:root{--bg:#FFF6F4;--deep:#F6E4E2;--card:#FFFFFF;--soft:#FBECEA;--title:#1C1212;--text:#3E2424;--muted:#6E4848;--aux:#9A7070;--red:#B4232C;--bright:#E23B44;--dark:#7A1520;--gold:#C4A06A;--line:rgba(180,35,44,.16);--shadow:0 12px 28px rgba(28,18,18,.08);--glow:0 6px 16px rgba(180,35,44,.18);--radius:12px}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.no-scroll{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.skip-link{position:fixed;left:12px;top:-60px;z-index:2000;background:#fff;color:var(--dark);padding:9px 12px;border-radius:8px;border:1px solid var(--line)}.skip-link:focus{top:12px}.shell,.page-shell{width:min(960px,calc(100% - 32px));margin:0 auto}.site-head{position:fixed;top:0;left:0;right:0;z-index:900}.headline-strip{height:18px;background:var(--dark);color:#fff;font-size:12px}.headline-inner{height:18px;display:flex;align-items:center;justify-content:space-between}.plain-button{border:0;background:transparent;color:#fff;padding:0 4px;cursor:pointer}.identity-bar{height:54px;background:rgba(255,246,244,.98);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.identity-inner{height:54px;display:flex;align-items:center;gap:14px}.brand-link{display:inline-flex;align-items:center;min-width:120px}.brand-logo{height:24px;max-width:130px;object-fit:contain}.brand-text{font-size:16px;font-weight:800;color:var(--title)}.identity-copy{display:flex;flex-direction:column;line-height:1.3}.identity-copy strong{font-size:13px;color:var(--title)}.identity-copy span{font-size:11px;color:var(--aux)}.head-actions{margin-left:auto;display:flex;gap:8px}.app-link,.fold-button{min-height:44px;padding:0 13px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:6px}.app-link{background:#fff;color:var(--dark);border:1px solid var(--line)}.fold-button{border:1px solid var(--line);background:var(--soft);color:var(--title);cursor:pointer}.focus-nav{height:44px;background:var(--soft);border-bottom:1px solid var(--line)}.focus-nav-inner{height:44px;display:flex;align-items:center;gap:18px}.focus-link{display:inline-flex;align-items:center;gap:8px;min-height:34px;color:var(--muted);font-size:13px}.focus-stamp{width:22px;height:22px;border-radius:6px;border:1px solid var(--red);display:inline-flex;align-items:center;justify-content:center;font-size:11px;color:var(--dark);background:#fff}.focus-link.is-current .focus-stamp{background:var(--dark);color:#fff;border-color:var(--gold);box-shadow:var(--glow)}.focus-link.is-current{color:var(--dark);font-weight:700}.site-main{padding-top:116px;min-height:65vh}.breadcrumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--aux);margin:0 0 12px}.breadcrumbs a{color:var(--dark)}.page-hero,.section{width:min(960px,calc(100% - 32px));margin:0 auto}.page-hero{padding:34px 0 24px}.section{padding:20px 0 28px}h1,h2,h3{margin-top:0;color:var(--title)}h1{font-size:24px;line-height:1.3;margin-bottom:12px}h2{font-size:20px;line-height:1.42;margin-bottom:12px}h3{font-size:16px;line-height:1.45;margin-bottom:8px}p{margin:0 0 14px}.lead{font-size:16px;color:var(--muted);line-height:1.82;max-width:820px}.kicker{display:inline-flex;align-items:center;gap:6px;min-height:28px;padding:3px 10px;border-radius:999px;background:var(--soft);border:1px solid var(--line);color:var(--dark);font-size:13px;margin-bottom:12px}.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn-main,.btn-light{min-height:42px;padding:0 16px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;transition:180ms}.btn-main{background:linear-gradient(135deg,#E23B44 0%,#B4232C 55%,#7A1520 100%);color:#fff;box-shadow:var(--glow)}.btn-light{background:#fff;color:var(--dark);border:1px solid var(--line)}.btn-main:hover,.focus-link.is-current:hover,.mobile-dock .is-current:hover{filter:brightness(1.05);box-shadow:0 0 0 3px rgba(226,59,68,.28),0 10px 24px rgba(122,21,32,.28)}.btn-main:active,.focus-link.is-current:active,.mobile-dock .is-current:active{filter:brightness(1.08);box-shadow:0 0 0 4px rgba(196,160,106,.42),0 0 22px rgba(226,59,68,.50)}a:focus-visible,button:focus-visible{outline:2px solid var(--bright);outline-offset:2px}.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}.panel.soft{background:var(--soft)}.panel.deep{background:var(--deep)}.visual-slot{display:flex;align-items:center;justify-content:center;background:var(--bg);border:1px solid var(--line);border-radius:12px;overflow:hidden}.visual-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.visual-empty{width:100%;height:100%;display:block;background:linear-gradient(135deg,#FFF6F4,#FBECEA)}.visual-wide{width:100%;height:168px}.visual-small{width:100%;height:160px}.visual-square{width:min(240px,100%);height:176px}.visual-app{width:min(240px,100%);height:320px}.visual-banner{width:100%;height:200px}.visual-icon{width:48px;height:48px;border-radius:12px}.hero-mark{display:inline-flex;align-items:center;gap:8px;margin-bottom:10px}.hero-mark b{width:26px;height:26px;border-radius:7px;background:var(--dark);color:#fff;display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--glow);font-size:12px}.hero-mark span{font-size:13px;color:var(--aux)}.feature-cut{display:grid;grid-template-columns:minmax(220px,240px) 1fr;gap:24px;align-items:center}.focus-pair{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.focus-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;overflow:hidden}.focus-card:after{content:"";position:absolute;right:0;top:0;width:46px;height:4px;background:linear-gradient(90deg,var(--bright),var(--dark))}.route-stack{display:grid;gap:14px}.route-row{display:grid;grid-template-columns:180px 1fr;gap:18px;align-items:start;padding:18px;border-radius:12px;border:1px solid var(--line);background:#fff}.route-row .number{font-size:13px;color:var(--aux);font-weight:700}.progress-list{display:grid;gap:10px}.progress-item{display:grid;grid-template-columns:120px 1fr;gap:14px;padding:16px 18px;background:#fff;border-radius:12px;border:1px solid var(--line)}.progress-tag{display:inline-flex;justify-content:center;align-items:center;min-height:32px;border-radius:999px;background:var(--deep);color:var(--dark);font-size:13px;font-weight:700;padding:0 10px}.note-prose{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px}.note-prose h2{margin-top:26px}.note-prose h2:first-child{margin-top:0}.note-prose ul{padding-left:22px;margin:0 0 16px}.note-prose li{margin-bottom:7px}.topic-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}.topic-card{padding:18px;background:#fff;border:1px solid var(--line);border-radius:12px}.topic-card:nth-child(3){grid-column:1/-1}.scene-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}.scene-grid article{padding:16px;border-radius:12px;background:var(--soft);border:1px solid var(--line)}.app-layout{display:grid;grid-template-columns:260px 1fr;gap:26px;align-items:start}.app-visual{display:flex;flex-direction:column;align-items:center;gap:12px}.icon-line{width:min(240px,100%);display:flex;align-items:center;gap:10px}.mini-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.mini-links a{min-height:40px;padding:8px 12px;border-radius:9px;background:var(--soft);border:1px solid var(--line);color:var(--dark)}.faq-list{display:grid;gap:12px}.faq-item{padding:18px;border:1px solid var(--line);background:#fff;border-radius:12px}.rule-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.rule-grid article{padding:18px;border:1px solid var(--line);background:#fff;border-radius:12px}.cta-band{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;padding:22px;border-radius:12px;background:var(--deep);border:1px solid var(--line)}.search-layer{position:fixed;top:72px;left:0;right:0;z-index:980;visibility:hidden;pointer-events:none}.search-layer.is-open{visibility:visible;pointer-events:auto}.search-box{width:min(640px,calc(100% - 32px));margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:var(--shadow);padding:18px}.search-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.search-links{display:flex;flex-wrap:wrap;gap:8px}.search-links a{padding:9px 12px;border-radius:9px;background:var(--soft);border:1px solid var(--line);color:var(--dark)}.site-overlay{position:fixed;inset:0;background:rgba(28,18,18,.46);z-index:950;opacity:0;visibility:hidden;pointer-events:none;transition:180ms}.site-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.site-fold{position:fixed;top:18px;right:16px;width:min(420px,90vw);max-height:68vh;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 60px rgba(28,18,18,.22);z-index:1000;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-12px) scale(.98);transition:180ms;overflow:hidden}.site-fold.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:none}.fold-head{height:64px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;background:var(--bg);border-bottom:1px solid var(--line)}.fold-brand{display:flex;align-items:center;gap:10px}.fold-brand div{display:flex;flex-direction:column}.fold-brand span{font-size:11px;color:var(--aux);letter-spacing:.12em}.fold-logo,.footer-logo{height:24px;max-width:120px;object-fit:contain}.close-button{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--dark);font-size:24px;cursor:pointer}.fold-scroll{overflow:auto;max-height:calc(68vh - 64px);padding:14px}.fold-scroll section{margin-bottom:16px}.fold-scroll h2{font-size:13px;color:var(--aux);margin-bottom:8px}.fold-scroll a{display:block;padding:10px 12px;border-radius:10px}.fold-scroll a:hover{background:var(--soft)}.fold-scroll a span{display:block;font-weight:700;color:var(--title)}.fold-scroll a small{display:block;font-size:12px;color:var(--muted);line-height:1.55;margin-top:2px}.site-footer{margin-top:44px;background:var(--title);color:var(--soft);border-top:1px solid var(--red);font-size:13px}.footer-main{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:24px;padding:34px 0 24px}.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:6px}.footer-brand strong{font-size:16px;color:#fff}.footer-brand span{font-size:11px;color:var(--gold);letter-spacing:.12em}.footer-brand p{color:#e6d8d7;margin-top:8px}.footer-main h2{font-size:13px;color:#fff;margin-bottom:8px}.footer-main a{display:block;color:#eadede;padding:3px 0}.footer-base{border-top:1px solid rgba(255,255,255,.12);padding:14px 0 66px;color:#d8c9c8}.mobile-dock{display:none}
@media(max-width:760px){.focus-nav{display:none}.site-main{padding-top:72px;padding-bottom:64px}.shell,.page-shell,.page-hero,.section{width:calc(100% - 32px)}.identity-copy{display:none}.brand-link{min-width:auto}.head-actions{gap:6px}.app-link,.fold-button{padding:0 10px}.feature-cut,.focus-pair,.route-row,.topic-cards,.app-layout,.rule-grid,.cta-band{grid-template-columns:1fr}.topic-card:nth-child(3){grid-column:auto}.scene-grid{grid-template-columns:1fr}.progress-item{grid-template-columns:1fr;gap:8px}.search-layer{top:0;bottom:0;background:var(--dark);display:flex;align-items:flex-start}.search-box{width:100%;height:100%;margin:0;border:0;border-radius:0;background:var(--dark);color:#fff;padding:24px 16px}.search-box strong,.search-box p{color:#fff}.search-box .close-button{background:#fff}.search-links a{background:#fff;color:var(--dark)}.site-fold{top:14px;right:5vw;width:90vw}.mobile-dock{position:fixed;left:0;right:0;bottom:0;z-index:880;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(28,18,18,.06)}.mobile-dock a{height:48px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted)}.mobile-dock .is-current{background:var(--dark);color:#fff;box-shadow:var(--glow)}.footer-main{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-base{padding-bottom:76px}.visual-square,.visual-app{margin:0 auto}.icon-line{justify-content:center}.note-prose{padding:20px}.page-hero{padding-top:28px}}
@media(max-width:430px){.footer-main{grid-template-columns:1fr}.footer-brand{grid-column:auto}.fold-button span:last-child{display:none}.app-link{font-size:13px}}

.space-top{margin-top:18px}