:root{--bg:#ffffff;--soft:#f7fbff;--ink:#243041;--muted:#68768a;--line:#e8eef7;--brand:#7ddcff;--brand2:#d892ff;--accent:#ffb6d8;--green:#61c9a8;--gold:#f5b642;--shadow:0 10px 30px rgba(36,48,65,.08)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Microsoft YaHei UI","Microsoft YaHei",system-ui,sans-serif;line-height:1.72}.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:14px 28px}.brand{font-weight:800;color:#41506a;text-decoration:none;letter-spacing:.04em}.brand span{color:#d892ff}nav{display:flex;gap:6px;flex-wrap:wrap}.nav-link{padding:8px 12px;border-radius:999px;color:#56657a;text-decoration:none;font-size:14px}.nav-link:hover,.nav-link.active{background:linear-gradient(90deg,#ecfbff,#fff1fb);color:#2d405b}.home{max-width:1180px;margin:0 auto;padding:30px 22px 70px}.hero{border:1px solid var(--line);background:linear-gradient(135deg,#fff,#f7fbff 45%,#fff4fb);border-radius:28px;padding:44px;box-shadow:var(--shadow);overflow:hidden}.hero.small{padding:30px;margin-bottom:22px}.eyebrow{color:#8a6bd6;font-weight:800;letter-spacing:.16em;text-transform:uppercase;font-size:12px}.hero h1{font-size:42px;line-height:1.18;margin:6px 0 12px}.hero p{color:var(--muted);font-size:17px;max-width:820px}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}.hero-img{width:100%;border-radius:24px;border:1px solid var(--line);box-shadow:var(--shadow)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:22px}.guide-card{display:block;text-decoration:none;color:inherit;border:1px solid var(--line);border-radius:22px;padding:22px;background:#fff;box-shadow:var(--shadow);transition:.18s}.guide-card:hover{transform:translateY(-3px);border-color:#cfe9ff}.guide-card b{display:block;font-size:20px;margin-bottom:8px}.guide-card p{margin:0;color:var(--muted)}.icon{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:grid;place-items:center;color:white;font-size:22px;margin-bottom:12px}.layout{display:grid;grid-template-columns:260px minmax(0,980px);gap:28px;max-width:1280px;margin:0 auto;padding:26px 22px 70px}.toc{position:sticky;top:82px;height:calc(100vh - 110px);overflow:auto;border:1px solid var(--line);border-radius:22px;padding:18px;background:#fff;box-shadow:var(--shadow)}.toc-title{font-weight:800;margin-bottom:10px}.toc a{display:block;color:#63728a;text-decoration:none;padding:8px 10px;border-radius:12px;font-size:14px}.toc a:hover{background:var(--soft);color:#2d405b}.content{min-width:0}.card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;margin:18px 0;box-shadow:var(--shadow)}h2{margin:0 0 14px;font-size:26px}h3{margin:18px 0 8px;font-size:19px}.lead{color:var(--muted);font-size:16px}.pills{display:flex;flex-wrap:wrap;gap:10px}.pills span{background:#f2f8ff;border:1px solid #dceeff;color:#40566f;padding:7px 12px;border-radius:999px}.steps{counter-reset:item;list-style:none;padding:0;margin:0;display:grid;gap:12px}.steps li{border:1px solid var(--line);border-radius:16px;padding:14px 16px;background:var(--soft)}.tip{border-left:4px solid var(--brand2);background:#fff8fd;padding:14px 16px;border-radius:14px;color:#4c5363}.warn{border-left:4px solid #ff9d7d;background:#fff8f5;padding:14px 16px;border-radius:14px;color:#684134}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}th{background:#f7fbff;color:#44566d;white-space:nowrap}tr:last-child td{border-bottom:none}.recipe-grid{display:grid;grid-template-columns:repeat(3,30px);gap:3px}.recipe-cell{width:30px;height:30px;border:1px solid #d9e4ef;border-radius:6px;background:#fbfdff;display:grid;place-items:center;font-size:11px;color:#4d5f76}.search{display:flex;gap:10px;align-items:center;margin:14px 0}.search input{flex:1;padding:12px 14px;border:1px solid var(--line);border-radius:14px;font-size:15px}.badge{display:inline-block;padding:3px 8px;border-radius:999px;background:#eef7ff;color:#426b8b;font-size:12px}.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.gallery img{width:100%;border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow)}.footer{margin-top:30px;color:#8a95a6;text-align:center}.to-top{position:fixed;right:22px;bottom:22px;border:0;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border-radius:999px;width:44px;height:44px;box-shadow:var(--shadow);cursor:pointer}@media(max-width:900px){.layout{grid-template-columns:1fr}.toc{position:relative;top:0;height:auto}.topbar{align-items:flex-start;flex-direction:column}.hero-grid{grid-template-columns:1fr}.hero h1{font-size:32px}}

/* mobile recipe improvements */
@media(max-width:640px){.topbar{padding:10px 14px}.brand{font-size:15px}nav{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}.nav-link{white-space:nowrap;font-size:13px;padding:7px 10px}.home{padding:18px 12px 48px}.hero{padding:24px 18px;border-radius:20px}.hero h1{font-size:28px}.layout{padding:14px 10px 54px}.card{padding:18px;border-radius:18px}.grid{grid-template-columns:1fr}.toc{display:none}.table-wrap{border:0;overflow:visible}.recipe-table thead{display:none}.recipe-table,.recipe-table tbody,.recipe-table tr,.recipe-table td{display:block;width:100%}.recipe-table tr{border:1px solid var(--line);border-radius:16px;margin:12px 0;padding:10px;background:#fff;box-shadow:var(--shadow)}.recipe-table td{border:0;padding:8px 6px}.recipe-table td::before{content:attr(data-label);display:block;font-size:12px;color:#8a95a6;margin-bottom:3px}.recipe-grid{grid-template-columns:repeat(3,26px)}.recipe-cell{width:26px;height:26px}.search{position:sticky;top:58px;z-index:10;background:#fff;padding:8px 0}}

.gallery figure{margin:0}.gallery figcaption{margin-top:8px;color:#52647c;font-size:14px;text-align:center}.gallery figure img{aspect-ratio:16/9;object-fit:cover}

.step-guide{display:grid;gap:12px}.step-item{display:grid;grid-template-columns:52px 1fr;gap:14px;align-items:flex-start;border:1px solid var(--line);background:var(--soft);border-radius:18px;padding:14px 16px}.step-num{width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800;display:grid;place-items:center;font-size:18px;box-shadow:var(--shadow)}.step-item h3{margin:0 0 6px;font-size:18px}.step-item p{margin:0;color:var(--muted)}@media(max-width:640px){.step-item{grid-template-columns:42px 1fr;padding:12px}.step-num{width:42px;height:42px;border-radius:14px;font-size:16px}.step-item h3{font-size:16px}}

.manual-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.manual-box{border:1px solid var(--line);border-radius:18px;padding:16px;background:#fbfdff}.manual-box b{display:block;margin-bottom:6px;font-size:16px;color:#334358}.manual-box p{margin:0;color:var(--muted);font-size:14px}.manual-box strong{color:#1f3f5f}@media(max-width:640px){.manual-grid{grid-template-columns:1fr}.manual-box{padding:14px}}

.pills a{color:inherit;text-decoration:none}.next-guide{background:linear-gradient(135deg,#fff,#f8fcff)}.next-guide .pills span{transition:.16s}.next-guide .pills span:hover{transform:translateY(-2px);border-color:#cfe9ff}