:root{--bg:#FFF8E8;--deep:#F7E8C4;--panel:#FFFDF6;--soft:#F3DFA3;--title:#3A2A12;--text:#4A3820;--muted:#7A5E38;--quiet:#9A7A52;--brand:#F4B942;--ripe:#E89B20;--orange:#E07A2F;--cocoa:#3A2A12;--border:rgba(232,155,32,.22);--shadow:0 12px 28px rgba(58,42,18,.10);--glow:0 6px 16px rgba(232,155,32,.22);--r:12px;--w:960px}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.7 system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}body.ui-lock{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}img{max-width:100%;display:block}.shell{width:min(calc(100% - 32px),var(--w));margin:auto}.skip-link{position:fixed;left:12px;top:-60px;z-index:120;background:var(--cocoa);color:var(--deep);padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}
.top-note{position:fixed;z-index:90;top:0;left:0;right:0;height:18px;background:var(--ripe);color:var(--cocoa);font-size:12px;line-height:18px}.note-inner{height:18px;display:flex;justify-content:space-between;align-items:center}.text-button{height:18px;min-width:44px;border:0;background:transparent;padding:0 4px;cursor:pointer;font-size:12px}.site-head{position:fixed;z-index:88;top:18px;left:0;right:0;height:54px;background:var(--panel);border-bottom:1px solid rgba(224,122,47,.28)}.head-inner{height:54px;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand-link{min-width:44px;min-height:44px;display:inline-flex;align-items:center}.brand-logo,.footer-logo,.drawer-logo{height:24px;width:auto;object-fit:contain}.logo-fallback{font-size:16px;font-weight:800;color:var(--cocoa);white-space:nowrap}.head-actions{display:flex;align-items:center;gap:8px}.app-link,.menu-button{min-height:44px;padding:0 13px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--ripe);border-radius:10px;background:var(--panel);font-size:14px;cursor:pointer}.menu-button{border-color:var(--orange)}
.pin-nav{position:fixed;z-index:86;top:72px;left:0;right:0;height:44px;background:var(--soft);border-bottom:1px solid var(--border)}.pin-inner{height:44px;display:flex;align-items:center;gap:10px}.pin-item{min-height:36px;padding:0 12px 0 8px;display:inline-flex;gap:7px;align-items:center;border-radius:10px;font-size:13px}.pin-dot{width:18px;height:18px;border:2px solid var(--orange);border-radius:50%;background:var(--panel)}.pin-item.is-current{background:var(--ripe);box-shadow:var(--glow)}.pin-item.is-current .pin-dot{background:var(--ripe);border-color:var(--cocoa)}
.site-main{min-height:60vh;padding-top:142px}.page{padding-bottom:48px}.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:16px}.breadcrumb a{text-decoration:underline;text-underline-offset:3px}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:1.35;margin-bottom:10px}h3{font-size:16px;line-height:1.45;margin-bottom:8px}p{margin:0 0 12px}.lead{font-size:16px;max-width:780px}.eyebrow{font-size:12px;letter-spacing:.08em;color:var(--muted);font-weight:700;margin-bottom:8px}.page-hero{padding:26px 0 24px;border-bottom:1px solid var(--border)}.content-section{padding:30px 0;border-bottom:1px solid var(--border)}.content-section:last-child{border-bottom:0}
.hero-actions,.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn-primary,.btn-secondary{min-height:42px;padding:0 16px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;white-space:nowrap;transition:filter 180ms,box-shadow 180ms}.btn-primary{background:linear-gradient(135deg,#F4B942 0%,#E89B20 55%,#E07A2F 100%);color:var(--cocoa);box-shadow:var(--glow)}.btn-secondary{background:var(--panel);color:var(--cocoa);border:1px solid var(--ripe)}.btn-primary:hover,.btn-secondary:hover,.pin-item:hover,.mobile-bar a:hover{filter:brightness(1.04);box-shadow:0 0 0 3px rgba(244,185,66,.36),0 10px 24px rgba(224,122,47,.28)}.btn-primary:active,.btn-secondary:active,.pin-item:active,.mobile-bar a:active{filter:brightness(1.06);box-shadow:0 0 0 4px rgba(224,122,47,.36),0 0 22px rgba(244,185,66,.48)}a:focus-visible,button:focus-visible{outline:2px solid var(--ripe);outline-offset:2px}
.media-slot{width:100%;height:164px;background:var(--panel);border:1px solid var(--border);border-radius:var(--r);display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.media-160{height:160px}.media-168{height:168px}.media-176{height:176px}.media-pill{width:240px;max-width:100%;height:176px;border-radius:999px;margin:auto}.media-app{width:240px;max-width:100%;height:320px;margin:16px auto 0}.media-icon{width:48px;height:48px;border-radius:12px;margin:12px auto 0}.media-banner{width:100%;height:200px}.media-brand{height:176px}
.home-index-pins{display:flex;gap:10px;margin-bottom:18px}.home-index-pins a{min-height:44px;padding:0 14px;display:inline-flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--border);border-radius:999px}.mini-pin{width:18px;height:18px;border:2px solid var(--orange);border-radius:50%;background:var(--soft)}.home-hero{padding:28px 0 34px}.hot-cut{display:grid;grid-template-columns:270px 1fr;gap:26px;align-items:center}.dual-fruit{display:grid;grid-template-columns:1.06fr .94fr;gap:18px}.dual-fruit article,.faq-item{background:var(--panel);border:1px solid var(--border);border-radius:var(--r);padding:18px}.nail-pages{display:grid;grid-template-columns:1fr 1fr;gap:18px}.nail-page-card{border-left:4px solid var(--ripe);background:var(--panel);border-radius:0 var(--r) var(--r) 0;padding:18px;box-shadow:var(--shadow)}.story-strip{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:center}.story-strip.reverse{grid-template-columns:.8fr 1.2fr}.story-strip.reverse .story-copy{order:2}.story-strip.reverse .media-slot{order:1}.topic-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.topic-chips span{padding:4px 9px;border-radius:999px;background:var(--deep);font-size:13px}.wrap-pin{background:var(--deep);border-radius:var(--r);padding:24px}.app-media-row{display:flex;justify-content:center;align-items:end;gap:16px;margin-top:14px}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.brand-block{display:grid;grid-template-columns:1fr 300px;gap:22px;align-items:center}
.layout-twin .split-lead{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:22px}.fruit-panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--r);padding:18px}.fruit-panel:nth-child(2){margin-top:28px;background:var(--deep)}.layout-cut .cut-row{display:grid;grid-template-columns:220px 1fr;gap:24px;padding:24px 0;border-bottom:1px dashed rgba(232,155,32,.35)}.cut-label{align-self:start;background:var(--soft);border-radius:var(--r);padding:16px;position:sticky;top:130px}.nail-sheet{display:grid;grid-template-columns:12px 1fr;gap:14px;margin:18px 0}.nail-rail{border-radius:999px;background:linear-gradient(var(--brand),var(--orange))}.sheet-body{background:var(--panel);border:1px solid var(--border);border-radius:var(--r);padding:18px 20px}
.status-list{display:grid;gap:12px;margin-top:20px}.status-row{display:grid;grid-template-columns:120px 1fr;border:1px solid var(--border);border-radius:var(--r);overflow:hidden}.status-row strong{background:var(--soft);padding:14px}.status-row div{background:var(--panel);padding:14px 16px}.step-flow{counter-reset:step;display:grid;gap:18px;margin-top:22px}.step-item{counter-increment:step;background:var(--panel);border:1px solid var(--border);border-radius:var(--r);padding:18px 18px 18px 72px;position:relative}.step-item:before{content:counter(step);position:absolute;left:18px;top:18px;width:36px;height:36px;border-radius:50%;background:var(--brand);display:grid;place-items:center;font-weight:800}.writer-map,.contact-lanes{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}.writer-map article,.contact-lanes article,.term-list section,.faq-long article{background:var(--panel);border:1px solid var(--border);border-radius:var(--r);padding:18px}.longread{max-width:760px;margin:auto}.longread section{padding:20px 0;border-bottom:1px solid var(--border)}.editor-note{background:var(--deep);border-left:4px solid var(--orange);border-radius:0 var(--r) var(--r) 0;padding:16px;margin:18px 0}.term-list,.faq-long{display:grid;gap:16px;margin-top:18px}.about-principles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.about-principles article{background:var(--panel);border-top:4px solid var(--ripe);border-radius:var(--r);padding:18px;box-shadow:var(--shadow)}
.site-footer{background:var(--cocoa);color:var(--deep);border-top:1px solid var(--orange);padding:36px 0 28px;font-size:13px}.footer-brand-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.footer-brand-row strong{font-size:16px}.footer-brand p{max-width:720px}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:26px 0 20px}.footer-links h2{font-size:14px;color:var(--brand);margin-bottom:8px}.footer-links a{display:block;padding:4px 0}.footer-bottom{padding-top:16px;border-top:1px solid rgba(247,232,196,.16)}
.overlay{position:fixed;z-index:98;inset:0;background:rgba(58,42,18,.4);opacity:0;visibility:hidden;pointer-events:none;transition:.18s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.drawer{position:fixed;z-index:102;top:84px;right:16px;width:min(36vw,480px);height:min(70vh,700px);overflow-y:auto;background:var(--panel);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow);transform:translateX(calc(100% + 32px));visibility:hidden;pointer-events:none;transition:.18s}.drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;z-index:2;background:var(--panel);display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px;border-bottom:1px solid var(--border)}.drawer-brand{display:flex;align-items:center;gap:9px}.drawer-brand div{display:grid;line-height:1.25}.drawer-brand span{font-size:11px;color:var(--muted)}.close-button{min-width:44px;min-height:44px;border:1px solid var(--ripe);background:var(--panel);border-radius:10px;cursor:pointer}.drawer-groups{padding:4px 14px 18px}.drawer-groups section{padding:12px 0;border-bottom:1px solid var(--border)}.drawer-groups h2{font-size:14px;color:var(--muted);margin-bottom:6px}.drawer-groups a{display:grid;grid-template-columns:minmax(110px,.8fr) 1.2fr;gap:8px;padding:7px 0;align-items:baseline}.drawer-groups span{color:var(--muted);font-size:12px}.search-panel{position:fixed;z-index:103;top:78px;left:50%;width:min(calc(100% - 32px),720px);transform:translate(-50%,-16px);background:var(--panel);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow);padding:18px;opacity:0;visibility:hidden;pointer-events:none;transition:.18s}.search-panel.is-open{opacity:1;transform:translate(-50%,0);visibility:visible;pointer-events:auto}.search-head{display:flex;justify-content:space-between;align-items:center}.search-links{display:flex;flex-wrap:wrap;gap:9px;margin-top:10px}.search-links a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid var(--ripe);border-radius:999px}.mobile-bar{display:none}
@media(max-width:760px){.pin-nav{display:none}.site-main{padding-top:92px}.hot-cut,.dual-fruit,.nail-pages,.story-strip,.story-strip.reverse,.brand-block,.layout-twin .split-lead,.layout-cut .cut-row,.writer-map,.contact-lanes,.about-principles{grid-template-columns:1fr}.story-strip.reverse .story-copy,.story-strip.reverse .media-slot{order:initial}.fruit-panel:nth-child(2){margin-top:0}.cut-label{position:static}.faq-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.site-footer{padding-bottom:calc(84px + env(safe-area-inset-bottom))}.drawer{top:78px;right:8px;width:86%;height:min(70vh,720px)}.drawer-groups a{grid-template-columns:1fr;gap:1px}.search-panel{inset:18px 0 0 0;width:100%;height:calc(100dvh - 18px);transform:translateY(-12px);background:var(--cocoa);color:var(--deep);border-radius:0;border:0;padding:24px 16px 90px;overflow-y:auto}.search-panel.is-open{transform:translateY(0)}.search-panel .close-button{background:var(--cocoa);color:var(--deep);border-color:var(--brand)}.search-links a{color:var(--deep);border-color:var(--brand)}.mobile-bar{position:fixed;z-index:89;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--panel);border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(4,1fr)}.mobile-bar a{min-height:48px;display:grid;place-items:center;font-size:13px}.mobile-bar a.is-current{background:var(--ripe);box-shadow:var(--glow)}.status-row{grid-template-columns:96px 1fr}.app-media-row{flex-direction:column;align-items:center}}
@media(max-width:420px){.logo-fallback{font-size:14px}.head-actions{gap:5px}.app-link,.menu-button{font-size:13px;padding:0 8px}.footer-links{grid-template-columns:1fr}.home-index-pins{flex-wrap:wrap}}

/* 首页后续内容采用纵向阅读，避免形成左右对栏大图清单。 */
.home-page .story-strip,.home-page .story-strip.reverse{grid-template-columns:1fr}.home-page .story-strip.reverse .story-copy,.home-page .story-strip.reverse .media-slot{order:initial}.home-page .story-strip .media-slot{max-width:640px;margin:8px auto 0}
@media(max-width:760px){.search-panel{inset:0;width:100%;height:100dvh;}}