/* ===================== 设计令牌 ===================== */
:root{
  --bg:#FBF7F2;
  --surface:#FFFFFF;
  --surface-2:#F6F1EA;
  --ink:#1B1A1F;
  --ink-2:#3A3842;
  --sub:#6E6A78;
  --line:#ECE6DD;
  --brand:#FF6A3D;
  --brand-ink:#E2552C;
  --brand-soft:#FFE9E0;
  --ok:#2BB673;
  --radius:22px;
  --radius-sm:14px;
  --shadow:0 10px 30px rgba(40,30,20,.06);
  --shadow-lg:0 26px 60px rgba(40,30,20,.13);
  --maxw:1120px;
  --font:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:var(--font);background-color:var(--bg);background-image:linear-gradient(rgba(27,26,31,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(27,26,31,.028) 1px,transparent 1px);background-size:26px 26px;color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%}
h1,h2,h3{line-height:1.2;letter-spacing:-.02em;font-weight:800}

/* ===================== 按钮 ===================== */
.btn{border:none;border-radius:999px;padding:12px 22px;font-size:15px;font-weight:700;font-family:inherit;cursor:pointer;transition:transform .15s cubic-bezier(.34,1.56,.64,1),box-shadow .2s,background .2s;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(255,106,61,.32)}
.btn-primary:hover{background:var(--brand-ink);box-shadow:0 12px 26px rgba(226,85,44,.4)}
.btn-ghost{background:var(--surface-2);color:var(--ink-2)}
.btn-ghost:hover{background:#efe7dc}
.btn-ghost:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}
.btn-pay{background:linear-gradient(120deg,#07c160,#06ad56);color:#fff;box-shadow:0 8px 20px rgba(7,193,96,.28)}
.btn-pay:hover{filter:brightness(1.05);box-shadow:0 12px 26px rgba(7,193,96,.36)}
.btn-lg{padding:16px 34px;font-size:17px}

/* ===================== 导航 ===================== */
.nav{position:sticky;top:0;z-index:40;backdrop-filter:saturate(180%) blur(14px);background:rgba(251,247,242,.72);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s,background .3s}
.nav.scrolled{border-color:var(--line);box-shadow:0 6px 20px rgba(40,30,20,.05);background:rgba(251,247,242,.9)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:14px 20px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
.brand-name{font-size:19px;display:flex;flex-direction:column;line-height:1.05}
.brand-en{font-size:11px;font-weight:600;color:var(--sub);letter-spacing:.5px}
.nav-links{display:flex;gap:26px;margin-left:auto;font-weight:600;font-size:15px}
.nav-links a{color:var(--ink-2);position:relative;padding:4px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--brand);transition:width .25s}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{width:100%}
.nav-cta{margin-left:8px}
.nav-burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-burger span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}

/* ===================== HERO ===================== */
.hero{position:relative;overflow:hidden;padding:56px 20px 40px}
.hero-glow{position:absolute;top:-180px;right:-120px;width:620px;height:620px;background:radial-gradient(circle at 30% 30%,rgba(255,106,61,.28),rgba(255,194,60,.12) 45%,transparent 70%);filter:blur(10px);pointer-events:none}
.hero-inner{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand-ink);background:var(--brand-soft);padding:6px 14px;border-radius:999px;text-transform:uppercase}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--brand);box-shadow:12px 0 0 -1px #FFC23C,24px 0 0 -1px #2BB673;margin-right:12px}
.hero-copy h1{font-size:clamp(34px,5vw,54px);margin:18px 0 14px}
.hl{color:var(--brand)}
.lede{font-size:16.5px;color:var(--sub);max-width:30em}
.lede b{color:var(--ink-2)}
.hero-cta{display:flex;gap:14px;margin:24px 0 12px;flex-wrap:wrap}
.price-note{font-size:14px;color:var(--sub);margin-bottom:8px}
.price-note b{color:var(--brand-ink)}
.hero-stats{list-style:none;display:flex;gap:28px;flex-wrap:wrap;margin-top:18px}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats b{font-size:24px;font-weight:800;color:var(--ink)}
.hero-stats span{font-size:13px;color:var(--sub)}

/* Hero 上传区（核心交互首屏可见） */
.hero-upload{display:grid;align-items:center}
.hero-upload .upload-card{padding:38px 26px;margin:0}
.privacy-note{display:flex;align-items:center;justify-content:center;gap:6px;font-size:12.5px;color:var(--sub);margin-top:14px}
.privacy-note svg{flex:0 0 auto;color:var(--ok)}

/* ===================== 通用 section ===================== */
.section{max-width:var(--maxw);margin:0 auto;padding:64px 20px}
.sec-head{text-align:center;max-width:640px;margin:0 auto 40px}
.sec-head h2{font-size:clamp(26px,3.4vw,38px);margin:14px 0 8px}
.sec-sub{color:var(--sub);font-size:16px}

/* reveal 动画 */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s cubic-bezier(.16,1,.3,1),transform .6s cubic-bezier(.16,1,.3,1);transition-delay:calc(var(--i,0)*90ms)}
.reveal.in{opacity:1;transform:none}

/* ===================== 四步（紧凑流程条） ===================== */
.flow-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.flow-step{display:flex;gap:12px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.flow-step::after{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,#FF6A3D,#FFC23C)}
.fs-no{flex:0 0 auto;width:30px;height:30px;border-radius:9px;background:var(--brand-soft);color:var(--brand-ink);font-weight:800;font-size:15px;display:grid;place-items:center}
.flow-step b{display:block;font-size:15px;margin-bottom:3px}
.flow-step span{font-size:13px;color:var(--sub);line-height:1.45}

/* ===================== Bento 功能 ===================== */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.bento-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.bento-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.bento-card.span2{grid-column:span 2}
.bc-ico{width:48px;height:48px;border-radius:13px;background:var(--surface-2);color:var(--brand-ink);display:grid;place-items:center;margin-bottom:14px}
.bento-card h3{font-size:18px;margin-bottom:8px}
.bento-card p{color:var(--sub);font-size:14.5px}

/* ===================== 转换工具 ===================== */
.tool-section{max-width:820px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);margin-bottom:18px}
.upload-card{border:2px dashed #ffcdbd;background:linear-gradient(180deg,#fff,#fff8f5);cursor:pointer;transition:border-color .2s,background .2s,transform .15s;text-align:center}
.upload-card:hover{transform:translateY(-2px)}
.upload-card.over{border-color:var(--brand);background:#fff1ec}
.up-ico{color:var(--brand);display:grid;place-items:center;margin-bottom:8px}
.up-title{font-size:17px;font-weight:600}
.up-sub{color:var(--sub);font-size:13.5px;margin-top:6px}
.link{color:var(--brand);cursor:pointer;font-weight:700}
.opt-row{display:flex;align-items:center;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.opt-row label{font-weight:600}
select{padding:10px 14px;border:1px solid var(--line);border-radius:12px;font-size:15px;font-family:inherit;background:var(--surface);color:var(--ink);cursor:pointer}
.err{color:#e23b3b;font-size:14px;margin-top:12px;min-height:18px}
.result-card h2{font-size:20px;margin-bottom:16px}
.preview-box{background:var(--surface-2);border:1px solid var(--line);border-radius:14px;padding:14px;text-align:center;overflow:auto}
.preview-box img{max-width:100%;image-rendering:pixelated;border:1px solid #eee}
.summary{color:var(--sub);font-size:14.5px;margin:14px 0}
.legend-head{font-weight:700;margin:6px 0 12px}
.legend{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px}
.legend .item{display:flex;align-items:center;gap:8px;background:var(--surface-2);border:1px solid var(--line);border-radius:11px;padding:8px 11px;font-size:14px}
.legend .sw{width:20px;height:20px;border-radius:5px;border:1px solid #ccc;flex:0 0 auto}
.legend .item .cnt{margin-left:auto;font-weight:800;color:var(--ink)}
.legend .item{cursor:pointer}
.legend .item:hover{border-color:var(--brand)}

/* ===================== 类型选择 ===================== */
.opt-block-label{font-weight:700;font-size:14.5px;margin:0 0 10px;color:var(--ink-2)}
.opt-block-label+.opt-block-label{margin-top:6px}
.type-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}
.type-card{position:relative;display:flex;flex-direction:column;gap:3px;background:var(--surface-2);border:2px solid var(--line);border-radius:14px;padding:14px 10px;cursor:pointer;transition:border-color .2s,background .2s,transform .15s;text-align:center}
.type-card:hover{transform:translateY(-2px)}
.type-card input{position:absolute;opacity:0;pointer-events:none}
.type-card b{font-size:16px}
.type-card span{font-size:12.5px;color:var(--sub)}
.type-card:has(input:checked){border-color:var(--brand);background:var(--brand-soft)}
.type-card:has(input:checked) b{color:var(--brand-ink)}
.result-type{font-size:14px;font-weight:700;color:var(--brand-ink);background:var(--brand-soft);padding:4px 12px;border-radius:999px;vertical-align:middle;margin-left:8px}

/* ===================== 编辑器 ===================== */
.editor{margin-top:4px}
.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
.tool-btn{border:1px solid var(--line);background:var(--surface-2);color:var(--ink-2);border-radius:10px;padding:8px 16px;font-size:14px;font-weight:700;font-family:inherit;cursor:pointer;transition:.15s}
.tool-btn:hover{border-color:var(--brand);color:var(--brand-ink)}
.tool-btn.active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 6px 14px rgba(255,106,61,.25)}
.tool-hint{font-size:12.5px;color:var(--sub);margin-left:4px}
.canvas-wrap{background:var(--surface-2);border:1px solid var(--line);border-radius:14px;padding:14px;display:flex;justify-content:center;overflow:auto;max-height:520px}
#editCanvas{image-rendering:pixelated;touch-action:none;cursor:crosshair;max-width:100%;border:1px solid #eee;background:#fff}
.ed-palette-head{display:flex;align-items:center;justify-content:space-between;font-weight:700;font-size:14px;margin:14px 0 0}
.cur-chip{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--ink-2);font-weight:700;background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:5px 12px}
.cur-chip i{width:16px;height:16px;border-radius:5px;border:1px solid rgba(0,0,0,.15);display:inline-block}
.ed-palette{display:grid;grid-template-columns:repeat(auto-fill,minmax(34px,1fr));gap:6px;max-height:190px;overflow:auto;margin-top:10px;padding:10px;background:var(--surface-2);border:1px solid var(--line);border-radius:12px}
.ed-sw{aspect-ratio:1;border-radius:8px;border:2px solid rgba(0,0,0,.1);cursor:pointer;padding:0;transition:transform .12s}
.ed-sw:hover{transform:scale(1.12)}
.ed-sw.sel{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft)}

/* ===================== 下单摘要 ===================== */
.order-summary{background:var(--surface-2);border:1px solid var(--line);border-radius:14px;padding:12px 16px;margin-bottom:18px;text-align:left}
.os-row{display:flex;justify-content:space-between;font-size:14px;padding:5px 0;color:var(--sub)}
.os-row b{color:var(--ink);font-weight:800}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.lock-tip{color:var(--sub);font-size:13.5px;margin-top:12px;display:flex;align-items:center;gap:6px}
.lock-tip::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand);display:inline-block}

/* ===================== 珠色展示 ===================== */
.palette-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.pal-tabs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:26px}
.pal-tab{border:1px solid var(--line);background:var(--surface);color:var(--ink-2);border-radius:999px;padding:10px 22px;font-size:15px;font-weight:700;font-family:inherit;cursor:pointer;transition:.2s;box-shadow:var(--shadow)}
.pal-tab:hover{border-color:var(--brand);color:var(--brand-ink)}
.pal-tab.active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(255,106,61,.3)}
.pal-pane{display:none}
.pal-pane.active{display:grid}
.swatch{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px;display:flex;align-items:center;gap:10px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.swatch:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.swatch .sw{width:30px;height:30px;border-radius:8px;border:1px solid rgba(0,0,0,.12);flex:0 0 auto}
.sw-name{font-size:14px;font-weight:600;line-height:1.2}
.sw-hex{font-size:11.5px;color:var(--sub);font-family:ui-monospace,monospace}

/* ===================== FAQ ===================== */
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:0;box-shadow:var(--shadow);overflow:hidden}
.faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:var(--brand);font-weight:700;transition:transform .25s}
.faq[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 22px 18px;color:var(--sub);font-size:15px}

/* ===================== 末尾 CTA ===================== */
.cta-final{max-width:var(--maxw);margin:20px auto 64px;padding:0 20px}
.cta-card{background:linear-gradient(120deg,#FF6A3D,#FF8A3D);border-radius:28px;padding:54px 32px;text-align:center;color:#fff;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.cta-card h2{font-size:clamp(24px,3vw,34px);margin-bottom:10px}
.cta-card p{opacity:.92;margin-bottom:24px;font-size:16px}
.cta-card .btn-primary{background:#fff;color:var(--brand-ink);box-shadow:0 10px 24px rgba(0,0,0,.15)}
.cta-card .btn-primary:hover{background:#fff6f1}

/* ===================== 页脚 ===================== */
.ft{border-top:1px solid var(--line);background:var(--surface);margin-top:40px}
.ft-inner{max-width:var(--maxw);margin:0 auto;padding:44px 20px 24px;display:grid;grid-template-columns:1.4fr 1fr auto;gap:30px;align-items:start}
.ft-brand p{color:var(--sub);font-size:14px;margin-top:10px;max-width:24em}
.ft-links{display:flex;flex-direction:column;gap:10px;font-weight:600;font-size:14.5px}
.ft-links a{color:var(--ink-2)}
.ft-links a:hover{color:var(--brand)}
.ft-beian a{color:var(--sub);font-size:13.5px;text-decoration:none;border:1px solid var(--line);padding:8px 12px;border-radius:10px;display:inline-block;transition:.2s}
.ft-beian a:hover{color:var(--brand);border-color:var(--brand)}
.ft-copy{text-align:center;color:var(--sub);font-size:13px;padding:0 20px 30px}

/* ===================== 支付弹窗 ===================== */
.modal{position:fixed;inset:0;background:rgba(20,16,12,.5);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:60;padding:20px;animation:fade .2s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal-box{background:#fff;border-radius:22px;padding:30px;width:320px;text-align:center;position:relative;box-shadow:var(--shadow-lg);animation:pop .25s cubic-bezier(.34,1.56,.64,1)}
@keyframes pop{from{transform:scale(.92);opacity:0}to{transform:scale(1);opacity:1}}
.modal-close{position:absolute;right:14px;top:12px;color:#999;cursor:pointer;display:grid;place-items:center;width:32px;height:32px;border-radius:8px;transition:.2s}
.modal-close:hover{background:var(--surface-2);color:var(--ink)}
.modal-box h3{margin-bottom:18px;font-size:19px}
.qr{width:150px;height:150px;margin:0 auto 14px;background:repeating-conic-gradient(#222 0 25%,#fff 0 50%) 50%/18px 18px;border:8px solid #fff;border-radius:12px;display:grid;place-items:center;color:#fff;font-size:44px;box-shadow:0 4px 14px rgba(0,0,0,.15)}
.qr-tip{font-weight:800;margin-bottom:16px;font-size:16px}
.pay-note{color:var(--sub);font-size:12.5px;margin-top:14px;line-height:1.5}

/* ===================== 案例成品展示 ===================== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;cursor:pointer;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.case-img{background:var(--surface-2);padding:18px;display:grid;place-items:center;border-bottom:1px solid var(--line)}
.case-img img{max-width:100%;height:auto;image-rendering:pixelated;transition:transform .3s}
.case-card:hover .case-img img{transform:scale(1.04)}
.case-body{padding:14px 16px 16px}
.case-body h3{font-size:16px;margin-bottom:8px}
.case-meta{display:flex;gap:8px;flex-wrap:wrap}
.case-meta span{font-size:12.5px;font-weight:600;color:var(--ink-2);background:var(--surface-2);border:1px solid var(--line);padding:3px 9px;border-radius:999px}
.empty-note{color:var(--sub);text-align:center;padding:30px 0}

/* 案例大图弹窗 */
.case-box{width:min(760px,94vw);text-align:left;padding:26px}
.case-detail{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.case-detail-img{background:var(--surface-2);border:1px solid var(--line);border-radius:16px;padding:16px;display:grid;place-items:center}
.case-detail-img img{max-width:100%;height:auto;image-rendering:pixelated}
.case-detail-info h3{font-size:20px;margin-bottom:10px}
.case-detail-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.case-detail-meta span{font-size:12.5px;font-weight:600;color:var(--ink-2);background:var(--surface-2);border:1px solid var(--line);padding:3px 9px;border-radius:999px}
.case-detail-legend{margin-bottom:18px}
.case-detail-legend .legend{grid-template-columns:1fr}
.case-detail-legend .legend .item{background:#fff}
.case-detail-legend .legend-head{font-weight:700;margin-bottom:10px;font-size:15px}

/* ===================== 参数区增强 ===================== */
.opt-file-row{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:10px 14px;margin-bottom:18px;flex-wrap:wrap}
.opt-file-name{font-size:13.5px;font-weight:600;color:var(--ink-2);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.opt-file-name::before{content:"📎";margin-right:6px}
.opt-file-ops{display:flex;gap:6px;margin-left:auto}
.opt-link-btn{border:none;background:none;color:var(--brand-ink);font-size:13px;font-weight:700;font-family:inherit;cursor:pointer;padding:6px 10px;border-radius:8px;transition:.15s;min-height:36px}
.opt-link-btn:hover{background:var(--brand-soft)}
.preset-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.preset-chip{border:1.5px solid var(--line);background:var(--surface);color:var(--ink-2);border-radius:999px;padding:8px 16px;font-size:13.5px;font-weight:700;font-family:inherit;cursor:pointer;transition:.18s;min-height:44px}
.preset-chip:hover{border-color:var(--brand);color:var(--brand-ink);transform:translateY(-1px)}
.preset-chip.active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 6px 14px rgba(255,106,61,.25)}
.width-hint{font-size:12.5px;color:var(--sub)}
#convertBtn{width:100%;margin-top:4px;min-height:48px;font-size:16px}
#convertBtn.loading{opacity:.85;pointer-events:none}
#convertBtn.loading::after{content:"";display:inline-block;width:14px;height:14px;margin-left:9px;border:2.5px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===================== 草稿恢复栏 ===================== */
.draft-bar{display:flex;align-items:center;gap:14px;background:linear-gradient(120deg,#FFF6E8,#FFE9E0);border:1.5px solid #FFD9C2;border-radius:16px;padding:14px 18px;margin-bottom:18px;font-size:14px;color:var(--ink-2);font-weight:600}
.draft-actions{display:flex;gap:8px;margin-left:auto;flex:0 0 auto}
.draft-actions .btn{padding:8px 16px;font-size:13.5px}

/* ===================== 清单占比 ===================== */
.legend .item .ln{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.legend .item .pct{font-size:11.5px;color:var(--sub);font-weight:600;margin-left:auto;flex:0 0 auto}
.legend .item .pct+.cnt{margin-left:8px}

/* ===================== 色卡折叠 ===================== */
.pal-group{max-width:var(--maxw);margin:0 auto}
.pal-more{display:block;margin:14px auto 0;border:1.5px dashed #E5C9B8;background:var(--surface);color:var(--brand-ink);border-radius:999px;padding:10px 26px;font-size:14px;font-weight:700;font-family:inherit;cursor:pointer;transition:.2s;min-height:44px}
.pal-more:hover{border-color:var(--brand);background:var(--brand-soft)}
.pal-pane.folded .swatch:nth-child(n+13){display:none}

/* ===================== 裁剪弹窗 ===================== */
.crop-box{width:min(520px,94vw);text-align:center}
.crop-box h3{display:flex;flex-direction:column;gap:4px;font-size:19px;margin-bottom:14px}
.crop-sub{font-size:13px;color:var(--sub);font-weight:500}
.crop-stage{background:var(--surface-2);border:1px solid var(--line);border-radius:14px;padding:10px;display:grid;place-items:center}
#cropCanvas{max-width:100%;height:auto;cursor:crosshair;touch-action:none;border-radius:8px}
.crop-info{font-size:13px;color:var(--sub);margin:12px 0;min-height:18px;font-weight:600}
.crop-actions{display:flex;gap:10px;justify-content:center}
.crop-actions .btn{min-height:44px}

/* ===================== 案例原图对照 ===================== */
.case-cmp{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:100%}
.case-cmp figure{display:flex;flex-direction:column;gap:6px;align-items:center;min-width:0}
.case-cmp img{max-width:100%;height:auto;border-radius:10px;border:1px solid var(--line)}
#caseSrc{image-rendering:auto}
#caseFull{image-rendering:pixelated}
.case-cmp figcaption{font-size:12px;color:var(--sub);font-weight:700;letter-spacing:.05em}

/* ===================== 响应式 ===================== */
@media (max-width:880px){
  .hero-inner{grid-template-columns:1fr;gap:26px}
  .hero-copy{text-align:center}
  .hero-cta{justify-content:center}
  .price-note{text-align:center}
  .hero-stats{justify-content:center}
  .flow-strip{grid-template-columns:1fr}
  .bento{grid-template-columns:1fr}
  .bento-card.span2{grid-column:span 1}
  .nav-links,.nav-cta{display:none}
  .nav-burger{display:flex;margin-left:auto}
  .nav.open .nav-links{display:flex;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:var(--surface);padding:16px 20px;gap:14px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .ft-inner{grid-template-columns:1fr;gap:20px}
  .case-grid{grid-template-columns:1fr}
  .case-detail{grid-template-columns:1fr}
  .case-cmp{grid-template-columns:1fr}
  .type-grid{grid-template-columns:repeat(3,1fr)}
  .actions .btn{flex:1 1 100%}
  .tool-btn{min-height:44px;padding:10px 16px}
  .preset-chip{min-height:44px}
  .draft-bar{flex-direction:column;gap:12px;text-align:center}
  .canvas-wrap{padding:10px}
  .width-hint{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important}
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}