/* ===== Breezy Weather 中文站 · 共享样式 ===== */
:root{
  --sky:#4a90d9; --sky-deep:#2f6fb3; --aqua:#7ec8e3; --sun:#ff9a3c;
  --ink:#1f2d3d; --muted:#5b6b7b; --line:#e3edf5; --bg:#f7fbff; --card:#ffffff;
  --green:#27ae60; --red:#e74c3c; --radius:16px; --max:1080px;
  --shadow:0 6px 24px rgba(47,111,179,.10);
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;touch-action:manipulation;scroll-padding-top:72px}
*{-webkit-tap-highlight-color:transparent}
/* 无障碍：用户开启“减少动态效果”时关闭平滑滚动 */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{scroll-behavior:auto !important}
}
body{
  margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--sky-deep);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.35;color:var(--ink);scroll-margin-top:72px;word-break:keep-all;overflow-wrap:break-word}
.container{max-width:var(--max);margin:0 auto;padding:0 18px}
.text-center{text-align:center}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:60px;gap:12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:18px;white-space:nowrap}
.brand:hover{text-decoration:none}
.brand .logo{width:34px;height:34px;flex:0 0 auto}
.nav-links{display:flex;gap:6px;align-items:center;overflow-x:auto}
.nav-links a{padding:8px 12px;border-radius:10px;color:var(--muted);font-weight:600;font-size:15px;white-space:nowrap}
.nav-links a:hover{background:var(--bg);text-decoration:none;color:var(--sky-deep)}
.nav-links a.active{color:var(--sky-deep);background:#eaf3fc}
.nav-toggle{display:none}

/* Hero */
.hero{
  background:linear-gradient(135deg,#4a90d9 0%,#7ec8e3 100%);color:#fff;
  padding:64px 0 72px;position:relative;overflow:hidden;
}
.hero::after{content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.14)}
.hero-inner{position:relative;z-index:2;max-width:720px}
.hero h1{font-size:clamp(28px,5vw,44px);margin:0 0 14px;color:#fff;font-weight:900}
.hero p{font-size:clamp(16px,2.4vw,19px);margin:0 0 26px;opacity:.96}
.hero .badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.badge{background:rgba(255,255,255,.95);border:1px solid rgba(255,255,255,.85);color:var(--sky-deep);padding:6px 14px;border-radius:999px;font-size:14px;font-weight:600}
.btn{display:inline-block;padding:13px 26px;border-radius:12px;font-weight:800;font-size:16px;border:none;cursor:pointer}
.btn-primary{background:var(--sun);color:#fff;box-shadow:0 8px 22px rgba(255,154,60,.4)}
.btn-primary:hover{text-decoration:none;filter:brightness(1.05)}
.btn-ghost{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.5)}
.btn-ghost:hover{text-decoration:none;background:rgba(255,255,255,.28)}

/* 区块 */
section{padding:54px 0}
.section-title{font-size:clamp(22px,3.4vw,30px);margin:0 0 8px;font-weight:900}
.section-sub{color:var(--muted);margin:0 0 30px;font-size:16px}
.section-head{text-align:center;margin-bottom:34px}

/* 卡片网格 */
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.card h3{margin:0 0 10px;font-size:19px}
.card p{margin:0;color:var(--muted);font-size:15px}
.feature-icon{width:46px;height:46px;margin-bottom:14px}

/* 列表型内容页 */
.page{max-width:820px;margin:0 auto;padding:40px 18px 60px;overflow-wrap:break-word;word-break:break-word}
.page h1{font-size:clamp(26px,4vw,36px);margin:0 0 6px}
.page .meta{color:var(--muted);font-size:14px;margin-bottom:26px}
.page h2{font-size:24px;margin:38px 0 12px;padding-bottom:8px;border-bottom:2px solid var(--line)}
.page h3{font-size:19px;margin:26px 0 8px}
.page p,.page li{color:#33414f}
.page ul,.page ol{padding-left:22px}
.page li{margin:8px 0}
.page blockquote{background:#eaf3fc;border-left:4px solid var(--sky);margin:18px 0;padding:12px 18px;border-radius:0 10px 10px 0;color:#2f4a63}
code{font-size:14px;overflow-wrap:anywhere;word-break:break-word}
.page code{background:#eef3f8;padding:2px 6px;border-radius:6px;color:#b3431a}
/* 首页正文段落（单页集权：加厚正文、提升关键词密度） */
.prose{max-width:820px;margin:0 auto;font-size:16px;line-height:1.9;color:#33414f}
.prose p{margin:0 0 18px}
.prose p:last-child{margin-bottom:0}
.prose strong{color:var(--ink)}
.prose a{color:var(--sky-deep);text-decoration:underline}
.toc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin:22px 0}
/* 目录改为原生 details：移动端默认收起，避免长目录把正文顶到首屏之外（R22） */
details.toc > summary{display:block;cursor:pointer;font-weight:700;color:var(--ink);margin-bottom:8px;padding:8px 0;min-height:40px;line-height:1.5;list-style:none;-webkit-tap-highlight-color:transparent}
details.toc > summary::-webkit-details-marker{display:none}
details.toc > summary::after{content:'▸';float:right;color:var(--sky-deep);font-weight:400}
details.toc[open] > summary::after{content:'▾'}
details.toc:not([open]) > summary{margin-bottom:0}
.toc a{display:block;padding:9px 0;color:var(--muted);line-height:1.6}

/* 面包屑 */
.crumbs{font-size:13px;color:var(--muted);margin:0 0 16px;padding:0;line-height:1.6}
.crumbs a{color:var(--sky-deep);text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.crumbs .sep{margin:0 8px;color:#b9c4d0}
.crumbs .cur{color:var(--ink);font-weight:600}

/* 下载页特殊块 */
.dl-card{border:2px solid var(--sky);background:#fff}
.netdisk-box{max-width:420px;width:100%;margin:24px auto 0;aspect-ratio:1/1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:10px;overflow:hidden;padding:24px}
.netdisk-box p{text-align:center}
.dl-step{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px dashed var(--line)}
.dl-step:last-child{border-bottom:none}
.dl-step .num{flex:0 0 32px;width:32px;height:32px;border-radius:50%;background:var(--sky);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.note{background:#fff7ec;border:1px solid #ffe0a8;border-radius:12px;padding:14px 18px;color:#7a5a17;font-size:15px}
.warn{background:#fdecea;border:1px solid #f5c6c0;color:#922;padding:14px 18px;border-radius:12px}

/* 表格 */
.table-wrap{margin:18px 0}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:14px;background:#fff}
table caption{caption-side:top;text-align:left;font-size:13px;color:var(--muted);padding:0 0 8px;line-height:1.6}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left}
th{background:#eaf3fc;font-weight:700;white-space:nowrap}
@media(max-width:620px){
  th{white-space:nowrap}
}
td.yes{color:var(--green);font-weight:700}
td.no{color:var(--red)}

/* 文章卡片 */
.post{display:flex;gap:16px;padding:18px;border:1px solid var(--line);border-radius:14px;background:#fff;align-items:flex-start}
.post .thumb{flex:0 0 92px;width:92px;height:92px;border-radius:12px;background:linear-gradient(135deg,#7ec8e3,#4a90d9);display:flex;align-items:center;justify-content:center}
.post h3{margin:0 0 6px;font-size:18px}
.post p{margin:0;color:var(--muted);font-size:14px}
.post .cat{font-size:13px;color:var(--sky-deep);font-weight:700}

/* 页脚 */
.site-footer{background:#16344f;color:#cdddec;padding:40px 0 28px;margin-top:20px}
.site-footer a{color:#9fd0f5}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
.site-footer h4{color:#fff;margin:0 0 12px;font-size:15px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:7px 0;font-size:14px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:26px;padding-top:16px;font-size:13px;color:#8fb0c9;text-align:center}
.disclaimer{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:12px 16px;font-size:13px;color:#bcd4e8;margin-top:18px}

/* 响应式 */
@media(max-width:860px){
  .grid-3{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){
  .grid-3,.grid-2{grid-template-columns:1fr}
  .card{padding:20px}
  .foot-grid{grid-template-columns:1fr}
  .nav-links{position:absolute;top:60px;left:0;right:0;background:#fff;flex-direction:column;padding:10px 18px;border-bottom:1px solid var(--line);display:none;box-shadow:0 12px 24px rgba(47,111,179,.12);max-height:calc(100dvh - 60px);overflow-y:auto;overflow-x:hidden}
  .nav-links.open{display:flex}
  .nav-toggle{display:block;background:none;border:1px solid var(--line);border-radius:8px;padding:9px 14px;font-size:20px;cursor:pointer;min-height:40px}
  /* 新品牌文案「breezy weather中文网」较原英文更长，移动端缩字号避免与汉堡按钮挤撞溢出 */
  .brand{font-size:15px}
  .post{flex-direction:column}
  .post .thumb{flex:0 0 auto;width:100%;height:120px}
  .nav-links a{padding:13px 14px;font-size:16px}
  /* 移动端页脚/面包屑链接点击区加高到 ≥40px，避免难点中（前序轮次 tap-target 审计的盲区） */
  .site-footer a{display:block;padding:9px 0}
  .crumbs{font-size:14px}
  .crumbs a{display:inline-block;padding:10px 4px}
  .netdisk-box{aspect-ratio:auto;min-height:0;padding:28px 18px;gap:12px}
  section{padding:38px 0}
  .hero{padding:46px 0 52px}
  .netdisk-box p a{word-break:break-all;overflow-wrap:anywhere}
  .btn{display:block;width:100%;text-align:center;margin:10px 0 0 !important}
  .btn + .btn{margin-top:10px}
  .table-wrap::before{content:'← 左右滑动查看完整表格 →';display:block;text-align:center;font-size:12px;color:#5b6b7b;margin-bottom:8px}
}

/* 触屏设备禁用 hover 态，避免点击后样式卡死 */
@media(hover:none){
  a:hover,.brand:hover,.crumbs a:hover{text-decoration:none}
  .nav-links a:hover{background:none;color:var(--muted);text-decoration:none}
  .btn-primary:hover{filter:none}
  .btn-ghost:hover{background:rgba(255,255,255,.16)}
  /* 触屏无 hover，补一个按下反馈，避免点按“没反应” */
  .btn:active{filter:brightness(.95)}
  .nav-toggle:active{background:#eef3f8}
}

/* 不支持毛玻璃的设备回退为纯白吸顶背景，保证可读性 */
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .site-header{background:#fff}
}

/* 横屏矮视口：压缩吸顶头与 hero/区块留白，避免内容被挤到一屏之外（R20） */
@media (max-height:480px) and (orientation:landscape){
  .nav{height:46px}
  .nav-links{top:46px;max-height:calc(100dvh - 46px)}
  .hero{padding:30px 0 34px}
  section{padding:26px 0}
  .page{padding:26px 18px 40px}
}

/* 键盘 / 辅助功能焦点态：清晰可见且不破坏移动端布局（R20） */
:focus-visible{outline:2px solid var(--sky);outline-offset:2px;border-radius:6px}
.btn:focus-visible{outline-offset:3px}