/* =========================================================================
   映真 · AI 肖像照 — 样式表
   ========================================================================= */

:root{
  --ink:#12151c;
  --ink-2:#3d4453;
  --muted:#767f8f;
  --line:#e6e9ef;
  --line-2:#f0f2f6;
  --bg:#ffffff;
  --bg-2:#f8f9fb;
  --brand:#2f6bff;
  --brand-dark:#1c4fd8;
  --brand-soft:#eef3ff;
  --accent:#ff7a45;
  --ok:#12a150;
  --radius:14px;
  --shadow-sm:0 1px 2px rgba(18,21,28,.06),0 2px 8px rgba(18,21,28,.04);
  --shadow:0 4px 16px rgba(18,21,28,.08);
  --shadow-lg:0 18px 48px rgba(18,21,28,.12);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,output{font-family:inherit}

.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.wrap.narrow{max-width:880px}
.stage{display:none}
.stage.active{display:block}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:32px;height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.logo-mark{
  width:28px;height:28px;border-radius:8px;
  background:linear-gradient(135deg,var(--brand),#7a4dff);
  position:relative;flex-shrink:0;
}
.logo-mark::after{
  content:"";position:absolute;inset:7px 8px 6px 8px;
  border:2px solid #fff;border-radius:2px 2px 5px 5px;border-top:none;
}
.logo-text{font-weight:700;font-size:18px;letter-spacing:-.2px}
.logo-text em{font-style:normal;font-size:11px;color:var(--muted);font-weight:500;margin-left:5px;letter-spacing:.5px}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{color:var(--ink-2);text-decoration:none;font-size:14.5px;transition:color .15s}
.nav a:hover{color:var(--brand)}
.header-inner .btn{margin-left:8px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:10px 18px;border-radius:10px;font-size:14.5px;font-weight:600;
  transition:.16s;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 1px 2px rgba(47,107,255,.3)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 6px 18px rgba(47,107,255,.28)}
.btn-ghost{background:var(--bg-2);color:var(--ink-2);border:1px solid var(--line)}
.btn-ghost:hover{background:#fff;border-color:#cfd5e0;color:var(--ink)}
.btn-sm{padding:7px 14px;font-size:13.5px}
.btn-lg{padding:13px 30px;font-size:16px}
.btn-block{width:100%}
.btn-back{
  width:36px;height:36px;border-radius:9px;background:var(--bg-2);
  border:1px solid var(--line);font-size:17px;flex-shrink:0;
}
.btn-back:hover{background:#fff;border-color:#cfd5e0}
.btn:disabled{opacity:.45;cursor:not-allowed}

/* ---------- Hero ---------- */
.hero{
  background:
    radial-gradient(900px 420px at 78% 8%,#eaf0ff 0%,transparent 60%),
    radial-gradient(700px 380px at 8% 92%,#fdf0ea 0%,transparent 62%),
    var(--bg);
  padding:72px 0 84px;
  border-bottom:1px solid var(--line);
}
.hero-inner{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.badge{
  display:inline-block;padding:5px 13px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero h1{font-size:46px;line-height:1.22;font-weight:800;letter-spacing:-1px}
.hero h1 strong{color:var(--brand);font-weight:800}
.lead{font-size:16.5px;color:var(--ink-2);margin:18px 0 24px;max-width:520px}
.lead b{color:var(--ink);font-weight:600}
.hero-points{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:30px}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:14.5px;color:var(--ink-2)}
.tick{
  width:17px;height:17px;border-radius:50%;background:var(--brand-soft);
  position:relative;flex-shrink:0;
}
.tick::after{
  content:"";position:absolute;left:5.5px;top:4px;width:4.5px;height:8px;
  border:solid var(--brand);border-width:0 2px 2px 0;transform:rotate(43deg);
}
.hero-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start}

/* ---------- Dropzone ---------- */
.dropzone{
  width:100%;max-width:460px;padding:26px 24px;
  border:2px dashed #c8d0de;border-radius:var(--radius);
  background:#fff;text-align:center;cursor:pointer;
  transition:.18s;
}
.dropzone:hover,.dropzone.drag{border-color:var(--brand);background:var(--brand-soft)}
.dz-icon{
  width:40px;height:40px;margin:0 auto 12px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand),#7a4dff);position:relative;
}
.dz-icon::after{
  content:"";position:absolute;left:50%;top:47%;transform:translate(-50%,-50%);
  width:16px;height:16px;border:2px solid #fff;border-radius:2px;
}
.dz-icon::before{
  content:"";position:absolute;left:50%;top:31%;transform:translateX(-50%);
  width:8px;height:8px;border-left:2px solid #fff;border-top:2px solid #fff;
  transform:rotate(45deg);border-radius:1px;
}
.dz-main{font-size:15.5px;font-weight:600;margin-bottom:4px}
.dz-sub{font-size:13px;color:var(--muted)}

/* ---------- Hero visual mock ---------- */
.mock-card{
  background:#fff;border-radius:18px;box-shadow:var(--shadow-lg);
  overflow:hidden;border:1px solid var(--line);
}
.mock-head{display:flex;gap:6px;padding:12px 14px;background:var(--bg-2);border-bottom:1px solid var(--line)}
.dot{width:9px;height:9px;border-radius:50%;background:#dfe3ea}
.mock-body{position:relative;padding:16px;background:linear-gradient(160deg,#f2f4f8,#e9ecf2)}
.mock-body img{width:100%;border-radius:10px;box-shadow:var(--shadow-sm)}
.mock-wm{
  position:absolute;left:50%;top:52%;transform:translate(-50%,-50%);
  color:rgba(255,255,255,.92);font-size:30px;font-weight:800;
  letter-spacing:6px;rotate:-14deg;text-shadow:0 2px 10px rgba(0,0,0,.28);
}
.mock-foot{padding:16px}
.mock-line{height:9px;border-radius:5px;background:var(--line-2);margin-bottom:8px}
.mock-line.short{width:56%}

/* ---------- Sections ---------- */
.samples,.how,.pricing,.faq{padding:76px 0}
.sec-head{text-align:center;max-width:640px;margin:0 auto 44px}
.kicker{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.4px;
  text-transform:uppercase;color:var(--brand);margin-bottom:12px;
}
.sec-head h2{font-size:32px;font-weight:800;letter-spacing:-.6px;line-height:1.3}
.sec-sub{color:var(--muted);margin-top:12px;font-size:15.5px}

/* ---------- 可折叠区块（微信版落地页瘦身） ----------
   落地页移动端原本 7.6 屏，用户滚很久才够到工作台。
   桌面端内容全展开（信息完整），移动端默认折叠（details），
   用户点一下标题才展开 —— 首屏因此只剩「上传入口 + 折叠条」。
   .fold 只在移动端折叠；桌面端由 JS 移除 open 属性来保持展开。 */
.fold{ margin:0 auto; max-width:1180px; }
.fold-sum{
  list-style:none;cursor:pointer;user-select:none;
  display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;
  background:var(--bg-2);border:1px solid var(--line);border-radius:12px;
  padding:13px 16px;margin:0 auto;max-width:1180px;
  transition:border-color .15s,background .15s;
}
.fold-sum::-webkit-details-marker{display:none}
.fold-sum::marker{content:''}
.fold-sum:hover{border-color:var(--brand);background:var(--brand-soft)}
.fold-sum-t{font-size:14.5px;font-weight:700;color:var(--ink)}
.fold-sum-n{font-size:12.5px;color:var(--muted)}
.fold-sum::after{
  content:"▾";font-size:16px;color:var(--brand);font-weight:700;
  transition:transform .2s;line-height:1;
}
.fold[open] > .fold-sum::after{transform:rotate(180deg)}
/* 展开后的内容区：给一点上边距，别贴着折叠条 */
.fold[open] > .sample-grid,
.fold[open] > .share-grid,
.fold[open] > .steps,
.fold[open] > .faq-list{margin-top:22px}
/* 桌面端全部展开，不需要折叠条 —— 藏掉它，内容回到原来的排版 */
@media (min-width:681px){
  .fold > .fold-sum{display:none}
  .fold[open] > .sample-grid,
  .fold[open] > .share-grid,
  .fold[open] > .steps,
  .fold[open] > .faq-list{margin-top:0}
}

/* ---------- Sample grid ---------- */
.sample-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  max-width:1180px;margin:0 auto;
}
.sample{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);transition:.2s;
}
.sample:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.sample img{width:100%;height:auto;display:block}   /* 前后对比图按原比例完整显示，不裁切 */
.sample figcaption{
  padding:11px 14px;font-size:13.5px;font-weight:600;
  display:flex;align-items:center;gap:8px;border-top:1px solid var(--line-2);
}
.tag{
  font-size:11px;padding:2px 8px;border-radius:5px;
  background:var(--brand-soft);color:var(--brand-dark);font-weight:700;
}

/* ---------- Steps ---------- */
.steps{
  list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:s;
}
.steps li{
  background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 22px;
}
.step-n{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:9px;
  background:var(--brand);color:#fff;font-weight:700;font-size:14px;margin-bottom:14px;
}
.steps h3{font-size:16.5px;font-weight:700;margin-bottom:7px}
.steps p{font-size:14px;color:var(--muted);line-height:1.65}

/* ---------- Plans ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;max-width:1180px;margin:0 auto}
.plan-grid.wide{max-width:820px}
.plan{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:28px 24px;box-shadow:var(--shadow-sm);
  transition:.2s;display:flex;flex-direction:column;
}
.plan:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.plan.sel{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft),var(--shadow)}
.plan-rec{border-color:var(--brand)}
.plan-badge{
  position:absolute;top:-11px;left:50%;transform:translateX(-50%);
  background:var(--accent);color:#fff;font-size:11.5px;font-weight:700;
  padding:3px 12px;border-radius:999px;white-space:nowrap;
}
.plan h3{font-size:17px;font-weight:700;margin-bottom:10px}
.plan-price{font-size:38px;font-weight:800;letter-spacing:-1.4px;margin-bottom:18px;color:var(--ink)}
.plan-price span{font-size:20px;font-weight:600;margin-right:2px;color:var(--muted)}
.plan ul{list-style:none;margin-bottom:22px;flex:1;display:flex;flex-direction:column;gap:9px}
.plan ul li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--ink-2)}
.plan ul .tick{margin-top:3px}

/* ---------- FAQ ---------- */
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq-list details{
  background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:0;
}
.faq-list summary{
  padding:16px 20px;font-weight:600;font-size:15px;cursor:pointer;
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{
  content:"+";font-size:20px;color:var(--muted);font-weight:400;transition:transform .2s;
  line-height:1;
}
.faq-list details[open] summary::after{transform:rotate(45deg)}
.faq-list details p{padding:0 20px 18px;font-size:14.5px;color:var(--muted);line-height:1.7}

/* ---------- Studio ---------- */
.studio-inner{padding:30px 0 72px}
.studio-head{
  display:flex;align-items:center;gap:16px;margin-bottom:26px;
}
.studio-head h2{font-size:22px;font-weight:800;letter-spacing:-.3px}
.studio-stat{font-size:13.5px;color:var(--muted);margin-top:2px}
/* 环境自检面板：检测到问题才显示，用户一键复制诊断信息发我 */
.diag-box{
  display:none;margin:0 0 16px;padding:14px 16px;border-radius:12px;
  background:#fff2f0;border:1px solid #ffc9c2;color:#8c2f22;font-size:13px;line-height:1.6;
}
.diag-box b{display:block;margin-bottom:4px}
.diag-box ul{margin:6px 0 10px;padding-left:0;list-style:none}
.diag-box li{margin:2px 0;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;word-break:break-all}
.diag-box li.ok{color:#0e8a46}
.diag-box li.bad{color:#c02f1f;font-weight:600}
.diag-actions{display:flex;gap:8px;align-items:center}
.diag-box-x{margin-left:auto;background:none;border:0;color:#8c2f22;font-size:16px;cursor:pointer;line-height:1}
/* 版本戳：排查「看到的还是旧页面」时，用户截这一行就能确认版本 */
.build-stamp{display:block;font-size:11px;color:var(--muted);opacity:.62;margin-top:3px;letter-spacing:.2px;user-select:text}
.build-stamp-inline{display:inline-block;margin:0 0 0 10px;vertical-align:middle;white-space:nowrap}
.studio-head .btn-primary,.studio-head .paid-badge{margin-left:auto}
.studio-grid{display:grid;grid-template-columns:1fr 400px;gap:24px;align-items:start;min-width:0}
.studio-grid > .panel{min-width:0}

.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-sm);
  min-width:0;max-width:100%;overflow-wrap:break-word;
}
.export-card,.pay-card,.plan,.sample,.faq-list details,.mock-card{
  min-width:0;max-width:100%;overflow-wrap:break-word;
}
.panel-title{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.panel-title.mt{margin-top:26px;padding-top:24px;border-top:1px solid var(--line-2)}
.panel-title .hint{
  font-size:12px;font-weight:500;color:var(--muted);
  background:var(--bg-2);padding:2px 9px;border-radius:6px;
}

.result-box{
  background:
    linear-gradient(45deg,#f4f6f9 25%,transparent 25%,transparent 75%,#f4f6f9 75%),
    linear-gradient(45deg,#f4f6f9 25%,#eceff4 25%,#eceff4 75%,#f4f6f9 75%);
  background-size:18px 18px;
  background-position:0 0,9px 9px;
  border:1px solid var(--line);border-radius:11px;
  min-height:300px;display:flex;align-items:center;justify-content:center;
  padding:18px;overflow:hidden;
}
.watermark-tip{
  margin-top:11px;font-size:13px;color:#8a6a3a;
  background:#fff8ee;border:1px solid #f5e2c8;border-radius:8px;padding:9px 13px;
}
.matte-canvas{
  /* 移动端关键：显示尺寸取「容器宽」与「视口高 52%」的较小约束，保持比例 */
  width:auto;max-width:100%;max-height:52vh;
  border-radius:11px;border:1px solid var(--line);
  display:block;margin:0 auto;background:var(--bg-2);cursor:crosshair;touch-action:none;
}

/* 构图框覆盖层：框内透明（不挡拖拽），边线可拖平移，角点可拖缩放 */
.crop-box{
  position:absolute;display:none;pointer-events:none;
  border:2px dashed rgba(47,107,255,.95);
  box-shadow:0 0 0 9999px rgba(18,21,28,.18);
  z-index:4;
}
.crop-box.dragging .crop-edge,.crop-box.dragging .crop-handle{pointer-events:none}
.crop-edge{position:absolute;pointer-events:auto;cursor:move;touch-action:none}
/* 触区只朝框内侧，避免伸到画布外遮挡下方元素（移动端误触/点不动） */
.crop-edge.n{top:0;left:0;right:0;height:14px}
.crop-edge.s{bottom:0;left:0;right:0;height:14px}
.crop-edge.w{left:0;top:0;bottom:0;width:14px}
.crop-edge.e{right:0;top:0;bottom:0;width:14px}
.crop-handle{
  position:absolute;pointer-events:auto;width:15px;height:15px;
  background:#fff;border:2.5px solid var(--brand);border-radius:4px;
  box-shadow:0 1px 4px rgba(18,21,28,.3);
  touch-action:none;
}
.crop-handle.nw{left:-9px;top:-9px;cursor:nwse-resize}
.crop-handle.ne{right:-9px;top:-9px;cursor:nesw-resize}
.crop-handle.sw{left:-9px;bottom:-9px;cursor:nesw-resize}
.crop-handle.se{right:-9px;bottom:-9px;cursor:nwse-resize}
/* 构图范围标签：贴在构图框【上沿外侧】，但画布上方预留了一条固定「标签车道」，
   所以它永远落在车道里，不会压住上方的「抠图检查」标题。
   （原来画布上方没有预留空间，构图框顶边贴住画布顶端时，标签就压到标题上了 ——
     微信版实拍证据：.testout/wechat-ios-studio.png。） */
.matte-wrap{
  position:relative;display:block;min-width:0;
  padding-top:30px;                 /* 标签车道：给 .crop-label 留出 26px 的高度 */
}
.crop-label{
  position:absolute;top:-26px;left:0;white-space:nowrap;
  background:rgba(47,107,255,.92);color:#fff;font-size:12px;font-weight:600;
  padding:2px 9px;border-radius:6px;line-height:1.5;
}
/* 构图确认条：拉伸/滑块调整后出现在图片下方 */
.crop-adjust{
  margin-top:10px;background:var(--bg-2);border:1px solid var(--line);
  border-radius:11px;padding:13px 15px 9px;
}
.ca-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.ca-title{font-size:13.5px;font-weight:700}
.ca-title em{font-style:normal;font-weight:500;font-size:12px;color:var(--muted);margin-left:7px}
.ca-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px 18px}
.btn-xs{padding:4px 11px;font-size:12.5px}
.crop-confirm{
  display:none;align-items:center;justify-content:center;gap:10px;
  background:var(--brand-soft);border:1px solid var(--brand);
  margin-top:12px;padding:9px 14px;border-radius:10px;
  position:relative;z-index:8;                 /* 始终在画布/覆盖层之上，确保可点 */
  touch-action:manipulation;
}
.crop-confirm span{font-size:13.5px;font-weight:700;color:var(--brand-dark)}
.crop-confirm button{
  font-size:13.5px;font-weight:700;padding:8px 20px;border-radius:8px;transition:.15s;
  min-height:36px;touch-action:manipulation;    /* 移动端触区 ≥36px，避免点不中 */
}
.crop-confirm .cc-ok{background:var(--brand);color:#fff}
.crop-confirm .cc-ok:hover{background:var(--brand-dark)}
.crop-confirm .cc-undo{background:#fff;color:var(--ink-2);border:1px solid var(--line)}
.crop-confirm .cc-undo:hover{border-color:#cfd5e0}
.pro-tip{
  background:#eef4ff;border:1px solid #cfe0ff;border-radius:9px;
  padding:8px 11px;color:#2b4a8a;font-weight:600;
}
.matte-warn{
  display:none;margin-bottom:11px;font-size:13px;line-height:1.65;
  color:#8a5a2a;background:#fff6ec;border:1px solid #f3ddc0;
  border-radius:9px;padding:10px 13px;
}
.quick-only.disabled{opacity:.4;pointer-events:none}
.tip{font-size:12.5px;color:var(--muted);margin-top:10px;line-height:1.6}

/* ---------- Controls ---------- */
.ctrl-block{margin-bottom:26px}
.ctrl-block:last-child{margin-bottom:0}

.seg{display:inline-flex;background:var(--bg-2);border:1px solid var(--line);border-radius:9px;padding:3px;gap:2px}
.seg-full{display:flex;width:100%}
.seg-full .seg-btn{flex:1}
.seg-btn{
  padding:7px 15px;border-radius:7px;font-size:13.5px;font-weight:600;
  color:var(--muted);transition:.15s;white-space:nowrap;
}
.seg-btn:hover{color:var(--ink)}
.seg-btn.active{background:#fff;color:var(--brand);box-shadow:var(--shadow-sm)}

.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  padding:7px 13px;border-radius:8px;border:1px solid var(--line);
  background:#fff;font-size:13px;color:var(--ink-2);transition:.15s;font-weight:500;
}
.chip:hover{border-color:#b9c4d8}
.chip.active{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-dark);font-weight:600}
/* 按钮内小标注（如「小二寸」的「中国签证通用」）：换行小字，不撑乱按钮排布 */
.chip-note{display:block;font-style:normal;font-weight:400;font-size:10.5px;line-height:1.2;color:var(--muted);margin-top:1px}
.chip.active .chip-note{color:var(--brand-dark);opacity:.75}
.spec-info{font-size:12.5px;color:var(--muted);margin-top:10px}

.bg-row{display:grid;grid-template-columns:repeat(6,1fr);gap:9px}
.bg-swatch{
  aspect-ratio:1;border-radius:9px;background:var(--c);
  border:2px solid var(--line);transition:.15s;position:relative;
}
.bg-swatch:hover{transform:scale(1.06)}
.bg-swatch.active{border-color:var(--brand);box-shadow:0 0 0 2.5px var(--brand-soft)}

.inline-field{display:inline-flex;align-items:center;gap:9px;font-size:13px;color:var(--ink-2)}
.inline-field.mt-s{margin-top:12px}
.inline-field input[type=range]{width:130px}
.inline-field input[type=color]{
  width:38px;height:28px;border:1px solid var(--line);border-radius:7px;
  background:#fff;padding:2px;cursor:pointer;
}
.range-field{
  display:grid;grid-template-columns:52px 1fr 42px;align-items:center;gap:10px;
  font-size:13px;color:var(--ink-2);margin-bottom:9px;
}
.range-field output{font-size:12px;color:var(--muted);text-align:right;font-variant-numeric:tabular-nums}

input[type=range]{
  -webkit-appearance:none;appearance:none;height:4px;border-radius:2px;
  background:var(--line);outline:none;cursor:pointer;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:15px;height:15px;border-radius:50%;
  background:var(--brand);cursor:pointer;border:2.5px solid #fff;
  box-shadow:0 1px 4px rgba(18,21,28,.25);
}
input[type=range]::-moz-range-thumb{
  width:12px;height:12px;border-radius:50%;background:var(--brand);
  cursor:pointer;border:2.5px solid #fff;box-shadow:0 1px 4px rgba(18,21,28,.25);
}

/* ---------- Pay CTA ---------- */
.pay-cta{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 26px;margin-top:26px;
}
.pay-left span{display:block;font-size:13px;color:var(--muted)}
.pay-left strong{font-size:32px;font-weight:800;letter-spacing:-1px;color:var(--ink)}
.fineprint{font-size:12.5px;color:var(--muted);text-align:center;margin-top:18px;line-height:1.7}

/* ---------- Pay page ---------- */
.paid-badge{
  align-items:center;gap:5px;padding:6px 14px;border-radius:999px;
  background:#e8f8ef;color:var(--ok);font-size:13.5px;font-weight:700;
}
.pay-card{
  display:grid;grid-template-columns:260px 1fr;gap:32px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-sm);
}
.pay-qr{text-align:center}
.qr-box{
  width:200px;height:200px;margin:0 auto;padding:12px;
  background:#fff;border:1px solid var(--line);border-radius:11px;
}

/* 抠图引擎徽章：绿=专业发丝级 / 蓝=AI 分割 / 橙=快速模式（仅纯色背景） */
.matte-badge{
  display:inline-block;margin-left:6px;padding:2px 9px;border-radius:999px;
  font-size:12px;font-weight:600;border:1px solid #e6e9f2;background:#f2f4f8;color:#68718a;
}

/* 纯静态版提示横幅：没有后端时，抠图只有本地快速模式、也没有 AI 生图 */
.static-banner{
  display:none;align-items:center;gap:6px;flex-wrap:wrap;
  background:#fff7e6;border:1px solid #ffd591;border-radius:10px;
  color:#8a5a00;font-size:13px;padding:9px 12px;margin:0 auto 12px;max-width:1100px;
}
.static-banner a{color:#2f6bff;font-weight:600}
.static-banner-x{margin-left:auto;background:none;border:0;color:#8a5a00;font-size:16px;cursor:pointer;line-height:1}

/* 手机上收银台改上下堆叠：二维码放大到接近满宽，方便对面手机扫（缩到 174px 会难扫） */
@media (max-width:640px){
  .pay-card{grid-template-columns:1fr;gap:20px;padding:18px}
  .qr-box{width:min(78vw,300px);height:min(78vw,300px);padding:10px}
  .qr-tip{font-size:14px}
}
.qr-pattern{
  width:100%;height:100%;display:grid;
  grid-template-columns:repeat(21,1fr);grid-template-rows:repeat(21,1fr);
}
.qr-pattern i{background:#12151c;border-radius:1px}
.qr-tip{font-size:13px;color:var(--muted);margin-top:12px}
.pay-info{display:flex;flex-direction:column;gap:12px}
.pay-row{
  display:flex;justify-content:space-between;align-items:baseline;
  padding-bottom:11px;border-bottom:1px solid var(--line-2);font-size:14px;
}
.pay-row span{color:var(--muted)}
.pay-row .amount{font-size:27px;font-weight:800;letter-spacing:-.6px}
.pay-info .btn{margin-top:6px}

/* ---------- Export ---------- */
.export-zone{margin-top:28px}
.export-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.export-card{
  position:relative;text-align:left;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  transition:.18s;
}
.export-card:not(.locked):hover{border-color:var(--brand);box-shadow:var(--shadow);transform:translateY(-2px)}
.export-card.locked{opacity:.6;cursor:not-allowed}
.export-card-wide{grid-column:1/-1;background:linear-gradient(135deg,#eef4ff,#f7faff);border-color:var(--brand)}
.export-card-wide .export-icon{font-size:22px}
.export-icon{
  width:40px;height:40px;border-radius:10px;background:var(--brand-soft);
  color:var(--brand-dark);font-size:19px;display:flex;align-items:center;
  justify-content:center;margin-bottom:12px;
}
.export-card h4{font-size:16px;font-weight:700;margin-bottom:5px}
.export-card p{font-size:13px;color:var(--muted);margin-bottom:12px}
.export-cta{font-size:13.5px;font-weight:600;color:var(--brand)}
.lock-badge{
  position:absolute;top:16px;right:16px;font-size:11.5px;font-weight:600;
  background:var(--bg-2);border:1px solid var(--line);
  padding:3px 10px;border-radius:999px;color:var(--muted);
}

/* ---------- Toast ---------- */
.toast{
  position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);
  background:rgba(18,21,28,.94);color:#fff;padding:12px 22px;border-radius:10px;
  font-size:14px;font-weight:500;opacity:0;pointer-events:none;
  transition:.24s;z-index:999;box-shadow:var(--shadow-lg);max-width:88vw;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}



/* ---------- AI 生图面板 ---------- */
.gen-block{border-color:#cfe0ff;background:linear-gradient(180deg,#f7faff,#fff)}
.gen-label{margin-top:4px}
.gen-prompt{
  width:100%;font-size:12.5px;line-height:1.7;padding:10px;border:1px solid var(--line);
  border-radius:9px;background:#fff;color:var(--ink);font-family:inherit;resize:vertical;
}
.gen-select{
  font-size:13px;padding:6px 8px;border:1px solid var(--line);border-radius:8px;
  background:#fff;color:var(--ink);font-family:inherit;
}
.gen-btn-row{display:flex;gap:10px;margin-top:12px}
.gen-btn-row .btn{flex:1;min-width:0}
.gen-progress{
  margin-top:10px;font-size:12.5px;font-weight:700;color:var(--brand-dark);
  background:#eef4ff;border:1px solid #cfe0ff;border-radius:9px;padding:8px 11px;
}
.gen-error{
  margin-top:10px;font-size:12.5px;line-height:1.7;color:#a33;background:#fff2f2;
  border:1px solid #f3c9c9;border-radius:9px;padding:8px 11px;word-break:break-word;
}
.gen-block .btn-block{margin-top:10px}

/* ---------- 分享变现区块 ---------- */
.share{padding:72px 0;background:var(--bg-2)}
.share-grid{display:grid;grid-template-columns:300px 1fr;gap:22px;align-items:start}
.share-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow-sm);min-width:0;
}
.share-qr-card{text-align:center}
.share-qr{width:100%;max-width:240px;border-radius:12px;border:1px solid var(--line);background:#fff}
.share-hint{margin-top:10px;font-size:12.5px;color:var(--ink-3)}
.share-label{display:block;font-size:13px;font-weight:700;color:var(--ink-2);margin:0 0 7px}
.share-label:not(:first-child){margin-top:16px}
.share-row{display:flex;gap:8px;min-width:0}
.share-input{
  flex:1;min-width:0;font-size:13px;padding:9px 11px;border:1px solid var(--line);
  border-radius:9px;background:var(--bg-2);color:var(--ink);font-family:inherit;
}
.share-text{
  width:100%;font-size:13px;line-height:1.75;padding:11px;border:1px solid var(--line);
  border-radius:9px;background:var(--bg-2);color:var(--ink);font-family:inherit;resize:vertical;
}
.share-card .btn{margin-top:10px}
.share-row .btn{margin-top:0}
@media (max-width:680px){
  .share{padding:52px 0}
  .share-grid{grid-template-columns:1fr}
  .share-qr{max-width:200px}
}

/* ---------- Responsive ---------- */
@media (max-width:1020px){
  .hero-inner{grid-template-columns:1fr;gap:22px}
  /* 微信 H5：上传入口必须落在第一屏。原来 order:-1 把样图卡顶到最前，
     用户点开链接看到的是一大张对比图，要往下滚一屏才找到"上传照片"。 */
  .hero-visual{order:1;max-width:300px;margin:0 auto}
  .hero h1{font-size:36px}
  .sample-grid{grid-template-columns:repeat(2,1fr);max-width:640px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .studio-grid{grid-template-columns:100%;gap:18px}
  .plan-grid{grid-template-columns:1fr;max-width:420px}
}
@media (max-width:680px){
  html{font-size:15px}
  .wrap{padding:0 14px}
  .nav{display:none}
  .header-inner{height:54px;gap:10px}
  /* 手机上顶栏空间不够，版本戳会把 header 撑出横向滚动 —— 隐藏顶栏/支付页那两份，
     编辑器里那份（块级，在标题下方）保留，反馈问题时照样能截图看出来 */
  .build-stamp-inline{display:none}
  .hero{padding:30px 0 40px}
  .hero h1{font-size:25px;letter-spacing:-.4px}
  .lead{font-size:14.5px;margin:12px 0 16px}
  .hero-points{gap:6px;margin-bottom:20px}
  .badge{margin-bottom:12px;font-size:12px}
  .dropzone{padding:18px 14px}
  .dz-main{font-size:14px}
  .sec-head{margin-bottom:28px}
  .sec-head h2{font-size:21px}
  .sec-sub{font-size:13.5px}
  .samples,.how,.pricing,.faq{padding:40px 0}
  .steps,.export-grid,.plan-grid{grid-template-columns:1fr}
  /* 样图改横向滑动：手机上逐张全宽堆叠会把整页撑到近万像素，
     用户要滚十几屏才够到工作台。横滑既保留内容又不占纵向空间。 */
  .sample-grid{
    display:flex;overflow-x:auto;gap:12px;scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;max-width:none;
    margin:0 -14px;padding:0 14px 8px;
  }
  .sample{flex:0 0 78%;scroll-snap-align:center;border-radius:12px}
  .sample-grid::-webkit-scrollbar{display:none}
  .panel{padding:14px;border-radius:11px}
  .panel-title{font-size:14px;margin-bottom:10px}
  .panel-title.mt{margin-top:18px;padding-top:16px}
  .studio-inner{padding:16px 0 48px}
  .studio-head{gap:10px;margin-bottom:16px;flex-wrap:wrap}
  .studio-head h2{font-size:17px}
  .studio-head .btn{font-size:13px;padding:8px 14px}
  .studio-head .btn-primary,.studio-head .paid-badge{margin-left:0}
  .ctrl-block{margin-bottom:18px}
  .seg{flex-wrap:wrap}
  .seg-btn{padding:6px 10px;font-size:12.5px;white-space:normal}
  .chip{padding:6px 10px;font-size:12px}
  .range-field{grid-template-columns:44px 1fr 34px;font-size:12px;gap:7px;margin-bottom:7px}
  .inline-field{font-size:12px;flex-wrap:wrap}
  .inline-field input[type=range]{width:110px}
  .ca-grid{grid-template-columns:1fr;gap:2px}
  .ca-title{font-size:12.5px}
  .crop-confirm{flex-wrap:wrap;padding:8px 12px}
  .crop-confirm button{padding:5px 13px;font-size:12.5px}
  .tip{font-size:11.5px}
  .result-box{min-height:200px;padding:10px}
  .watermark-tip{font-size:12px;padding:7px 10px}
  .matte-warn{font-size:12px;padding:8px 10px}
  .pay-cta{padding:16px}
  .pay-left strong{font-size:26px}
  .plan{padding:20px 16px}
  .plan-price{font-size:30px}
  .toast{font-size:13px;bottom:20px}
  .bg-row{grid-template-columns:repeat(4,1fr)}
}
/* ---------- 移动端吸底操作条（工作台） ----------
   工作台在手机上约 4 屏高（实测 3286px），顶部的「效果满意，去下单」滚进参数区就没了，
   用户调完参数还得往上翻回去找入口。手机端改成吸底常驻，桌面端保持原样。 */
.studio-bar{display:none}
@media (max-width:680px){
  .studio-bar.show{
    position:fixed;left:0;right:0;bottom:0;z-index:60;
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:10px 14px;padding-bottom:calc(10px + env(safe-area-inset-bottom,0px));
    background:rgba(255,255,255,.95);
    -webkit-backdrop-filter:saturate(180%) blur(12px);
    backdrop-filter:saturate(180%) blur(12px);
    border-top:1px solid var(--line);
    box-shadow:0 -6px 20px rgba(18,21,28,.07);
  }
  .studio-bar .sb-info{display:flex;flex-direction:column;line-height:1.25;min-width:0}
  .studio-bar .sb-price{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.3px}
  .studio-bar .sb-desc{
    font-size:11px;color:var(--muted);
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  }
  /* 44px 是最小可点尺寸（原来顶部按钮只有 33px 高） */
  .studio-bar .btn{flex-shrink:0;font-size:14px;padding:0 18px;min-height:44px}
  /* 吸底条会盖住页尾内容：给 body 留出等高的下边距（含 iPhone 底部安全区），
     并把 toast 抬到条子上方 */
  body.has-studio-bar{padding-bottom:calc(74px + env(safe-area-inset-bottom,0px))}
  body.has-studio-bar .toast{bottom:calc(84px + env(safe-area-inset-bottom,0px))}
  /* 吸底条已经把「去下单」常驻了，顶部那个就收起来：手机上它会换行占掉一整行，
     和条子上的按钮重复，白白挤走预览区高度 */
  body.has-studio-bar #toPricing{display:none}
}

/* ---------- 微信内分享引导条 ---------- */
.wx-share-hint{
  background:var(--brand-soft);border:1px solid #d5e2ff;border-radius:12px;
  padding:12px 14px;font-size:13px;line-height:1.7;color:var(--ink-2);
  margin-bottom:16px;
}
.wx-share-hint b{color:var(--brand-dark)}

/* ---------- 手机保存引导浮层：iOS/微信的 <a download> 不进相册，引导长按存储 ---------- */
.save-overlay{
  position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;
  background:rgba(15,20,34,.62);padding:16px;
}
.save-card{
  background:#fff;border-radius:16px;max-width:420px;width:100%;max-height:88vh;
  overflow:auto;padding:20px 18px;box-shadow:0 18px 60px rgba(0,0,0,.28);
}
.save-card h3{margin:0 0 6px;font-size:17px}
.save-tip{margin:0 0 12px;font-size:13.5px;color:var(--muted);line-height:1.55}
.save-img-wrap{
  background:var(--panel-2,#f6f7fb);border:1px dashed var(--line);border-radius:12px;
  padding:10px;margin-bottom:14px;text-align:center;
  -webkit-touch-callout:default;               /* 允许 iOS 长按呼出存储菜单 */
  -webkit-user-select:none;user-select:none;
}
.save-img-wrap img{
  max-width:100%;max-height:52vh;display:block;margin:0 auto;
  -webkit-touch-callout:default;pointer-events:auto;
}

/* 可折叠说明：一行的 summary + 下拉箭头，点开展开 */
.tip-details{margin-top:10px}
.tip-details summary{cursor:pointer;list-style:none;font-size:12.5px;color:var(--muted);user-select:none}
.tip-details summary::-webkit-details-marker{display:none}
.tip-details .tip-arrow{display:inline-block;transition:transform .18s}
.tip-details[open] .tip-arrow{transform:rotate(180deg)}
.tip-details[open] summary{color:var(--ink)}

/* ---------------- 抠图完成引导弹窗（2026-11-01） ---------------- */
.cg-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(15, 23, 42, 0.55);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.cg-card {
  background: #fff; border-radius: 16px;
  max-width: 360px; width: 100%;
  padding: 24px 22px 20px; text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}
.cg-emoji { font-size: 40px; line-height: 1; }
.cg-title { font-size: 20px; font-weight: 700; margin: 10px 0 12px; color: #0f172a; }
.cg-body {
  text-align: left; font-size: 14px; line-height: 1.75; color: #334155;
  background: #f1f5f9; border-radius: 10px; padding: 12px 14px; margin-bottom: 16px;
}
.cg-body p { margin: 4px 0; }
.cg-note { color: #64748b; font-size: 12.5px; }