/* =========================================================
   AI DISPATCH · 主样式表
   设计语言：暗色编辑杂志风 + 单色锐利强调
   ========================================================= */

:root {
  /* 调色板 */
  --bg: #0c0c0e;
  --bg-2: #16161a;
  --bg-3: #1f1f24;
  --line: #2a2a30;
  --text: #ebe8e0;
  --text-2: #b5b1a6;
  --text-3: #7c7970;
  --accent: #ff5733;
  --accent-2: #c4a36b;

  /* 字体 */
  --font-display: 'Fraunces', 'Songti SC', 'Source Han Serif SC', serif;
  --font-body: 'Manrope', 'PingFang SC', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Menlo, monospace;

  /* 节奏 */
  --max: 1320px;
  --gap: 28px;
  --radius: 4px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* 微妙的暗色网格背景 */
  background-image:
    radial-gradient(circle at 20% -10%, rgba(255, 87, 51, 0.06), transparent 50%),
    radial-gradient(circle at 90% 0%, rgba(196, 163, 107, 0.04), transparent 40%);
  background-attachment: fixed;
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

/* =========================================================
   MASTHEAD · 顶部导航
   ========================================================= */
.masthead {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(12, 12, 14, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.masthead-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 32px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
}

.brand { display: flex; align-items: baseline; gap: 14px; }
.brand-link { display: inline-flex; align-items: baseline; gap: 8px; }
.brand-mark { color: var(--accent); font-size: 14px; transform: translateY(-2px); }
.brand-name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: 0.02em;
}
.brand-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-3);
}

.nav { display: flex; gap: 28px; justify-content: center; }
.nav-link {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-2);
  position: relative;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--text); }
.nav-link::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -6px; height: 1px;
  background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s ease;
}
.nav-link:hover::after { transform: scaleX(1); }

.meta-strip {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--text-3);
}
.meta-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.meta-sep { opacity: 0.4; }

/* =========================================================
   HERO · 头版
   ========================================================= */
.hero {
  border-bottom: 1px solid var(--line);
  padding: 64px 32px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; right: -10%;
  width: 50%; height: 100%;
  background: radial-gradient(circle, rgba(255, 87, 51, 0.08), transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  position: relative;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(56px, 9vw, 140px);
  line-height: 0.92;
  letter-spacing: -0.03em;
  margin-bottom: 32px;
}
.hero-line { display: block; }
.hero-line--italic {
  font-style: italic;
  font-weight: 400;
  color: var(--text-2);
  padding-left: 1.5em;
}
.hero-line--italic em {
  font-style: italic;
  color: var(--accent);
  font-weight: 500;
}

.hero-lede {
  max-width: 720px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-2);
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 56px;
  border-top: 1px solid var(--line);
  padding-top: 28px;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 500;
  line-height: 1;
  color: var(--text);
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-3);
  margin-top: 8px;
}

/* =========================================================
   AD SLOTS · 广告位
   ========================================================= */
.ad-slot {
  margin: 0 auto;
  background: var(--bg-2);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}
.ad-slot--banner {
  max-width: var(--max);
  margin: 40px auto;
  padding: 18px;
  text-align: center;
}
.ad-slot--inline {
  margin: 32px 0;
  padding: 14px;
}
.ad-slot--sidebar {
  margin-bottom: 24px;
  padding: 14px;
}
.ad-label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 10px;
}
.ad-placeholder {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-3);
  padding: 30px 20px;
  background: var(--bg-3);
  border-radius: 2px;
}
.ad-placeholder--tall {
  padding: 80px 20px;
  line-height: 1.8;
}

/* =========================================================
   LAYOUT · 主区域
   ========================================================= */
.layout {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px 80px;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 56px;
}

/* SECTION HEAD */
.section-head { margin-bottom: 36px; }
.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 32px;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.section-rule {
  height: 2px;
  width: 60px;
  background: var(--accent);
  margin-bottom: 12px;
}
.section-sub {
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
}

/* =========================================================
   LEAD STORY · 头条
   ========================================================= */
.lead-story {
  border-bottom: 1px solid var(--line);
  padding-bottom: 40px;
  margin-bottom: 40px;
}
.lead-story a { display: block; }
.lead-source {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.lead-source::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent);
}
.lead-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 4.2vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin-bottom: 20px;
  color: var(--text);
  transition: color 0.2s;
}
.lead-story a:hover .lead-title { color: var(--accent); }
.lead-summary {
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-2);
  margin-bottom: 20px;
  max-width: 80ch;
}
.lead-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-3);
  letter-spacing: 0.05em;
}
.lead-skeleton {
  font-family: var(--font-mono);
  color: var(--text-3);
  padding: 80px 0;
  text-align: center;
}

/* =========================================================
   NEWS GRID · 后续新闻
   ========================================================= */
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px 28px;
}
.news-card {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.news-card a { display: block; }
.news-source {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-2);
}
.news-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
  transition: color 0.2s;
}
.news-card a:hover .news-title { color: var(--accent); }
.news-summary {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--text-2);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-3);
  margin-top: auto;
  padding-top: 6px;
  letter-spacing: 0.04em;
}

/* LOAD MORE */
.load-more-wrap {
  margin-top: 48px;
  text-align: center;
}
.load-more {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
  padding: 16px 32px;
  cursor: pointer;
  transition: all 0.2s;
}
.load-more:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* =========================================================
   SIDEBAR
   ========================================================= */
.sidebar { display: flex; flex-direction: column; }
.side-block {
  border: 1px solid var(--line);
  padding: 24px;
  margin-bottom: 24px;
  background: var(--bg-2);
}
.side-block--accent {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(255, 87, 51, 0.08), transparent);
}
.side-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.source-list { list-style: none; }
.source-list li {
  font-size: 13px;
  color: var(--text-2);
  padding: 8px 0;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dotted var(--line);
}
.source-list li:last-child { border-bottom: 0; }
.source-list .count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
}

.side-text {
  font-size: 13.5px;
  color: var(--text-2);
  margin-bottom: 18px;
  line-height: 1.55;
}
.subscribe { display: flex; flex-direction: column; gap: 10px; }
.subscribe input {
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
}
.subscribe input:focus { outline: none; border-color: var(--accent); }
.subscribe button {
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
}
.subscribe button:hover { background: #ff7050; }

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  border-top: 1px solid var(--line);
  background: var(--bg-2);
  padding-top: 56px;
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
}
.footer-col .brand-link { margin-bottom: 16px; }
.footer-text {
  font-size: 13.5px;
  color: var(--text-3);
  line-height: 1.7;
  max-width: 50ch;
}
.footer-title {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-3);
  margin-bottom: 18px;
}
.footer-list { list-style: none; }
.footer-list li {
  font-size: 13px;
  color: var(--text-2);
  padding: 5px 0;
}
.footer-list a:hover { color: var(--accent); }

.footer-bar {
  border-top: 1px solid var(--line);
  padding: 20px 32px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--text-3);
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 980px) {
  .masthead-inner {
    grid-template-columns: 1fr auto;
    padding: 14px 20px;
    gap: 16px;
  }
  .nav { display: none; }
  .brand-tag { display: none; }

  .hero { padding: 44px 20px 56px; }
  .hero-stats { gap: 32px; }
  .stat-num { font-size: 32px; }

  .layout {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 0 20px 60px;
  }
  .ad-slot--banner { margin: 24px 20px; }

  .news-grid { grid-template-columns: 1fr; gap: 28px; }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 0 20px 32px;
  }
  .footer-bar {
    padding: 16px 20px;
    flex-direction: column;
    gap: 6px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title { font-size: 52px; }
  .hero-line--italic { padding-left: 0.6em; }
  .lead-title { font-size: 28px; }
  .news-title { font-size: 19px; }
}

/* 文字选中色 */
::selection { background: var(--accent); color: var(--bg); }