);
}

/* === Trust & Honor === */
.sl-trust__item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--sl-secondary);
    border-radius: var(--sl-radius);
    border: 1px solid rgba(255, 215, 0, 0.15);
}
.sl-trust__icon {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 215, 0, 0.1);
    border-radius: 50%;
    font-size: 1.5rem;
}

/* === Footer === */
.sl-footer {
    background: var(--sl-secondary);
    padding-top: 0;
}
.sl-footer__divider {
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--sl-primary), transparent);
    margin-bottom: 3rem;
}
.sl-footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    padding: 0 2rem 3rem;
    max-width: 1360px;
    margin: 0 auto;
}
.sl-footer__brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.sl-footer__brand-logo {
    height: 40px;
    width: auto;
}
.sl-footer__brand-slogan {
    color: var(--sl-accent);
    font-size: 0.95rem;
    font-weight: 600;
}
.sl-footer__brand-desc {
    color: var(--sl-text-muted);
    font-size: 0.85rem;
    line-height: 1.7;
}
.sl-footer__social {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}
.sl-footer__social-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(106, 13, 173, 0.2);
    border-radius: 50%;
    color: var(--sl-text-muted);
    font-size: 0.85rem;
    transition: var(--sl-transition);
}
.sl-footer__social-link:hover {
    background: var(--sl-primary);
    color: var(--sl-text);
}
.sl-footer__column-title {
    font-family: var(--sl-font-heading);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--sl-text);
}
.sl-footer__link {
    display: block;
    color: var(--sl-text-muted);
    font-size: 0.85rem;
    padding: 0.3rem 0;
    transition: var(--sl-transition);
}
.sl-footer__link:hover {
    color: var(--sl-accent);
    padding-left: 5px;
}
.sl-footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 1.5rem 2rem;
    text-align: center;
    max-width: 1360px;
    margin: 0 auto;
}
.sl-footer__copyright {
    color: var(--sl-text-muted);
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
}
.sl-footer__legal {
    font-size: 0.75rem;
    color: var(--sl-text-muted);
}
.sl-footer__legal a {
    color: var(--sl-text-muted);
    margin: 0 0.5rem;
}
.sl-footer__legal a:hover {
    color: var(--sl-accent);
}

/* === Breadcrumb === */
.sl-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 0;
    font-size: 0.85rem;
    color: var(--sl-text-muted);
}
.sl-breadcrumb a {
    color: var(--sl-text-muted);
}
.sl-breadcrumb a:hover {
    color: var(--sl-accent);
}
.sl-breadcrumb__separator {
    color: rgba(255,255,255,0.3);
}

/* === Page Hero (Inner Pages) === */
.sl-page-hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(180deg, rgba(106,13,173,0.15) 0%, var(--sl-bg) 100%);
    text-align: center;
}
.sl-page-hero__title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}
.sl-page-hero__desc {
    color: var(--sl-text-muted);
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.05rem;
}

/* === Content Section === */
.sl-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem 2rem;
}
.sl-content h2 {
    margin-top: 2.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid rgba(106, 13, 173, 0.2);
}
.sl-content h3 {
    margin-top: 2rem;
    color: var(--sl-accent);
}
.sl-content p {
    color: var(--sl-text-muted);
    font-size: 1rem;
    line-height: 1.8;
}
.sl-content img {
    border-radius: var(--sl-radius);
    margin: 1.5rem 0;
}

/* === Tabs === */
.sl-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid rgba(106, 13, 173, 0.2);
    margin-bottom: 2rem;
    overflow-x: auto;
}
.sl-tabs__tab {
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    color: var(--sl-text-muted);
    font-weight: 600;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: var(--sl-transition);
    white-space: nowrap;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    font-family: var(--sl-font-heading);
    font-size: 0.95rem;
}
.sl-tabs__tab:hover {
    color: var(--sl-text);
}
.sl-tabs__tab--active {
    color: var(--sl-accent);
    border-bottom-color: var(--sl-accent);
}
.sl-tabs__panel {
    display: none;
}
.sl-tabs__panel--active {
    display: block;
}

/* === Task Cards === */
.sl-task {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: var(--sl-secondary);
    border-radius: var(--sl-radius);
    margin-bottom: 0.75rem;
    border: 1px solid rgba(106, 13, 173, 0.1);
}
.sl-task__info {
    flex: 1;
}
.sl-task__title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}
.sl-task__reward {
    font-size: 0.85rem;
    color: var(--sl-highlight);
}
.sl-task__status {
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}
.sl-task__status--pending {
    background: rgba(170, 170, 170, 0.2);
    color: var(--sl-text-muted);
}
.sl-task__status--active {
    background: rgba(0, 255, 127, 0.15);
    color: var(--sl-accent);
}
.sl-task__status--done {
    background: rgba(255, 215, 0, 0.15);
    color: var(--sl-highlight);
}

/* === Mentor Cards === */
.sl-mentor {
    text-align: center;
    padding: 2rem 1.5rem;
}
.sl-mentor__photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto 1rem;
    object-fit: cover;
    border: 3px solid var(--sl-primary);
}
.sl-mentor__tag {
    display: inline-block;
    background: rgba(255, 215, 0, 0.15);
    color: var(--sl-highlight);
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    margin-bottom: 0.5rem;
}

/* === App Download Page === */
.sl-app-hero {
    display: flex;
    align-items: center;
    gap: 4rem;
    padding: 8rem 0 4rem;
}
.sl-app-hero__info {
    flex: 1;
}
.sl-app-hero__mockup {
    flex: 0 0 300px;
}
.sl-app-hero__mockup img {
    max-width: 100%;
    border-radius: 24px;
    box-shadow: var(--sl-shadow);
}
.sl-app-hero__badges {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}
.sl-app-hero__badge img {
    height: 45px;
}
.sl-app-hero__qr {
    width: 120px;
    height: 120px;
    background: white;
    border-radius: var(--sl-radius);
    padding: 0.5rem;
}

/* === Feature List === */
.sl-feature {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--sl-secondary);
    border-radius: var(--sl-radius);
    border: 1px solid rgba(106, 13, 173, 0.1);
}
.sl-feature__icon {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(106, 13, 173, 0.2);
    border-radius: var(--sl-radius);
    font-size: 1.3rem;
}
.sl-feature__title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}
.sl-feature__text {
    color: var(--sl-text-muted);
    font-size: 0.9rem;
}

/* === FAQ Accordion === */
.sl-faq__item {
    border: 1px solid rgba(106, 13, 173, 0.15);
    border-radius: var(--sl-radius);
    margin-bottom: 0.75rem;
    overflow: hidden;
}
.sl-faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    cursor: pointer;
    font-weight: 600;
    transition: var(--sl-transition);
    background: none;
    border: none;
    color: var(--sl-text);
    width: 100%;
    text-align: left;
    font-family: var(--sl-font-body);
    font-size: 1rem;
}
.sl-faq__question:hover {
    background: rgba(106, 13, 173, 0.1);
}
.sl-faq__arrow {
    transition: var(--sl-transition);
    font-size: 0.8rem;
}
.sl-faq__item--open .sl-faq__arrow {
    transform: rotate(180deg);
}
.sl-faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}
.sl-faq__item--open .sl-faq__answer {
    max-height: 500px;
}
.sl-faq__answer-inner {
    padding: 0 1.5rem 1rem;
    color: var(--sl-text-muted);
    line-height: 1.7;
}

/* === Version Log === */
.sl-version__item {
    padding: 1rem 1.5rem;
    border-left: 3px solid var(--sl-primary);
    margin-bottom: 1rem;
    background: var(--sl-secondary);
    border-radius: 0 var(--sl-radius) var(--sl-radius) 0;
}
.sl-version__tag {
    display: inline-block;
    background: var(--sl-primary);
    color: white;
    padding: 0.15rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
}

/* === Review Cards === */
.sl-review {
    padding: 1.5rem;
    background: var(--sl-secondary);
    border-radius: var(--sl-radius);
    border: 1px solid rgba(106, 13, 173, 0.1);
}
.sl-review__stars {
    color: var(--sl-highlight);
    margin-bottom: 0.75rem;
    font-size: 1rem;
}
.sl-review__text {
    color: var(--sl-text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 0.75rem;
}
.sl-review__author {
    font-size: 0.85rem;
    color: var(--sl-text);
    font-weight: 600;
}

/* === Scrollbar === */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--sl-bg);
}
::-webkit-scrollbar-thumb {
    background: var(--sl-primary);
    border-radius: 4px;
}

/* === Responsive === */
@media (max-width: 1280px) {
    .sl-container { max-width: 1200px; }
}
@media (max-width: 1024px) {
    .sl-grid--4 { grid-template-columns: repeat(2, 1fr); }
    .sl-grid--6 { grid-template-columns: repeat(3, 1fr); }
    .sl-footer__grid { grid-template-columns: repeat(2, 1fr); }
    .sl-calendar { grid-template-columns: repeat(4, 1fr); }
    .sl-app-hero { flex-direction: column; text-align: center; }
    .sl-app-hero__badges { justify-content: center; }
}
@media (max-width: 768px) {
    html { font-size: 14px; }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }
    .sl-hero__title { font-size: 2.2rem; }
    .sl-grid--2, .sl-grid--3, .sl-grid--4 { grid-template-columns: 1fr; }
    .sl-grid--6 { grid-template-columns: repeat(2, 1fr); }
    .sl-header__nav { 
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(18,18,18,0.98);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 1.5rem;
        z-index: 999;
    }
    .sl-header__nav--open {
        display: flex;
    }
    .sl-header__nav-link {
        font-size: 1.2rem;
    }
    .sl-header__hamburger {
        display: flex;
    }
    .sl-header__actions {
        display: none;
    }
    .sl-footer__grid {
        grid-template-columns: 1fr;
    }
    .sl-calendar {
        grid-template-columns: repeat(2, 1fr);
    }
    .sl-trends__item {
        flex-direction: column;
        text-align: center;
    }
    .sl-section {
        padding: 3rem 0;
    }
    .sl-page-hero {
        padding: 6rem 0 3rem;
    }
}
@media (max-width: 360px) {
    html { font-size: 13px; }
    .sl-container { padding: 0 1rem; }
    .sl-hero__title { font-size: 1.8rem; }
}

/* === Utility === */
.sl-text-accent { color: var(--sl-accent); }
.sl-text-highlight { color: var(--sl-highlight); }
.sl-text-muted { color: var(--sl-text-muted); }
.sl-text-center { text-align: center; }
.sl-mt-1 { margin-top: 0.5rem; }
.sl-mt-2 { margin-top: 1rem; }
.sl-mt-3 { margin-top: 1.5rem; }
.sl-mb-1 { margin-bottom: 0.5rem; }
.sl-mb-2 { margin-bottom: 1rem; }
.sl-mb-3 { margin-bottom: 1.5rem; }
.sl-hidden { display: none; }

/* === Danmaku Background Animation (Homepage) === */
.sl-danmaku-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
    opacity: 0.03;
}
.sl-danmaku-bg__line {
    position: absolute;
    white-space: nowrap;
    font-size: 0.9rem;
    color: var(--sl-text);
    animation: sl-danmaku-scroll linear infinite;
}