/* 设计规范见 DESIGN.md。颜色只通过变量使用。 */
:root{
  --bg:#FBF8F3;--surface:#FFFFFF;--surface-2:#F4EFE7;--ink:#1F2233;--muted:#5E6378;--line:#E8E2D8;
  --primary:#5B3FE0;--primary-ink:#FFFFFF;--ok:#1E8F55;--warn:#B26A00;
  --prism:linear-gradient(90deg,#FF6B9A,#FFB84D,#6DD98C,#4DC3FF,#8B6CFF);
  --e-light:#F2D45C;--e-fire:#EF5B3C;--e-ice:#7FDCE8;--e-dark:#5B4B8A;--e-lightning:#F59E0B;--e-grass:#45B36B;--e-water:#3D7CF2;--e-earth:#A8793F;--e-wind:#6FD3B0;
  --r:12px;--r-sm:8px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#12131C;--surface:#1B1D2B;--surface-2:#232536;--ink:#ECEDF5;--muted:#A3A7BC;--line:#2D3046;
  --primary:#A793FF;--primary-ink:#12131C;--ok:#4CD08A;--warn:#F2A93B;}}
:root[data-theme="dark"]{
  --bg:#12131C;--surface:#1B1D2B;--surface-2:#232536;--ink:#ECEDF5;--muted:#A3A7BC;--line:#2D3046;
  --primary:#A793FF;--primary-ink:#12131C;--ok:#4CD08A;--warn:#F2A93B;}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif;font-variant-numeric:tabular-nums}
a{color:var(--primary);text-underline-offset:2px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
h1{font-size:32px;line-height:1.2;margin:.2em 0 .4em}
h2{font-size:24px;line-height:1.3;margin:1.8em 0 .5em;scroll-margin-top:72px}
h3{font-size:18px;margin:1.4em 0 .4em;scroll-margin-top:72px}
p,ul,ol{margin:.7em 0}
@media(max-width:767px){h1{font-size:28px}}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:var(--surface);border-bottom:1px solid var(--line)}
.site-header .in{max-width:1280px;margin:0 auto;height:56px;display:flex;align-items:center;gap:20px;padding:0 16px}
.logo{font-weight:800;font-size:18px;color:var(--ink);text-decoration:none;white-space:nowrap;display:flex;align-items:center;gap:8px}
.logo-mark{width:32px;height:32px;flex:none;filter:drop-shadow(0 1px 2px rgba(60,40,140,.25))}
.nav{display:flex;gap:4px;margin-left:8px}
.nav a{color:var(--ink);text-decoration:none;padding:6px 10px;border-radius:var(--r-sm);font-size:15px}
.nav a:hover,.nav a[aria-current="page"]{background:var(--surface-2)}
.spacer{flex:1}
.search{position:relative}
.search input{width:220px;padding:7px 10px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--bg);color:var(--ink);font:inherit;font-size:14px}
.search .results{position:absolute;right:0;top:40px;width:320px;max-height:360px;overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:0 8px 24px rgba(0,0,0,.12);display:none}
.search .results a{display:block;padding:8px 12px;text-decoration:none;color:var(--ink);font-size:14px}
.search .results a:hover,.search .results a.active{background:var(--surface-2)}
.search .results small{color:var(--muted);margin-left:6px}
.icon-btn{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:var(--r-sm);padding:6px 9px;cursor:pointer;font:inherit}
.menu-btn{display:none}
@media(max-width:860px){.nav{display:none}.nav.open{display:flex;position:absolute;top:56px;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--line);flex-direction:column;padding:8px 16px}.menu-btn{display:inline-block}.site-header .in{gap:8px}.search{min-width:0;flex:1}.search input{width:100%}.search .results{width:min(320px,calc(100vw - 32px))}.logo{font-size:16px}.spacer{display:none}}

/* layout */
.wrap{max-width:1280px;margin:0 auto;padding:0 16px}
.layout{display:grid;grid-template-columns:240px minmax(0,760px) 220px;gap:32px;padding:24px 0 48px;justify-content:center}
.layout.wide{display:block;max-width:1120px;margin:0 auto;padding:24px 16px 48px}
.side{position:sticky;top:72px;align-self:start;max-height:calc(100vh - 88px);overflow:auto;font-size:15px}
.side h4{margin:16px 0 6px;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.side a{display:block;padding:4px 10px;border-radius:var(--r-sm);color:var(--ink);text-decoration:none}
.side a:hover{background:var(--surface-2)}
.side a[aria-current="page"]{background:var(--surface-2);font-weight:600;box-shadow:inset 3px 0 var(--primary)}
.toc{position:sticky;top:72px;align-self:start;font-size:14px;color:var(--muted)}
.toc a{display:block;padding:3px 0;color:var(--muted);text-decoration:none}
.toc a:hover{color:var(--primary)}
.toc strong{display:block;margin-bottom:6px;color:var(--ink)}
.side-mobile{display:none}
@media(max-width:1099px){.layout{grid-template-columns:220px minmax(0,1fr)}.toc{display:none}}
@media(max-width:767px){.layout{display:block;padding-top:12px}.side{display:none}.side-mobile{display:block;margin-bottom:12px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);padding:8px 12px}.side-mobile a{display:block;padding:6px 0}}

/* content bits */
.crumbs{font-size:14px;color:var(--muted)}.crumbs a{color:var(--muted)}
.meta{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13px;color:var(--muted);margin-bottom:12px}
.callout{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--primary);border-radius:var(--r-sm);padding:12px 16px;margin:16px 0}
.callout p{margin:.3em 0}
.callout.warn{border-left-color:var(--warn)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.tile{display:block;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;position:relative;overflow:hidden;transition:box-shadow .15s}
.tile:hover{box-shadow:0 6px 18px rgba(0,0,0,.08)}
.tile::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--prism);opacity:0;transition:opacity .15s}
.tile:hover::before{opacity:1}
.tile b{display:block;font-size:17px;margin-bottom:4px}.tile span{color:var(--muted);font-size:14px}
.hero{padding:40px 0 24px;position:relative}
.hero::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;border-radius:2px;background:var(--prism)}
.hero h1{font-size:40px;max-width:720px}.hero p{font-size:18px;color:var(--muted);max-width:640px}
@media(max-width:767px){.hero h1{font-size:30px}}
.btn{display:inline-block;background:var(--primary);color:var(--primary-ink);border:0;border-radius:var(--r-sm);padding:9px 16px;font:inherit;font-weight:600;text-decoration:none;cursor:pointer}
.btn.ghost{background:transparent;color:var(--primary);border:1px solid var(--primary)}

/* badges */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;line-height:1;padding:4px 8px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);white-space:nowrap}
.badge i{width:9px;height:9px;border-radius:50%;background:var(--c,var(--muted));display:inline-block}
.badge.role{border-radius:var(--r-sm);background:var(--surface-2)}
.badge.ok{color:var(--ok);border-color:currentColor;background:transparent}
.badge.warn{color:var(--warn);border-color:currentColor;background:transparent}
.badge.prism{border:2px solid transparent;background:linear-gradient(var(--surface),var(--surface)) padding-box,var(--prism) border-box}
.e-Light{--c:var(--e-light)}.e-Fire{--c:var(--e-fire)}.e-Ice{--c:var(--e-ice)}.e-Dark{--c:var(--e-dark)}.e-Lightning{--c:var(--e-lightning)}.e-Grass{--c:var(--e-grass)}.e-Water{--c:var(--e-water)}.e-Earth{--c:var(--e-earth)}.e-Wind{--c:var(--e-wind)}
.badges{display:flex;flex-wrap:wrap;gap:6px}

/* tables */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:14.5px}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--surface-2);font-size:13px;white-space:nowrap}
th button{all:unset;cursor:pointer}
tr:last-child td{border-bottom:0}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0}
.filters input,.filters select,.field input,.field select{padding:8px 10px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface);color:var(--ink);font:inherit}
.chip{cursor:pointer;user-select:none}
.chip[aria-pressed="true"]{outline:2px solid var(--primary)}
.infobox{display:grid;grid-template-columns:140px 1fr;gap:8px 16px;margin:16px 0}
.infobox dt{color:var(--muted)}.infobox dd{margin:0}
@media(max-width:767px){
  .stack thead{display:none}.stack tr{display:block;border-bottom:1px solid var(--line);padding:8px 12px}.stack td{display:block;border:0;padding:3px 0}.stack td::before{content:attr(data-label)": ";color:var(--muted);font-size:12px}
  .infobox{grid-template-columns:1fr}
}
details.faq{border-bottom:1px solid var(--line);padding:10px 0}details.faq summary{cursor:pointer;font-weight:600}
.tool{display:grid;gap:12px}.field{display:grid;gap:4px}.field label{font-size:14px;color:var(--muted)}
.bar{height:10px;border-radius:6px;background:var(--surface-2);overflow:hidden}.bar>div{height:100%;background:var(--prism)}
.site-footer{border-top:1px solid var(--line);background:var(--surface);color:var(--muted);font-size:14px;padding:24px 0}
.site-footer a{color:var(--muted)}
.draft{font-size:12px;border:1px dashed var(--warn);color:var(--warn);border-radius:var(--r-sm);padding:2px 8px;display:inline-block}

/* images & i18n */
.thumb{width:48px;height:48px;object-fit:contain;background:var(--surface-2);border-radius:var(--r-sm);flex:none}
.thumb.ph,.portrait.ph{display:inline-flex;align-items:center;justify-content:center;color:var(--muted);font-weight:700}
.portrait{width:150px;height:auto;max-height:246px;object-fit:contain;background:var(--surface-2);border-radius:var(--r);padding:8px;flex:none}
.portrait.ph{height:150px;font-size:48px}
.namecell{display:flex;align-items:center;gap:10px}
.muted{color:var(--muted);font-weight:400}
.formhead{display:flex;gap:20px;align-items:flex-start;margin:8px 0}
.formhead>div{flex:1;min-width:0}
.tile.has-img{display:flex;align-items:center;gap:12px}
.tile.has-img b{margin:0}
.rlist{list-style:none;padding:0;display:grid;gap:8px}
.rlist li{display:flex;align-items:center;gap:10px}
.hero-art{display:flex;gap:8px;float:right;margin:0 0 8px 16px;max-width:50%}
.hero-img{width:110px;height:180px;object-fit:contain;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:6px}
.lang{text-decoration:none;font-size:14px;white-space:nowrap}
@media(max-width:1000px){.hero-art{float:none;max-width:100%;overflow:hidden;margin:0 0 12px}.hero-img{width:72px;height:120px}}
@media(max-width:767px){.formhead{flex-direction:column}.portrait{width:120px;max-height:200px}.stack td .namecell{display:inline-flex}.lang{padding:6px 7px}}

.badge.tier{min-width:28px;justify-content:center;font-weight:700}
.badge.tier-S{background:var(--primary);color:var(--primary-ink);border-color:var(--primary)}
.badge.tier-A{border-color:var(--primary);color:var(--primary)}
.badge.tier-B{color:var(--ink)}.badge.tier-C,.badge.tier-D{color:var(--muted)}
#tier-table td:nth-child(n+5){white-space:nowrap}

/* ===== v2: nav dropdown, home, form pages, updates ===== */
.nav{gap:2px}
.nav-item{position:relative}
.nav-item>a{display:flex;align-items:center;gap:4px}
.nav .caret{font-size:10px;opacity:.6}
.nav-item .sub{display:none;position:absolute;top:100%;left:0;min-width:230px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:0 10px 28px rgba(0,0,0,.14);padding:6px;z-index:30}
.nav-item:hover .sub,.nav-item:focus-within .sub{display:block}
.nav-item .sub a{display:block;padding:8px 12px}
.nav .nav-cta{background:var(--primary);color:var(--primary-ink)}
.nav .nav-cta:hover,.nav .nav-cta[aria-current="page"]{background:var(--primary);filter:brightness(1.08)}
@media(max-width:860px){.nav.open .nav-item .sub{display:block;position:static;box-shadow:none;border:0;padding:0 0 0 12px;min-width:0}.nav.open .caret{display:none}}

.hero2{display:grid;grid-template-columns:1.05fr 1fr;gap:16px;align-items:center;margin:4px 0 28px;padding:32px 32px 0;border-radius:20px;border:1px solid var(--line);position:relative;overflow:hidden;
  background:radial-gradient(900px 380px at 85% 25%,color-mix(in srgb,#8B6CFF 24%,transparent),transparent 62%),radial-gradient(700px 320px at 15% 105%,color-mix(in srgb,#FF6B9A 18%,transparent),transparent 62%),radial-gradient(600px 300px at 55% -10%,color-mix(in srgb,#4DC3FF 20%,transparent),transparent 62%),var(--surface)}
.hero2::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--prism)}
.hero2-text{padding-bottom:28px;position:relative;z-index:2}
.kicker{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 6px}
.hero2 h1{font-size:44px;line-height:1.1;margin:.1em 0 .3em}
.lead{font-size:18px;color:var(--muted);max-width:560px}
.stats{display:flex;flex-wrap:wrap;gap:8px 28px;list-style:none;padding:0;margin:20px 0 0}
.stats b{display:block;font-size:26px;line-height:1}.stats span{font-size:13px;color:var(--muted)}
.hero2-art{--s:1;position:relative;height:calc(360px*var(--s));order:2}
.h2-img{position:absolute;width:37%;aspect-ratio:3/4.2;height:auto;object-fit:cover;object-position:center top;border-radius:18px;background:var(--surface-2);border:3px solid var(--surface);box-shadow:0 16px 34px rgba(20,20,40,.28)}
.h2-0{left:0;bottom:calc(30px*var(--s));transform:rotate(-4deg)}.h2-1{left:31.5%;bottom:calc(8px*var(--s));z-index:2;transform:rotate(1deg) scale(1.08)}.h2-2{left:63%;bottom:calc(36px*var(--s));transform:rotate(5deg)}
@media(max-width:900px){.hero2{grid-template-columns:1fr;padding:22px 20px 0}.hero2-art{--s:.62;order:2}.hero2 h1{font-size:32px}.lead{font-size:16px}}

.home-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start}
.home-side{position:sticky;top:72px;display:grid;gap:16px}
@media(max-width:1000px){.home-grid{grid-template-columns:1fr}.home-side{position:static}}
.home-main section{margin-bottom:12px}
.home-main h2{margin-top:1.4em}
.side-card h3{margin:0 0 8px;font-size:16px}
.upd-mini{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.upd-mini li{display:grid;gap:2px;font-size:14px}.upd-mini time{font-size:12px;color:var(--muted)}
.mini-dl{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;margin:0;font-size:14px}.mini-dl dt{color:var(--muted)}.mini-dl dd{margin:0}

.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.pcard{display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:12px 8px;transition:transform .15s,box-shadow .15s}
.pcard:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.1)}
.pcard-img{width:100%;height:130px;object-fit:contain;background:var(--surface-2);border-radius:var(--r-sm);padding:6px}
.pcard .badges{justify-content:center}
.cgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.ccard{display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:12px;transition:box-shadow .15s}
.ccard:hover{box-shadow:0 8px 20px rgba(0,0,0,.1)}
.cpair{display:flex;align-items:center;gap:10px;background:var(--surface-2);border-radius:var(--r-sm);padding:8px 12px}
.cimg{height:110px;width:auto;object-fit:contain}.arrow{font-size:20px;color:var(--muted)}
.mgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:10px}
.mcard{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:8px 12px}
.mcard:hover{background:var(--surface-2)}.mcard b{display:block}
.routes{list-style:none;counter-reset:r;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:10px}
.routes li{counter-increment:r;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;display:grid;gap:2px;position:relative}
.routes li::before{content:counter(r);position:absolute;right:12px;top:8px;font-size:22px;font-weight:800;color:var(--line)}

.formhead{display:flex;gap:24px;align-items:flex-start;margin:8px 0 4px}
.formhead>div:last-child{flex:1;min-width:0}
.pairs{display:flex;gap:12px;flex:none}
.pair{margin:0;text-align:center}.pair figcaption{font-size:12px;color:var(--muted);margin-top:4px}
.pair:nth-child(2) .portrait{opacity:.85;transform:scale(.9);transform-origin:bottom}
.lore{margin:14px 0 0;padding:10px 14px;border-left:3px solid var(--line);color:var(--muted);font-style:italic}
.lore cite{display:block;font-size:12px;font-style:normal;margin-top:4px}
.sicon{width:36px;height:36px;border-radius:8px;background:var(--surface-2);object-fit:cover;flex:none}
tr.excl td{background:color-mix(in srgb,var(--primary) 7%,transparent)}
@media(max-width:767px){.formhead{flex-direction:column}.pairs{align-self:center}.hero2-art .h2-img{max-width:none}}

.upd-list{display:grid;gap:14px;max-width:760px;margin:16px 0}
.upd{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--primary);border-radius:var(--r-sm);padding:14px 18px}
.upd h3{margin:6px 0 4px;font-size:18px}.upd p{margin:0;color:var(--muted)}
.upd-head{display:flex;gap:10px;align-items:center;font-size:13px;color:var(--muted)}

@media(max-width:860px){.logo-mark{width:28px;height:28px}}