:root{
 --bg:#FFF6F4;--deep:#F8E8E4;--surface:#FFFFFF;--surface2:#F8E8E4;--title:#3A1518;--text:#4A2428;--muted:#7A4E52;--soft:#A0787C;--red:#E35D6A;--pink:#F08A92;--gold:#C9A227;--peach:#F3B4B0;--brown:#3A1518;--border:rgba(227,93,106,.18);--shadow:0 12px 28px rgba(58,21,24,.08);--max:960px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%;object-fit:contain;object-position:center}.shell{width:min(calc(100% - 32px),var(--max));margin:0 auto}.site-head{position:fixed;z-index:50;top:0;left:0;right:0}.top-ribbon{height:20px;background:var(--red);color:#fff;font-size:12px}.top-ribbon-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-control,.menu-control,.close-control{border:0;background:transparent;color:inherit;cursor:pointer;min-width:44px;min-height:44px}.top-ribbon .text-control{min-height:20px;padding:0 8px;color:#fff}.brand-bar{height:54px;background:rgba(255,246,244,.98);border-bottom:1px solid var(--border);backdrop-filter:blur(8px)}.brand-bar-inner{height:54px;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand-link{display:flex;align-items:center;min-height:44px}.brand-logo{height:24px;width:auto;object-fit:contain}.brand-word{font-weight:800;font-size:16px;color:var(--title)}.brand-actions{display:flex;align-items:center;gap:8px}.head-app,.menu-control{height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border-radius:999px}.head-app{background:linear-gradient(135deg,#F08A92 0%,#E35D6A 52%,#C94A56 100%);color:#fff;font-weight:700}.menu-control{border:1px solid var(--border);color:var(--title);background:#fff}.petal-nav{height:44px;background:rgba(255,246,244,.98);border-bottom:1px solid var(--border)}.petal-nav-inner{height:44px;display:flex;align-items:center;gap:8px}.petal-link{width:88px;height:22px;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(227,93,106,.52);border-radius:999px;color:var(--title);font-size:13px}.petal-link.is-current{background:var(--red);color:#fff;border-color:var(--red)}.site-main{padding-top:118px;min-height:70vh}.page-section{padding:34px 0}.page-section+.page-section{border-top:1px solid var(--border)}.intro{padding-top:44px}.eyebrow{display:inline-flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.eyebrow a,.mini-tag{font-size:12px;padding:4px 10px;border-radius:999px;background:#fff;border:1px solid var(--border);color:var(--muted)}h1,h2,h3{color:var(--title);margin-top:0}h1{font-size:24px;line-height:1.3;margin-bottom:12px}h2{font-size:20px;line-height:1.4;margin-bottom:12px}h3{font-size:16px;line-height:1.45;margin-bottom:8px}p{margin:0 0 14px}.lead{font-size:17px;color:var(--title);font-weight:700}.section-note{color:var(--muted)}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.btn{min-height:42px;padding:0 18px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}.btn-primary{background:linear-gradient(135deg,#F08A92 0%,#E35D6A 52%,#C94A56 100%);color:#fff}.btn-secondary{background:#fff;color:var(--red);border:1px solid var(--border)}.btn:hover,.head-app:hover,.petal-link:hover{transform:translateY(-1px)}a:focus-visible,button:focus-visible{outline:3px solid rgba(201,162,39,.45);outline-offset:2px}.media-slot{width:100%;height:168px;background:linear-gradient(180deg,#fff,#FBECEA);border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain}.media-slot.tall{height:176px}.media-slot.short{height:160px}.media-slot.vertical{width:min(240px,100%);height:320px}.media-slot.banner{height:200px}.app-icon-slot{width:48px;height:48px;margin-top:12px;border-radius:12px}.section-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:20px}.warm-card{background:linear-gradient(180deg,#fff,#FFF3F1);border:1px solid var(--border);border-radius:12px;padding:18px}.two-narrow{display:grid;grid-template-columns:1fr 1fr;gap:16px}.two-narrow .warm-card{min-width:0}.split-soft{display:grid;grid-template-columns:.9fr 1.1fr;gap:18px;align-items:center}.stack-list{display:grid;gap:12px}.stack-item{padding:16px 0;border-bottom:1px solid var(--border)}.stack-item:last-child{border-bottom:0}.petal-index{display:flex;gap:10px;flex-wrap:wrap}.petal-index a{background:#fff;border:1px solid var(--border);border-radius:999px;padding:7px 12px}.petal-cut{position:relative;padding:22px;background:#fff;border:1px solid var(--border);border-radius:40px 12px 40px 12px}.petal-page{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}.petal-page>article{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px}.wrap-petal{display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:start}.wrap-petal .copy{padding-top:10px}.status-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.status-strip div{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px}.lesson-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.lesson-grid article{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px}.article-body{max-width:760px}.article-body p{margin-bottom:18px}.quote-note{padding:16px 18px;border-left:4px solid var(--gold);background:#fff;border-radius:0 10px 10px 0;color:var(--muted)}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px}.site-footer{background:var(--brown);color:#F8E8E4;border-top:1px solid rgba(227,93,106,.42);margin-top:34px}.footer-top{padding:32px 0 88px}.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:22px}.footer-brand strong{font-size:18px}.footer-brand span{color:#F3B4B0}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-groups h2{color:#fff;font-size:14px;margin:0 0 8px}.footer-groups a{display:block;font-size:13px;color:#F8E8E4;padding:4px 0}.footer-note,.footer-copy{font-size:13px;color:#E8D6D8}.footer-note{margin-top:22px}.overlay{position:fixed;inset:0;background:rgba(58,21,24,.28);z-index:70;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-active{opacity:1;visibility:visible;pointer-events:auto}.menu-panel{position:fixed;left:0;right:0;bottom:0;z-index:80;max-height:240px;background:#FFF9F8;border-top:1px solid var(--border);box-shadow:0 -18px 45px rgba(58,21,24,.12);transform:translateY(104%);visibility:hidden;pointer-events:none;transition:.24s}.menu-panel.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}.menu-panel-head{height:52px;display:flex;align-items:center;justify-content:space-between}.menu-brand{display:flex;align-items:center;gap:10px}.menu-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding-bottom:16px}.menu-grid h2{font-size:14px;margin-bottom:6px}.menu-grid a{display:block;padding:4px 0}.menu-grid b{display:block;font-size:13px;color:var(--title)}.menu-grid span{display:block;font-size:11px;color:var(--muted);line-height:1.45}.close-control{color:var(--red);padding:0 8px}.search-panel{position:fixed;top:74px;left:0;right:0;z-index:85;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{background:#fff;border:1px solid var(--border);border-radius:0 0 12px 12px;box-shadow:var(--shadow);padding:20px}.search-head{display:flex;align-items:center;justify-content:space-between}.search-links{display:flex;gap:10px;flex-wrap:wrap}.search-links a{padding:9px 14px;border-radius:999px;background:#FFF0EE;border:1px solid var(--border);color:var(--title)}body.panel-open{overflow:hidden}.mobile-bottom{display:none}
@media (max-width:720px){.shell{width:min(calc(100% - 32px),var(--max))}.site-main{padding-top:74px;padding-bottom:58px}.petal-nav{display:none}.top-ribbon-inner{padding:0}.brand-actions{gap:4px}.head-app,.menu-control{padding:0 11px}.two-narrow,.split-soft,.petal-page,.lesson-grid,.status-strip{grid-template-columns:1fr}.wrap-petal{grid-template-columns:1fr}.wrap-petal .media-slot.vertical{margin:0 auto}.footer-groups{grid-template-columns:1fr 1fr}.menu-panel{max-height:70vh;overflow:auto}.menu-grid{grid-template-columns:1fr 1fr}.search-panel{top:0;bottom:0;background:var(--red);padding-top:20px}.search-card{height:100%;border-radius:0;background:var(--red);color:#fff;border:0;box-shadow:none}.search-card strong,.search-card p{color:#fff}.search-card .close-control{color:#fff}.search-links a{background:#fff;color:var(--title);border-color:rgba(255,255,255,.4)}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;z-index:60;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}.mobile-bottom a.is-current{background:var(--red);color:#fff}.page-section{padding:28px 0}.intro{padding-top:36px}.footer-top{padding-bottom:78px}}