:root{--ink:#18312e;--green:#165d57;--deep:#113c39;--gold:#eebd64;--paper:#fffdf8;--soft:#e8f2ef;--line:#d4e1dc;--muted:#5b7470}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.78 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}.hero{padding:80px 24px 70px;text-align:center;color:#fff;background:radial-gradient(circle at 72% 18%,#3a8c82 0,transparent 26%),linear-gradient(135deg,#0e3f3c,#1b6961)}.eyebrow{margin:0 0 8px;font-size:12px;letter-spacing:1.6px;font-weight:700;color:var(--green)}.hero .eyebrow{color:#d1e9e4}.hero h1{max-width:760px;margin:0 auto 14px;font-family:Georgia,"Songti SC",serif;font-size:clamp(34px,7vw,58px);line-height:1.18}.hero-lead{margin:0 auto 24px;font-size:clamp(17px,2.5vw,21px);color:#e5f2ef}.hero-link{display:inline-block;padding:10px 18px;border:1px solid #cae5df;border-radius:99px;color:#fff;text-decoration:none;font-weight:700}main{width:min(1040px,calc(100% - 32px));margin:30px auto 68px}.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:0 10px 32px #163b3610}.opening{max-width:780px;margin:0 auto 54px;border-top:5px solid var(--gold);font-size:17px}.opening p{margin:0 0 15px}.lead{font-weight:700}.pillars{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}.pillars span{padding:7px 13px;border-radius:99px;background:var(--soft);color:var(--green);font-weight:700}.section-title{text-align:center;margin:0 0 24px}.section-title h2,.return h2,.daily h2{margin:0;font-family:Georgia,"Songti SC",serif;font-size:clamp(27px,4vw,38px);line-height:1.3}.lesson-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.lesson{min-height:274px;position:relative}.lesson h3{margin:0 0 12px;font-size:21px}.lesson p{margin:0 0 12px}.lesson ul{margin:0 0 12px;padding-left:20px}.number{font-size:12px;font-weight:800;letter-spacing:1.4px;color:#b78122}.phrases{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0}.phrases span{border:1px solid #b9d5ce;border-radius:7px;padding:3px 8px;color:var(--green);font-size:14px;font-weight:700}.takeaway{color:var(--green);font-weight:700}blockquote{margin:14px 0 0;padding:10px 14px;border-left:3px solid var(--gold);background:#fffaf0;color:#475e59}.lesson-wide{grid-column:1/-1;min-height:0}.principle-grid,.return-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.principle-grid>div{padding:14px;background:var(--soft);border-radius:12px}.principle-grid strong,.principle-grid span{display:block}.principle-grid strong{color:var(--green);margin-bottom:5px}.principle-grid span{font-size:14px;color:var(--muted)}.return{margin:50px 0;background:linear-gradient(135deg,#173e3b,#1f655d);color:#fff;border:0}.return .eyebrow{color:#c5dfda}.return h2{margin-bottom:24px}.return-grid>div{padding:18px 0;border-top:1px solid #ffffff4d}.return-grid span,.return-grid strong{display:block}.return-grid span{color:#f1ca7b;font-size:13px;font-weight:800}.return-grid strong{margin-top:6px;font-size:18px}.daily{max-width:780px;margin:0 auto}.section-head{display:flex;gap:18px;align-items:start;justify-content:space-between}.copy-button{border:1px solid var(--green);border-radius:9px;padding:9px 12px;background:#fff;color:var(--green);font:inherit;font-weight:700;white-space:nowrap;cursor:pointer}.prompt-list{margin:24px 0 16px}.prompt-list>div{display:flex;gap:13px;padding:14px 0;border-top:1px solid var(--line)}.prompt-list b{display:grid;place-items:center;flex:0 0 29px;height:29px;border-radius:50%;background:var(--soft);color:var(--green)}.prompt-list p{margin:0}.prompt-list span{font-size:14px;color:var(--muted)}pre{margin:0;padding:18px;border-radius:12px;overflow:auto;background:#f3f7f5;color:var(--ink);font:15px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre-wrap}.copy-message{min-height:24px;margin:10px 0 0;color:var(--green);font-weight:700}.closing{max-width:760px;margin:58px auto 0;text-align:center;font-size:17px}.closing p{margin:0 0 13px}.closing-strong{font-weight:700;color:var(--green)}.signature{margin-top:25px!important;font-weight:700}footer{padding:24px;text-align:center;background:var(--deep);color:#dcebe7;letter-spacing:1.5px;font-size:13px}@media(max-width:680px){.hero{padding:56px 20px}.card{padding:22px}.lesson-grid,.principle-grid,.return-grid{grid-template-columns:1fr}.lesson{min-height:0}.lesson-wide{grid-column:auto}.opening{font-size:16px}.section-head{align-items:center}.daily{margin-top:0}main{margin-top:22px}.return{margin:38px 0}.return-grid>div{padding:12px 0}}