:root {
  --ink: #111318;
  --ink-2: #20242c;
  --paper: #f3f1ea;
  --paper-2: #ebe8df;
  --acid: #c8ff3d;
  --acid-deep: #9edd00;
  --cyan: #54d6ff;
  --orange: #ff6b35;
  --text: #383c45;
  --muted: #747981;
  --border: #d8d4ca;
  --white: #fffefa;
  --panel: #faf8f2;
  --primary: #111318;
  --primary-deep: #111318;
  --bg-soft: #e8f7d5;
  --shadow: 0 16px 50px rgba(17, 19, 24, .07);
  --shadow-strong: 0 24px 70px rgba(17, 19, 24, .16);
  --shadow-orange: none;
  --radius: 18px;
  --radius-sm: 10px;
  --container: 1260px;
}

body {
  background: var(--paper);
  color: var(--text);
  font-family: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: -.01em;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .18;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.08'/%3E%3C/svg%3E");
  z-index: 1000;
}

h1, h2, h3, h4 { color: var(--ink); letter-spacing: -.045em; }
a { transition: color .18s ease, background .18s ease, transform .18s ease; }
.container { width: min(calc(100% - 48px), var(--container)); }

.signal-bar { background: var(--ink); color: #fff; font-size: 12px; }
.signal-bar .container { min-height: 34px; display: flex; align-items: center; gap: 18px; }
.signal-bar span { display: inline-flex; align-items: center; gap: 8px; font-weight: 850; letter-spacing: .12em; }
.signal-bar i { width: 7px; height: 7px; border-radius: 50%; background: var(--acid); box-shadow: 0 0 0 5px rgba(200,255,61,.12); }
.signal-bar p { color: #aeb3bd; flex: 1; }
.signal-bar a { color: var(--acid); font-weight: 750; }

.site-header { background: rgba(243,241,234,.94); border-color: var(--border); }
.header-inner { min-height: 78px; }
.site-logo { gap: 10px; }
.site-logo-mark { width: 46px; height: 46px; border-radius: 12px; background: var(--acid); color: var(--ink); box-shadow: none; font-size: 14px; font-weight: 950; letter-spacing: -.05em; border: 1px solid var(--ink); }
.site-logo-text strong { font-size: 19px; font-weight: 950; letter-spacing: -.055em; }
.site-logo-text strong span { color: #628300; }
.site-logo-text small { font-size: 10px; letter-spacing: .03em; }
.main-nav a { font-size: 13px; font-weight: 680; }
.main-nav a:hover, .main-nav a.is-active { background: var(--ink); color: #fff; }
.search-form { height: 40px; background: var(--white); border-color: var(--border); }
.search-form button { background: var(--ink); }
.menu-toggle { background: var(--acid); border-color: var(--ink); }

.hero-section { padding: 30px 0 20px; }
.hero-news-layout { grid-template-columns: minmax(0, 1.55fr) minmax(330px, .65fr); gap: 18px; }
.hero-main, .hero-side-panel { border: 1px solid rgba(255,255,255,.09); box-shadow: var(--shadow-strong); }
.hero-main {
  min-height: 590px;
  padding: clamp(38px, 5vw, 72px);
  border-radius: 28px;
  overflow: hidden;
  position: relative;
  background:
    radial-gradient(circle at 84% 16%, rgba(84,214,255,.28), transparent 30%),
    radial-gradient(circle at 0 100%, rgba(200,255,61,.18), transparent 34%),
    var(--ink);
}
.hero-main::before { content: ""; position: absolute; inset: 0; opacity: .16; background-image: linear-gradient(rgba(255,255,255,.22) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.22) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to bottom right,#000,transparent 78%); }
.hero-main > * { position: relative; z-index: 1; }
.hero-main .section-kicker { color: var(--acid); font-size: 12px; font-weight: 850; letter-spacing: .16em; }
.hero-main h1 { max-width: 760px; color: #fff; font-size: clamp(54px, 6vw, 88px); line-height: .98; margin-top: 24px; letter-spacing: -.075em; }
.hero-subtitle { color: #fff; font-size: clamp(21px, 2vw, 29px); font-weight: 780; margin-top: 22px; }
.hero-text { max-width: 720px; color: #aeb4bf; font-size: 16px; line-height: 1.85; margin-top: 16px; }
.hero-search { max-width: 720px; height: 58px; padding: 6px; margin-top: 30px; border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.1); backdrop-filter: blur(12px); }
.hero-search input { color: #fff; }
.hero-search input::placeholder { color: #939aa6; }
.hero-search button { background: var(--acid); color: var(--ink); font-weight: 850; }
.hot-searches { margin-top: 18px; }
.hot-searches a { color: #aeb4bf; }
.hot-searches a:hover { color: var(--acid); }
.orange-badge { color: var(--ink); background: var(--acid); border-color: var(--acid); font-weight: 850; }
.hero-metrics { margin-top: 34px; gap: 8px; }
.hero-metrics div { min-height: 98px; border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.06); border-radius: 14px; }
.hero-metrics strong { color: #fff; font-size: 28px; }
.hero-metrics span { color: #8f96a2; font-size: 12px; }

.hero-side-panel { border-radius: 28px; padding: 0; background: #fff; overflow: hidden; }
.dashboard-block { padding: 22px 24px; border-color: #e5e2da; }
.dashboard-block:first-child { padding: 28px 24px; background: var(--acid); }
.dashboard-head h2 { font-size: 24px; }
.dashboard-head .orange-badge { background: var(--ink); color: #fff; border-color: var(--ink); }
.dashboard-list { display: grid; gap: 0; }
.dashboard-list li { padding: 14px 0 14px 22px; position: relative; border-bottom: 1px solid #ece9e1; }
.dashboard-list li::before { content: ""; position: absolute; left: 0; top: 22px; width: 7px; height: 7px; border-radius: 50%; background: var(--orange); }
.dashboard-list a { color: var(--ink); font-weight: 720; line-height: 1.5; }
.trend-tags span { background: var(--paper); border: 1px solid var(--border); color: var(--ink); }

.section-block { padding: 64px 0; }
.section-tint { background: var(--ink); border: 0; }
.section-header { align-items: end; margin-bottom: 26px; }
.section-kicker { color: #628300; font-weight: 850; letter-spacing: .14em; }
.section-header h2 { font-size: clamp(32px,4vw,52px); margin-top: 4px; }
.section-more { color: var(--ink); padding-bottom: 4px; border-bottom: 2px solid var(--acid-deep); font-weight: 750; }
.section-tint .section-kicker { color: var(--acid); }
.section-tint .section-header h2 { color: #fff; }

.card { border: 1px solid var(--border); border-radius: var(--radius); box-shadow: none; background: var(--white); }
.card:hover { transform: translateY(-5px); border-color: #aaa69c; box-shadow: var(--shadow); }
.empty-state { min-height: 220px; display: grid; place-content: center; gap: 8px; background: var(--paper-2); border-style: dashed; }
.empty-state h3 { font-size: 26px; }

.article-list-grid { gap: 16px; }
.article-card { overflow: hidden; }
.article-card-body { padding: 26px; }
.article-card h3 { font-size: 22px; line-height: 1.38; margin: 8px 0 12px; }
.article-card-body > p:not(.card-category) { color: var(--muted); }
.article-meta { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); font-size: 12px; color: var(--muted); }
.card-category { color: #628300; font-size: 11px; font-weight: 880; letter-spacing: .1em; text-transform: uppercase; }

.section-intro { max-width: 760px; margin-top: 10px; color: var(--muted); font-size: 16px; line-height: 1.7; }
.intelligence-section { background: #e9e6dc; }
.brand-grid { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 12px; }
.brand-card { min-height: 310px; padding: 22px; display: flex; flex-direction: column; }
.brand-card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 11px; font-weight: 800; }
.brand-monogram { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; background: var(--ink); color: var(--acid); font-size: 12px; letter-spacing: -.04em; }
.brand-card h3 { margin: 24px 0 10px; font-size: 25px; }
.brand-card > p { color: var(--muted); font-size: 13px; line-height: 1.65; }
.brand-subtopics { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.brand-subtopics a { padding: 6px 8px; border: 1px solid var(--border); border-radius: 999px; color: var(--ink); font-size: 10px; font-weight: 750; }
.brand-enter { margin-top: auto; padding-top: 20px; color: #628300; font-size: 13px; font-weight: 850; }

.reading-paths-section { padding-top: 20px; }
.reading-paths { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.reading-path { min-height: 270px; padding: 28px; display: flex; flex-direction: column; background: var(--ink); border-color: var(--ink); }
.reading-path:hover { border-color: var(--acid); box-shadow: 0 18px 50px rgba(15,16,18,.18); }
.reading-path > span { color: var(--acid); font-size: 13px; font-weight: 900; letter-spacing: .14em; }
.reading-path h3 { margin: 28px 0 12px; color: #fff; font-size: 26px; }
.reading-path h3 a { color: inherit; }
.reading-path p { color: #aeb4bf; font-size: 14px; line-height: 1.75; }
.reading-path > a { margin-top: auto; padding-top: 22px; color: var(--acid); font-weight: 800; }

.topic-grid { grid-template-columns: repeat(5,minmax(0,1fr)); gap: 12px; }
.topic-card { min-height: 240px; padding: 24px; border-color: rgba(255,255,255,.12); background: var(--ink-2); display: flex; flex-direction: column; }
.topic-card:hover { border-color: var(--acid); box-shadow: 0 18px 50px rgba(0,0,0,.25); }
.topic-card span { color: var(--acid); font-size: 11px; font-weight: 850; letter-spacing: .1em; }
.topic-card h3 { color: #fff; font-size: 24px; margin-top: 26px; }
.topic-card p { color: #9aa0aa; font-size: 13px; margin-top: 10px; }
.topic-card a { color: var(--acid); margin-top: auto; font-weight: 750; }

.tool-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.tool-card { min-height: 280px; padding: 28px; display: flex; flex-direction: column; }
.tool-card h2, .tool-card h3 { font-size: 28px; margin: 12px 0; }
.tool-card > p:not(.card-category) { color: var(--muted); }
.tool-card .button { margin-top: auto; }
.button.primary { background: var(--acid); color: var(--ink); box-shadow: none; font-weight: 850; }
.button.secondary { background: var(--ink); color: #fff; border-color: var(--ink); }

.channel-hero { padding: 56px 0 26px; background: transparent; }
.channel-hero-inner { min-height: 320px; align-items: end; padding: clamp(32px,5vw,64px); border-radius: 28px; background: var(--ink); overflow: hidden; position: relative; }
.channel-hero-inner::after { content:""; position:absolute; width:420px; height:420px; right:-100px; top:-190px; border-radius:50%; background:var(--acid); filter:blur(1px); opacity:.88; }
.channel-hero-copy { position:relative; z-index:1; max-width:800px; }
.channel-hero-copy .section-kicker { color:var(--acid); }
.channel-hero-copy h1 { color:#fff; font-size:clamp(44px,6vw,76px); }
.channel-hero-copy p:not(.section-kicker) { color:#aeb4bf; font-size:17px; max-width:700px; }

.content-with-sidebar { grid-template-columns: minmax(0,1fr) 310px; }
.content-entry { padding: clamp(28px,5vw,68px); border-radius: 24px; }
.content-entry h1 { font-size: clamp(38px,5vw,66px); line-height: 1.08; }
.content-entry h2 { font-size: clamp(25px,3vw,36px); margin-top: 1.6em; }
.content-entry h3 { font-size: 22px; margin-top: 1.4em; }
.content-entry p, .content-entry li { font-size: 17px; line-height: 1.95; }
.content-entry > p:first-of-type.card-category { font-size: 11px; line-height: 1.4; }
.article-sidebar { position: sticky; top: 130px; display: grid; gap: 14px; }
.sidebar-card { padding: 24px; }
.sidebar-card h3 { font-size: 19px; }
.sidebar-card p { color: var(--muted); margin-top: 10px; font-size: 14px; }
.source-list { margin-top:12px; padding-left:20px; display:grid; gap:9px; }
.source-list a { color:#628300; font-size:13px; font-weight:760; }

.topic-crumbs { display:flex; flex-wrap:wrap; gap:8px; align-items:center; margin-bottom:24px; font-size:12px; color:#959ba5; }
.topic-crumbs a { color:#fff; }
.topic-hero-actions { display:flex; gap:10px; margin-top:26px; }
.topic-hero-actions a { min-height:44px; display:inline-flex; align-items:center; padding:0 18px; border-radius:999px; font-weight:800; }
.topic-hero-actions .solid { background:var(--acid); color:var(--ink); }
.topic-hero-actions .ghost { border:1px solid rgba(255,255,255,.22); color:#fff; }
.topic-layout { display:grid; grid-template-columns:280px minmax(0,1fr); gap:24px; align-items:start; }
.topic-tree { position:sticky; top:128px; padding:22px; }
.topic-tree h3 { font-size:16px; margin-bottom:14px; }
.topic-tree ul { list-style:none; display:grid; gap:5px; }
.topic-tree a { display:flex; justify-content:space-between; padding:11px 12px; border-radius:9px; font-size:13px; font-weight:700; }
.topic-tree a:hover, .topic-tree a.is-current { background:var(--ink); color:#fff; }
.topic-children { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; margin-bottom:38px; }
.topic-child { min-height:160px; padding:22px; display:flex; flex-direction:column; }
.topic-child .topic-index { color:#628300; font-size:11px; font-weight:900; letter-spacing:.1em; }
.topic-child h3 { font-size:22px; margin:18px 0 8px; }
.topic-child p { color:var(--muted); font-size:13px; }
.topic-child a { margin-top:auto; color:#628300; font-weight:800; }

.update-stream { display:grid; gap:10px; }
.update-row { display:grid; grid-template-columns:120px minmax(0,1fr) 110px; gap:22px; align-items:start; padding:24px; }
.update-row:hover { transform:none; border-color:#99958a; }
.update-date { color:var(--muted); font-size:12px; font-weight:750; }
.update-date strong { display:block; color:var(--ink); font-size:14px; }
.update-copy h3 { font-size:22px; }
.update-copy p { color:var(--muted); margin-top:7px; }
.update-version { justify-self:end; padding:6px 10px; border-radius:999px; background:var(--paper-2); font-size:11px; font-weight:800; }
.update-kind { display:inline-flex; margin-bottom:8px; color:#628300; font-size:10px; font-weight:900; letter-spacing:.12em; text-transform:uppercase; }

.product-meta-grid { grid-template-columns:repeat(3,minmax(0,1fr)); }
.product-meta-grid > div { background:var(--paper); }

.site-footer { margin-top: 30px; padding-top: 64px; background: var(--ink); border: 0; }
.site-footer .site-logo-text strong, .site-footer h3 { color:#fff; }
.site-footer .site-logo-text small, .site-footer p, .site-footer a, .footer-bottom { color:#9298a3; }
.site-footer .site-logo-mark { border-color:var(--acid); }
.footer-bottom { border-color:rgba(255,255,255,.1); }

@media (max-width: 1100px) {
  .main-nav, .header-actions .search-form { display:none; }
  .menu-toggle { display:block; }
  .header-actions { margin-left:auto; }
  .hero-news-layout { grid-template-columns:1fr; }
  .hero-main { min-height:auto; }
  .topic-grid, .brand-grid { grid-template-columns:repeat(3,minmax(0,1fr)); }
}

@media (max-width: 820px) {
  .container { width:min(calc(100% - 28px),var(--container)); }
  .signal-bar p { display:none; }
  .signal-bar a { margin-left:auto; }
  .section-block { padding:46px 0; }
  .hero-main { padding:38px 26px; border-radius:22px; }
  .hero-main h1 { font-size:clamp(46px,12vw,66px); }
  .hero-metrics { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .card-grid.three, .article-list-grid, .tool-grid, .topic-children { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .topic-grid, .brand-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .reading-paths { grid-template-columns:1fr; }
  .content-with-sidebar, .topic-layout { grid-template-columns:1fr; }
  .article-sidebar, .topic-tree { position:static; }
  .update-row { grid-template-columns:90px minmax(0,1fr); }
  .update-version { grid-column:2; justify-self:start; }
}

@media (max-width: 560px) {
  .signal-bar .container { min-height:38px; }
  .signal-bar a { font-size:0; }
  .signal-bar a::after { content:"更新流 →"; font-size:11px; }
  .site-logo-text small { display:none; }
  .header-inner { min-height:68px; }
  .site-logo-mark { width:40px; height:40px; }
  .hero-section { padding-top:14px; }
  .hero-main, .hero-side-panel, .channel-hero-inner { border-radius:18px; }
  .hero-main h1 { font-size:44px; }
  .hero-subtitle { font-size:19px; }
  .hero-text { font-size:14px; }
  .hero-search { height:auto; display:grid; background:transparent; border:0; padding:0; gap:8px; }
  .hero-search input { height:50px; border:1px solid rgba(255,255,255,.16); background:rgba(255,255,255,.1); border-radius:12px; padding:0 16px; }
  .hero-search button { height:50px; border-radius:12px; }
  .hero-metrics div { min-height:86px; }
  .card-grid.three, .article-list-grid, .tool-grid, .topic-grid, .topic-children, .brand-grid { grid-template-columns:1fr; }
  .brand-card { min-height:260px; }
  .topic-card { min-height:190px; }
  .channel-hero { padding-top:18px; }
  .channel-hero-inner { min-height:290px; padding:30px 24px; }
  .channel-hero-inner::after { width:220px; height:220px; right:-100px; top:-100px; }
  .channel-hero-copy h1 { font-size:42px; }
  .content-entry { padding:28px 22px; }
  .content-entry h1 { font-size:36px; }
  .content-entry p, .content-entry li { font-size:16px; }
  .update-row { grid-template-columns:1fr; gap:10px; padding:20px; }
  .update-version { grid-column:1; }
  .product-meta-grid { grid-template-columns:1fr; }
}