:root{--ink:#27231f;--paper:#fbf7ef;--cream:#f3eadb;--red:#a94732;--orange:#da7650;--green:#344c3d;--line:#dfd4c3}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif}header{height:78px;display:flex;align-items:center;justify-content:space-between;padding:0 max(5vw,24px);border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(251,247,239,.92);backdrop-filter:blur(12px);z-index:10}.brand{font-family:serif;font-weight:900;font-size:28px;color:var(--red);text-decoration:none;letter-spacing:4px}.brand small{display:block;font:8px sans-serif;letter-spacing:2px;color:#8f7769}nav{display:flex;gap:36px}nav a{color:var(--ink);text-decoration:none;font-size:14px}.ghost{border:1px solid var(--ink);border-radius:999px;background:transparent;padding:10px 18px}.hero{min-height:720px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;padding:70px max(7vw,28px);overflow:hidden}.hero-copy{max-width:640px}.eyebrow,.section-head>span{font-size:12px;letter-spacing:3px;font-weight:700;color:var(--red)}h1{font-family:serif;font-size:clamp(54px,6vw,92px);line-height:1.08;margin:22px 0}h1 em{font-style:normal;color:var(--red)}.hero p{max-width:570px;font-size:18px;line-height:1.9;color:#6d6258}.primary,.generate{display:inline-flex;align-items:center;gap:60px;padding:17px 22px 17px 28px;border:0;background:var(--red);color:white;text-decoration:none;border-radius:3px;font-weight:700}.primary b,.generate b{font-size:22px}.trust{display:flex;gap:24px;margin-top:34px;font-size:13px;color:#766b61}.hero-art{height:560px;position:relative}.sun{position:absolute;width:380px;height:380px;border-radius:50%;background:#e9c478;top:40px;left:16%;opacity:.8}.book{position:absolute;width:205px;height:285px;background:var(--red);box-shadow:16px 19px 0 #7f3022;color:#fff;display:flex;align-items:center;justify-content:center;font:700 44px serif;transform:rotate(-8deg);top:150px;left:18%}.b2{background:var(--green);box-shadow:16px 19px 0 #23352b;transform:rotate(9deg);left:48%;top:120px}.idea{position:absolute;right:2%;bottom:35px;background:#fff;padding:18px 30px;box-shadow:0 20px 45px #5f49352a}.idea strong{font:800 62px serif;color:var(--red)}.idea small{display:block;letter-spacing:2px}.spark{position:absolute;color:var(--red);font-size:36px}.s1{top:40px;right:10%}.s2{bottom:60px;left:8%}.steps{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.steps>div{padding:55px max(4vw,28px);border-right:1px solid var(--line)}.steps b{color:var(--red);font:700 30px serif}.steps h3{font-size:22px}.steps p{color:#74695f;line-height:1.7}.workspace,.results{padding:100px max(8vw,28px)}.section-head{text-align:center}.section-head h2,.topic-head h2{font:700 clamp(34px,4vw,54px) serif;margin:14px 0}.section-head p{color:#766b61}form{max-width:960px;margin:50px auto 0;background:#fff;padding:42px;display:grid;grid-template-columns:1fr 1fr;gap:28px;box-shadow:0 20px 60px #6b564217}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:10px}.field input{width:100%;padding:16px;border:1px solid var(--line);background:var(--paper);font-size:16px}.wide{grid-column:1/-1}.chips{display:flex;flex-wrap:wrap;gap:10px}.chips button,.filter button{border:1px solid var(--line);background:transparent;padding:10px 16px;border-radius:999px}.chips button.active,.filter button.active{background:var(--green);color:#fff;border-color:var(--green)}.generate{grid-column:1/-1;justify-content:space-between;font-size:16px;cursor:pointer}.generate.loading{opacity:.65}.results{background:#efe6d8}.hidden{display:none}.left{text-align:left}.insight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:36px 0 80px}.insight{background:#fff;padding:26px}.insight h3{color:var(--red)}.insight span{display:inline-block;background:var(--paper);padding:7px 10px;margin:4px;font-size:13px}.topic-head{display:flex;justify-content:space-between;align-items:end}.filter{display:flex;gap:8px}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:35px}.topic{background:#fff;padding:26px;cursor:pointer;transition:.2s;border-top:4px solid transparent}.topic:hover{transform:translateY(-4px);border-top-color:var(--red)}.topic .meta{display:flex;justify-content:space-between;color:var(--red);font-size:12px}.topic h3{font:700 22px serif;line-height:1.5}.topic p{color:#756a60;line-height:1.65;font-size:14px}footer{background:var(--green);color:#e9e0d3;padding:65px max(7vw,28px);display:grid;grid-template-columns:1fr 2fr 1fr;align-items:end}.light{color:#fff}footer span{text-align:right;font-size:12px}dialog{max-width:720px;width:calc(100% - 32px);border:0;padding:46px;background:var(--paper);box-shadow:0 24px 90px #0005}dialog::backdrop{background:#18231dcc;backdrop-filter:blur(5px)}.close{position:absolute;right:18px;top:12px;border:0;background:none;font-size:34px}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:25px 0}.detail-grid div{background:#fff;padding:18px}.detail-grid small{display:block;color:var(--red);margin-bottom:6px}.copy{cursor:pointer}.toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:12px 22px;border-radius:3px;opacity:0;transition:.2s;z-index:99}.toast.show{opacity:1;transform:translate(-50%,0)}@media(max-width:800px){header nav{display:none}.hero{grid-template-columns:1fr;padding-top:55px}.hero-art{height:430px}.sun{width:300px;height:300px}.book{width:155px;height:220px;font-size:32px}.steps,.insight-grid,.topic-grid{grid-template-columns:1fr}.steps>div{border-right:0;border-bottom:1px solid var(--line)}form{grid-template-columns:1fr;padding:24px}.field{grid-column:1/-1}.topic-head{display:block}.filter{overflow:auto;padding-bottom:8px}.detail-grid{grid-template-columns:1fr}footer{grid-template-columns:1fr;gap:24px}footer span{text-align:left}.trust{flex-wrap:wrap}}