/* =========================================================
   Poki 秒玩站 — design system
   Palette / type / radii follow the Eiko-derived brief:
   #6bd3ff primary, #2c2a28 ink, #efefef surface,
   #ffc554 / #ccff56 / #f7abcf / #fff62b accents.
   ========================================================= */

:root{
  --blue:#6bd3ff;
  --blue-deep:#0f9fd8;
  --blue-pale:#e8f8ff;
  --yellow:#ffc554;
  --green:#ccff56;
  --pink:#f7abcf;
  --lemon:#fff62b;
  --ink:#2c2a28;
  --paper:#ffffff;
  --surface:#efefef;
  --line:#dedbd4;
  --line-soft:#ebe8e2;
  --muted:#67615a;
  --muted-2:#8b857d;
  --focus:#00bbff;
  --r-sm:9px;
  --r-md:47px;
  --r-lg:217px;
  --r-full:9999px;
  --shadow:0 18px 40px -28px rgba(44,42,40,.45);
  --font:"Noto Sans SC","Noto Sans JP","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.25,1,.5,1);
  --max:1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
html,body{overflow-x:hidden}
@supports (overflow:clip){html,body{overflow-x:clip}}
body{
  margin:0;
  font-family:var(--font);
  font-size:15px;
  line-height:1.65;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
[hidden]{display:none !important}

img,svg{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
strong,b{font-weight:700}
::selection{background:var(--blue);color:var(--ink)}

:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}

.skip-link{
  position:fixed;left:16px;top:-80px;z-index:2000;
  background:var(--ink);color:#fff;padding:12px 20px;border-radius:var(--r-md);
  transition:top .2s var(--ease);
}
.skip-link:focus{top:12px}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- top notice ---------- */
.notice{
  background:var(--ink);color:#fff;
  font-size:12px;letter-spacing:.01em;
}
.notice__in{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:34px;padding-top:4px;padding-bottom:4px;
}
.notice p{display:flex;align-items:center;gap:8px;margin:0;line-height:1.4}
.notice .dot{
  width:7px;height:7px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 3px rgba(204,255,86,.18);flex:none;
}
.notice a{
  display:inline-flex;white-space:nowrap;align-items:center;gap:6px;
  border-bottom:1px solid rgba(255,255,255,.45);padding-bottom:1px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.notice a:hover{color:var(--blue);border-color:var(--blue)}
.notice__side{display:flex;align-items:center;gap:20px;white-space:nowrap}
.notice__side span{color:#c9c4bd}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:9999;
  background:#fff;
  border-bottom:1px solid var(--line-soft);
}
.header__in{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:11px;flex:none}
.brand__mark{
  width:42px;height:42px;border-radius:12px;overflow:hidden;flex:none;
  background:var(--blue-pale);
  border:1px solid var(--line-soft);
}
.brand__mark img{width:100%;height:100%;object-fit:cover}
.brand__text{display:flex;flex-direction:column;line-height:1.25}
.brand__text strong{font-size:17px;letter-spacing:-.02em;font-weight:800}
.brand__text strong span{color:var(--blue-deep)}

.main-nav{display:flex;align-items:center}
.nav-mobile-foot{display:none}
.nav-close{display:none}
.nav-list{display:flex;align-items:center;gap:2px;flex-wrap:nowrap}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 12px;font-size:14px;color:var(--ink);
  border-radius:var(--r-sm);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--blue);border-radius:2px;
  transform:scaleX(0);transform-origin:bottom right;
  transition:transform .2s var(--ease);
}
.nav-link:hover{background:#f7f6f3}
.nav-link:hover::after{transform:scaleX(1);transform-origin:bottom left}
.nav-link[aria-current="page"]{font-weight:700}
.nav-link[aria-current="page"]::after{transform:scaleX(1)}
.nav-link[aria-current="page"]:hover::after{transform:scaleX(1)}

.header__actions{display:flex;align-items:center;gap:10px;flex:none}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:50%;
  background:#fff;border:1px solid var(--line);
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
  position:relative;
}
.icon-btn:hover{background:var(--surface);border-color:var(--ink);transform:translateY(-1px)}
.icon-btn svg{width:19px;height:19px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:var(--r-md);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;text-align:center;
  transition:background .25s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn svg{width:17px;height:17px;flex:none}
.btn--primary{background:var(--blue);color:var(--ink)}
.btn--primary:hover{background:#4ac7fb;transform:translateY(-2px)}
.btn--primary:active{transform:translateY(0);background:#2bbcf7}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{background:#000;transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn--sm{padding:10px 18px;font-size:13px}
.btn--block{width:100%}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}

.link-arrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:600;
  position:relative;padding-bottom:2px;
}
.link-arrow svg{width:15px;height:15px;transition:transform .2s var(--ease)}
.link-arrow::after{
  content:"";position:absolute;left:0;right:17px;bottom:0;height:1px;
  background:var(--ink);transform:scaleX(0);transform-origin:right;
  transition:transform .25s var(--ease);
}
.link-arrow:hover::after{transform:scaleX(1);transform-origin:left}
.link-arrow:hover svg{transform:translate(2px,-2px)}

/* ---------- shared type ---------- */
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:11px;letter-spacing:.18em;font-weight:600;color:var(--muted);
  text-transform:uppercase;
}
.kicker::before{content:"";width:26px;height:1px;background:currentColor;opacity:.6}
.section{padding:76px 0}
.section--tight{padding:56px 0}
.section--surface{background:var(--surface)}
.section--ink{background:var(--ink);color:#fff}
.section__head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:28px;
  margin-bottom:36px;flex-wrap:wrap;
}
.section__head h2{
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.12;letter-spacing:-.03em;font-weight:800;
  margin-top:12px;
}
.section__head p{max-width:52ch;color:var(--muted);margin-top:12px;font-size:15px}
.section--ink .section__head p{color:#c9c4bd}
.section--ink .kicker{color:#b9b4ad}
.section__note{font-size:12px;color:var(--muted-2);letter-spacing:.02em;margin-top:14px}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:54px 0 24px;
  background:
    radial-gradient(circle at 88% 6%, rgba(107,211,255,.34), transparent 33%),
    radial-gradient(circle at 6% 92%, rgba(204,255,86,.24), transparent 30%),
    #fff;
}
.hero__deco{position:absolute;inset:0;pointer-events:none;z-index:0}
.hero__deco span{position:absolute;border-radius:var(--r-full)}
.hero__deco .d1{width:190px;height:190px;right:-48px;top:86px;background:var(--pink);opacity:.5}
.hero__deco .d2{width:74px;height:74px;right:132px;top:250px;background:var(--yellow);opacity:.85}
.hero__deco .d3{width:24px;height:24px;left:1%;top:330px;background:var(--blue);opacity:.9}
.hero__deco .d4{width:120px;height:120px;left:-52px;bottom:-30px;background:var(--green);opacity:.45}
.hero__in{position:relative;z-index:1}
.hero h1,.page-hero h1{text-wrap:balance}
.hero h1{
  font-size:clamp(42px,7.4vw,86px);
  line-height:1.02;letter-spacing:-.045em;font-weight:800;
  margin-top:18px;max-width:100%;
}
.hero h1 .thin{color:var(--muted-2);font-weight:400}
.hero__lede{
  max-width:660px;margin-top:24px;
  font-size:clamp(15px,1.55vw,18px);line-height:1.7;color:#4a4540;
}
.hero__lede strong{background:linear-gradient(180deg,transparent 62%,rgba(255,197,84,.75) 62%);font-weight:700}
.hero__lede .nowrap{white-space:nowrap}

/* ---------- launcher tool ---------- */
.launcher{margin-top:34px}
.launcher .tool-result{margin-top:0;border-top:0;padding:0}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:7px 13px;font-size:12px;font-weight:500;
  transition:border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.chip:hover{border-color:var(--ink);background:var(--blue-pale);transform:translateY(-1px)}
.chip.is-active{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip__dot{width:7px;height:7px;border-radius:50%;background:var(--blue);flex:none}

.tool-result{margin-top:22px;border-top:1px dashed var(--line);padding:18px 18px 20px}
.tool-result__top{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-bottom:12px;
}
.tool-result__label{
  display:inline-flex;align-items:center;gap:8px;font-size:11px;
  letter-spacing:.12em;font-weight:700;color:var(--muted);
}
.tool-result__label::before{content:"";width:8px;height:8px;background:var(--green);border-radius:50%}
.tool-pick{
  display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:16px;transition:border-color .2s var(--ease);
}
.tool-pick:hover{border-color:var(--ink)}
.tool-pick__main{display:flex;gap:14px;align-items:center;min-width:0}
.tool-pick__cover{
  width:58px;height:58px;border-radius:8px;flex:none;overflow:hidden;
  background:var(--surface);
}
.tool-pick__cover img{width:100%;height:100%;object-fit:cover}
.tool-pick__name{font-size:18px;font-weight:800;letter-spacing:-.02em;line-height:1.2}
.tool-pick__cn{font-size:12px;color:var(--muted);margin-top:2px}
.tool-pick__meta{display:flex;gap:6px;flex-wrap:wrap;margin-top:7px}
.tool-pick__actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.tool-pick__actions .btn{padding:11px 18px;font-size:13px}
.tool-mini{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:10px;
}
.tool-mini__item{
  display:flex;align-items:center;gap:9px;min-width:0;
  background:#fff;border:1px solid var(--line-soft);border-radius:8px;
  padding:9px 10px;text-align:left;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.tool-mini__item:hover{border-color:var(--ink);background:#fdfcf9}
.tool-mini__dot{
  width:26px;height:26px;overflow:hidden;border-radius:7px;background:var(--surface);flex:none;
  display:flex;align-items:center;justify-content:center;
  font-size:10px;font-weight:800;color:var(--ink);
}
.tool-mini__txt{min-width:0}
.tool-mini__txt strong{display:block;font-size:12px;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tool-mini__txt span{display:block;font-size:10px;color:var(--muted-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.hero__meta{
  display:flex;align-items:center;gap:22px;flex-wrap:wrap;
  margin-top:26px;padding-bottom:34px;
  font-size:12px;color:var(--muted);
}
.hero__meta span{display:inline-flex;align-items:center;gap:7px}
.hero__meta i{width:6px;height:6px;border-radius:50%;background:var(--blue);display:inline-block}
.hero__meta i.g{background:var(--green)}
.hero__meta i.y{background:var(--yellow)}
.hero__meta i.p{background:var(--pink)}

/* ---------- stat band ---------- */
.statband{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#faf9f6}
.statband__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:24px 22px;border-left:1px solid var(--line-soft)}
.stat:first-child{border-left:0;padding-left:0}
.stat strong{display:block;font-size:clamp(26px,3vw,38px);line-height:1;letter-spacing:-.04em;font-weight:800}
.stat strong em{font-style:normal;font-size:.44em;font-weight:600;color:var(--muted);margin-left:4px;letter-spacing:0}
.stat span{display:block;margin-top:7px;font-size:12px;color:var(--muted)}

/* ---------- featured / screenshots ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.game-card{
  display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
  transition:transform .3s var(--ease),border-color .2s var(--ease);
}
.game-card:hover{transform:translateY(-4px);border-color:var(--ink)}
.game-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface)}
.game-card__media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s var(--ease);
}
.game-card:hover .game-card__media img{transform:scale(1.04)}
.game-card__tag{
  position:absolute;left:10px;top:10px;z-index:1;
  background:#fff;color:var(--ink);border-radius:var(--r-md);
  padding:4px 10px;font-size:10px;font-weight:700;letter-spacing:.04em;
  border:1px solid rgba(44,42,40,.14);
}
.game-card__body{padding:16px 16px 18px;display:flex;flex-direction:column;flex:1}
.game-card__title{font-size:18px;font-weight:800;letter-spacing:-.02em;line-height:1.25;display:flex;align-items:center;gap:8px}
.game-card__title img{width:22px;height:22px;border-radius:5px;flex:none}
.game-card__cn{font-size:12px;color:var(--muted);margin-top:3px}
.game-card__desc{font-size:13px;color:#5b554e;line-height:1.65;margin-top:10px;flex:1}
.game-card__meta{
  display:flex;align-items:center;gap:6px;flex-wrap:wrap;
  margin-top:14px;padding-top:12px;border-top:1px solid var(--line-soft);
}
.meta-pill{
  display:inline-flex;align-items:center;gap:5px;
  background:var(--surface);border-radius:var(--r-md);
  padding:4px 9px;font-size:10px;color:#57514a;font-weight:600;
}
.meta-pill svg{width:11px;height:11px}
.game-card__cta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;
}
.game-card__cta .link-arrow{font-size:13px}
/* ---------- scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px}
.scene{
  position:relative;display:flex;flex-direction:column;justify-content:space-between;
  min-height:190px;padding:20px;border-radius:var(--r-sm);
  border:1px solid rgba(44,42,40,.12);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.scene--blue{background:var(--blue)}
.scene--yellow{background:var(--yellow)}
.scene--green{background:var(--green)}
.scene--pink{background:var(--pink)}
.scene--lemon{background:var(--lemon)}
.scene--ink{background:var(--ink);color:#fff}
.scene__num{font-family:var(--mono);font-size:11px;opacity:.62}
.scene h3{font-size:19px;line-height:1.2;letter-spacing:-.02em;margin-top:auto;font-weight:800}
.scene p{font-size:12px;line-height:1.55;margin-top:8px;opacity:.78}
.scene__go{
  display:inline-flex;align-items:center;gap:5px;margin-top:14px;
  font-size:11px;font-weight:700;letter-spacing:.03em;
}
.scene__go svg{width:13px;height:13px;transition:transform .2s var(--ease)}
.scene:hover .scene__go svg{transform:translate(2px,-2px)}

/* ---------- categories ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.cat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:24px;display:flex;flex-direction:column;
  transition:transform .3s var(--ease),border-color .2s var(--ease);
}
.cat-card:hover{transform:translateY(-3px);border-color:var(--ink)}
.cat-card__top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.cat-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-md);
  font-size:11px;font-weight:700;letter-spacing:.04em;
}
.cat-badge--pink{background:var(--pink)}
.cat-badge--yellow{background:var(--yellow)}
.cat-badge--green{background:var(--green)}
.cat-badge--blue{background:var(--blue)}
.cat-badge--lemon{background:var(--lemon)}
.cat-badge--ink{background:var(--ink);color:#fff}
.cat-card__count{font-family:var(--mono);font-size:11px;color:var(--muted-2)}
.cat-card h3{font-size:23px;letter-spacing:-.03em;margin-top:16px;font-weight:800}
.cat-card p{font-size:13px;color:var(--muted);margin-top:8px;flex:1}
.cat-card__samples{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.sample-link{
  font-size:11px;background:var(--surface);border-radius:var(--r-md);
  padding:5px 10px;transition:background .2s var(--ease),color .2s var(--ease);
}
.sample-link:hover{background:var(--ink);color:#fff}
.cat-card .link-arrow{margin-top:18px;font-size:13px}

/* ---------- ranking list ---------- */
.rank-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.rank-list{border-top:1px solid var(--line)}
.rank-row{
  display:grid;grid-template-columns:44px 1fr auto;gap:16px;align-items:center;
  padding:16px 0;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.rank-row:hover{background:#faf9f6}
.rank-row__num{
  font-family:var(--mono);font-size:13px;color:var(--muted-2);align-self:start;padding-top:5px;
}
.rank-row__main{min-width:0}
.rank-row__title{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:700;letter-spacing:-.01em}
.rank-row__title img{width:24px;height:24px;border-radius:5px;flex:none}
.rank-row__why{font-size:12px;color:var(--muted);margin-top:4px;line-height:1.6}
.rank-row__meta{font-size:10px;color:var(--muted-2);text-align:right;white-space:nowrap}
.rank-row__meta strong{display:block;font-size:12px;color:var(--ink);font-weight:700}
.rank-side{
  background:var(--ink);color:#fff;border-radius:var(--r-sm);padding:26px;
  position:sticky;top:96px;
}
.rank-side h3{font-size:20px;letter-spacing:-.02em;margin-bottom:12px}
.rank-side p{font-size:13px;color:#c9c4bd;line-height:1.7}
.rank-side ul{margin-top:18px;display:grid;gap:12px}
.rank-side li{display:flex;gap:10px;font-size:12px;color:#ded9d2;line-height:1.6}
.rank-side li b{color:var(--blue);font-family:var(--mono);font-weight:600;flex:none}
.rank-side .btn{margin-top:22px}

/* ---------- editorial prose ---------- */
.prose{max-width:760px}
.prose--wide{max-width:860px}
.prose h2{font-size:clamp(25px,3.2vw,34px);line-height:1.2;letter-spacing:-.03em;margin-top:44px;font-weight:800}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:19px;line-height:1.35;letter-spacing:-.01em;margin-top:30px;font-weight:700}
.prose p{margin-top:14px;color:#4d4741;line-height:1.85;font-size:15px}
.prose p strong{color:var(--ink)}
.prose ul,.prose ol{margin-top:14px;display:grid;gap:9px}
.prose ul li,.prose ol li{position:relative;padding-left:20px;font-size:14px;line-height:1.75;color:#4d4741}
.prose ul li::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--blue)}
.prose ol{counter-reset:li}
.prose ol li{counter-increment:li;padding-left:26px}
.prose ol li::before{
  content:counter(li,decimal-leading-zero);position:absolute;left:0;top:0;
  font-family:var(--mono);font-size:10px;color:var(--blue-deep);font-weight:700;
}
.prose blockquote{
  margin:24px 0;padding:18px 22px;border-left:3px solid var(--blue);
  background:#faf9f6;font-size:14px;color:#4d4741;line-height:1.8;border-radius:0 var(--r-sm) var(--r-sm) 0;
}
.prose a{color:var(--ink);border-bottom:1px solid var(--blue);transition:background .2s var(--ease)}
.prose a:hover{background:var(--blue-pale)}

.feature-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.feature{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:26px;display:flex;flex-direction:column;
}
.feature__no{
  width:34px;height:34px;border-radius:50%;background:var(--blue);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:12px;font-weight:700;
}
.feature h3{font-size:18px;letter-spacing:-.02em;margin-top:16px;font-weight:800}
.feature p{font-size:13px;color:var(--muted);line-height:1.7;margin-top:8px;flex:1}
.feature .link-arrow{margin-top:16px;font-size:12px}

/* ---------- logo wall ---------- */
.logo-wall{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.logo-stage{
  background:var(--ink);border-radius:var(--r-sm);padding:34px;
  display:grid;gap:22px;
}
.logo-stage__row{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:center}
.logo-tile{
  display:flex;align-items:center;justify-content:center;
  background:#fff;border-radius:var(--r-sm);padding:20px;min-height:96px;
}
.logo-tile--blue{background:#3b3732;border:1px solid #5d564d}
.logo-tile--paper{background:#fff}
.logo-tile--green{background:var(--green)}
.logo-tile img{max-height:44px;width:auto}
.logo-tile--icon{background:#fff}
.logo-tile--icon img{width:54px;height:54px;border-radius:12px}
.logo-tile--wide{grid-column:1 / -1;min-height:auto;padding:12px;background:#fff}
.logo-tile--wide img{max-height:70px}
.logo-copy h2{font-size:clamp(26px,3.2vw,36px);letter-spacing:-.03em;line-height:1.16;margin-top:12px;font-weight:800}
.logo-copy p{font-size:14px;color:var(--muted);line-height:1.8;margin-top:14px}
.logo-copy .fine{font-size:11px;color:var(--muted-2);margin-top:18px;line-height:1.7}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
  border-top:2px solid var(--ink);padding-top:18px;
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--mono);font-size:11px;color:var(--blue-deep);font-weight:700;
}
.step h3{font-size:16px;font-weight:700;margin-top:10px;letter-spacing:-.01em}
.step p{font-size:12px;color:var(--muted);line-height:1.7;margin-top:6px}

/* ---------- table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff}
table{width:100%;border-collapse:collapse;min-width:620px}
caption{text-align:left;padding:14px 18px;font-size:12px;color:var(--muted);border-bottom:1px solid var(--line-soft)}
th,td{padding:13px 18px;text-align:left;font-size:13px;border-bottom:1px solid var(--line-soft);vertical-align:top}
th{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:#faf9f6;font-weight:700}
tr:last-child td{border-bottom:0}
td strong{font-weight:700}
.td-sub{display:block;font-size:11px;color:var(--muted-2);margin-top:3px}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--ink)}
.faq details{border-bottom:1px solid var(--line);background:transparent}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:20px 0;font-size:16px;font-weight:700;letter-spacing:-.01em;line-height:1.5;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary .plus{
  width:26px;height:26px;flex:none;border:1px solid var(--line);border-radius:50%;
  position:relative;transition:background .2s var(--ease),border-color .2s var(--ease),transform .3s var(--ease);
}
.faq summary .plus::before,.faq summary .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);border-radius:1px;
  transform:translate(-50%,-50%);
}
.faq summary .plus::before{width:11px;height:1.5px}
.faq summary .plus::after{width:1.5px;height:11px;transition:transform .25s var(--ease)}
.faq details[open] summary .plus{background:var(--blue);border-color:var(--ink)}
.faq details[open] summary .plus::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq__a{padding:0 46px 20px 0;font-size:14px;color:var(--muted);line-height:1.8;max-width:78ch}
.faq__a a{border-bottom:1px solid var(--blue)}

/* ---------- updates ---------- */
.update-list{border-top:1px solid var(--line)}
.update-row{
  display:grid;grid-template-columns:110px 1fr auto;gap:18px;align-items:baseline;
  padding:14px 0;border-bottom:1px solid var(--line);font-size:13px;
}
.update-row time{font-family:var(--mono);font-size:11px;color:var(--muted-2)}
.update-row p{color:#4d4741;line-height:1.6}
.update-row span{font-size:10px;color:var(--muted-2);letter-spacing:.06em}

/* ---------- CTA ---------- */
.cta{
  background:var(--blue);border-radius:var(--r-sm);
  padding:44px;display:grid;grid-template-columns:1.25fr .75fr;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta::after{
  content:"";position:absolute;right:-60px;top:-70px;width:230px;height:230px;
  border-radius:50%;background:var(--ink);opacity:.08;
}
.cta h2{font-size:clamp(26px,3.4vw,38px);letter-spacing:-.035em;line-height:1.12;font-weight:800}
.cta p{margin-top:10px;font-size:14px;color:#1d3a47;max-width:52ch;line-height:1.7}
.cta__actions{display:flex;flex-direction:column;gap:10px;position:relative;z-index:1}
.cta__actions .btn{justify-content:center}
.cta__actions small{font-size:10px;color:#1d3a47;text-align:center}

/* ---------- page hero (inner pages) ---------- */
.page-hero{
  background:#faf9f6;border-bottom:1px solid var(--line);
  padding:44px 0 50px;position:relative;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-80px;top:-90px;width:260px;height:260px;
  background:var(--blue);border-radius:50%;opacity:.22;
}
.page-hero__in{position:relative;z-index:1;max-width:980px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--muted-2);flex-wrap:wrap}
.breadcrumb a{transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb svg{width:11px;height:11px}
.page-hero h1{
  font-size:clamp(32px,4.4vw,50px);line-height:1.08;letter-spacing:-.04em;font-weight:800;
  margin-top:16px;
}
.page-hero p{max-width:720px;margin-top:16px;font-size:15px;line-height:1.8;color:#524c46}
.page-hero__meta{
  display:flex;gap:18px;flex-wrap:wrap;margin-top:20px;
  font-size:11px;color:var(--muted-2);
}
.page-hero__meta span{display:inline-flex;align-items:center;gap:6px}
.page-hero__meta i{width:5px;height:5px;border-radius:50%;background:var(--blue)}

/* ---------- library toolbar ---------- */
.library{padding-top:34px}
.toolbar{
  display:grid;grid-template-columns:1.4fr 1fr;gap:14px;
  background:#fff;border:1.5px solid var(--ink);border-radius:var(--r-sm);
  padding:14px;
}
.toolbar__search{
  display:flex;align-items:center;gap:9px;
  border:1px solid var(--line);border-radius:var(--r-md);
  padding:6px 8px 6px 14px;background:#fff;
}
.toolbar__search svg{width:17px;height:17px;flex:none;color:var(--muted)}
.toolbar__search input{flex:1;min-width:0;border:0;outline:none;background:transparent;font-size:14px;padding:7px 0}
.toolbar__search button{
  border:0;background:var(--surface);border-radius:var(--r-md);
  padding:7px 12px;font-size:11px;font-weight:600;
}
.toolbar__right{display:flex;gap:8px;align-items:center;justify-content:flex-end}
.select{
  appearance:none;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:10px 34px 10px 14px;font-size:12px;cursor:pointer;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%232c2a28' stroke-width='2.5'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;
}
.select:focus{outline:3px solid var(--focus);outline-offset:2px}
.filterbar{
  display:flex;align-items:center;gap:6px;flex-wrap:wrap;
  padding:16px 0 0;
}
.filterbar__label{font-size:10px;letter-spacing:.12em;color:var(--muted-2);margin-right:6px;font-weight:700}
.filter-chip{
  border:1px solid var(--line);background:#fff;border-radius:var(--r-md);
  padding:8px 14px;font-size:12px;font-weight:600;
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.filter-chip:hover{border-color:var(--ink)}
.filter-chip[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.filter-chip .n{font-family:var(--mono);font-size:10px;opacity:.6;margin-left:5px}

.library__status{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:20px 0 14px;font-size:12px;color:var(--muted);
}
.library__status strong{color:var(--ink)}
.library__status .reset{
  border:0;background:transparent;font-size:11px;border-bottom:1px solid var(--line);
  padding:0 0 1px;color:var(--muted);
}
.library__status .reset:hover{color:var(--ink);border-color:var(--ink)}
.library__tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap}

.library-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.lib-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:14px;display:flex;flex-direction:column;
  transition:transform .25s var(--ease),border-color .2s var(--ease);
}
.lib-card:hover{transform:translateY(-3px);border-color:var(--ink)}
.lib-card__top{display:flex;gap:11px;align-items:center}
.lib-card__cover{
  width:52px;height:52px;border-radius:8px;overflow:hidden;flex:none;background:var(--surface);
  position:relative;
}
.lib-card__cover img{width:100%;height:100%;object-fit:cover}
.lib-card__cover span{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;color:var(--ink);
}
.lib-card__head{min-width:0;flex:1}
.lib-card__head h3{font-size:14px;font-weight:800;line-height:1.3;letter-spacing:-.01em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lib-card__head p{font-size:10px;color:var(--muted-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.lib-card__meta{display:flex;gap:4px;flex-wrap:wrap;margin-top:12px}
.lib-card__meta .meta-pill{font-size:9px;padding:3px 7px}
.lib-card__desc{font-size:11px;color:var(--muted);line-height:1.55;margin-top:9px;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lib-card__foot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:12px;padding-top:10px;border-top:1px solid var(--line-soft)}
.lib-card__foot a{font-size:11px;font-weight:700;display:inline-flex;align-items:center;gap:4px}
.lib-card__foot a svg{width:12px;height:12px}
.lib-card--wide{grid-column:span 1}
.empty{
  grid-column:1 / -1;text-align:center;padding:60px 24px;
  border:1px dashed var(--line);border-radius:var(--r-sm);
}
.empty strong{display:block;font-size:18px}
.empty p{font-size:13px;color:var(--muted);margin-top:8px}
.empty .btn{margin-top:16px}

/* ---------- quiz ---------- */
.quiz{
  background:#fff;border:1.5px solid var(--ink);border-radius:var(--r-sm);padding:26px;
}
.quiz__bar{display:flex;align-items:center;gap:10px;margin-bottom:20px}
.quiz__bar span{height:4px;flex:1;background:var(--surface);border-radius:2px;overflow:hidden}
.quiz__bar i{display:block;height:100%;width:0;background:var(--blue);transition:width .35s var(--ease)}
.quiz__step{font-family:var(--mono);font-size:10px;color:var(--muted-2);white-space:nowrap}
.quiz h3{font-size:20px;letter-spacing:-.02em;line-height:1.3;min-height:52px}
.quiz__opts{display:grid;gap:9px;margin-top:16px}
.quiz__opt{
  text-align:left;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#faf9f6;padding:13px 16px;font-size:13px;font-weight:600;
  transition:border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.quiz__opt:hover{border-color:var(--ink);background:#fff;transform:translateX(3px)}
.quiz__result{text-align:center;padding:10px 0}
.quiz__result .badge-big{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--blue);border-radius:var(--r-md);padding:8px 18px;
  font-size:12px;font-weight:700;
}
.quiz__result h3{margin-top:16px;font-size:24px;min-height:0}
.quiz__result p{font-size:13px;color:var(--muted);margin-top:10px;line-height:1.7}
.quiz__result .btn{margin-top:18px}
.quiz__again{border:0;background:transparent;font-size:11px;color:var(--muted);border-bottom:1px solid var(--line);margin-top:14px;padding:0 0 1px}

/* ---------- topic blocks ---------- */
.topic{
  display:grid;grid-template-columns:.95fr 1.05fr;gap:40px;align-items:center;
  padding:44px 0;border-top:1px solid var(--line);
}
.topic:first-of-type{border-top:0}
.topic:nth-child(even) .topic__media{order:2}
.topic__media{position:relative}
.topic__media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-sm);border:1px solid var(--line)}
.topic__badge{
  position:absolute;left:14px;bottom:14px;
  background:#fff;border-radius:var(--r-md);padding:6px 12px;
  font-size:10px;font-weight:700;
}
.topic__copy h2{font-size:clamp(24px,3vw,32px);letter-spacing:-.03em;line-height:1.2;margin-top:10px;font-weight:800}
.topic__copy p{font-size:14px;color:var(--muted);line-height:1.8;margin-top:12px}
.topic__picks{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.topic__picks a{
  font-size:11px;background:var(--surface);border-radius:var(--r-md);padding:6px 11px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.topic__picks a:hover{background:var(--ink);color:#fff}
.topic__copy .link-arrow{margin-top:18px}

/* ---------- article layout / TOC ---------- */
.guide-layout{display:grid;grid-template-columns:250px 1fr;gap:56px;align-items:start}
.toc{
  position:sticky;top:96px;border-left:2px solid var(--line);padding-left:18px;
}
.toc h2{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);font-weight:700}
.toc ol{margin-top:12px;display:grid;gap:2px;counter-reset:toc}
.toc a{
  display:block;font-size:12px;color:var(--muted);padding:6px 0;line-height:1.5;
  transition:color .2s var(--ease);
}
.toc a:hover{color:var(--ink)}
.toc a.is-current{color:var(--ink);font-weight:700}
.toc .toc-sub{padding-left:12px;font-size:11px}

.article-meta{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  padding:16px 0 24px;border-bottom:1px solid var(--line);margin-bottom:28px;
  font-size:11px;color:var(--muted-2);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta i{width:5px;height:5px;border-radius:50%;background:var(--green)}

.callout{
  background:var(--surface);border-radius:var(--r-sm);padding:20px 22px;margin:24px 0;
  border-left:3px solid var(--blue);
}
.callout strong{display:block;font-size:13px;margin-bottom:5px}
.callout p{font-size:13px;color:var(--muted);margin:0;line-height:1.75}
.callout--yellow{border-left-color:var(--yellow)}
.callout--pink{border-left-color:var(--pink)}

.figure{margin:28px 0}
.figure img{width:100%;border-radius:var(--r-sm);border:1px solid var(--line)}
.figure figcaption{font-size:11px;color:var(--muted-2);margin-top:8px;line-height:1.6}
.figure--half{max-width:560px}

/* ---------- misc ---------- */
.pill-row{display:flex;gap:8px;flex-wrap:wrap}
.pill{
  display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:6px 12px;font-size:11px;color:var(--muted);
}
.pill--blue{background:var(--blue-pale);border-color:#c4ecfb;color:#1b4f63}
.contact-box{
  background:var(--ink);color:#fff;border-radius:var(--r-sm);padding:28px;
}
.contact-box h2{font-size:21px;letter-spacing:-.02em}
.contact-box p{font-size:13px;color:#c9c4bd;line-height:1.75;margin-top:9px}
.contact-box a{color:var(--blue);border-bottom:1px solid rgba(107,211,255,.5)}
.contact-box a:hover{border-color:var(--blue)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#fff;padding:56px 0 24px;margin-top:0}
.footer__top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid #4a4540}
.footer__brand img{height:36px;width:auto}
.footer__brand p{font-size:12px;color:#b7b1a9;line-height:1.8;margin-top:16px;max-width:34ch}
.footer__brand .nonoff{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:10px;color:#d6d0c8;border:1px solid #575149;border-radius:var(--r-md);
  padding:4px 9px;
}
.footer__brand .nonoff i{width:5px;height:5px;border-radius:50%;background:var(--yellow)}
.footer__col h2{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:#8f8880;font-weight:700;margin-bottom:14px}
.footer__col ul{display:grid;gap:8px}
.footer__col a{font-size:12px;color:#d6d0c8;transition:color .2s var(--ease)}
.footer__col a:hover{color:var(--blue)}
.footer__bottom{
  display:flex;justify-content:space-between;align-items:flex-start;gap:28px;flex-wrap:wrap;
  padding-top:22px;font-size:10px;color:#a9a39b;line-height:1.8;
}
.footer__bottom p{max-width:76ch}
.footer__bottom .made{font-family:var(--mono);font-size:9px;letter-spacing:.06em;color:#6f6961;white-space:nowrap}
.footer__meta{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px}
.footer__meta a{border-bottom:1px solid #4a4540;padding-bottom:1px}
.footer__meta a:hover{color:#fff}

/* ---------- search overlay ---------- */
.search-modal{
  position:fixed;inset:0;z-index:10001;
  display:flex;align-items:flex-start;justify-content:center;
  padding:8vh 20px 20px;
  background:rgba(44,42,40,.55);
  backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s;
}
.search-modal.is-open{opacity:1;visibility:visible}
.search-panel{
  width:100%;max-width:680px;background:#fff;border-radius:12px;
  border:1.5px solid var(--ink);overflow:hidden;
  transform:translateY(-10px);transition:transform .25s var(--ease);
  max-height:78vh;display:flex;flex-direction:column;
}
.search-modal.is-open .search-panel{transform:translateY(0)}
.search-panel__head{display:flex;align-items:center;gap:10px;padding:14px 18px;border-bottom:1px solid var(--line)}
.search-panel__head svg{width:20px;height:20px;color:var(--muted);flex:none}
.search-panel__head input{
  flex:1;border:0;outline:none;font-size:17px;padding:6px 0;background:transparent;
}
.search-panel__head kbd{
  font-family:var(--mono);font-size:10px;background:var(--surface);border-radius:4px;
  padding:2px 6px;color:var(--muted);flex:none;
}
.search-panel__body{overflow-y:auto;padding:8px 8px 12px}
.search-group__label{font-size:10px;letter-spacing:.12em;color:var(--muted-2);font-weight:700;padding:10px 12px 6px}
.search-item{
  display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:8px;
  transition:background .15s var(--ease);
}
.search-item:hover,.search-item:focus-visible{background:var(--surface);outline:none}
.search-item__art{
  width:36px;height:36px;border-radius:7px;overflow:hidden;flex:none;background:var(--surface);
}
.search-item__art img{width:100%;height:100%;object-fit:cover}
.search-item__txt{min-width:0;flex:1}
.search-item__txt strong{display:block;font-size:13px;line-height:1.3}
.search-item__txt span{display:block;font-size:10px;color:var(--muted-2);margin-top:1px}
.search-item__tag{font-size:9px;background:var(--blue-pale);color:#1b4f63;border-radius:var(--r-md);padding:3px 8px;white-space:nowrap}
.search-empty{padding:28px 16px;text-align:center;font-size:12px;color:var(--muted)}
.search-panel__foot{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  border-top:1px solid var(--line);padding:10px 16px;font-size:10px;color:var(--muted-2);
}
.search-panel__foot a{border-bottom:1px solid var(--blue);color:var(--ink)}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .nav-list{gap:0}
  .nav-link{padding:8px 9px;font-size:13px}
  .scene-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .library-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer__top{grid-template-columns:1.3fr 1fr 1fr;gap:32px}
  .footer__col:last-child{grid-column:3}
  .tool-mini{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:920px){
  .header__in{min-height:64px}
  .main-nav{
    position:fixed;inset:0;width:100%;z-index:9997;visibility:hidden;
    background:#fff;border-left:0;
    padding:80px 24px 28px;display:flex;flex-direction:column;align-items:stretch;
    clip-path:inset(0 0 0 100%);
    transition:clip-path .3s var(--ease),visibility .3s var(--ease);
    overflow-y:auto;
  }
  .main-nav.is-open{clip-path:inset(0);visibility:visible}
  .nav-close{
    display:flex;align-items:center;justify-content:center;position:fixed;top:16px;right:18px;
    width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:#fff;z-index:3;
  }
  .nav-close svg{width:20px;height:20px}
  .nav-close:hover{background:var(--surface);border-color:var(--ink)}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;max-width:520px}
  .nav-link{display:flex;align-items:center;width:100%;padding:14px 10px;font-size:15px;border-radius:0;border-bottom:1px solid var(--line-soft)}
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{background:var(--blue-pale)}
  .nav-mobile-foot{display:block;margin-top:26px}
  .nav-mobile-foot .btn{width:100%}
  .nav-mobile-foot p{font-size:11px;color:var(--muted-2);margin-top:10px;text-align:center}
  .nav-backdrop{
    position:fixed;inset:0;background:rgba(44,42,40,.45);z-index:9996;
    opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s;
  }
  .nav-backdrop.is-on{opacity:1;visibility:visible}
  .nav-toggle{display:flex}
  .header__actions .header-cta{display:none}
  .hero{padding-top:38px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-cols{grid-template-columns:1fr}
  .feature{border-radius:var(--r-sm)}
  .rank-wrap{grid-template-columns:1fr;gap:32px}
  .rank-side{position:static}
  .logo-wall{grid-template-columns:1fr;gap:28px}
  .steps{grid-template-columns:repeat(2,1fr);gap:24px}
  .topic{grid-template-columns:1fr;gap:22px;padding:34px 0}
  .topic:nth-child(even) .topic__media{order:0}
  .guide-layout{grid-template-columns:1fr;gap:0}
  .toc{position:static;margin-bottom:28px;border-left:0;border-top:1px solid var(--line);padding:16px 0 0}
  .toc ol{grid-template-columns:1fr 1fr;column-gap:16px}
  .library__tools{width:100%;justify-content:space-between}
  .library-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .cta{grid-template-columns:1fr;padding:32px}
  .cta__actions{flex-direction:row;flex-wrap:wrap}
  .cta__actions .btn{flex:1;min-width:160px}
  .cta__actions small{width:100%}
  .notice__side span{display:none}
  .page-hero{padding:32px 0 38px}
  .section{padding:56px 0}
  .section--tight{padding:44px 0}
}
@media (max-width:640px){
  .wrap{padding:0 18px}
  body{font-size:14px}
  .notice__in{min-height:30px;font-size:11px}
  .notice__side{display:none}
  .brand__text small{display:none}
  .brand__mark{width:38px;height:38px;border-radius:10px}
  .brand__text strong{font-size:16px}
  .header__actions{gap:7px}
  .header__actions .icon-btn{width:44px;height:44px}
  .hero__lede{font-size:14px;margin-top:18px}
  .hero__deco .d1,.hero__deco .d4{opacity:.32}
  .hero__deco .d2{opacity:.45;width:58px;height:58px}
  .launcher{margin-top:26px}
  .chip{padding:6px 10px;font-size:11px}
  .tool-pick{grid-template-columns:1fr;gap:14px}
  .tool-pick__actions .btn{flex:1}
  .tool-mini{grid-template-columns:1fr 1fr}
  .hero__meta{gap:12px;font-size:11px;padding-bottom:26px}
  .statband__grid{grid-template-columns:1fr 1fr}
  .stat{padding:18px 16px;border-top:1px solid var(--line-soft)}
  .stat:nth-child(1),.stat:nth-child(2){border-top:0}
  .stat:first-child{padding-left:16px}
  .stat:nth-child(odd){border-left:0;padding-left:16px}
  .stat strong{font-size:28px}
  .card-grid,.card-grid--2{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scene{min-height:160px;padding:16px}
  .scene h3{font-size:16px}
  .scene p{font-size:11px}
  .cat-grid{grid-template-columns:1fr}
  .section__head{margin-bottom:24px}
  .section__head h2{font-size:28px}
  .rank-row{grid-template-columns:30px 1fr;gap:10px}
  .rank-row__meta{grid-column:2;text-align:left;display:flex;gap:8px;margin-top:2px}
  .rank-row__meta strong{display:inline;font-size:10px}
  .logo-stage{padding:20px}
  .logo-tile{min-height:76px;padding:14px}
  .logo-stage__row{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr;gap:20px}
  .library-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .lib-card{padding:11px}
  .lib-card__cover{width:40px;height:40px}
  .lib-card__head h3{font-size:12px}
  .lib-card__desc{display:none}
  .lib-card__meta{margin-top:8px}
  .lib-card__foot{margin-top:8px;padding-top:8px}
  .lib-card__foot a{font-size:10px}
  .toolbar__right{flex-wrap:wrap}
  .select{flex:1}
  .filter-chip{padding:7px 11px;font-size:11px}
  .toc ol{grid-template-columns:1fr}
  .update-row{grid-template-columns:1fr;gap:3px}
  .update-row time{font-size:10px}
  .update-row span{display:none}
  .cta{padding:26px 22px}
  .cta h2{font-size:27px}
  .footer__top{grid-template-columns:1fr 1fr;gap:26px}
  .footer__brand{grid-column:1 / -1}
  .footer__col:last-child{grid-column:auto}
  .footer__bottom{flex-direction:column;gap:12px}
  .article-meta{gap:10px}
  .faq summary{font-size:15px;padding:17px 0}
  .faq__a{padding-right:0}
  .to-top{right:14px;bottom:14px;width:42px;height:42px}
  .section{padding:46px 0}
  .page-hero h1{font-size:32px}
  .search-modal{padding:4vh 12px 12px}
  .search-panel{max-height:86vh}
  .prose h2{margin-top:34px}
}
@media (max-width:380px){
  .header__actions a.icon-btn{display:none}
  .scene-grid{grid-template-columns:1fr}
  .library-grid{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* ---------- additions: library anchor, prose code, faq groups, quiz, categories ---------- */
#favorites{scroll-margin-top:96px}
.prose code{
  font-family:var(--mono);font-size:.86em;background:var(--surface);
  padding:2px 6px;border-radius:4px;word-break:break-all;
}
.prose kbd{
  font-family:var(--mono);font-size:.8em;background:var(--ink);color:#fff;
  padding:1px 6px;border-radius:4px;
}
.faq-group{margin-top:48px}
.faq-group:first-of-type{margin-top:0}
.faq-group > h2{
  font-size:21px;font-weight:800;letter-spacing:-.02em;
  padding-left:13px;border-left:3px solid var(--blue);line-height:1.3;
  margin-bottom:10px;
}
.quiz-wrap{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:56px;align-items:start}
.quiz__body{min-height:220px}
.quiz__result .btn{margin-top:20px}
.quiz__result .tool-mini{margin-top:18px}
.quiz__result .tool-mini__item{margin-bottom:0}

.cat-block{padding:56px 0;border-top:1px solid var(--line)}
.cat-block:first-child{border-top:0;padding-top:0}
.cat-block__head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.cat-block__head h2{
  font-size:clamp(27px,3.5vw,39px);line-height:1.12;letter-spacing:-.035em;
  margin-top:12px;font-weight:800;
}
.cat-intro{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:48px;margin-top:24px;align-items:start}
.cat-intro__copy > p:first-child{font-size:15px;line-height:1.85;color:#4d4741}
.cat-intro__copy .section__note{margin-top:12px}
.cat-picks{margin-top:22px;border-top:1px solid var(--line)}
.cat-picks .rank-row{padding:13px 0}
.cat-picks .rank-row__why{font-size:11px}
.cat-box{
  background:#faf9f6;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:24px;position:sticky;top:96px;
}
.cat-box h3{
  font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted-2);font-weight:700;margin-top:20px;
}
.cat-box h3:first-child{margin-top:0}
.cat-box p{font-size:13px;color:#4d4741;line-height:1.75;margin-top:7px}
.cat-box .btn{margin-top:22px}

@media (max-width:920px){
  .quiz-wrap{grid-template-columns:1fr;gap:30px}
  .cat-intro{grid-template-columns:1fr;gap:26px}
  .cat-box{position:static}
  .cat-block{padding:40px 0}
}
@media (max-width:640px){
  .faq-group{margin-top:34px}
  .faq-group > h2{font-size:18px}
  .quiz{padding:20px}
  .cat-block__head h2{font-size:26px}
  .cat-block__head{gap:12px}
  .cat-intro__copy > p:first-child{font-size:14px}
}

/* ---------- final polish ---------- */
.nowrap{white-space:nowrap}
.br-mobile{display:none}
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-decoration{-webkit-appearance:none;appearance:none}
.modal-close{
  display:flex;align-items:center;justify-content:center;flex:none;
  width:34px;height:34px;border-radius:50%;border:0;background:var(--surface);color:var(--ink);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.modal-close svg{width:15px;height:15px}
.modal-close:hover{background:var(--ink);color:#fff}
@media (max-width:640px){
  .br-mobile{display:block}
  .page-hero::after{width:180px;height:180px;right:-64px;top:-70px;opacity:.14}
  .search-panel__head kbd{display:none}
}
@media (max-width:480px){
  .library-grid{grid-template-columns:1fr}
  .lib-card{padding:14px}
  .lib-card__cover{width:48px;height:48px}
  .lib-card__head h3{font-size:14px;white-space:normal}
  .lib-card__desc{display:-webkit-box}
  .lib-card__meta{margin-top:10px}
  .lib-card__foot{margin-top:10px;padding-top:10px}
  .lib-card__foot a{font-size:11px}
}

.quiz-mini{grid-template-columns:1fr}
.quiz-mini .tool-mini__item{padding:10px 12px}
.quiz-mini .tool-mini__txt strong{white-space:normal;overflow:visible}
.quiz-mini .tool-mini__txt span{white-space:normal}
@media (max-width:920px){
  .nav-mobile-foot{margin-top:auto;padding-top:26px}
}

/* ---------- hero official button + transit page ---------- */
.hero__official{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:24px}
.hero__official .btn{padding:13px 24px;border:2px solid var(--ink)}
.hero__official .btn svg{width:16px;height:16px}
.transit{
  min-height:62vh;display:flex;align-items:center;
  padding:64px 0 76px;background:
    radial-gradient(circle at 92% 8%, rgba(107,211,255,.24), transparent 34%),
    #faf9f6;
  border-bottom:1px solid var(--line);
}
.transit__in{max-width:560px;margin:0 auto;text-align:center}
.transit h1{
  font-size:clamp(30px,4.6vw,44px);line-height:1.12;letter-spacing:-.035em;
  font-weight:800;margin-top:14px;text-wrap:balance;
}
.transit__lead{font-size:14px;line-height:1.75;color:var(--muted);margin-top:14px}
.transit__target{
  display:flex;align-items:center;gap:14px;text-align:left;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:14px 18px;margin:26px auto 0;max-width:400px;
}
.transit__icon{
  width:50px;height:50px;border-radius:9px;background:var(--blue-pale);flex:none;
  display:flex;align-items:center;justify-content:center;overflow:hidden;
  font-size:18px;font-weight:800;color:var(--ink);
}
.transit__icon img{width:100%;height:100%;object-fit:cover}
.transit__target-txt{min-width:0}
.transit__target-txt strong{display:block;font-size:16px;font-weight:800;letter-spacing:-.02em;line-height:1.3}
.transit__target-txt span{display:block;font-size:11px;color:var(--muted-2);margin-top:3px;word-break:break-all}
.transit__actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:26px}
.transit__actions .btn{min-width:180px}
.transit__home{
  display:inline-block;margin-top:20px;font-size:11px;color:var(--muted-2);
  border-bottom:1px solid var(--line);padding-bottom:1px;
}
.transit__home:hover{color:var(--ink);border-color:var(--ink)}
.transit__error{color:#a23b3b;font-size:12px;margin-top:12px}
@media (max-width:640px){
  .hero__official{margin-top:20px}
  .hero__official .btn{width:100%}
  .transit{padding:44px 0 56px;min-height:58vh}
  .transit__target{margin-top:22px}
  .transit__actions{flex-direction:column}
  .transit__actions .btn{width:100%}
}

/* H1 单行显示：窄屏按视口缩放字号，避免强制折行 */
.hero h1{white-space:nowrap}
@media (max-width:640px){
  .hero h1{font-size:clamp(26px,8.15vw,42px)}
}
@media (max-width:310px){
  .hero h1{white-space:normal}
}