*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:#FFFCF6;color:#393124;font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button,input{font:inherit}.shell{width:min(1320px,calc(100% - 40px));margin-inline:auto}.age-line{height:26px;background:#211B10;color:#FBF0CE;font-size:12px}.age-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;white-space:nowrap}.site-header{position:sticky;top:0;z-index:40;background:rgba(255,252,246,.96);border-bottom:1px solid rgba(201,154,39,.3);box-shadow:0 6px 20px rgba(61,45,15,.06);backdrop-filter:blur(12px)}.header-row{height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.header-left,.header-right{display:flex;align-items:center;gap:10px}.header-right{justify-content:flex-end}.brand-link{justify-self:center;display:flex;align-items:center;min-height:44px}.brand-logo,.panel-logo,.footer-logo{height:34px;width:auto;object-fit:contain}.brand-text{font-size:26px;font-weight:800;letter-spacing:.1em}.icon-button,.close-button{min-width:44px;min-height:44px;border:1px solid rgba(154,110,18,.24);background:#FFFCF6;color:#6E4F12;border-radius:9px;cursor:pointer}.icon-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 12px}.menu-lines,.menu-lines:before,.menu-lines:after{display:block;width:16px;height:1px;background:currentColor;content:""}.menu-lines{position:relative}.menu-lines:before{position:absolute;top:-5px}.menu-lines:after{position:absolute;top:5px}.header-link{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border-radius:8px}.header-link.accent{background:#C99A27;color:#1C170D;font-weight:700}.stage-index{display:grid;grid-template-columns:repeat(12,1fr);gap:1px;margin-top:26px;border-top:1px solid rgba(154,110,18,.18);border-bottom:1px solid rgba(154,110,18,.18)}.stage-index-item{grid-column:span 2;padding:16px 14px;min-height:104px;display:grid;align-content:center;border-left:1px solid rgba(154,110,18,.14);position:relative}.stage-index-item:nth-child(2n){padding-top:24px}.stage-index-item.is-current:after{content:"";position:absolute;left:14px;bottom:9px;width:36px;height:2px;background:#9A6E12}.issue-no{color:#9A6E12;font-weight:800;font-size:12px;letter-spacing:.18em}.stage-index-item strong{color:#211B10;font-size:17px}.stage-index-item small{color:#8A7C61;line-height:1.45}.page-hero{padding:58px 0 30px}.breadcrumbs{font-size:13px;color:#8A7C61;margin-bottom:14px}.eyebrow{color:#9A6E12;font-weight:800;letter-spacing:.14em;font-size:13px}.page-hero h1,.cover-copy h1{font-family:Georgia,"Times New Roman","Microsoft YaHei",serif;color:#1C170D;font-size:clamp(30px,4vw,40px);line-height:1.28;margin:10px 0 18px}.lede{font-size:18px;max-width:860px;color:#6B604C}.section{padding:42px 0}.section.alt{background:#F8F3E8}.section.dark{background:#211B10;color:#FFFCF6}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:24px;border-bottom:1px solid rgba(154,110,18,.24);padding-bottom:14px}.section-head h2{margin:0;color:#1C170D;font-size:clamp(22px,3vw,30px);line-height:1.35}.dark .section-head h2{color:#FBF0CE}.section-kicker{color:#9A6E12;font-size:12px;font-weight:800;letter-spacing:.18em}.prose{max-width:960px}.prose p{margin:0 0 18px}.media-frame{margin:0;background:#FBF0CE;border:1px solid rgba(201,154,39,.34);border-radius:12px;overflow:hidden;min-height:180px;display:flex;align-items:center;justify-content:center}.media-frame img{width:100%;height:100%;object-fit:contain;object-position:center;background:#FFFCF6}.media-frame.hero-media{max-height:460px;min-height:250px}.hero-media img{max-height:460px}.media-frame.landscape{min-height:240px;max-height:360px}.media-frame.portrait{max-height:480px;aspect-ratio:4/5}.media-placeholder{background:linear-gradient(135deg,#FBF0CE,#F3F1EC)}.media-placeholder span{width:42%;height:1px;background:rgba(154,110,18,.35);box-shadow:0 -14px 0 rgba(154,110,18,.16),0 14px 0 rgba(154,110,18,.16)}.cover{padding:30px 0 50px}.cover-copy{max-width:900px;margin:26px auto 0;text-align:center}.cover-copy p{max-width:760px;margin:0 auto 20px}.buttons{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:22px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border-radius:9px;background:#C99A27;color:#1C170D;font-weight:800;border:1px solid transparent}.button.secondary{background:#FFFCF6;color:#6E4F12;border-color:rgba(154,110,18,.32)}.tag-row{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:22px;color:#6B604C}.tag-row span{border-top:1px solid rgba(154,110,18,.32);padding-top:6px}.split{display:grid;grid-template-columns:2fr 1fr;gap:32px;align-items:start}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.brief-list,.rule-list,.steps,.feature-list{display:grid;gap:12px}.brief-item,.rule-item,.step,.feature{border-top:1px solid rgba(154,110,18,.2);padding:14px 0}.brief-item strong,.rule-item strong,.step strong,.feature strong{color:#1C170D}.track-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:18px}.track-card{padding:24px;border:1px solid rgba(154,110,18,.2);background:#FFFCF6;border-radius:10px;box-shadow:0 14px 36px rgba(61,45,15,.06)}.track-card.wide{grid-row:span 2}.track-card.full{grid-column:1/-1}.track-card h3{margin-top:0;color:#1C170D}.status-ledger{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(154,110,18,.18);border:1px solid rgba(154,110,18,.18)}.status-ledger article{background:#FFFCF6;padding:18px;min-height:150px}.status-ledger strong{display:block;color:#9A6E12;margin-bottom:8px}.task-list{counter-reset:task}.task{display:grid;grid-template-columns:72px 1fr;gap:22px;padding:22px 0;border-top:1px solid rgba(154,110,18,.22)}.task:before{counter-increment:task;content:counter(task,decimal-leading-zero);font-family:Georgia,serif;font-size:42px;color:#C99A27;line-height:1}.route{display:grid;grid-template-columns:repeat(7,1fr);gap:12px}.route .step{position:relative;padding:18px 12px;background:#FFFCF6;border:1px solid rgba(154,110,18,.2);border-radius:8px}.route .step:nth-child(even){margin-top:28px}.number{font-family:Georgia,serif;color:#C99A27;font-size:32px}.article-grid{columns:2;column-gap:40px}.article-grid p{break-inside:avoid}.related{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}.related a{border-bottom:1px solid #C99A27;color:#6E4F12}.cta{margin-top:34px;padding:24px;border:1px solid rgba(201,154,39,.35);background:#FBF0CE;border-radius:12px}.faq-list details{border-top:1px solid rgba(154,110,18,.22);padding:16px 0}.faq-list summary{cursor:pointer;font-weight:800;color:#1C170D}.faq-list p{margin:10px 0 0}.site-footer{background:#211B10;color:#FFFCF6;margin-top:54px;padding:44px 0 78px;border-top:1px solid #C99A27}.footer-brand{display:flex;justify-content:space-between;gap:36px;align-items:flex-start;border-bottom:1px solid rgba(251,240,206,.18);padding-bottom:28px}.footer-brand-mark{display:flex;align-items:center;gap:12px;color:#FBF0CE;font-weight:800}.footer-brand p{max-width:760px;color:#d9d1c3;margin:0}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:30px 0}.footer-grid h2{font-size:16px;color:#E1BE5B}.footer-grid a{display:block;color:#e8e0d3;padding:4px 0}.copyright{border-top:1px solid rgba(251,240,206,.14);padding-top:18px;color:#bcb3a3;font-size:14px}.overlay,.channel-panel,.search-dialog{position:fixed;visibility:hidden;opacity:0;pointer-events:none;transition:opacity .18s ease,visibility .18s ease}.overlay.is-open,.channel-panel.is-open,.search-dialog.is-open{visibility:visible;opacity:1;pointer-events:auto}.overlay{inset:0;z-index:70;background:rgba(33,27,16,.52)}.channel-panel{left:0;right:0;top:104px;z-index:80;max-height:70vh;overflow:auto;background:#FFFCF6;border-bottom:1px solid rgba(201,154,39,.35);box-shadow:0 20px 50px rgba(33,27,16,.18)}.panel-shell{width:min(1320px,calc(100% - 40px));margin:auto;padding:22px 0 30px}.panel-head,.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.panel-brand{display:flex;align-items:center;gap:14px;color:#1C170D}.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:20px}.channel-grid h2{font-size:15px;color:#9A6E12}.channel-link{display:block;padding:12px 0;border-top:1px solid rgba(154,110,18,.16)}.channel-link strong{display:block;color:#1C170D}.channel-link span{display:block;color:#8A7C61;font-size:13px;line-height:1.55}.search-dialog{inset:0;z-index:90;display:grid;place-items:center}.search-card{width:min(660px,calc(100% - 32px));background:#FFFCF6;border:1px solid rgba(201,154,39,.45);box-shadow:0 24px 70px rgba(33,27,16,.24);border-radius:14px;padding:24px}.search-card h2{margin:0;color:#1C170D}.search-card label{display:block;margin:20px 0 8px;color:#6B604C}.search-card input{width:100%;min-height:48px;border:1px solid rgba(154,110,18,.32);border-radius:9px;padding:10px 12px;background:#fff}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.search-presets a{padding:8px 11px;border:1px solid rgba(154,110,18,.2);border-radius:7px;background:#F8F3E8}.search-empty{color:#8A7C61}.overlay-open{overflow:hidden}.mobile-nav{display:none}a:hover{color:#9A6E12}.button:hover{filter:brightness(.97)}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #E1BE5B;outline-offset:3px}.icon-button,.button,.header-link,.mobile-nav a{touch-action:manipulation}.section:before,.section:after{pointer-events:none}
@media(max-width:980px){.stage-index{grid-template-columns:repeat(2,1fr)}.stage-index-item{grid-column:auto}.split,.grid-3,.grid-4{grid-template-columns:1fr 1fr}.track-grid{grid-template-columns:1fr 1fr}.track-card.wide{grid-row:auto}.track-card.full{grid-column:1/-1}.route{grid-template-columns:repeat(2,1fr)}.route .step:nth-child(even){margin-top:0}.channel-grid{grid-template-columns:repeat(2,1fr)}.status-ledger{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){body{padding-bottom:64px}.shell{width:min(100% - 32px,1320px)}.age-line{height:auto;min-height:26px}.age-inner{font-size:11px;gap:8px}.header-row{height:68px}.desktop-label,.desktop-rules{display:none}.header-left{gap:4px}.header-link.accent{padding:0 10px}.brand-logo{height:30px;max-width:150px}.brand-text{font-size:21px}.stage-index{grid-template-columns:1fr 1fr;margin-top:16px}.stage-index-item{min-height:96px;padding:13px 10px}.page-hero{padding:38px 0 22px}.cover{padding-top:20px}.split,.grid-2,.grid-3,.grid-4,.track-grid,.status-ledger{grid-template-columns:1fr}.article-grid{columns:1}.task{grid-template-columns:54px 1fr;gap:12px}.task:before{font-size:34px}.route{grid-template-columns:1fr}.section{padding:34px 0}.section-head{align-items:flex-start;flex-direction:column;gap:6px}.footer-brand{display:block}.footer-brand p{margin-top:18px}.footer-grid{grid-template-columns:repeat(2,1fr)}.mobile-nav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:45;min-height:58px;padding-bottom:env(safe-area-inset-bottom);background:#FFFCF6;border-top:1px solid rgba(154,110,18,.24);box-shadow:0 -10px 24px rgba(61,45,15,.08)}.mobile-nav a{min-height:58px;display:flex;align-items:center;justify-content:center;position:relative;font-size:13px}.mobile-nav a.is-current{background:#FBF0CE;color:#211B10;font-weight:800}.mobile-nav a.is-current:before{content:"";position:absolute;top:0;width:30px;height:2px;background:#C99A27}.channel-panel{top:auto;bottom:0;max-height:82vh;border-radius:18px 18px 0 0}.panel-shell{width:calc(100% - 32px)}.channel-grid{grid-template-columns:1fr 1fr;gap:18px}.channel-link span{display:none}.search-dialog{align-items:end;padding-bottom:72px}.search-card{max-height:calc(100vh - 110px);overflow:auto}.media-frame.landscape{min-height:180px}.media-frame.portrait{max-height:none}.buttons{justify-content:flex-start}.cover-copy{text-align:left}.tag-row{justify-content:flex-start}}
@media(max-width:390px){.age-inner span:first-child{display:none}.age-inner{justify-content:flex-end}.channel-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:18px}.header-right .accent{font-size:13px}.stage-index-item small{font-size:11px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}