:root {
  --bg: #07101d;
  --bg-deep: #030912;
  --panel: #0c1928;
  --panel-light: #e8f0ef;
  --ink: #ecf5f5;
  --muted: #9aabb8;
  --dark-ink: #14212d;
  --line: rgba(192, 226, 229, .18);
  --cyan: #6cf0dd;
  --cyan-deep: #1ebcae;
  --blue: #3d70ff;
  --coral: #fb8c75;
  --max: 1180px;
  --sans: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --display: "Noto Serif SC", "Songti SC", SimSun, serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 82px; }
body { margin: 0; overflow-x: hidden; background: var(--bg); color: var(--ink); font-family: var(--sans); line-height: 1.75; }
body.gate-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

.container { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
.skip-link { position: fixed; z-index: 1000; top: -60px; left: 16px; padding: 9px 14px; background: var(--cyan); color: var(--bg-deep); }
.skip-link:focus { top: 14px; }
.eyebrow { margin: 0 0 13px; color: var(--cyan); font-size: .68rem; font-weight: 700; letter-spacing: .2em; }

.age-gate { position: fixed; z-index: 999; inset: 0; display: grid; place-items: center; padding: 24px; background: rgba(2, 7, 14, .92); backdrop-filter: blur(12px); }
.age-gate[hidden] { display: none; }
.age-gate__panel { width: min(475px, 100%); padding: 45px 40px; border: 1px solid rgba(108, 240, 221, .35); background: linear-gradient(145deg, #12283c, #07101d); box-shadow: 0 32px 90px rgba(0, 0, 0, .58); text-align: center; }
.age-gate__mark { display: grid; width: 60px; height: 60px; place-items: center; margin: 0 auto 20px; border: 1px solid var(--cyan); border-radius: 50%; color: var(--cyan); font-size: 1.08rem; font-weight: 700; }
.age-gate h1 { margin: 0 0 13px; font: 700 clamp(1.75rem, 5vw, 2.25rem)/1.25 var(--display); }
.age-gate p:not(.eyebrow) { margin: 0; color: var(--muted); font-size: .92rem; }
.age-gate__actions { display: grid; gap: 10px; margin-top: 28px; }

.header { position: fixed; z-index: 50; top: 0; width: 100%; border-bottom: 1px solid transparent; transition: background .25s, border-color .25s; }
.header.is-scrolled { border-color: var(--line); background: rgba(3, 9, 18, .88); backdrop-filter: blur(16px); }
.header__inner { display: flex; height: 76px; align-items: center; justify-content: space-between; gap: 22px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: .83rem; font-weight: 700; letter-spacing: .13em; }
.brand small { display: block; margin-top: 3px; color: var(--muted); font-size: .54rem; letter-spacing: .17em; }
.brand__icon { display: inline-grid; width: 32px; height: 32px; place-items: center; border: 1px solid var(--cyan); color: var(--cyan); font: 700 1.1rem/1 Georgia, serif; }
.nav { display: flex; align-items: center; gap: 22px; color: var(--muted); font-size: .85rem; }
.nav > a:not(.nav__download):hover { color: var(--cyan); }
.nav__download { padding: 8px 14px; border: 1px solid var(--cyan); color: var(--cyan); transition: background .2s, color .2s; }
.nav__download:hover { background: var(--cyan); color: var(--bg-deep); }
.menu-toggle { display: none; width: 42px; height: 42px; border: 0; background: none; cursor: pointer; }
.menu-toggle span { display: block; width: 22px; height: 1px; margin: 5px auto; background: var(--ink); transition: transform .2s, opacity .2s; }

.hero { position: relative; min-height: 750px; padding: 154px 0 96px; overflow: hidden; background: radial-gradient(circle at 76% 24%, rgba(61, 112, 255, .3), transparent 25%), radial-gradient(circle at 33% 72%, rgba(30, 188, 174, .13), transparent 28%), var(--bg-deep); }
.hero::before { position: absolute; top: 0; right: 0; bottom: 0; left: 48%; content: ""; opacity: .32; background: linear-gradient(135deg, transparent 0 49.7%, rgba(108, 240, 221, .28) 49.8% 50%, transparent 50.1%), linear-gradient(45deg, transparent 0 49.7%, rgba(108, 240, 221, .17) 49.8% 50%, transparent 50.1%); background-size: 72px 72px; mask-image: linear-gradient(to left, #000, transparent); }
.hero__grid { position: absolute; inset: 0; opacity: .08; background-image: linear-gradient(var(--cyan) 1px, transparent 1px), linear-gradient(90deg, var(--cyan) 1px, transparent 1px); background-size: 56px 56px; mask-image: linear-gradient(to bottom, #000, transparent 88%); }
.hero__layout { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: clamp(50px, 8vw, 130px); }
.catalogue { margin: 0 0 16px; color: var(--muted); font-size: .76rem; letter-spacing: .18em; }
.catalogue strong { margin-left: 8px; color: var(--cyan); letter-spacing: .1em; }
.hero h1 { max-width: 720px; margin: 0; font: 700 clamp(2.8rem, 6vw, 5.45rem)/1.1 var(--display); letter-spacing: .01em; }
.hero h1 em { color: var(--cyan); font-style: normal; }
.hero__copy { max-width: 550px; margin: 26px 0 29px; color: var(--muted); font-size: 1rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 12px; padding: 12px 21px; border: 1px solid transparent; cursor: pointer; font-size: .9rem; font-weight: 700; transition: transform .2s, background .2s, border-color .2s; }
.button:hover { transform: translateY(-2px); }
.button--primary { background: var(--cyan); color: #06201f; }
.button--primary:hover { background: #b9fff3; }
.button--outline { border-color: rgba(236, 245, 245, .38); color: var(--ink); }
.button--outline:hover, .button--quiet:hover { border-color: var(--cyan); color: var(--cyan); }
.button--quiet { border-color: var(--line); color: var(--muted); }
.hero__notice { margin: 29px 0 0; color: #77909d; font-size: .7rem; letter-spacing: .08em; }
.hero__marker { position: absolute; z-index: 1; bottom: 34px; left: max(24px, calc((100vw - var(--max)) / 2)); display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: .62rem; letter-spacing: .14em; }
.hero__marker i { display: block; width: 66px; height: 1px; background: linear-gradient(to right, var(--cyan) 35%, var(--line) 35%); }

.watch-section { padding: 0 0 82px; background: var(--bg-deep); }
.watch-panel { display: flex; align-items: center; justify-content: space-between; gap: 42px; padding: clamp(28px, 5vw, 54px); border: 1px solid rgba(108, 240, 221, .3); background: linear-gradient(110deg, rgba(17, 60, 80, .72), rgba(7, 16, 29, .96) 62%); }
.watch-panel h2 { margin: 0; font: 700 clamp(1.6rem, 3vw, 2.45rem)/1.3 var(--display); }
.watch-panel__content > p:last-child { max-width: 620px; margin: 14px 0 0; color: var(--muted); font-size: .9rem; }
.watch-panel__button { display: inline-flex; flex: none; align-items: center; gap: 14px; padding: 10px 24px 10px 11px; border: 1px solid var(--cyan); background: rgba(108, 240, 221, .08); color: var(--cyan); font-size: .92rem; font-weight: 700; transition: background .2s, transform .2s; }
.watch-panel__button:hover { transform: translateY(-3px); background: var(--cyan); color: var(--bg-deep); }
.watch-panel__icon { display: grid; width: 45px; height: 45px; place-items: center; padding-left: 2px; border-radius: 50%; background: var(--cyan); color: var(--bg-deep); font-size: .92rem; }
.watch-panel__button:hover .watch-panel__icon { background: var(--bg-deep); color: var(--cyan); }
.watch-panel__button small { display: block; margin-top: 2px; color: var(--muted); font-size: .58rem; letter-spacing: .14em; }
.watch-panel__button:hover small { color: rgba(3, 9, 18, .72); }

.archive-card { position: relative; padding: 18px; border: 1px solid rgba(108, 240, 221, .3); background: linear-gradient(145deg, rgba(17, 40, 59, .85), rgba(6, 14, 25, .95)); box-shadow: 22px 28px 0 rgba(0, 0, 0, .16); }
.archive-card::before { position: absolute; top: -9px; right: 18px; left: 18px; height: 8px; border: 1px solid rgba(108, 240, 221, .24); border-bottom: 0; content: ""; }
.archive-card__header { display: flex; justify-content: space-between; padding: 0 0 14px; color: var(--muted); font-size: .61rem; letter-spacing: .14em; }
.archive-card__status { color: var(--cyan); }
.archive-card__status i { display: inline-block; width: 6px; height: 6px; margin: 0 5px 1px 0; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.archive-card__code { position: relative; display: flex; min-height: 345px; flex-direction: column; justify-content: flex-end; padding: 28px; overflow: hidden; border: 1px solid rgba(108, 240, 221, .22); background: linear-gradient(150deg, transparent 0 58%, rgba(108, 240, 221, .09) 58% 58.5%, transparent 58.5%), radial-gradient(circle at 80% 17%, rgba(61, 112, 255, .8), transparent 27%), #071426; }
.archive-card__code::after { position: absolute; top: 20px; right: 20px; width: 62px; height: 62px; border: 1px solid rgba(108, 240, 221, .5); border-radius: 50%; content: ""; box-shadow: 0 0 0 10px rgba(108, 240, 221, .05); }
.archive-card__code span { color: var(--cyan); font-size: 1rem; font-weight: 700; letter-spacing: .34em; }
.archive-card__code b { margin: 14px 0 18px; color: #fff; font: 700 clamp(2.7rem, 5vw, 4.1rem)/.85 Georgia, serif; letter-spacing: -.05em; }
.archive-card__code small { color: var(--muted); font-size: .57rem; letter-spacing: .17em; }
.archive-card__specs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 16px 0 0; }
.archive-card__specs div { min-width: 0; }
.archive-card__specs dt { color: var(--muted); font-size: .6rem; }
.archive-card__specs dd { margin: 3px 0 0; overflow: hidden; color: var(--ink); font-size: .66rem; text-overflow: ellipsis; white-space: nowrap; }

.section { padding: 116px 0; }
.section-heading { max-width: 720px; margin-bottom: 50px; }
.section-heading h2, .signal h2, .cta h2 { margin: 0; font: 700 clamp(2rem, 4.5vw, 3.35rem)/1.25 var(--display); }
.section-heading > p:last-child { margin: 14px 0 0; color: var(--muted); font-size: .93rem; }
.overview { background: var(--panel-light); color: var(--dark-ink); }
.overview .eyebrow, .reading .eyebrow { color: #178b88; }
.overview__grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(50px, 9vw, 150px); }
.overview__copy p { max-width: 610px; margin: 0 0 20px; color: #506270; }
.overview__copy .lead { color: var(--dark-ink); font: 600 clamp(1.25rem, 2.3vw, 1.72rem)/1.55 var(--display); }
.overview__copy strong { color: #147a7a; }
.metadata { margin: 0; border-top: 1px solid rgba(20, 33, 45, .25); }
.metadata div { display: flex; justify-content: space-between; gap: 18px; padding: 15px 0; border-bottom: 1px solid rgba(20, 33, 45, .18); }
.metadata dt { color: #73818a; font-size: .84rem; }
.metadata dd { margin: 0; color: #1a2d39; font-size: .88rem; font-weight: 700; text-align: right; }
.metadata__live { color: #118278; }
.metadata__live::before { display: inline-block; width: 7px; height: 7px; margin: 0 6px 1px 0; border-radius: 50%; background: currentColor; content: ""; }

.section--dark { background: #0a1624; }
.step-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.step { min-height: 253px; padding: 29px 30px 20px 0; border-right: 1px solid var(--line); }
.step + .step { padding-left: 30px; }
.step:last-child { border-right: 0; }
.step__number { color: var(--cyan); font-size: .7rem; letter-spacing: .16em; }
.step h3 { margin: 54px 0 12px; font: 700 1.3rem/1.35 var(--display); }
.step p { margin: 0; color: var(--muted); font-size: .89rem; }

.signal { overflow: hidden; background: radial-gradient(circle at 17% 55%, rgba(61, 112, 255, .23), transparent 22%), var(--bg-deep); }
.signal__layout { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: clamp(50px, 10vw, 160px); }
.signal__visual { position: relative; display: grid; width: min(100%, 400px); aspect-ratio: 1; place-items: center; margin: auto; border: 1px solid rgba(108, 240, 221, .32); border-radius: 50%; background: repeating-radial-gradient(circle, rgba(108, 240, 221, .08) 0 1px, transparent 1px 34px); }
.signal__ring { position: absolute; border: 1px solid rgba(108, 240, 221, .28); border-radius: 50%; }
.signal__ring--one { inset: 13%; }
.signal__ring--two { inset: 29%; border-color: rgba(61, 112, 255, .6); }
.signal__dot { position: absolute; top: 14%; right: 21%; width: 10px; height: 10px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 17px var(--cyan); }
.signal__visual strong { position: relative; color: var(--cyan); font: 700 clamp(2rem, 4vw, 3.7rem)/1 Georgia, serif; letter-spacing: -.05em; }
.signal__content { max-width: 560px; }
.signal__content > p:not(.eyebrow) { margin: 20px 0; color: var(--muted); }
.signal__content ul { display: grid; gap: 9px; margin: 0 0 25px; padding: 0; list-style: none; color: #c8d7dc; font-size: .9rem; }
.signal__content li::before { margin-right: 10px; color: var(--cyan); content: "↗"; }
.text-link { display: inline-block; padding-bottom: 4px; border-bottom: 1px solid var(--cyan); color: var(--cyan); font-size: .88rem; font-weight: 700; }
.text-link span { margin-left: 7px; }

.reading { background: #dfe9e8; color: var(--dark-ink); }
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.article-card { display: flex; min-height: 310px; flex-direction: column; padding: 30px; border: 1px solid rgba(20, 33, 45, .2); background: rgba(255, 255, 255, .38); transition: transform .25s, box-shadow .25s, background .25s; }
.article-card:hover { transform: translateY(-5px); background: #f5faf9; box-shadow: 0 18px 32px rgba(30, 57, 68, .13); }
.article-card__index { color: #178b88; font-size: .67rem; font-weight: 700; letter-spacing: .13em; }
.article-card h3 { margin: 28px 0 14px; font: 700 1.32rem/1.45 var(--display); }
.article-card h3 a:hover { color: #147a7a; }
.article-card p { margin: 0; color: #5b6c76; font-size: .88rem; }
.article-card__link { margin-top: auto; padding-top: 26px; color: #137c7a; font-size: .82rem; font-weight: 700; }
.article-card__link span { margin-left: 5px; }

.reviews { background: #f1f6f5; color: var(--dark-ink); }
.reviews .eyebrow { color: #178b88; }
.reviews .section-heading > p:last-child { color: #5b6c76; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.review-card { min-height: 235px; padding: 28px; border: 1px solid rgba(20, 33, 45, .16); background: #fff; box-shadow: 0 12px 28px rgba(30, 57, 68, .07); }
.review-card__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.review-card__score { color: #147a7a; font-size: 1.25rem; font-weight: 700; }
.review-card__stars { color: #f3a83d; font-size: .8rem; letter-spacing: .1em; }
.review-card blockquote { margin: 34px 0 26px; color: #2c4150; font: 600 1.06rem/1.7 var(--display); }
.review-card__author { margin: 0; color: #415966; font-size: .8rem; font-weight: 700; }
.review-card__author span { color: #7a8991; font-weight: 400; }

.faq { background: var(--panel); }
.faq__layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(44px, 8vw, 120px); align-items: start; }
.faq .section-heading { margin: 0; }
.faq__list { border-top: 1px solid var(--line); }
.faq__list details { border-bottom: 1px solid var(--line); }
.faq__list summary { position: relative; padding: 20px 34px 20px 0; cursor: pointer; list-style: none; font: 700 1.01rem/1.45 var(--display); }
.faq__list summary::-webkit-details-marker { display: none; }
.faq__list summary::after { position: absolute; top: 19px; right: 4px; color: var(--cyan); content: "+"; font: 300 1.45rem/1 var(--sans); transition: transform .2s; }
.faq__list details[open] summary::after { transform: rotate(45deg); }
.faq__list p { max-width: 700px; margin: -1px 0 20px; color: var(--muted); font-size: .89rem; }

.cta { padding-top: 0; background: var(--panel); }
.cta__panel { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 44px; padding: clamp(31px, 6vw, 70px); border: 1px solid rgba(108, 240, 221, .35); background: linear-gradient(112deg, #133e50, #0a1729 60%); }
.cta__panel > div p:last-child { max-width: 590px; margin: 16px 0 0; color: #b2c5ce; font-size: .92rem; }
.cta .button { white-space: nowrap; }

.footer { padding: 30px 0; border-top: 1px solid var(--line); background: var(--bg-deep); color: var(--muted); font-size: .74rem; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer__inner > div { display: flex; align-items: center; gap: 8px; color: var(--ink); font-size: .82rem; letter-spacing: .1em; }
.footer .brand__icon { width: 25px; height: 25px; font-size: .85rem; }
.footer p { margin: 0; }
.footer a:hover { color: var(--cyan); }

.article-page { background: var(--bg-deep); }
.article-header { border-bottom: 1px solid var(--line); background: rgba(3, 9, 18, .92); }
.article-header__inner { display: flex; min-height: 74px; align-items: center; justify-content: space-between; gap: 20px; }
.article-header__actions { display: flex; align-items: center; gap: 18px; }
.article-header__back { color: var(--muted); font-size: .83rem; }
.article-header__back:hover { color: var(--cyan); }
.article-header__download { padding: 7px 12px; border: 1px solid var(--cyan); color: var(--cyan); font-size: .77rem; font-weight: 700; }
.article-header__download:hover { background: var(--cyan); color: var(--bg-deep); }
.article-hero { padding: 92px 0 64px; background: radial-gradient(circle at 80% 15%, rgba(61, 112, 255, .32), transparent 26%), var(--bg); }
.article-hero__inner { max-width: 820px; }
.article-hero h1 { max-width: 780px; margin: 0; font: 700 clamp(2.2rem, 5vw, 4rem)/1.2 var(--display); }
.article-hero__meta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 22px; color: var(--muted); font-size: .77rem; }
.article-hero__meta span + span::before { margin-right: 14px; color: var(--cyan); content: "•"; }
.article-content { width: min(760px, calc(100% - 48px)); margin: 0 auto; padding: 68px 0 86px; color: #cbd9de; font-size: 1rem; }
.article-content > p { margin: 0 0 22px; }
.article-content .article-lead { color: var(--ink); font: 600 1.28rem/1.7 var(--display); }
.article-content h2 { margin: 52px 0 18px; color: var(--cyan); font: 700 clamp(1.45rem, 3vw, 2rem)/1.35 var(--display); }
.article-content ul { margin: 0 0 24px; padding-left: 1.3em; }
.article-content li { margin-bottom: 10px; padding-left: 4px; }
.article-tip { margin: 38px 0; padding: 22px 24px; border-left: 2px solid var(--cyan); background: rgba(108, 240, 221, .08); color: var(--ink); }
.article-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line); }
.article-links a { padding: 13px 15px; border: 1px solid var(--line); color: var(--muted); font-size: .83rem; }
.article-links a:hover { border-color: var(--cyan); color: var(--cyan); }
.article-inline-cta { width: min(760px, calc(100% - 48px)); margin: -22px auto 0; padding: 8px; background: linear-gradient(110deg, var(--cyan), var(--blue)); box-shadow: 0 16px 38px rgba(0, 0, 0, .28); }
.article-inline-cta__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 20px 22px; border: 1px solid rgba(3, 9, 18, .26); background: rgba(3, 9, 18, .12); }
.article-inline-cta span { display: block; color: rgba(3, 9, 18, .72); font-size: .61rem; font-weight: 700; letter-spacing: .14em; }
.article-inline-cta strong { display: block; margin-top: 8px; color: #082129; font: 700 1.35rem/1.25 var(--display); }
.article-inline-cta p { margin: 7px 0 0; color: rgba(3, 9, 18, .76); font-size: .81rem; }
.article-inline-cta a { flex: none; padding: 13px 18px; background: var(--bg-deep); color: var(--cyan); font-size: .88rem; font-weight: 700; }
.article-inline-cta a:hover { background: #000; }

.player-page { min-height: 100vh; background: radial-gradient(circle at 76% 15%, rgba(61, 112, 255, .26), transparent 26%), var(--bg-deep); }
.player-main { padding: clamp(52px, 9vw, 110px) 0; }
.player-shell { width: min(1000px, calc(100% - 48px)); margin: 0 auto; }
.player-shell h1 { margin: 0; font: 700 clamp(2rem, 4vw, 3.25rem)/1.25 var(--display); }
.player-main__notice { margin: 14px 0 30px; color: var(--muted); font-size: .88rem; }
.player-playlist { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 16px; }
.player-playlist__item { padding: 9px 16px; border: 1px solid var(--line); background: rgba(108, 240, 221, .04); color: var(--muted); cursor: pointer; font-size: .76rem; font-weight: 700; letter-spacing: .08em; }
.player-playlist__item:hover { border-color: var(--cyan); color: var(--cyan); }
.player-playlist__item.is-active { border-color: var(--cyan); background: var(--cyan); color: var(--bg-deep); }
.player-frame { position: relative; overflow: hidden; aspect-ratio: 16 / 9; border: 1px solid rgba(108, 240, 221, .3); background: #000; box-shadow: 0 24px 55px rgba(0, 0, 0, .45); }
.player-frame video { display: block; width: 100%; height: 100%; background: #000; }
.player-start { position: absolute; inset: 0; display: grid; place-content: center; gap: 14px; border: 0; background: linear-gradient(180deg, rgba(3, 9, 18, .12), rgba(3, 9, 18, .72)); color: var(--ink); cursor: pointer; font-size: 1rem; font-weight: 700; }
.player-start[hidden] { display: none; }
.player-start__icon { display: grid; width: 78px; height: 78px; place-items: center; margin: 0 auto; padding-left: 4px; border: 1px solid var(--cyan); border-radius: 50%; background: rgba(108, 240, 221, .14); color: var(--cyan); font-size: 1.4rem; box-shadow: 0 0 0 12px rgba(108, 240, 221, .07); }
.player-message { position: absolute; right: 18px; bottom: 18px; left: 18px; padding: 12px 15px; border: 1px solid rgba(108, 240, 221, .5); background: rgba(3, 9, 18, .91); color: var(--ink); font-size: .84rem; text-align: center; }
.player-details { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 22px; padding: 18px 0; color: var(--muted); font-size: .7rem; letter-spacing: .1em; }
.player-details span + span::before { margin-right: 22px; color: var(--cyan); content: "•"; }
.player-details a { margin-left: auto; color: var(--cyan); font-weight: 700; letter-spacing: 0; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 800px) {
  .container { width: min(var(--max), calc(100% - 34px)); }
  .menu-toggle { display: block; }
  .nav { position: absolute; top: 76px; right: 0; left: 0; display: grid; max-height: 0; gap: 0; overflow: hidden; border-bottom: 1px solid transparent; background: #07101d; transition: max-height .25s, border-color .25s; }
  .nav.is-open { max-height: 370px; border-color: var(--line); }
  .nav a { padding: 14px 24px; }
  .nav__download { margin: 8px 24px 18px; text-align: center; }
  .menu-toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-toggle.is-open span:nth-child(2) { opacity: 0; }
  .menu-toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .hero { min-height: auto; padding: 130px 0 94px; }
  .hero__layout, .overview__grid, .signal__layout { grid-template-columns: 1fr; }
  .hero__layout { gap: 56px; }
  .archive-card { max-width: 440px; }
  .hero__marker { display: none; }
  .watch-section { padding-bottom: 56px; }
  .watch-panel { align-items: flex-start; flex-direction: column; gap: 24px; }
  .section { padding: 76px 0; }
  .step-grid, .article-grid, .review-grid { grid-template-columns: 1fr; }
  .step, .step + .step { min-height: auto; padding: 26px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .step h3 { margin-top: 29px; }
  .signal__visual { max-width: 330px; }
  .article-card { min-height: 0; }
  .faq__layout { grid-template-columns: 1fr; gap: 28px; }
  .cta__panel { grid-template-columns: 1fr; gap: 29px; }
  .cta .button { width: fit-content; }
  .footer__inner { display: grid; }
  .article-hero { padding-top: 64px; }
  .article-inline-cta, .article-content { width: min(760px, calc(100% - 34px)); }
  .article-content { padding: 52px 0 64px; }
  .article-header__back { display: none; }
  .player-shell { width: min(1000px, calc(100% - 34px)); }
  .player-details a { margin-left: 0; }
}

@media (max-width: 480px) {
  .age-gate__panel { padding: 35px 23px; }
  .hero h1 { font-size: 2.7rem; }
  .archive-card__code { min-height: 275px; }
  .archive-card__specs { grid-template-columns: 1fr; gap: 10px; }
  .hero__actions .button, .cta .button { width: 100%; }
  .watch-panel__button { width: 100%; justify-content: center; }
  .metadata div { display: grid; gap: 4px; }
  .metadata dd { text-align: left; }
  .article-links { grid-template-columns: 1fr; }
  .article-inline-cta__inner { align-items: flex-start; flex-direction: column; }
  .article-inline-cta a { width: 100%; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}