/* Skills v4 — human-first information architecture */
body.skills-v3 .skills-hero{min-height:650px;padding-bottom:96px}
body.skills-v3 .skills-hero h1{max-width:930px;font-size:clamp(64px,7.8vw,118px)}
body.skills-v3 .v4-nav-link{color:rgba(255,255,255,.72);text-decoration:none;font-size:14px}
body.skills-v3 .v4-nav-link:hover{color:#fff}

.v4-explore,.v4-originals{padding:clamp(82px,8vw,124px) 5vw;background:#f5efe3}
.v4-explore{border-radius:44px 44px 0 0;margin-top:-36px;position:relative;z-index:6}
.v4-originals{background:#0a1a31;color:#fff}
.v4-section-head{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.55fr);gap:6vw;align-items:end;margin-bottom:36px}
.v4-section-head.compact{margin-bottom:28px}
.v4-section-head h2{font-size:clamp(48px,5.6vw,84px);line-height:.92;letter-spacing:-.055em;margin:12px 0 0;max-width:920px}
.v4-section-head>p{font-size:18px;line-height:1.6;color:#696d72;max-width:540px}
.v4-originals .v4-section-head>p{color:rgba(255,255,255,.64)}
.v4-originals .eyebrow{color:var(--s3-gold)}

.v4-category-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.v4-category-card{position:relative;min-height:220px;padding:20px;border:1px solid rgba(12,25,42,.1);border-radius:24px;background:rgba(255,255,255,.7);text-align:left;cursor:pointer;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 12px 34px rgba(20,29,41,.05);transition:transform .3s cubic-bezier(.16,1,.3,1),box-shadow .3s ease,border-color .3s ease}
.v4-category-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--cat-color,#2c6dff)}
.v4-category-card::after{content:"";position:absolute;right:-38px;bottom:-48px;width:130px;height:130px;border-radius:50%;background:radial-gradient(circle,var(--cat-soft,rgba(44,109,255,.18)),transparent 66%);transition:transform .35s ease}
.v4-category-card:hover{transform:translateY(-6px);box-shadow:0 24px 58px rgba(20,29,41,.11);border-color:rgba(12,25,42,.2)}
.v4-category-card:hover::after{transform:scale(1.25)}
.v4-category-top{display:flex;justify-content:space-between;align-items:center;gap:12px}
.v4-category-icon{width:42px;height:42px;border-radius:14px;background:#071426;color:#fff;display:grid;place-items:center;font-size:19px}
.v4-category-count{font-size:13px;font-weight:700;color:#606a78}
.v4-category-card h3{font-size:clamp(25px,2.25vw,34px);line-height:1;letter-spacing:-.04em;margin:34px 0 10px}
.v4-category-card p{margin:0;color:#68717d;font-size:14px;line-height:1.5;max-width:29ch}

.v4-original-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.v4-original-card{position:relative;min-height:220px;border:1px solid rgba(255,255,255,.14);border-radius:24px;padding:20px;background:linear-gradient(145deg,rgba(255,255,255,.095),rgba(255,255,255,.035));color:#fff;text-align:left;cursor:pointer;display:flex;flex-direction:column;transition:.3s cubic-bezier(.16,1,.3,1)}
.v4-original-card:hover{transform:translateY(-5px);border-color:rgba(255,201,61,.45);background:rgba(255,255,255,.11)}
.v4-original-card small{color:var(--s3-gold);font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.v4-original-card h3{font-size:29px;line-height:1.02;letter-spacing:-.04em;margin:32px 0 9px}
.v4-original-card p{color:rgba(255,255,255,.62);font-size:14px;line-height:1.5;margin:0}
.v4-original-card span{margin-top:auto;padding-top:22px;font-size:13px;font-weight:700;color:#fff}

body.skills-v3 .v4-library{margin-top:0;border-radius:0;padding-top:100px}
.v4-library-shell{display:grid;grid-template-columns:230px minmax(0,1fr);gap:30px;align-items:start}
.v4-sidebar{position:sticky;top:96px;border:1px solid rgba(14,28,44,.1);border-radius:22px;background:rgba(255,255,255,.58);padding:18px;box-shadow:0 12px 32px rgba(25,34,46,.05)}
.v4-filter-group+.v4-filter-group{margin-top:24px}
.v4-filter-group>strong{display:block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#68717e;margin-bottom:10px}
.v4-segmented{display:grid;grid-template-columns:1fr;gap:5px}
.v4-segmented button,.v4-category-list button,.v4-clear{border:1px solid transparent;background:transparent;border-radius:11px;text-align:left;padding:9px 10px;font:inherit;font-size:14px;cursor:pointer;color:#46515e;transition:.2s ease}
.v4-segmented button:hover,.v4-category-list button:hover{background:rgba(7,20,38,.055)}
.v4-segmented button.active,.v4-category-list button.active{background:#071426;color:#fff}
.v4-category-list{display:flex;flex-direction:column;gap:3px}
.v4-category-list button{display:flex;justify-content:space-between;gap:8px;align-items:center}
.v4-category-list em{font-style:normal;font-size:11px;opacity:.62}
.v4-clear{margin-top:20px;width:100%;border-color:rgba(14,28,44,.12);text-align:center}
.v4-clear:hover{background:#fff}

.v4-toolbar{position:sticky;top:92px;z-index:13;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px;background:rgba(247,242,231,.9);backdrop-filter:blur(16px);border:1px solid rgba(14,28,44,.08);border-radius:18px;margin-bottom:12px}
.v4-search{display:flex;align-items:center;gap:9px;flex:1;min-width:220px;background:#fff;border:1px solid rgba(14,28,44,.1);border-radius:13px;padding:0 13px}
.v4-search span{font-size:20px;color:#7b8490}.v4-search input{border:0;outline:0;background:transparent;width:100%;padding:12px 0;font:inherit;color:#121820}
.v4-toolbar-right{display:flex;align-items:center;gap:14px}.v4-result-count{font-size:12px;color:#6d7580;white-space:nowrap}
.v4-sort-label{display:flex;align-items:center;gap:7px;font-size:12px;color:#6d7580}.v4-sort-label select{border:1px solid rgba(14,28,44,.12);border-radius:10px;background:#fff;padding:8px 28px 8px 9px;font:inherit;font-size:12px;color:#222}

body.skills-v3 .v4-results .skill-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}
body.skills-v3 .v4-results .skill-card{min-height:285px;padding:19px;border-radius:21px}
body.skills-v3 .v4-results .skill-card h3{font-size:27px;margin:28px 0 10px}
body.skills-v3 .v4-results .skill-card>p{font-size:13px;line-height:1.52;margin-bottom:18px}
body.skills-v3 .v4-results .skill-meta{font-size:10px}
body.skills-v3 .v4-results .skill-tags span{font-size:10px;padding:5px 7px}
body.skills-v3 .v4-results .open-skill{font-size:13px}
.v4-card-source{font-size:10px!important;letter-spacing:.02em!important;text-transform:none!important;color:#727a85!important}

.v4-empty{text-align:center;padding:60px 20px;border:1px dashed rgba(14,28,44,.18);border-radius:22px;color:#646d78}
.v4-empty strong{font-size:24px;color:#222}.v4-empty p{margin:8px 0 0}
.v4-load-more{display:block;margin:26px auto 0;border:1px solid #071426;background:#071426;color:#fff;border-radius:999px;padding:12px 20px;font:inherit;font-weight:700;cursor:pointer}
.v4-load-more:hover{transform:translateY(-2px)}
.v4-load-more[hidden]{display:none}

body.skills-v3 .community-safety-note{margin:0 0 14px;padding:12px 14px;border-radius:14px;font-size:12px;box-shadow:none}
body.skills-v3 .community-meta{display:grid}
body.skills-v3 .community-meta[hidden]{display:none}

@media(max-width:1120px){
  .v4-category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  body.skills-v3 .v4-results .skill-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:900px){
  body.skills-v3 .v4-nav-link{display:none}
  .v4-section-head{grid-template-columns:1fr}
  .v4-original-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .v4-library-shell{grid-template-columns:1fr}
  .v4-sidebar{position:static;display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .v4-filter-group+.v4-filter-group{margin-top:0}
  .v4-clear{grid-column:1/-1;margin-top:0}
}
@media(max-width:640px){
  .v4-explore,.v4-originals{padding:68px 18px}
  .v4-explore{margin-top:-24px;border-radius:28px 28px 0 0}
  .v4-section-head h2{font-size:44px}
  .v4-category-grid,.v4-original-grid{grid-template-columns:1fr}
  .v4-category-card{min-height:180px}.v4-original-card{min-height:190px}
  body.skills-v3 .v4-library{padding-left:18px;padding-right:18px;padding-top:72px}
  .v4-sidebar{grid-template-columns:1fr;padding:14px}
  .v4-clear{grid-column:auto}
  .v4-category-list{display:grid;grid-template-columns:1fr 1fr}
  .v4-toolbar{top:78px;display:block}
  .v4-toolbar-right{justify-content:space-between;margin-top:9px}
  .v4-sort-label>span{display:none}
  body.skills-v3 .v4-results .skill-grid{grid-template-columns:1fr}
  body.skills-v3 .v4-results .skill-card{min-height:255px}
}
/* Chinese typography fix: do not apply Latin hero rhythm to CJK */
html[lang="zh-CN"] body.skills-v3 .skills-hero h1{
  font-family:Goed,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Noto Sans SC",sans-serif;
  font-size:clamp(60px,5.3vw,86px);
  line-height:.98;
  letter-spacing:-.035em;
  max-width:980px;
  word-break:keep-all;
  overflow-wrap:normal;
  text-wrap:balance;
}
html[lang="zh-CN"] body.skills-v3 .skills-hero h1>span,
html[lang="zh-CN"] body.skills-v3 .skills-hero h1>em{
  display:block;
  width:max-content;
  max-width:100%;
  white-space:nowrap;
}
html[lang="zh-CN"] body.skills-v3 .skills-hero h1>em{
  margin-top:.08em;
}
html[lang="zh-CN"] body.skills-v3 .skills-hero>div>p{
  max-width:760px;
  font-size:20px;
  line-height:1.7;
}
@media(max-width:1100px){
  html[lang="zh-CN"] body.skills-v3 .skills-hero h1{
    font-size:clamp(54px,7.2vw,72px);
  }
}
@media(max-width:700px){
  html[lang="zh-CN"] body.skills-v3 .skills-hero h1{
    font-size:clamp(42px,11.2vw,56px);
    line-height:1.02;
    letter-spacing:-.028em;
    max-width:100%;
  }
  html[lang="zh-CN"] body.skills-v3 .skills-hero h1>span,
  html[lang="zh-CN"] body.skills-v3 .skills-hero h1>em{
    width:auto;
    white-space:normal;
    word-break:keep-all;
  }
}

/* Chinese gradient-line glyph clipping fix */
html[lang="zh-CN"] body.skills-v3 .skills-hero h1{
  overflow:visible;
}
html[lang="zh-CN"] body.skills-v3 .skills-hero h1>em{
  overflow:visible;
  line-height:1.16;
  padding-top:.10em;
  margin-top:-.02em;
  padding-bottom:.04em;
  -webkit-box-decoration-break:clone;
  box-decoration-break:clone;
}

/* Universal hero glyph-clipping fix for NL / EN / 中文 */
body.skills-v3 .skills-hero,
body.skills-v3 .skills-hero > div,
body.skills-v3 .skills-hero h1{
  overflow:visible !important;
}
body.skills-v3 .skills-hero h1{
  line-height:1 !important;
}
body.skills-v3 .skills-hero h1 > span,
body.skills-v3 .skills-hero h1 > em{
  display:block;
  overflow:visible !important;
  line-height:1.12 !important;
  padding-top:.10em;
  padding-bottom:.10em;
  margin-top:-.06em;
  margin-bottom:-.04em;
  -webkit-box-decoration-break:clone;
  box-decoration-break:clone;
}
body.skills-v3 .skills-hero h1 > em{
  margin-top:-.02em;
}
@media(max-width:700px){
  body.skills-v3 .skills-hero h1 > span,
  body.skills-v3 .skills-hero h1 > em{
    line-height:1.14 !important;
    padding-top:.09em;
    padding-bottom:.09em;
    margin-top:-.03em;
    margin-bottom:-.03em;
  }
}