:root {
    --brand-color: #ff6b81;
    --bg-color: #f8f9fa;
    --text-main: #333333;
    --text-light: #666666;
    --card-bg: #ffffff;
    --border-color: #eaeaea;
    --transition: all 0.3s ease;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
h1, h2, h3 { font-weight: 600; margin-bottom: 15px; }
h2 { font-size: 28px; border-left: 4px solid var(--brand-color); padding-left: 12px; margin-bottom: 25px; }
h3 { font-size: 18px; }
section { padding: 60px 0; position: relative; overflow: hidden; }

/* 换台噪点转场 (纯CSS) */
.section-noise::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(images/v-04.webp)'/%3E%3C/svg%3E");
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
    z-index: 10;
}
.section-noise.active::before { opacity: 0.08; }

/* 频道号角标 */
.channel-badge {
    position: absolute;
    top: 40px; right: 40px;
    background: var(--text-main);
    color: #fff;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: bold;
    border-radius: 4px;
    z-index: 2;
}

/* 顶部导航 */
header {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: var(--transition);
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}
.logo-box { display: flex; align-items: center; gap: 10px; font-weight: bold; font-size: 20px; color: var(--brand-color); }
.logo-box img { height: 32px; width: auto; }
.nav-links { display: flex; gap: 20px; font-size: 15px; }
.nav-links a:hover { color: var(--brand-color); }
.search-box { display: flex; align-items: center; background: var(--bg-color); border-radius: 20px; padding: 5px 15px; border: 1px solid var(--border-color); }
.search-box input { border: none; background: transparent; outline: none; font-size: 14px; width: 120px; }
.btn-download {
    background: var(--brand-color); color: #fff;
    padding: 8px 20px; border-radius: 20px;
    font-weight: bold; font-size: 14px;
    transition: var(--transition);
}
.btn-download:hover { opacity: 0.9; transform: scale(1.05); }
.pip-nav { display: none; position: fixed; top: 70px; right: 20px; background: #fff; padding: 10px; border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); z-index: 999; gap: 10px;}
.pip-nav img { width: 40px; height: 56px; object-fit: cover; border-radius: 4px; cursor: pointer;}

/* 首屏 开机画面 */
.hero {
    padding-top: 120px;
    padding-bottom: 80px;
    text-align: center;
    background: linear-gradient(180deg, #fff 0%, var(--bg-color) 100%);
    animation: bootScreen 1.5s ease-out forwards;
}
@keyframes bootScreen {
    0% { opacity: 0; filter: brightness(2); }
    50% { opacity: 0.5; filter: brightness(1.5); }
    100% { opacity: 1; filter: brightness(1); }
}
.hero h1 { font-size: 48px; margin-bottom: 20px; color: var(--text-main); }
.hero p.subtitle { font-size: 18px; color: var(--text-light); margin-bottom: 40px; }
.data-row { display: flex; justify-content: center; gap: 40px; margin-bottom: 50px; }
.data-item { display: flex; flex-direction: column; }
.data-num { font-size: 28px; font-weight: bold; color: var(--brand-color); }
.data-label { font-size: 14px; color: var(--text-light); }
.tv-frame {
    background: #222;
    padding: 15px;
    border-radius: 20px;
    width: 800px;
    max-width: 90%;
    margin: 0 auto 40px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}
.tv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; border-radius: 10px; overflow: hidden; }
.tv-grid img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16/9; transition: opacity 0.3s; }
.hero-btns { display: flex; justify-content: center; gap: 20px; }
.hero-btns a {
    background: var(--text-main); color: #fff;
    padding: 12px 30px; border-radius: 25px;
    display: flex; align-items: center; gap: 8px;
    font-size: 16px; font-weight: bold;
    transition: var(--transition);
}
.hero-btns a:hover { background: var(--brand-color); }

/* 热播推荐 */
.hot-carousel { display: flex; align-items: center; justify-content: center; gap: 20px; position: relative; height: 400px; }
.hot-card {
    background: var(--card-bg); border-radius: 12px; overflow: hidden;
    width: 300px; box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center; position: relative; z-index: 2;
    transition: transform 0.4s ease, opacity 0.4s ease;
}
.hot-card img { width: 100%; height: 400px; object-fit: cover; }
.hot-card-info { position: absolute; bottom: 0; left: 0; right: 0; padding: 30px 20px 20px; background: linear-gradient(transparent, rgba(0,0,0,0.8)); color: #fff; text-align: left;}
.hot-card-info h3 { color: #fff; margin-bottom: 5px; }
.hot-card-info .type { font-size: 12px; background: var(--brand-color); padding: 2px 6px; border-radius: 4px; display: inline-block; margin-bottom: 10px;}
.hot-card-info .desc { font-size: 14px; opacity: 0.9; margin-bottom: 10px;}
.hot-card-info .heat { font-size: 12px; color: #ffaa00; }
.side-card { opacity: 0.5; transform: scale(0.85); z-index: 1; }
.side-card img { height: 340px; }
.ambient-bg {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at center, var(--brand-color) 0%, transparent 70%);
    opacity: 0.1; z-index: 0; transition: var(--transition);
}

/* 排播 */
.schedule-board { display: flex; gap: 30px; align-items: flex-start; }
.calendar-peel {
    flex: 0 0 240px; background: #fff;
    border-radius: 12px; box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    position: relative; padding: 20px; text-align: center;
    border-top: 4px solid var(--brand-color);
}
.calendar-peel::after {
    content: ""; position: absolute; top: -4px; right: 0;
    border-width: 0 20px 20px 0; border-style: solid;
    border-color: transparent var(--bg-color) transparent transparent;
}
.calendar-peel h3 { margin-bottom: 15px; color: var(--brand-color); }
.calendar-peel img { width: 80px; margin: 0 auto 10px; border-radius: 6px; }
.badge-updated { background: #e0f7fa; color: #00838f; font-size: 12px; padding: 2px 8px; border-radius: 10px; display: inline-block;}
.week-schedule { flex: 1; display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; }
.day-col { background: #fff; padding: 15px 10px; border-radius: 8px; text-align: center; box-shadow: 0 4px 12px rgba(0,0,0,0.03); }
.day-col.active { border: 2px solid var(--brand-color); }
.day-col h4 { font-size: 14px; margin-bottom: 10px; color: var(--text-light); }
.day-col img { width: 40px; margin: 0 auto 5px; border-radius: 4px; }
.day-col .ep { font-size: 12px; color: var(--text-light); }

/* 榜单 */
.ranking-list { display: flex; flex-direction: column; gap: 15px; }
.rank-item {
    display: flex; align-items: center; background: #fff; padding: 15px;
    border-radius: 10px; box-shadow: 0 4px 12px rgba(0,0,0,0.03);
    position: relative; overflow: hidden;
}
.rank-num { font-size: 24px; font-weight: bold; color: #ccc; width: 40px; text-align: center; font-style: italic; }
.rank-item.top3 .rank-num { color: var(--brand-color); }
.rank-item img { width: 40px; border-radius: 4px; margin-right: 15px; }
.rank-info { flex: 1; }
.rank-info h3 { margin-bottom: 2px; font-size: 16px; }
.rank-info .type { font-size: 12px; color: var(--text-light); }
.energy-bar { flex: 0 0 200px; height: 8px; background: #eee; border-radius: 4px; margin-left: 20px; position: relative; overflow: hidden; }
.energy-fill { position: absolute; left: 0; top: 0; bottom: 0; background: var(--brand-color); width: 0; transition: width 1s cubic-bezier(0.4, 0, 0.2, 1); }
.rank-item.top3 .energy-fill { background: linear-gradient(90deg, #ff6b81, #ff9a9e); }
.heat-val { width: 50px; text-align: right; font-size: 14px; font-weight: bold; color: var(--brand-color); }

/* 分类 */
.category-strips { display: flex; flex-direction: column; gap: 10px; }
.strip { background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.03); }
.strip-header { padding: 20px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; }
.strip-header h3 { margin: 0; }
.strip-content {
    padding: 0 20px; max-height: 0; overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    display: flex; gap: 10px; align-items: center;
}
.strip:hover .strip-content, .strip.active .strip-content { max-height: 200px; padding: 0 20px 20px; }
.strip-content img { width: 60px; border-radius: 6px; }
.strip-desc { font-size: 14px; color: var(--text-light); margin-top: 10px; width: 100%; }

/* 独播 */
.spotlight-stage { text-align: center; position: relative; padding-top: 60px; }
.spotlight-cone {
    position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: 400px; height: 300px;
    background: radial-gradient(ellipse at top, rgba(255,107,129,0.3) 0%, transparent 70%);
    pointer-events: none;
}
.exclusive-card {
    display: inline-block; background: #fff; padding: 20px; border-radius: 16px;
    box-shadow: 0 20px 40px rgba(255,107,129,0.15); position: relative; z-index: 2; width: 400px;
}
.exclusive-card img { width: 200px; border-radius: 8px; margin: 0 auto 15px; }
.exclusive-card h3 { font-size: 22px; }
.exclusive-card p { font-size: 14px; color: var(--text-light); margin-bottom: 15px; }
.btn-reserve { background: var(--brand-color); color: #fff; padding: 8px 25px; border-radius: 20px; border: none; cursor: pointer; font-size: 14px; }
.film-strip { margin-top: 40px; display: flex; justify-content: center; gap: 15px; overflow-x: auto; padding: 10px; position: relative; }
.film-strip::before, .film-strip::after { content: ""; position: absolute; top: 0; bottom: 0; width: 100%; height: 10px; background-image: radial-gradient(circle, #ccc 2px, transparent 2px); background-size: 15px 10px; opacity: 0.5; }
.film-strip img { width: 60px; border-radius: 4px; cursor: pointer; transition: var(--transition); }
.film-strip img:hover { transform: scale(1.1); }

/* 会员 */
.vip-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 30px; }
.vip-card { background: #fff; padding: 30px 20px; border-radius: 12px; text-align: center; box-shadow: 0 4px 12px rgba(0,0,0,0.03); transition: var(--transition); }
.vip-card:hover { box-shadow: 0 10px 30px rgba(255,107,129,0.2); transform: translateY(-5px); }
.vip-card h3 { color: var(--brand-color); font-size: 20px; }
.vip-compare { background: #fff; border-radius: 12px; padding: 20px; display: flex; justify-content: space-around; }
.vip-compare ul { list-style: none; }
.vip-compare li { margin-bottom: 10px; font-size: 14px; }
.vip-compare span.check { color: var(--brand-color); font-weight: bold; }
.vip-compare span.cross { color: #999; font-weight: bold; }
.vip-note { text-align: center; font-size: 12px; color: var(--text-light); margin-top: 15px; }

/* 体验 */
.remote-panel { background: #333; border-radius: 20px; padding: 30px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; max-width: 600px; margin: 0 auto; position: relative; }
.remote-btn { background: #555; color: #fff; border: none; border-radius: 12px; padding: 15px; cursor: pointer; position: relative; transition: var(--transition); font-size: 14px; }
.remote-btn:hover { background: var(--brand-color); }
.remote-tooltip { position: absolute; top: -40px; left: 50%; transform: translateX(-50%); background: #fff; color: #333; padding: 5px 10px; border-radius: 4px; font-size: 12px; white-space: nowrap; box-shadow: 0 2px 8px rgba(0,0,0,0.1); opacity: 0; pointer-events: none; transition: var(--transition); }
.remote-btn:hover .remote-tooltip { opacity: 1; top: -30px; }

/* 评价 */
.review-section { text-align: center; }
.stats-row { display: flex; justify-content: center; gap: 50px; margin-bottom: 40px; }
.stat-item { display: flex; flex-direction: column; }
.stat-num { font-size: 32px; font-weight: bold; color: var(--brand-color); }
.reviews-carousel { display: flex; gap: 20px; overflow-x: auto; padding: 10px; scroll-snap-type: x mandatory; }
.review-card { flex: 0 0 400px; background: #fff; padding: 30px; border-radius: 16px; text-align: left; scroll-snap-align: center; box-shadow: 0 8px 24px rgba(0,0,0,0.05); }
.review-card img { width: 40px; height: 40px; border-radius: 50%; margin-bottom: 15px; }
.review-card blockquote { font-size: 16px; font-style: italic; margin-bottom: 15px; color: #555; }
.review-user { font-weight: bold; font-size: 14px; }
.stars { color: #ffaa00; font-size: 12px; }
.marquee-bar { margin-top: 30px; background: #fff; padding: 10px; overflow: hidden; border-radius: 8px; white-space: nowrap; border: 1px solid var(--border-color); }
.marquee-inner { display: inline-block; animation: marquee 20s linear infinite; }
.marquee-bar:hover .marquee-inner { animation-play-state: paused; }
.marquee-item { display: inline-block; margin-right: 30px; font-size: 14px; color: var(--text-light); }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* FAQ */
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.faq-item { background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.03); }
.faq-q { padding: 15px 20px; display: flex; align-items: center; gap: 15px; cursor: pointer; font-weight: bold; }
.faq-num { background: var(--bg-color); color: var(--brand-color); width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; border-radius: 4px; font-size: 12px; }
.faq-a { padding: 0 20px; max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; font-size: 14px; color: var(--text-light); }
.faq-item.active .faq-a { max-height: 150px; padding: 0 20px 15px; }

/* 下载 */
.download-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 40px; }
.step-card { background: #fff; padding: 20px; border-radius: 12px; text-align: center; box-shadow: 0 4px 12px rgba(0,0,0,0.03); }
.step-icon { font-size: 24px; color: var(--brand-color); margin-bottom: 10px; }
.step-card h3 { margin-bottom: 10px; font-size: 16px; }
.step-card p { font-size: 13px; color: var(--text-light); text-align: left; }
.remote-download { display: flex; justify-content: center; gap: 30px; background: #222; padding: 40px; border-radius: 20px; max-width: 600px; margin: 0 auto; }
.btn-remote {
    background: #444; color: #fff; padding: 20px 40px; border-radius: 12px; text-align: center;
    font-size: 18px; font-weight: bold; transition: var(--transition); border: 2px solid #555;
}
.btn-remote.android:hover { background: #3ddc84; color: #000; border-color: #3ddc84; }
.btn-remote.ios:hover { background: #fff; color: #000; border-color: #fff; }

/* 页脚 */
footer { background: #fff; padding: 40px 0 20px; font-size: 13px; color: #999; border-top: 1px solid var(--border-color); }
.footer-content { display: flex; justify-content: space-between; margin-bottom: 30px; }
.footer-brand { max-width: 300px; }
.footer-links { display: flex; gap: 50px; }
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a:hover { color: var(--brand-color); }
.footer-bottom { text-align: center; border-top: 1px solid var(--bg-color); padding-top: 20px; }
.footer-bottom a { color: #999; }
.footer-bottom a:hover { text-decoration: underline; }

/* 响应式 */
@media (max-width: 1200px) {
    .hero h1 { font-size: 40px; }
    .tv-frame { width: 90%; }
}
@media (max-width: 992px) {
    .nav-links { display: none; }
    .search-box { display: none; }
    .hot-card { width: 260px; }
    .schedule-board { flex-direction: column; }
    .calendar-peel { width: 100%; flex: none; }
    .week-schedule { width: 100%; }
    .vip-cards { grid-template-columns: 1fr; }
    .review-card { flex: 0 0 300px; }
    .download-steps { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .hero { padding-top: 100px; }
    .data-row { flex-direction: column; gap: 15px; }
    .hero-btns { flex-direction: column; }
    .tv-grid { grid-template-columns: repeat(2, 1fr); }
    .hot-carousel { height: auto; flex-direction: column; }
    .side-card { display: none; }
    .hot-card { width: 100%; max-width: 300px; margin-bottom: 20px; }
    .hot-card img { height: 400px; }
    .week-schedule { grid-template-columns: repeat(3, 1fr); }
    .ranking-list .energy-bar { display: none; }
    .faq-grid { grid-template-columns: 1fr; }
    .remote-panel { grid-template-columns: repeat(2, 1fr); }
    .footer-content { flex-direction: column; gap: 20px; }
}
@media (prefers-reduced-motion: reduce) {
    .section-noise::before { display: none; }
    .hero { animation: none; }
    .marquee-inner { animation: none; }
}