/* 呦呦视频 · Original visual system · 星夜片场 */
:root {
  --ink: #141529;
  --ink-soft: #30334e;
  --paper: #fbfaf8;
  --paper-deep: #f2f0f4;
  --violet: #5346d8;
  --violet-deep: #302372;
  --peach: #ff9376;
  --peach-soft: #ffe1d6;
  --rose: #f34e84;
  --gold: #f1b45e;
  --mint: #6cc7b7;
  --line: rgba(20, 21, 41, .12);
  --shadow-sm: 0 8px 20px rgba(20, 21, 41, .06);
  --shadow-md: 0 18px 40px rgba(30, 27, 60, .12);
  --shadow-lg: 0 32px 90px rgba(30, 27, 60, .18);
  --ease-out: cubic-bezier(.23, 1, .32, 1);
  --content: min(1180px, calc(100% - 40px));
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}
body::selection { color: #fff; background: var(--violet); }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
svg { display: block; }

.skip-link {
  position: absolute;
  top: -60px;
  left: 20px;
  z-index: 100;
  padding: 10px 15px;
  border-radius: 0 0 10px 10px;
  color: #fff;
  background: var(--violet);
}
.skip-link:focus { top: 0; }

.page-shell { overflow: hidden; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, .13);
  color: #fff;
  background: rgba(20, 21, 41, .9);
  backdrop-filter: blur(20px);
}
.header-inner {
  width: var(--content);
  min-height: 70px;
  display: flex;
  align-items: center;
  gap: 26px;
  margin: 0 auto;
}
.brand-lockup { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand-lockup img { width: 36px; height: 36px; object-fit: contain; }
.brand-name { font-size: 19px; font-weight: 800; letter-spacing: .02em; }
.brand-tag { margin-left: 4px; color: #bdb9e6; font-size: 11px; letter-spacing: .18em; }
.main-nav { display: flex; align-items: center; gap: 3px; margin-left: auto; }
.main-nav a {
  position: relative;
  padding: 22px 11px;
  color: #dfdff0;
  font-size: 14px;
  white-space: nowrap;
  transition: color .18s var(--ease-out);
}
.main-nav a::after {
  content: "";
  position: absolute;
  right: 11px;
  bottom: 14px;
  left: 11px;
  height: 2px;
  border-radius: 2px;
  background: var(--peach);
  transform: scaleX(0);
  transition: transform .2s var(--ease-out);
}
.main-nav a:hover, .main-nav a.is-current { color: #fff; }
.main-nav a:hover::after, .main-nav a.is-current::after { transform: scaleX(1); }
.header-action { margin-left: 6px; }
.icon-button {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 50%;
  color: #fff;
  background: transparent;
  transition: transform .18s var(--ease-out), background .18s var(--ease-out);
}
.icon-button:hover { background: rgba(255, 255, 255, .12); transform: translateY(-2px); }
.menu-toggle { display: none; }

.search-strip { color: #fff; background: #242348; }
.search-inner {
  width: var(--content);
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 62px;
  margin: 0 auto;
}
.search-label { display: flex; align-items: center; gap: 8px; color: #e6e5f7; font-size: 14px; font-weight: 700; white-space: nowrap; }
.search-shell { position: relative; flex: 1; max-width: 545px; }
.search-shell input {
  width: 100%;
  height: 38px;
  padding: 0 50px 0 16px;
  border: 1px solid transparent;
  border-radius: 999px;
  outline: none;
  color: var(--ink);
  background: #fff;
  transition: box-shadow .18s var(--ease-out), border-color .18s var(--ease-out);
}
.search-shell input:focus { border-color: var(--peach); box-shadow: 0 0 0 3px rgba(255, 147, 118, .27); }
.search-shell button {
  position: absolute;
  top: 4px;
  right: 4px;
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: var(--violet);
}
.hot-words { display: flex; align-items: center; gap: 9px; color: #a8a5cf; font-size: 12px; }
.hot-words a { color: #dedcf5; transition: color .18s var(--ease-out); }
.hot-words a:hover { color: var(--peach); }
.search-note { min-height: 20px; color: #fedbd1; font-size: 12px; }

.hero {
  position: relative;
  isolation: isolate;
  min-height: 670px;
  color: #fff;
  background: #171630;
}
.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(90deg, rgba(15, 14, 37, .99) 0%, rgba(18, 16, 42, .92) 38%, rgba(21, 18, 43, .35) 75%, rgba(21, 18, 43, .54) 100%);
}
.hero-media { position: absolute; z-index: -2; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -170px;
  bottom: -250px;
  width: 650px;
  height: 650px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 80, 135, .34), rgba(242, 80, 135, 0) 70%);
  filter: blur(6px);
}
.hero-inner { width: var(--content); min-height: 670px; display: flex; align-items: center; margin: 0 auto; padding: 72px 0 105px; }
.hero-copy { max-width: 680px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 20px; color: #ffb4a1; font-size: 12px; font-weight: 800; letter-spacing: .16em; }
.eyebrow::before { content: ""; display: inline-block; width: 28px; height: 1px; background: currentColor; }
.eyebrow.style-rose { color: var(--rose); }
h1, h2, h3, h4, p { margin-top: 0; }
.hero h1 { max-width: 650px; margin-bottom: 23px; font-size: clamp(44px, 6.6vw, 84px); line-height: 1.06; letter-spacing: -.06em; }
.hero h1 em { color: #ffb29b; font-style: normal; }
.hero-subtitle { max-width: 580px; margin-bottom: 30px; color: #e7e5f3; font-size: 19px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 21px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  transition: transform .18s var(--ease-out), box-shadow .18s var(--ease-out), background .18s var(--ease-out);
}
.button:hover { transform: translateY(-2px); }
.button:active { transform: scale(.97); }
.button-primary { color: #251c45; background: #ffb19a; box-shadow: 0 9px 24px rgba(255, 147, 118, .27); }
.button-primary:hover { box-shadow: 0 14px 32px rgba(255, 147, 118, .42); }
.button-outline { border-color: rgba(255, 255, 255, .34); color: #fff; background: rgba(255, 255, 255, .08); }
.button-outline:hover { background: rgba(255, 255, 255, .17); }
.button-dark { color: #fff; background: var(--ink); }
.button-soft { color: var(--violet-deep); background: #eae8ff; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 17px; margin-top: 43px; }
.hero-meta div { display: flex; align-items: center; gap: 8px; color: #bcb8d8; font-size: 13px; }
.hero-meta b { color: #fff; font-size: 19px; }
.hero-rail { position: absolute; right: max(20px, calc((100vw - 1180px) / 2)); bottom: 27px; display: flex; align-items: center; gap: 10px; color: #d9d6ed; font-size: 12px; }
.hero-rail span { width: 48px; height: 1px; background: rgba(255, 255, 255, .42); }

.section { width: var(--content); margin: 0 auto; padding: 104px 0; }
.section-tight { padding-top: 74px; padding-bottom: 74px; }
.section-topline { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 34px; }
.section-kicker { margin-bottom: 9px; color: var(--rose); font-size: 12px; font-weight: 800; letter-spacing: .16em; }
.section h2 { margin-bottom: 0; font-size: clamp(29px, 3.6vw, 48px); line-height: 1.15; letter-spacing: -.045em; }
.section-intro { max-width: 490px; margin-bottom: 0; color: #62647a; font-size: 15px; }
.text-link { display: inline-flex; align-items: center; gap: 7px; color: var(--violet); font-weight: 800; white-space: nowrap; }
.text-link::after { content: "→"; transition: transform .18s var(--ease-out); }
.text-link:hover::after { transform: translateX(4px); }

.stats-band { color: #fff; background: var(--violet-deep); }
.stats-inner { width: var(--content); display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 0; margin: 0 auto; }
.stat-copy { padding: 45px 42px 45px 0; }
.stat-copy h2 { margin-bottom: 8px; font-size: 27px; line-height: 1.28; }
.stat-copy p { margin: 0; color: #c7c3ef; font-size: 14px; }
.stat { display: flex; flex-direction: column; justify-content: center; min-height: 142px; padding: 27px 28px; border-left: 1px solid rgba(255, 255, 255, .13); }
.stat b { font-size: 29px; line-height: 1; letter-spacing: -.04em; }
.stat span { margin-top: 10px; color: #c8c5eb; font-size: 13px; }

.video-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 22px; }
.video-card { grid-column: span 4; position: relative; overflow: hidden; border-radius: var(--radius); background: #eceaf0; box-shadow: var(--shadow-sm); }
.video-card.featured { grid-column: span 6; }
.video-card .thumb { position: relative; overflow: hidden; aspect-ratio: 16 / 10; background: #2f2b58; }
.video-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s var(--ease-out), filter .55s var(--ease-out); }
.video-card:hover .thumb img { transform: scale(1.055); filter: saturate(1.08); }
.thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 43%, rgba(9, 9, 25, .72)); pointer-events: none; }
.play-button { position: absolute; z-index: 1; top: 50%; left: 50%; display: grid; width: 58px; height: 58px; place-items: center; border: 1px solid rgba(255, 255, 255, .6); border-radius: 50%; color: #fff; background: rgba(26, 23, 54, .38); backdrop-filter: blur(9px); transform: translate(-50%, -42%) scale(.9); opacity: 0; transition: opacity .24s var(--ease-out), transform .24s var(--ease-out), background .24s var(--ease-out); }
.video-card:hover .play-button, .video-card:focus-within .play-button { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.play-button:hover { background: var(--rose); }
.duration { position: absolute; z-index: 1; right: 12px; bottom: 11px; padding: 3px 8px; border-radius: 5px; color: #fff; background: rgba(9, 9, 18, .73); font-size: 11px; font-weight: 800; }
.video-info { padding: 17px 18px 18px; background: #fff; }
.video-type { display: block; margin-bottom: 6px; color: var(--rose); font-size: 11px; font-weight: 800; letter-spacing: .1em; }
.video-card h3 { margin-bottom: 7px; font-size: 18px; line-height: 1.35; letter-spacing: -.02em; }
.video-card p { margin-bottom: 13px; color: #6b6d7c; font-size: 13px; line-height: 1.65; }
.video-data { display: flex; flex-wrap: wrap; gap: 13px; color: #878898; font-size: 12px; }
.video-data span { display: inline-flex; align-items: center; gap: 4px; }
.data-note { margin: 18px 0 0; color: #7c7d8d; font-size: 12px; }

.signal-block { position: relative; color: #fff; background: #1d1c3f; }
.signal-block::before { content: ""; position: absolute; inset: 0; opacity: .3; background-image: linear-gradient(rgba(255,255,255,.09) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.09) 1px, transparent 1px); background-size: 44px 44px; mask-image: linear-gradient(to bottom, black, transparent); }
.signal-inner { position: relative; width: var(--content); display: grid; grid-template-columns: .88fr 1.12fr; gap: 56px; margin: 0 auto; padding: 98px 0; }
.signal-copy h2 { margin: 10px 0 20px; font-size: clamp(31px, 4.1vw, 55px); line-height: 1.12; letter-spacing: -.05em; }
.signal-copy p { max-width: 450px; color: #d0ceed; }
.signal-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 13px; align-content: start; }
.signal-card { padding: 22px; border: 1px solid rgba(255, 255, 255, .16); border-radius: 18px; background: rgba(255, 255, 255, .065); backdrop-filter: blur(8px); transition: transform .18s var(--ease-out), background .18s var(--ease-out); }
.signal-card:hover { background: rgba(255, 255, 255, .11); transform: translateY(-4px); }
.signal-icon { display: grid; width: 36px; height: 36px; place-items: center; margin-bottom: 17px; border-radius: 12px; color: #ffe1d6; background: rgba(255, 147, 118, .18); }
.signal-card h3 { margin-bottom: 5px; font-size: 17px; }
.signal-card p { margin-bottom: 0; color: #c4c2e3; font-size: 13px; line-height: 1.65; }

.program-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.program-card { min-height: 250px; padding: 29px; border: 1px solid var(--line); border-radius: 21px; background: #fff; transition: transform .22s var(--ease-out), box-shadow .22s var(--ease-out); }
.program-card:hover { box-shadow: var(--shadow-md); transform: translateY(-5px); }
.program-number { display: block; margin-bottom: 41px; color: var(--peach); font-size: 13px; font-weight: 900; letter-spacing: .1em; }
.program-card h3 { margin-bottom: 12px; font-size: 22px; letter-spacing: -.035em; }
.program-card p { margin-bottom: 17px; color: #666879; font-size: 14px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 7px; }
.tag { display: inline-flex; align-items: center; min-height: 25px; padding: 0 8px; border-radius: 999px; color: #57586d; background: #f2f1f5; font-size: 11px; font-weight: 700; }
.tag.tint { color: #5b42cb; background: #ebe8ff; }

.split-media { display: grid; grid-template-columns: 1.02fr .98fr; min-height: 525px; overflow: hidden; border-radius: 27px; color: #fff; background: var(--violet-deep); }
.split-image { height: 100%; min-height: 450px; }
.split-image img { width: 100%; height: 100%; object-fit: cover; }
.split-copy { position: relative; display: flex; flex-direction: column; justify-content: center; padding: 58px 64px; }
.split-copy::before { content: "✦"; position: absolute; top: 26px; right: 45px; color: rgba(255,255,255,.22); font-size: 75px; }
.split-copy .section-kicker { color: #ffae98; }
.split-copy h2 { margin-bottom: 19px; font-size: clamp(29px, 3vw, 42px); line-height: 1.18; letter-spacing: -.04em; }
.split-copy > p { max-width: 440px; color: #d6d3f1; }
.check-list { display: grid; gap: 11px; margin: 19px 0 29px; padding: 0; list-style: none; }
.check-list li { display: flex; gap: 9px; align-items: flex-start; color: #f3f2ff; font-size: 14px; }
.check-list li::before { content: "✓"; display: inline-grid; flex: 0 0 auto; width: 19px; height: 19px; place-items: center; margin-top: 2px; border-radius: 50%; color: #241d53; background: #ffae98; font-size: 12px; font-weight: 900; }

.creator-strip { color: #fff; background: #111226; }
.creator-inner { width: var(--content); display: grid; grid-template-columns: .9fr 1.1fr; gap: 54px; margin: 0 auto; padding: 85px 0; }
.creator-copy h2 { margin-bottom: 17px; font-size: clamp(30px, 3.6vw, 48px); line-height: 1.16; letter-spacing: -.05em; }
.creator-copy p { color: #bcbbce; }
.expert-list { display: grid; gap: 12px; }
.expert-row { display: grid; grid-template-columns: 48px 1fr auto; align-items: center; gap: 15px; padding: 14px 17px; border: 1px solid rgba(255,255,255,.12); border-radius: 16px; background: rgba(255,255,255,.045); }
.expert-avatar { display: grid; width: 48px; height: 48px; place-items: center; border-radius: 15px; color: #261d51; background: linear-gradient(135deg, #ffc1ab, #e7dfff); font-weight: 900; }
.expert-row h3 { margin: 0 0 3px; font-size: 16px; }
.expert-row p { margin: 0; color: #bbb9d1; font-size: 12px; line-height: 1.45; }
.expert-status { color: #ffb29c; font-size: 11px; font-weight: 800; }

.community-layout { display: grid; grid-template-columns: .95fr 1.05fr; gap: 55px; align-items: center; }
.community-poster { position: relative; padding: 22px 22px 0; border-radius: 24px; background: #f3d9e3; }
.community-poster::before { content: "LIVE"; position: absolute; z-index: 1; top: 41px; left: 41px; padding: 4px 9px; border-radius: 5px; color: #fff; background: #e73363; font-size: 11px; font-weight: 900; letter-spacing: .08em; }
.community-poster::after { content: "呦呦视频"; position: absolute; right: 40px; bottom: 26px; color: #fff; font-size: 23px; font-weight: 900; letter-spacing: -.05em; text-shadow: 0 2px 20px rgba(31,20,60,.5); }
.community-poster img { width: 100%; border-radius: 15px 15px 0 0; }
.community-copy h2 { margin-bottom: 18px; font-size: clamp(30px, 3.5vw, 47px); line-height: 1.15; letter-spacing: -.05em; }
.community-copy > p { color: #626475; }
.community-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 13px; margin: 25px 0 28px; }
.community-point { padding: 14px 0; border-bottom: 1px solid var(--line); }
.community-point b { display: block; margin-bottom: 4px; font-size: 14px; }
.community-point span { color: #6c6d7e; font-size: 12px; line-height: 1.45; }

.review-band { background: #f2eff8; }
.review-band .section { padding-top: 92px; padding-bottom: 94px; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review { display: flex; flex-direction: column; min-height: 245px; padding: 26px; border-radius: 19px; background: #fff; box-shadow: var(--shadow-sm); }
.review-mark { color: var(--peach); font-size: 38px; line-height: .8; font-family: Georgia, serif; }
.review blockquote { flex: 1; margin: 17px 0 20px; color: #414354; font-size: 15px; line-height: 1.8; }
.review-person { display: flex; align-items: center; gap: 10px; }
.review-avatar { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 50%; color: #5a479d; background: #ebe8ff; font-size: 12px; font-weight: 900; }
.review-person b { display: block; font-size: 13px; }
.review-person span { color: #888999; font-size: 11px; }
.disclaimer { margin: 17px 0 0; color: #777887; font-size: 12px; }

.join-layout { display: grid; grid-template-columns: .76fr 1.24fr; gap: 48px; align-items: start; }
.join-intro { position: sticky; top: 114px; }
.join-intro h2 { margin-bottom: 15px; font-size: clamp(29px, 3.7vw, 48px); line-height: 1.16; letter-spacing: -.05em; }
.join-intro p { max-width: 365px; color: #666879; }
.step-list { display: grid; gap: 12px; }
.step { display: grid; grid-template-columns: 48px 1fr; gap: 17px; padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.step-num { display: grid; width: 48px; height: 48px; place-items: center; border-radius: 15px; color: #fff; background: var(--violet); font-size: 17px; font-weight: 900; }
.step h3 { margin: 2px 0 6px; font-size: 17px; }
.step p { margin: 0; color: #6c6d7c; font-size: 13px; }

.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.faq { padding: 0 20px; border: 1px solid var(--line); border-radius: 15px; background: #fff; }
.faq summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 63px; list-style: none; font-size: 15px; font-weight: 800; cursor: pointer; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: 0 0 auto; color: var(--violet); font-size: 22px; font-weight: 400; transition: transform .2s var(--ease-out); }
.faq[open] summary::after { transform: rotate(45deg); }
.faq p { margin: -2px 0 20px; color: #6d6e7d; font-size: 13px; line-height: 1.75; }

.partners { background: #f7f5f2; }
.partner-wall { display: grid; grid-template-columns: repeat(5, 1fr); gap: 11px; }
.partner { display: grid; min-height: 102px; place-items: center; padding: 12px; border: 1px solid #e2dfe3; border-radius: 13px; color: #646578; background: #fff; font-size: 14px; font-weight: 900; letter-spacing: -.02em; }
.partner span { display: flex; align-items: center; gap: 7px; }
.partner b { display: grid; width: 18px; height: 18px; place-items: center; border-radius: 5px; color: #fff; background: var(--violet); font-size: 11px; }
.partner:nth-child(2) b { background: var(--rose); }
.partner:nth-child(3) b { background: var(--gold); }
.partner:nth-child(4) b { background: var(--mint); }
.partner:nth-child(5) b { background: #3d86e8; }

.contact-panel { position: relative; overflow: hidden; color: #fff; background: #212044; }
.contact-panel::before { content: ""; position: absolute; z-index: 0; top: -260px; right: -240px; width: 700px; height: 700px; border-radius: 50%; background: radial-gradient(circle, rgba(255,147,118,.34), rgba(255,147,118,0) 68%); }
.contact-inner { position: relative; z-index: 1; width: var(--content); display: grid; grid-template-columns: 1.05fr .95fr; gap: 63px; margin: 0 auto; padding: 93px 0; }
.contact-copy h2 { margin-bottom: 15px; font-size: clamp(31px, 3.8vw, 52px); line-height: 1.16; letter-spacing: -.05em; }
.contact-copy > p { max-width: 530px; color: #cbc8e8; }
.contact-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 29px 0 0; }
.contact-item { padding: 15px; border: 1px solid rgba(255,255,255,.13); border-radius: 14px; background: rgba(255,255,255,.05); }
.contact-item span { display: block; margin-bottom: 4px; color: #b8b5d6; font-size: 11px; }
.contact-item b { display: block; color: #fff; font-size: 14px; overflow-wrap: anywhere; }
.qr-wrap { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; align-content: center; }
.qr-card { padding: 17px; border-radius: 17px; color: var(--ink); background: #fff; box-shadow: 0 18px 40px rgba(0,0,0,.13); }
.qr-card img { width: 100%; margin-bottom: 13px; border-radius: 8px; }
.qr-card b { display: block; font-size: 14px; }
.qr-card span { display: block; margin-top: 4px; color: #777887; font-size: 11px; }

.share-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 23px; }
.share-button { display: inline-flex; align-items: center; gap: 7px; min-height: 32px; padding: 0 11px; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; color: #f5f4ff; background: rgba(255,255,255,.05); font-size: 12px; font-weight: 700; transition: background .18s var(--ease-out), transform .18s var(--ease-out); }
.share-button:hover { background: rgba(255,255,255,.14); transform: translateY(-2px); }

.breadcrumb { width: var(--content); display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0 auto; padding: 21px 0; color: #777889; font-size: 12px; }
.breadcrumb a { color: #595a6e; }
.breadcrumb a:hover { color: var(--violet); }
.breadcrumb i { font-style: normal; color: #aaaaba; }
.inner-hero { width: var(--content); display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; min-height: 370px; margin: 0 auto 30px; padding: 25px 0 58px; }
.inner-hero h1 { max-width: 680px; margin-bottom: 15px; font-size: clamp(38px, 5vw, 65px); line-height: 1.09; letter-spacing: -.06em; }
.inner-hero p { max-width: 620px; color: #626476; font-size: 17px; }
.inner-art { display: flex; min-height: 245px; align-items: center; justify-content: center; border-radius: 24px; color: #fff; background: linear-gradient(135deg, #3d3185, #f2648d); box-shadow: var(--shadow-md); }
.inner-art span { padding: 12px 15px; border: 1px solid rgba(255,255,255,.43); border-radius: 999px; font-size: 13px; font-weight: 800; letter-spacing: .09em; }
.page-intro { width: var(--content); margin: 0 auto; padding: 20px 0 80px; }
.page-intro h2 { margin-bottom: 13px; font-size: 29px; letter-spacing: -.04em; }
.page-intro p { max-width: 760px; color: #656779; }
.rich-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.rich-card { padding: 27px; border: 1px solid var(--line); border-radius: 19px; background: #fff; }
.rich-card h3 { margin-bottom: 10px; font-size: 20px; letter-spacing: -.03em; }
.rich-card p { color: #68697a; font-size: 14px; }
.rich-card .tag-row { margin-top: 18px; }
.callout { padding: 26px; border-left: 4px solid var(--peach); border-radius: 0 18px 18px 0; color: #3f4055; background: #fff1ec; }
.callout b { color: var(--ink); }

.site-footer { color: #deddea; background: #121321; }
.footer-inner { width: var(--content); margin: 0 auto; padding: 60px 0 0; }
.footer-top { display: grid; grid-template-columns: 1.2fr repeat(3, .7fr); gap: 30px; padding-bottom: 44px; }
.footer-brand p { max-width: 310px; margin: 17px 0 0; color: #a7a6b8; font-size: 13px; line-height: 1.75; }
.footer-title { display: block; margin: 7px 0 14px; color: #fff; font-size: 13px; font-weight: 900; }
.footer-links { display: grid; gap: 8px; }
.footer-links a { color: #aaa9b9; font-size: 13px; }
.footer-links a:hover { color: #ffb19a; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 18px 0; border-top: 1px solid rgba(255,255,255,.11); color: #8f8d9f; font-size: 12px; }
.footer-bottom p { margin: 0; }
.footer-marks { display: flex; flex-wrap: wrap; gap: 12px; }
.footer-marks span { white-space: nowrap; }

.toast { position: fixed; z-index: 100; right: 22px; bottom: 22px; max-width: min(360px, calc(100% - 44px)); padding: 13px 16px; border-radius: 12px; color: #fff; background: #272540; box-shadow: var(--shadow-lg); font-size: 13px; transform: translateY(25px); opacity: 0; pointer-events: none; transition: opacity .24s var(--ease-out), transform .24s var(--ease-out); }
.toast.is-visible { transform: translateY(0); opacity: 1; }

@media (max-width: 980px) {
  .header-inner { gap: 15px; }
  .main-nav { display: none; }
  .menu-toggle { display: inline-grid; margin-left: auto; }
  .main-nav.is-open { position: absolute; top: 70px; left: 0; display: grid; width: 100%; padding: 8px 20px 16px; border-bottom: 1px solid rgba(255,255,255,.15); background: #18182f; }
  .main-nav.is-open a { padding: 11px 0; }
  .main-nav.is-open a::after { right: auto; bottom: 5px; left: 0; width: 26px; }
  .header-action { margin-left: 0; }
  .search-inner { flex-wrap: wrap; gap: 9px 14px; padding: 11px 0; }
  .search-shell { order: 3; flex-basis: 100%; max-width: none; }
  .hot-words { margin-left: auto; }
  .hero, .hero-inner { min-height: 620px; }
  .stats-inner { grid-template-columns: repeat(3, 1fr); }
  .stat-copy { grid-column: 1 / -1; padding: 35px 0 17px; }
  .stat { min-height: 110px; padding: 20px; }
  .stat:first-of-type { border-left: 0; }
  .signal-inner, .creator-inner, .contact-inner { grid-template-columns: 1fr; gap: 35px; }
  .split-copy { padding: 43px; }
  .community-layout, .join-layout { gap: 35px; }
  .footer-top { grid-template-columns: 1.2fr repeat(2, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  :root { --content: min(100% - 32px, 1180px); }
  .brand-tag { display: none; }
  .search-label { font-size: 13px; }
  .hot-words { display: none; }
  .hero, .hero-inner { min-height: 610px; }
  .hero-inner { padding: 52px 0 89px; align-items: start; }
  .hero::before { background: linear-gradient(90deg, rgba(15,14,37,.98), rgba(15,14,37,.75)); }
  .hero-media { object-position: 64% center; }
  .hero h1 { font-size: 46px; }
  .hero-subtitle { font-size: 16px; }
  .hero-meta { gap: 10px; margin-top: 30px; }
  .hero-meta div { font-size: 11px; }
  .hero-meta b { font-size: 16px; }
  .section { padding: 70px 0; }
  .section-topline { display: block; margin-bottom: 25px; }
  .section-intro { margin-top: 12px; }
  .section-topline .text-link { margin-top: 14px; }
  .video-card, .video-card.featured { grid-column: span 12; }
  .video-grid { gap: 15px; }
  .program-grid, .review-grid, .rich-grid { grid-template-columns: 1fr; }
  .program-card { min-height: auto; }
  .program-number { margin-bottom: 27px; }
  .signal-inner { padding: 70px 0; }
  .signal-list { grid-template-columns: 1fr; }
  .split-media { grid-template-columns: 1fr; }
  .split-image { min-height: 280px; height: 300px; }
  .split-copy { padding: 38px 25px 42px; }
  .creator-inner { padding: 65px 0; }
  .community-layout { grid-template-columns: 1fr; }
  .join-layout { grid-template-columns: 1fr; }
  .join-intro { position: static; }
  .faq-grid { grid-template-columns: 1fr; }
  .partner-wall { grid-template-columns: repeat(2, 1fr); }
  .contact-inner { padding: 70px 0; }
  .contact-list { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: repeat(2, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { display: block; }
  .footer-marks { margin-top: 8px; }
  .inner-hero { grid-template-columns: 1fr; min-height: auto; padding-bottom: 33px; }
  .inner-art { min-height: 180px; }
  .page-intro { padding-bottom: 57px; }
}

@media (max-width: 440px) {
  .brand-name { font-size: 17px; }
  .icon-button { width: 34px; height: 34px; }
  .header-inner { min-height: 62px; }
  .main-nav.is-open { top: 62px; }
  .hero h1 { font-size: 39px; }
  .button { width: 100%; }
  .hero-actions { display: grid; }
  .stats-inner { grid-template-columns: 1fr; }
  .stat { min-height: 90px; border-left: 0; border-top: 1px solid rgba(255,255,255,.13); }
  .stat-copy { padding-bottom: 23px; }
  .expert-row { grid-template-columns: 42px 1fr; }
  .expert-avatar { width: 42px; height: 42px; }
  .expert-status { grid-column: 2; }
  .community-points { grid-template-columns: 1fr; }
  .qr-wrap { grid-template-columns: 1fr 1fr; gap: 8px; }
  .qr-card { padding: 10px; }
  .footer-top { gap: 24px 15px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}