/* 绿帽17.c社视频 - design system [36e417fa] */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;700;800&family=Manrope:wght@400;500;600&display=swap');

:root {
  --bg-36e417fa: hsl(150 30% 7%);
  --surface-36e417fa: hsl(152 26% 13%);
  --primary-36e417fa: hsl(150 78% 52%);
  --accent-36e417fa: hsl(190 90% 58%);
  --text-36e417fa: hsl(150 18% 96%);
  --muted-36e417fa: hsl(160 10% 68%);
  --glass-36e417fa: hsla(0,0%,100%,.06);
  --glass-brd-36e417fa: hsla(0,0%,100%,.12);
  --radius-36e417fa: 18px;
  --shadow-36e417fa: 0 20px 60px -20px hsla(0,0%,0%,.55);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg-36e417fa); color: var(--text-36e417fa); font-family: 'Manrope', system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; line-height: 1.65; -webkit-font-smoothing: antialiased; }
body {
  background-image:
    radial-gradient(1100px 600px at 12% -10%, hsla(150, 78%, 52%, .22), transparent 60%),
    radial-gradient(900px 500px at 110% 5%, hsla(190, 90%, 58%, .18), transparent 60%);
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ----- LAYOUT ----- */
.wrap-36e417fa { max-width: 1240px; margin: 0 auto; padding: 0 22px; }

/* ----- NAV ----- */
.nav-36e417fa {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  background: hsla(0,0%,4%,.45);
  border-bottom: 1px solid var(--glass-brd-36e417fa);
}
.nav-inner-36e417fa { display: flex; align-items: center; gap: 22px; padding: 14px 22px; max-width: 1240px; margin: 0 auto; }
.brand-36e417fa { display: flex; align-items: center; gap: 10px; font-family: 'Space Grotesk', sans-serif; font-weight: 800; font-size: 18px; letter-spacing: .3px; }
.brand-36e417fa svg { width: 30px; height: 30px; }
.menu-36e417fa { display: flex; gap: 6px; flex: 1; justify-content: center; flex-wrap: wrap; }
.menu-36e417fa a { padding: 8px 14px; border-radius: 999px; font-size: 14px; color: var(--muted-36e417fa); transition: .25s ease; }
.menu-36e417fa a:hover, .menu-36e417fa a.active-36e417fa { color: var(--text-36e417fa); background: var(--glass-36e417fa); }
.search-36e417fa { position: relative; }
.search-36e417fa input {
  width: 220px; padding: 9px 14px 9px 36px; border-radius: 999px;
  background: var(--glass-36e417fa); border: 1px solid var(--glass-brd-36e417fa);
  color: var(--text-36e417fa); outline: none; font-size: 14px; transition: .3s ease;
}
.search-36e417fa input:focus { width: 280px; border-color: var(--primary-36e417fa); box-shadow: 0 0 0 4px hsla(150, 78%, 52%, .18); }
.search-36e417fa svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; opacity: .65; }

/* ----- HERO ----- */
.hero-36e417fa { padding: 70px 0 50px; }
.hero-grid-36e417fa { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.hero-36e417fa h1 { font-family: 'Space Grotesk', sans-serif; font-size: clamp(30px, 4.6vw, 56px); line-height: 1.1; font-weight: 800; letter-spacing: -.5px; }
.hero-36e417fa h1 .grad-36e417fa { background: linear-gradient(135deg, var(--primary-36e417fa), var(--accent-36e417fa)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-36e417fa p.lead-36e417fa { margin-top: 18px; color: var(--muted-36e417fa); font-size: 16px; max-width: 560px; }
.hero-cta-36e417fa { margin-top: 26px; display: flex; gap: 12px; flex-wrap: wrap; }
.btn-36e417fa { display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 14px; transition: .25s ease; cursor: pointer; border: 0; }
.btn-pri-36e417fa { background: linear-gradient(135deg, var(--primary-36e417fa), var(--accent-36e417fa)); color: #0a0a14; box-shadow: var(--shadow-36e417fa); }
.btn-pri-36e417fa:hover { transform: translateY(-2px); }
.btn-ghost-36e417fa { background: var(--glass-36e417fa); color: var(--text-36e417fa); border: 1px solid var(--glass-brd-36e417fa); }
.btn-ghost-36e417fa:hover { background: hsla(0,0%,100%,.12); }
.hero-art-36e417fa { position: relative; aspect-ratio: 4/5; border-radius: var(--radius-36e417fa); overflow: hidden; box-shadow: var(--shadow-36e417fa); border: 1px solid var(--glass-brd-36e417fa); }
.hero-art-36e417fa img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s ease; }
.hero-art-36e417fa:hover img { transform: scale(1.05); }

/* breadcrumbs */
.crumbs-36e417fa { display: flex; gap: 8px; font-size: 13px; color: var(--muted-36e417fa); padding: 14px 0; }
.crumbs-36e417fa a:hover { color: var(--text-36e417fa); }
.crumbs-36e417fa span.sep-36e417fa { opacity: .5; }

/* section title */
.sec-36e417fa { padding: 48px 0; }
.sec-head-36e417fa { display: flex; justify-content: space-between; align-items: end; margin-bottom: 26px; flex-wrap: wrap; gap: 12px; }
.sec-head-36e417fa h2 { font-family: 'Space Grotesk', sans-serif; font-size: clamp(24px, 2.6vw, 34px); font-weight: 700; }
.sec-head-36e417fa p { color: var(--muted-36e417fa); font-size: 14px; }

/* video grid */
.vgrid-36e417fa { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 22px; }
.vcard-36e417fa {
  position: relative; border-radius: var(--radius-36e417fa); overflow: hidden;
  background: var(--surface-36e417fa); border: 1px solid var(--glass-brd-36e417fa);
  transition: transform .35s ease, box-shadow .35s ease;
}
.vcard-36e417fa:hover { transform: translateY(-6px); box-shadow: var(--shadow-36e417fa); }
.vmedia-36e417fa { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.vmedia-36e417fa img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.vcard-36e417fa:hover .vmedia-36e417fa img { transform: scale(1.08); }
.vmask-36e417fa { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, hsla(0,0%,0%,.72)); opacity: 0; transition: .35s ease; display: flex; align-items: center; justify-content: center; }
.vcard-36e417fa:hover .vmask-36e417fa { opacity: 1; }
.vplay-36e417fa { width: 64px; height: 64px; border-radius: 50%; background: hsla(0,0%,100%,.92); display: grid; place-items: center; transform: scale(.85); transition: .35s ease; }
.vcard-36e417fa:hover .vplay-36e417fa { transform: scale(1); }
.vplay-36e417fa svg { width: 24px; height: 24px; color: #111; margin-left: 3px; }
.vbody-36e417fa { padding: 14px 16px 18px; }
.vbody-36e417fa h3 { font-size: 15px; font-weight: 600; line-height: 1.45; }
.vbody-36e417fa p { font-size: 13px; color: var(--muted-36e417fa); margin-top: 6px; line-height: 1.55; }
.vtags-36e417fa { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.vtag-36e417fa { font-size: 11px; padding: 3px 9px; border-radius: 999px; background: var(--glass-36e417fa); color: var(--muted-36e417fa); }
.vmeta-36e417fa { position: absolute; left: 12px; top: 12px; display: flex; gap: 6px; }
.vbadge-36e417fa { font-size: 11px; padding: 4px 10px; border-radius: 999px; background: hsla(0,0%,0%,.55); backdrop-filter: blur(6px); color: var(--text-36e417fa); border: 1px solid var(--glass-brd-36e417fa); }
.vdur-36e417fa { position: absolute; right: 12px; bottom: 12px; font-size: 12px; padding: 3px 8px; border-radius: 6px; background: hsla(0,0%,0%,.7); color: #fff; }

/* community */
.cgrid-36e417fa { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }
.ccard-36e417fa { padding: 22px; border-radius: var(--radius-36e417fa); background: var(--glass-36e417fa); border: 1px solid var(--glass-brd-36e417fa); backdrop-filter: blur(14px); }
.ccard-36e417fa .stars-36e417fa { color: hsl(44 100% 60%); font-size: 14px; letter-spacing: 2px; }
.ccard-36e417fa blockquote { font-size: 14px; margin: 10px 0 14px; color: var(--text-36e417fa); }
.ccard-36e417fa .who-36e417fa { font-size: 13px; color: var(--muted-36e417fa); }

/* contact */
.contact-grid-36e417fa { display: grid; grid-template-columns: 1.2fr 1fr; gap: 28px; }
.contact-card-36e417fa { padding: 26px; border-radius: var(--radius-36e417fa); background: var(--surface-36e417fa); border: 1px solid var(--glass-brd-36e417fa); }
.contact-card-36e417fa h3 { font-family: 'Space Grotesk', sans-serif; font-size: 20px; margin-bottom: 14px; }
.kv-36e417fa { display: grid; grid-template-columns: 110px 1fr; gap: 8px 14px; font-size: 14px; }
.kv-36e417fa dt { color: var(--muted-36e417fa); }
.qrwrap-36e417fa { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 18px; text-align: center; }
.qrwrap-36e417fa .qrbox-36e417fa { padding: 10px; border-radius: 12px; background: var(--glass-36e417fa); border: 1px solid var(--glass-brd-36e417fa); font-size: 12px; color: var(--muted-36e417fa); }
.qrwrap-36e417fa .qrbox-36e417fa img { width: 100%; aspect-ratio: 1; border-radius: 8px; margin-bottom: 8px; }

/* share */
.share-36e417fa { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.share-btn-36e417fa { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: var(--glass-36e417fa); border: 1px solid var(--glass-brd-36e417fa); transition: .25s ease; }
.share-btn-36e417fa:hover { transform: translateY(-3px); background: var(--primary-36e417fa); color: #0a0a14; }
.share-btn-36e417fa svg { width: 18px; height: 18px; }

/* faq */
.faqlist-36e417fa { display: flex; flex-direction: column; gap: 12px; }
.faqlist-36e417fa details {
  background: var(--glass-36e417fa); border: 1px solid var(--glass-brd-36e417fa);
  border-radius: 14px; padding: 16px 20px; transition: background .3s ease;
}
.faqlist-36e417fa details[open] { background: hsla(0,0%,100%,.08); }
.faqlist-36e417fa summary { cursor: pointer; font-weight: 600; font-size: 15px; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faqlist-36e417fa summary::-webkit-details-marker { display: none; }
.faqlist-36e417fa summary::after { content: '+'; font-size: 22px; color: var(--primary-36e417fa); transition: transform .3s ease; }
.faqlist-36e417fa details[open] summary::after { transform: rotate(45deg); }
.faqlist-36e417fa .ans-36e417fa { margin-top: 10px; color: var(--muted-36e417fa); font-size: 14px; line-height: 1.7; }

/* footer */
.foot-36e417fa { margin-top: 40px; padding: 50px 0 24px; border-top: 1px solid var(--glass-brd-36e417fa); background: hsla(0,0%,0%,.25); }
.foot-grid-36e417fa { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 30px; }
.foot-grid-36e417fa h4 { font-size: 14px; margin-bottom: 12px; color: var(--text-36e417fa); font-family: 'Space Grotesk', sans-serif; }
.foot-grid-36e417fa a { display: block; font-size: 13px; color: var(--muted-36e417fa); padding: 4px 0; }
.foot-grid-36e417fa a:hover { color: var(--text-36e417fa); }
.foot-bottom-36e417fa { margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--glass-brd-36e417fa); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 12px; color: var(--muted-36e417fa); }

/* responsive */
@media (max-width: 880px) {
  .hero-grid-36e417fa, .contact-grid-36e417fa, .foot-grid-36e417fa { grid-template-columns: 1fr; }
  .menu-36e417fa { display: none; }
  .search-36e417fa input { width: 160px; }
  .search-36e417fa input:focus { width: 200px; }
  .hero-36e417fa { padding: 36px 0 24px; }
}

/* fade-in */
.fade-36e417fa { opacity: 0; transform: translateY(20px); transition: opacity .8s ease, transform .8s ease; }
.fade-36e417fa.in-36e417fa { opacity: 1; transform: none; }


/* enriched footer (v2) */
.foot-grid-36e417fa { grid-template-columns: 1.6fr repeat(4, 1fr); }
@media (max-width: 1100px) {
  .foot-grid-36e417fa { grid-template-columns: 1fr 1fr 1fr; }
}
@media (max-width: 720px) {
  .foot-grid-36e417fa { grid-template-columns: 1fr 1fr; }
}
.foot-tags-36e417fa { margin-top: 28px; padding-top: 22px; border-top: 1px dashed var(--glass-brd-36e417fa); }
.foot-tags-36e417fa h4 { font-size: 13px; color: var(--muted-36e417fa); margin-bottom: 10px; letter-spacing: .5px; }
.tag-row-36e417fa { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-row-36e417fa a {
  font-size: 12px; padding: 6px 12px; border-radius: 999px;
  background: var(--glass-36e417fa); border: 1px solid var(--glass-brd-36e417fa); color: var(--muted-36e417fa);
  transition: .25s ease;
}
.tag-row-36e417fa a:hover {
  background: linear-gradient(135deg, var(--primary-36e417fa), var(--accent-36e417fa));
  color: #0a0a14; border-color: transparent; transform: translateY(-2px);
}