/* ============================================================
   每日必看黑料 · 全局样式系统
   设计语言：夜刷吃瓜 / 深色科技新闻 / 红橙热度渐变
   ============================================================ */

:root {
  /* 色板 */
  --bg: #0b0f1a;
  --bg-soft: #0e1320;
  --panel: #131a2a;
  --card: #182133;
  --card-hover: #1e2a42;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);

  --hot: #ff3b4e;
  --hot-2: #ff6b35;
  --gold: #ffc53d;
  --blue: #3b82f6;
  --green: #22c55e;
  --purple: #a78bfa;

  --text: #e8ecf4;
  --text-2: #9aa6bf;
  --text-3: #5b6478;

  /* 渐变 */
  --grad-hot: linear-gradient(100deg, #ff3b4e 0%, #ff6b35 100%);
  --grad-gold: linear-gradient(100deg, #ffc53d, #ff9a3d);
  --grad-panel: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0));

  /* 字体 */
  --font-sans: "HarmonyOS Sans SC", "PingFang SC", "PingFang HK",
    "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;

  /* 圆角与阴影 */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --shadow-1: 0 8px 30px rgba(0, 0, 0, 0.35);
  --shadow-hot: 0 10px 40px rgba(255, 59, 78, 0.25);

  --nav-h: 68px;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 背景氛围光晕 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(255, 59, 78, 0.13), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(59, 130, 246, 0.08), transparent 55%),
    radial-gradient(700px 500px at 50% 120%, rgba(255, 107, 53, 0.07), transparent 60%);
}

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

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

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  border: 0;
  cursor: pointer;
  background: none;
  color: inherit;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

::selection {
  background: rgba(255, 59, 78, 0.4);
  color: #fff;
}

/* 细滚动条 */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: #2a3550;
  border-radius: 8px;
  border: 2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover {
  background: #3a4a6e;
}

/* ---------- 通用容器 ---------- */
.container {
  width: min(1200px, 100% - 2rem);
  margin-inline: auto;
}

.section {
  padding: 56px 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.section-title {
  font-size: clamp(22px, 3.2vw, 30px);
  font-weight: 800;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title::before {
  content: "";
  width: 6px;
  height: 22px;
  border-radius: 4px;
  background: var(--grad-hot);
  box-shadow: 0 0 14px rgba(255, 59, 78, 0.6);
}

.section-sub {
  color: var(--text-2);
  font-size: 14px;
}

.link-more {
  color: var(--text-2);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
  white-space: nowrap;
}
.link-more:hover {
  color: var(--hot-2);
}
.link-more::after {
  content: "→";
  transition: transform 0.2s;
}
.link-more:hover::after {
  transform: translateX(3px);
}

/* ---------- 顶栏 ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(11, 15, 26, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.nav.scrolled {
  background: rgba(11, 15, 26, 0.94);
  border-bottom-color: var(--line);
}
.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 28px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 18px;
  letter-spacing: 0.5px;
}
.logo-badge {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--grad-hot);
  display: grid;
  place-items: center;
  font-size: 18px;
  color: #fff;
  box-shadow: 0 6px 18px rgba(255, 59, 78, 0.4);
  flex-shrink: 0;
}
.logo small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 2px;
  line-height: 1.2;
}

/* 导航链接 */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-2);
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.nav-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}
.nav-links a.active {
  color: #fff;
  background: rgba(255, 59, 78, 0.14);
  box-shadow: inset 0 0 0 1px rgba(255, 59, 78, 0.35);
}
.nav-links a.active::after {
  content: "●";
  font-size: 8px;
  color: var(--hot);
  margin-left: 6px;
  vertical-align: 2px;
}

/* 顶栏右侧 */
.nav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-search {
  position: relative;
}
.nav-search input {
  width: 190px;
  height: 38px;
  padding: 0 14px 0 38px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  font-size: 13px;
  color: var(--text);
  outline: none;
  transition: width 0.3s, border-color 0.3s, background 0.3s;
}
.nav-search input::placeholder {
  color: var(--text-3);
}
.nav-search input:focus {
  width: 230px;
  border-color: rgba(255, 59, 78, 0.5);
  background: rgba(255, 255, 255, 0.08);
}
.nav-search .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  pointer-events: none;
}

.btn-submit-nav {
  height: 38px;
  padding: 0 18px;
  border-radius: 20px;
  background: var(--grad-hot);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  box-shadow: 0 6px 16px rgba(255, 59, 78, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-submit-nav:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(255, 59, 78, 0.5);
}

/* 汉堡菜单 */
.burger {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  place-items: center;
  gap: 0;
}
.burger span {
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  display: block;
  position: relative;
  transition: 0.25s;
}
.burger span::before,
.burger span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.25s;
}
.burger span::before {
  top: -6px;
}
.burger span::after {
  top: 6px;
}
.burger.open span {
  background: transparent;
}
.burger.open span::before {
  top: 0;
  transform: rotate(45deg);
}
.burger.open span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* 移动端抽屉菜单 */
.drawer {
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  z-index: 99;
  background: rgba(11, 15, 26, 0.98);
  backdrop-filter: blur(20px);
  padding: 24px;
  display: none;
  flex-direction: column;
  gap: 8px;
}
.drawer.open {
  display: flex;
}
.drawer a {
  padding: 14px 16px;
  border-radius: 12px;
  font-size: 17px;
  font-weight: 600;
  color: var(--text-2);
  border: 1px solid transparent;
}
.drawer a.active {
  color: #fff;
  background: rgba(255, 59, 78, 0.12);
  border-color: rgba(255, 59, 78, 0.35);
}
.drawer a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}
.drawer .btn-submit-nav {
  margin-top: 12px;
  height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
}

/* ---------- 热搜滚动条 ---------- */
.ticker {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  position: relative;
}
.ticker-track {
  display: flex;
  align-items: center;
  gap: 36px;
  padding: 10px 0;
  white-space: nowrap;
  animation: ticker-scroll 32s linear infinite;
  width: max-content;
}
.ticker:hover .ticker-track {
  animation-play-state: paused;
}
.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-2);
}
.ticker-item b {
  color: var(--text);
  font-weight: 600;
}
.ticker-item .fire {
  color: var(--hot);
  font-size: 12px;
}
.ticker-label {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 14px;
  background: var(--grad-hot);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  clip-path: polygon(0 0, 100% 0, 88% 100%, 0 100%);
  padding-right: 26px;
}
.ticker-label::after {
  content: "LIVE";
  font-size: 9px;
  background: rgba(255, 255, 255, 0.2);
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 1px;
}

@keyframes ticker-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 26px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, color 0.2s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad-hot);
  color: #fff;
  box-shadow: 0 8px 24px rgba(255, 59, 78, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(255, 59, 78, 0.5);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  box-shadow: inset 0 0 0 1px var(--line-strong);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}
.btn-gold {
  background: var(--grad-gold);
  color: #1a1204;
  box-shadow: 0 8px 24px rgba(255, 197, 61, 0.3);
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255, 197, 61, 0.45);
}
.btn-sm {
  height: 36px;
  padding: 0 16px;
  font-size: 13px;
  border-radius: 10px;
}

/* ---------- 徽章 ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  line-height: 1.5;
  white-space: nowrap;
}
.badge-hot {
  background: rgba(255, 59, 78, 0.16);
  color: #ff7180;
  box-shadow: inset 0 0 0 1px rgba(255, 59, 78, 0.4);
}
.badge-gold {
  background: rgba(255, 197, 61, 0.14);
  color: #ffd166;
  box-shadow: inset 0 0 0 1px rgba(255, 197, 61, 0.4);
}
.badge-blue {
  background: rgba(59, 130, 246, 0.14);
  color: #7db4ff;
  box-shadow: inset 0 0 0 1px rgba(59, 130, 246, 0.4);
}
.badge-green {
  background: rgba(34, 197, 94, 0.14);
  color: #5bdc8f;
  box-shadow: inset 0 0 0 1px rgba(34, 197, 94, 0.4);
}
.badge-purple {
  background: rgba(167, 139, 250, 0.14);
  color: #c4b0ff;
  box-shadow: inset 0 0 0 1px rgba(167, 139, 250, 0.4);
}
.badge-gray {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-2);
  box-shadow: inset 0 0 0 1px var(--line);
}

/* 信源分级徽章（业务核心） */
.src {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 9px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
  letter-spacing: 0.3px;
}
.src-a {
  background: rgba(34, 197, 94, 0.13);
  color: #5bdc8f;
  box-shadow: inset 0 0 0 1px rgba(34, 197, 94, 0.35);
}
.src-b {
  background: rgba(59, 130, 246, 0.13);
  color: #7db4ff;
  box-shadow: inset 0 0 0 1px rgba(59, 130, 246, 0.35);
}
.src-c {
  background: rgba(167, 139, 250, 0.13);
  color: #c4b0ff;
  box-shadow: inset 0 0 0 1px rgba(167, 139, 250, 0.35);
}
.src-d {
  background: rgba(255, 197, 61, 0.13);
  color: #ffd166;
  box-shadow: inset 0 0 0 1px rgba(255, 197, 61, 0.35);
}

/* ---------- 热度指数条 ---------- */
.heat {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 120px;
}
.heat-track {
  flex: 1;
  height: 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.heat-fill {
  height: 100%;
  border-radius: 4px;
  background: var(--grad-hot);
  box-shadow: 0 0 10px rgba(255, 59, 78, 0.6);
  animation: heat-grow 1.2s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.heat-fill.mid {
  background: linear-gradient(90deg, #ffb020, #ff6b35);
  box-shadow: 0 0 10px rgba(255, 176, 32, 0.5);
}
.heat-fill.low {
  background: linear-gradient(90deg, #6b7bfa, #3b82f6);
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}
.heat-num {
  font-size: 13px;
  font-weight: 800;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  min-width: 44px;
  text-align: right;
}
.heat-num small {
  color: var(--text-3);
  font-size: 10px;
  font-weight: 500;
}

@keyframes heat-grow {
  from {
    width: 0;
  }
}

/* ---------- 卡片 ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 22px;
  transition: transform 0.25s, border-color 0.25s, background 0.25s, box-shadow 0.25s;
  position: relative;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 59, 78, 0.3);
  background: var(--card-hover);
  box-shadow: var(--shadow-1);
}

/* 头条大卡 */
.hero-card {
  border-radius: var(--r-lg);
  padding: clamp(28px, 5vw, 56px);
  background:
    linear-gradient(120deg, rgba(255, 59, 78, 0.16), transparent 45%),
    radial-gradient(800px 320px at 85% 20%, rgba(255, 107, 53, 0.16), transparent 60%),
    var(--card);
  border: 1px solid rgba(255, 59, 78, 0.25);
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 40px;
  align-items: center;
}
.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(600px 320px at 80% 30%, #000, transparent);
  -webkit-mask-image: radial-gradient(600px 320px at 80% 30%, #000, transparent);
  pointer-events: none;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
}
.hero-title {
  font-size: clamp(26px, 4.5vw, 44px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
}
.hero-title .hl {
  background: var(--grad-hot);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-desc {
  color: var(--text-2);
  font-size: 15px;
  max-width: 56ch;
  margin-bottom: 26px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.stat-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 18px 14px;
  text-align: center;
}
.stat-box b {
  display: block;
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  background: var(--grad-hot);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-box span {
  font-size: 12px;
  color: var(--text-2);
  letter-spacing: 1px;
}

/* ---------- 热榜列表 ---------- */
.rank-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.rank-item {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 16px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: transform 0.2s, border-color 0.2s, background 0.2s;
  cursor: pointer;
}
.rank-item:hover {
  transform: translateX(4px);
  border-color: rgba(255, 59, 78, 0.35);
  background: var(--card-hover);
}
.rank-no {
  font-size: 24px;
  font-weight: 900;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
  text-align: center;
  line-height: 1;
}
.rank-item:nth-child(1) .rank-no,
.rank-item:nth-child(2) .rank-no,
.rank-item:nth-child(3) .rank-no {
  color: transparent;
  background: var(--grad-hot);
  -webkit-background-clip: text;
  background-clip: text;
}
.rank-main {
  min-width: 0;
}
.rank-title {
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.rank-title a:hover {
  color: var(--hot-2);
}
.rank-meta {
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-3);
  flex-wrap: wrap;
}
.rank-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}
.rank-trend {
  font-size: 11px;
  font-weight: 700;
}
.trend-up {
  color: var(--hot);
}
.trend-new {
  color: var(--gold);
}
.trend-down {
  color: var(--blue);
}

/* ---------- 网格 ---------- */
.grid {
  display: grid;
  gap: 18px;
}
.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}
.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* 新闻/事件卡片 */
.news-card .card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.news-card h3 {
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.45;
  margin-bottom: 8px;
}
.news-card h3 a:hover {
  color: var(--hot-2);
}
.news-card p {
  font-size: 13.5px;
  color: var(--text-2);
  margin-bottom: 14px;
}
.news-card .card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
  font-size: 12px;
  color: var(--text-3);
}
.news-card .cover {
  height: 88px;
  border-radius: var(--r-sm);
  margin-bottom: 14px;
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  font-size: 26px;
}
.cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(0, 0, 0, 0.4));
}
.cover-fire {
  background: linear-gradient(120deg, #ff3b4e, #ff6b35);
}
.cover-gold {
  background: linear-gradient(120deg, #ffc53d, #ff9a3d);
}
.cover-blue {
  background: linear-gradient(120deg, #3b82f6, #5a6cf0);
}
.cover-purple {
  background: linear-gradient(120deg, #a78bfa, #7c6cf0);
}
.cover-green {
  background: linear-gradient(120deg, #22c55e, #14b8a6);
}
.cover-gray {
  background: linear-gradient(120deg, #334155, #475569);
}
.cover em {
  font-style: normal;
  font-size: 15px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 1px;
  position: relative;
  z-index: 1;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

/* ---------- 独家爆料区 ---------- */
.exclusive {
  background:
    radial-gradient(700px 300px at 90% -10%, rgba(255, 197, 61, 0.14), transparent 60%),
    linear-gradient(135deg, rgba(255, 197, 61, 0.06), transparent 50%),
    var(--card);
  border: 1px solid rgba(255, 197, 61, 0.28);
  border-radius: var(--r-lg);
  padding: clamp(26px, 4vw, 44px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}
.exclusive h2 {
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 900;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}
.exclusive h2 .hl {
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.exclusive p {
  color: var(--text-2);
  font-size: 14.5px;
  margin-bottom: 22px;
  max-width: 52ch;
}
.exclusive-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.exclusive-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: background 0.2s, border-color 0.2s;
}
.exclusive-item:hover {
  background: rgba(255, 197, 61, 0.08);
  border-color: rgba(255, 197, 61, 0.35);
}
.exclusive-item .lock {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 197, 61, 0.15);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.exclusive-item b {
  font-size: 14.5px;
  display: block;
  line-height: 1.4;
}
.exclusive-item span {
  font-size: 12px;
  color: var(--text-3);
}

/* ---------- 时间线 ---------- */
.timeline {
  position: relative;
  padding-left: 34px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, rgba(255, 59, 78, 0.6), rgba(59, 130, 246, 0.3));
}
.tl-item {
  position: relative;
  padding-bottom: 26px;
}
.tl-item:last-child {
  padding-bottom: 0;
}
.tl-dot {
  position: absolute;
  left: -34px;
  top: 4px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--panel);
  border: 3px solid var(--hot);
  box-shadow: 0 0 0 4px rgba(255, 59, 78, 0.15);
}
.tl-item.mid .tl-dot {
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(255, 197, 61, 0.15);
}
.tl-item.blue .tl-dot {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}
.tl-item.green .tl-dot {
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.15);
}
.tl-item.gray .tl-dot {
  border-color: var(--text-3);
  box-shadow: 0 0 0 4px rgba(91, 100, 120, 0.15);
}
.tl-time {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.tl-body {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 16px 18px;
  transition: border-color 0.2s;
}
.tl-item:not(.gray):hover .tl-body {
  border-color: rgba(255, 59, 78, 0.3);
}
.tl-body h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
}
.tl-body p {
  font-size: 13.5px;
  color: var(--text-2);
}

/* ---------- 表格 ---------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--card);
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}
th,
td {
  padding: 14px 18px;
  text-align: left;
  font-size: 13.5px;
}
th {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-2);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  white-space: nowrap;
}
td {
  border-top: 1px solid var(--line);
}
tbody tr {
  transition: background 0.2s;
}
tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

/* ---------- Tab 筛选 ---------- */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tab-btn {
  padding: 8px 18px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
  transition: 0.2s;
}
.tab-btn:hover {
  color: var(--text);
  border-color: var(--line-strong);
}
.tab-btn.active {
  background: var(--grad-hot);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(255, 59, 78, 0.3);
}

/* ---------- 提示条 ---------- */
.notice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 18px;
  border-radius: var(--r-md);
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.25);
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.6;
}
.notice.warn {
  background: rgba(255, 197, 61, 0.07);
  border-color: rgba(255, 197, 61, 0.25);
}
.notice.hot {
  background: rgba(255, 59, 78, 0.07);
  border-color: rgba(255, 59, 78, 0.25);
}

/* ---------- 步骤/证据卡 ---------- */
.evidence {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 20px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: border-color 0.2s, transform 0.2s;
}
.evidence:hover {
  transform: translateY(-3px);
  border-color: rgba(59, 130, 246, 0.4);
}
.evidence-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  font-size: 18px;
}
.evidence b {
  display: block;
  font-size: 14.5px;
  margin-bottom: 4px;
}
.evidence p {
  font-size: 13px;
  color: var(--text-2);
}

/* ---------- 表单 ---------- */
.form-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(24px, 4vw, 40px);
}
.field {
  margin-bottom: 18px;
}
.field label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-2);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}
.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}
.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: rgba(255, 59, 78, 0.5);
  background: rgba(255, 255, 255, 0.06);
}
.field textarea {
  resize: vertical;
  min-height: 140px;
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-tip {
  font-size: 12.5px;
  color: var(--text-3);
  margin-top: 6px;
}
.form-success {
  display: none;
  text-align: center;
  padding: 60px 20px;
}
.form-success.show {
  display: block;
}
.form-success .ok {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.15);
  border: 2px solid rgba(34, 197, 94, 0.5);
  display: grid;
  place-items: center;
  font-size: 32px;
  color: var(--green);
  margin: 0 auto 18px;
}

/* ---------- 标签云 ---------- */
.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag-pill {
  padding: 8px 16px;
  border-radius: 20px;
  background: var(--card);
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
  transition: 0.2s;
}
.tag-pill:hover {
  color: #fff;
  background: rgba(255, 59, 78, 0.15);
  border-color: rgba(255, 59, 78, 0.4);
  transform: translateY(-2px);
}

/* ---------- 页脚 ---------- */
.footer {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  padding: 48px 0 28px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 36px;
  margin-bottom: 36px;
}
.footer h4 {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: var(--text-2);
  font-size: 13.5px;
  transition: color 0.2s, transform 0.2s;
}
.footer-links a:hover {
  color: var(--hot-2);
  transform: translateX(3px);
}
.footer-desc {
  color: var(--text-2);
  font-size: 13.5px;
  max-width: 40ch;
  margin: 12px 0 20px;
  line-height: 1.7;
}
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--text-3);
}

/* ---------- 返回顶部 ---------- */
.to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--card);
  border: 1px solid var(--line-strong);
  display: grid;
  place-items: center;
  font-size: 18px;
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: 0.3s;
}
.to-top.show {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.to-top:hover {
  border-color: rgba(255, 59, 78, 0.5);
  color: var(--hot-2);
}

/* ---------- 滚动显现动画（仅在 JS 可用时启用，保证无 JS 也完全可见） ---------- */
html.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
html.js .reveal.in {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  html.js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .ticker-track {
    animation: none;
  }
}

/* ---------- 面包屑 & 页头 ---------- */
.page-hero {
  padding: 44px 0 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 36px;
  position: relative;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--text-3);
  margin-bottom: 14px;
}
.breadcrumb a {
  transition: color 0.2s;
}
.breadcrumb a:hover {
  color: var(--hot-2);
}
.page-hero h1 {
  font-size: clamp(26px, 4.5vw, 42px);
  font-weight: 900;
  letter-spacing: 0.5px;
  line-height: 1.25;
}
.page-hero .sub {
  color: var(--text-2);
  font-size: 14.5px;
  margin-top: 10px;
  max-width: 62ch;
}

/* ---------- 状态块 ---------- */
.status-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 30px;
}
.status-cell {
  flex: 1;
  min-width: 150px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 16px 18px;
}
.status-cell b {
  display: block;
  font-size: 18px;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
}
.status-cell span {
  font-size: 12px;
  color: var(--text-3);
  letter-spacing: 0.5px;
}

/* ---------- 热榜搜索高亮 ---------- */
.rank-hit {
  border-color: rgba(255, 59, 78, 0.55) !important;
  background: rgba(255, 59, 78, 0.09) !important;
  box-shadow: 0 0 0 3px rgba(255, 59, 78, 0.14);
}
.rank-miss {
  opacity: 0.35;
}

/* ---------- 分页 ---------- */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 34px;
}
.pagination a {
  min-width: 40px;
  height: 40px;
  padding: 0 10px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--card);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-2);
  transition: 0.2s;
}
.pagination a:hover {
  border-color: rgba(255, 59, 78, 0.5);
  color: var(--text);
}
.pagination .cur {
  background: var(--grad-hot);
  color: #fff;
  border-color: transparent;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-card {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .nav-links,
  .nav-search {
    display: none;
  }
  .burger {
    display: grid;
  }
  .nav-inner {
    gap: 12px;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .exclusive {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 40px 0;
  }
  .rank-item {
    grid-template-columns: 40px 1fr;
  }
  .rank-right {
    grid-column: 2;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
  }
  .field-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }
  .hero-stats .stat-box:last-child {
    grid-column: span 2;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .logo small {
    display: none;
  }
  .btn-submit-nav {
    display: none;
  }
}