:root {
  --blue: #1a3a6e;
  --blue-light: #2b5ea7;
  --blue-dark: #0d1f3c;
  --orange: #f58420;
  --orange-light: #ffa64d;
  --orange-dark: #e07400;
  --bg: #f5f7fb;
  --white: #ffffff;
  --gray: #666;
  --gray-2: #999;
  --gray-light: #e8ecf4;
  --card-shadow: 0 2px 16px rgba(0,0,0,0.06);
  --card-hover: 0 8px 32px rgba(26,58,110,0.14);
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family: -apple-system,"PingFang SC","Microsoft YaHei",sans-serif; color: var(--blue); background: var(--bg); line-height: 1.6; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.fade-up { opacity:0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity:1; transform: translateY(0); }

/* NAV */
#main-nav { background: var(--white); box-shadow: 0 2px 12px rgba(0,0,0,0.08); position: sticky; top: 0; z-index: 200; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 58px; }
.nav-logo { display: flex; align-items: center; gap: 10px; }
.logo-mark { width: 36px; height: 36px; background: linear-gradient(135deg, var(--blue), var(--blue-light)); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 14px; font-weight: 900; }
.logo-name { font-size: 18px; font-weight: 800; color: var(--blue); }
.logo-name span { color: var(--orange); }
.nav-search { flex: 1; max-width: 360px; margin: 0 24px; position: relative; }
.nav-search input { width: 100%; height: 36px; border: 1.5px solid var(--gray-light); border-radius: 20px; padding: 0 40px 0 16px; font-size: 13px; background: var(--bg); }
.nav-search input:focus { border-color: var(--blue-light); background: #fff; }
.nav-search .search-btn { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); background: none; border: none; color: var(--gray-2); }
.nav-links { display: flex; align-items: center; gap: 20px; }
.nav-links a { font-size: 13px; font-weight: 500; color: var(--blue); }
.nav-links a:hover { color: var(--orange); }
.nav-cs { display: flex; align-items: center; gap: 6px; background: var(--orange); color: #fff; padding: 7px 16px; border-radius: 20px; font-size: 13px; font-weight: 600; border: none; cursor: pointer; font-family: inherit; }
.nav-cs:hover { background: var(--orange-dark); }

/* SUB NAV (分类切换) */
.sub-nav { background: #fff; border-bottom: 1px solid var(--gray-light); padding: 10px 0; }
.sub-nav-inner { display: flex; gap: 8px; overflow-x: auto; }
.sub-nav a { padding: 8px 18px; font-size: 14px; font-weight: 600; color: var(--gray); white-space: nowrap; border-radius: 20px; transition: background 0.2s, color 0.2s, border-color 0.2s; }
.sub-nav a:hover { background: var(--bg); color: var(--blue); }
.sub-nav a.active { background: var(--blue); color: #fff; }

/* HERO */
.channel-hero { padding: 48px 0 32px; background: linear-gradient(135deg, var(--blue) 0%, var(--blue-light) 100%); color: #fff; }
.channel-hero .ch-emoji { font-size: 56px; margin-bottom: 12px; }
.channel-hero h1 { font-size: 32px; font-weight: 800; margin-bottom: 10px; }
.channel-hero p { font-size: 15px; opacity: 0.85; max-width: 720px; }
.channel-hero .ch-stats { display: flex; gap: 28px; margin-top: 22px; flex-wrap: wrap; }
.channel-hero .ch-stat-val { font-size: 24px; font-weight: 800; color: var(--orange-light); }
.channel-hero .ch-stat-label { font-size: 12px; opacity: 0.7; }

/* SECTION */
section { padding: 40px 0; }
.section-hd { margin-bottom: 24px; display: flex; justify-content: space-between; align-items: flex-end; }
.section-hd h2 { font-size: 22px; font-weight: 800; color: var(--blue); }
.section-hd p { color: var(--gray); font-size: 13px; margin-top: 4px; }
.section-hd a { color: var(--orange); font-size: 13px; font-weight: 600; white-space: nowrap; }

/* FILTERS */
.filters { background: #fff; border-radius: 14px; padding: 18px 20px; box-shadow: var(--card-shadow); margin-bottom: 24px; }
.filter-row { display: flex; gap: 8px; align-items: center; margin-bottom: 10px; flex-wrap: wrap; }
.filter-row:last-child { margin-bottom: 0; }
.filter-label { font-size: 12px; font-weight: 700; color: var(--gray); min-width: 50px; }
.filter-chip { font-size: 12px; padding: 5px 12px; border-radius: 16px; background: var(--bg); color: var(--blue); cursor: pointer; transition: background 0.2s, color 0.2s, border-color 0.2s; border: 1px solid transparent; }
.filter-chip:hover { border-color: var(--orange); }
.filter-chip.active { background: var(--blue); color: #fff; }

/* RANK LIST */
.rank-grid { display: grid; grid-template-columns: 1fr; gap: 10px; }
.rank-item { display: flex; align-items: center; gap: 14px; background: #fff; border-radius: 12px; padding: 12px 16px; box-shadow: var(--card-shadow); border: 1px solid var(--gray-light); }
.rank-num { font-size: 22px; font-weight: 900; color: var(--gray-2); min-width: 30px; text-align: center; }
.rank-item.top1 .rank-num { color: #ef4444; }
.rank-item.top2 .rank-num { color: #f59e0b; }
.rank-item.top3 .rank-num { color: #eab308; }
.rank-thumb { width: 60px; height: 60px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 28px; flex-shrink: 0; }
.rank-info { flex: 1; min-width: 0; }
.rank-info .ri-name { font-size: 14px; font-weight: 700; color: var(--blue); margin-bottom: 2px; }
.rank-info .ri-meta { font-size: 12px; color: var(--gray); }
.rank-info .ri-meta .ri-score { color: #f59e0b; font-weight: 600; }
.rank-info .ri-meta .ri-flow { color: var(--orange); font-weight: 600; }
.rank-cta { font-size: 12px; background: var(--orange); color: #fff; padding: 6px 14px; border-radius: 16px; font-weight: 600; white-space: nowrap; }
.rank-cta:hover { background: var(--orange-dark); }
.rank-cta[href^="tel:"] { background: #dc2626; animation: pulse-cta 2s infinite; }
.rank-cta[href^="tel:"]:hover { background: #b91c1c; }
@keyframes pulse-cta { 0%,100%{ box-shadow: 0 0 0 0 rgba(220,38,38,0.4); } 50%{ box-shadow: 0 0 0 8px rgba(220,38,38,0); } }

.lc-cta[href^="tel:"] { background: #dc2626 !important; animation: pulse-cta 2s infinite; }
.lc-cta[href^="tel:"]:hover { background: #b91c1c !important; }

/* CARD GRID */
.list-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.list-card { background: #fff; border-radius: 14px; overflow: hidden; box-shadow: var(--card-shadow); border: 1px solid var(--gray-light); transition: transform 0.2s, box-shadow 0.2s; }
.list-card:hover { transform: translateY(-3px); box-shadow: var(--card-hover); }
.lc-img { height: 150px; display: flex; align-items: center; justify-content: center; font-size: 48px; position: relative; }
.lc-badge { position: absolute; top: 10px; left: 10px; background: rgba(0,0,0,0.6); color: #fff; font-size: 10px; font-weight: 600; padding: 2px 8px; border-radius: 5px; }
.lc-tag { position: absolute; top: 10px; right: 10px; background: var(--orange); color: #fff; font-size: 10px; font-weight: 700; padding: 2px 8px; border-radius: 5px; }
.lc-body { padding: 14px; }
.lc-name { font-size: 14px; font-weight: 700; color: var(--blue); margin-bottom: 4px; }
.lc-desc { font-size: 12px; color: var(--gray); margin-bottom: 8px; min-height: 32px; }
.lc-meta { display: flex; justify-content: space-between; align-items: center; font-size: 12px; }
.lc-score { color: #f59e0b; font-weight: 600; }
.lc-price { color: var(--orange); font-weight: 700; font-size: 15px; }
.lc-cta { display: block; text-align: center; background: var(--blue); color: #fff; border-radius: 8px; padding: 8px 0; font-size: 13px; font-weight: 600; margin-top: 10px; }
.lc-cta:hover { background: var(--blue-light); }

/* TOOL BLOCK */
.tool-block { background: #fff; border-radius: 14px; padding: 20px; box-shadow: var(--card-shadow); }
.tool-block-hd { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.tool-block-hd h3 { font-size: 16px; font-weight: 700; color: var(--blue); }

/* SEO */
.seo-content { background: #fff; border-radius: 14px; padding: 24px; box-shadow: var(--card-shadow); }
.seo-content h3 { font-size: 16px; font-weight: 700; color: var(--blue); margin-bottom: 10px; }
.seo-content p { color: var(--gray); font-size: 14px; line-height: 1.8; margin-bottom: 10px; }

/* FOOTER */
footer { background: var(--blue-dark); color: rgba(255,255,255,0.55); font-size: 13px; padding: 32px 0 18px; margin-top: 40px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
footer a { color: rgba(255,255,255,0.5); }
footer a:hover { color: var(--orange-light); }

/* TOOL CARDS */
.tool-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.mini-card { background: var(--bg); border-radius: 10px; padding: 14px; text-align: center; }
.mini-card .mc-icon { font-size: 24px; margin-bottom: 6px; }
.mini-card .mc-label { font-size: 12px; color: var(--gray); }
.mini-card .mc-value { font-size: 18px; font-weight: 800; color: var(--blue); }

/* TRANSPORT specific */
.bus-row { display: flex; align-items: center; gap: 12px; padding: 10px 12px; background: var(--bg); border-radius: 10px; margin-bottom: 8px; }
.bus-no { font-size: 18px; font-weight: 900; color: var(--blue); min-width: 40px; }
.bus-arrow { color: var(--gray-2); }
.bus-dest { flex: 1; font-size: 12px; color: var(--gray); }
.bus-time { font-size: 13px; font-weight: 700; color: #16a34a; white-space: nowrap; }

/* MOBILE */
@media (max-width: 900px) {
  .nav-search { max-width: 200px; }
  .nav-links { display: none; }
  .list-grid { grid-template-columns: repeat(2, 1fr); }
  .tool-grid { grid-template-columns: repeat(2, 1fr); }
  .channel-hero h1 { font-size: 24px; }
}
@media (max-width: 560px) {
  .nav-search { display: none; }
  .list-grid { grid-template-columns: 1fr; }
  .tool-grid { grid-template-columns: repeat(2, 1fr); }
  .section-hd { flex-direction: column; align-items: flex-start; }
}

/* TOAST */
.toast { position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--blue); color: #fff; padding: 12px 24px; border-radius: 12px; font-size: 14px; font-weight: 600; box-shadow: 0 8px 32px rgba(0,0,0,0.25); z-index: 9999; opacity: 0; transition: opacity 0.3s, transform 0.3s; pointer-events: none; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.skip-link{position:absolute;top:-100%;left:16px;background:var(--orange);color:#fff;padding:8px 16px;border-radius:8px;font-size:14px;font-weight:600;z-index:9999;transition:top 0.2s;}.skip-link:focus{top:8px;}
@media(prefers-reduced-motion:reduce){.fade-up{transition:none;opacity:1;transform:none;}*{transition-duration:0.01ms!important;animation-duration:0.01ms!important;}}
:focus-visible{outline:2px solid var(--blue-light);outline-offset:2px;border-radius:4px;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--blue-light);outline-offset:2px;}

/* 追加响应式断点 */
@media(max-width:768px){.list-grid{grid-template-columns:repeat(2,1fr);}.tool-grid{grid-template-columns:repeat(2,1fr);}.channel-hero h1{font-size:24px;}.nav-search{max-width:200px;}.nav-links{display:none;}}
@media(max-width:393px){.list-grid{grid-template-columns:1fr;}.tool-grid{grid-template-columns:1fr;}.channel-hero h1{font-size:20px;}.channel-hero .ch-emoji{font-size:40px;}.nav-search{display:none;}.section-hd{flex-direction:column;align-items:flex-start;}}