*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;background:linear-gradient(135deg,#fff7ed,#eff6ff 48%,#ecfdf5);color:#172033}.app-shell{max-width:1280px;margin:0 auto;padding:24px}.hero{border-radius:28px;padding:28px;background:rgba(255,255,255,.84);box-shadow:0 18px 45px rgba(30,64,175,.12);border:1px solid rgba(255,255,255,.8);margin-bottom:22px}.brand-badge{display:inline-flex;padding:8px 14px;border-radius:999px;background:#111827;color:#fff;font-weight:800;letter-spacing:.08em}.hero h1{font-size:42px;margin:16px 0 10px}.hero p{font-size:18px;line-height:1.7;margin:0;color:#475569}.workspace{display:grid;grid-template-columns:430px 1fr;gap:22px}.panel{background:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.8);border-radius:28px;box-shadow:0 18px 45px rgba(15,23,42,.1)}.form-panel{padding:22px}.form-panel h2{margin:0 0 18px;font-size:28px}.field{display:block;margin-bottom:16px}.field span{display:block;font-weight:800;margin-bottom:8px;color:#334155;font-size:16px}input,select,textarea{width:100%;border:2px solid #e2e8f0;border-radius:16px;padding:13px 14px;font-size:17px;background:#fff;outline:none}textarea{resize:vertical;line-height:1.55}input:focus,select:focus,textarea:focus{border-color:#60a5fa;box-shadow:0 0 0 4px rgba(96,165,250,.18)}.button-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}.btn{border:0;border-radius:18px;padding:15px 12px;background:#e2e8f0;color:#0f172a;font-weight:900;font-size:17px;cursor:pointer}.btn.primary{background:linear-gradient(135deg,#2563eb,#7c3aed);color:white}.btn.success{background:linear-gradient(135deg,#16a34a,#22c55e);color:white}.btn:active{transform:scale(.98)}.preview-panel{padding:22px;display:flex;align-items:center;justify-content:center;overflow:auto}.task-card{width:680px;min-height:960px;border-radius:36px;background:#fff;box-shadow:0 22px 60px rgba(15,23,42,.22);overflow:hidden;position:relative;border:8px solid rgba(255,255,255,.7)}.card-watermark{position:absolute;right:20px;top:18px;z-index:4;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.72);font-size:15px;font-weight:900;color:#334155}.card-visual{height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;text-align:center;background:linear-gradient(135deg,#fb923c,#f97316)}.visual-icon{font-size:88px;filter:drop-shadow(0 12px 14px rgba(0,0,0,.16))}.visual-text{margin-top:8px;font-size:28px;font-weight:1000;letter-spacing:.08em}.card-content{padding:34px}.card-tag{display:inline-block;background:#fef3c7;color:#92400e;border-radius:999px;padding:8px 16px;font-weight:1000;font-size:18px}.card-content h2{font-size:44px;line-height:1.15;margin:18px 0 24px;color:#111827}.section-block{background:#f8fafc;border:2px dashed #cbd5e1;border-radius:24px;padding:22px;margin:18px 0}.section-block h3{font-size:25px;margin:0 0 12px}.section-block ol{margin:0;padding-left:28px}.section-block li{font-size:22px;line-height:1.6;margin:8px 0}.tips-block{background:#eff6ff;border-color:#bfdbfe}.tips-block p{font-size:22px;line-height:1.65;margin:0;color:#1e3a8a}.reward-box{margin-top:22px;border-radius:26px;padding:24px;background:linear-gradient(135deg,#fef3c7,#fde68a);border:3px solid #f59e0b}.reward-box span{display:block;font-weight:900;color:#92400e;font-size:20px;margin-bottom:6px}.reward-box strong{font-size:30px;color:#78350f}.card-footer{padding:18px 28px;background:#111827;color:#fff;text-align:center;font-weight:800;font-size:18px}.style-cute .card-visual{background:linear-gradient(135deg,#fb7185,#f0abfc)}.style-princess .card-visual{background:linear-gradient(135deg,#f9a8d4,#c084fc)}.style-hero .card-visual{background:linear-gradient(135deg,#0f172a,#2563eb)}.style-study .card-visual{background:linear-gradient(135deg,#22c55e,#0ea5e9)}.style-family .card-visual{background:linear-gradient(135deg,#f97316,#ef4444)}.style-store .card-visual{background:linear-gradient(135deg,#06b6d4,#2563eb)}.style-star .card-visual{background:linear-gradient(135deg,#f59e0b,#facc15)}.toast{position:fixed;left:50%;bottom:32px;transform:translateX(-50%) translateY(30px);background:#111827;color:#fff;padding:12px 18px;border-radius:999px;font-weight:900;opacity:0;transition:.25s;z-index:99}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}@media(max-width:900px){.app-shell{padding:14px}.hero{padding:20px;border-radius:22px}.hero h1{font-size:32px}.hero p{font-size:16px}.workspace{grid-template-columns:1fr}.button-grid{grid-template-columns:1fr}.task-card{width:100%;min-height:0;border-radius:28px}.card-visual{height:190px}.visual-icon{font-size:64px}.card-content{padding:22px}.card-content h2{font-size:32px}.section-block li,.tips-block p{font-size:18px}.reward-box strong{font-size:24px}.preview-panel{padding:12px}}@media print{body{background:#fff}.hero,.form-panel{display:none}.workspace{display:block}.preview-panel{box-shadow:none;border:0;padding:0}.task-card{box-shadow:none;margin:0 auto}}
.quick-flow{display:flex;gap:12px;padding:14px;margin-bottom:22px;align-items:center;justify-content:center}.flow-step{flex:1;text-align:center;border-radius:18px;background:#f8fafc;padding:12px;font-weight:900;color:#64748b}.flow-step span{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:999px;background:#e2e8f0;margin-right:8px}.flow-step.active{background:#eff6ff;color:#1d4ed8}.theme-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.theme-card,.task-item{border:2px solid #e2e8f0;background:#fff;border-radius:20px;padding:14px;cursor:pointer;text-align:left;transition:.15s}.theme-card{min-height:86px}.theme-card strong{display:block;font-size:20px;margin-bottom:6px}.theme-card span{font-size:14px;color:#64748b}.theme-card.active,.task-item.active{border-color:#2563eb;background:#eff6ff;box-shadow:0 10px 24px rgba(37,99,235,.15)}.task-list{display:grid;gap:10px}.task-item strong{display:block;font-size:18px}.task-item span{display:block;margin-top:4px;color:#64748b;font-size:14px;line-height:1.45}.mt{margin-top:24px!important}.edit-box{margin-top:20px;border:2px dashed #cbd5e1;border-radius:20px;padding:14px;background:#f8fafc}.edit-box summary{font-weight:900;cursor:pointer;font-size:18px;margin-bottom:12px}.style-adventure .card-visual{background:linear-gradient(135deg,#fb923c,#f97316)}
@media(max-width:900px){.quick-flow{flex-direction:column}.flow-step{width:100%}.theme-grid{grid-template-columns:1fr}.theme-card{min-height:74px}.edit-box[open]{padding:12px}}
/* v3 契约生成器 */
.hero h1{letter-spacing:.02em}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}.contract-card{width:760px;min-height:1080px;border-radius:30px;background:#fff;box-shadow:0 22px 60px rgba(15,23,42,.22);overflow:hidden;position:relative;border:6px solid #d97706}.contract-watermark{position:absolute;right:18px;top:18px;z-index:4;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.72);font-size:15px;font-weight:900;color:#334155}.contract-header{min-height:230px;padding:28px 34px 22px;color:#fff;text-align:center;background:linear-gradient(135deg,#fb923c,#f97316);position:relative}.contract-seal{position:absolute;left:28px;top:28px;width:74px;height:74px;border:4px solid rgba(255,255,255,.82);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:1000;transform:rotate(-12deg)}.contract-brand{font-weight:1000;font-size:22px;letter-spacing:.08em}.contract-header h2{font-size:44px;line-height:1.15;margin:26px 0 10px}.contract-header p{margin:0;font-size:17px;font-weight:800;opacity:.92}.contract-content{padding:30px}.party-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.party-grid>div{background:#f8fafc;border:2px solid #e2e8f0;border-radius:20px;padding:16px}.party-grid span{display:block;font-size:15px;color:#64748b;font-weight:800}.party-grid strong{display:block;font-size:28px;margin-top:6px;color:#111827}.date-line{display:flex;justify-content:space-between;gap:12px;margin:18px 0;padding:15px 18px;border-radius:18px;background:#fffbeb;color:#92400e;font-size:18px;font-weight:800}.contract-preamble{line-height:1.8;font-size:19px;color:#334155;margin:12px 0 18px}.contract-section{background:#f8fafc;border:2px dashed #cbd5e1;border-radius:22px;padding:18px 20px;margin:16px 0}.contract-section h3{font-size:23px;margin:0 0 10px;color:#111827}.contract-section ol{margin:0;padding-left:28px}.contract-section li{font-size:19px;line-height:1.58;margin:5px 0}.contract-section p{font-size:19px;line-height:1.7;margin:0;color:#1e3a8a}.reward-box-contract{background:linear-gradient(135deg,#fef3c7,#fde68a);border-style:solid;border-color:#f59e0b}.reward-box-contract strong{font-size:24px;color:#78350f}.signature-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:28px}.signature-grid span{display:block;font-size:18px;font-weight:900;color:#111827}.sign-line{height:54px;border-bottom:3px solid #111827}.style-cute .contract-header{background:linear-gradient(135deg,#fb7185,#f0abfc)}.style-princess .contract-header{background:linear-gradient(135deg,#f9a8d4,#c084fc)}.style-hero .contract-header{background:linear-gradient(135deg,#0f172a,#2563eb)}.style-study .contract-header{background:linear-gradient(135deg,#22c55e,#0ea5e9)}.style-family .contract-header{background:linear-gradient(135deg,#f97316,#ef4444)}.style-store .contract-header{background:linear-gradient(135deg,#06b6d4,#2563eb)}.style-star .contract-header{background:linear-gradient(135deg,#f59e0b,#facc15)}.style-adventure .contract-header{background:linear-gradient(135deg,#fb923c,#f97316)}
@media(max-width:900px){.two-col{grid-template-columns:1fr}.contract-card{width:100%;min-height:0;border-radius:24px}.contract-header{padding:24px 18px 18px;min-height:210px}.contract-seal{width:58px;height:58px;font-size:20px}.contract-brand{font-size:18px}.contract-header h2{font-size:32px;margin-top:36px}.contract-content{padding:18px}.party-grid,.signature-grid{grid-template-columns:1fr}.date-line{flex-direction:column}.contract-section li,.contract-section p,.contract-preamble{font-size:17px}.reward-box-contract strong{font-size:21px}}
@media print{body{background:#fff}.hero,.form-panel,.quick-flow{display:none}.workspace{display:block}.preview-panel{box-shadow:none;border:0;padding:0}.contract-card{box-shadow:none;margin:0 auto}}

/* v1.1 正式契约风格：去卡通化、去彩色主图 */
body{background:#f3f4f6;color:#111827}.hero{background:#fff;border:1px solid #d1d5db;box-shadow:0 12px 32px rgba(17,24,39,.08)}.brand-badge{background:#111827;color:#fff}.hero h1{color:#111827}.contract-card{border:6px solid #111827;border-radius:18px;box-shadow:0 18px 50px rgba(17,24,39,.18)}.contract-header,.style-cute .contract-header,.style-princess .contract-header,.style-hero .contract-header,.style-study .contract-header,.style-family .contract-header,.style-store .contract-header,.style-star .contract-header,.style-adventure .contract-header{background:#f9fafb!important;color:#111827;border-bottom:4px double #111827;min-height:210px}.contract-seal{border-color:#111827;color:#111827;background:#fff;transform:none}.contract-brand{color:#111827}.contract-header h2{color:#111827}.contract-header p{color:#374151}.contract-watermark{background:#111827;color:#fff}.party-grid>div{background:#fff;border-color:#9ca3af}.date-line{background:#f9fafb;color:#111827;border:1px solid #9ca3af}.contract-preamble{color:#1f2937}.contract-section{background:#fff;border:1px solid #9ca3af;border-radius:14px}.reward-box-contract{background:#f9fafb;border:2px solid #111827}.reward-box-contract strong{color:#111827}.card-footer{background:#111827}.theme-card.active,.task-item.active{border-color:#111827;background:#f9fafb;box-shadow:0 8px 18px rgba(17,24,39,.12)}.btn.primary{background:#111827}.btn.success{background:#14532d}

/* v1.2 亲子契约：增加事项库和奖励下拉，契约内容精简为履行事项 + 奖励 */
.reward-select-area{margin:8px 0 14px;padding:14px;border:1px solid #d1d5db;border-radius:18px;background:#f9fafb}
.task-item strong{font-size:19px}.task-item span{font-size:15px;color:#4b5563}.contract-card{min-height:980px}.contract-header{min-height:190px}.contract-section li{font-size:20px;line-height:1.65}.reward-box-contract strong{display:block;line-height:1.5}.signature-grid{margin-top:34px}.contract-preamble{font-size:18px}
@media(max-width:900px){.reward-select-area{padding:10px}.contract-card{min-height:0}.contract-header{min-height:180px}.contract-section li{font-size:18px}.contract-preamble{font-size:17px}}

/* v1.3 导出和预览细节优化：履行事项更居中，底部品牌不再使用大黑边 */
.contract-section ol{padding-left:42px;}
.contract-section li{padding-left:6px;}
.contract-card .card-footer{background:#fff;color:#6b7280;border-top:1px solid #e5e7eb;font-size:16px;padding:14px 24px;}
@media(max-width:900px){.contract-section ol{padding-left:32px;}}

/* v1.4 标题与签字区优化 */
.contract-header h2{max-width:calc(100% - 120px);margin:26px auto 10px;padding:0 24px;word-break:break-all;text-align:center;}
.reward-box-contract{padding-bottom:30px;}
.signature-grid{margin-top:48px;padding-top:6px;}
@media(max-width:900px){.contract-header h2{max-width:100%;padding:0 8px;}.signature-grid{margin-top:34px;}}

/* v1.5 量化契约与失效条款 */
.invalid-clause{background:#fff7ed;border-color:#fed7aa;}
.invalid-clause p{margin:8px 0 0;line-height:1.85;color:#7c2d12;font-weight:700;}
.contract-section ol li{margin-bottom:6px;}


/* v1.6：履行事项确认方框 + 失效条款文字防溢出 */
#cardSteps{padding-left:34px;}
#cardSteps li{position:relative;margin:8px 0;padding-right:48px;font-size:19px;line-height:1.55;}
#cardSteps .step-check{position:absolute;right:0;top:3px;width:26px;height:26px;border:2.5px solid #111827;border-radius:4px;background:#fff;}
.invalid-clause p{font-size:16px;line-height:1.6;font-weight:600;word-break:break-word;}
.invalid-clause{padding-bottom:16px;}
@media(max-width:900px){#cardSteps{padding-left:28px}#cardSteps li{font-size:17px;padding-right:40px}.step-check{width:24px;height:24px}.invalid-clause p{font-size:15px;line-height:1.55}}


/* v1.8 明显修复：页面预览和导出都改成黑白打印友好 */
.contract-card{background:#fff!important;border:6px solid #111827!important;box-shadow:0 12px 36px rgba(17,24,39,.12)!important;}
.contract-header,.style-cute .contract-header,.style-princess .contract-header,.style-hero .contract-header,.style-study .contract-header,.style-family .contract-header,.style-store .contract-header,.style-star .contract-header,.style-adventure .contract-header{background:#fff!important;color:#111827!important;border-bottom:3px double #111827!important;}
.contract-section,.reward-box-contract,.invalid-clause{background:#fff!important;border:1.8px solid #9ca3af!important;color:#111827!important;}
.reward-box-contract strong,.invalid-clause p{color:#111827!important;}
.invalid-clause p{font-size:15px!important;line-height:1.5!important;font-weight:500!important;}
.reward-box-contract{min-height:142px;padding-bottom:46px!important;}
.invalid-clause{min-height:156px;padding-bottom:26px!important;}
.signature-grid{margin-top:64px!important;padding-top:10px!important;}
.contract-card .card-footer{background:#fff!important;color:#6b7280!important;border-top:1px solid #e5e7eb!important;}
.version-note{font-size:13px;color:#6b7280;text-align:center;margin-top:8px;}
@media print{.contract-section,.reward-box-contract,.invalid-clause{background:#fff!important}.contract-card{box-shadow:none!important}}


/* v1.9 A4紧凑打印版：不增加导出高度，压缩履行事项卡片和底部间距 */
.contract-section{background:#fff!important;border:1.6px solid #9ca3af!important;}
.contract-section ol{padding-left:30px!important;}
#cardSteps li{font-size:17px!important;line-height:1.42!important;margin:4px 0!important;padding-right:42px!important;}
#cardSteps .step-check{width:22px!important;height:22px!important;top:2px!important;}
.reward-box-contract{min-height:86px!important;padding-bottom:16px!important;}
.invalid-clause{min-height:96px!important;padding-bottom:12px!important;}
.invalid-clause p{font-size:14px!important;line-height:1.45!important;font-weight:500!important;color:#374151!important;}
.signature-grid{margin-top:30px!important;padding-top:0!important;}
.contract-card .card-footer{background:#fff!important;color:#6b7280!important;border-top:1px solid #e5e7eb!important;}

/* v2.0 */
.button-grid .home-link{display:flex;align-items:center;justify-content:center;text-decoration:none;background:#fff;border:2px solid #111827;color:#111827;}
@media(max-width:900px){.button-grid{grid-template-columns:1fr}.button-grid .home-link{min-height:54px}}


/* v2.1 顶部返回首页按钮 + 导出按钮优化 */
.hero{position:relative;}
.top-home-btn{position:absolute;left:18px;top:18px;display:inline-flex;align-items:center;justify-content:center;padding:9px 15px;border-radius:999px;background:#111827;color:#fff;text-decoration:none;font-weight:900;font-size:15px;box-shadow:0 8px 20px rgba(17,24,39,.16);}
.top-home-btn:hover{transform:translateY(-1px);}
@media(max-width:700px){.top-home-btn{position:static;margin:0 auto 14px;width:max-content;display:flex}.hero{text-align:center}}


/* v2.4 顶部返回主页按钮修复：改成正常占位，不再覆盖标题 */
.hero{position:relative;}
.top-home-btn{position:static!important;display:inline-flex!important;width:max-content;margin:0 0 14px 0;padding:10px 16px;border-radius:999px;background:#111827;color:#fff;text-decoration:none;font-weight:900;font-size:15px;box-shadow:0 8px 20px rgba(17,24,39,.16);}
@media(max-width:700px){.top-home-btn{margin:0 auto 14px!important;}}


/* v2.5：去掉未完成失效条款卡片方框线 */
.invalid-clause{
  border:none!important;
  background:transparent!important;
  min-height:auto!important;
  padding:6px 2px 4px!important;
  margin:12px 0 10px!important;
}
.invalid-clause h3{
  margin-bottom:8px!important;
}
.invalid-clause p{
  color:#374151!important;
}