/* RAWeather public site — contour identity, editorial reading */
:root{color-scheme:light dark;--bg:#ffffff;--card-fill:#fafaf9;--header-bg:#f2f2f2;--control-fill:rgba(255,255,255,.86);--header-glass:rgba(255,255,255,.52);--overlay-fill:rgba(252,252,251,.96);--surface:#eeeeec;--text:#171717;--muted:#616161;--line:#ececea;--active:#171717;--on-active:#fafafa;--gutter:clamp(24px,5vw,72px);--header-height:76px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",sans-serif;--radius-outer:14px;--radius-inner:10px;--radius-pill:9999px}
*{box-sizing:border-box}html{background:var(--bg);scrollbar-color:var(--muted) var(--bg)}body{margin:0;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;padding-top:calc(var(--header-height) + 26px)}a{color:inherit;text-underline-offset:5px;touch-action:manipulation}a:focus-visible{outline:2px solid var(--text);outline-offset:5px}::selection{background:var(--text);color:var(--bg)}
.skip-link{position:fixed;top:12px;left:16px;z-index:40;transform:translateY(-180%);padding:12px 18px;background:var(--active);color:var(--on-active);border-radius:var(--radius-pill)}.skip-link:focus{transform:none}
/* Floating top bar following the DeepSeek Harness site: fixed, centred, a pill that is
   transparent at rest and fades its glass surface in once the page scrolls. */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;padding:18px var(--gutter) 0;background:transparent;border-bottom:0}.header-inner{position:relative;width:100%;max-width:calc(1120px - 2 * var(--gutter));margin:0 auto;min-height:var(--header-height);padding:6px 14px;border-radius:var(--radius-pill);border:1px solid transparent;background:transparent;display:flex;align-items:center;justify-content:space-between;gap:24px;transition:background-color .3s ease,border-color .3s ease,backdrop-filter .3s ease,max-width .28s ease}
.site-header.is-scrolled .header-inner{background:var(--header-glass);border-color:var(--line);-webkit-backdrop-filter:blur(24px) saturate(100%);backdrop-filter:blur(24px) saturate(100%)}
.brand{display:flex;align-items:center;text-decoration:none;min-width:44px;min-height:44px}.brand img{display:block;width:38px;height:38px}.page-nav{display:flex;gap:8px;align-items:center}.page-nav a{font-size:14px;text-decoration:none;padding:11px 18px;border-radius:var(--radius-pill);min-height:44px;display:flex;align-items:center}.page-nav a[aria-current]{background:var(--active);color:var(--on-active)}.page-nav a:hover:not([aria-current]){background:var(--surface)}
main{max-width:1440px;padding:0 var(--gutter);margin:auto}.hero{position:relative;isolation:isolate;display:flex;align-items:center;min-height:360px;padding:56px 0 48px;border-bottom:1px solid var(--line)}.hero-content{position:relative;z-index:1;max-width:76%;min-width:0}h1{font-size:clamp(42px,6.5vw,88px);line-height:1.08;font-weight:650;letter-spacing:-.04em;margin:0;text-wrap:balance;overflow-wrap:anywhere}.tagline{font-size:clamp(18px,2vw,26px);line-height:1.45;letter-spacing:-.025em;margin:22px 0 0}.hero-mark{position:absolute;right:0;top:50%;transform:translateY(-50%) rotate(-14deg);width:clamp(160px,24vw,300px);height:auto;opacity:.11;z-index:0;pointer-events:none}.date{color:var(--muted);font-size:14px;margin:28px 0 0;font-variant-numeric:tabular-nums}.contact{display:inline-flex;align-items:center;gap:12px;background:var(--active);color:var(--on-active);padding:13px 20px;margin-top:28px;border-radius:var(--radius-pill);font-size:15px;text-decoration:none;min-height:48px}.contact svg{flex:none}.contact:hover{opacity:.82}.contact:active{opacity:.7}
.document-layout{display:grid;grid-template-columns:minmax(180px,240px) minmax(0,760px);justify-content:space-between;gap:clamp(40px,7vw,112px);padding:40px 0 100px}.document-sidebar{height:max-content;position:sticky;top:calc(var(--header-height) + 38px);max-height:calc(100dvh - var(--header-height) - 48px);overflow:auto;padding:4px 6px 6px 0}.nav-label{font-size:12px;font-weight:600;color:var(--muted);margin:0 0 14px}.contents-nav{display:flex;flex-direction:column;align-items:stretch;gap:2px}.contents-nav a{font-size:14px;line-height:1.45;padding:10px 0;min-height:44px;text-decoration:none}.contents-nav a:hover{text-decoration:underline}.language-nav{display:flex;flex-wrap:wrap;gap:2px 8px;border-top:1px solid var(--line);padding-top:24px;margin-top:28px}.language-nav .nav-label{width:100%;margin-bottom:8px}.language-nav a{padding:9px 0;min-height:40px;font-size:13px;text-decoration:none;color:var(--muted)}.language-nav a[aria-current]{color:var(--text);text-decoration:underline;font-weight:600}.language-nav a:hover{color:var(--text)}
.document{min-width:0;font-size:17px;line-height:1.85;overflow-wrap:anywhere}.document:focus-visible{outline:2px solid var(--text);outline-offset:8px}.document p{margin:0 0 22px;color:var(--muted)}.document>p:first-child{font-size:21px;line-height:1.7;color:var(--text);margin-bottom:48px;letter-spacing:-.015em}.document h2{font-size:26px;line-height:1.35;font-weight:600;letter-spacing:-.025em;margin:52px 0 22px;padding-top:32px;border-top:1px solid var(--line);scroll-margin-top:calc(var(--header-height) + 24px)}.document h2:first-child{margin-top:0;padding-top:0;border-top:0}.document strong{color:var(--text);font-weight:600}.document ul{padding-left:22px;margin:0}.document li{padding-left:6px;margin-bottom:20px;color:var(--muted)}.document a{color:var(--text)}.document a:hover{text-decoration-thickness:2px}.support section{padding:0 0 44px;margin:0 0 44px;border-bottom:1px solid var(--line)}.support h2{font-size:32px}.support section p{font-size:20px;line-height:1.8;margin:0}.related-link p{margin:0}.related-link a{display:inline-block;padding:10px 0;min-height:44px}.related-link a:after{content:"";display:inline-block;width:10px;height:10px;border-top:1.5px solid;border-right:1.5px solid;transform:rotate(45deg);margin-left:16px}#privacy{scroll-margin-top:calc(var(--header-height) + 38px)}
.brand-signoff{display:grid;grid-template-columns:48px minmax(0,1fr) auto;align-items:center;gap:28px;border-top:1px solid var(--line);padding:36px 0}.brand-signoff img{width:48px;height:48px}.brand-signoff p{font-size:clamp(20px,2.2vw,30px);letter-spacing:-.03em;line-height:1.5;margin:0}.brand-signoff nav{display:flex;gap:24px}.brand-signoff nav a{font-size:14px;text-decoration:none;padding:12px 0;min-height:44px}.brand-signoff nav a:hover{text-decoration:underline}footer{border-top:1px solid var(--line);max-width:1296px;margin:0 auto;padding:24px 0 30px}.site-filing{color:var(--muted)!important}.site-filing-links{margin-top:8px}
html[data-theme="dark"]{color-scheme:dark;--bg:#111;--card-fill:#161616;--header-bg:#111;--control-fill:rgba(17,17,17,.86);--header-glass:rgba(18,18,18,.52);--overlay-fill:rgba(20,20,20,.96);--surface:#242424;--text:#f3f3f0;--muted:#b4b4b0;--line:#232323;--active:#f3f3f0;--on-active:#161616}html[data-theme="dark"] .brand img,html[data-theme="dark"] .hero-mark,html[data-theme="dark"] .brand-signoff img{filter:invert(1)}
@media(max-width:1000px){.document-layout{grid-template-columns:190px minmax(0,1fr);gap:40px}.brand-signoff{grid-template-columns:48px minmax(0,1fr)}.brand-signoff nav{grid-column:2}footer{margin:0 var(--gutter)}}
@media(max-width:760px){:root{--header-height:66px;--gutter:24px}.header-inner{gap:12px}.brand img{width:30px;height:30px}.page-nav{gap:0}.page-nav a{font-size:12px;padding:10px 12px}.hero{min-height:280px;padding:40px 0 36px}.hero-content{max-width:100%}.hero-mark{width:170px;right:-8px;opacity:.06}.tagline{font-size:19px;margin-top:20px;max-width:90%}.document-layout{display:flex;flex-direction:column;gap:32px;padding:32px 0 56px}.document-sidebar{position:static;max-height:none;padding:0;overflow:visible}.contents-nav{flex-direction:row;flex-wrap:wrap;gap:0 18px}.contents-nav .nav-label{width:100%;margin-bottom:2px}.contents-nav a{font-size:13px;padding:10px 0}.language-nav{margin-top:18px;padding-top:16px;gap:0 16px}.language-nav .nav-label{margin-bottom:0}.document{font-size:16px}.document>p:first-child{font-size:19px;margin-bottom:36px}.document h2{font-size:23px;margin-top:36px;padding-top:28px}.support h2{font-size:28px}.support section p{font-size:18px}.support section{padding-bottom:32px;margin-bottom:32px}.brand-signoff{gap:20px;padding:28px 0}.brand-signoff p{font-size:22px}.brand-signoff nav{gap:18px;flex-wrap:wrap}.contact{padding:13px 18px}}
@media(max-width:380px){:root{--gutter:20px}.page-nav a{padding:10px;font-size:11px}h1{font-size:38px}.hero-mark{width:140px}.brand-signoff nav a{font-size:13px}}
@media(prefers-reduced-motion:no-preference){a{transition:background-color .18s ease-out,color .18s ease-out,opacity .18s ease-out}}
@media print{.site-header,.document-sidebar,.brand-signoff,.skip-link,.hero-mark{display:none}main{padding:0}.hero{min-height:0;padding:24px 0}.document-layout{display:block;padding:28px 0}.document{max-width:none}footer{margin:0}body{background:white;color:black}}

/* Brand-panel composition informed by the user's references */
.hero{margin:24px 0 0;padding:48px;min-height:340px;border:0;border-radius:var(--radius-outer);background:var(--surface);color:var(--text);overflow:hidden}
.hero-content{max-width:78%}.hero-mark{right:36px;width:clamp(180px,24vw,300px);filter:invert(1);opacity:.22}.hero .date{color:#bfbfbb}.hero .contact{background:#fafafa;color:#171717}.document-layout{padding-top:56px}.brand-signoff{grid-template-columns:1fr auto;padding:44px 0 36px;gap:24px}.brand-lockup{display:flex;align-items:center;gap:20px;min-width:0}.brand-lockup img{width:72px;height:72px}.brand-lockup span{font-size:clamp(40px,6.8vw,88px);font-weight:650;line-height:1.05;letter-spacing:-.04em}.brand-signoff>p{grid-column:1;grid-row:2}.brand-signoff>nav{grid-column:2;grid-row:1 / span 2;flex-direction:column;gap:4px}.support section{background:var(--surface);border:0;border-radius:var(--radius-outer);padding:32px;margin-bottom:20px}.support section h2{margin-bottom:20px}.related-link{padding:20px 0 0}
html[data-theme="dark"] .hero{background:#242424;color:#f3f3f0}html[data-theme="dark"] .hero-mark{filter:invert(1);opacity:.2}html[data-theme="dark"] .hero .date{color:#b4b4b0}html[data-theme="dark"] .hero .contact{background:#f3f3f0;color:#171717}
@media(max-width:1000px){.hero{padding:36px}.hero-content{max-width:85%}.brand-signoff{grid-template-columns:1fr}.brand-signoff>nav{grid-column:1;grid-row:3;flex-direction:row;gap:24px}.brand-lockup img{width:56px;height:56px}}
@media(max-width:760px){.hero{margin-top:16px;padding:32px 24px;min-height:280px;border-radius:var(--radius-outer)}.hero-content{max-width:100%}.hero-mark{width:180px;right:-36px;top:28%;opacity:.09}.hero h1{font-size:clamp(34px,8.5vw,52px)}.hero .tagline{font-size:18px;max-width:100%}.document-layout{padding-top:32px}.support section{padding:24px;border-radius:var(--radius-outer)}.support section p{font-size:17px}.brand-lockup{gap:14px}.brand-lockup img{width:44px;height:44px}.brand-lockup span{font-size:clamp(32px,8vw,52px)}.brand-signoff{padding:32px 0;gap:18px}.brand-signoff>p{font-size:20px}.hero .contact{font-size:14px;padding:12px 16px}}
@media print{.hero{background:white;color:black;margin:0;padding:24px 0}.brand-signoff{display:none}}

#content{scroll-margin-top:calc(var(--header-height) + 38px)}

/* Compact, refined reading proportions — user revision */
:root{--gutter:40px;--header-height:68px}main{max-width:1120px}.brand img{width:32px;height:32px}.hero{min-height:0;margin-top:20px;padding:28px 32px;border-radius:var(--radius-outer)}.hero-content{max-width:100%;width:100%}.hero h1{font-size:40px;line-height:1.25;letter-spacing:-.025em;font-weight:600}.hero .tagline{font-size:16px;line-height:1.6;margin-top:10px}.hero .date{font-size:12px;margin-top:16px}.hero .contact{font-size:13px;min-height:42px;padding:10px 16px;margin-top:18px;gap:8px}.hero .contact svg{width:17px;height:17px}.document-layout{grid-template-columns:200px minmax(0,1fr);justify-content:normal;gap:56px;padding:32px 0 48px}.document-sidebar{top:calc(var(--header-height) + 20px)}.contents-nav a{font-size:13px;padding:8px 0;min-height:38px}.language-nav{margin-top:20px;padding-top:18px}.document{font-size:15px;line-height:1.85}.document>p:first-child{font-size:16px;line-height:1.85;margin-bottom:28px;letter-spacing:0}.document h2{font-size:21px;line-height:1.5;margin:32px 0 14px;padding-top:24px;letter-spacing:-.015em}.document p{margin-bottom:18px}.document li{margin-bottom:14px}.support section{padding:22px 24px;border-radius:var(--radius-inner);margin-bottom:16px}.support section h2{font-size:22px;margin-bottom:12px}.support section p{font-size:16px;line-height:1.85}.related-link{padding:8px 0 0}.related-link a{font-size:14px}.brand-signoff{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 0}.brand-signoff>p{font-size:15px;line-height:1.65;letter-spacing:0}.brand-signoff>nav{flex-direction:row;gap:20px}.brand-signoff nav a{font-size:13px}footer{max-width:1040px;padding:12px 0 18px}.site-filing{padding:16px!important}
@media(max-width:1000px){.document-layout{grid-template-columns:180px minmax(0,1fr);gap:32px}footer{margin:0 var(--gutter)}}
@media(max-width:760px){:root{--gutter:24px;--header-height:64px}.brand img{width:28px;height:28px}.hero{margin-top:16px;padding:24px;border-radius:var(--radius-outer);min-height:0}.hero h1{font-size:30px;line-height:1.35}.hero .tagline{font-size:14px;margin-top:8px}.hero .contact{margin-top:16px}.document-layout{gap:24px;padding:24px 0 32px}.contents-nav a{padding:8px 0}.language-nav{margin-top:12px;padding-top:12px}.document>p:first-child{font-size:16px;margin-bottom:24px}.document h2{font-size:20px;margin-top:28px;padding-top:20px}.support section{padding:20px;border-radius:var(--radius-inner)}.support section h2{font-size:20px}.support section p{font-size:15px}.brand-signoff{align-items:flex-start;flex-direction:column;gap:8px;padding:20px 0}.brand-signoff>p{font-size:14px}.brand-signoff>nav{gap:20px}}
@media(max-width:380px){:root{--gutter:20px}.hero{padding:22px}.hero h1{font-size:28px}}
@media(min-width:761px){.hero-content{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 32px;align-items:center}.hero h1{grid-column:1;grid-row:1}.hero .tagline{grid-column:1;grid-row:2;margin:0}.hero .contact,.hero .date{grid-column:2;grid-row:1 / span 2;margin:0}}

/* Shared type hierarchy and compact localized masthead */
:root{--type-h1:40px;--type-h2:22px;--type-h3:18px;--type-body:15px;--type-nav:13px;--type-note:12px}
.brand{gap:12px;min-width:0;flex:1}.header-slogan{font-size:16px;font-weight:500;line-height:1.5;letter-spacing:0;overflow-wrap:anywhere}.page-nav{flex:none}.page-nav a,.contents-nav a,.language-nav a{font-size:var(--type-nav)}
.hero h1{font-size:var(--type-h1)}.document h2,.support section h2{font-size:var(--type-h2);font-weight:600;line-height:1.5}.document h3{font-size:var(--type-h3);font-weight:600;line-height:1.6;margin:24px 0 10px}.document,.document>p:first-child,.support section p{font-size:var(--type-body);line-height:1.85}.nav-label,.hero .date{font-size:var(--type-note)}
main>footer{max-width:none;margin:0;padding:20px 0;border-top:1px solid var(--line)}main>footer .site-filing{text-align:left;padding:0!important;font-size:var(--type-note)}main>footer .site-filing-links{justify-content:flex-start;margin-top:4px}
@media(min-width:761px){.hero-content{grid-template-columns:minmax(0,1fr) auto;gap:24px}.hero .contact,.hero .date{grid-row:1}}
@media(max-width:760px){:root{--type-h1:30px;--type-h2:20px;--type-h3:17px}.header-inner{gap:12px}.brand{gap:8px}.header-slogan{font-size:15px;max-width:210px}.brand img{flex:none}.page-nav a{padding:10px 9px}.document h3{margin-top:22px}main>footer{padding:18px 0}}
@media(max-width:380px){:root{--type-h1:28px}.header-inner{gap:8px}.header-slogan{font-size:14px}.page-nav a{padding:10px 6px;font-size:12px}}

/* Rounded navigation ends with enough inset around each label */
.page-nav a{border-radius:var(--radius-pill);line-height:20px;padding:12px 20px;justify-content:center}
@media(max-width:760px){.page-nav a{padding:12px 12px}}
@media(max-width:380px){.page-nav a{padding:12px 8px}}

/* A translucent masthead reveals only a softened trace of scrolling content */
.site-header{background:transparent}
@supports ((backdrop-filter:blur(28px)) or (-webkit-backdrop-filter:blur(28px))){


}
@media(prefers-reduced-transparency:reduce){.site-header.is-scrolled .header-inner{background:var(--header-bg);-webkit-backdrop-filter:none;backdrop-filter:none}.header-actions .page-nav{background:var(--bg);-webkit-backdrop-filter:none;backdrop-filter:none}}

/* Compact navigation, locale disclosure and small-screen menu */
.header-actions{display:flex;align-items:center;gap:8px;flex:none}.page-nav a{min-height:39.6px;height:39.6px;padding:9.8px 20px;position:relative}.page-nav a:before{content:"";position:absolute;inset:-2.2px 0;border-radius:inherit}.icon-button{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0;border:0;border-radius:var(--radius-pill);background:transparent;color:var(--text);cursor:pointer;touch-action:manipulation}.icon-button svg{stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.icon-button:hover,.icon-button[aria-expanded=true]{background:var(--surface)}.icon-button:focus-visible{outline:2px solid var(--text);outline-offset:2px}.menu-toggle{display:none}.language-picker{position:relative}.language-picker .language-nav{position:absolute;right:0;top:calc(100% + 10px);z-index:30;display:flex;flex-direction:column;flex-wrap:nowrap;gap:2px;min-width:180px;margin:0;padding:8px;border:1px solid var(--line);border-radius:var(--radius-outer);background:var(--bg);box-shadow:0 8px 28px rgba(0,0,0,.1)}.language-picker .language-nav[hidden]{display:none}.language-picker .language-nav a{display:flex;align-items:center;min-height:44px;padding:10px 12px;border-radius:var(--radius-inner);font-size:13px;color:var(--text);text-decoration:none}.language-picker .language-nav a[aria-current]{background:var(--surface);font-weight:600}.language-picker .language-nav a:hover{background:var(--surface)}
@media(max-width:1000px){.header-actions{gap:0}.menu-toggle{display:inline-flex}.header-actions .page-nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:8px;padding:16px var(--gutter) 24px;background:var(--overlay-fill);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:0 8px 22px rgba(0,0,0,.10)}.menu-open .page-nav{display:flex}.header-actions .page-nav a{justify-content:flex-start;align-self:flex-start;font-size:17px;padding:9.8px 18px}.menu-selected .menu-line.top{transform:rotate(45deg) translateY(4px)}.menu-selected .menu-line.bottom{transform:rotate(-45deg) translateY(-4px)}.menu-line{transform-origin:center}.header-slogan{max-width:none}.language-picker .language-nav{right:-44px}}
@media(prefers-reduced-motion:no-preference){.menu-line{transition:transform .18s ease-out}.icon-button{transition:background-color .18s ease-out}}

/* Collapsed menu has its own visual scale; keep the larger invisible hit area */
@media(max-width:1000px){
 .header-actions .page-nav{gap:8px;padding:12px var(--gutter) 20px}
 .header-actions .page-nav a{font-size:14px;height:35.6px;min-height:35.6px;padding:7.8px 14px;line-height:20px}
 .header-actions .page-nav a:before{inset:-4.2px 0}

}

.language-picker .language-nav{transform-origin:top right}.menu-selected .menu-line{transform-box:view-box}
@media(prefers-reduced-motion:reduce){.menu-line,.icon-button{transition:none}}

/* Published release notes share the site's reading scale and spacing */
.changelog .release-date{font-size:var(--type-note);color:var(--muted);margin:6px 0 20px}
.changelog ol{margin:0;padding-left:22px}
@media(min-width:761px) and (max-width:1000px){.header-inner{gap:12px}.page-nav a{padding-left:12px;padding-right:12px}.header-slogan{max-width:220px}}

.page-nav .external-link-icon{display:inline-flex;margin-left:6px;flex:none}.page-nav .external-link-icon svg{width:12px;height:12px}

html[data-theme="light"]{color-scheme:light}.theme-toggle svg{stroke:none}.theme-moon{display:none}html[data-theme="light"] .theme-sun{display:none}html[data-theme="light"] .theme-moon{display:block}
@media(prefers-reduced-transparency:reduce){html[data-theme="dark"] .site-header{background:transparent}}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.site-header.is-scrolled .header-inner{background:var(--header-bg)}}
@media(prefers-reduced-motion:reduce){.header-inner{transition:none}}

/* —— 本次评审调整（追加于末尾，后写优先）—— */
/* ③ 色块 → 细描边卡片：填充贴近页面背景，只留 1px 边界 */
html[data-theme] .hero,html[data-theme] .support section{background:var(--card-fill);border:1px solid var(--line)}
/* ④ 目录超链接：hover / 当前项用底色框代替下划线；文字左缘保持原位 */
.contents-nav a{padding:10px 12px;border-radius:var(--radius-inner)}
.contents-nav a:hover,.contents-nav a[aria-current]{background:var(--surface);text-decoration:none}

/* —— 滚动紧凑（仅竖向；宽度完全不变，窄屏不会变窄）—— */
.site-header.is-scrolled .header-inner{
  /* 只做横向收窄约 8%；高度与上下内边距不变，元素不上下位移 */
  max-width:max(320px, calc((1120px - 2 * var(--gutter)) * 0.92))}
@media(prefers-reduced-motion:reduce){
  .site-header{transition:none}
  .site-header.is-scrolled .header-inner{transition:none}
}