:root {
    --black: #000000;
    --deep: #050505;
    --panel: #0b0b0b;
    --panel-2: #121212;
    --hover: #1a1a1a;
    --white: #ffffff;
    --title: #f7f7f7;
    --text: #dddddd;
    --muted: #a5a5a5;
    --quiet: #727272;
    --silver: #c7c7c7;
    --line: rgba(255,255,255,.12);
    --line-strong: rgba(255,255,255,.40);
    --shadow: 0 18px 46px rgba(0,0,0,.48);
    --glow: 0 12px 34px rgba(255,255,255,.08);
    --shell: min(1320px, calc(100% - 40px));
    --header-height: 154px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--black); }
body {
    margin: 0;
    background: var(--black);
    color: var(--text);
    font-family: Arial, "Microsoft YaHei", "PingFang SC", sans-serif;
    line-height: 1.72;
    overflow-x: hidden;
    text-rendering: optimizeLegibility;
}
body.overlay-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
a, button, input, summary { -webkit-tap-highlight-color: transparent; }
button, input { font: inherit; }
button { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
figure { margin: 0; }
::selection { background: #fff; color: #000; }
.shell { width: var(--shell); margin: 0 auto; }
.mobile-only { display: none; }
.skip-link {
    position: fixed; left: 16px; top: 10px; z-index: 999;
    transform: translateY(-140%); background: #fff; color: #000;
    padding: 10px 14px; border-radius: 4px; font-weight: 700;
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(0,0,0,.97); backdrop-filter: blur(10px); }
.info-bar { border-bottom: 1px solid var(--line); background: var(--black); }
.info-bar__inner { height: 34px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; font-size: 12px; color: var(--muted); }
.info-brand { margin: 0; white-space: nowrap; }
.info-links { display: flex; gap: 20px; }
.info-actions { justify-self: end; display: flex; align-items: center; gap: 16px; }
.info-bar a:hover, .plain-button:hover { color: var(--white); }
.plain-button { border: 0; background: transparent; padding: 4px 0; cursor: pointer; }
.brand-nav { border-bottom: 1px solid var(--line); }
.brand-nav__inner { min-height: 72px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 18px; }
.brand-nav__side { min-width: 0; display: flex; align-items: center; gap: 18px; }
.brand-nav__side--right { justify-content: flex-end; }
.menu-button, .app-button, .nav-text-link { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
.menu-button { gap: 8px; padding: 0 6px 0 0; border: 0; background: transparent; cursor: pointer; font-weight: 700; }
.current-channel { color: var(--quiet); font-size: 13px; padding-left: 18px; border-left: 1px solid var(--line); white-space: nowrap; }
.brand-logo { position: relative; z-index: 2; min-width: 150px; min-height: 52px; display: flex; align-items: center; justify-content: center; }
.brand-logo__image { max-width: 150px; max-height: 52px; object-fit: contain; }
.text-logo { display: inline-flex; flex-direction: column; align-items: center; justify-content: center; line-height: 1; text-align: center; }
.text-logo strong { font-size: 27px; letter-spacing: .24em; margin-right: -.24em; color: #fff; }
.text-logo small { margin-top: 6px; color: var(--muted); font-size: 9px; letter-spacing: .2em; }
.nav-text-link { font-size: 13px; color: var(--silver); }
.app-button { min-width: 92px; padding: 0 18px; background: #fff; color: #000; font-size: 13px; font-weight: 800; border: 1px solid #fff; white-space: nowrap; }
.app-button:hover { background: transparent; color: #fff; }
.channel-nav { border-bottom: 1px solid var(--line); }
.channel-nav__inner { height: 48px; display: flex; align-items: stretch; min-width: 0; }
.channel-scroll { display: flex; min-width: 0; flex: 1; overflow-x: auto; scrollbar-width: none; }
.channel-scroll::-webkit-scrollbar { display: none; }
.channel-link { position: relative; display: inline-flex; align-items: center; min-height: 48px; padding: 0 18px; color: var(--muted); font-size: 13px; white-space: nowrap; }
.channel-link::after { content: ""; position: absolute; left: 18px; right: 18px; bottom: 0; height: 2px; background: #fff; transform: scaleX(0); transform-origin: center; transition: transform .2s ease; pointer-events: none; }
.channel-link:hover, .channel-link.is-active { color: #fff; }
.channel-link.is-active::after, .channel-link:hover::after { transform: scaleX(1); }
.more-wrap { position: relative; flex: 0 0 auto; border-left: 1px solid var(--line); }
.more-button { height: 48px; min-width: 92px; border: 0; background: #000; cursor: pointer; font-weight: 700; }
.more-menu { position: absolute; right: 0; top: calc(100% + 1px); width: 200px; padding: 8px; background: #0b0b0b; border: 1px solid var(--line); box-shadow: var(--shadow); visibility: hidden; opacity: 0; pointer-events: none; transform: translateY(-6px); transition: .18s ease; }
.more-menu.is-open { visibility: visible; opacity: 1; pointer-events: auto; transform: translateY(0); }
.more-menu a { display: block; padding: 11px 12px; color: var(--muted); }
.more-menu a:hover { background: var(--hover); color: #fff; }
.site-main { min-height: 55vh; }
.page-hero { padding: 82px 0 58px; border-bottom: 1px solid var(--line); background: var(--deep); }
.page-hero__grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); gap: 56px; align-items: end; }
.eyebrow { margin: 0 0 12px; color: var(--silver); font-size: 11px; font-weight: 800; letter-spacing: .22em; text-transform: uppercase; }
.page-hero h1, .cinematic-hero h1 { margin: 0; color: var(--title); font-size: clamp(42px, 7vw, 92px); line-height: .98; letter-spacing: -.05em; }
.page-hero__intro { margin: 0; color: var(--text); font-size: 17px; max-width: 660px; }
.breadcrumb { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 26px; color: var(--quiet); font-size: 13px; }
.breadcrumb a:hover { color: #fff; }
.content-section { padding: 76px 0; border-bottom: 1px solid var(--line); }
.content-section--soft { background: var(--deep); }
.section-head { display: grid; grid-template-columns: minmax(220px, .55fr) minmax(0, 1.45fr); gap: 44px; align-items: end; margin-bottom: 34px; }
.section-head h2 { margin: 0; color: var(--title); font-size: clamp(30px, 4vw, 56px); line-height: 1.08; letter-spacing: -.035em; }
.section-head p { margin: 0; color: var(--muted); max-width: 760px; }
.section-kicker { display: block; margin-bottom: 8px; color: var(--quiet); font-size: 12px; font-weight: 800; letter-spacing: .18em; }
.card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.card { min-width: 0; min-height: 250px; padding: 28px; background: var(--panel); display: flex; flex-direction: column; }
.card:hover { background: var(--panel-2); }
.card__number { color: var(--quiet); font-size: 12px; letter-spacing: .14em; }
.card h3 { margin: 24px 0 12px; color: #fff; font-size: 22px; line-height: 1.3; }
.card p { margin: 0 0 22px; color: var(--muted); font-size: 14px; }
.card .meta { margin-top: auto; color: var(--silver); font-size: 12px; border-top: 1px solid var(--line); padding-top: 14px; }
.card-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; font-weight: 800; font-size: 13px; color: #fff; }
.card-link::after { content: "→"; }
.two-column { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(300px, .9fr); gap: 44px; align-items: start; }
.prose { color: var(--text); }
.prose p { margin: 0 0 20px; }
.prose h2, .prose h3 { color: #fff; line-height: 1.25; }
.prose h2 { font-size: 34px; margin: 0 0 24px; }
.prose h3 { font-size: 21px; margin: 30px 0 12px; }
.notice-box { padding: 28px; border: 1px solid var(--line-strong); background: var(--panel); box-shadow: var(--glow); }
.notice-box h2, .notice-box h3 { margin-top: 0; color: #fff; }
.notice-box p:last-child { margin-bottom: 0; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { display: inline-flex; min-height: 36px; align-items: center; padding: 0 12px; border: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.primary-button, .secondary-button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; padding: 0 20px; font-size: 13px; font-weight: 800; white-space: nowrap; border: 1px solid #fff; }
.primary-button { background: #fff; color: #000; }
.primary-button:hover { background: #ddd; }
.secondary-button { background: transparent; color: #fff; border-color: var(--line-strong); }
.secondary-button:hover { background: #fff; color: #000; }
.media-frame { position: relative; overflow: hidden; background: #111; border: 1px solid var(--line); }
.media-frame img { width: 100%; height: 100%; object-fit: contain; filter: grayscale(1); }
.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame--portrait { aspect-ratio: 4 / 5; }
.visual-fallback { min-height: 100%; width: 100%; display: flex; align-items: flex-end; padding: 34px; background: linear-gradient(135deg, #050505 0 52%, #151515 52% 100%); border: 1px solid var(--line); }
.visual-fallback span { color: #fff; font-weight: 800; font-size: clamp(26px, 4vw, 58px); max-width: 520px; line-height: 1.05; letter-spacing: -.04em; }
.cinematic-hero { padding: 52px 0 76px; background: #000; border-bottom: 1px solid var(--line); }
.cinematic-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(330px, .65fr); gap: 48px; align-items: center; }
.cinematic-copy p { color: var(--muted); max-width: 620px; margin: 24px 0 0; }
.hero-news { margin-top: 30px; border-top: 1px solid var(--line); }
.hero-news a { display: grid; grid-template-columns: 92px 1fr auto; gap: 16px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--muted); }
.hero-news strong { color: #fff; font-size: 13px; }
.hero-news span { font-size: 13px; }
.hero-news b { font-size: 15px; }
.feature-layout { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.feature-main, .feature-list article { background: var(--panel); }
.feature-main { padding: 42px; min-height: 460px; display: flex; flex-direction: column; justify-content: flex-end; }
.feature-main h3 { margin: 10px 0 18px; font-size: clamp(32px, 5vw, 58px); line-height: 1.04; color: #fff; }
.feature-main p { color: var(--muted); max-width: 760px; }
.feature-list { display: grid; grid-template-rows: repeat(4, 1fr); gap: 1px; background: var(--line); }
.feature-list article { padding: 22px; }
.feature-list h3 { margin: 4px 0 8px; color: #fff; font-size: 18px; }
.feature-list p { margin: 0; color: var(--muted); font-size: 13px; }
.editorial-list { border-top: 1px solid var(--line); }
.editorial-item { display: grid; grid-template-columns: 70px minmax(0, 1fr) 180px; gap: 28px; padding: 28px 0; border-bottom: 1px solid var(--line); align-items: start; }
.editorial-item__index { color: var(--quiet); font-size: 12px; }
.editorial-item h3 { margin: 0 0 10px; color: #fff; font-size: 24px; }
.editorial-item p { margin: 0; color: var(--muted); }
.editorial-item__aside { color: var(--silver); font-size: 12px; text-align: right; }
.timeline { border-left: 1px solid var(--line-strong); margin-left: 9px; }
.timeline article { position: relative; padding: 0 0 32px 34px; }
.timeline article::before { content: ""; position: absolute; left: -5px; top: 7px; width: 9px; height: 9px; background: #fff; border-radius: 50%; }
.timeline h3 { margin: 0 0 8px; color: #fff; }
.timeline p { margin: 0; color: var(--muted); }
.timeline .status { display: inline-flex; margin-top: 10px; padding: 4px 9px; border: 1px solid var(--line); font-size: 11px; color: var(--silver); }
.faq-list { display: grid; gap: 10px; }
details { border: 1px solid var(--line); background: var(--panel); }
summary { cursor: pointer; list-style: none; min-height: 58px; padding: 16px 50px 16px 20px; color: #fff; font-weight: 800; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); color: var(--silver); font-size: 22px; }
details[open] summary::after { content: "−"; }
details p { margin: 0; padding: 0 20px 20px; color: var(--muted); }
.related-links { display: flex; flex-wrap: wrap; gap: 10px; }
.related-links a { min-height: 44px; display: inline-flex; align-items: center; padding: 0 14px; border: 1px solid var(--line); color: var(--silver); }
.related-links a:hover { border-color: var(--line-strong); color: #fff; }
.closing-note { padding: 54px 0; text-align: center; }
.closing-note p { margin: 0 auto 20px; max-width: 780px; color: var(--muted); }
.site-footer { background: #000; border-top: 1px solid var(--line); }
.footer-brand-row { display: grid; grid-template-columns: minmax(240px, .8fr) minmax(0, 2.2fr); gap: 60px; padding: 64px 0 44px; }
.footer-brand p { color: var(--muted); font-size: 13px; max-width: 340px; }
.footer-logo { display: inline-flex; min-height: 56px; align-items: center; }
.footer-logo__image { max-width: 150px; max-height: 52px; object-fit: contain; }
.footer-groups { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; }
.footer-groups h2 { margin: 0 0 18px; color: #fff; font-size: 13px; }
.footer-groups a { display: block; padding: 5px 0; color: var(--muted); font-size: 13px; }
.footer-groups a:hover { color: #fff; }
.footer-notice { display: flex; justify-content: space-between; gap: 40px; padding: 22px 0 calc(22px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); color: var(--quiet); font-size: 11px; }
.footer-notice p { margin: 0; max-width: 840px; }
.screen-overlay { position: fixed; inset: 0; z-index: 190; background: rgba(0,0,0,.78); visibility: hidden; opacity: 0; pointer-events: none; transition: opacity .2s ease, visibility .2s ease; }
.screen-overlay.is-open { visibility: visible; opacity: 1; pointer-events: auto; }
.site-drawer { position: fixed; inset: 0 auto 0 0; z-index: 200; width: min(520px, 90vw); background: #050505; border-right: 1px solid var(--line); box-shadow: var(--shadow); transform: translateX(-102%); visibility: hidden; pointer-events: none; transition: transform .24s ease, visibility .24s ease; display: flex; flex-direction: column; }
.site-drawer.is-open { transform: translateX(0); visibility: visible; pointer-events: auto; }
.drawer-head { height: 82px; flex: 0 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; border-bottom: 1px solid var(--line); }
.drawer-brand { display: inline-flex; align-items: center; min-height: 48px; }
.drawer-logo__image { max-width: 140px; max-height: 48px; object-fit: contain; }
.close-button { min-height: 42px; padding: 0 14px; border: 1px solid var(--line-strong); background: transparent; cursor: pointer; }
.close-button:hover { background: #fff; color: #000; }
.drawer-content { overflow-y: auto; padding: 8px 24px 40px; }
.drawer-group { padding: 24px 0; border-bottom: 1px solid var(--line); }
.drawer-group h2 { margin: 0 0 12px; color: var(--quiet); font-size: 11px; letter-spacing: .18em; }
.drawer-group a { display: block; padding: 12px 0; }
.drawer-group strong { display: block; color: #fff; font-size: 17px; }
.drawer-group span { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; }
.drawer-group a:hover span { color: var(--silver); }
.search-panel { position: fixed; inset: 0; z-index: 210; background: #000; visibility: hidden; opacity: 0; pointer-events: none; transform: translateY(-10px); transition: .2s ease; overflow-y: auto; }
.search-panel.is-open { visibility: visible; opacity: 1; pointer-events: auto; transform: translateY(0); }
.search-panel__inner { padding-top: 42px; padding-bottom: 80px; }
.search-head { display: flex; justify-content: space-between; align-items: center; }
.search-field { display: block; margin-top: 50px; }
.search-field span { display: block; margin-bottom: 12px; color: var(--muted); }
.search-field input { width: 100%; border: 0; border-bottom: 2px solid #fff; background: transparent; color: #fff; padding: 14px 0 18px; font-size: clamp(28px, 5vw, 62px); outline: none; }
.search-field input::placeholder { color: #3b3b3b; }
.search-grid { display: grid; grid-template-columns: 1.2fr .9fr .9fr; gap: 48px; margin-top: 54px; }
.search-grid h2 { color: #fff; font-size: 14px; margin: 0 0 16px; }
.search-links, .quick-pages { display: grid; gap: 8px; }
.search-links a, .quick-pages a { display: flex; min-height: 44px; align-items: center; padding: 0 12px; border: 1px solid var(--line); color: var(--muted); }
.search-links a:hover, .quick-pages a:hover { color: #fff; border-color: var(--line-strong); }
.keyword-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.keyword-cloud a { padding: 8px 10px; background: var(--panel); color: var(--silver); font-size: 12px; }
.search-empty { color: var(--quiet); }
.mobile-bottom-nav { display: none; }
.table-wrap { width: 100%; overflow-x: auto; border: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; min-width: 660px; }
th, td { padding: 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: var(--panel-2); color: #fff; font-size: 13px; }
td { color: var(--muted); font-size: 13px; }
.page-index .site-main { overflow: hidden; }
@media (max-width: 1060px) {
    :root { --shell: min(100% - 28px, 1320px); }
    .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .cinematic-grid, .feature-layout, .two-column, .page-hero__grid { grid-template-columns: 1fr; }
    .cinematic-copy { order: -1; }
    .feature-list { grid-template-columns: repeat(2, 1fr); grid-template-rows: none; }
    .footer-brand-row { grid-template-columns: 1fr; }
    .section-head { grid-template-columns: 1fr; gap: 12px; }
    .search-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
    :root { --shell: min(100% - 28px, 1320px); --header-height: 136px; }
    body { padding-bottom: calc(66px + env(safe-area-inset-bottom)); }
    .desktop-only { display: none !important; }
    .mobile-only { display: inline; }
    .info-bar__inner { grid-template-columns: 1fr auto; height: 30px; gap: 10px; font-size: 11px; }
    .info-actions { gap: 12px; }
    .brand-nav__inner { min-height: 60px; grid-template-columns: 1fr auto 1fr; gap: 8px; }
    .brand-logo { min-width: 108px; }
    .brand-logo__image { max-width: 108px; max-height: 42px; }
    .text-logo strong { font-size: 22px; }
    .text-logo small { font-size: 7px; margin-top: 4px; }
    .menu-button { min-width: 44px; justify-content: flex-start; font-size: 20px; }
    .app-button { min-width: 66px; padding: 0 11px; font-size: 12px; }
    .channel-nav__inner { width: 100%; }
    .channel-scroll { padding-left: 14px; }
    .channel-link { padding: 0 14px; }
    .more-button { min-width: 72px; }
    .page-hero { padding: 54px 0 42px; }
    .page-hero h1, .cinematic-hero h1 { font-size: clamp(40px, 13vw, 62px); }
    .page-hero__intro { font-size: 15px; }
    .cinematic-hero { padding: 38px 0 52px; }
    .cinematic-grid { gap: 30px; }
    .hero-news a { grid-template-columns: 76px 1fr auto; gap: 10px; }
    .hero-news span { font-size: 12px; }
    .content-section { padding: 54px 0; }
    .section-head { margin-bottom: 24px; }
    .card-grid { grid-template-columns: 1fr; }
    .card { min-height: 0; padding: 24px; }
    .feature-main { padding: 28px; min-height: 390px; }
    .feature-list { grid-template-columns: 1fr; }
    .editorial-item { grid-template-columns: 44px 1fr; gap: 14px; }
    .editorial-item__aside { grid-column: 2; text-align: left; }
    .search-panel__inner { padding-top: 24px; }
    .search-field { margin-top: 34px; }
    .search-grid { grid-template-columns: 1fr; gap: 30px; }
    .footer-groups { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-brand-row { padding: 48px 0 34px; gap: 34px; }
    .footer-notice { flex-direction: column; gap: 10px; padding-bottom: calc(86px + env(safe-area-inset-bottom)); }
    .mobile-bottom-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 120; height: calc(62px + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom); display: grid; grid-template-columns: repeat(5, 1fr); background: rgba(0,0,0,.97); border-top: 1px solid var(--line); }
    .mobile-bottom-nav a { min-height: 62px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; color: var(--quiet); font-size: 11px; }
    .mobile-bottom-nav a span { font-size: 16px; line-height: 1; }
    .mobile-bottom-nav a strong { font-size: 10px; }
    .mobile-bottom-nav a.is-active { color: #fff; }
    body.overlay-open .mobile-bottom-nav { visibility: hidden; pointer-events: none; }
    .site-drawer { width: min(90vw, 520px); }
    .drawer-head { height: 70px; padding: 0 16px; }
    .drawer-content { padding-left: 16px; padding-right: 16px; }
}
@media (max-width: 420px) {
    :root { --shell: calc(100% - 28px); }
    .footer-groups { grid-template-columns: 1fr 1fr; gap: 22px 16px; }
    .hero-news a { grid-template-columns: 1fr auto; }
    .hero-news span { grid-column: 1 / -1; }
    .button-row { display: grid; grid-template-columns: 1fr; }
    .primary-button, .secondary-button { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
