/* ===== 拼豆图纸生成器 —— 视觉整体优化：Neo-Brutalist（厚黑边 + 硬投影 + 像素数字） =====
 * 功能引擎不变（真实 MARD 色卡 / LAB 匹配 / 套装 / 降噪）。只换视觉皮。
 */

/* 本地字体（子集化 woff2，无外链）。Silkscreen=像素数字字体（拉丁/数字用）。*/
@font-face{font-family:'Noto Sans SC';src:url('../fonts/NotoSansSC-subset.woff2?v=34') format('woff2');font-weight:100 900;font-display:swap;}
@font-face{font-family:'ZCOOL KuaiLe';src:url('../fonts/ZCOOLKuaiLe-subset.woff2?v=34') format('woff2');font-weight:400;font-display:swap;}
@font-face{font-family:'Baloo 2';src:url('../fonts/Baloo2-subset.woff2?v=34') format('woff2');font-weight:100 900;font-display:swap;}
@font-face{font-family:'Silkscreen';src:url('../fonts/Silkscreen-subset.woff2?v=34') format('woff2');font-weight:400 700;font-display:swap;}

:root{
  --ink:#23262F; --label:#3A3E4A; --body:#5A5F6E;
  --muted:#8A8F9E; --muted2:#9AA0AE; --faint:#B0B4C0;
  --line:#E1E4EC; --line2:#E7E9F0;
  --soft:#F7F8FB; --soft2:#F1F3F8;
  --blue:#3D6BE0; --blue-d:#2C4FB0; --blue-g1:#5B84EA;
  --amber:#FFB020; --amber-d:#E8930C;
  --red:#E8476B; --red-d:#C9385A;
  --green:#3FA34D; --green-d:#2E7E3A; --green2:#3FA34D;
  --violet:#8F7BFF; --violet-d:#5A48D8;
  --board:#FBF7EC;
  --card-sh:6px 6px 0 rgba(35,38,47,.14);
  --step-sh:4px 4px 0 rgba(35,38,47,.10);
  --disp:'Noto Sans SC', system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --num:'Silkscreen', ui-monospace, Menlo, monospace;
}

/* Static, crawlable entry points for selected pattern detail pages. */
.pattern-link-hub{max-width:1120px;margin:34px auto 0;padding:22px 24px;border:1px solid #dfe3e8;border-radius:8px;background:#fff}
.pattern-link-hub__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:16px}
.pattern-link-hub__head>div{min-width:0}
.pattern-link-hub__head span{display:block;margin-bottom:5px;color:#167448;font-size:12px;font-weight:900}
.pattern-link-hub__head h2{margin:0;color:#23262f;font-size:19px;line-height:1.35;letter-spacing:0}
.pattern-link-hub__head p{max-width:520px;margin:0;color:#68707d;font-size:13px;line-height:1.65}
.pattern-link-hub__links{display:flex;flex-wrap:wrap;gap:9px 10px}
.pattern-link-hub__links a{display:inline-flex;align-items:center;min-height:38px;padding:8px 12px;border:1px solid #d8dde3;border-radius:6px;background:#f7f8f9;color:#30353d;font-size:13px;font-weight:800;line-height:1.35;text-decoration:none}
.pattern-link-hub__links a:hover{border-color:#167448;background:#eff8f3;color:#11603c}
@media(max-width:640px){
  .pattern-link-hub{margin-top:28px;padding:18px 16px}
  .pattern-link-hub__head{display:block;margin-bottom:14px}
  .pattern-link-hub__head h2{font-size:18px}
  .pattern-link-hub__head p{margin-top:8px}
  .pattern-link-hub__links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .pattern-link-hub__links a{min-width:0;justify-content:center;padding:8px 7px;text-align:center;overflow-wrap:anywhere}
}
*{box-sizing:border-box}
html,body{margin:0}
body{
  font-family:'Noto Sans SC', system-ui, -apple-system, 'PingFang SC', sans-serif;
  color:var(--ink); -webkit-font-smoothing:antialiased;
  background:#F1EEE5;
  background-image:radial-gradient(circle at 3px 3px, rgba(35,38,47,.07) 2.4px, transparent 2.6px);
  background-size:26px 26px;
  background-attachment:fixed;
}
::selection{background:#FFE18A}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
@keyframes popIn{from{transform:scale(.94);opacity:0}to{transform:scale(1);opacity:1}}

.container{max-width:1240px;margin:0 auto;padding:22px 20px 60px}

/* 页面切换淡入淡出只在桌面启用。iOS Safari 的移动视口变化可能把固定底栏快照留在页面中间。 */
@media (min-width:821px) and (prefers-reduced-motion:no-preference){
  @view-transition{ navigation:auto }
}
/* 侧栏留位在首屏就占好（nav.js 之前），避免加载时正文往右跳一下。只对挂了导航的页生效，后台页(admin/tui)不受影响。
   ::before = 侧栏骨架：纯 CSS 首屏就画好白条+边框，nav.js 注入真导航前也不会露出空槽（真导航 z-index 8000 盖在骨架 z-index 7990 上，图标随后填入、几乎无感）。pointer-events:none 不挡点击。 */
@media (min-width:821px){
  body.has-appnav{ padding-left:88px }
  body.has-appnav::before{ content:'';position:fixed;left:0;top:0;bottom:0;width:88px;background:#fff;border-right:2px solid #23262F;z-index:7990;pointer-events:none }
}
@media (max-width:820px){
  body.has-appnav{ padding-bottom:62px }
  body.has-appnav::before{ content:'';position:fixed;left:0;right:0;bottom:0;height:60px;background:#fff;border-top:2px solid #23262F;z-index:7990;pointer-events:none }
}

/* ---------- Header ---------- */
.app-header{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.logo{width:58px;height:58px;flex:0 0 auto;animation:floaty 4s ease-in-out infinite}
@media (min-width:821px){ .app-header .logo{display:none} }  /* 电脑端左侧栏已有 logo，头部不重复 */
.head-text{flex:1 1 300px;min-width:0}
.head-text h1{margin:0;font-family:var(--disp);font-weight:900;font-size:clamp(26px,3.4vw,38px);line-height:1.1;color:var(--ink);letter-spacing:1px}
.head-text p{margin:8px 0 0;font-size:14px;color:var(--body);font-weight:500}
/* 站名紧贴 logo 放进顶栏第一行；副标题、购买 pill 各自占一行 → 首屏露出更多工具内容 */
.brand{flex:1 1 0;min-width:0;margin:0;font-family:var(--disp);font-weight:900;font-size:clamp(22px,3.4vw,38px);line-height:1.12;color:var(--ink);letter-spacing:1px}
.head-sub{flex:0 0 100%;width:100%;margin:8px 0 0;font-size:14px;color:var(--body);font-weight:500}
.pill{display:flex;align-items:center;gap:8px;background:#fff;border:2px solid var(--ink);border-radius:12px;padding:8px 14px;box-shadow:3px 3px 0 var(--ink);flex:0 0 auto;white-space:nowrap}
.pill .dot{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(63,163,77,.22)}
.pill span:last-child{font-family:var(--num);font-weight:700;font-size:12px;color:var(--body)}

/* ---------- Steps ---------- */
.steps{display:flex;flex-wrap:wrap;gap:10px;align-items:stretch;margin-bottom:22px}
.step{flex:1 1 200px;display:flex;align-items:center;gap:13px;background:#fff;border:2px solid var(--ink);border-radius:16px;padding:14px 18px;box-shadow:var(--step-sh)}
.step-badge{width:38px;height:38px;flex:0 0 auto;border-radius:10px;display:flex;align-items:center;justify-content:center;font-family:var(--num);font-weight:700;font-size:16px;border:2px solid var(--ink);box-shadow:2px 2px 0 var(--ink)}
.step-badge.b{background:var(--blue);color:#fff}
.step-badge.b2{background:var(--amber);color:var(--ink)}
.step-badge.g{background:var(--green);color:#fff}
.step-title{font-family:var(--disp);font-weight:900;font-size:16px;color:var(--ink);white-space:nowrap}
.step-sub{font-size:12px;color:var(--muted)}

/* ---------- 效果展示 showcase ---------- */
.showcase{background:#fff;border:2px solid var(--ink);border-radius:16px;box-shadow:var(--card-sh);padding:22px 22px 18px;margin:26px 0 22px}
.sc-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 12px;margin-bottom:16px}
.sc-title{font-family:var(--disp);font-weight:900;font-size:19px;color:var(--ink)}
.sc-note{font-size:13px;color:var(--muted);line-height:1.6;flex:1 1 260px;font-weight:500}
.sc-note b{color:var(--blue);font-weight:900}
.sc-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.sc-item{display:flex;flex-direction:column;align-items:center;gap:9px;background:#fff;border:2px solid var(--line);border-radius:14px;padding:16px 10px;min-height:150px;transition:border-color .12s}
.sc-item:hover{border-color:var(--ink)}
.sc-pair{display:flex;align-items:center;justify-content:center;gap:9px;width:100%}
.sc-orig{width:108px;height:108px;border-radius:10px;background:var(--soft);border:2px solid var(--line);object-fit:contain}
.sc-bead{width:108px;height:108px;border-radius:10px;background:var(--board);border:2px solid var(--ink);object-fit:contain}
.sc-arrow{font-family:var(--num);color:var(--amber);font-weight:700;font-size:18px;flex:0 0 auto}
.sc-cap{font-size:12.5px;color:var(--body);text-align:center;line-height:1.5;font-weight:700}
.sc-cap b{color:var(--ink)}
.sc-loading{display:flex;align-items:center;justify-content:center;width:108px;height:108px;border-radius:10px;background:var(--board);border:2px solid var(--ink);color:var(--muted);font-size:12px}
.sc-foot{margin-top:15px;padding-top:14px;border-top:2px dashed var(--line);font-size:13px;color:var(--body);text-align:center;line-height:1.6;font-weight:500}
.sc-foot b{color:var(--ink);font-weight:900}
.sc-lightbox{position:fixed;inset:0;z-index:9999;background:rgba(35,38,47,.82);display:flex;align-items:center;justify-content:center;padding:24px}
.sc-lightbox[hidden]{display:none}
.sc-lightbox img{max-width:92vw;max-height:90vh;border-radius:12px;border:2px solid var(--ink);box-shadow:8px 8px 0 rgba(0,0,0,.4);background:#fff;cursor:zoom-out}
.sc-lb-close{position:fixed;top:16px;right:20px;width:44px;height:44px;border-radius:12px;border:2px solid #fff;background:rgba(255,255,255,.14);color:#fff;font-size:22px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.sc-lb-close:hover{background:rgba(255,255,255,.28)}
@media (max-width:820px){
  .sc-row{grid-template-columns:1fr;max-width:400px;margin:0 auto}
}

/* ---------- Workspace ---------- */
.workspace{display:grid;grid-template-columns:minmax(290px,360px) minmax(0,1fr);gap:18px;align-items:start}
.workspace-main{display:contents}
.col-left,.col-center,.col-result{min-width:0;display:flex;flex-direction:column;gap:18px}
.col-left{position:static}
.col-result{grid-column:1/-1}
.result-guide{display:none}
@media (min-width:1180px){
  .container{max-width:1380px}
  .workspace{grid-template-columns:minmax(280px,310px) minmax(0,1fr);gap:18px}
  .workspace-main{min-width:0;display:grid;grid-template-columns:minmax(470px,1fr) minmax(270px,300px);gap:18px;align-items:start}
  .col-result{grid-column:auto}
  .workspace.is-empty .params-card{display:none}
  .workspace.is-empty #patternCard{display:none}
  .workspace.is-empty .result-guide{display:block}
}
@media (max-width:900px){
  .workspace{grid-template-columns:minmax(0,1fr)}
  .col-left{position:static}
  .col-result{grid-column:auto}
}
/* 空状态按内容自然收口，避免三栏为了等高产生大片卡片内留白。 */
.workspace.is-empty{align-items:start}
#patternCard{flex:1 1 auto;display:flex;flex-direction:column}
#patternCard .empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center}
@media (max-width:820px){ #patternCard{flex:0 1 auto} }
/* 手机端空状态：原图/拼豆预览框别撑成大方块占屏，缩矮些；上传后(去掉 is-empty)恢复正方形好看 */
@media (max-width:820px){ .workspace.is-empty .pane-frame{aspect-ratio:auto;height:148px} }

/* 空状态结果说明：让用户先理解会得到可线下制作的图纸，而不是另一张像素预览。 */
.result-guide{overflow:hidden;background:#fff;border:2px solid var(--ink);border-radius:16px;box-shadow:var(--card-sh);padding:18px}
.result-guide-kicker{display:block;color:var(--green-d);font-size:11px;font-weight:900;line-height:1.4}
.result-guide h2{margin:5px 0 7px;font-size:18px;line-height:1.35;letter-spacing:0}
.result-guide p{margin:0;color:var(--muted);font-size:12px;font-weight:600;line-height:1.55}
.result-guide img{display:block;width:min(164px,72%);height:196px;object-fit:cover;object-position:top center;margin:15px auto 14px;border:2px solid var(--ink);border-radius:8px;background:#fff;box-shadow:3px 3px 0 rgba(35,38,47,.14)}
.result-guide-list{display:grid;gap:0;margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}
.result-guide-list li{display:grid;grid-template-columns:27px minmax(0,1fr);align-items:center;gap:8px;padding:9px 0;border-bottom:1px solid var(--line)}
.result-guide-list li:last-child{border-bottom:0;padding-bottom:0}
.result-guide-list span{font-family:var(--num);font-size:9px;color:var(--blue)}
.result-guide-list b{font-size:12px;line-height:1.35}

/* 结果栏窄而长，方案纵向对比比三个小缩略图并排更清楚。 */
.col-result>.quality-lab{margin-top:0;padding:16px;border-top:2px solid var(--ink)}
.col-result .quality-options{grid-template-columns:1fr}
.col-result .quality-option{display:grid;grid-template-columns:58px minmax(0,1fr);column-gap:9px;align-items:center}
.col-result .quality-option canvas{grid-row:1/3;width:58px}
.col-result .quality-option b,.col-result .quality-option small{grid-column:2;margin-top:0}
.col-result .quality-option small{margin-top:2px}
.col-result .quality-head{display:grid;grid-template-columns:minmax(0,1fr) auto}
.col-result .quality-alert{grid-column:1/-1}
.col-result .card-head .t{font-size:17px}
.col-result .chips{grid-template-columns:1fr}
.col-result .chip{padding:8px}
.result-color-card{margin-top:0}
#wideColorAnchor{display:none}
.workspace>.workspace-showcase{grid-column:1/-1;margin:0}
.workspace-main>.workspace-showcase{grid-column:1/-1;margin:0}
.color-card-compact{padding:0;overflow:hidden}
.color-card-open{display:flex;width:100%;min-height:72px;align-items:center;justify-content:space-between;gap:14px;padding:13px 16px;border:0;background:#fff;color:var(--ink);text-align:left;font-family:var(--disp);cursor:pointer}
.color-card-open:hover{background:#F7F8FC}
.color-card-open:focus-visible{outline:3px solid var(--blue);outline-offset:-3px}
.color-card-copy{display:block;min-width:0}
.color-card-compact .card-head{display:block;margin:0}
.color-card-compact .card-head .t{font-size:16px}
.color-card-meta{display:flex;align-items:center;flex-wrap:wrap;gap:3px 10px;margin-top:4px;color:var(--muted);font-size:11.5px;font-weight:700;line-height:1.4}
.color-card-meta span:first-child{color:var(--ink);font-weight:900}
.color-card-meta span+span::before{content:'✓';margin-right:4px;color:var(--green-d)}
.color-card-open-label{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;min-width:58px;min-height:36px;padding:6px 9px;border:1.5px solid var(--line);border-radius:8px;background:#fff;color:var(--blue-d);font-size:12px;font-weight:900}
.color-card-open-label::after{content:'›';margin-left:7px;font-size:18px;line-height:1}
.color-list-modal{position:fixed;z-index:10020;inset:0;display:grid;place-items:center;padding:24px;background:rgba(28,30,38,.62);backdrop-filter:blur(3px)}
.color-list-modal[hidden]{display:none}
.color-list-dialog{display:flex;flex-direction:column;width:min(720px,100%);max-height:min(82vh,760px);overflow:hidden;background:#fff;border:2px solid var(--ink);border-radius:14px;box-shadow:8px 8px 0 rgba(16,18,24,.28)}
.color-list-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:17px 18px 15px;border-bottom:1px solid var(--line);background:#fff}
.color-list-dialog-head h2{margin:0;color:var(--ink);font-size:18px;line-height:1.3;letter-spacing:0}
.color-list-dialog-head p{margin:4px 0 0;color:var(--muted);font-size:12px;font-weight:800}
.color-list-close{flex:0 0 auto;width:40px;height:40px;display:grid;place-items:center;padding:0;border:2px solid var(--ink);border-radius:8px;background:#fff;color:var(--ink);font-size:23px;font-weight:700;line-height:1;cursor:pointer;box-shadow:2px 2px 0 var(--ink)}
.color-list-close:active{transform:translate(1px,1px);box-shadow:1px 1px 0 var(--ink)}
.color-list-dialog .color-details{min-height:0;overflow:auto;overscroll-behavior:contain;padding:18px}
.color-list-dialog .series-bags{margin-bottom:14px}
.color-list-dialog .chips{grid-template-columns:repeat(2,minmax(0,1fr))}
body.color-list-modal-open{overflow:hidden}
@media(max-width:560px){
  .color-card-open{min-height:66px;padding:11px 13px;gap:9px}
  .color-card-compact .card-head .t{font-size:14px}
  .color-card-meta{font-size:10.5px;gap:2px 7px}
  .color-card-open-label{min-width:56px;min-height:34px;padding:5px 8px}
  .color-list-modal{place-items:end center;padding:0;background:rgba(28,30,38,.56)}
  .color-list-dialog{width:100%;max-height:calc(88dvh - env(safe-area-inset-top,0px));border-width:2px 0 0;border-radius:14px 14px 0 0;box-shadow:0 -7px 24px rgba(16,18,24,.2)}
  .color-list-dialog-head{padding:14px 14px 12px}
  .color-list-dialog-head h2{font-size:17px}
  .color-list-dialog .color-details{padding:14px 14px calc(18px + env(safe-area-inset-bottom,0px))}
  .color-list-dialog .chips{grid-template-columns:1fr;gap:8px}
}
@media (max-width:1179px){
  .col-result .quality-options{grid-template-columns:repeat(3,minmax(0,1fr))}
  .col-result .quality-option{display:block}
  .col-result .quality-option canvas{width:100%}
  .col-result .quality-option b,.col-result .quality-option small{grid-column:auto}
  .col-result .quality-option b{margin-top:6px}
  .col-result .chips{grid-template-columns:repeat(auto-fill,minmax(158px,1fr))}
}

/* ---------- Card ---------- */
.card{background:#fff;border:2px solid var(--ink);border-radius:16px;box-shadow:var(--card-sh);padding:20px}
.card-head{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.card-head .num{width:auto;min-width:30px;height:28px;padding:2px 8px;flex:0 0 auto;border:2px solid var(--ink);border-radius:8px;box-shadow:2px 2px 0 var(--ink);display:flex;align-items:center;justify-content:center;font-family:var(--num);font-weight:700;font-size:14px;background:var(--blue);color:#fff}
.card-head .num.amber{background:var(--amber);color:var(--ink)}
.card-head .num.blue{background:var(--blue)}
.card-head .num.green{background:var(--green)}
.card-head .t{font-family:var(--disp);font-weight:900;font-size:19px;color:var(--ink)}
.card-head .sub{font-size:13px;color:var(--muted);font-weight:700}

/* ---------- Dropzone ---------- */
.dropzone{border:2px dashed #B7BECE;background:var(--soft);border-radius:14px;padding:26px 16px;text-align:center;cursor:pointer;transition:background .15s,border-color .15s}
.dropzone:hover{background:#EEF2FB;border-color:var(--blue)}
.dropzone.drag{background:#EAF0FF;border-color:var(--blue)}
.dz-icon{width:52px;height:52px;margin:0 auto;background:var(--blue);border:2px solid var(--ink);border-radius:12px;box-shadow:3px 3px 0 var(--ink);display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px;animation:floaty 2.6s ease-in-out infinite}
.dz-title{margin-top:14px;font-size:16px;font-weight:900;color:var(--ink)}
.dz-sub{font-size:12px;color:var(--muted);margin-top:6px;font-weight:500}
.dropzone img{max-width:100%;max-height:150px;border-radius:10px;display:none;margin:0 auto 8px;border:2px solid var(--ink)}
.upload-compact{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--soft2);border:2px solid var(--line);border-radius:14px;padding:12px 14px}
.uc-label{font-size:13px;font-weight:700;color:var(--body)}
.uc-btn{cursor:pointer;border:2px solid var(--ink);background:#fff;color:var(--ink);border-radius:10px;padding:7px 13px;font-size:13px;font-weight:900;font-family:var(--disp);box-shadow:2px 2px 0 var(--ink);transition:transform .1s,box-shadow .1s}
.uc-btn:hover{transform:translate(1px,1px);box-shadow:1px 1px 0 var(--ink)}

/* ---------- Samples ---------- */
.samples-hint{font-size:13px;color:var(--body);margin:16px 0 8px;font-weight:700}
.col-left>.card,#modeUpload,#uploadFull{min-width:0}
.samples{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;min-width:0;max-width:100%}
.sample{min-width:0;overflow:hidden;background:#fff;border:2px solid var(--ink);border-radius:12px;padding:8px 4px;cursor:pointer;transition:transform .12s,box-shadow .12s;text-align:center;box-shadow:2px 2px 0 var(--ink)}
.sample:hover{transform:translate(-1px,-1px);box-shadow:3px 3px 0 var(--ink)}
.sample img,.sample canvas{width:100%;min-width:0;max-width:100%;height:auto;border-radius:8px;background:var(--soft2);display:block;image-rendering:pixelated}
.sample .lbl{font-size:11.5px;color:var(--ink);margin-top:6px;font-weight:700}

/* ---------- Fields / sliders ---------- */
.field{margin:18px 0}
.field:first-of-type{margin-top:4px}
.field-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}
.field-head label{font-size:14px;font-weight:900;color:var(--ink)}
.field-head .v{font-family:var(--num);font-weight:700;font-size:22px;line-height:1}
.v.amber{color:var(--blue)} .v.blue{color:var(--red)} .v.green{color:var(--green)} .v.ink{color:var(--body)} .v.violet{color:var(--violet-d)} .v.teal{color:var(--red)}
.hint{font-size:12px;color:var(--muted);margin-top:7px;font-weight:500;line-height:1.6}
.field-label{display:block;font-size:14px;font-weight:900;color:var(--ink);margin-bottom:9px}
.param-divider{font-size:11.5px;font-weight:900;color:var(--muted);letter-spacing:.3px;margin:22px 0 2px;padding-top:16px;border-top:2px dashed var(--line)}
.adv-toggle{width:100%;display:flex;align-items:center;justify-content:space-between;gap:8px;cursor:pointer;background:#fff;border:2px solid var(--line);border-radius:12px;padding:11px 14px;margin:20px 0 0;font-family:var(--disp);font-weight:900;font-size:14px;color:var(--ink);transition:border-color .14s}
.adv-toggle:hover{border-color:var(--ink)}
.adv-toggle .chev{transition:transform .2s;font-family:var(--num);font-size:12px;color:var(--muted)}
.adv-toggle[aria-expanded="true"] .chev{transform:rotate(180deg)}
.adv-body{margin-top:4px}
.seg.lv .seg-btn{font-size:12.5px;padding:8px 3px}
.seg.lv .seg-btn.active{background:var(--ink);color:#fff;box-shadow:none}

input[type=range].slider{
  -webkit-appearance:none;appearance:none;width:100%;height:14px;border-radius:999px;cursor:pointer;
  border:2px solid var(--ink);
  background:linear-gradient(90deg, var(--fill-a,var(--blue)) 0 var(--fill,0%), #E7E9F0 var(--fill,0%) 100%);
}
input[type=range].slider.amber{--fill-a:var(--blue)}
input[type=range].slider.blue{--fill-a:var(--red)}
input[type=range].slider.green{--fill-a:var(--green)}
input[type=range].slider.ink{--fill-a:var(--body)}
input[type=range].slider.violet{--fill-a:var(--violet)}
input[type=range].slider.teal{--fill-a:var(--red)}
input[type=range].slider::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;border-radius:50%;background:#fff;border:7px solid var(--blue);box-shadow:0 0 0 2px var(--ink);cursor:grab}
input[type=range].slider.amber::-webkit-slider-thumb{border-color:var(--blue)}
input[type=range].slider.blue::-webkit-slider-thumb{border-color:var(--red)}
input[type=range].slider.green::-webkit-slider-thumb{border-color:var(--green)}
input[type=range].slider.ink::-webkit-slider-thumb{border-color:var(--body)}
input[type=range].slider.violet::-webkit-slider-thumb{border-color:var(--violet)}
input[type=range].slider.teal::-webkit-slider-thumb{border-color:var(--red)}
input[type=range].slider::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:#fff;border:7px solid var(--blue);box-shadow:0 0 0 2px var(--ink);cursor:grab}

/* ---------- Toggle ---------- */
.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:18px 0;background:var(--soft);border:2px solid var(--line);border-radius:12px;padding:14px}
.toggle-row .lab{font-size:14px;font-weight:900;color:var(--ink)}
.switch{position:relative;width:54px;height:32px;flex:0 0 auto}
.switch input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer;z-index:2}
.switch .track{position:absolute;inset:0;background:#D8D5CE;border:2px solid var(--ink);border-radius:999px;box-shadow:2px 2px 0 var(--ink);transition:background .18s}
.switch .knob{position:absolute;top:4px;left:4px;width:24px;height:24px;box-sizing:border-box;border-radius:50%;background:#fff;border:2px solid var(--ink);box-shadow:0 1px 2px rgba(35,38,47,.28);transition:transform .2s cubic-bezier(.34,1.56,.64,1)}
.switch input:checked ~ .track{background:var(--green)}
.switch input:checked ~ .knob{transform:translateX(22px)}
/* 按下时轨道内凹一点点，更有实体开关手感 */
.switch input:active ~ .knob{transform:scale(.94)}
.switch input:checked:active ~ .knob{transform:translateX(22px) scale(.94)}

/* ---------- Segmented (色卡 / 档位) ---------- */
.seg{display:flex;gap:6px;background:var(--soft2);border:2px solid var(--line);border-radius:12px;padding:5px}
.seg-btn{flex:1;cursor:pointer;border:2px solid transparent;border-radius:9px;padding:9px 6px;font-family:var(--disp);font-weight:900;font-size:12.5px;color:var(--muted);background:transparent;transition:all .12s}
.seg-btn:hover{color:var(--ink)}
.seg-btn.active{color:#fff;background:var(--blue);border-color:var(--ink)}
/* 风格选择：带预览缩略图的卡片（AI 页 #styleSeg，覆盖上面的 pill 样式） */
#styleSeg{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:8px;background:transparent;border:0;padding:0;justify-items:center}
#styleSeg .seg-btn{flex:none;display:flex;flex-direction:column;align-items:center;gap:5px;padding:6px 4px 7px;background:#fff;border:2px solid var(--ink);border-radius:12px;box-shadow:2px 2px 0 rgba(35,38,47,.12);color:var(--ink);width:100%;max-width:120px}
#styleSeg .seg-btn.active{border-color:var(--blue);background:#EEF3FF;color:var(--ink);box-shadow:2px 2px 0 var(--blue)}
#styleSeg .seg-thumb{width:100%;aspect-ratio:1/1;border-radius:9px;overflow:hidden;background:#F6F4F0;display:flex;align-items:center;justify-content:center}
#styleSeg .seg-thumb img{width:100%;height:100%;object-fit:contain;display:block}
#styleSeg .seg-name{font-size:11.5px;font-weight:800;line-height:1.15;text-align:center}
/* 最近 AI 图 条带：本地留存·刷新不丢·点回来免费重用（生成页 #modeAI 上方 + AI 页出图列顶部） */
.aihist{margin:10px 0 4px;padding:9px 11px;background:#F6F4FF;border:2px solid var(--line);border-radius:12px}
.aihist[hidden]{display:none}
.aihist-cap{font-size:12px;font-weight:800;color:var(--muted);margin-bottom:7px}
.aihist-row{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px;-webkit-overflow-scrolling:touch}
.aihist-thumb{flex:0 0 auto;width:58px;height:58px;padding:0;border:2px solid var(--ink);border-radius:10px;overflow:hidden;background:#fff;cursor:pointer;box-shadow:2px 2px 0 rgba(35,38,47,.12)}
.aihist-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.aihist-thumb:active{transform:translateY(1px)}

select{width:100%;padding:10px 12px;border:2px solid var(--line);border-radius:12px;background:#fff;font-size:13px;font-weight:700;color:var(--ink);font-family:'Noto Sans SC',sans-serif;cursor:pointer}
textarea{width:100%;padding:10px 12px;border:2px solid var(--line);border-radius:12px;background:#fff;font-size:13px;font-family:var(--num);resize:vertical;line-height:1.6;color:var(--ink)}
select:focus,textarea:focus{outline:none;border-color:var(--ink)}

/* ---------- Series checkboxes (按系列勾选) ---------- */
.series-chips{display:flex;flex-wrap:wrap;gap:6px}
.series-chip{cursor:pointer;border:2px solid var(--line);background:#fff;color:var(--muted);border-radius:10px;padding:6px 9px;font-family:var(--num);font-weight:700;font-size:13px;display:flex;align-items:baseline;gap:4px;transition:all .12s}
.series-chip small{font-family:'Noto Sans SC';font-weight:700;font-size:10.5px;color:var(--faint)}
.series-chip.active{border-color:var(--ink);background:#EAF0FF;color:var(--blue)}
.series-chip.active small{color:var(--blue-d)}
.series-chip:not(.active){opacity:.7}

/* ---------- Series-bag summary (照着买) ---------- */
.series-bags{background:#FFF7E4;border:2px solid var(--ink);border-radius:14px;padding:14px;margin-bottom:14px;box-shadow:3px 3px 0 rgba(35,38,47,.12)}
.sb-title{font-size:13px;font-weight:900;color:var(--amber-d);margin-bottom:9px}
.sb-list{display:flex;flex-wrap:wrap;gap:8px}
.sb-pill{display:inline-flex;align-items:center;gap:5px;background:#fff;border:2px solid var(--ink);border-radius:999px;padding:5px 11px;font-family:var(--num);font-weight:700;font-size:13px;color:var(--ink)}
.sb-pill .sb-dot{width:14px;height:14px;border-radius:50%;border:2px solid var(--ink)}
.sb-pill b{color:var(--amber-d)}
.sb-pill small{font-family:'Noto Sans SC';font-weight:700;font-size:10.5px;color:var(--muted)}
.sb-cta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.sb-btn{cursor:pointer;border:2px solid var(--ink);background:#fff;color:var(--ink);border-radius:10px;padding:8px 15px;font-size:13px;font-weight:900;font-family:var(--disp),sans-serif;box-shadow:2px 2px 0 var(--ink);transition:transform .1s,box-shadow .1s}
.sb-btn:hover{transform:translate(1px,1px);box-shadow:1px 1px 0 var(--ink)}
.sb-btn.buy{color:#fff;background:var(--amber);color:var(--ink)}

/* ---------- Buttons ---------- */
.btn-primary{width:100%;cursor:pointer;border:2px solid var(--ink);border-radius:12px;padding:14px;margin-top:8px;font-family:var(--disp);font-weight:900;font-size:17px;color:#fff;background:var(--blue);box-shadow:4px 4px 0 var(--ink);transition:transform .1s, box-shadow .1s}
.btn-primary:hover{transform:translate(1px,1px);box-shadow:3px 3px 0 var(--ink)}
.btn-primary:active{transform:translate(4px,4px);box-shadow:0 0 0 var(--ink)}
.btn-primary:disabled{opacity:.5;cursor:not-allowed;background:#AEB9CC;box-shadow:4px 4px 0 rgba(35,38,47,.2)}
.hifi-btn{width:100%;cursor:pointer;border:2px solid var(--ink);border-radius:12px;padding:13px;margin-top:16px;font-family:var(--disp);font-weight:900;font-size:15px;color:var(--ink);background:var(--amber);box-shadow:3px 3px 0 var(--ink);transition:transform .1s, box-shadow .1s}
.hifi-btn:hover{transform:translate(1px,1px);box-shadow:2px 2px 0 var(--ink)}
.hifi-btn:active{transform:translate(3px,3px);box-shadow:0 0 0 var(--ink)}
.fit-btn{display:block;width:100%;cursor:pointer;margin-top:8px;border:2px solid var(--ink);border-radius:10px;padding:9px 10px;font-family:var(--disp);font-weight:900;font-size:13px;color:var(--ink);background:#EBFAF1;box-shadow:2px 2px 0 var(--ink);transition:transform .1s, box-shadow .1s}
.fit-btn[hidden]{display:none}
.fit-btn:hover{transform:translate(1px,1px);box-shadow:1px 1px 0 var(--ink)}
.status{font-size:12px;color:var(--muted);min-height:16px;margin-top:10px;text-align:center;font-weight:500}
.status:empty{display:none}

/* ---------- Preview panes ---------- */
.preview-head-row{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.preview-head-row .card-head{display:flex;align-items:center;gap:10px;flex:1 1 auto;min-width:0;margin:0}
.preview-head-row .card-head .t{flex:1 1 auto;min-width:0}
.preview-head-row .pattern-actions{flex:0 0 auto}
.pattern-engine{display:none!important}
.reset-btn{cursor:pointer;border:2px solid var(--ink);background:#fff;color:var(--ink);border-radius:10px;padding:6px 12px;font-size:12.5px;font-weight:900;font-family:var(--disp);box-shadow:2px 2px 0 var(--ink);transition:transform .1s,box-shadow .1s}
.reset-btn:hover{transform:translate(1px,1px);box-shadow:1px 1px 0 var(--ink)}
.panes{display:flex;flex-wrap:wrap;gap:14px}
.pane{flex:1 1 200px;min-width:0}
.pane-cap{position:relative;display:flex;align-items:center;justify-content:center;min-height:30px;font-size:12.5px;font-weight:900;margin-bottom:7px;text-align:center}
.pane-cap.orig{color:var(--body)} .pane-cap.bead{color:var(--blue)}
.preview-expand{position:absolute;right:0;top:0;width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;border:1.5px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font-size:17px;font-weight:900;line-height:1;box-shadow:1px 1px 0 var(--ink)}
.preview-expand[hidden]{display:none}
.preview-expand:hover{background:#F4F1FF;border-color:var(--violet)}
.pane-frame{position:relative;aspect-ratio:1/1;border-radius:14px;border:2px solid var(--line);display:flex;align-items:center;justify-content:center;overflow:hidden;padding:8px}
.crop-layer{position:absolute;touch-action:none}
.crop-box{position:absolute;border:2px solid #fff;box-shadow:0 0 0 9999px rgba(35,38,47,.5);cursor:move;box-sizing:border-box}
.crop-box .ch{position:absolute;width:16px;height:16px;background:#fff;border:2px solid var(--ink);border-radius:50%;box-sizing:border-box}
.ch[data-h=nw]{left:-9px;top:-9px;cursor:nwse-resize}
.ch[data-h=ne]{right:-9px;top:-9px;cursor:nesw-resize}
.ch[data-h=sw]{left:-9px;bottom:-9px;cursor:nesw-resize}
.ch[data-h=se]{right:-9px;bottom:-9px;cursor:nwse-resize}
.crop-reset{display:flex;align-items:center;justify-content:center;text-align:center;margin:8px auto 0;cursor:pointer;border:2px solid var(--ink);background:#fff;color:var(--ink);border-radius:10px;padding:6px 12px;font-size:12.5px;font-weight:900;font-family:var(--disp);box-shadow:2px 2px 0 var(--ink)}
.quick-adjust-tools{margin-top:9px;padding-top:8px;border-top:1px dashed var(--line)}
.quick-adjust-label{margin-bottom:6px;color:var(--muted);font-size:11px;font-weight:900;line-height:1.2;text-align:center}
/* 裁剪 + 纯色去底 并排一行（各占一半）*/
.crop-actions{display:flex;gap:8px;margin-top:0}
.crop-actions .crop-reset{flex:1;margin:0;box-sizing:border-box;min-width:0;padding-left:7px;padding-right:7px;white-space:normal;overflow-wrap:anywhere;line-height:1.25}
.crop-cancel{width:100%;box-sizing:border-box;margin:8px 0 0;background:#f7f5f1;color:#5f584f}
.quick-cutbg.active{background:#E7F8EF;color:#176C4A;box-shadow:2px 2px 0 #176C4A}
.mirror-btn.active{background:#EEEAFE;color:#5545C8;box-shadow:2px 2px 0 #5545C8}
.crop-reset:hover{transform:translate(1px,1px);box-shadow:1px 1px 0 var(--ink)}
.crop-ratios{display:none;flex-wrap:nowrap;gap:6px;align-items:center;justify-content:safe center;margin:9px auto 0;overflow-x:auto;overscroll-behavior-inline:contain;padding:0 3px 3px;scrollbar-width:none}
.crop-ratios::-webkit-scrollbar{display:none}
.crop-ratios .cr-lab{flex:0 0 auto;white-space:nowrap;font-size:12px;font-weight:900;color:var(--muted);margin-right:2px}
.cr-btn{flex:0 0 auto;white-space:nowrap;cursor:pointer;border:2px solid var(--ink);background:#fff;color:var(--ink);border-radius:999px;padding:6px 12px;font-size:12.5px;font-weight:900;font-family:var(--disp);box-shadow:2px 2px 0 var(--ink);transition:transform .08s}
.crop-ratios .crop-reset{flex:0 0 auto;white-space:nowrap;margin:0}
.cr-btn:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--ink)}
.cr-btn.on{background:var(--violet);color:#fff}
@media (pointer:coarse){ .crop-box .ch{width:19px;height:19px} .crop-box .ch::before{content:"";position:absolute;inset:-13px} }  /* 触屏:扩大角手柄热区到 ~44px 好按 */
.pane-frame.orig{background:var(--soft);border-color:var(--line)}
.pane-frame.bead{background:var(--board);border-color:var(--ink);box-shadow:inset 0 0 0 2px #fff}
.pane-frame img,.pane-frame canvas{display:block;width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;flex:none;border-radius:6px}
.chart-pane{flex:1.35 1 250px}
.chart-pane .pane-cap{margin-bottom:5px}
.preview-chart-tools{min-height:34px;margin:0 0 8px;gap:6px;flex-wrap:nowrap}
.preview-chart-tools .tool-btn{min-height:32px;padding:5px 10px;border-radius:8px;box-shadow:1px 1px 0 var(--ink);font-size:12px}
.preview-chart-tools .zoom-icon-btn{width:34px;padding:0;font-size:18px;line-height:1}
.preview-chart-tools .hint{min-width:0;margin-left:auto;color:var(--muted);font-size:10.5px;font-weight:700;line-height:1.25;text-align:right}
.chart-pane-frame{padding:0;overflow:hidden;align-items:stretch;background:#fff}
.chart-pane-frame .preview-chart-wrap{width:100%;height:100%;max-height:none;padding:8px;border:0;border-radius:12px;text-align:left;overscroll-behavior:contain;touch-action:pan-x pan-y}
.chart-pane-frame .preview-chart-wrap canvas{display:block;max-width:none;max-height:none;margin-inline:auto;border-radius:0;image-rendering:pixelated}
.chart-pane .chart-note{margin-top:6px;text-align:center;font-size:10.5px;line-height:1.35}
.pane-frame img.is-mirrored{transform:scaleX(-1)}
.pane-empty{color:var(--faint);font-size:12.5px;text-align:center;padding:10px;font-weight:700}
.pane-empty .ic{font-size:26px;display:block;margin-bottom:6px}

/* 原图 / 拼豆效果共用的放大查看层；不改变卡片中的真实元素，避免裁剪框错位。 */
.preview-viewer[hidden]{display:none}
.preview-viewer{position:fixed;inset:0;z-index:12000;display:flex;flex-direction:column;background:rgba(20,22,29,.88);backdrop-filter:blur(5px)}
.preview-viewer-bar{flex:0 0 auto;display:flex;align-items:center;gap:8px;padding:10px max(12px,env(safe-area-inset-right)) 10px max(12px,env(safe-area-inset-left));background:#fff;border-bottom:2px solid var(--ink)}
.preview-viewer-title{min-width:0;flex:1;font-size:14px;font-weight:900;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.preview-viewer-btn{width:42px;height:40px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;border:2px solid var(--ink);border-radius:9px;background:#fff;color:var(--ink);font-family:var(--disp);font-size:19px;font-weight:900;line-height:1;box-shadow:2px 2px 0 var(--ink)}
.preview-viewer-btn:active{transform:translate(1px,1px);box-shadow:1px 1px 0 var(--ink)}
.preview-viewer-stage{flex:1;min-height:0;display:flex;align-items:flex-start;justify-content:flex-start;overflow:auto;overscroll-behavior:contain;padding:18px;touch-action:pan-x pan-y;background:#2A2D35}
.preview-viewer-content{position:relative;flex:0 0 auto;margin:auto;background:#fff;border:2px solid var(--ink);border-radius:10px;box-shadow:5px 5px 0 rgba(0,0,0,.34);overflow:hidden}
.preview-viewer-content img,.preview-viewer-content canvas{display:block;width:100%;height:100%;max-width:none;max-height:none;object-fit:contain;image-rendering:auto}
.preview-viewer-content canvas{image-rendering:pixelated}
body.preview-viewer-open{overflow:hidden}
@media(max-width:620px){
  .preview-head-row{align-items:stretch;flex-direction:column;gap:10px}
  .preview-head-row .pattern-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%;gap:8px}
  .preview-head-row .pattern-actions>*{width:100%;min-width:0;box-sizing:border-box;padding:10px 8px}
  .preview-viewer-bar{padding-top:max(10px,env(safe-area-inset-top))}
  .preview-viewer-stage{padding:10px}
}

/* ---------- Stats strip ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:14px}
.stat{background:#fff;border:2px solid var(--line);border-radius:12px;padding:11px 8px;text-align:center}
.stat .n{font-family:var(--num);font-weight:700;font-size:17px;line-height:1.1;white-space:nowrap}
.stat .l{font-size:11px;color:var(--muted);margin-top:4px;font-weight:700}
.stat.blue .n{color:var(--blue)} .stat.amber .n{color:var(--amber-d)} .stat.green .n{color:var(--green)}
.stat .l{white-space:nowrap}
.preview-next-step{display:flex;align-items:center;gap:14px;margin-top:14px;padding:12px 13px;border:2px solid var(--line);border-radius:12px;background:#F8F7FF}
.preview-next-copy{display:flex;flex:1 1 auto;min-width:0;flex-direction:column;gap:3px}
.preview-next-copy b{color:var(--ink);font-size:13.5px;font-weight:900;line-height:1.3}
.preview-next-copy span{color:var(--body);font-size:11.5px;font-weight:650;line-height:1.45}
.preview-next-step .pattern-actions{flex:0 0 auto;flex-wrap:nowrap}
.workspace.is-empty .quick-adjust-tools,.workspace.is-empty .preview-next-step{display:none}
/* 手机端：4 个统计块挤成 2×2，避免「用色数」被压窄竖排、列宽不均 */
@media (max-width:620px){
  .preview-next-step{align-items:stretch;flex-direction:column;padding:11px}
  .preview-next-copy{text-align:center}
  .preview-next-step .pattern-actions{display:grid;grid-template-columns:minmax(0,1fr) auto;width:100%;gap:8px}
  .preview-next-step .pattern-actions>*{min-width:0;box-sizing:border-box}
  .preview-next-step .pattern-save-case:not([hidden]){grid-column:1/-1}
  .preview-next-step .pattern-edit-main{padding:11px 12px}
  .preview-next-step .pattern-new{display:flex;align-items:center;justify-content:center;padding:9px 11px}
}
@media (max-width:560px){ .stats{grid-template-columns:repeat(2,1fr)} }
@media (max-width:560px){
  .preview-chart-tools{display:grid!important;grid-template-columns:38px 38px minmax(92px,auto) 1fr}
  .preview-chart-tools .hint{align-self:center}
  .workspace.is-empty .preview-chart-tools{display:none!important}
}

/* ---------- Quality choices + buildability ---------- */
.quality-lab{margin-top:14px;padding-top:14px;border-top:2px solid var(--line)}
.quality-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.quality-copy{min-width:0}.quality-copy strong{display:block;font-size:14px}.quality-copy p{margin:3px 0 0;color:var(--muted);font-size:11.5px;line-height:1.45}
.quality-grade{flex:0 0 auto;min-width:68px;border:2px solid var(--ink);border-radius:8px;background:#EBFAF1;padding:6px 8px;text-align:center}
.quality-grade b{display:block;font-family:var(--num);font-size:18px;line-height:1}.quality-grade span{display:block;margin-top:3px;font-size:9.5px;font-weight:900;color:#39715A}
.quality-grade.warn{background:#FFF3D8}.quality-grade.warn span{color:#946100}
.quality-alert{margin-top:9px;border-left:4px solid var(--amber-d);background:#FFF7E6;padding:8px 10px;color:#77520A;font-size:11.5px;font-weight:700;line-height:1.45}
.quality-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:11px}
.quality-option{min-width:0;cursor:pointer;border:2px solid var(--line);border-radius:8px;background:#fff;padding:7px;text-align:left;font-family:var(--disp);transition:border-color .12s,background-color .12s,transform .12s}
.quality-option:hover{transform:translateY(-1px);border-color:#9A91C8}.quality-option.on{border-color:var(--ink);background:#F0EDFF;box-shadow:2px 2px 0 var(--ink)}
.quality-option canvas{display:block;width:100%;aspect-ratio:1/1;object-fit:contain;border:1px solid #DDD7CE;border-radius:6px;background:var(--board)}
.quality-option b,.quality-option small{display:block;overflow-wrap:anywhere;letter-spacing:0}.quality-option b{margin-top:6px;font-size:12px}.quality-option small{margin-top:2px;color:var(--muted);font-size:9.5px;line-height:1.35}
.quality-loading{margin-top:10px;color:var(--muted);font-size:11.5px;font-weight:700;text-align:center}
@media(max-width:560px){.quality-head{align-items:center}.quality-options{display:flex;overflow-x:auto;padding:0 2px 4px;scroll-snap-type:x mandatory}.quality-option{flex:0 0 126px;scroll-snap-align:start}.quality-copy p{font-size:11px}}

/* ---------- Chart / pattern ---------- */
.chart-tools{display:none;gap:8px;align-items:center;margin-bottom:10px;flex-wrap:wrap}
.chart-tools .spacer{flex:1}
.tool-btn{cursor:pointer;border:2px solid var(--ink);background:#fff;color:var(--ink);border-radius:10px;padding:6px 12px;font-size:13px;font-weight:900;font-family:var(--disp);box-shadow:2px 2px 0 var(--ink);transition:transform .1s,box-shadow .1s}
.tool-btn:hover{transform:translate(1px,1px);box-shadow:1px 1px 0 var(--ink)}
/* 豆数/颜色数的 −／＋ 步进器（手机拖滑块难对准，给个大按钮精确 ±1）*/
.stepper{display:flex;align-items:center;gap:8px}
.stepper .v{min-width:34px;text-align:center}
.step-btn{width:34px;height:30px;display:flex;align-items:center;justify-content:center;cursor:pointer;border:2px solid var(--ink);background:#fff;color:var(--ink);border-radius:9px;font-size:19px;font-weight:900;font-family:var(--disp);line-height:1;box-shadow:2px 2px 0 var(--ink);padding:0}
.step-btn:active{transform:translate(1px,1px);box-shadow:1px 1px 0 var(--ink)}
/* 触屏交互：① 点按不触发双击缩放 + 去掉 300ms 延迟(点着更跟手)；② hover 只在真有鼠标时生效(否则 iOS 点完 hover 卡在"按下"态=按钮像塌了)；③ 补 :active 点按反馈 */
button,.aip-card{touch-action:manipulation}
@media (hover:none){
  .tool-btn:hover,.reset-btn:hover,.uc-btn:hover,.sb-btn:hover,.crop-reset:hover{transform:none;box-shadow:2px 2px 0 var(--ink)}
}
.tool-btn:active,.reset-btn:active,.uc-btn:active,.sb-btn:active,.crop-reset:active{transform:translate(1px,1px);box-shadow:1px 1px 0 var(--ink)}
.chart-wrap{display:none;max-height:min(64vh,620px);overflow:auto;overscroll-behavior:contain;border:2px solid var(--line);border-radius:14px;background:#fff;padding:10px;text-align:center}
.chart-wrap canvas{image-rendering:pixelated;display:inline-block}
.chart-note{font-size:12px;color:var(--muted);margin-top:9px;font-weight:500}

/* ---------- Empty placeholders ---------- */
.empty{border:2px dashed #B7BECE;border-radius:14px;background:var(--soft);padding:20px 16px;text-align:center;color:var(--faint)}
.empty .ic{font-size:24px;display:block;margin-bottom:6px}
.empty .tx{font-size:13px;font-weight:700}

/* ---------- Color chips (色号清单) ---------- */
.chips{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:10px}
.chip{background:#fff;border:2px solid var(--line);border-radius:12px;padding:10px;display:flex;align-items:center;gap:10px}
.chip-sw{width:34px;height:34px;flex:0 0 auto;border-radius:9px;display:flex;align-items:center;justify-content:center;font-family:var(--num);font-weight:700;font-size:11px;border:2px solid var(--ink);box-shadow:inset 0 0 0 3px rgba(255,255,255,.5)}
.chip-info{flex:1;min-width:0}
.chip-top{display:flex;justify-content:space-between;align-items:baseline;gap:6px}
.chip-name{font-size:13px;color:var(--ink);font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chip-code{font-family:var(--num);font-weight:700;font-size:11px;color:var(--muted);flex:0 0 auto}
.chip-barwrap{height:6px;border-radius:999px;background:#E7E9F0;border:1px solid var(--line);margin:6px 0 4px;overflow:hidden}
.chip-bar{height:100%;border-radius:999px}
.chip-count{font-family:var(--num);font-weight:700;font-size:15px;color:var(--ink)}
.chip-count small{font-size:11px;font-weight:700;color:var(--muted);margin-left:2px}

/* ---------- Export card ---------- */
.export-card{background:#fff}
.export-grid{display:none;flex-wrap:nowrap;gap:8px}
.export-grid .btn3d{flex:1 1 0;min-width:0;padding:12px 8px;font-size:14px;white-space:nowrap;box-shadow:3px 3px 0 var(--ink)}
/* 联系我 footer */
.site-foot{padding:0 20px;border-top:2px dashed var(--line);margin-top:8px;background:rgba(255,255,255,.28)}
.site-foot-inner{position:relative;width:min(1080px,100%);margin:0 auto;padding:26px 0 24px}
.foot-contact-row{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.foot-msg{font-size:15px;color:var(--ink);font-weight:800;margin:0;text-align:left}
.foot-btns{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}
.foot-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:40px;cursor:pointer;text-decoration:none;border:2px solid var(--ink);background:#fff;border-radius:8px;padding:8px 18px;font-family:var(--disp);font-weight:900;font-size:13.5px;color:var(--ink);box-shadow:3px 3px 0 var(--ink);transition:transform .1s,box-shadow .1s}
.foot-btn:hover{transform:translate(1px,1px);box-shadow:2px 2px 0 var(--ink)}
.foot-pop{position:absolute;z-index:30;top:0;left:0;width:266px;max-width:calc(100% - 16px);box-sizing:border-box;margin:0;background:#fff;border:2px solid var(--ink);border-radius:12px;padding:16px;box-shadow:5px 5px 0 rgba(42,37,61,.2)}
.foot-pop::before{content:"";position:absolute;top:-7px;left:var(--foot-arrow-left,50%);width:12px;height:12px;background:#fff;border-left:2px solid var(--ink);border-top:2px solid var(--ink);transform:translateX(-50%) rotate(45deg)}
.foot-pop[hidden]{display:none}
.wx-pop{width:232px;text-align:center}
.mail-addr{font-family:var(--num);font-size:14px;font-weight:700;color:var(--ink);word-break:break-all;user-select:all;line-height:1.4}
.mail-send{display:inline-block;margin-top:10px;color:var(--blue);font-family:var(--disp);font-weight:900;font-size:14px;text-decoration:none}
.mail-send:hover{text-decoration:underline}
.wx-qr-img{display:block;width:180px;max-width:100%;height:auto;margin:0 auto;border-radius:8px;border:2px solid var(--ink)}
.wx-note{font-size:12.5px;color:var(--muted);margin-top:10px;font-weight:500}
.foot-link-grid{display:grid;grid-template-columns:1fr 1.35fr 1fr;gap:32px;padding:21px 0 19px;text-align:left}
.foot-link-group>strong{display:block;margin-bottom:9px;color:var(--ink);font-size:12px;font-weight:900}
.foot-link-list{display:flex;flex-wrap:wrap;align-items:center;gap:7px 14px}
.foot-link-list a{color:var(--body);font-size:12px;font-weight:700;text-decoration:none;line-height:1.45}
.foot-link-list a:hover{color:var(--violet);text-decoration:underline}
.foot-link-primary .foot-link-list a{color:#21835f;font-weight:800}
.foot-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:14px;border-top:1px solid var(--line);text-align:left}
.foot-bottom>b{color:var(--ink);font-family:var(--num);font-size:12px;letter-spacing:0}
.foot-brand{font-size:11.5px;color:var(--faint);margin:0;font-family:var(--num);text-align:right}
@media(max-width:700px){
  .site-foot{padding:0 16px}
  .site-foot-inner{padding:22px 0 calc(24px + env(safe-area-inset-bottom,0px))}
  .foot-contact-row{align-items:stretch;flex-direction:column;gap:13px;padding-bottom:18px}
  .foot-msg{text-align:left;line-height:1.5}
  .foot-btns{justify-content:flex-start;flex-wrap:nowrap}
  .foot-btn{flex:1;min-width:0;padding:8px 10px}
  .foot-pop{padding:14px}
  .wx-pop{width:216px}
  .wx-qr-img{width:168px}
  .foot-link-grid{grid-template-columns:1fr;gap:18px;padding:19px 0 17px}
  .foot-link-group>strong{margin-bottom:7px}
  .foot-bottom{align-items:flex-start;flex-direction:column;gap:5px;padding-top:13px}
  .foot-brand{text-align:left;line-height:1.45}
}

/* 强大功能 营销展示区 */
.features{padding:34px 20px 46px}
.features-inner{max-width:1080px;margin:0 auto}
.features-head{text-align:center;margin-bottom:24px}
.features-head h2{font-family:var(--disp);font-weight:900;font-size:25px;color:var(--ink);margin:0;letter-spacing:.5px}
.features-head p{font-size:13.5px;color:var(--body);margin:7px 0 0;font-weight:500}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.feat{display:flex;gap:13px;background:#fff;border:2px solid var(--ink);border-radius:16px;padding:17px 18px;box-shadow:var(--step-sh)}
.feat-ic{width:42px;height:42px;flex:0 0 auto;border-radius:10px;border:2px solid var(--ink);display:flex;align-items:center;justify-content:center;font-size:21px}
.feat-ic.ic-a{background:#EAF1FF}.feat-ic.ic-b{background:#F3EFFF}.feat-ic.ic-c{background:#FFF0F6}
.feat-ic.ic-d{background:#E7F8F0}.feat-ic.ic-e{background:#FFF4E0}.feat-ic.ic-f{background:#EAF6FF}
.feat h3{font-family:var(--disp);font-weight:900;font-size:15.5px;color:var(--ink);margin:0 0 4px}
.feat p{font-size:12.5px;color:var(--body);line-height:1.6;margin:0;font-weight:500}
@media (max-width:900px){ .features-grid{grid-template-columns:repeat(2,1fr)} }
@media (max-width:560px){ .features-grid{grid-template-columns:1fr} }

.preset-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.preset-chip{display:flex;flex-direction:column;align-items:center;gap:3px;cursor:pointer;border:2px solid var(--ink);background:#fff;border-radius:12px;padding:11px 4px;font-family:inherit;font-size:21px;line-height:1;box-shadow:2px 2px 0 var(--ink);transition:transform .1s,box-shadow .1s}
.preset-chip span{font-size:12px;font-weight:900;color:var(--body)}
.preset-chip:hover{transform:translate(1px,1px);box-shadow:1px 1px 0 var(--ink)}
.preset-chip.active{background:#EAF0FF}
.preset-chip.active span{color:var(--blue)}
@media (max-width:430px){ .preset-row{grid-template-columns:repeat(2,1fr)} }
.pixel-tune{container-type:inline-size;margin:16px -22px 2px;padding:15px 22px 16px;background:#F7F8FB;border-top:1px solid #E1E5ED;border-bottom:1px solid #E1E5ED}
.pixel-tune-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:10px}
.pixel-tune-title{min-width:0;font-size:14px;font-weight:900;color:var(--ink);line-height:1.35}
.pixel-tune-title small{display:block;margin-top:3px;color:#777E8D;font-size:11.5px;font-weight:600;line-height:1.45}
.pixel-tune-reset{display:flex;align-items:center;justify-content:center;flex:0 0 auto;width:34px;height:34px;padding:0;border:1px solid #D8DDE7;border-radius:8px;background:#fff;color:#515866;box-shadow:0 1px 2px rgba(35,38,47,.05);font-size:17px;font-weight:900;cursor:pointer;transition:border-color .14s,background-color .14s,color .14s,transform .1s}
.pixel-tune-reset:hover{border-color:#AEB6C5;background:#F0F3F8;color:var(--ink)}
.pixel-tune-reset:active{transform:translateY(1px)}
.pixel-tune-reset.is-cancel{width:auto;min-width:76px;padding:0 10px;border-color:#C7D3ED;background:#EEF3FF;color:#3157B7;font-size:11.5px;white-space:nowrap}
.pixel-tune .preset-row{gap:8px}
.pixel-tune .preset-chip{position:relative;min-width:0;min-height:50px;gap:5px;padding:7px 7px;border:1px solid #D8DDE7;border-radius:9px;background:#fff;box-shadow:0 1px 2px rgba(35,38,47,.04);font-size:18px;line-height:1;transition:border-color .14s,background-color .14s,box-shadow .14s,transform .1s}
.pixel-tune .preset-chip span{color:#4F5665;font-size:12px;line-height:1.25;letter-spacing:0;overflow-wrap:anywhere}
.pixel-tune .preset-chip:hover{transform:translateY(-1px);border-color:#AEB7C7;box-shadow:0 3px 8px rgba(35,38,47,.07)}
.pixel-tune .preset-chip.active{border-color:var(--blue);background:#EDF2FF;box-shadow:inset 0 0 0 1px var(--blue),0 2px 6px rgba(61,107,224,.12)}
.pixel-tune .preset-chip.active::after{content:'✓';position:absolute;top:6px;right:7px;color:var(--blue);font-size:10px;font-weight:900}
.pixel-tune .preset-chip.active span{color:#294FAE}
.pixel-tone-grid{display:grid;grid-template-columns:1fr;gap:8px;margin-top:12px;padding-top:12px;border-top:1px solid #E1E5ED}
.pixel-tone{min-width:0;display:grid;grid-template-columns:minmax(68px,auto) minmax(70px,1fr) auto;align-items:center;gap:8px}
.pixel-tone-label{display:contents;color:#4F5665;font-size:12px;font-weight:800}
.pixel-tone-label>span{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pixel-tone-value{display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:22px;padding:0 6px;border:1px solid #DCE1EA;border-radius:6px;background:#fff;color:var(--blue);font-family:var(--disp);font-size:11.5px;font-weight:900;font-variant-numeric:tabular-nums}
.pixel-tone .slider{grid-column:2;grid-row:1;height:10px;border-width:1.5px;border-color:#454B58;background:linear-gradient(90deg, var(--fill-a,var(--blue)) 0 var(--fill,50%), #E2E6EE var(--fill,50%) 100%)}
.pixel-tone .pixel-tone-value{grid-column:3;grid-row:1}
.pixel-tone .slider::-webkit-slider-thumb{width:20px;height:20px;border-width:5px;box-shadow:0 0 0 1.5px var(--ink)}
.pixel-tone .slider::-moz-range-thumb{width:17px;height:17px;border-width:5px;box-shadow:0 0 0 1.5px var(--ink)}
.pixel-tune-note{display:flex;align-items:flex-start;gap:7px;margin-top:10px;color:#7B8290;font-size:11px;font-weight:600;line-height:1.45}
.pixel-tune-note::before{content:'i';display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:16px;height:16px;margin-top:1px;border:1px solid #C5CBD7;border-radius:50%;color:#6C7483;font-size:10px;font-weight:900}
@container (max-width:560px){
  .pixel-tune .preset-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pixel-tune .preset-chip{min-height:50px;flex-direction:row;justify-content:flex-start;padding:7px 10px;text-align:left}
}
@media (max-width:560px){
  .pixel-tune{margin-left:-15px;margin-right:-15px;padding-left:15px;padding-right:15px}
  .pixel-tune .preset-row{grid-template-columns:repeat(2,minmax(0,1fr))}
}
.export-hint{display:none;margin-top:10px;font-size:12px;color:var(--muted);line-height:1.5;font-weight:500}
.wm-toggle{display:none;align-items:center;gap:8px;margin-top:12px;font-size:13px;font-weight:700;color:var(--ink);cursor:pointer;user-select:none;flex-wrap:wrap}
.wm-toggle input{width:17px;height:17px;flex:0 0 auto;accent-color:var(--blue);cursor:pointer}
.wm-toggle small{width:100%;padding-left:25px;color:var(--muted);font-size:11px;font-weight:500;margin-top:-2px}
.btn3d{display:flex;align-items:center;justify-content:center;text-align:center;cursor:pointer;border:2px solid var(--ink);border-radius:12px;padding:12px 16px;font-family:var(--disp);font-weight:900;font-size:15px;color:#fff;box-shadow:4px 4px 0 var(--ink);transition:transform .1s, box-shadow .1s;flex:1 1 150px}
.btn3d:hover{transform:translate(1px,1px);box-shadow:3px 3px 0 var(--ink)}
.btn3d:active{transform:translate(4px,4px);box-shadow:0 0 0 var(--ink)}
.btn3d.blue{background:var(--blue)}
.btn3d.violet{background:var(--violet)}
.btn3d.green{background:var(--green)}
.btn3d.craft{background:#F7F2EA;color:#6F6254}
.btn3d.neutral{background:#fff;color:var(--ink)}
.share-link-btn{width:auto;margin-top:0}
.share-link-btn:hover{box-shadow:2px 2px 0 var(--ink)}
.share-link-btn:disabled{cursor:wait;opacity:.78;transform:none;box-shadow:2px 2px 0 var(--ink)}

/* 拼豆辅助：图纸生成后可开关网格线 + 调分区粗线步长（按拼豆板尺寸分区，拼完一区=一块板）*/
.grid-aid{display:flex;flex-direction:column;align-items:flex-start;gap:9px;padding:11px 14px;margin-bottom:9px;background:#F6F3FF;border:1.5px solid #E0D8FF;border-radius:11px;font-size:12.5px}
.grid-aid .ga-head{display:flex;align-items:baseline;gap:9px;flex-wrap:wrap}
.grid-aid .ga-desc{font-size:11.5px;color:var(--muted);font-weight:600;line-height:1.45}
.grid-aid .ga-controls{display:flex;align-items:center;gap:13px;flex-wrap:wrap}
.grid-aid .ga-b small{font-weight:600;opacity:.82}
.grid-aid .ga-title{font-weight:900;color:var(--violet-d,#5A48D8);white-space:nowrap}
.grid-aid .ga-tog{display:inline-flex;align-items:center;gap:5px;font-weight:700;color:var(--ink);cursor:pointer;user-select:none;white-space:nowrap}
.grid-aid .ga-tog input{width:15px;height:15px;accent-color:var(--violet,#7C5CFC);cursor:pointer}
.grid-aid .ga-block{display:inline-flex;align-items:center;gap:6px;flex-wrap:wrap}
.grid-aid .ga-lbl{font-weight:700;color:var(--muted);white-space:nowrap}
.grid-aid .ga-b{cursor:pointer;border:1.5px solid #C9BDF5;background:#fff;color:var(--violet-d,#5A48D8);border-radius:8px;padding:5px 11px;font-size:12px;font-weight:800;transition:.1s;white-space:nowrap}
.grid-aid .ga-b.on{background:var(--violet,#7C5CFC);color:#fff;border-color:var(--ink,#23262F)}
.grid-aid .ga-in{width:54px;border:1.5px solid #C9BDF5;border-radius:8px;padding:5px 7px;font-size:12px;font-family:var(--num,monospace);text-align:center;outline:none}
.grid-aid .ga-in:focus{border-color:var(--violet,#7C5CFC)}

/* EN 徽章 + AI 入口（原为 inline，改 class 以便做手机端响应式）*/
.en-badge{margin-left:auto;display:inline-flex;align-items:center;gap:5px;text-decoration:none;font-size:13px;font-weight:800;color:#5A48D8;background:#F6F3FF;border:1.5px solid #8F7BFF;border-radius:10px;padding:7px 13px;white-space:nowrap}
.ai-entry-link{display:block;text-align:center;margin-top:14px;text-decoration:none;background:#F6F3FF;border:2px solid #8F7BFF;border-radius:12px;padding:12px 14px;font-size:13.5px;line-height:1.55;color:#5A48D8;font-weight:700}
.ai-entry-link b{font-weight:900}
.reset-btn{white-space:nowrap}
.samples-hint a{white-space:nowrap}

/* 参数区实时小预览：电脑端隐藏（右栏有大预览），手机端贴顶显示 */
.param-live{display:none}

/* ============ 手机端体验优化（窄屏 ≤600px）============ */
@media (max-width:600px){
  /* 「实时效果」小图：默认藏起来（和上面「拼豆效果」重复）；只在拖滑块时浮现、1.4s 后自动收。fixed 浮层，不挤动滑块 */
  .param-live.show{display:block;position:fixed;top:10px;left:0;right:0;margin:0 auto;width:min(72%,250px);z-index:60;background:#fff;border:2px solid var(--ink,#23262F);border-radius:12px;box-shadow:0 6px 18px rgba(35,38,47,.22);padding:8px}
  .param-live .pl-cap{font-size:11px;color:#8A8F9E;font-weight:800;text-align:center;margin-bottom:6px}
  .param-live canvas{display:block;max-width:100%;max-height:150px;margin:0 auto;border-radius:8px;image-rendering:auto}
  .container{padding-left:14px;padding-right:14px}
  /* header：EN 徽章钉右上角，不再被挤到单独一行 */
  .app-header{position:relative;padding-right:64px;gap:12px;margin-bottom:16px}
  .en-badge,.app-header .lang-switch{position:absolute;top:2px;right:0;margin:0;font-size:12px;padding:6px 10px}
  .head-text{flex:1 1 auto}
  .head-text p{font-size:13px;margin-top:6px}
  /* 站名进顶栏：logo 缩小、藏掉英文小标，中文名紧贴 logo 占第一行 */
  .app-header .logo{width:44px;height:44px}
  .app-header .logo svg{width:100%;height:100%;display:block}
  .brand .pxb{display:none}
  .head-sub{font-size:13px;margin-top:6px}
  /* 卡片标题略缩，预览「原图↔拼豆效果」不换行 */
  .card-head{gap:8px;margin-bottom:13px}
  .card-head .t{font-size:16.5px}
  /* AI 入口字号收一点，一行更稳 */
  .ai-entry-link{font-size:12.5px;padding:11px 12px;margin-top:12px}
  .samples-hint{font-size:12px}
  /* 卡片内边距紧凑些，元素不那么"大" */
  .card{padding:18px 15px}
  .export-grid{gap:7px}
  .export-grid .btn3d{padding:11px 4px;font-size:12.5px}
  /* ───── 移动端易用性走查（2026-07-23）：手机自助下单更好用 ───── */
  /* 1) 核心操作按钮拉到 ≥44px 好点：缩放 / 换一张 / 裁剪 / 抠背景 / 比例 / 色卡切换 */
  .tool-btn,.reset-btn,.crop-reset,.cr-btn,.uc-btn{min-height:44px;font-size:13.5px}
  .seg-btn{min-height:44px;padding-top:12px;padding-bottom:12px}
  .step-btn{width:44px;height:40px}
  /* 2) 手机窄屏：原图工具使用短标签，三项保持一行；比例栏可横向滚动 */
  .crop-reset{width:100%;box-sizing:border-box;margin:8px 0 0}
  .crop-ratios{justify-content:flex-start}
  .crop-ratios .crop-reset{width:auto;margin:0}
  .crop-actions{flex-direction:row;gap:6px;width:100%}
  .crop-actions .crop-reset{flex:1 1 0;width:auto;margin:0}
  /* 3) 图纸默认整张预览；放大后在半屏查看区内拖动，不再把页面撑到很长 */
  .chart-wrap{max-height:min(62vh,540px);touch-action:pan-x pan-y}
  /* 4) 色号 / 颗数这些"照着买"的关键小字拉到 ≥12px，别太小看不清 */
  .stat .l,.chip-code,.chip-count small,.sb-pill small,.series-chip small{font-size:12px}
}