/* ═══════════════════════════════════════════════════════
   地球Online — 全球BUG数据通报 Stylesheet
   v2026.5 / rust palette · diqiuol dark theme
   ═══════════════════════════════════════════════════════ */

/* ── tokens ─────────────────────────────────────────── */
:root{
  --bg-0:#08080a;
  --bg-1:#0d0d10;
  --bg-2:#13131a;
  --bg-3:#1c1c25;
  --bg-4:#23232c;
  --line:rgba(232,230,225,.07);
  --line-2:rgba(232,230,225,.14);
  --line-3:rgba(232,230,225,.28);

  --ink-0:#e8e6e1;
  --ink-1:#a8a39a;
  --ink-2:#6c6760;
  --ink-3:#3e3a35;

  --rust:#9b3a2b;
  --rust-2:#b54836;
  --rust-3:#c95a44;
  --rust-deep:#7a2a1f;
  --rust-soft:rgba(155,58,43,.14);
  --rust-edge:rgba(155,58,43,.4);

  --amber:#c5832d;
  --amber-soft:rgba(197,131,45,.14);
  --green:#5a9b6a;
  --green-soft:rgba(90,155,106,.14);
  --blue:#4f6b8a;
  --mustard:#e0b833;

  --mag-2:#5a9b6a;
  --mag-3:#e0b833;
  --mag-4:#c5832d;
  --mag-5:#c95a44;
  --mag-6:#e23725;
  --mag-7:#9b3a2b;
  --mag-8:#4c1d95;

  /* iOS 色彩变量（供 JS 动态生成卡片使用） */
  --ios-red:#e23725;
  --ios-green:#5a9b6a;
  --ios-blue:#4f6b8a;
  --ios-orange:#c5832d;
  --ios-yellow:#e0b833;
  --ios-purple:#9b7bc8;
  --ios-blue-light:#5ac8fa;
  --ios-label-primary:#e8e6e1;
  --ios-label-secondary:#a8a39a;
  --ios-label-tertiary:#6c6760;
  --ios-space-xs:4px;
  --ios-space-sm:8px;
  --ios-space-md:16px;
  --ios-space-lg:24px;
  --ios-font-size-title2:20px;
  --ios-font-size-title3:18px;
  --ios-font-size-callout:14px;
  --ios-font-size-caption1:12px;
  --ios-font-size-caption2:10px;
  --ios-radius-md:8px;
  --ios-smooth:0.25s cubic-bezier(0.32, 0.72, 0, 1);

  --mono:'JetBrains Mono','IBM Plex Mono','Cascadia Code',Consolas,Menlo,monospace;
  --sans:'Space Grotesk','Inter','Noto Sans SC',system-ui,sans-serif;
  --cn:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;

  --pad-x: clamp(20px, 4vw, 56px);
  --maxw: 1480px;

  --chrome-bg:#000;
  --nav-bg:rgba(8,8,10,.78);
  --hover-fill:rgba(232,230,225,.04);
  --grid-line:rgba(232,230,225,.022);
}

/* ── reset ──────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;color-scheme:dark}
html,body{
  background:var(--bg-0);color:var(--ink-0);
  font-family:var(--sans);font-size:15px;line-height:1.55;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
body{overflow-x:hidden;font-feature-settings:"ss01","ss02","cv11";min-height:100vh}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
img,svg{display:block;max-width:100%}
::selection{background:var(--rust);color:#fff}

.cn{font-family:var(--cn)}
.mono{font-family:var(--mono);font-weight:400;letter-spacing:.02em}
.up{text-transform:uppercase;letter-spacing:.18em}
.muted{color:var(--ink-1)}
.faint{color:var(--ink-2)}
.dim{color:var(--ink-3)}
.tabnum{font-variant-numeric:tabular-nums}

/* ── 全站底纹 ───────────────────────────────────────── */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:1;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:2;opacity:.045;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ── 顶部状态条 ─────────────────────────────────────── */
.strip{
  position:sticky;top:0;z-index:60;
  background:var(--chrome-bg);border-bottom:1px solid var(--line);
  height:30px;
  display:flex;align-items:center;
  padding:0 var(--pad-x);
  font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--ink-1);
  white-space:nowrap;overflow:hidden;
}
.strip>*+*{margin-left:24px}
.strip .sep{color:var(--ink-3)}
.strip .ver{color:var(--ink-0)}
.strip .num{color:var(--ink-0);font-variant-numeric:tabular-nums}
.strip .dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;
  background:var(--green);box-shadow:0 0 0 0 rgba(90,155,106,.5);
  animation:pulse 2.4s ease-in-out infinite;
  vertical-align:middle;margin-right:6px;transform:translateY(-1px);
}
.strip .dot.warn{background:var(--amber);animation-name:pulseAmber}
.strip .dot.err{background:var(--rust);animation-name:pulseRust}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(90,155,106,.55)}50%{box-shadow:0 0 0 6px rgba(90,155,106,0)}}
@keyframes pulseAmber{0%,100%{box-shadow:0 0 0 0 rgba(197,131,45,.55)}50%{box-shadow:0 0 0 6px rgba(197,131,45,0)}}
@keyframes pulseRust{0%,100%{box-shadow:0 0 0 0 rgba(155,58,43,.55)}50%{box-shadow:0 0 0 6px rgba(155,58,43,0)}}
.strip .spacer{flex:1 1 auto;margin-left:24px;border-bottom:1px dashed var(--line);height:1px}
@media (max-width:760px){
  .strip{font-size:10px}
  .strip>*+*{margin-left:12px}
  .strip .optional-stat{display:none}
}

/* ── 顶部导航 ───────────────────────────────────────── */
.bug-nav{
  position:sticky;top:30px;z-index:55;
  background:var(--nav-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.bug-nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px var(--pad-x);max-width:var(--maxw);margin:0 auto;
}
.bug-brand{display:flex;align-items:center;gap:12px;min-width:max-content}
.bug-brand-name{
  font-family:var(--cn-serif,'Noto Serif SC','Songti SC',serif);font-weight:600;letter-spacing:.02em;font-size:16px;
  display:inline-flex;align-items:baseline;gap:.18em;color:var(--ink-0);transition:color .2s;
}
.bug-brand-name:hover{color:var(--rust-3)}
.bug-brand-name .en{font-family:var(--sans);font-weight:600;letter-spacing:.04em;font-size:15px}
.bug-nav-links{display:flex;align-items:center;gap:6px;font-family:var(--mono);font-size:12px}
.bug-nav-links a{
  position:relative;padding:8px 14px;color:var(--ink-1);
  letter-spacing:.1em;text-transform:uppercase;transition:color .25s;
}
.bug-nav-links a:hover{color:var(--ink-0)}
.bug-nav-links a::before{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:1px;
  background:var(--rust);transform:scaleX(0);transform-origin:left;transition:transform .35s;
}
.bug-nav-links a:hover::before{transform:scaleX(1)}
@media (max-width:1180px){
  .bug-nav-links{display:none}
}

/* ── subpage-hero ───────────────────────────────────── */
.subpage-hero{
  padding:clamp(28px,3vw,44px) var(--pad-x) clamp(20px,2.5vw,32px);
  border-bottom:1px solid var(--line);
  position:relative;
  background:radial-gradient(ellipse 50% 60% at 80% 50%, rgba(155,58,43,.06), transparent 60%);
}
.subpage-hero-inner{max-width:var(--maxw);margin:0 auto;width:100%}
.subpage-crumbs{
  font-family:var(--mono);font-size:11px;color:var(--ink-2);letter-spacing:.16em;text-transform:uppercase;
  margin-bottom:14px;display:flex;gap:10px;flex-wrap:wrap;
}
.subpage-crumbs a{color:var(--ink-1);transition:color .2s}
.subpage-crumbs a:hover{color:var(--ink-0)}
.subpage-crumbs .sep{color:var(--ink-3)}
.subpage-crumbs .now{color:var(--rust-3)}
.subpage-h{
  display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:center;
}
.subpage-h h1{
  display:flex;align-items:baseline;flex-wrap:wrap;gap:0 14px;
  font-family:var(--sans);font-weight:700;font-size:clamp(22px,2.6vw,32px);
  line-height:1.15;letter-spacing:0;margin:0;
}
.subpage-h h1 .zh{font-family:var(--cn);font-weight:500}
.subpage-h h1 .accent{color:var(--rust)}
@media (max-width:760px){
  .subpage-h{grid-template-columns:1fr;gap:12px}
}

/* ── 区段通用 ───────────────────────────────────────── */
.bug-section{padding:clamp(36px,4vw,60px) var(--pad-x);position:relative;border-bottom:1px solid var(--line)}
.bug-section.tight{padding:clamp(28px,3vw,48px) var(--pad-x)}
.bug-section-inner{max-width:var(--maxw);margin:0 auto;width:100%}

/* ── Tab 导航（quest-nav 风格） ─────────────────────── */
.bug-tab-nav{
  position:sticky;top:0;z-index:30;
  background:rgba(13,13,16,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);
  margin:0;
}
.bug-tab-nav .section-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 var(--pad-x);
  display:flex;gap:8px;align-items:center;height:54px;overflow-x:auto;
}
.bug-tab-nav button{
  display:flex;align-items:center;gap:10px;padding:8px 14px;
  font-family:var(--mono);font-size:11px;color:var(--ink-2);letter-spacing:.16em;text-transform:uppercase;
  white-space:nowrap;transition:color .2s;border-bottom:2px solid transparent;background:none;cursor:pointer;
}
.bug-tab-nav button:hover{color:var(--ink-0)}
.bug-tab-nav button.active{color:var(--rust-3);border-bottom-color:var(--rust)}
.bug-tab-nav button .n{font-size:10px;color:var(--ink-3);font-weight:600}
.bug-tab-nav button.active .n{color:var(--rust-3)}

/* ── 内容区块 ───────────────────────────────────────── */
.ios-content-section{display:none}
.ios-content-section.active{display:block;animation:fadeInUp .4s ease}
@keyframes fadeInUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}

/* ═══════════════════════════════════════════════════════
   iOS Card Styles (JS 创建的卡片用这些类名)
   ═══════════════════════════════════════════════════════ */
.ios-grid{
  display:grid;grid-template-columns:repeat(auto-fill, minmax(340px, 1fr));gap:20px;
}
.ios-card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:0;
  padding:24px;transition:border-color .25s, transform .25s, background .25s;
  position:relative;overflow:hidden;
  display:flex;flex-direction:column;gap:0;
  cursor:pointer;
}
.ios-card:hover{border-color:var(--rust);transform:translateY(-2px);background:var(--bg-2)}
.ios-card:active{transform:scale(.98);transition:transform .1s ease}

.ios-card-header{
  display:flex;justify-content:space-between;align-items:flex-start;
  margin-bottom:16px;gap:12px;flex-wrap:nowrap;min-height:36px;flex-shrink:0;
}
.ios-card-title{
  flex:1;min-width:0;display:flex;align-items:flex-start;gap:10px;
  font-family:var(--cn);font-size:15px;font-weight:500;color:var(--ink-0);
  word-break:break-word;
}
.ios-card-title i{flex-shrink:0;margin-top:2px;color:var(--rust-3);font-size:14px}

/* 震级显示 */
.ios-magnitude{text-align:center;padding:16px 0}
.ios-magnitude-value{
  font-size:clamp(52px,5vw,72px);font-weight:800;line-height:1;
  color:var(--ink-0);position:relative;display:inline-block;
  font-family:var(--sans);
}
.ios-magnitude-value::after{
  content:'级';font-size:clamp(22px,2.2vw,32px);font-weight:500;
  position:absolute;right:-36px;bottom:10px;color:var(--ink-2);
}
.ios-magnitude-label{font-family:var(--mono);font-size:11px;color:var(--ink-2);margin-top:4px;letter-spacing:.14em;text-transform:uppercase}

/* 震级颜色 */
.ios-magnitude.mag-2 .ios-magnitude-value{color:var(--mag-2)}
.ios-magnitude.mag-3 .ios-magnitude-value{color:var(--mag-3)}
.ios-magnitude.mag-4 .ios-magnitude-value{color:var(--mag-4)}
.ios-magnitude.mag-5 .ios-magnitude-value{color:var(--mag-5)}
.ios-magnitude.mag-6 .ios-magnitude-value{color:var(--mag-6)}
.ios-magnitude.mag-7 .ios-magnitude-value{color:var(--mag-7)}
.ios-magnitude.mag-8 .ios-magnitude-value{color:var(--mag-8)}

/* 位置信息 */
.ios-location{
  font-family:var(--cn);font-size:16px;font-weight:500;color:var(--ink-0);
  margin-bottom:16px;display:flex;align-items:flex-start;gap:8px;line-height:1.4;
  word-break:break-word;
}
.ios-location i{color:var(--rust-3);margin-top:4px;flex-shrink:0}

/* 数据网格 */
.ios-data-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:16px;
}
.ios-data-item{
  background:var(--bg-2);padding:12px;text-align:center;transition:background .2s;
}
.ios-data-item:hover{background:var(--bg-3)}
.ios-data-label{
  font-family:var(--mono);font-size:10px;color:var(--ink-2);text-transform:uppercase;
  letter-spacing:.1em;margin-bottom:4px;
}
.ios-data-value{
  font-family:var(--sans);font-size:15px;font-weight:600;color:var(--ink-0);font-variant-numeric:tabular-nums;
}
.ios-data-value.highlight{color:var(--rust-3)}

/* 烈度/震度区域 */
.ios-intensity{
  display:flex;align-items:center;gap:14px;padding:14px 16px;
  background:var(--bg-2);cursor:pointer;transition:background .2s;margin-top:auto;
}
.ios-intensity:hover{background:var(--bg-3)}
.ios-intensity-circle{
  width:52px;height:52px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--sans);font-size:20px;font-weight:700;color:#fff;
  flex-shrink:0;
  box-shadow:0 4px 12px rgba(0,0,0,.3);
}
.ios-intensity-0{background:var(--green)}
.ios-intensity-1{background:var(--ink-3)}
.ios-intensity-2{background:var(--amber)}
.ios-intensity-3{background:var(--rust-3)}
.ios-intensity-4{background:var(--rust-deep)}
.ios-intensity-info{flex:1}
.ios-intensity-title{font-family:var(--cn);font-size:14px;font-weight:500;color:var(--ink-0);margin-bottom:2px}
.ios-intensity-desc{font-family:var(--mono);font-size:10px;color:var(--ink-2);letter-spacing:.06em}

/* 来源徽章 */
.ios-source-badge{
  flex-shrink:0;padding:4px 10px;background:var(--rust);color:#fff;
  font-family:var(--mono);font-size:10px;font-weight:600;letter-spacing:.08em;
  white-space:nowrap;
}

/* 海啸警告 */
.ios-tsunami-warning{
  display:flex;align-items:center;gap:12px;padding:12px 16px;
  background:rgba(226,55,37,.1);border:1px solid rgba(226,55,37,.2);
  margin-top:12px;font-family:var(--cn);font-size:13px;color:var(--ink-0);
  font-weight:500;
}
.ios-tsunami-warning i{color:var(--mag-6);font-size:16px}

/* SSV 特定 */
.ssv-title-text{font-family:var(--cn);font-weight:500}
.ssv-content > div:first-child{margin-bottom:16px}
.ssv-content .ios-data-grid{margin-bottom:0}

/* ═══════════════════════════════════════════════════════
   加载 / 骨架屏
   ═══════════════════════════════════════════════════════ */
.ios-loading{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:60px 20px;gap:20px;
}
.ios-loading-spinner{
  width:40px;height:40px;border:2px solid var(--line-2);border-top-color:var(--rust-3);
  border-radius:50%;animation:iosSpin 1s linear infinite;
}
@keyframes iosSpin{to{transform:rotate(360deg)}}
.ios-loading-text{font-family:var(--cn);font-size:14px;color:var(--ink-1)}

.ios-skeleton-grid{
  display:grid;grid-template-columns:repeat(auto-fit, minmax(300px, 1fr));gap:20px;
}
.ios-skeleton-card{
  background:var(--bg-1);border:1px solid var(--line);padding:24px;overflow:hidden;
}
.ios-skeleton{
  background:linear-gradient(90deg, rgba(232,230,225,.03) 0%, rgba(232,230,225,.08) 50%, rgba(232,230,225,.03) 100%);
  background-size:200% 100%;animation:skeletonShimmer 1.5s ease-in-out infinite;
  border-radius:2px;
}
@keyframes skeletonShimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.ios-skeleton-avatar{width:72px;height:72px;border-radius:50%;margin:0 auto 16px}
.ios-skeleton-text{height:14px;margin-bottom:8px}
.ios-skeleton-text:last-child{width:60%;margin-bottom:0}
.ios-skeleton-title{height:22px;width:50%;margin-bottom:16px}
.ios-skeleton-row{display:flex;gap:12px;margin-bottom:12px}
.ios-skeleton-row .ios-skeleton{flex:1;height:48px}

/* ═══════════════════════════════════════════════════════
   气象排行
   ═══════════════════════════════════════════════════════ */
.ios-weather-container{display:flex;flex-direction:column;gap:20px}

.ios-weather-header{
  background:var(--bg-1);border:1px solid var(--line);padding:24px;
}
.ios-weather-highlights{
  display:grid;grid-template-columns:repeat(auto-fit, minmax(200px, 1fr));gap:12px;margin-bottom:20px;
}
.ios-highlight-card{
  background:var(--bg-2);padding:16px;display:flex;align-items:center;gap:14px;
  transition:background .2s;border:1px solid transparent;
}
.ios-highlight-card:hover{background:var(--bg-3);border-color:var(--line-2)}
.ios-highlight-icon{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  font-size:20px;color:#fff;flex-shrink:0;
}
.ios-highlight-icon.temp{background:linear-gradient(135deg,var(--amber),var(--rust-3))}
.ios-highlight-icon.rain{background:linear-gradient(135deg,#4f6b8a,#5856d6)}
.ios-highlight-icon.wind{background:linear-gradient(135deg,#6b5b8a,#5856d6)}
.ios-highlight-icon.alert{background:linear-gradient(135deg,var(--mag-6),var(--mag-8))}
.ios-highlight-content{flex:1}
.ios-highlight-label{font-family:var(--mono);font-size:10px;color:var(--ink-2);letter-spacing:.1em;text-transform:uppercase;margin-bottom:4px}
.ios-highlight-value{font-family:var(--cn);font-size:15px;font-weight:500;color:var(--ink-0);font-variant-numeric:tabular-nums}

/* 筛选器 */
.ios-filter-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:16px}
.ios-weather-header .ios-filter-bar+.ios-filter-bar{margin-top:8px;padding-top:16px;border-top:1px solid var(--line)}
.ios-filter-label{
  font-family:var(--mono);font-size:10px;color:var(--ink-2);letter-spacing:.12em;text-transform:uppercase;
  margin-right:8px;display:flex;align-items:center;gap:6px;
}
.ios-filter-btn{
  padding:6px 14px;background:var(--bg-3);border:1px solid var(--line-2);
  color:var(--ink-1);font-family:var(--mono);font-size:10px;letter-spacing:.08em;
  cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:6px;
}
.ios-filter-btn:hover{background:var(--bg-4);color:var(--ink-0);border-color:var(--line-3)}
.ios-filter-btn.active{background:var(--rust);border-color:var(--rust);color:#fff}
.ios-filter-btn:active{transform:scale(.95)}

/* 排行卡片 */
.ios-rank-section{display:grid;grid-template-columns:repeat(auto-fit, minmax(320px, 1fr));gap:20px}
.ios-rank-card{background:var(--bg-1);border:1px solid var(--line);overflow:hidden}
.ios-rank-header{
  padding:16px 20px;background:var(--bg-2);border-bottom:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;
}
.ios-rank-title{
  font-family:var(--cn);font-size:15px;font-weight:500;color:var(--ink-0);
  display:flex;align-items:center;gap:8px;
}
.ios-rank-time{font-family:var(--mono);font-size:10px;color:var(--ink-2);letter-spacing:.06em}
.ios-rank-list{padding:16px}

.ios-rank-item{
  display:flex;align-items:center;gap:12px;padding:10px 12px;
  background:var(--bg-2);margin-bottom:8px;
  transition:background .2s, transform .2s;cursor:pointer;
}
.ios-rank-item:hover{background:var(--bg-3);transform:translateX(4px)}
.ios-rank-item:active{transform:scale(.97)}
.ios-rank-number{
  width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:11px;font-weight:700;color:var(--ink-2);
  background:var(--bg-3);flex-shrink:0;
}
.ios-rank-item:nth-child(1) .ios-rank-number{background:linear-gradient(135deg,#ffd700,#ffa500);color:#000}
.ios-rank-item:nth-child(2) .ios-rank-number{background:linear-gradient(135deg,#c0c0c0,#a0a0a0);color:#000}
.ios-rank-item:nth-child(3) .ios-rank-number{background:linear-gradient(135deg,#cd7f32,#b87333);color:#000}
.ios-rank-location{flex:1;min-width:0}
.ios-rank-province{font-family:var(--mono);font-size:10px;color:var(--ink-2);letter-spacing:.06em}
.ios-rank-city{font-family:var(--cn);font-size:15px;font-weight:500;color:var(--ink-0);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.ios-rank-bar-container{width:80px;height:5px;background:var(--bg-0);overflow:hidden;flex-shrink:0}
.ios-rank-bar{height:100%;transition:width .5s ease}
.ios-rank-value{
  min-width:56px;text-align:right;
  font-family:var(--mono);font-size:14px;font-weight:600;font-variant-numeric:tabular-nums;color:var(--ink-0);
}

/* 排行颜色 */
.temp-high{background:linear-gradient(90deg,var(--rust-3),var(--amber))}
.temp-warm{background:linear-gradient(90deg,var(--amber),var(--mustard))}
.temp-mild{background:linear-gradient(90deg,var(--mustard),var(--green))}
.temp-cool{background:linear-gradient(90deg,var(--green),var(--blue))}
.rain-heavy{background:linear-gradient(90deg,#4f6b8a,#5856d6)}
.rain-moderate{background:linear-gradient(90deg,#5ac8fa,#4f6b8a)}
.rain-light{background:linear-gradient(90deg,#93c5fd,#5ac8fa)}
.wind-strong{background:linear-gradient(90deg,#6b5b8a,#5856d6)}
.wind-moderate{background:linear-gradient(90deg,#9b7bc8,#6b5b8a)}
.wind-light{background:linear-gradient(90deg,#c5a9ff,#9b7bc8)}

/* ═══════════════════════════════════════════════════════
   关于/说明页
   ═══════════════════════════════════════════════════════ */
.ios-about-section{
  background:var(--bg-1);border:1px solid var(--line);padding:24px;margin-bottom:20px;
  position:relative;overflow:hidden;
}
.ios-about-section::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--rust),var(--amber),var(--rust-deep));
}
.ios-section-header{margin-bottom:24px}
.ios-section-title{
  font-family:var(--cn);font-size:18px;font-weight:500;color:var(--ink-0);
  display:flex;align-items:center;gap:12px;margin-bottom:6px;
}
.ios-section-title i{
  width:32px;height:32px;background:var(--rust-soft);display:flex;align-items:center;
  justify-content:center;color:var(--rust-3);font-size:14px;
}
.ios-section-subtitle{
  font-family:var(--cn);font-size:13px;color:var(--ink-2);padding-left:44px;
}
.ios-section-content{color:var(--ink-1);line-height:1.7}
.ios-section-content p{margin-bottom:16px}

/* 列表项 */
.ios-list{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.ios-list-item{
  display:flex;align-items:flex-start;gap:12px;padding:12px 16px;
  background:var(--bg-2);transition:background .2s;
}
.ios-list-item:hover{background:var(--bg-3)}
.ios-list-badge{
  width:24px;height:24px;border-radius:50%;background:var(--bg-3);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:10px;font-weight:600;color:var(--ink-2);flex-shrink:0;
}
.ios-list-item:first-child .ios-list-badge{background:linear-gradient(135deg,#ffd700,#ffa500);color:#000}
.ios-list-item:nth-child(2) .ios-list-badge{background:linear-gradient(135deg,#c0c0c0,#a0a0a0);color:#000}
.ios-list-item:nth-child(3) .ios-list-badge{background:linear-gradient(135deg,#cd7f32,#b87333);color:#000}
.ios-list-content{flex:1}
.ios-list-title{font-family:var(--cn);font-size:14px;font-weight:500;color:var(--ink-0);margin-bottom:2px}
.ios-list-desc{font-family:var(--cn);font-size:12px;color:var(--ink-2);line-height:1.5}

/* 参数卡片 */
.ios-param-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(160px, 1fr));gap:12px;margin-bottom:16px}
.ios-param-card{
  background:var(--bg-2);padding:16px;transition:background .2s;
  border:1px solid transparent;min-height:120px;display:flex;flex-direction:column;
}
.ios-param-card:hover{background:var(--bg-3);border-color:var(--line-2)}
.ios-param-icon{
  width:36px;height:36px;background:var(--rust-soft);display:flex;align-items:center;
  justify-content:center;margin-bottom:12px;
}
.ios-param-icon i{color:var(--rust-3);font-size:16px}
.ios-param-title{font-family:var(--cn);font-size:14px;font-weight:500;color:var(--ink-0);margin-bottom:6px}
.ios-param-desc{font-family:var(--cn);font-size:12px;color:var(--ink-2);line-height:1.5;margin-top:auto}

/* 信息卡片 */
.ios-info-card{
  background:var(--bg-2);padding:16px;margin-bottom:16px;
  border-left:3px solid var(--rust);
}
.ios-info-card.warning{border-left-color:var(--amber);background:rgba(197,131,45,.04)}
.ios-info-card.success{border-left-color:var(--green);background:rgba(90,155,106,.04)}
.ios-info-card.danger{border-left-color:var(--mag-6);background:rgba(226,55,37,.04)}
.ios-info-card-header{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.ios-info-card-icon{
  width:28px;height:28px;border-radius:50%;background:var(--rust-soft);
  display:flex;align-items:center;justify-content:center;
}
.ios-info-card.warning .ios-info-card-icon{background:var(--amber-soft)}
.ios-info-card.success .ios-info-card-icon{background:var(--green-soft)}
.ios-info-card.danger .ios-info-card-icon{background:rgba(226,55,37,.15)}
.ios-info-card-icon i{color:var(--rust-3);font-size:13px}
.ios-info-card.warning .ios-info-card-icon i{color:var(--amber)}
.ios-info-card.success .ios-info-card-icon i{color:var(--green)}
.ios-info-card.danger .ios-info-card-icon i{color:var(--mag-6)}
.ios-info-card-title{font-family:var(--cn);font-size:14px;font-weight:500;color:var(--ink-0)}
.ios-info-card p{font-family:var(--cn);font-size:13px;color:var(--ink-1);line-height:1.6;margin:0}

/* Feature Grid */
.ios-feature-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(200px, 1fr));gap:12px;margin-bottom:16px}
.ios-feature-item{
  background:var(--bg-2);padding:20px;text-align:center;transition:background .2s;
  border:1px solid transparent;min-height:120px;display:flex;flex-direction:column;justify-content:flex-start;
}
.ios-feature-item:hover{background:var(--bg-3);border-color:var(--line-2)}
.ios-feature-icon{
  width:44px;height:44px;border-radius:50%;background:var(--rust-soft);
  display:flex;align-items:center;justify-content:center;margin:0 auto 12px;
}
.ios-feature-icon i{color:var(--rust-3);font-size:20px}
.ios-feature-title{font-family:var(--cn);font-size:14px;font-weight:500;color:var(--ink-0);margin-bottom:4px}
.ios-feature-desc{font-family:var(--cn);font-size:12px;color:var(--ink-2);line-height:1.5}

/* Highlight text */
.ios-highlight{color:var(--rust-3);font-weight:500}
.ios-highlight-warning{color:var(--amber);font-weight:500}
.ios-highlight-danger{color:var(--mag-6);font-weight:500}

/* SSV 详情 */
.ios-ssv-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(260px, 1fr));gap:12px;margin-bottom:16px}
.ios-ssv-card{background:var(--bg-2);padding:16px;border:1px solid var(--line)}
.ios-ssv-title{
  font-family:var(--cn);font-size:14px;font-weight:500;color:var(--rust-3);margin-bottom:12px;
  display:flex;align-items:center;gap:8px;
}
.ios-ssv-row{
  display:flex;justify-content:space-between;align-items:center;padding:6px 0;
  border-bottom:1px solid var(--line);font-family:var(--mono);font-size:11px;
}
.ios-ssv-row:last-child{border-bottom:none}
.ios-ssv-label{color:var(--ink-2)}
.ios-ssv-value{color:var(--ink-0);font-weight:600;font-variant-numeric:tabular-nums}

/* ═══════════════════════════════════════════════════════
   底部菜单栏（保留 ios-tab-bar 用于 JS 兼容）
   ═══════════════════════════════════════════════════════ */
.ios-tab-bar{
  position:fixed;bottom:0;left:0;right:0;
  background:rgba(8,8,10,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-top:1px solid var(--line-2);
  display:flex;justify-content:space-around;
  padding:6px 0;padding-bottom:max(6px, env(safe-area-inset-bottom));
  z-index:1000;box-shadow:0 -4px 20px rgba(0,0,0,.3);
}
.ios-tab-bar .ios-tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:6px 8px;color:var(--ink-2);text-decoration:none;
  transition:color .25s;position:relative;cursor:pointer;
  border:none;background:none;user-select:none;-webkit-tap-highlight-color:transparent;
}
.ios-tab-bar .ios-tab-item i{font-size:20px;height:24px;display:flex;align-items:center;justify-content:center;transition:transform .25s}
.ios-tab-bar .ios-tab-item span{font-family:var(--mono);font-size:9px;letter-spacing:.06em;font-weight:500}
.ios-tab-bar .ios-tab-item::after{
  content:"";position:absolute;bottom:0;width:4px;height:4px;border-radius:50%;
  background:var(--rust-3);transform:scale(0);transition:transform .25s;
}
.ios-tab-bar .ios-tab-item.active{color:var(--rust-3)}
.ios-tab-bar .ios-tab-item.active::after{transform:scale(1)}
.ios-tab-bar .ios-tab-item.active i{transform:scale(1.1)}
.ios-tab-bar .ios-tab-item:hover{color:var(--ink-1)}
.ios-tab-bar .ios-tab-item:active{transform:scale(.95)}

/* ═══════════════════════════════════════════════════════
   底部弹出面板（iOS Sheet）
   ═══════════════════════════════════════════════════════ */
.ios-modal-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.6);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  display:flex;align-items:flex-end;justify-content:center;
  z-index:2000;opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .25s ease, visibility .25s ease;
}
.ios-modal-overlay.active{opacity:1;visibility:visible;pointer-events:auto}

.ios-sheet-handle{
  position:absolute;top:12px;left:50%;transform:translateX(-50%);
  width:40px;height:4px;background:var(--line-3);border-radius:2px;
  cursor:grab;touch-action:none;
}
.ios-sheet-handle:active{cursor:grabbing}

.ios-modal{
  background:var(--bg-1);border:1px solid var(--line-2);border-bottom:none;
  width:100%;max-width:640px;max-height:85vh;overflow-y:auto;
  transform:translateY(100%);transition:transform .3s cubic-bezier(.32,.72,0,1);
  position:relative;padding-bottom:env(safe-area-inset-bottom,20px);
}
.ios-modal-overlay.active .ios-modal{transform:translateY(0)}

.ios-modal-header{
  display:flex;justify-content:space-between;align-items:center;
  padding:20px 20px 16px;border-bottom:1px solid var(--line);
  position:sticky;top:0;background:var(--bg-1);z-index:10;
}
.ios-modal-title{
  font-family:var(--cn);font-size:18px;font-weight:500;color:var(--ink-0);
  padding-left:30px;
}
.ios-modal-close{
  width:32px;height:32px;border-radius:50%;background:var(--bg-3);
  border:none;color:var(--ink-1);font-size:16px;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:background .2s;flex-shrink:0;
}
.ios-modal-close:hover{background:var(--bg-4);color:var(--ink-0)}
.ios-modal-close:active{transform:scale(.9)}
.ios-modal-body{padding:20px}

/* ═══════════════════════════════════════════════════════
   空状态
   ═══════════════════════════════════════════════════════ */
.ios-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:60px 20px;text-align:center;
}
.ios-empty-icon{
  width:56px;height:56px;border-radius:50%;background:var(--bg-2);
  display:flex;align-items:center;justify-content:center;
  font-size:24px;color:var(--ink-2);margin-bottom:16px;
}
.ios-empty-title{font-family:var(--cn);font-size:15px;font-weight:500;color:var(--ink-1);margin-bottom:6px}
.ios-empty-desc{font-family:var(--cn);font-size:13px;color:var(--ink-2)}

/* ═══════════════════════════════════════════════════════
   触觉反馈
   ═══════════════════════════════════════════════════════ */
.haptic-feedback{animation:hapticBounce .3s ease}
@keyframes hapticBounce{0%,100%{transform:scale(1)}50%{transform:scale(.97)}}

/* ═══════════════════════════════════════════════════════
   Footer
   ═══════════════════════════════════════════════════════ */
.bug-footer{
  background:#040406;padding:clamp(40px,4vw,60px) var(--pad-x) 24px;
  color:var(--ink-1);text-align:center;border-top:1px solid var(--line);
}
.bug-footer .bug-footer-copyright{
  font-family:var(--mono);font-size:11px;color:var(--ink-2);letter-spacing:.06em;
}

/* ═══════════════════════════════════════════════════════
   响应式
   ═══════════════════════════════════════════════════════ */
@media (max-width:768px){
  .ios-grid{grid-template-columns:1fr}
  .ios-rank-section{grid-template-columns:1fr}
  .ios-magnitude-value{font-size:48px}
  .ios-magnitude-value::after{font-size:20px;right:-28px;bottom:8px}
  .bug-tab-nav .section-inner{gap:2px}
  .bug-tab-nav button{padding:8px 10px;font-size:10px}
}
@media (max-width:480px){
  .ios-tab-bar{padding:4px 0}
  .ios-tab-item{padding:4px 6px}
  .ios-tab-item i{font-size:18px}
  .ios-tab-item span{font-size:8px}
  .ios-data-grid{grid-template-columns:repeat(2,1fr);gap:6px}
  .ios-card{padding:16px}
}