/* ==========================================================================
   CodePlan 聚合站 - 全局样式
   风格:科技酷黑 + 紫蓝渐变(沿用 style/ai_coding_plans.html)
   核心改造:档位列表纵向 → 横向滑动(scroll-snap)
   ========================================================================== */

:root {
  /* 背景层级 */
  --bg: #050508;
  --bg-elevated: #0c0c12;
  --bg-card: #12121a;
  --bg-card-hover: #181825;

  /* 边框 */
  --border: #1e1e2e;
  --border-hover: #2a2a3e;

  /* 文字 */
  --text-primary: #f0f0f5;
  --text-secondary: #9a9ab0;
  --text-muted: #5a5a70;

  /* 主色:紫蓝渐变 */
  --accent: #7c3aed;
  --accent-glow: rgba(124, 58, 237, 0.2);
  --accent-secondary: #ec4899;

  /* 功能色 */
  --green: #10b981;
  --green-dim: rgba(16, 185, 129, 0.12);
  --green-glow: rgba(16, 185, 129, 0.3);
  --red: #f43f5e;
  --red-dim: rgba(244, 63, 94, 0.12);
  --yellow: #f59e0b;
  --yellow-dim: rgba(245, 158, 11, 0.12);
  --cyan: #06b6d4;
  --cyan-dim: rgba(6, 182, 212, 0.12);
  --orange: #f97316;
  --orange-dim: rgba(249, 115, 22, 0.12);
  --pink: #ec4899;
  --pink-dim: rgba(236, 72, 153, 0.12);
  --blue: #3b82f6;
  --blue-dim: rgba(59, 130, 246, 0.12);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ======================== 背景动效层 ======================== */

.bg-grid {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 0; opacity: 0.4;
  background-image:
    linear-gradient(rgba(124, 58, 237, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 58, 237, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
}
.bg-grid::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(124, 58, 237, 0.15) 0%, transparent 60%);
}

.orb {
  position: fixed; border-radius: 50%; filter: blur(80px);
  pointer-events: none; z-index: 0; opacity: 0.6;
  animation: orbFloat 15s ease-in-out infinite;
}
.orb-1 { width: 400px; height: 400px; background: radial-gradient(circle, rgba(124, 58, 237, 0.3), transparent 70%); top: -100px; right: -100px; animation-delay: 0s; }
.orb-2 { width: 300px; height: 300px; background: radial-gradient(circle, rgba(236, 72, 153, 0.25), transparent 70%); bottom: -50px; left: -50px; animation-delay: -5s; }
.orb-3 { width: 250px; height: 250px; background: radial-gradient(circle, rgba(6, 182, 212, 0.2), transparent 70%); top: 50%; left: 50%; animation-delay: -10s; }
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.particles { position: fixed; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 1; overflow: hidden; }
.particle { position: absolute; width: 2px; height: 2px; background: var(--accent); border-radius: 50%; opacity: 0; animation: particleFloat 8s infinite ease-in-out; }
@keyframes particleFloat {
  0% { opacity: 0; transform: translateY(100vh) scale(0); }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { opacity: 0; transform: translateY(-10vh) scale(1); }
}

.scanline {
  position: fixed; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(124, 58, 237, 0.5), transparent);
  pointer-events: none; z-index: 999; animation: scan 8s linear infinite; opacity: 0.3;
}
@keyframes scan { 0% { top: -10%; } 100% { top: 110%; } }

.typewriter::after { content: '|'; animation: blink 1s step-end infinite; color: var(--accent); }
@keyframes blink { 50% { opacity: 0; } }

.pulse-ring { position: absolute; width: 100%; height: 100%; border: 1px solid var(--accent); border-radius: 20px; opacity: 0; animation: pulseRing 3s ease-out infinite; pointer-events: none; }
@keyframes pulseRing { 0% { transform: scale(1); opacity: 0.5; } 100% { transform: scale(1.05); opacity: 0; } }

.floating-emoji { position: fixed; font-size: 1.5rem; pointer-events: none; z-index: 0; opacity: 0.3; animation: emojiFloat 20s infinite ease-in-out; }
@keyframes emojiFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(20px, -30px) rotate(10deg); }
  50% { transform: translate(-10px, 20px) rotate(-5deg); }
  75% { transform: translate(15px, -10px) rotate(5deg); }
}

/* ======================== 导航栏 ======================== */

.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(5, 5, 8, 0.85); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border); padding: 0 2rem;
}
.navbar-inner { max-width: 1400px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 1.5rem; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.2rem; color: var(--text-primary); text-decoration: none; }
.logo-icon { width: 32px; height: 32px; background: linear-gradient(135deg, var(--accent), var(--accent-secondary)); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-family: 'JetBrains Mono', monospace; font-size: 14px; font-weight: 600; box-shadow: 0 0 20px rgba(124, 58, 237, 0.4); }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a { color: var(--text-secondary); text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: color 0.2s; position: relative; }
.nav-links a:hover { color: var(--text-primary); }
.nav-links a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: linear-gradient(90deg, var(--accent), var(--accent-secondary)); transition: width 0.3s; }
.nav-links a:hover::after { width: 100%; }

/* 搜索框 */
.search-box { position: relative; flex: 0 0 280px; }
.search-box input {
  width: 100%; padding: 9px 14px 9px 38px; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: 10px; color: var(--text-primary);
  font-size: 0.85rem; font-family: inherit; transition: all 0.3s;
}
.search-box input::placeholder { color: var(--text-muted); }
.search-box input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.search-box .search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 0.9rem; }

/* ======================== Hero 区 ======================== */

.hero { position: relative; z-index: 2; padding: 76px 2rem 30px; text-align: center; max-width: 900px; margin: 0 auto; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; background: var(--accent-glow); border: 1px solid rgba(124, 58, 237, 0.4); border-radius: 100px; font-size: 0.8rem; color: var(--accent); font-weight: 500; margin-bottom: 12px; backdrop-filter: blur(10px); }
.hero-badge .dot { width: 8px; height: 8px; background: var(--green); border-radius: 50%; animation: pulseDot 2s infinite; box-shadow: 0 0 10px var(--green-glow); }
@keyframes pulseDot { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(0.6); opacity: 0.5; } }
.hero h1 { font-size: 2.6rem; font-weight: 800; line-height: 1.15; margin-bottom: 10px; background: linear-gradient(135deg, #fff 0%, #c4b5fd 50%, #f0abfc 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; letter-spacing: -0.02em; }
.hero p { font-size: 1rem; color: var(--text-secondary); max-width: 560px; margin: 0 auto 20px; line-height: 1.6; }
.hero-stats { display: flex; justify-content: center; gap: 2.5rem; margin-top: 16px; flex-wrap: wrap; }
.stat-item { text-align: center; position: relative; }
.stat-item::after { content: ''; position: absolute; right: -1.5rem; top: 50%; transform: translateY(-50%); width: 1px; height: 30px; background: var(--border); }
.stat-item:last-child::after { display: none; }
.stat-value { font-size: 1.7rem; font-weight: 700; color: var(--text-primary); font-family: 'JetBrains Mono', monospace; background: linear-gradient(135deg, #fff, #c4b5fd); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 6px; }

/* ======================== 筛选栏 ======================== */

.filter-bar { position: relative; z-index: 2; max-width: 1400px; margin: 0 auto 24px; padding: 0 2rem; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.filter-label { color: var(--text-muted); font-size: 0.85rem; font-weight: 500; margin-right: 8px; }
.filter-btn { padding: 10px 20px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; color: var(--text-secondary); font-size: 0.85rem; font-weight: 500; cursor: pointer; transition: all 0.3s; font-family: inherit; position: relative; overflow: hidden; }
.filter-btn::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(124, 58, 237, 0.1), transparent); transition: left 0.5s; }
.filter-btn:hover::before { left: 100%; }
.filter-btn:hover, .filter-btn.active { background: var(--accent-glow); border-color: var(--accent); color: var(--accent); box-shadow: 0 0 20px rgba(124, 58, 237, 0.15); }

/* 视图切换按钮组(卡片/表格) */
.view-toggle { display: inline-flex; gap: 4px; margin-left: auto; background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 3px; flex-shrink: 0; }
.view-btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; background: transparent; border: none; border-radius: 8px; color: var(--text-muted); font-size: 0.82rem; font-weight: 500; cursor: pointer; transition: all 0.25s; font-family: inherit; }
.view-btn:hover { color: var(--text-secondary); }
.view-btn.active { background: var(--accent-glow); color: var(--accent); box-shadow: 0 0 12px rgba(124, 58, 237, 0.15); }
.view-btn svg { flex-shrink: 0; }

/* ======================== 卡片网格 ======================== */

.cards-grid { position: relative; z-index: 2; max-width: 1400px; margin: 0 auto; padding: 0 2rem 80px; display: grid; grid-template-columns: repeat(auto-fill, minmax(375px, 1fr)); gap: 16px; align-items: stretch; }

.tool-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 20px; transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); position: relative; overflow: hidden; display: flex; flex-direction: column; backdrop-filter: blur(10px); }
.tool-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--accent), var(--accent-secondary), var(--cyan)); opacity: 0; transition: opacity 0.4s; }
.tool-card:hover { border-color: var(--border-hover); transform: translateY(-6px); box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4), 0 0 30px rgba(124, 58, 237, 0.1); }
.tool-card:hover::before { opacity: 1; }
.tool-card .pulse-ring { display: none; }
.tool-card:hover .pulse-ring { display: block; }

.card-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 16px; gap: 10px; }
.card-title-group { display: flex; align-items: center; gap: 14px; min-width: 0; }
.card-icon { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 0.95rem; font-weight: 700; flex-shrink: 0; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3); }
.card-name { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); line-height: 1.2; }
.card-vendor { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }
.card-tag { padding: 4px 12px; border-radius: 8px; font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; flex-shrink: 0; white-space: nowrap; }
.tag-free { background: var(--green-dim); color: var(--green); border: 1px solid rgba(16, 185, 129, 0.2); }
.tag-paid { background: var(--yellow-dim); color: var(--yellow); border: 1px solid rgba(245, 158, 11, 0.2); }
.tag-enterprise { background: var(--cyan-dim); color: var(--cyan); border: 1px solid rgba(6, 182, 212, 0.2); }
.tag-usage { background: var(--orange-dim); color: var(--orange); border: 1px solid rgba(249, 115, 22, 0.2); }
.tag-hot { background: var(--pink-dim); color: var(--pink); border: 1px solid rgba(236, 72, 153, 0.2); }

/* ======================== 档位区(横向滑动,单档位特性 6 行截断)======================== */

.plans-section { margin-bottom: 14px; }
.plans-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.plans-title { font-size: 0.72rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; display: flex; align-items: center; gap: 6px; }
.plans-title::before { content: ''; width: 3px; height: 12px; border-radius: 2px; background: var(--accent); }
.plans-nav { display: flex; gap: 6px; }
.plans-nav-btn { width: 26px; height: 26px; border-radius: 7px; background: var(--bg-elevated); border: 1px solid var(--border); color: var(--text-secondary); cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 0.85rem; transition: all 0.2s; line-height: 1; }
.plans-nav-btn:hover { background: var(--accent-glow); border-color: var(--accent); color: var(--accent); }
.plans-nav-btn:disabled { opacity: 0.3; cursor: not-allowed; }

.plans-scroll { display: flex; gap: 10px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; padding: 4px 2px 8px; scrollbar-width: thin; scrollbar-color: var(--border-hover) transparent; }
.plans-scroll::-webkit-scrollbar { height: 5px; }
.plans-scroll::-webkit-scrollbar-track { background: transparent; border-radius: 3px; }
.plans-scroll::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 3px; }
.plans-scroll::-webkit-scrollbar-thumb:hover { background: var(--accent); }

.plan-item { scroll-snap-align: start; flex: 0 0 175px; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 10px; padding: 12px; transition: all 0.25s; display: flex; flex-direction: column; cursor: pointer; }
.plan-item:hover, .plan-item:focus-visible { border-color: var(--accent); background: rgba(124, 58, 237, 0.05); transform: translateY(-2px); outline: none; }
.plan-item.is-hot-pkg { border-color: rgba(245, 158, 11, 0.3); }
.plan-item.is-sale-pkg { border-color: rgba(16, 185, 129, 0.3); }
.plan-top { display: flex; flex-direction: column; gap: 5px; margin-bottom: 8px; }
.plan-name { font-size: 0.88rem; color: var(--text-primary); font-weight: 600; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.plan-name .pkg-hot { font-size: 0.6rem; padding: 1px 5px; border-radius: 4px; background: var(--yellow-dim); color: var(--yellow); font-weight: 600; }
.plan-price { font-family: 'JetBrains Mono', monospace; font-size: 1.15rem; font-weight: 700; color: var(--text-primary); display: flex; align-items: baseline; gap: 4px; }
.plan-price .unit { font-size: 0.7rem; color: var(--text-muted); font-weight: 400; }
.plan-price .free-label { color: var(--green); }
.plan-sale { font-size: 0.68rem; color: var(--green); font-weight: 500; padding: 2px 7px; background: var(--green-dim); border-radius: 4px; align-self: flex-start; }
/* 档位特性列表(最多 6 行 + ... 折叠提示) */
.plan-features { list-style: none; display: flex; flex-direction: column; gap: 4px; margin: 0; padding: 0; }
.plan-features li { font-size: 0.74rem; color: var(--text-secondary); line-height: 1.45; padding-left: 11px; position: relative; }
.plan-features li::before { content: ''; position: absolute; left: 0; top: 7px; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); }
/* ... 折叠提示行 */
.plan-features .plan-features-more { list-style: none; padding-left: 0; text-align: center; color: var(--text-muted); font-weight: 700; letter-spacing: 2px; margin-top: 2px; }
.plan-features .plan-features-more::before { display: none; }
.plan-sale { font-size: 0.7rem; color: var(--green); font-weight: 500; margin-bottom: 6px; padding: 2px 8px; background: var(--green-dim); border-radius: 4px; align-self: flex-start; }
.plan-features { list-style: none; display: flex; flex-direction: column; gap: 5px; }
.plan-features li { font-size: 0.76rem; color: var(--text-secondary); line-height: 1.5; padding-left: 12px; position: relative; }
.plan-features li::before { content: ''; position: absolute; left: 0; top: 7px; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); }

/* 单卡片购买按钮 */
.card-footer { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.buy-btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; background: linear-gradient(135deg, var(--accent), var(--accent-secondary)); border: none; border-radius: 12px; color: #fff; font-size: 0.9rem; font-weight: 700; cursor: pointer; transition: all 0.3s; text-decoration: none; box-shadow: 0 4px 20px rgba(124, 58, 237, 0.35); position: relative; overflow: hidden; letter-spacing: 0.5px; }
.buy-btn::after { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.25), transparent); transform: rotate(45deg); transition: left 0.6s; }
.buy-btn:hover::after { left: 100%; }
.buy-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(124, 58, 237, 0.5); }
.buy-btn:active { transform: translateY(0); }
.buy-btn .arrow { transition: transform 0.3s; }
.buy-btn:hover .arrow { transform: translateX(4px); }

.price-note { font-size: 0.75rem; color: var(--text-muted); }

/* ======================== 标签徽章区(模型/IDE 数量 + 平铺预览)======================== */

.tags-section { margin-bottom: 14px; }
.tags-group { display: flex; flex-direction: column; gap: 8px; }

/* 徽章 + 平铺预览的行容器 */
.badge-row { display: flex; flex-direction: column; gap: 6px; }

/* 平铺预览标签(前 3 个 + 折叠) */
.tags-preview { display: flex; flex-wrap: wrap; gap: 5px; align-items: center; }
.tag-item {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 9px; border-radius: 7px;
  font-size: 0.74rem; font-weight: 500;
  border: 1px solid var(--border); background: var(--bg-elevated);
  color: var(--text-secondary); transition: all 0.2s;
  max-width: 100%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.tag-item:hover { border-color: var(--border-hover); transform: translateY(-1px); }
.tag-item.model { border-color: rgba(124, 58, 237, 0.25); color: #c4b5fd; background: rgba(124, 58, 237, 0.08); }
.tag-item.ide { border-color: rgba(6, 182, 212, 0.25); color: #67e8f9; background: rgba(6, 182, 212, 0.08); }
.tag-item.is-hot-tag { border-color: rgba(245, 158, 11, 0.35); color: var(--yellow); }
/* +N 折叠标签(可 hover 看全部) */
.tag-item.tag-more { cursor: pointer; border-style: dashed; font-weight: 700; }
.tag-item.tag-more:hover { transform: translateY(-1px); }

/* 徽章(图标 + 数量,可 hover 看全部) */
.tag-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 9px;
  font-size: 0.78rem; font-weight: 600;
  cursor: pointer; transition: all 0.2s;
  border: 1px solid var(--border); background: var(--bg-elevated);
  color: var(--text-secondary);
  user-select: none; align-self: flex-start;
}
.tag-badge:hover, .tag-badge:focus-visible { transform: translateY(-1px); outline: none; }
.model-badge { border-color: rgba(124, 58, 237, 0.3); color: #c4b5fd; background: rgba(124, 58, 237, 0.08); }
.model-badge:hover, .model-badge:focus-visible { border-color: var(--accent); box-shadow: 0 0 12px rgba(124, 58, 237, 0.2); }
.ide-badge { border-color: rgba(6, 182, 212, 0.3); color: #67e8f9; background: rgba(6, 182, 212, 0.08); }
.ide-badge:hover, .ide-badge:focus-visible { border-color: var(--cyan); box-shadow: 0 0 12px rgba(6, 182, 212, 0.2); }
.badge-icon { font-size: 0.85rem; line-height: 1; }
.badge-label { opacity: 0.9; }
.badge-count {
  min-width: 20px; height: 18px; padding: 0 5px;
  border-radius: 5px; background: rgba(255, 255, 255, 0.1);
  display: inline-flex; align-items: center; justify-content: center;
  font-family: 'JetBrains Mono', monospace; font-size: 0.74rem; font-weight: 700;
}
.model-badge .badge-count { background: rgba(124, 58, 237, 0.2); color: #fff; }
.ide-badge .badge-count { background: rgba(6, 182, 212, 0.2); color: #fff; }
.badge-hot {
  font-size: 0.66rem; padding: 1px 5px; border-radius: 4px;
  background: rgba(245, 158, 11, 0.15); color: var(--yellow); font-weight: 600;
}

/* 徽章/折叠标签的 hover 浮层(显示全部模型/IDE) */
.tag-popover {
  position: absolute; z-index: 1000;
  max-width: 360px; min-width: 220px;
  padding: 14px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-hover);
  border-radius: 12px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(124, 58, 237, 0.15);
  backdrop-filter: blur(20px);
  opacity: 0; transform: translateY(-4px);
  transition: opacity 0.2s, transform 0.2s;
}
.tag-popover.show { opacity: 1; transform: translateY(0); }
.popover-header {
  font-size: 0.78rem; font-weight: 700; color: var(--text-primary);
  margin-bottom: 10px; padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.popover-list { display: flex; flex-wrap: wrap; gap: 6px; }
.popover-item {
  display: inline-flex; padding: 4px 10px; border-radius: 6px;
  font-size: 0.76rem; font-weight: 500; border: 1px solid var(--border);
  background: var(--bg-card); color: var(--text-secondary);
}
.popover-item.model { border-color: rgba(124, 58, 237, 0.25); color: #c4b5fd; background: rgba(124, 58, 237, 0.08); }
.popover-item.ide { border-color: rgba(6, 182, 212, 0.25); color: #67e8f9; background: rgba(6, 182, 212, 0.08); }

/* 档位浮层(卡片式列表)*/
.tag-popover[data-pkg] { max-width: 420px; }
.popover-pkg-list { display: flex; flex-direction: column; gap: 10px; max-height: 400px; overflow-y: auto; padding-right: 4px; }
.popover-pkg-list::-webkit-scrollbar { width: 5px; }
.popover-pkg-list::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 3px; }
.pkg-pop-item { padding: 10px 12px; border-radius: 9px; background: var(--bg-card); border: 1px solid var(--border); }
.pkg-pop-item.hot { border-color: rgba(245, 158, 11, 0.3); }
.pkg-pop-item.sale { border-color: rgba(16, 185, 129, 0.3); }
.pkg-pop-top { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; flex-wrap: wrap; }
.pkg-pop-name { font-size: 0.82rem; font-weight: 600; color: var(--text-primary); margin-right: auto; }
.pkg-pop-price { font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; }
.pkg-pop-hot { font-size: 0.62rem; padding: 1px 5px; border-radius: 4px; background: var(--yellow-dim); color: var(--yellow); font-weight: 600; }
.pkg-pop-sale { font-size: 0.62rem; padding: 1px 5px; border-radius: 4px; background: var(--green-dim); color: var(--green); font-weight: 600; }
.pkg-pop-features { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 3px; }
.pkg-pop-features li { font-size: 0.74rem; color: var(--text-secondary); line-height: 1.5; padding-left: 10px; position: relative; }
.pkg-pop-features li::before { content: ''; position: absolute; left: 0; top: 7px; width: 3px; height: 3px; border-radius: 50%; background: var(--accent); }

.verdict { margin-top: auto; padding: 12px 14px; background: var(--bg-elevated); border-radius: 10px; border-left: 3px solid var(--accent); position: relative; }
.verdict::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; border-radius: 10px; background: linear-gradient(135deg, rgba(124, 58, 237, 0.05), transparent); pointer-events: none; }
.verdict-label { font-size: 0.7rem; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.verdict-text { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; text-overflow: ellipsis; }

.recommended-badge { position: absolute; top: 12px; right: 12px; padding: 4px 10px; background: linear-gradient(135deg, var(--green), #059669); border-radius: 6px; font-size: 0.7rem; font-weight: 700; color: #fff; text-transform: uppercase; letter-spacing: 0.5px; box-shadow: 0 2px 10px rgba(16, 185, 129, 0.3); z-index: 3; }

/* ======================== 对比表 ======================== */

.comparison-section { position: relative; z-index: 2; max-width: 1400px; margin: 0 auto 80px; padding: 0 2rem; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 { font-size: 2.2rem; font-weight: 700; margin-bottom: 12px; background: linear-gradient(135deg, #fff, #c4b5fd); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.section-header p { color: var(--text-secondary); font-size: 1rem; }
.comparison-table-wrapper { overflow-x: auto; border: 1px solid var(--border); border-radius: 20px; background: var(--bg-card); backdrop-filter: blur(10px); }
.comparison-table { width: 100%; border-collapse: collapse; min-width: 900px; }
.comparison-table th { background: var(--bg-elevated); padding: 18px 20px; text-align: left; font-size: 0.85rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 1px solid var(--border); position: sticky; top: 0; }
.comparison-table td { padding: 16px 20px; border-bottom: 1px solid var(--border); font-size: 0.9rem; color: var(--text-secondary); }
.comparison-table tr:hover td { background: var(--bg-elevated); }
.comparison-table .tool-cell { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--text-primary); }
.comparison-table .tool-cell .mini-icon { width: 28px; height: 28px; border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: 700; flex-shrink: 0; }
.price-highlight { font-family: 'JetBrains Mono', monospace; font-weight: 600; color: var(--text-primary); }
.badge-small { display: inline-block; padding: 3px 10px; border-radius: 6px; font-size: 0.75rem; font-weight: 600; }

/* ======================== 选购指南 ======================== */

.guide-section { position: relative; z-index: 2; max-width: 1400px; margin: 0 auto 80px; padding: 0 2rem; }
.guide-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.guide-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 28px; transition: all 0.3s; position: relative; overflow: hidden; }
.guide-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--accent), var(--accent-secondary)); opacity: 0; transition: opacity 0.3s; }
.guide-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3); }
.guide-card:hover::before { opacity: 1; }
.guide-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; color: var(--text-primary); }
.guide-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }
.guide-card .recommendation { margin-top: 16px; padding: 12px 14px; background: var(--bg-elevated); border-radius: 10px; font-size: 0.85rem; border-left: 2px solid var(--accent); line-height: 1.8; }
.guide-card .recommendation strong { color: var(--accent); }

/* ======================== FAQ ======================== */

.faq-section { position: relative; z-index: 2; max-width: 900px; margin: 0 auto 80px; padding: 0 2rem; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; transition: border-color 0.3s; }
.faq-item:hover { border-color: var(--border-hover); }
.faq-item.open { border-color: rgba(124, 58, 237, 0.4); }
.faq-question { width: 100%; text-align: left; padding: 18px 22px; background: transparent; border: none; color: var(--text-primary); font-size: 1rem; font-weight: 600; font-family: inherit; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq-question .faq-icon { color: var(--accent); transition: transform 0.3s; font-size: 1.2rem; flex-shrink: 0; }
.faq-item.open .faq-question .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; padding: 0 22px; color: var(--text-secondary); font-size: 0.92rem; line-height: 1.8; }
.faq-item.open .faq-answer { padding: 0 22px 20px; max-height: 400px; }

/* ======================== Footer ======================== */

.footer { position: relative; z-index: 2; border-top: 1px solid var(--border); padding: 50px 2rem; text-align: center; color: var(--text-muted); font-size: 0.85rem; }
.footer a { color: var(--text-secondary); text-decoration: none; }
.footer a:hover { color: var(--accent); }
.footer .footer-links { display: flex; justify-content: center; gap: 1.5rem; margin-bottom: 16px; flex-wrap: wrap; }

/* ======================== 空状态 ======================== */

.empty-state { grid-column: 1 / -1; text-align: center; padding: 80px 20px; color: var(--text-muted); }
.empty-state .empty-icon { font-size: 3rem; margin-bottom: 16px; opacity: 0.5; }
.empty-state h3 { font-size: 1.2rem; color: var(--text-secondary); margin-bottom: 8px; }
.empty-state p { font-size: 0.9rem; }
.empty-state .reset-btn { margin-top: 20px; padding: 10px 24px; background: var(--accent-glow); border: 1px solid var(--accent); border-radius: 10px; color: var(--accent); cursor: pointer; font-family: inherit; font-weight: 600; transition: all 0.2s; }
.empty-state .reset-btn:hover { background: var(--accent); color: #fff; }

/* ======================== 工具类 ======================== */

.hidden { display: none !important; }

/* ======================== 响应式 ======================== */

@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 14px; }
  .tool-card { padding: 18px; }
}

@media (max-width: 768px) {
  .hero { padding: 80px 1rem 30px; }
  .hero h1 { font-size: 2rem; }
  .hero-stats { gap: 1.5rem; }
  .stat-item::after { display: none; }
  .cards-grid { grid-template-columns: 1fr; padding: 0 1rem 60px; gap: 16px; }
  .navbar-inner { padding: 0 1rem; gap: 0.5rem; }
  .nav-links { display: none; }
  .search-box { flex: 0 0 0; }
  .search-box input { width: 40px; padding: 9px; transition: width 0.3s; }
  .search-box input:focus { width: 180px; padding: 9px 14px 9px 38px; }
  .filter-bar { padding: 0 1rem; }
  .view-toggle { margin-left: 0; width: 100%; justify-content: center; }
  .comparison-section, .guide-section, .faq-section { padding: 0 1rem; }
  .tool-card { padding: 18px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.7rem; }
  .stat-value { font-size: 1.4rem; }
}

/* ======================== 滚动条 ======================== */

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* 可访问性:焦点可见 */
*:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* 尊重用户减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}