:root {
  --night: #090d2a;
  --night-soft: #111744;
  --ink: #17203e;
  --cloud: #f6f7ff;
  --paper: #ffffff;
  --muted: #69708d;
  --violet: #6955f7;
  --violet-deep: #4833c7;
  --cyan: #62dbe8;
  --coral: #ff7275;
  --coral-deep: #de505f;
  --sun: #ffc96b;
  --line: #e8eaf6;
  --success: #39b798;
  --shadow: 0 20px 50px rgba(23, 32, 62, .12);
  --radius-lg: 24px;
  --radius-md: 16px;
  --display: "Arial Narrow", "PingFang SC", "Microsoft YaHei", sans-serif;
  --body: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --ease-out: cubic-bezier(.23, 1, .32, 1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; font-family: var(--body); color: var(--ink); background: var(--cloud); line-height: 1.68; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
button:focus-visible, a:focus-visible, input:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }
.page-shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.nav-shell { width: min(1280px, calc(100% - 48px)); margin: 0 auto; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 1000; top: -60px; left: 16px; color: var(--night); background: var(--cyan); padding: 9px 14px; border-radius: 9px; font-size: .8rem; font-weight: 800; transition: top .2s var(--ease-out); }
.skip-link:focus { top: 16px; }

/* 01 · Brand navigation */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(9,13,42,.94); color: #fff; backdrop-filter: blur(18px); border-bottom: 1px solid rgba(255,255,255,.10); }
.site-header.is-scrolled { box-shadow: 0 12px 36px rgba(0,0,0,.2); }
.site-header .nav-shell { height: 76px; display: flex; align-items: center; gap: 24px; }
.brand-lockup { display: flex; align-items: center; gap: 10px; min-width: 156px; }
.brand-lockup img { width: 46px; height: 46px; border-radius: 14px; box-shadow: 0 6px 16px rgba(105,85,247,.32); }
.brand-lockup > span { display: grid; line-height: 1; }
.brand-lockup strong { color: #fff; font-family: var(--display); font-size: 1.22rem; letter-spacing: .06em; }
.brand-lockup em { max-width: 245px; color: var(--cyan); margin-top: 5px; font-size: .56rem; font-style: normal; line-height: 1.35; letter-spacing: .065em; }
.main-nav { display: flex; align-items: stretch; gap: 19px; margin-left: auto; }
.main-nav a { position: relative; display: flex; align-items: center; padding: 28px 0 25px; color: rgba(255,255,255,.76); font-size: .82rem; font-weight: 800; white-space: nowrap; transition: color .18s; }
.main-nav a::after { content: ""; position: absolute; right: 0; bottom: 16px; left: 0; height: 2px; background: var(--coral); border-radius: 99px; transform: scaleX(0); transform-origin: left; transition: transform .18s var(--ease-out); }
.main-nav a:hover, .main-nav a.is-active { color: #fff; }
.main-nav a:hover::after, .main-nav a.is-active::after { transform: scaleX(1); }
.nav-cta, .button-primary { display: inline-flex; align-items: center; justify-content: center; gap: 8px; color: #fff; background: var(--coral); border: 0; border-radius: 999px; padding: 10px 15px; font-size: .78rem; font-weight: 900; box-shadow: 0 10px 20px rgba(255,114,117,.23); transition: transform .18s var(--ease-out), background .18s; }
.nav-cta:hover, .button-primary:hover { background: var(--coral-deep); transform: translateY(-2px); }
.nav-cta:active, .button-primary:active { transform: scale(.97); }
.menu-button { display: none; border: 0; background: transparent; padding: 9px; }
.menu-button span { display: block; width: 24px; height: 2px; margin: 5px; background: #fff; transition: transform .2s var(--ease-out), opacity .2s; }
.search-ribbon { border-top: 1px solid rgba(255,255,255,.08); background: #0e1237; }
.search-grid { min-height: 48px; display: grid; grid-template-columns: 190px minmax(280px, 530px) 1fr; align-items: center; gap: 14px; }
.search-intro { color: var(--cyan); font-size: .72rem; font-weight: 900; letter-spacing: .10em; }
.site-search { position: relative; display: flex; }
.site-search input { width: 100%; height: 31px; padding: 0 91px 0 12px; border: 0; border-radius: 8px; color: var(--night); background: rgba(255,255,255,.96); font-size: .75rem; outline: 0; }
.site-search button { position: absolute; top: 3px; right: 3px; bottom: 3px; border: 0; border-radius: 6px; color: #fff; background: var(--violet); padding: 0 12px; font-size: .69rem; font-weight: 900; }
.search-grid small { color: rgba(255,255,255,.54); font-size: .68rem; text-align: right; }

/* 02 · Hero */
.hero { position: relative; isolation: isolate; overflow: hidden; min-height: 640px; color: #fff; background: var(--night); }
.hero-media { position: absolute; z-index: -2; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero::before { content: ""; position: absolute; z-index: -1; inset: 0; background: linear-gradient(90deg, rgba(9,13,42,.98) 0%, rgba(9,13,42,.88) 35%, rgba(9,13,42,.24) 72%, rgba(9,13,42,.50)); }
.hero::after { content: ""; position: absolute; z-index: -1; left: -140px; top: 80px; width: 480px; height: 480px; border-radius: 50%; background: var(--violet); opacity: .23; filter: blur(130px); }
.hero-inner { display: grid; grid-template-columns: minmax(0, 720px) 1fr; gap: 40px; min-height: 640px; align-items: center; }
.hero-copy { padding: 72px 0; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--cyan); margin: 0 0 15px; font-size: .72rem; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow::before { content: ""; display: block; width: 25px; height: 2px; background: currentColor; }
.hero h1 { max-width: 760px; margin: 0; font-family: var(--display); font-size: clamp(3.4rem, 7.1vw, 7.1rem); line-height: .83; letter-spacing: -.085em; }
.hero h1 span { display: block; color: var(--coral); font-size: .36em; line-height: 1.14; letter-spacing: -.04em; margin-top: 18px; }
.hero-lede { max-width: 580px; color: rgba(255,255,255,.78); margin: 25px 0; font-size: 1.03rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button-ghost { display: inline-flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,.48); color: #fff; border-radius: 999px; padding: 9px 15px; background: rgba(255,255,255,.06); font-size: .78rem; font-weight: 900; transition: background .18s, transform .18s var(--ease-out); }
.button-ghost:hover { background: rgba(255,255,255,.15); transform: translateY(-2px); }
.hero-points { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 610px; margin-top: 52px; border-top: 1px solid rgba(255,255,255,.20); }
.hero-points div { padding: 16px 14px 0 0; }
.hero-points div + div { border-left: 1px solid rgba(255,255,255,.20); padding-left: 16px; }
.hero-points strong { display: block; color: #fff; font-size: 1.08rem; }
.hero-points small { color: rgba(255,255,255,.62); font-size: .68rem; }
.hero-signal { align-self: end; justify-self: end; width: min(270px, 100%); margin-bottom: 42px; padding: 19px; border: 1px solid rgba(255,255,255,.22); background: rgba(10,15,49,.72); backdrop-filter: blur(12px); border-radius: var(--radius-md); }
.signal-top { display: flex; justify-content: space-between; gap: 8px; color: var(--cyan); margin-bottom: 14px; font-size: .64rem; font-weight: 900; letter-spacing: .11em; }
.signal-live { color: var(--coral); }
.signal-live::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 5px; border-radius: 50%; background: currentColor; }
.signal-title { margin: 0; font-size: .94rem; line-height: 1.43; }
.signal-bar { display: flex; gap: 3px; align-items: end; height: 30px; margin-top: 13px; }
.signal-bar i { display: block; width: 6px; background: var(--violet); border-radius: 9px; }
.signal-bar i:nth-child(2n) { background: var(--coral); }

/* 03 · Shared section system */
.section { padding: 96px 0; }
.section.soft { background: #eef0ff; }
.section.dark { position: relative; overflow: hidden; color: #fff; background: var(--night); }
.section.dark::before { content: ""; position: absolute; right: -180px; bottom: -210px; width: 580px; height: 580px; border-radius: 50%; background: var(--violet); opacity: .25; filter: blur(120px); }
.section-head { position: relative; display: flex; gap: 32px; align-items: end; justify-content: space-between; margin-bottom: 34px; }
.section-head .eyebrow { color: var(--violet); }
.section.dark .section-head .eyebrow { color: var(--cyan); }
.section-head h2 { max-width: 780px; margin: 0; font-family: var(--display); font-size: clamp(2.4rem, 5vw, 5.2rem); line-height: .9; letter-spacing: -.075em; }
.section-head h2 span { color: var(--coral); }
.section-head > p { max-width: 355px; margin: 0; color: var(--muted); font-size: .88rem; }
.section.dark .section-head > p { color: rgba(255,255,255,.69); }
.kicker-chip { display: inline-flex; align-items: center; gap: 5px; padding: 4px 9px; border-radius: 999px; background: #ebe9ff; color: var(--violet-deep); font-size: .62rem; font-weight: 900; letter-spacing: .07em; }
.kicker-chip.live { color: #9af0e1; background: rgba(57,183,152,.18); }
.text-link { color: var(--violet-deep); font-size: .78rem; font-weight: 900; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.dark .text-link { color: var(--cyan); }

/* 04 · Video cards */
.video-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 17px; }
.video-card { position: relative; grid-column: span 3; overflow: hidden; min-width: 0; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: 0 12px 28px rgba(23,32,62,.06); transition: transform .22s var(--ease-out), box-shadow .22s var(--ease-out); }
.video-card.featured { grid-column: span 6; }
.video-card:hover, .video-card:focus-within { z-index: 2; transform: translateY(-7px); box-shadow: var(--shadow); }
.video-frame { position: relative; display: block; overflow: hidden; aspect-ratio: 16 / 9; background: linear-gradient(135deg, #111744, #6955f7); }
.video-frame img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease-out), filter .3s; }
.video-card:hover .video-frame img, .video-card:focus-within .video-frame img { transform: scale(1.06); filter: brightness(.78); }
.video-frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 44%, rgba(8,11,32,.78)); }
.video-play { position: absolute; z-index: 2; top: 50%; left: 50%; width: 52px; height: 52px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.75); border-radius: 50%; color: #fff; background: rgba(9,13,42,.56); transform: translate(-50%,-50%) scale(.84); opacity: .22; transition: transform .22s var(--ease-out), opacity .22s; }
.video-play::before { content: "▶"; margin-left: 3px; font-size: .85rem; }
.video-card:hover .video-play, .video-card:focus-within .video-play { opacity: 1; transform: translate(-50%,-50%) scale(1); }
.video-duration { position: absolute; z-index: 3; right: 9px; bottom: 9px; padding: 3px 6px; border-radius: 4px; color: #fff; background: rgba(8,11,32,.74); font-size: .62rem; font-weight: 800; }
.video-card-copy { padding: 16px; }
.video-card h3 { margin: 8px 0 8px; font-size: 1rem; line-height: 1.4; }
.video-card.featured h3 { font-size: 1.25rem; }
.video-card p { margin: 0; color: var(--muted); font-size: .78rem; }
.video-meta { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 13px; color: var(--muted); font-size: .65rem; }
.video-meta span + span { padding-left: 7px; border-left: 1px solid var(--line); }
.video-status { position: absolute; z-index: 3; top: 10px; left: 10px; }
.interaction-note { margin-top: 20px; padding: 14px 16px; border-left: 3px solid var(--sun); background: #fff8e7; color: #765c2a; font-size: .76rem; }

/* 05 · Editorial layouts */
.manifesto { display: grid; grid-template-columns: 1.1fr .9fr; gap: 20px; }
.manifesto-main { position: relative; overflow: hidden; min-height: 422px; padding: 35px; border-radius: var(--radius-lg); color: #fff; background: var(--night); }
.manifesto-main::after { content: "TX / VIDEO"; position: absolute; right: -16px; bottom: -30px; color: rgba(255,255,255,.055); font-family: var(--display); font-size: 7rem; font-weight: 900; letter-spacing: -.1em; }
.manifesto-main h3 { max-width: 560px; margin: 12px 0 14px; font-family: var(--display); font-size: clamp(2.6rem,4vw,4.2rem); line-height: .9; letter-spacing: -.07em; }
.manifesto-main p { position: relative; z-index: 1; max-width: 545px; color: rgba(255,255,255,.73); font-size: .88rem; }
.manifesto-tags { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 7px; margin-top: 23px; }
.manifesto-tags span { padding: 6px 10px; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; color: var(--cyan); font-size: .68rem; font-weight: 800; }
.manifesto-side { display: grid; grid-template-rows: 1fr 1fr; gap: 20px; }
.info-card { padding: 27px; border-radius: var(--radius-lg); color: #fff; background: var(--violet); }
.info-card.coral { background: var(--coral); }
.info-card h3 { margin: 0 0 10px; font-family: var(--display); font-size: 2rem; letter-spacing: -.05em; line-height: .93; }
.info-card p { margin: 0; font-size: .79rem; opacity: .84; }
.metric-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 27px; }
.metric-row div { padding-top: 10px; border-top: 1px solid rgba(255,255,255,.24); }
.metric-row strong { display: block; font-size: 1.1rem; }
.metric-row small { font-size: .62rem; opacity: .72; }

/* 06 · AI, community and people */
.ai-grid { position: relative; display: grid; grid-template-columns: repeat(3,1fr); gap: 17px; }
.ai-card { min-height: 300px; display: flex; flex-direction: column; justify-content: space-between; padding: 25px; border: 1px solid rgba(255,255,255,.13); border-radius: var(--radius-md); background: rgba(255,255,255,.055); backdrop-filter: blur(12px); }
.ai-index { color: var(--sun); font-size: .67rem; font-weight: 900; letter-spacing: .12em; }
.ai-card h3 { margin: 20px 0 11px; font-family: var(--display); font-size: 1.75rem; line-height: .95; letter-spacing: -.05em; }
.ai-card p { margin: 0; color: rgba(255,255,255,.68); font-size: .8rem; }
.ai-track { height: 6px; overflow: hidden; border-radius: 9px; background: rgba(255,255,255,.15); }
.ai-track i { display: block; height: 100%; background: linear-gradient(90deg, var(--coral), var(--sun)); }
.community-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 20px; }
.community-media { position: relative; min-height: 425px; overflow: hidden; border-radius: var(--radius-lg); background: var(--night); }
.community-media img { width: 100%; height: 100%; object-fit: cover; }
.community-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(9,13,42,.82), transparent 65%); }
.community-media-copy { position: absolute; z-index: 2; bottom: 26px; right: 25px; left: 25px; color: #fff; }
.community-media-copy h3 { max-width: 500px; margin: 7px 0 6px; font-family: var(--display); font-size: clamp(2rem, 4vw, 3.6rem); line-height: .9; letter-spacing: -.06em; }
.community-media-copy p { max-width: 535px; margin: 0; color: rgba(255,255,255,.76); font-size: .8rem; }
.community-list { display: grid; gap: 12px; }
.community-item { display: grid; grid-template-columns: 54px 1fr auto; gap: 13px; align-items: center; min-height: 75px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 13px; background: #fff; transition: transform .2s var(--ease-out), border-color .2s; }
.community-item:hover { transform: translateX(5px); border-color: var(--violet); }
.creature { display: grid; width: 48px; height: 48px; place-items: center; border-radius: 14px; color: #fff; background: var(--violet); font-weight: 900; }
.community-item:nth-child(2) .creature { background: var(--coral); }
.community-item:nth-child(3) .creature { background: #35a5a8; }
.community-item:nth-child(4) .creature { background: #e79b3a; }
.community-item h3 { margin: 0; font-size: .91rem; }
.community-item p { margin: 2px 0 0; color: var(--muted); font-size: .68rem; }
.community-item b { color: var(--violet); font-size: .72rem; }
.people-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.person-card { overflow: hidden; background: #fff; border-radius: var(--radius-md); border: 1px solid var(--line); }
.person-avatar { height: 140px; display: flex; align-items: end; padding: 16px; color: #fff; background: linear-gradient(135deg, #312b75, #6955f7 53%, #62dbe8); }
.person-card:nth-child(2) .person-avatar { background: linear-gradient(135deg, #7a2d62, #ff7275 57%, #ffc96b); }
.person-card:nth-child(3) .person-avatar { background: linear-gradient(135deg, #055a6a, #35a5a8 58%, #62dbe8); }
.person-card:nth-child(4) .person-avatar { background: linear-gradient(135deg, #6d481c, #e79b3a 58%, #ffc96b); }
.person-avatar b { font-family: var(--display); font-size: 3.1rem; line-height: .8; letter-spacing: -.1em; }
.person-copy { padding: 17px; }
.person-copy .kicker-chip { margin-bottom: 8px; }
.person-copy h3 { margin: 0; font-size: 1rem; }
.person-copy p { min-height: 48px; margin: 7px 0; color: var(--muted); font-size: .73rem; }
.person-links { display: flex; gap: 10px; }
.person-links a { color: var(--violet-deep); font-size: .7rem; font-weight: 900; }
.verify-note { margin-top: 18px; color: var(--muted); font-size: .72rem; }

/* 07 · User feedback / FAQ */
.review-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 15px; }
.review-card { min-height: 218px; padding: 22px; border-radius: var(--radius-md); background: #fff; border: 1px solid var(--line); }
.review-stars { color: var(--sun); font-size: .83rem; letter-spacing: .16em; }
.review-card blockquote { margin: 16px 0; font-size: .83rem; line-height: 1.76; }
.review-card cite { display: block; color: var(--muted); font-size: .69rem; font-style: normal; }
.faq-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 11px; }
.faq-item { padding: 0 20px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.faq-item summary { position: relative; padding: 17px 30px 17px 0; font-size: .85rem; font-weight: 900; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; top: 10px; right: 0; color: var(--coral); font-size: 1.6rem; font-weight: 400; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { margin: 0 0 18px; color: var(--muted); font-size: .77rem; }

/* 08 · Partner / how-to / contact */
.partner-wall { display: grid; grid-template-columns: repeat(5,1fr); overflow: hidden; border-top: 1px solid var(--line); border-left: 1px solid var(--line); border-radius: var(--radius-md); }
.partner-mark { min-height: 110px; display: grid; place-items: center; padding: 16px; color: var(--night); background: #fff; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); font-family: var(--display); font-size: 1.2rem; font-weight: 900; letter-spacing: -.05em; }
.partner-mark:nth-child(2n) { color: var(--violet); }
.partner-mark:nth-child(3n) { color: var(--coral-deep); }
.partner-note { margin-top: 13px; color: var(--muted); font-size: .72rem; }
.how-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 15px; counter-reset: txsteps; }
.how-card { min-height: 243px; padding: 23px; color: #fff; background: var(--night); border-radius: var(--radius-md); counter-increment: txsteps; }
.how-card:nth-child(2) { background: var(--violet); }
.how-card:nth-child(3) { background: var(--coral); }
.how-card:nth-child(4) { background: #156a73; }
.how-card::before { content: "0" counter(txsteps); display: block; color: rgba(255,255,255,.54); font-family: var(--display); font-size: 2.9rem; font-weight: 900; line-height: 1; }
.how-card h3 { margin: 18px 0 8px; font-size: 1rem; }
.how-card p { margin: 0; font-size: .76rem; opacity: .8; }
.contact-layout { display: grid; grid-template-columns: .92fr 1.08fr; overflow: hidden; border-radius: var(--radius-lg); color: #fff; background: var(--night); }
.contact-copy { padding: 42px; }
.contact-copy h2 { margin: 12px 0 18px; font-family: var(--display); font-size: clamp(2.8rem, 5vw, 5rem); line-height: .86; letter-spacing: -.08em; }
.contact-copy > p { color: rgba(255,255,255,.7); font-size: .84rem; }
.contact-list { display: grid; gap: 0; margin-top: 26px; }
.contact-list div { display: grid; grid-template-columns: 86px 1fr; gap: 12px; padding: 11px 0; border-top: 1px solid rgba(255,255,255,.17); font-size: .76rem; }
.contact-list b { color: var(--cyan); }
.contact-visual { min-height: 440px; background: linear-gradient(90deg, rgba(9,13,42,.12), rgba(9,13,42,.56)), url('/assets/images/site-studio.jpg') center / cover; }

/* 09 · Article and inner page styles */
.inner-hero { position: relative; overflow: hidden; color: #fff; background: var(--night); padding: 70px 0 76px; }
.inner-hero::before { content: ""; position: absolute; right: -130px; top: -150px; width: 430px; height: 430px; border: 2px solid rgba(255,255,255,.10); border-radius: 50%; box-shadow: 0 0 0 48px rgba(105,85,247,.12), 0 0 0 98px rgba(105,85,247,.06); }
.inner-hero .page-shell { position: relative; }
.breadcrumb { margin-bottom: 22px; color: rgba(255,255,255,.58); font-size: .72rem; }
.breadcrumb a { color: var(--cyan); }
.inner-hero h1 { max-width: 850px; margin: 0; font-family: var(--display); font-size: clamp(3.1rem, 6vw, 6.2rem); line-height: .86; letter-spacing: -.08em; }
.inner-hero p { max-width: 640px; margin: 20px 0 0; color: rgba(255,255,255,.70); font-size: .9rem; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 45px; align-items: start; }
.article-copy h2 { margin: 43px 0 15px; font-family: var(--display); font-size: 2.45rem; letter-spacing: -.06em; line-height: .95; }
.article-copy h3 { margin: 30px 0 9px; font-size: 1.2rem; }
.article-copy p, .article-copy li { color: #545c78; font-size: .88rem; }
.article-copy ul { padding-left: 21px; }
.article-copy li + li { margin-top: 8px; }
.article-callout { margin: 29px 0; padding: 20px; border-left: 4px solid var(--coral); background: #fff4f4; color: #70434c; font-size: .82rem; }
.article-side { position: sticky; top: 145px; padding: 21px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; }
.article-side h2 { margin: 0 0 13px; font-size: 1rem; }
.article-side a { display: block; padding: 8px 0; border-top: 1px solid var(--line); color: var(--violet-deep); font-size: .75rem; font-weight: 800; }

/* 10 · Footer */
.site-footer { position: relative; overflow: hidden; padding: 62px 0 19px; color: #fff; background: #06091e; }
.footer-orbit { position: absolute; top: -300px; right: -170px; width: 600px; height: 600px; border: 1px solid rgba(255,255,255,.10); border-radius: 50%; box-shadow: 0 0 0 60px rgba(105,85,247,.07), 0 0 0 130px rgba(105,85,247,.04); }
.footer-grid { position: relative; display: grid; grid-template-columns: 1.5fr .9fr 1.1fr .8fr; gap: 32px; }
.footer-brand p { max-width: 340px; color: rgba(255,255,255,.65); font-size: .78rem; }
.site-footer h3 { margin: 0 0 15px; color: var(--cyan); font-size: .78rem; letter-spacing: .08em; }
.site-footer section > a, .site-footer section > p { display: block; margin: 0 0 8px; color: rgba(255,255,255,.68); font-size: .75rem; }
.site-footer .notice-text { color: rgba(255,255,255,.38); font-size: .65rem; }
.share-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.share-row button { border: 1px solid rgba(255,255,255,.23); border-radius: 5px; color: #fff; background: transparent; padding: 6px 8px; font-size: .65rem; transition: background .18s; }
.share-row button:hover { background: rgba(255,255,255,.12); }
.qr-grid { display: flex; gap: 10px; }
.qr-grid > div { display: grid; justify-items: center; gap: 6px; color: rgba(255,255,255,.60); font-size: .63rem; }
.qr-code { width: 76px; height: 76px; border-radius: 4px; background-color: #fff; background-image: linear-gradient(90deg, #101743 10%, transparent 10%, transparent 90%, #101743 90%), linear-gradient(#101743 10%, transparent 10%, transparent 90%, #101743 90%), radial-gradient(#6955f7 27%, transparent 29%); background-size: 10px 10px, 10px 10px, 10px 10px; }
.footer-base { position: relative; display: flex; justify-content: space-between; gap: 20px; margin-top: 38px; padding-top: 17px; border-top: 1px solid rgba(255,255,255,.14); }
.footer-base p { margin: 0; color: rgba(255,255,255,.48); font-size: .65rem; }

/* 11 · Component utilities */
.card-strip { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.card-strip article { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; }
.card-strip h3 { margin: 9px 0 7px; font-size: 1.08rem; }
.card-strip p { margin: 0; color: var(--muted); font-size: .78rem; }
.tag-list { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
.tag-list span { padding: 4px 8px; border-radius: 999px; background: #f0efff; color: var(--violet-deep); font-size: .63rem; font-weight: 800; }
.notice-board { padding: 20px; border: 1px dashed #c8cce5; border-radius: var(--radius-md); color: var(--muted); background: #fbfbff; font-size: .79rem; }
.transparency-links { display: block; margin-top: 12px; color: var(--violet-deep); font-size: .75rem; font-weight: 800; }
.transparency-links a { color: inherit; border-bottom: 1px solid currentColor; }
.toast { position: fixed; z-index: 300; bottom: 25px; left: 50%; padding: 11px 16px; border-radius: 999px; color: #fff; background: var(--night); box-shadow: var(--shadow); font-size: .75rem; transform: translate(-50%, 25px); opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s var(--ease-out); }
.toast.is-visible { transform: translate(-50%,0); opacity: 1; }

/* 12 · Branded error page */
.error-page { min-height: 62vh; display: grid; place-items: center; padding: 90px 0; color: #fff; background: radial-gradient(circle at 78% 28%, rgba(105,85,247,.58), transparent 30%), radial-gradient(circle at 20% 76%, rgba(255,114,117,.30), transparent 24%), var(--night); }
.error-card { max-width: 800px; padding: 44px; border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius-lg); background: rgba(255,255,255,.06); box-shadow: 0 30px 80px rgba(0,0,0,.22); }
.error-card .eyebrow { color: var(--cyan); }
.error-card h1 { max-width: 720px; margin: 0; font-family: var(--display); font-size: clamp(3rem, 7vw, 6.2rem); line-height: .87; letter-spacing: -.08em; }
.error-card p:not(.eyebrow) { max-width: 610px; color: rgba(255,255,255,.72); font-size: .94rem; }
.error-ghost { color: #fff; }

/* 13 · Responsive */
@media (max-width: 1060px) {
  .main-nav { gap: 12px; }
  .main-nav a { font-size: .73rem; }
  .nav-cta { display: none; }
  .search-grid { grid-template-columns: 170px minmax(250px,1fr) 1fr; }
  .people-grid, .review-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .qr-section { grid-column: span 2; }
  .ai-grid { grid-template-columns: repeat(3,1fr); }
  .partner-wall { grid-template-columns: repeat(5,1fr); }
}
@media (max-width: 800px) {
  .page-shell, .nav-shell { width: min(100% - 32px, 1180px); }
  .site-header .nav-shell { height: 66px; }
  .brand-lockup img { width: 39px; height: 39px; }
  .brand-lockup strong { font-size: 1.08rem; }
  .brand-lockup em { max-width: 205px; font-size: .49rem; }
  .menu-button { display: block; margin-left: auto; }
  .menu-button.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-button.is-open span:nth-child(2) { opacity: 0; }
  .menu-button.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .main-nav { position: absolute; top: 66px; right: 0; left: 0; display: none; margin: 0; padding: 12px 16px 18px; background: #0e1237; box-shadow: 0 18px 40px rgba(0,0,0,.3); }
  .main-nav.is-open { display: grid; }
  .main-nav a { padding: 10px 0; font-size: .85rem; }
  .main-nav a::after { bottom: 5px; }
  .search-grid { grid-template-columns: 1fr; gap: 4px; padding: 8px 0; }
  .search-intro, .search-grid small { display: none; }
  .hero { min-height: 600px; }
  .hero::before { background: linear-gradient(0deg, rgba(9,13,42,.97) 4%, rgba(9,13,42,.33) 100%); }
  .hero-inner { display: block; min-height: 600px; }
  .hero-copy { padding: 180px 0 43px; }
  .hero h1 { font-size: clamp(3.35rem, 16vw, 5.5rem); }
  .hero-lede { font-size: .9rem; }
  .hero-signal { display: none; }
  .hero-points { margin-top: 33px; }
  .hero-points strong { font-size: .91rem; }
  .section { padding: 60px 0; }
  .section-head { display: block; margin-bottom: 25px; }
  .section-head h2 { font-size: clamp(2.45rem, 12vw, 4rem); }
  .section-head > p { margin-top: 16px; }
  .video-card, .video-card.featured { grid-column: span 6; }
  .manifesto, .community-layout, .contact-layout { grid-template-columns: 1fr; }
  .manifesto-main { min-height: 335px; }
  .manifesto-side { grid-template-columns: 1fr 1fr; grid-template-rows: none; }
  .ai-grid { grid-template-columns: 1fr; }
  .ai-card { min-height: 220px; }
  .how-grid { grid-template-columns: repeat(2,1fr); }
  .partner-wall { grid-template-columns: repeat(3,1fr); }
  .article-layout { grid-template-columns: 1fr; gap: 25px; }
  .article-side { position: static; }
  .contact-visual { min-height: 320px; }
}
@media (max-width: 520px) {
  .hero-points { grid-template-columns: 1fr; max-width: 260px; gap: 8px; }
  .hero-points div + div { border-left: 0; padding-left: 0; }
  .video-card, .video-card.featured { grid-column: span 12; }
  .manifesto-side, .people-grid, .review-grid, .faq-grid, .card-strip { grid-template-columns: 1fr; }
  .community-media { min-height: 340px; }
  .how-grid { grid-template-columns: 1fr; }
  .partner-wall { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 25px; }
  .footer-brand { grid-column: span 2; }
  .qr-section { grid-column: span 2; }
  .footer-base { display: block; }
  .footer-base p + p { margin-top: 7px; }
  .contact-copy { padding: 30px; }
  .error-card { padding: 29px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; } }