/* ============================================================
   home.css — 首页专属样式（Hero / Release chip / Screencast /
   Stats / Features / Products / CTA）
   ============================================================ */

/* ---------- Hero ---------- */
.hero{padding:80px 0 40px;position:relative}
.hero-inner{text-align:center;max-width:880px;margin:0 auto}
h1.title{font-size:clamp(36px,6vw,76px);line-height:1.1;margin:0 0 20px;font-weight:800;letter-spacing:-.02em}
h1.title .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.subtitle{font-size:clamp(15px,2vw,18px);color:var(--muted);max-width:620px;margin:0 auto 36px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:18px}
.version-info{font-size:13px;color:var(--muted)}
.version-info b{color:var(--text);font-weight:600}
.version-info a{color:var(--accent);margin-left:8px}

/* ---------- Release chip ---------- */
.release-chip{display:inline-flex;align-items:stretch;gap:0;padding:0;border-radius:999px;
  background:var(--surface);border:1px solid var(--border);font-size:13px;color:var(--muted);
  margin-bottom:24px;overflow:hidden;position:relative;transition:.3s;cursor:pointer;max-width:100%}
.release-chip:hover{border-color:rgba(0,230,231,.45);transform:translateY(-1px);
  box-shadow:0 10px 28px -14px rgba(0,230,231,.55)}
.release-chip::before{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent 0%,rgba(0,230,231,.22) 50%,transparent 100%);
  transform:translateX(-100%);animation:chipShine 4.5s ease-in-out infinite;pointer-events:none}
@keyframes chipShine{0%,60%{transform:translateX(-100%)}90%,100%{transform:translateX(100%)}}
.release-chip .tag{background:var(--accent);color:#111;font-weight:800;font-size:11px;
  letter-spacing:.12em;padding:6px 10px;display:inline-flex;align-items:center;gap:5px;flex-shrink:0}
.release-chip .tag::before{content:"";width:6px;height:6px;border-radius:50%;background:#111;
  box-shadow:0 0 0 2px rgba(0,0,0,.25);animation:chipPulse 1.6s ease-in-out infinite}
@keyframes chipPulse{50%{opacity:.35}}
.release-chip .ver{padding:6px 12px;font-family:"JetBrains Mono","SF Mono",Consolas,monospace;
  font-size:12.5px;color:var(--text);display:inline-flex;align-items:center;gap:6px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.release-chip .ver b{color:var(--accent);font-weight:700}
.release-chip .more{padding:6px 14px 6px 10px;color:var(--muted);font-size:12.5px;
  border-left:1px solid var(--border);display:inline-flex;align-items:center;gap:4px;
  transition:.2s;flex-shrink:0}
.release-chip:hover .more{color:var(--accent)}
.release-chip .more svg{width:12px;height:12px;transition:transform .2s}
.release-chip:hover .more svg{transform:translateX(3px)}

/* ---------- Screencast ---------- */
.screencast{position:relative;margin:60px auto 0;max-width:1200px}
.screencast .toolbar{display:flex;justify-content:space-between;align-items:center;
  margin-bottom:14px;flex-wrap:wrap;gap:10px}
.seg{display:inline-flex;padding:4px;background:var(--surface);border:1px solid var(--border);
  border-radius:999px;gap:2px}
.seg a{padding:7px 16px;border-radius:999px;font-size:13px;color:var(--muted);cursor:pointer;transition:.2s}
.seg a.current{background:var(--grad);color:#0a0b10;font-weight:600}
.seg a:not(.current):hover{color:var(--text)}
.sc-frame{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--border);
  background:#14161f;box-shadow:var(--shadow);aspect-ratio:1200/604;
  transform:perspective(1800px) rotateX(3deg);transition:transform .6s}
.sc-frame:hover{transform:perspective(1800px) rotateX(0)}
#screencast-title-bar{width:100%;display:block;height:auto;aspect-ratio:1200/28;background:rgba(20,22,31,.9)}
#screencast-title-bar.plat_linux{aspect-ratio:1200/47}
#anim_shell{position:relative;width:100%;aspect-ratio:1200/576;background:#14161f}
#anim_container,#anim_container canvas,#anim_container #fallback{
  position:absolute;inset:0;width:100%!important;height:100%!important}
#title-overlay{position:absolute;left:0;right:0;bottom:0;padding:18px 24px;
  background:linear-gradient(0deg,rgba(10,11,16,.92) 0%,rgba(10,11,16,0) 100%);
  color:#fff;font-size:15px;font-weight:600;opacity:0;transform:translateY(6px);
  transition:.4s;pointer-events:none}
#title-overlay.show{opacity:1;transform:none}

.sc-meta{display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:start;
  margin-top:22px;padding:22px 24px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius)}
#indicators{display:flex;flex-direction:column;gap:8px}
#indicators a{width:24px;height:6px;border-radius:3px;background:rgba(255,255,255,.1);
  transition:.3s;cursor:pointer;display:block}
#indicators a.active{background:var(--grad);width:32px}
#indicators a:hover{background:rgba(255,255,255,.25)}
.captions{color:var(--muted);font-size:14.5px;line-height:1.7}
.captions b{display:block;color:var(--text);font-size:17px;font-weight:700;margin-bottom:6px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.captions em{color:var(--accent);font-style:normal}
.captions .keys{display:inline-flex;gap:2px;margin:0 2px;align-items:center}
.captions .keys b{display:inline-block;padding:2px 8px;border-radius:6px;background:#1c1f2b;
  border:1px solid var(--border);color:var(--text);font-size:12px;
  font-family:"JetBrains Mono",monospace;-webkit-background-clip:border-box;background-clip:border-box;font-weight:600}
.captions .keys i{color:var(--muted);font-style:normal;font-size:12px}
.captions .keys.mac{display:none}
.captions .hl,#title-overlay .hl{color:var(--accent);font-weight:700}
.sc-buttons{display:flex;flex-direction:column;gap:8px}
.sc-buttons a{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;
  background:var(--surface-2);border:1px solid var(--border);cursor:pointer;transition:.2s;color:var(--text)}
.sc-buttons a:hover{background:var(--accent);color:#0a0b10;border-color:transparent}
.sc-buttons a svg{fill:currentColor}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.stat{padding:32px 24px;text-align:center;border-right:1px solid var(--border)}
.stat:last-child{border-right:none}
.stat .num{font-size:36px;font-weight:800;background:var(--grad);-webkit-background-clip:text;
  background-clip:text;color:transparent;display:block}
.stat .lbl{color:var(--muted);font-size:13px;margin-top:6px}

/* ---------- Features ---------- */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature{position:relative;padding:28px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);transition:.3s;overflow:hidden}
.feature::before{content:"";position:absolute;inset:0;background:var(--grad);opacity:0;
  transition:.3s;pointer-events:none}
.feature:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.18)}
.feature:hover::before{opacity:.04}
.feature .icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(135deg,rgba(0,230,231,.15),rgba(0,184,185,.15));border:1px solid var(--border)}
.feature .icon svg{width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:1.8}
.feature h3{margin:0 0 10px;font-size:18px;font-weight:700}
.feature p{margin:0;color:var(--muted);font-size:14.5px}

/* ---------- Products ---------- */
.products{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.product{padding:36px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);
  position:relative;overflow:hidden;transition:.3s}
.product:hover{border-color:rgba(255,255,255,.18);transform:translateY(-4px)}
.product .glow{position:absolute;width:300px;height:300px;border-radius:50%;filter:blur(80px);
  opacity:.25;top:-100px;right:-100px}
.product.text .glow{background:var(--accent)}
.product.merge .glow{background:var(--accent-3)}
.product-icon{width:64px;height:64px;margin-bottom:20px;
  display:grid;place-items:center;position:relative;z-index:1}
.product-icon img{width:100%;height:100%;object-fit:contain;display:block}
.product h3{margin:0 0 8px;font-size:22px;font-weight:700;position:relative;z-index:1}
.product p{color:var(--muted);margin:0 0 24px;position:relative;z-index:1}
.product .actions{display:flex;gap:10px;position:relative;z-index:1;flex-wrap:wrap}

/* CTA 样式已迁移至 common.css（全站共用） */

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:980px){
  .features{grid-template-columns:1fr 1fr}
}
@media (max-width:780px){
  .hero{padding:48px 0 20px}
  .screencast{margin-top:40px}
  .sc-frame{transform:none;border-radius:12px}
  .sc-frame:hover{transform:none}
  .screencast .toolbar{justify-content:center}
  .sc-meta{grid-template-columns:1fr;gap:16px;padding:18px}
  #indicators{flex-direction:row;justify-content:center}
  #indicators a{width:40px}
  #indicators a.active{width:52px}
  .sc-buttons{flex-direction:row;justify-content:center}
  .products{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stat:nth-child(2){border-right:none}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--border)}
  .cta{padding:40px 22px;margin-top:40px}
}
@media (max-width:560px){
  .hero{padding:32px 0 10px}
  .release-chip{font-size:12px}
  .release-chip .tag{padding:5px 8px;font-size:10px}
  .release-chip .ver{padding:5px 10px;font-size:11.5px}
  .release-chip .more{padding:5px 10px 5px 8px;font-size:11.5px}
  h1.title br{display:none}
  h1.title{line-height:1.15}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{justify-content:center}
  .features{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .stat{border-right:none;border-bottom:1px solid var(--border)}
  .stat:last-child{border-bottom:none}
  .stat{padding:24px 16px}
  .stat .num{font-size:30px}
  .product{padding:24px}
  .feature{padding:22px}
}

/* ============================================================
   Merge Preview Mockup（首页 Hero 下方的 Git 客户端模拟面板）
   ============================================================ */
.merge-preview{margin:60px auto 0;max-width:1200px;border-radius:16px;overflow:hidden;
  border:1px solid var(--border);background:#14161f;box-shadow:var(--shadow);
  transform:perspective(1800px) rotateX(3deg);transition:transform .6s ease}
.merge-preview:hover{transform:perspective(1800px) rotateX(0)}
.mp-chrome{display:flex;align-items:center;gap:16px;padding:10px 14px;
  background:rgba(20,22,31,.95);border-bottom:1px solid var(--border);font-size:12.5px}
.mp-dots{display:flex;gap:6px;flex-shrink:0}
.mp-dots i{width:11px;height:11px;border-radius:50%;background:#414141;display:block}
.mp-dots i:nth-child(1){background:#ff5f56}
.mp-dots i:nth-child(2){background:#ffbd2e}
.mp-dots i:nth-child(3){background:#27c93f}
.mp-title{color:var(--muted);font-family:"JetBrains Mono","SF Mono",Consolas,monospace;flex-shrink:0}
.mp-tabs{display:flex;gap:4px;margin-left:auto}
.mp-tab{padding:4px 12px;border-radius:6px;color:var(--muted);font-size:12px;cursor:default}
.mp-tab.active{background:rgba(0,230,231,.12);color:var(--accent);font-weight:600}
.mp-body{display:grid;grid-template-columns:240px 1fr;min-height:460px}
.mp-side{background:rgba(10,11,16,.6);border-right:1px solid var(--border);
  padding:18px 16px;display:flex;flex-direction:column;gap:6px;font-size:13px}
.mp-group{color:var(--muted);font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;
  margin:14px 0 6px}
.mp-group:first-child{margin-top:0}
.mp-file{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:8px;
  color:var(--text);font-family:"JetBrains Mono","SF Mono",Consolas,monospace;font-size:12.5px}
.mp-file svg{width:14px;height:14px;color:var(--muted);flex-shrink:0}
.mp-file.staged{background:rgba(0,230,231,.1);color:var(--accent)}
.mp-file.staged svg{color:var(--accent)}
.mp-badge{margin-left:auto;font-size:11px;padding:2px 7px;border-radius:999px;font-weight:700;
  font-family:"JetBrains Mono",monospace}
.mp-badge.add{background:rgba(126,255,216,.15);color:#7effd8}
.mp-badge.del{background:rgba(255,95,86,.15);color:#ff8a80}
.mp-branch{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:8px;
  color:var(--muted);font-size:13px;cursor:default}
.mp-branch svg{width:14px;height:14px;flex-shrink:0}
.mp-branch.active{background:var(--surface);color:var(--text);font-weight:600}
.mp-branch.active svg{color:var(--accent)}
.mp-main{padding:18px 22px;display:flex;flex-direction:column;gap:14px;overflow:hidden}
.mp-commit-bar{display:flex;align-items:center;gap:10px;padding:10px 14px;
  background:var(--surface);border:1px solid var(--border);border-radius:10px;font-size:13px;color:var(--text)}
.mp-commit-bar b{font-family:"JetBrains Mono",monospace;color:var(--accent)}
.mp-commit-bar .mp-dim{color:var(--muted);font-size:12px;margin-left:4px}
.mp-author-dot{width:10px;height:10px;border-radius:50%;background:var(--grad);flex-shrink:0;
  box-shadow:0 0 10px rgba(0,230,231,.6)}
.mp-diff{background:#0e1017;border:1px solid var(--border);border-radius:10px;padding:14px 0;
  font-family:"JetBrains Mono","SF Mono",Consolas,monospace;font-size:13px;line-height:1.75;
  overflow-x:auto;white-space:pre}
.mp-diff .mp-ln{display:inline-block;width:36px;text-align:right;color:#555;
  user-select:none;padding:0 12px 0 6px;border-right:1px solid var(--border);margin-right:12px}
.mp-diff .mp-code{color:var(--text)}
.mp-diff .mp-code em{color:var(--accent);font-style:normal}
.mp-diff .mp-code.mp-add{background:rgba(126,255,216,.08);color:#7effd8;display:inline-block;width:calc(100% - 70px)}
.mp-diff .mp-code.mp-del{background:rgba(255,95,86,.08);color:#ff8a80;display:inline-block;width:calc(100% - 70px)}
.mp-graph{background:rgba(10,11,16,.5);border:1px solid var(--border);border-radius:10px;
  padding:8px 16px;height:120px}
.mp-graph svg{width:100%;height:100%;display:block}

@media (max-width:860px){
  .mp-body{grid-template-columns:1fr}
  .mp-side{border-right:none;border-bottom:1px solid var(--border);
    flex-direction:row;flex-wrap:wrap;gap:8px;padding:14px}
  .mp-group{width:100%;margin:0}
}
@media (max-width:560px){
  .merge-preview{margin-top:40px;transform:none}
  .mp-main{padding:14px}
  .mp-diff{font-size:11.5px}
}

/* ============================================================
   Chip Grid（Even More 卡片）
   ============================================================ */
.chip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.chip{display:flex;gap:14px;padding:22px;border-radius:14px;
  background:var(--surface);border:1px solid var(--border);transition:.3s;align-items:flex-start}
.chip:hover{transform:translateY(-3px);border-color:rgba(0,230,231,.35);
  box-shadow:0 12px 32px -16px rgba(0,230,231,.45)}
.chip svg{width:26px;height:26px;color:var(--accent);flex-shrink:0;margin-top:2px}
.chip b{display:block;color:var(--text);font-size:15px;margin-bottom:4px;font-weight:700}
.chip p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}
@media (max-width:860px){ .chip-grid{grid-template-columns:1fr 1fr} }
@media (max-width:560px){ .chip-grid{grid-template-columns:1fr} }

/* ============================================================
   What's New Grid（Build 亮点卡片）
   ============================================================ */
.whatsnew-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:60px}
.wn-item{display:flex;gap:14px;padding:22px;border-radius:14px;
  background:var(--surface);border:1px solid var(--border);transition:.3s;align-items:flex-start}
.wn-item:hover{transform:translateY(-3px);border-color:rgba(0,230,231,.35);
  box-shadow:0 12px 32px -16px rgba(0,230,231,.45)}
.wn-tag{font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  padding:4px 9px;border-radius:6px;flex-shrink:0;white-space:nowrap}
.wn-tag.new{background:rgba(0,230,231,.18);color:var(--accent)}
.wn-tag.imp{background:rgba(102,242,242,.16);color:#66f2f2}
.wn-tag.fix{background:rgba(126,255,216,.15);color:#7effd8}
.wn-item b{display:block;color:var(--text);font-size:15px;margin-bottom:6px;font-weight:700;line-height:1.4}
.wn-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.6}
.wn-item code{font-family:"JetBrains Mono",monospace;font-size:12px;padding:1px 5px;
  background:rgba(0,230,231,.08);color:var(--accent);border-radius:4px}
.wn-link{padding:0;background:transparent;border:1px dashed rgba(0,230,231,.35)}
.wn-link:hover{border-color:var(--accent);border-style:solid;background:rgba(0,230,231,.05)}
.wn-link a{display:flex;flex-direction:column;justify-content:center;padding:22px;
  color:var(--text);width:100%;height:100%}
.wn-link b{color:var(--accent)}
.wn-link p{display:inline-flex;align-items:center;gap:8px}
.wn-link svg{width:16px;height:16px;transition:transform .2s}
.wn-link:hover svg{transform:translateX(4px)}
@media (max-width:860px){ .whatsnew-grid{grid-template-columns:1fr 1fr} }
@media (max-width:560px){ .whatsnew-grid{grid-template-columns:1fr} }