*{box-sizing:border-box}
html{overflow-x:hidden;scroll-behavior:smooth}
body{margin:0;background:#FBF3E4;color:#2A1E10;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
img{display:block;max-width:100%;object-fit:contain;object-position:center}
.wrap{max-width:960px;margin:0 auto;padding:0 16px}
.site-head{position:fixed;inset:0 0 auto 0;z-index:80}
.burst-edge{height:20px;background:#1A1208;color:#D4A03A;font-size:12px}
.edge-inner{height:20px;display:flex;align-items:center;justify-content:space-between}
.plain-button{border:0;background:transparent;color:#D4A03A;padding:0}
.flame-head{height:54px;background:#FFF8EE;border-bottom:1px solid rgba(196,106,32,.28)}
.flame-inner{height:54px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:8px;min-height:44px}
.brand-logo{height:24px;min-width:28px;display:flex;align-items:center}
.brand-logo img,.footer-logo img,.burst-brand img{height:24px;width:auto}
.brand-logo:empty+strong{display:inline}.brand-logo:not(:empty)+strong{display:none}
.brand strong{font-size:16px;color:#1A1208}
.head-actions{display:flex;align-items:center;gap:8px}
.app-link,.page-button{min-height:44px;padding:0 14px;border-radius:4px;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap}
.app-link{background:#FFF8EE;border:1px solid rgba(196,106,32,.42)}
.page-button{border:0;background:#1A1208;color:#FFF8EE}
.core-nav{height:44px;background:#FFF8EE;border-bottom:1px solid rgba(26,18,8,.10)}
.core-inner{height:44px;display:flex;justify-content:center;align-items:center;gap:34px}
.core-inner a{height:38px;display:flex;align-items:center;gap:8px;padding:0 10px;font-size:13px;color:#6A4A28}
.flame-core{width:14px;height:18px;border:2px solid #D4A03A;border-radius:50% 50% 60% 60%/70% 70% 40% 40%;clip-path:polygon(50% 0,100% 42%,86% 100%,14% 100%,0 42%);display:inline-block}
.core-inner a.is-active .flame-core{background:#C46A20;border-color:#C46A20}
.core-inner a.is-active{color:#1A1208}
.site-main{max-width:960px;margin:0 auto;padding:144px 16px 76px}
h1,h2,h3{margin:0 0 12px;color:#1A1208}
h1{font-size:24px;line-height:1.3}
h2{font-size:20px;line-height:1.4}
h3{font-size:16px;line-height:1.45}
p{margin:0 0 16px}
.eyebrow{font-size:13px;color:#C46A20;font-weight:800;letter-spacing:.08em}
.lead{font-size:16px;color:#6A4A28}
.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.button{height:42px;padding:0 18px;border-radius:4px;display:inline-flex;align-items:center;justify-content:center;font-size:14px}
.button.primary{background:linear-gradient(135deg,#1A1208 0%,#C46A20 100%);color:#FFF8EE}
.button.secondary{background:#FFF8EE;border:1px solid #C46A20}
a:focus-visible,button:focus-visible{outline:3px solid rgba(212,160,58,.55);outline-offset:3px}
.hero{padding:34px 0 28px}
.hero-core-index{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.hero-core-index .hero-core{width:24px;height:30px;background:#C46A20;clip-path:polygon(50% 0,100% 42%,86% 100%,14% 100%,0 42%);display:inline-block}
.hero-core-index nav{display:flex;gap:8px;flex-wrap:wrap}
.hero-core-index a{padding:8px 12px;background:#FFF8EE;border:1px solid rgba(196,106,32,.20);border-radius:4px;font-size:13px}
.hero-copy{max-width:760px}
.section{margin:25px 0;padding:26px;background:#FFF8EE;border:1px solid rgba(26,18,8,.12);border-radius:4px;box-shadow:0 12px 28px rgba(26,18,8,.06)}
.section-flat{margin:28px 0;padding:4px 0}
.image-slot{display:flex;align-items:center;justify-content:center;overflow:hidden;background:#FFF8EE;border:1px solid rgba(26,18,8,.10)}
.image-slot img{width:100%;height:100%;object-fit:contain}
.flame-cut{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:28px;align-items:center}
.flame-cut .image-slot{height:176px;clip-path:polygon(50% 0,100% 28%,92% 100%,8% 100%,0 28%);background:#FFF8EE}
.wide-story{padding:24px;background:#FFF8EE;border:1px solid rgba(26,18,8,.12);border-radius:4px}
.wide-story .image-slot{height:170px;margin-bottom:16px;border-radius:4px}
.flame-pages{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.flame-page{position:relative;padding:22px 22px 22px 26px;background:#F3E6D2;border:1px solid rgba(196,106,32,.18);border-radius:4px}
.flame-page:before{content:"";position:absolute;left:10px;top:20px;width:9px;height:12px;background:#C46A20;clip-path:polygon(50% 0,100% 42%,86% 100%,14% 100%,0 42%)}
.flame-page .image-slot{height:140px;margin:0 0 14px 8px;border-radius:4px}
.archive-head{height:170px;margin-bottom:18px;border-radius:4px}
.archive-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.archive-card{padding:20px;border:1px solid rgba(26,18,8,.12);border-radius:4px;background:#FFF8EE}
.phase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.phase{padding:18px;border-radius:4px;background:#FFF8EE;border-top:4px solid #C46A20}
.phase:nth-child(2){border-top-color:#D4A03A}.phase:nth-child(3){border-top-color:#F3D8A8}
.status-list{display:grid;gap:12px}
.status-row{display:grid;grid-template-columns:120px 1fr auto;gap:14px;align-items:center;padding:16px 18px;background:#FFF8EE;border:1px solid rgba(26,18,8,.12);border-radius:4px}
.status-pill{font-size:13px;padding:5px 9px;border-radius:999px;background:#E8D8C0;white-space:nowrap}
.app-wrap{overflow:hidden}
.app-float{float:right;width:240px;margin:0 0 18px 28px}
.app-float .portrait{height:300px;border-radius:4px}
.app-float .icon{width:58px;height:58px;margin:12px auto 0;border-radius:4px}
.clearfix:after{content:"";display:block;clear:both}
.guide-list{display:grid;gap:12px}
.guide-item{padding:18px 20px;background:#FFF8EE;border-left:4px solid #C46A20;border-radius:0 4px 4px 0}
.faq-mini,.faq-list{display:grid;gap:12px}
.faq-mini details,.faq-list details{padding:15px 17px;background:#FFF8EE;border:1px solid rgba(26,18,8,.12);border-radius:4px}
summary{cursor:pointer;font-weight:700}
.article-head{margin:12px 0 26px}.article-head p{max-width:780px}
.single-wide{display:grid;gap:16px}.single-wide article{padding:22px;background:#FFF8EE;border:1px solid rgba(26,18,8,.12);border-radius:4px}
.single-wide .image-slot{height:170px;margin-bottom:14px;border-radius:4px}
.flame-slice-page{display:grid;grid-template-columns:240px 1fr;gap:26px;align-items:start}
.flame-slice-page .slice-image{height:176px;clip-path:polygon(50% 0,100% 28%,92% 100%,8% 100%,0 28%);position:sticky;top:146px}
.stack{display:grid;gap:16px}.stack article{padding:22px;background:#FFF8EE;border:1px solid rgba(26,18,8,.12);border-radius:4px}
.flame-page-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.flame-page-grid article{position:relative;padding:22px 22px 22px 26px;background:#FFF8EE;border:1px solid rgba(26,18,8,.12);border-radius:4px}
.flame-page-grid article:before{content:"";position:absolute;left:10px;top:18px;width:9px;height:12px;background:#C46A20;clip-path:polygon(50% 0,100% 42%,86% 100%,14% 100%,0 42%)}
.flame-page-grid .image-slot{height:145px;margin:0 0 14px 8px;border-radius:4px}
.single-flow{display:grid;gap:16px}.single-flow article{padding:22px;background:#FFF8EE;border:1px solid rgba(26,18,8,.12);border-radius:4px}
.memo-list{display:grid;gap:14px}.memo-list article{padding:20px;background:#FFF8EE;border:1px dashed rgba(196,106,32,.42);border-radius:4px}
.method-list{counter-reset:method;display:grid;gap:14px}.method-list article{counter-increment:method;position:relative;padding:20px 20px 20px 64px;background:#FFF8EE;border:1px solid rgba(26,18,8,.12);border-radius:4px}.method-list article:before{content:counter(method);position:absolute;left:18px;top:18px;width:30px;height:30px;border-radius:4px;background:#C46A20;color:#FFF8EE;display:flex;align-items:center;justify-content:center;font-weight:800}
.topic-list{display:grid;gap:14px}.topic-list article{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:20px;background:#FFF8EE;border:1px solid rgba(26,18,8,.12);border-radius:4px}.topic-list strong{color:#C46A20}
.center-cards{max-width:760px;margin:0 auto;display:grid;gap:16px}.center-cards article{text-align:center;padding:24px;background:#FFF8EE;border:1px solid rgba(26,18,8,.12);border-radius:4px}
.terms{display:grid;gap:16px}.terms section{padding:22px;background:#FFF8EE;border:1px solid rgba(26,18,8,.12);border-radius:4px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.contact-grid article{padding:22px;background:#FFF8EE;border:1px solid rgba(26,18,8,.12);border-radius:4px}
.banner-slot{height:200px;margin-bottom:22px;border-radius:4px}
.site-footer{background:#1A1208;color:#FBF3E4;border-top:1px solid #D4A03A}
.footer-wrap{padding-top:28px;padding-bottom:82px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:22px}.footer-brand div{display:flex;flex-direction:column}.footer-brand small{color:#D4A03A}
.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-groups section{display:flex;flex-direction:column;gap:7px}.footer-groups h2{font-size:13px;color:#D4A03A;margin:0 0 4px}.footer-groups a{font-size:13px}
.footer-note,.copyright{font-size:13px;color:#D8C4A4;margin-top:20px}
.overlay{position:fixed;inset:0;background:rgba(26,18,8,.46);z-index:90;visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.overlay.open{visibility:visible;opacity:1;pointer-events:auto}
.burst-page{position:fixed;left:0;right:0;bottom:0;z-index:100;width:100%;max-height:300px;background:#FFF8EE;border-top:1px solid rgba(196,106,32,.30);box-shadow:0 -18px 50px rgba(26,18,8,.18);transform:translateY(100%);visibility:hidden;pointer-events:none;transition:.22s}.burst-page.open{transform:translateY(0);visibility:visible;pointer-events:auto}
.burst-page-head{height:58px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(26,18,8,.10)}.burst-brand{display:flex;align-items:center;gap:8px}
.close-button{min-height:44px;padding:0 13px;border:1px solid rgba(196,106,32,.35);background:#FFF8EE;border-radius:4px}
.burst-page-body{max-width:960px;margin:0 auto;max-height:242px;overflow:auto;padding:12px 16px 18px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.burst-page-body h2{font-size:13px;color:#8A6A40;margin-bottom:5px}.burst-page-body a{display:flex;justify-content:space-between;gap:10px;padding:7px 0;border-bottom:1px solid rgba(26,18,8,.08)}.burst-page-body a strong{font-size:14px;min-width:72px}.burst-page-body a span{font-size:12px;color:#8A6A40;text-align:right}
.search-layer{position:fixed;left:0;right:0;top:74px;z-index:105;visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.search-layer.open{visibility:visible;opacity:1;pointer-events:auto}.search-card{max-width:760px;margin:0 auto;padding:20px;background:#FFF8EE;border:1px solid rgba(196,106,32,.25);border-radius:0 0 4px 4px;box-shadow:0 18px 50px rgba(26,18,8,.16)}.search-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.search-links{display:flex;flex-wrap:wrap;gap:10px}.search-links a{min-height:44px;padding:0 15px;border:1px solid rgba(196,106,32,.45);border-radius:4px;display:inline-flex;align-items:center}
.mobile-nav{display:none}.locked{overflow:hidden}
@media(max-width:700px){
  .core-nav{display:none}
  .site-main{padding-top:96px;padding-bottom:92px}
  .app-link,.page-button{padding:0 10px}
  .flame-cut,.flame-slice-page{grid-template-columns:1fr}
  .flame-pages,.archive-grid,.flame-page-grid,.contact-grid{grid-template-columns:1fr}
  .phase-grid{grid-template-columns:1fr}
  .status-row{grid-template-columns:1fr;gap:6px}
  .flame-slice-page .slice-image{position:static;justify-self:center;width:220px}
  .app-float{float:none;width:100%;margin:0 0 20px}.app-float .portrait{height:280px}
  .topic-list article{grid-template-columns:1fr}
  .footer-groups{grid-template-columns:1fr 1fr}
  .burst-page{max-height:70vh}.burst-page-body{grid-template-columns:1fr 1fr;max-height:calc(70vh - 58px)}
  .search-layer{top:0;bottom:0;background:#1A1208}.search-card{height:100%;max-width:none;border-radius:0;background:#1A1208;color:#D4A03A;padding:28px 18px}.search-card strong,.search-card p{color:#D4A03A}.search-card .close-button{background:#1A1208;color:#FFF8EE;border-color:#D4A03A}.search-links a{color:#FFF8EE;border-color:#D4A03A}
  .mobile-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:85;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#1A1208;border-top:1px solid rgba(212,160,58,.45)}.mobile-nav a{display:flex;align-items:center;justify-content:center;color:#FBF3E4;font-size:13px}.mobile-nav a.is-active{background:#C46A20;color:#FFF8EE}
}