:root {
    --primary: #00d4c7;
    --primary-deep: #009c96;
    --ink: #eefdfb;
    --muted: #9bb4b3;
    --bg: #081014;
    --bg-soft: #101b21;
    --surface: rgba(255, 255, 255, 0.08);
    --surface-strong: rgba(255, 255, 255, 0.13);
    --line: rgba(255, 255, 255, 0.14);
    --shadow: 0 22px 70px rgba(0, 0, 0, 0.32);
    --radius: 20px;
    --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 320px;
    overflow-x: hidden;
    background: radial-gradient(circle at 15% 0%, rgba(0, 212, 199, 0.15), transparent 32rem), var(--bg);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.75;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(8, 16, 20, 0.92);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
}
.mobile-header {
    height: 64px;
    display: grid;
    grid-template-columns: 48px 1fr auto;
    align-items: center;
    gap: 10px;
    padding: 0 14px;
}
.desktop-header { display: none; }
.logo img { width: 130px; max-height: 40px; object-fit: contain; }
.mobile-logo { justify-self: center; }
.menu-button {
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 14px;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
}
.menu-button span { width: 20px; height: 2px; border-radius: 99px; background: var(--ink); }
.top-action, .main-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 18px;
    border-radius: 999px;
    background: var(--primary);
    color: #021513;
    font-weight: 800;
    letter-spacing: .02em;
    box-shadow: 0 10px 30px rgba(0, 212, 199, 0.23);
    transition: transform .2s ease, filter .2s ease, box-shadow .2s ease;
}
.top-action:hover, .main-button:hover { filter: brightness(0.85); transform: translateY(-1px); }
.mobile-panel {
    border-top: 1px solid var(--line);
    background: #081014;
    box-shadow: var(--shadow);
}
.mobile-nav { display: grid; gap: 4px; padding: 12px 16px 20px; }
.mobile-nav a {
    padding: 12px 14px;
    border-radius: 14px;
    color: var(--muted);
    font-weight: 700;
}
.mobile-nav a.active, .mobile-nav a:hover { color: var(--ink); background: var(--surface); border-left: 3px solid var(--primary); }
.search-icon {
    width: 38px;
    height: 38px;
    border: 1px solid var(--line);
    border-radius: 50%;
    position: relative;
    flex: 0 0 38px;
}
.search-icon::before {
    content: "";
    position: absolute;
    width: 12px;
    height: 12px;
    border: 2px solid var(--ink);
    border-radius: 50%;
    left: 10px;
    top: 9px;
}
.search-icon::after {
    content: "";
    position: absolute;
    width: 9px;
    height: 2px;
    background: var(--ink);
    transform: rotate(45deg);
    left: 22px;
    top: 24px;
    border-radius: 99px;
}
.site-main { min-height: 60vh; }
.movie-hero, .banner-section, .page-hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
}
.movie-hero {
    min-height: 620px;
    display: grid;
    align-items: end;
    background: linear-gradient(180deg, rgba(8,16,20,.34), rgba(8,16,20,.92)), url('banner.webp') center / cover no-repeat;
}
.hero-inner, .section-inner, .page-hero-inner, .content-section, .site-footer { width: min(100% - 32px, var(--max)); margin: 0 auto; }
.hero-inner { padding: 96px 0 72px; }
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: .14em;
    text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--primary); border-radius: 99px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(36px, 9vw, 76px); line-height: 1.04; letter-spacing: -0.055em; margin: 18px 0; max-width: 920px; }
h2 { font-size: clamp(26px, 5vw, 42px); line-height: 1.16; letter-spacing: -0.035em; }
h3 { font-size: 20px; line-height: 1.3; }
p { color: var(--muted); }
.lead { font-size: clamp(17px, 2.4vw, 21px); max-width: 760px; color: #d5efec; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 10px; margin: 28px 0 24px; }
.hero-meta span, .badge, .tag {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 5px 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: #dff8f6;
    background: rgba(255,255,255,.06);
    font-size: 13px;
    font-weight: 700;
}
.section { padding: 72px 0; }
.section-heading { display: flex; flex-direction: column; gap: 8px; margin-bottom: 28px; }
.section-heading p { max-width: 760px; }
.category-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.movie-card, .service-card, .faq-item, .info-card, .data-chart-panel, .notice-box, .step-card {
    background: linear-gradient(180deg, rgba(255,255,255,.095), rgba(255,255,255,.055));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 16px 48px rgba(0,0,0,.18);
}
.movie-card, .service-card, .info-card, .step-card { padding: 22px; }
.movie-card { min-height: 210px; display: flex; flex-direction: column; justify-content: space-between; }
.movie-card .icon-badge, .service-card .icon-badge {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background: rgba(0, 212, 199, 0.16);
    color: var(--primary);
    font-weight: 900;
    font-size: 20px;
    margin-bottom: 18px;
}
.card-link { color: var(--primary); font-weight: 900; margin-top: 12px; display: inline-flex; }
.card-link:hover { filter: brightness(0.85); }
.service-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.split-section { display: grid; grid-template-columns: 1fr; gap: 24px; align-items: center; }
.visual-card {
    overflow: hidden;
    border-radius: 24px;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    background: var(--surface);
}
.visual-card img { width: 100%; min-height: 260px; object-fit: cover; }
.text-list { display: grid; gap: 14px; margin: 24px 0 0; padding: 0; list-style: none; }
.text-list li { padding-left: 24px; position: relative; color: var(--muted); }
.text-list li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); position: absolute; left: 0; top: 12px; }
.data-chart-panel { padding: 22px; }
.chart-row { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); }
.chart-row:last-child { border-bottom: 0; }
.chart-bar { height: 8px; border-radius: 99px; background: rgba(255,255,255,.1); overflow: hidden; margin-top: 8px; }
.chart-bar span { display: block; height: 100%; width: var(--w, 60%); border-radius: 99px; background: var(--primary); }
.rating-stars { color: var(--primary); letter-spacing: .08em; font-weight: 900; }
.device-showcase { background: linear-gradient(135deg, rgba(0,212,199,.18), rgba(255,255,255,.04)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.security-section, .parental-guidance-section { border-radius: 26px; border: 1px solid var(--line); padding: 24px; background: rgba(255,255,255,.055); }
.notice-box { padding: 20px; border-left: 4px solid var(--primary); }
.faq-list { display: grid; gap: 14px; }
.faq-item { padding: 20px; }
.faq-item h3 { margin-bottom: 8px; }
.page-hero { padding: 70px 0 46px; background: radial-gradient(circle at 80% 0%, rgba(0,212,199,.18), transparent 35rem); }
.page-hero.compact { border-bottom: 1px solid var(--line); }
.page-hero .lead { max-width: 820px; }
.content-section { padding: 54px 0; }
.page-grid { display: grid; grid-template-columns: 1fr; gap: 22px; }
.long-copy { max-width: 820px; }
.long-copy p { margin-bottom: 18px; }
.info-panel { padding: 22px; background: rgba(255,255,255,.06); border: 1px solid var(--line); border-radius: 22px; align-self: start; }
.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.check-list li { color: var(--muted); padding-left: 26px; position: relative; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--primary); font-weight: 900; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 20px; }
table { width: 100%; border-collapse: collapse; min-width: 640px; background: rgba(255,255,255,.045); }
th, td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); color: var(--muted); }
th { color: var(--ink); background: rgba(255,255,255,.06); }
.steps { display: grid; gap: 16px; counter-reset: steps; }
.step-card { position: relative; padding-left: 76px; }
.step-card::before { counter-increment: steps; content: counter(steps); position: absolute; left: 22px; top: 24px; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--primary); color: #021513; font-weight: 900; }
.site-footer { padding: 0 0 40px; }
.footer-cta {
    margin: 62px auto 40px;
    padding: 28px;
    border-radius: 28px;
    display: grid;
    gap: 24px;
    align-items: center;
    background: linear-gradient(135deg, rgba(0,212,199,.24), rgba(255,255,255,.07));
    border: 1px solid rgba(0,212,199,.32);
}
.footer-grid { display: grid; gap: 26px; padding: 34px 0; border-top: 1px solid var(--line); }
.footer-grid a { display: block; color: var(--muted); margin: 8px 0; }
.footer-grid a:hover { color: var(--primary); }
.footer-logo img { margin-bottom: 16px; }
.copyright { font-size: 13px; }
@media (min-width: 640px) {
    .category-grid { grid-template-columns: repeat(2, 1fr); }
    .service-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-cta { grid-template-columns: 1fr auto; }
}
@media (min-width: 900px) {
    .mobile-header, .mobile-panel { display: none !important; }
    .desktop-header {
        width: min(100% - 48px, 1280px);
        height: 78px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        gap: 22px;
    }
    .desktop-nav { flex: 1; display: flex; align-items: center; justify-content: center; gap: 4px; }
    .desktop-nav a { position: relative; padding: 27px 10px; color: var(--muted); font-size: 14px; font-weight: 800; white-space: nowrap; }
    .desktop-nav a::after { content: ""; position: absolute; left: 10px; right: 10px; bottom: 18px; height: 2px; transform: scaleX(0); transform-origin: center; border-radius: 99px; background: var(--primary); transition: transform .2s ease; }
    .desktop-nav a.active, .desktop-nav a:hover { color: var(--ink); }
    .desktop-nav a.active::after, .desktop-nav a:hover::after { transform: scaleX(1); }
    .category-grid { grid-template-columns: repeat(3, 1fr); }
    .service-grid { grid-template-columns: repeat(3, 1fr); }
    .split-section { grid-template-columns: 1.05fr .95fr; gap: 54px; }
    .split-section.reverse { grid-template-columns: .95fr 1.05fr; }
    .page-grid { grid-template-columns: minmax(0, 1fr) 360px; gap: 46px; }
    .footer-grid { grid-template-columns: 1.4fr .8fr .8fr 1fr; }
}
@media (min-width: 1180px) {
    .category-grid.six { grid-template-columns: repeat(6, 1fr); }
    .category-grid.three { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 420px) {
    .top-action { padding: 0 14px; min-height: 38px; font-size: 14px; }
    .logo img { width: 112px; }
    .hero-inner { padding-top: 76px; }
    .movie-hero { min-height: 560px; }
}
