.theory-ov{--ov-gap: 24px}.theory-ov .ov-tags{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;padding-top:34px}.theory-ov .ov-tag{display:inline-block;font-size:12px;letter-spacing:2px;color:var(--yk-amber-dark);border:1px solid var(--line);border-radius:999px;padding:5px 16px;background:var(--paper)}.theory-ov .ov-num{font-family:var(--yk-font-serif);font-size:22px;font-weight:700;color:var(--yk-red);letter-spacing:1px;margin-bottom:10px}.theory-ov .ov-go{display:inline-block;margin-top:14px;font-size:13px;letter-spacing:1px;color:var(--yk-red)}.theory-ov .ov-go:hover{text-decoration:underline}.theory-ov .dim-card.ov-yongti{background:var(--yk-cream-soft);text-align:left;display:flex;flex-direction:column;justify-content:center}.theory-ov .dim-card.ov-yongti h3{text-align:left;margin-bottom:6px}.theory-ov .dim-card.ov-yongti p{line-height:2.1}.theory-ov .ov-sub-h{font-family:var(--yk-font-serif);font-size:19px;letter-spacing:1px;color:var(--ink);font-weight:700;margin:44px 0 16px;padding-left:14px;border-left:3px solid var(--yk-red)}.theory-ov .ov-p{color:var(--ink-soft);font-size:15.5px;margin-bottom:18px}.theory-ov .ov-cells{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}.theory-ov .ov-cell{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:20px 18px;text-align:center}.theory-ov .ov-cell .t{font-family:var(--yk-font-serif);font-size:16px;font-weight:700;color:var(--ink)}.theory-ov .ov-cell .d{font-size:13.5px;color:var(--ink-soft);margin-top:8px}.theory-ov .ov-table-wrap{margin-top:18px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper)}.theory-ov .ov-table{width:100%;border-collapse:collapse;font-size:14.5px}.theory-ov .ov-table th{background:var(--yk-cream-soft);color:var(--ink);font-weight:700;letter-spacing:1px;text-align:left;padding:13px 16px;border-bottom:1px solid var(--line)}.theory-ov .ov-table td{padding:12px 16px;border-bottom:1px solid var(--yk-cream-soft);color:var(--ink-soft)}.theory-ov .ov-table tr:last-child td{border-bottom:none}.theory-ov .ov-table td.n{color:var(--yk-red);font-weight:700}.theory-ov .ov-small-note{text-align:center;font-size:13px;color:var(--ink-soft);letter-spacing:1px;margin-top:16px}.theory-ov .ov-small-note a{color:var(--yk-red)}.theory-ov .ov-small-note a:hover{text-decoration:underline}.theory-ov .ov-stage{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}.theory-ov .ov-stage .s{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px}.theory-ov .ov-stage .s .k{font-size:12.5px;letter-spacing:2px;color:var(--yk-red);margin-bottom:8px}.theory-ov .ov-stage .s h4{font-size:18px;color:var(--ink);margin-bottom:8px}.theory-ov .ov-stage .s p{font-size:14px;color:var(--ink-soft)}.theory-ov .ov-nodes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}.theory-ov .ov-nodes .n{background:var(--paper);border:1px solid var(--line);border-left:3px solid var(--yk-red);border-radius:var(--radius);padding:20px}.theory-ov .ov-nodes .n .idx{font-size:13px;letter-spacing:2px;color:var(--yk-red);margin-bottom:6px}.theory-ov .ov-nodes .n h5{font-family:var(--yk-font-serif);font-size:16px;color:var(--ink);margin-bottom:6px}.theory-ov .ov-nodes .n p{font-size:13.5px;color:var(--ink-soft)}.theory-ov .ov-curve{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:20px}.theory-ov .ov-curve .c{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px;text-align:center}.theory-ov .ov-curve .c .t{font-family:var(--yk-font-serif);font-size:15px;font-weight:700;color:var(--ink)}.theory-ov .ov-curve .c .en{font-size:11px;color:var(--yk-red);letter-spacing:1px;margin:4px 0 8px}.theory-ov .ov-curve .c p{font-size:13px;color:var(--ink-soft);text-align:left}.theory-ov .ov-note{margin-top:24px;padding:18px 22px;border-left:3px solid var(--yk-red);background:var(--yk-cream-soft);border-radius:0 var(--radius) var(--radius) 0;font-size:15px;color:var(--ink-soft);font-style:italic}.theory-ov .ov-note b{color:var(--ink);font-style:normal}.theory-ov .ov-loop{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}.theory-ov .ov-loop.two{grid-template-columns:repeat(2,1fr)}.theory-ov .ov-loop .l{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px}.theory-ov .ov-loop .l h5{font-family:var(--yk-font-serif);font-size:16px;color:var(--ink);margin-bottom:8px}.theory-ov .ov-loop .l p{font-size:13.5px;color:var(--ink-soft)}.theory-ov .ov-loop .l .lim{color:var(--yk-red-dark);margin-top:6px}.theory-ov .ov-fractal{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:20px}.theory-ov .ov-fractal .f{text-align:center;padding:20px 14px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius)}.theory-ov .ov-fractal .f .t{font-family:var(--yk-font-serif);font-size:15px;font-weight:700;color:var(--ink);margin-bottom:8px}.theory-ov .ov-fractal .f p{font-size:12.5px;color:var(--ink-soft)}.theory-ov .ov-coda{margin-top:40px;padding:26px 24px;text-align:center;font-size:17px;line-height:1.9;color:var(--ink);background:var(--yk-cream-soft);border:1px solid var(--line);border-radius:var(--radius)}.theory-ov .ov-coda b{color:var(--yk-red)}.theory-ov .ov-fig{margin:34px 0;text-align:center}.theory-ov .ov-fig img{width:100%;max-width:880px;height:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);box-shadow:0 16px 40px rgba(44,44,44,.1)}.theory-ov .ov-fig figcaption{max-width:880px;margin:12px auto 0;font-size:13px;line-height:1.7;color:var(--ink-soft);letter-spacing:.5px}.theory-ov .ov-foot{background:var(--yk-amber-dark);color:var(--yk-cream);padding:44px 0;text-align:center}.theory-ov .ov-foot .em{font-family:var(--yk-font-serif);font-size:19px;letter-spacing:1px;line-height:2}.theory-ov .ov-foot p{margin-top:14px;font-size:13px;letter-spacing:1px;color:rgba(255,255,255,.8)}@media (max-width: 960px){.theory-ov .ov-curve,.theory-ov .ov-fractal,.theory-ov .ov-stage,.theory-ov .ov-nodes,.theory-ov .ov-cells,.theory-ov .ov-loop{grid-template-columns:repeat(2,1fr)}}@media (max-width: 640px){.theory-ov .ov-curve,.theory-ov .ov-fractal,.theory-ov .ov-stage,.theory-ov .ov-nodes,.theory-ov .ov-cells,.theory-ov .ov-loop,.theory-ov .ov-loop.two{grid-template-columns:1fr}}:root{--yk-red: #C53D43;--yk-red-light: #E8836A;--yk-red-dark: #A62E33;--yk-amber: #B48B6B;--yk-amber-light: #D4B8A0;--yk-amber-dark: #8F6E52;--yk-cream: #FDF8F2;--yk-cream-soft: #F6F0E8;--yk-purple: #5E3A5E;--yk-black: #2C2C2C;--yk-black-soft: #6B6560;--yk-gray-bg: #F0EBE3;--yk-gray-border: #D1C7B8;--yk-green: #6B8F71;--yk-orange: #E8A87C;--yk-font-serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "SimSun", serif;--yk-font-sans: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--yk-font-mono: "Roboto Mono", "Consolas", monospace;--ink: var(--yk-black);--ink-soft: var(--yk-black-soft);--accent: var(--yk-red);--accent-dark: var(--yk-red-dark);--bg: var(--yk-cream);--paper: #FFFFFF;--line: var(--yk-gray-border);--radius: 12px;--header-h: 74px}*{margin:0;padding:0;box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{font-family:var(--yk-font-sans);font-size:16px;line-height:1.8;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 48px}h1,h2,h3,h4,h5,h6{font-family:var(--yk-font-serif);font-weight:600;line-height:1.45}.header{position:-webkit-sticky;position:sticky;top:0;z-index:100;background:rgba(253,248,242,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:box-shadow .2s,border-color .2s}.header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 4px 18px rgba(44,44,44,.06)}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:var(--header-h);gap:16px}.brand{display:flex;align-items:center;flex-shrink:0}.brand img.logo-horizontal{height:40px;width:auto;display:block}.nav{display:flex;gap:2px;align-items:center}.nav>a,.nav .nav-drop-label{display:inline-flex;align-items:center;gap:5px;padding:8px 12px;border-radius:8px;font-size:15px;font-weight:500;color:var(--ink);background:none;border:0;cursor:pointer;white-space:nowrap;transition:color .18s,background .18s}.nav>a:hover,.nav .nav-drop-label:hover{color:var(--yk-red);background:var(--yk-cream-soft)}.nav>a.active,.nav .nav-drop-label.active{color:var(--yk-red);font-weight:600}.nav .nav-drop{position:relative;display:flex;align-items:center}.nav .nav-drop-label .chev{transition:transform .18s}.nav .nav-drop.open .nav-drop-label .chev{transform:rotate(180deg)}.nav .nav-drop-menu{position:absolute;top:calc(100% + 6px);left:50%;transform:translate(-50%) translateY(4px);min-width:230px;padding:8px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 16px 40px rgba(44,44,44,.14);opacity:0;visibility:hidden;z-index:30;transition:opacity .18s ease,transform .18s ease,visibility .18s}.nav .nav-drop-menu:before{content:"";position:absolute;top:-5px;left:50%;margin-left:-5px;width:10px;height:10px;background:var(--paper);border-left:1px solid var(--line);border-top:1px solid var(--line);transform:rotate(45deg)}.nav .nav-drop:hover .nav-drop-menu,.nav .nav-drop:focus-within .nav-drop-menu,.nav .nav-drop.open .nav-drop-menu{opacity:1;visibility:visible;transform:translate(-50%) translateY(0)}.nav .nav-drop-menu a{display:flex;align-items:center;gap:6px;padding:11px 14px;border-radius:8px;color:var(--ink);font-size:14px;transition:background .15s,color .15s}.nav .nav-drop-menu a .ext{flex-shrink:0;color:var(--yk-black-soft)}.nav .nav-drop-menu a:hover{background:var(--yk-cream);color:var(--yk-red)}.nav .nav-drop-menu a.active{color:var(--yk-red);background:var(--yk-cream);font-weight:600}.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;padding:10px;background:none;border:1px solid var(--line);border-radius:8px;cursor:pointer}.nav-toggle span{display:block;height:2px;width:100%;background:var(--ink);border-radius:2px;transition:transform .2s,opacity .2s}.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle.open span:nth-child(2){opacity:0}.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.mobile-nav{display:none;border-top:1px solid var(--line);background:var(--paper);padding:10px 24px 22px;max-height:calc(100dvh - var(--header-h));overflow-y:auto}.mobile-nav>a{display:block;padding:12px 4px;border-bottom:1px solid var(--yk-gray-bg);font-size:15px;font-weight:500;color:var(--ink)}.mobile-nav>a.active{color:var(--yk-red)}.mobile-group{margin-top:10px}.mobile-group-label{padding:10px 4px 6px;font-family:var(--yk-font-serif);font-size:14px;font-weight:600;letter-spacing:1px;color:var(--yk-amber-dark)}.mobile-group a{display:block;padding:9px 4px 9px 14px;font-size:14px;color:var(--ink-soft);border-left:2px solid var(--yk-gray-border);margin-left:6px}.mobile-group a:hover{color:var(--yk-red)}.section{padding:84px 0}.section.alt{background:var(--paper)}.assess-cta{background:var(--yk-cream-soft)}.assess-cta-inner{display:grid;grid-template-columns:minmax(0,1fr);justify-items:center;text-align:center}.assess-cta-copy{max-width:720px}.assess-cta-copy .en{display:block;font-size:12px;letter-spacing:4px;color:var(--yk-amber-dark);margin-bottom:10px}.assess-cta-copy h2{color:var(--ink);font-size:30px;margin-bottom:16px}.assess-cta-copy>p{color:var(--ink-soft);font-size:15.5px;line-height:1.9;margin-bottom:14px}.assess-cta-meta{font-size:13.5px!important;color:var(--ink-soft)!important;padding:10px 18px;display:inline-block;background:var(--paper);border:1px solid var(--line);border-radius:999px;margin-bottom:22px!important}.assess-cta-meta b{color:var(--yk-red);font-size:15px}.assess-cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:18px}.assess-cta-note{font-size:12.5px!important;color:var(--ink-soft)!important;opacity:.82}.section.soft{background:var(--yk-gray-bg)}.section-title{text-align:center;margin-bottom:48px}.section-title .en{color:var(--yk-red);font-size:13px;letter-spacing:4px;text-transform:uppercase}.section-title h2{font-size:32px;letter-spacing:2px;color:var(--ink);margin:8px 0 12px}.section-title .sub{color:var(--ink-soft);font-size:15px;max-width:720px;margin:0 auto}.lead{max-width:780px;margin:0 auto;color:var(--ink-soft);font-size:16.5px}.lead p{margin-bottom:18px}.lead strong{color:var(--yk-red)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 30px;border-radius:8px;background:linear-gradient(135deg,var(--yk-red) 0%,var(--yk-red-light) 100%);color:var(--yk-cream);font-size:15px;font-weight:500;letter-spacing:1px;border:none;cursor:pointer;transition:filter .18s,transform .18s,box-shadow .18s}.btn:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 8px 24px rgba(197,61,67,.22)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;filter:none;box-shadow:none}.btn.ghost{background:transparent;border:1px solid var(--yk-amber);color:var(--yk-amber-dark)}.btn.ghost:hover{background:var(--yk-cream-soft);box-shadow:none}.btn.on-dark{background:var(--yk-cream);color:var(--yk-red)}.btn.on-dark:hover{box-shadow:0 8px 24px rgba(0,0,0,.18)}.btn-sm{height:38px;padding:0 20px;font-size:14px;border-radius:7px}.hero{position:relative;background:radial-gradient(ellipse at 78% 18%,rgba(197,61,67,.1),transparent 46%),radial-gradient(ellipse at 16% 82%,rgba(180,139,107,.16),transparent 52%),var(--yk-cream);padding:116px 0 118px;overflow:hidden}.hero:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 20% 30%,rgba(180,139,107,.14) 0 1px,transparent 1.5px);background-size:26px 26px;opacity:.55;pointer-events:none}.hero-inner{position:relative;max-width:1120px;margin:0 auto;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;text-align:left}.hero-copy{max-width:560px}.hero-visual{display:flex;justify-content:center}.hero-visual img{width:100%;max-width:430px;height:auto;border-radius:18px;border:1px solid var(--yk-amber-light);box-shadow:0 26px 64px rgba(44,44,44,.14)}.hero-kicker{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border:1px solid var(--yk-amber-light);color:var(--yk-amber-dark);border-radius:999px;font-size:13px;letter-spacing:2px;background:rgba(255,255,255,.6)}.hero-quote{margin-top:30px;font-family:var(--yk-font-serif);font-size:clamp(26px,4.2vw,44px);font-weight:700;line-height:1.45;letter-spacing:1px;color:var(--ink)}.hero-quote .hl{color:var(--yk-red)}.hero-sub{margin-top:22px;font-size:clamp(16px,2vw,19px);color:var(--ink-soft);letter-spacing:1px}.hero-slogan{margin-top:14px;font-size:15px;color:var(--yk-amber-dark);letter-spacing:3px}.hero-actions{margin-top:42px;display:flex;gap:16px;justify-content:flex-start;flex-wrap:wrap}.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.entry-card{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;transition:transform .22s,box-shadow .22s,border-color .22s}.entry-card:hover{transform:translateY(-5px);box-shadow:0 16px 36px rgba(44,44,44,.1);border-color:var(--yk-amber-light)}.entry-card .icon{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center}.entry-card .icon svg{width:27px;height:27px}.entry-card.icon-red .icon{background:rgba(197,61,67,.1);color:var(--yk-red)}.entry-card.icon-amber .icon{background:rgba(180,139,107,.16);color:var(--yk-amber-dark)}.entry-card.icon-purple .icon{background:rgba(94,58,94,.1);color:var(--yk-purple)}.entry-card h3{margin-top:22px;font-size:21px;color:var(--ink)}.entry-card p{margin-top:10px;color:var(--ink-soft);font-size:15px;flex:1}.entry-card .more{margin-top:18px;color:var(--yk-red);font-size:14px;font-weight:500;display:inline-flex;align-items:center;gap:5px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;text-align:center}.stat b{font-family:var(--yk-font-mono);font-size:40px;color:var(--yk-red);display:block;line-height:1.2}.stat p{color:var(--ink-soft);margin-top:6px;font-size:14px;letter-spacing:1px}.pillar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.pillar-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;border-top:4px solid var(--yk-red)}.pillar-card .no{font-family:var(--yk-font-serif);color:var(--yk-amber-light);font-size:30px;font-weight:700}.pillar-card h3{margin:12px 0 10px;font-size:20px}.pillar-card p{color:var(--ink-soft);font-size:15px}.notice-card{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--yk-red);border-radius:var(--radius);padding:26px 30px;transition:box-shadow .2s}.notice-card:hover{box-shadow:0 10px 28px rgba(44,44,44,.08)}.notice-card time{color:var(--yk-red);font-size:13px;font-family:var(--yk-font-mono)}.notice-card h3{margin:8px 0 6px;font-size:19px}.notice-card p{color:var(--ink-soft);font-size:14px}.notice-list{display:flex;flex-direction:column;gap:16px;max-width:820px;margin:0 auto}.page-hero{background:linear-gradient(135deg,var(--yk-amber) 0%,var(--yk-amber-dark) 100%);color:#fff;padding:72px 0;text-align:center}.page-hero .en{font-size:12px;letter-spacing:5px;text-transform:uppercase;color:rgba(255,255,255,.75)}.page-hero h1{font-size:34px;letter-spacing:4px;margin-top:8px}.page-hero h1 .title-en{display:block;margin-top:12px;font-size:13.5px;font-weight:400;letter-spacing:.5px;line-height:1.6;color:rgba(255,255,255,.82)}.page-hero .crumb{margin-top:14px;font-size:13px;color:rgba(255,255,255,.82);letter-spacing:1px}.page-hero .crumb a:hover{text-decoration:underline}.page-hero p{margin-top:10px;font-size:13px;letter-spacing:4px;color:rgba(255,255,255,.75)}.prose{max-width:800px;margin:0 auto;color:var(--ink-soft);font-size:16px}.prose p{margin-bottom:18px}.prose strong{color:var(--yk-red)}.prose h3{color:var(--ink);margin:34px 0 12px;font-size:21px}.prose ul{margin:0 0 18px;padding-left:22px}.prose li{margin-bottom:10px;line-height:1.85}.prose li::marker{color:var(--yk-red)}.legal-lead{font-size:17px;color:var(--ink);line-height:1.85;padding-bottom:20px;margin-bottom:24px;border-bottom:1px solid var(--line)}.legal-switch{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:8px}.legal-switch a{font-size:13.5px;color:var(--yk-red);border:1px solid var(--line);border-radius:999px;padding:5px 16px;transition:border-color .2s,background .2s}.legal-switch a:hover{border-color:var(--yk-red);background:var(--yk-cream-soft)}.legal-updated{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-soft);font-family:var(--yk-font-mono)}.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}.card-grid.three{grid-template-columns:repeat(3,1fr)}.info-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:30px;border-left:4px solid var(--yk-red)}.info-card h3{color:var(--ink);margin-bottom:10px;font-size:19px}.info-card p{color:var(--ink-soft);font-size:15px}.info-card .tag{display:inline-block;margin-top:12px;padding:3px 12px;border-radius:999px;background:var(--yk-cream);border:1px solid var(--line);font-size:12px;color:var(--yk-amber-dark)}.dim-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.dim-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;text-align:center;transition:transform .2s,box-shadow .2s}.dim-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(44,44,44,.08)}.dim-card .num{font-family:var(--yk-font-serif);font-size:34px;font-weight:700;color:var(--yk-red);line-height:1}.dim-card h3{margin:10px 0 8px;font-size:18px}.dim-card p{color:var(--ink-soft);font-size:14px}.triad-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px}.triad-card h3{font-size:18px;margin-bottom:10px}.triad-card h3 .idx{color:var(--yk-red);margin-right:8px}.triad-card .triad-nums{margin:12px 0;display:flex;gap:8px;flex-wrap:wrap}.triad-card .triad-nums span{width:34px;height:34px;border-radius:50%;background:var(--yk-cream);border:1px solid var(--yk-amber-light);color:var(--yk-amber-dark);display:inline-flex;align-items:center;justify-content:center;font-family:var(--yk-font-mono);font-size:14px}.triad-card p{color:var(--ink-soft);font-size:14.5px}.books-visual{display:flex;justify-content:center;margin:4px 0 48px}.books-visual img{width:100%;max-width:460px;height:auto;border-radius:16px;border:1px solid var(--line);box-shadow:0 22px 56px rgba(44,44,44,.12)}.book-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.book-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}.book-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(44,44,44,.08)}.book-card .b-no{font-family:var(--yk-font-serif);color:var(--yk-amber-light);font-weight:700;font-size:26px}.book-card h3{margin:12px 0 8px;font-size:18px}.book-card .b-en{font-size:12px;color:var(--yk-amber-dark);letter-spacing:1px;margin-bottom:8px}.book-card p{color:var(--ink-soft);font-size:14px;flex:1}.book-card .status{align-self:flex-start;margin-top:14px;padding:3px 12px;border-radius:999px;font-size:12px;background:var(--yk-cream);border:1px solid var(--line);color:var(--yk-amber-dark)}.course-type-list{display:flex;flex-direction:column;gap:22px;max-width:900px;margin:0 auto}.course-type{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px 30px;display:grid;grid-template-columns:180px 1fr;gap:24px;align-items:center}.course-type .ct-tag{font-family:var(--yk-font-serif);font-size:20px;font-weight:700;color:var(--yk-red)}.course-type h3{font-size:18px}.course-type p{color:var(--ink-soft);font-size:14.5px;margin-top:6px}.course-tabs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:40px}.course-tab{padding:10px 22px;border-radius:999px;border:1px solid var(--line);background:var(--paper);color:var(--ink-soft);font-size:14px;cursor:pointer;transition:all .18s}.course-tab:hover{border-color:var(--yk-red);color:var(--yk-red)}.course-tab.active{background:var(--yk-red);border-color:var(--yk-red);color:#fff;font-weight:500}.phase-block{margin-bottom:34px}.phase-head{display:flex;align-items:baseline;gap:14px;padding:14px 22px;border-radius:var(--radius);background:linear-gradient(135deg,var(--yk-amber) 0%,var(--yk-amber-dark) 100%);color:#fff}.phase-head .ph-name{font-family:var(--yk-font-serif);font-size:19px;font-weight:600}.phase-head .ph-range{font-size:13px;opacity:.85}.tl{border-left:2px solid var(--yk-amber-light);margin:18px 0 0 14px;padding-left:22px;display:flex;flex-direction:column;gap:12px}.tl-item{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:12px 18px;display:grid;grid-template-columns:76px 120px 1fr;gap:14px;align-items:center;transition:box-shadow .18s,border-color .18s}.tl-item:before{content:"";position:absolute;left:-28px;top:50%;transform:translateY(-50%);width:9px;height:9px;border-radius:50%;background:var(--yk-red);border:2px solid var(--yk-cream);box-shadow:0 0 0 2px var(--yk-red)}.tl-item:hover{border-color:var(--yk-amber-light);box-shadow:0 8px 22px rgba(44,44,44,.07)}.tl-item .no{font-family:var(--yk-font-serif);font-weight:700;color:var(--yk-red);font-size:15px}.tl-item .date{font-size:13px;color:var(--ink-soft);font-family:var(--yk-font-mono)}.tl-item .topic{font-size:15px}.assess-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}.assess-card{border-radius:var(--radius);overflow:hidden;background:var(--paper);border:1px solid var(--line);display:flex;flex-direction:column;transition:transform .22s,box-shadow .22s}.assess-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(44,44,44,.1)}.assess-card .a-head{padding:26px 28px 20px;color:#fff}.assess-card.a-red .a-head{background:linear-gradient(135deg,var(--yk-red) 0%,var(--yk-red-dark) 100%)}.assess-card.a-amber .a-head{background:linear-gradient(135deg,var(--yk-amber) 0%,var(--yk-amber-dark) 100%)}.assess-card.a-purple .a-head{background:linear-gradient(135deg,var(--yk-purple) 0%,#43304A 100%)}.assess-card .a-head h3{font-size:21px}.assess-card .a-head .a-en{font-size:12px;letter-spacing:2px;opacity:.8;margin-top:4px;text-transform:uppercase}.assess-card .a-body{padding:20px 28px 26px;flex:1;display:flex;flex-direction:column}.assess-card .a-body p{color:var(--ink-soft);font-size:14.5px;flex:1}.assess-card .a-body .a-meta{margin-top:12px;font-size:12.5px;color:var(--yk-amber-dark)}.assess-card.is-disabled{cursor:default;opacity:.82}.assess-card.is-disabled:hover{transform:none;box-shadow:none}.assess-card.is-disabled .a-icon{opacity:.55}.assess-card.is-disabled .a-tag{display:inline-block;background:var(--yk-gray-bg);color:var(--ink-soft);border:1px solid var(--line);border-radius:999px;padding:2px 12px;font-size:12px;letter-spacing:1px}.disclaimer{margin-top:40px;background:var(--yk-cream-soft);border:1px dashed var(--yk-amber-light);border-radius:var(--radius);padding:22px 26px;font-size:13.5px;color:var(--ink-soft)}.disclaimer strong{color:var(--yk-amber-dark)}.phase-note{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--yk-amber);border-radius:var(--radius);padding:22px 26px;max-width:860px;margin:0 auto 26px}.phase-note h3{font-size:17px;margin-bottom:8px}.phase-note p{color:var(--ink-soft);font-size:14.5px}.news-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:18px}.news-item{display:flex;gap:22px;align-items:flex-start;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;transition:box-shadow .2s,transform .2s}.news-item:hover{box-shadow:0 10px 28px rgba(44,44,44,.08);transform:translateY(-2px)}.news-thumb{width:212px;height:120px;flex-shrink:0;object-fit:cover;border-radius:10px}.news-body{flex:1;min-width:0}.news-body time{color:var(--yk-red);font-size:13px;font-family:var(--yk-font-mono)}.news-body h2{margin:8px 0;font-size:19px;line-height:1.5}.news-body p{color:var(--ink-soft);font-size:14px}.news-empty{text-align:center;color:var(--ink-soft);padding:60px 0}.article{max-width:780px;margin:0 auto;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:44px 48px}.article h1{font-size:26px;line-height:1.5;margin:10px 0 8px}.article .a-time{color:var(--yk-red);font-size:13px;font-family:var(--yk-font-mono)}.article-cover{width:100%;border-radius:12px;margin-bottom:20px}.article .content{margin-top:20px;white-space:pre-wrap;color:var(--ink-soft);line-height:1.9}.article .content p{margin:0 0 16px;white-space:normal}.article .content img{max-width:100%;border-radius:10px;margin:6px 0}.article .content strong{color:var(--ink)}.back-link{display:inline-block;margin-top:30px;color:var(--yk-red)}.back-link:hover{text-decoration:underline}.article .content h2{font-family:var(--yk-font-serif, Georgia, serif);font-size:23px;color:var(--ink);margin:52px 0 16px;padding-left:14px;border-left:4px solid var(--yk-red);line-height:1.5;letter-spacing:1px}.article .content h3{font-family:var(--yk-font-serif, Georgia, serif);font-size:18.5px;color:var(--ink);margin:30px 0 10px;padding-left:12px;position:relative;line-height:1.55}.article .content h3:before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--yk-red);opacity:.82}.article .content .lead{font-size:17px;color:var(--yk-red);letter-spacing:1px;margin:0 0 28px;padding-bottom:14px;border-bottom:1px dashed var(--line);line-height:2}.article .content p{text-align:justify;text-indent:2em}.article .content p.lib-toc,.article .content p.lib-caption,.article .content .lead,.article .content td p,.article .content p[style*="text-align:center"],.article .content p[style*="text-align: center"]{text-indent:0}.article .content p:has(img){text-indent:0}.article .lib-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%;margin:18px 0 26px;border:1px solid var(--line);border-radius:10px;background:var(--paper);box-shadow:0 2px 10px rgba(44,44,44,.04)}.article .content table{border-collapse:collapse;width:100%;min-width:560px;font-size:14px}.article .content th,.article .content td{border-bottom:1px solid var(--line);border-right:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top;white-space:normal;line-height:1.7;color:var(--ink-soft)}.article .content th{background:var(--yk-cream, #FDF8F2);color:var(--ink);font-weight:600}.article .content tbody tr:nth-child(2n){background:rgba(197,61,67,.03)}.article .content tbody tr:hover{background:rgba(197,61,67,.06)}.article .content tr:last-child td{border-bottom:0}.article .content th:last-child,.article .content td:last-child{border-right:0}.article .content .lib-caption{color:var(--yk-red);font-weight:600;margin:24px 0 8px}.article .content .lib-toc{margin:0 0 6px;padding-left:14px;position:relative;color:var(--ink-soft)}.article .content .lib-toc:before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--yk-red);opacity:.5}.article .content .lib-doc--terms p{text-indent:2em;margin-bottom:14px;font-size:15.5px;line-height:2}.article .content .lib-doc--terms .lead{text-indent:2em;font-size:16px}.article .content .lib-doc--terms strong{color:var(--yk-red);font-weight:600;background:linear-gradient(transparent 62%,rgba(197,61,67,.12) 62%);padding:0 2px}.article .content .lib-doc--terms h2{font-size:21px;margin:44px 0 14px;padding:10px 0 10px 16px;background:linear-gradient(90deg,rgba(197,61,67,.08),transparent 70%);border-left:4px solid var(--yk-red)}.article .content .lib-doc--terms h3{font-size:17.5px;margin:26px 0 10px}.article .content .lib-doc--terms .lib-table-wrap{margin:28px 0 16px;border:1px solid rgba(197,61,67,.25);border-radius:8px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.04)}.article .content .lib-doc--terms .lib-table-wrap table{min-width:560px;font-size:14px;margin:0}.article .content .lib-doc--terms .lib-table-wrap th{background:var(--yk-cream, #FDF8F2);text-align:center;font-size:13.5px;letter-spacing:.04em}.article .content .lib-doc--terms .lib-table-wrap td{text-align:center}.article .content .lib-doc--terms .lib-table-wrap tbody tr:last-child td{border-bottom:0}.article .content{max-width:100%;overflow-x:hidden}.article .content>table{display:block;overflow-x:auto;max-width:100%}@media (max-width: 720px){.article .content .lib-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}.article .content table{min-width:0;width:100%}.article .content th,.article .content td{padding:8px;font-size:12.5px;line-height:1.55;word-break:break-word;overflow-wrap:anywhere;white-space:normal}.article .content .lib-table-wrap th:first-child,.article .content .lib-table-wrap td:first-child{max-width:92px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.article .content .lib-table-wrap:has(table>thead>tr>th:nth-child(5)) table{min-width:520px}}.article .content .lib-doc--yanjiu p{margin-bottom:-.5em}.article .content .lib-doc--yanjiu ul{margin:2px 0 10px}.article .content .lib-doc--yanjiu .lib-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}@media (max-width: 720px){.article{padding:28px 20px}.article .content .lib-doc--yanjiu .lib-table-wrap table{min-width:0;width:100%}.article .content .lib-doc--yanjiu .lib-table-wrap th,.article .content .lib-doc--yanjiu .lib-table-wrap td{padding:7px;font-size:12.5px;line-height:1.55;word-break:break-word;overflow-wrap:anywhere}.page-hero h1 .title-en{font-size:12px}}.article .content .news-aenea .speaker{display:grid;grid-template-columns:200px 1fr;gap:22px;align-items:flex-start;margin:26px 0 34px}.article .content .news-aenea .speaker>img{width:100%;border-radius:10px;margin:0}.article .content .news-aenea .slot{display:inline-block;font-size:13px;letter-spacing:1px;color:#fff;background:var(--yk-red);border-radius:999px;padding:3px 12px;margin-bottom:8px}.article .content .news-aenea .role{color:var(--yk-amber-dark, #8a6d3b);font-size:14px;margin:2px 0 12px}.article .content .news-aenea .topic{font-weight:600;color:var(--ink)}.article .content .news-aenea .agenda{list-style:none;padding-left:0;margin:10px 0 20px}.article .content .news-aenea .agenda li{margin:8px 0;color:var(--ink-soft)}.article .content .news-aenea img.event-logo{max-width:240px;width:100%;margin:8px auto 14px;display:block}.article .content .news-aenea .during{background:var(--yk-cream, #FDF8F2);border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin:12px 0 16px}.article .content .news-aenea .during h4{margin:0 0 8px;font-size:15px;color:var(--yk-red)}.article .content .news-aenea .info{display:grid;grid-template-columns:1fr 1fr;gap:20px;background:var(--yk-cream, #FDF8F2);border:1px solid var(--line);border-radius:12px;padding:20px 24px;margin:18px 0}.article .content .news-aenea .info>div{font-size:14.5px}.article .content .news-aenea .logos{display:flex;gap:26px;align-items:center;flex-wrap:wrap;margin:26px 0 6px}.article .content .news-aenea .logos img{max-height:56px;width:auto;border-radius:0;margin:0}.article .content .news-aenea .source{margin-top:30px;padding-top:16px;border-top:1px solid var(--line);font-size:14px;color:#8a8a8a;word-break:break-all}@media (max-width: 720px){.article .content .news-aenea .speaker{grid-template-columns:1fr}.article .content .news-aenea .speaker>img{max-width:280px}.article .content .news-aenea .info{grid-template-columns:1fr}.article .content .news-aenea table{min-width:0;width:100%}.article .content .news-aenea th,.article .content .news-aenea td{padding:7px 8px;font-size:12.5px;word-break:break-word}}.contact-wrap{display:grid;grid-template-columns:1fr 1.4fr;gap:36px;max-width:960px;margin:0 auto}.contact-info{background:var(--yk-purple);color:#f3e3d0;border-radius:var(--radius);padding:36px}.contact-info h3{color:#fff;margin-bottom:18px;letter-spacing:2px;font-size:20px}.contact-info .ci-item{display:flex;gap:12px;margin-bottom:16px;font-size:15px;align-items:flex-start}.contact-info .ci-item svg{flex-shrink:0;margin-top:6px;color:var(--yk-amber-light)}.contact-info .ci-item a:hover{color:#fff;text-decoration:underline}.contact-info .ci-note{margin-top:20px;font-size:13px;opacity:.72}.contact-info .ci-brand{margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.16);font-size:12.5px;line-height:1.8;color:rgba(255,255,255,.78)}.contact-info .ci-brand strong{color:#fff;letter-spacing:1px}.contact-info .ci-origin{color:rgba(255,255,255,.6)}.contact-info .ci-legal,.contact-info .ci-privacy-note{margin-top:8px;color:rgba(255,255,255,.6)}.contact-info .ci-brand a{color:var(--yk-red-light)}.contact-info .ci-brand a:hover{color:#fff}.contact-form{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:36px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:14px;margin-bottom:6px;color:var(--ink-soft)}.form-group input,.form-group textarea{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:8px;font-size:15px;font-family:inherit;background:var(--yk-cream);color:var(--ink);outline:none;transition:border .2s}.form-group input:focus,.form-group textarea:focus{border-color:var(--yk-red)}.form-group input::placeholder,.form-group textarea::placeholder{color:var(--yk-gray-border)}.form-msg{margin-top:14px;font-size:14px}.form-msg.ok{color:var(--yk-green)}.form-msg.err{color:var(--yk-red)}.footer{background:var(--yk-black);color:rgba(255,255,255,.78);margin-top:40px}.footer-grid{display:grid;grid-template-columns:1.4fr 1.2fr 1.2fr 1fr;gap:36px;padding:52px 48px 40px}.footer-brand{display:flex;gap:14px;align-items:flex-start}.footer-brand img.footer-logo{width:64px;height:64px;border-radius:12px;flex-shrink:0}.footer-brand strong{color:#fff;font-family:var(--yk-font-serif);font-size:19px;letter-spacing:1px}.footer-brand small{display:block;margin-top:4px;color:rgba(255,255,255,.55);font-size:12px;letter-spacing:1px}.footer-brand p{margin-top:10px;font-size:13px;color:rgba(255,255,255,.6);line-height:1.7}.footer-brand-text{min-width:0}.footer-origin{margin-top:12px!important;padding-top:12px;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px!important;line-height:1.8!important;color:rgba(255,255,255,.48)!important}.name-origin{margin:24px 0 8px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);overflow:hidden}.name-origin .origin-row{display:flex;align-items:center;gap:14px;padding:14px 20px;border-bottom:1px solid var(--line);font-size:14.5px}.name-origin .origin-row:last-of-type{border-bottom:none}.name-origin .o-latin{font-family:var(--yk-font-mono);color:var(--yk-red);letter-spacing:1px;min-width:76px}.name-origin .o-cn{color:var(--ink);font-size:16px}.name-origin .o-arrow{color:var(--ink-soft)}.name-origin .o-brand{color:var(--yk-red);font-size:19px;min-width:28px}.name-origin .o-mean{color:var(--ink-soft);font-size:13.5px}.name-origin .origin-motto{padding:16px 20px;background:var(--yk-cream-soft);color:var(--yk-amber-dark);font-size:15px;letter-spacing:2px;text-align:center}.footer-col h4{color:var(--yk-amber-light);font-size:14px;letter-spacing:2px;margin-bottom:16px}.footer-col p{font-size:13.5px;margin-bottom:9px;color:rgba(255,255,255,.72)}.footer-col a{display:block;font-size:13.5px;margin-bottom:9px;color:rgba(255,255,255,.72);transition:color .15s}.footer-col a:hover{color:var(--yk-red-light)}.footer-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center;padding:18px 48px;border-top:1px solid rgba(255,255,255,.1);font-size:12.5px;color:rgba(255,255,255,.5)}.footer-bottom a{color:rgba(255,255,255,.65)}.footer-bottom a:hover{color:var(--yk-red-light)}.footer-beian{display:inline-flex;align-items:center;white-space:nowrap}.vol-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:18px}.vol-card{display:flex;flex-direction:column;text-align:left;padding:24px 22px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);cursor:pointer;font:inherit;transition:transform .2s,box-shadow .2s,border-color .2s}.vol-card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(44,44,44,.09);border-color:var(--yk-amber-light)}.vol-card.active{border-color:var(--yk-red);box-shadow:0 14px 32px rgba(197,61,67,.14)}.vol-card .vol-no{font-family:var(--yk-font-serif);color:var(--yk-amber-dark);font-size:12.5px;letter-spacing:2px}.vol-card h3{font-size:21px;color:var(--ink);margin:8px 0 4px}.vol-card .vol-en{font-size:11.5px;letter-spacing:2px;text-transform:uppercase;color:var(--ink-soft)}.vol-card p{color:var(--ink-soft);font-size:13.5px;line-height:1.75;margin-top:12px;flex:1}.vol-card .vol-count{margin-top:14px;font-size:12.5px;color:var(--yk-red);font-weight:500}.lib-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap}.lib-head h2{font-size:22px;color:var(--ink);letter-spacing:1px}.lib-head .lib-total{margin-left:12px;font-size:13px;font-weight:400;color:var(--ink-soft);letter-spacing:0}.lib-reset{background:none;border:0;padding:0;cursor:pointer;font:inherit;font-size:14px;color:var(--yk-red)}.lib-reset:hover{text-decoration:underline}.lib-desc{color:var(--ink-soft);font-size:14.5px;margin:10px 0 24px;max-width:820px}.lib-list{max-width:860px;margin:24px auto 0;display:flex;flex-direction:column;gap:14px}.lib-item{display:block;padding:20px 24px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);transition:transform .2s,box-shadow .2s,border-color .2s}.lib-item:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(44,44,44,.08);border-color:var(--yk-amber-light)}.lib-item h3{font-size:18px;color:var(--ink);line-height:1.55}.lib-item p{color:var(--ink-soft);font-size:14px;margin-top:8px}.lib-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:12.5px;color:var(--ink-soft);margin-bottom:8px}.lib-meta time{font-family:var(--yk-font-mono)}.lib-meta .vol{padding:2px 11px;border-radius:999px;background:var(--yk-cream);border:1px solid var(--line);color:var(--yk-amber-dark)}.lib-meta .vol,.lib-card .vol{display:inline-flex;align-items:center;gap:6px}.fresh-tag{display:inline-block;font-style:normal;font-size:10.5px;line-height:1.4;letter-spacing:.08em;padding:0 7px;border-radius:999px;background:var(--yk-red);color:#fff;font-weight:600}.lib-summary{color:var(--ink-soft);margin-bottom:20px;padding-bottom:18px;border-bottom:1px solid var(--line)}.empty-note{text-align:center;color:var(--ink-soft);padding:56px 0}@media (max-width: 1024px){.container{padding:0 32px}.stats,.dim-grid,.card-grid.three,.book-grid,.entry-grid,.pillar-grid,.footer-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 1120px){.nav{display:none}.nav-toggle{display:flex}.mobile-nav{display:block}}@media (max-width: 720px){.container{padding:0 22px}.section{padding:64px 0}.entry-grid,.pillar-grid,.card-grid,.card-grid.three,.dim-grid,.book-grid,.assess-grid,.contact-wrap,.stats{grid-template-columns:1fr}.course-type{grid-template-columns:1fr;gap:8px}.tl-item{grid-template-columns:60px 1fr}.tl-item .date{grid-column:2;grid-row:2}.form-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:26px;padding:40px 22px 30px}.footer-bottom{padding:16px 22px}.hero{padding:84px 0}.hero-inner{grid-template-columns:1fr;gap:40px;text-align:center}.hero-copy{max-width:100%}.hero-actions{justify-content:center}.hero-visual img{max-width:320px}.hero-actions .btn{width:100%}}@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}.footer-col .footer-follow-label{margin-top:14px;margin-bottom:12px;color:var(--yk-amber-light);font-size:14px;letter-spacing:2px}.social-links{display:flex;flex-direction:column;gap:10px}.social-links .social-item{display:flex;align-items:center;gap:10px;width:100%;margin:0;padding:9px 12px;border-radius:10px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);color:rgba(255,255,255,.85);font:inherit;text-align:left;text-decoration:none;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;transition:background .18s ease,border-color .18s ease,transform .18s ease}.social-links .social-item:hover{background:rgba(255,255,255,.09);border-color:var(--yk-amber-light);color:#fff;transform:translateY(-1px)}.social-links .social-ico{display:inline-flex;width:20px;height:20px;flex-shrink:0;color:var(--yk-amber-light)}.social-links .social-ico svg{width:20px;height:20px}.social-links .social-text{display:flex;flex-direction:column;line-height:1.3;min-width:0;flex:1}.social-links .social-text strong{font-size:13.5px;font-weight:600;letter-spacing:.5px;color:rgba(255,255,255,.92)}.social-links .social-text small{font-size:11.5px;color:rgba(255,255,255,.55);word-break:break-all}.social-links .social-affordance{flex-shrink:0;font-size:11px;letter-spacing:1px;color:rgba(255,255,255,.45)}.contact-follow{margin-top:26px}.contact-follow h4{color:var(--yk-amber-light);font-size:15px;letter-spacing:2px;margin-bottom:14px}.qr-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:999;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(20,16,10,.62);animation:qrFade .18s ease}@keyframes qrFade{0%{opacity:0}to{opacity:1}}.qr-card{width:min(360px,92vw);background:#fff;border-radius:16px;padding:22px 22px 18px;text-align:center;box-shadow:0 24px 60px rgba(0,0,0,.28)}.qr-card h4{font-size:15px;color:var(--ink);margin-bottom:14px}.qr-img{display:block;width:100%;max-width:260px;height:auto;margin:0 auto;border-radius:10px}.qr-hint{font-size:12.5px;color:var(--ink-soft);margin-top:12px}.qr-actions{display:flex;gap:10px;margin-top:16px}.qr-actions button{flex:1;padding:9px 12px;border-radius:9px;font:inherit;font-size:13px;cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--ink);transition:background .18s ease,border-color .18s ease}.qr-actions button:hover{border-color:var(--yk-amber)}.qr-copy{background:var(--yk-amber-light)!important;border-color:var(--yk-amber-light)!important;color:#3a2b10!important;font-weight:600}.lib-teaser{background:var(--yk-cream-soft)}.lib-volumes{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:44px}.lib-volume{position:relative;display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-top:3px solid var(--yk-amber);border-radius:var(--radius);padding:20px 18px 18px;color:inherit;text-decoration:none;transition:transform .2s,box-shadow .2s,border-color .2s}.lib-volume:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(44,44,44,.09);border-color:var(--yk-amber);border-top-color:var(--yk-red)}.lib-volume .no{font-family:var(--yk-font-mono);font-size:12px;letter-spacing:.14em;color:var(--yk-red)}.lib-volume b{margin-top:6px;font-family:var(--yk-font-serif);font-size:21px;letter-spacing:3px;color:var(--ink)}.lib-volume em{font-style:normal;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--yk-amber-dark)}.lib-volume .cnt{margin-top:8px;font-size:12.5px;font-family:var(--yk-font-mono);color:var(--ink-soft)}.lib-volume p{margin-top:10px;font-size:13px;line-height:1.75;color:var(--ink-soft)}.lib-latest{margin-top:8px}.lib-latest-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid var(--line)}.lib-latest-head h3{font-family:var(--yk-font-serif);font-size:20px;letter-spacing:3px;color:var(--ink)}.lib-latest-head .more{font-size:13.5px;color:var(--yk-red);text-decoration:none;white-space:nowrap}.lib-latest-head .more:hover{text-decoration:underline}.lib-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.lib-card{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--yk-red);border-radius:var(--radius);padding:20px 22px 18px;color:inherit;text-decoration:none;transition:box-shadow .2s,transform .2s}.lib-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(44,44,44,.08)}.lib-card .vol{align-self:flex-start;font-size:11.5px;letter-spacing:.1em;color:var(--yk-amber-dark);background:var(--yk-cream-soft);border:1px solid var(--yk-amber-light);border-radius:999px;padding:2px 10px}.lib-card h4{margin-top:12px;font-size:16.5px;line-height:1.6;color:var(--ink);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.lib-card p{margin-top:10px;font-size:13.5px;line-height:1.75;color:var(--ink-soft);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.lib-card .author{margin-top:auto;padding-top:12px;font-size:12px;color:var(--yk-amber-dark)}@media (max-width: 1024px){.lib-volumes{grid-template-columns:repeat(3,1fr)}.lib-cards{grid-template-columns:repeat(2,1fr)}}@media (max-width: 720px){.lib-volumes{grid-template-columns:repeat(2,1fr);gap:10px}.lib-volume{padding:16px 14px 14px}.lib-volume b{font-size:18px;letter-spacing:2px}.lib-volume p{font-size:12.5px;-webkit-line-clamp:3;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}.lib-cards{grid-template-columns:1fr}.lib-latest-head{flex-direction:column;align-items:flex-start;gap:6px}.lib-card{padding:18px 18px 16px}}@media (max-width: 400px){.lib-volumes{grid-template-columns:1fr}}.share-block,.wx-follow{max-width:780px;margin:26px auto 0;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px 30px 24px}.share-head{margin-bottom:16px}.share-head h3{font-size:17px;color:var(--ink);letter-spacing:1px}.share-head p{margin-top:4px;font-size:12.5px;color:var(--ink-soft)}.share-wx-guide{display:flex;align-items:center;gap:14px;padding:14px 16px;margin-bottom:14px;border-radius:10px;background:linear-gradient(135deg,#eaf7ea,#dff2df);border:1px solid #C6E5C6}.share-wx-dots{flex-shrink:0;width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;background:#fff;border:1px solid #C6E5C6;border-radius:10px;font-size:20px;font-weight:700;letter-spacing:1px;line-height:1;color:#1aad19}.share-wx-text{flex:1;min-width:0}.share-wx-text strong{display:block;font-size:13.5px;color:#1f5c1f;line-height:1.5}.share-wx-text small{display:block;margin-top:4px;font-size:11.5px;color:#4c7a4c;line-height:1.5}.share-wx-arrow{flex-shrink:0;font-size:22px;color:#1aad19}.share-actions{display:flex;flex-wrap:wrap;gap:10px}.share-btn{flex:1 1 140px;height:42px;border-radius:8px;font-size:13.5px;font-weight:500;font-family:inherit;cursor:pointer;border:1px solid var(--line);background:var(--paper);color:var(--ink);transition:all .18s ease}.share-btn:hover{border-color:var(--yk-amber)}.share-btn.primary{background:var(--yk-red);border-color:var(--yk-red);color:#fff}.share-btn.primary:hover{background:var(--yk-red-dark);border-color:var(--yk-red-dark)}.share-btn.ghost{color:var(--ink-soft)}.share-note{margin-top:12px;font-size:11.5px;color:var(--ink-soft);line-height:1.6}.wx-follow{border-color:#c6e5c6;background:linear-gradient(180deg,#F7FCF7 0%,var(--paper) 62%)}.wx-follow-main{display:flex;gap:22px;align-items:flex-start}.wx-follow-body{flex:1;min-width:0}.wx-follow-tag{display:inline-block;padding:2px 8px;border-radius:999px;background:#eaf7ea;color:#2e7d32;font-size:11px;letter-spacing:1px}.wx-follow-body h3{margin:10px 0 8px;font-size:18px;color:var(--ink);letter-spacing:1px}.wx-follow-pitch{font-size:13.5px;color:var(--ink-soft);line-height:1.75}.wx-follow-tip{margin-top:10px;font-size:12.5px;color:#2e7d32}.wx-follow-group{margin-top:8px;font-size:12.5px;color:var(--ink-soft);line-height:1.7}.wx-follow-group b{color:var(--yk-red)}.wx-follow-qr{flex-shrink:0;width:132px;padding:0;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;overflow:hidden}.wx-follow-qr img{display:block;width:100%;height:auto}.wx-follow-qr small{display:block;padding:6px 0;font-size:11px;color:var(--ink-soft)}@media (max-width: 720px){.share-block,.wx-follow{padding:20px 18px;margin-top:18px}.wx-follow-main{flex-direction:column-reverse;align-items:stretch}.wx-follow-qr{width:100%;max-width:190px;margin:0 auto}.share-btn{flex:1 1 100%}}.topic-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}.topic-card{display:flex;flex-direction:column;padding:22px 22px 20px;background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--yk-red);border-radius:var(--radius);color:inherit;text-decoration:none;transition:transform .2s,box-shadow .2s,border-color .2s}.topic-card:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(44,44,44,.09);border-color:var(--yk-amber-light);border-left-color:var(--yk-amber)}.topic-card .topic-no{font-family:var(--yk-font-mono);font-size:11.5px;letter-spacing:.16em;color:var(--yk-amber-dark)}.topic-card h3{margin:6px 0 2px;font-size:20px;letter-spacing:2px;color:var(--ink)}.topic-card .topic-en{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft)}.topic-card p{flex:1;margin-top:12px;font-size:13.5px;line-height:1.8;color:var(--ink-soft)}.topic-card .topic-count{margin-top:14px;font-size:12.5px;color:var(--yk-red)}.topic-editor{max-width:860px;margin:0 auto 32px;padding:20px 24px;background:var(--yk-cream-soft);border-left:3px solid var(--yk-amber);border-radius:0 var(--radius) var(--radius) 0}.topic-editor .tag{display:block;margin-bottom:8px;font-family:var(--yk-font-mono);font-size:11.5px;letter-spacing:.16em;color:var(--yk-amber-dark)}.topic-editor p{font-size:14.5px;line-height:1.9;color:var(--ink-soft)}.topic-item{display:flex;gap:16px;align-items:flex-start}.topic-item .topic-order{flex-shrink:0;font-family:var(--yk-font-mono);font-size:20px;line-height:1.2;color:var(--yk-amber-light)}.topic-item-main{min-width:0}.topic-item:hover .topic-order{color:var(--yk-red)}.lib-topics{margin-bottom:40px}.lib-topics-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:14px}.lib-topics-head h3{font-family:var(--yk-font-serif);font-size:17px;letter-spacing:3px;color:var(--ink)}.lib-topics-head .more{font-size:13px;color:var(--yk-red);text-decoration:none}.lib-topics-head .more:hover{text-decoration:underline}.lib-topic-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.lib-topic{display:flex;flex-direction:column;gap:4px;padding:16px 18px;background:var(--paper);border:1px solid var(--line);border-top:3px solid var(--yk-red);border-radius:var(--radius);color:inherit;text-decoration:none;transition:transform .2s,box-shadow .2s}.lib-topic:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(44,44,44,.08)}.lib-topic .no{font-family:var(--yk-font-mono);font-size:11px;letter-spacing:.14em;color:var(--yk-amber-dark)}.lib-topic b{font-size:16.5px;letter-spacing:1px;color:var(--ink)}.lib-topic em{font-style:normal;font-size:12px;color:var(--ink-soft)}.lib-duo{display:grid;grid-template-columns:minmax(280px,.85fr) 1.6fr;gap:30px;align-items:start}.lib-note{font-size:12px;color:var(--ink-soft);font-family:var(--yk-font-mono)}.lib-rank{list-style:none;margin:0;padding:0}.lib-rank li{border-bottom:1px dashed var(--line)}.lib-rank li:last-child{border-bottom:0}.lib-rank-item{display:flex;gap:12px;align-items:baseline;padding:11px 0;color:inherit;text-decoration:none}.lib-rank-item .rk{flex-shrink:0;width:22px;font-family:var(--yk-font-mono);font-size:13px;color:var(--yk-amber-light)}.lib-rank-item .tx{min-width:0}.lib-rank-item b{display:block;font-size:14.5px;font-weight:500;line-height:1.6;color:var(--ink)}.lib-rank-item em{display:block;margin-top:3px;font-style:normal;font-size:11.5px;color:var(--ink-soft)}.lib-rank-item:hover .rk,.lib-rank-item:hover b{color:var(--yk-red)}@media (max-width: 1024px){.lib-topic-row{grid-template-columns:repeat(2,1fr)}.lib-duo{grid-template-columns:1fr;gap:34px}}.reading-brief{margin-bottom:26px;padding:18px 22px;background:var(--paper);border:1px solid var(--line);border-left:3px solid var(--yk-amber);border-radius:0 10px 10px 0}.reading-brief .rb-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:12px;flex-wrap:wrap}.reading-brief h2{font-size:15px;letter-spacing:1px;color:var(--ink);font-weight:600}.reading-brief .rb-time{font-size:12.5px;color:var(--yk-amber-dark);background:var(--yk-cream-soft);border:1px solid var(--line);border-radius:999px;padding:2px 12px;white-space:nowrap}.reading-brief .rb-digest{margin:0;font-size:15px;line-height:1.9;color:var(--ink-soft)}.reading-brief .rb-hint{margin:0;font-size:13.5px;color:var(--ink-soft);opacity:.85}.lib-intro{margin-bottom:22px;padding:16px 20px;background:var(--yk-cream-soft);border-left:3px solid var(--yk-red);border-radius:0 10px 10px 0;font-size:15px;line-height:1.85;color:var(--ink)}.art-topics{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:4px 0 16px;font-size:12.5px;color:var(--ink-soft)}.art-topics a{padding:2px 10px;border-radius:999px;background:var(--yk-cream);border:1px solid var(--yk-amber-light);color:var(--yk-amber-dark);text-decoration:none}.art-topics a:hover{border-color:var(--yk-red);color:var(--yk-red)}.related{max-width:780px;margin:0 auto}.rel-block{margin-top:30px;padding:24px 30px 22px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius)}.rel-head{display:flex;align-items:baseline;justify-content:space-between;gap:14px;margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid var(--line)}.rel-head h3{font-size:16px;letter-spacing:1px;color:var(--ink)}.rel-more{font-size:12.5px;color:var(--yk-red);text-decoration:none;white-space:nowrap}.rel-more:hover{text-decoration:underline}.rel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.rel-item{display:flex;flex-direction:column;gap:5px;padding:13px 15px;background:var(--yk-cream-soft);border:1px solid var(--line);border-radius:10px;color:inherit;text-decoration:none;transition:border-color .18s,transform .18s}.rel-item:hover{border-color:var(--yk-amber-light);transform:translateY(-2px)}.vol-bridge .rel-item .rel-vol{color:var(--yk-red);border:1px solid var(--yk-red-light);border-radius:999px;padding:1px 9px}.vol-bridge .rel-item em{color:var(--yk-red-dark)}.vb-note{font-size:12px;color:var(--ink-soft);white-space:nowrap}.vb-foot{margin-top:16px;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-soft)}.vb-foot a{color:var(--yk-red);text-decoration:none}.vb-foot a:hover{text-decoration:underline}.rel-item .rel-vol{align-self:flex-start;font-size:11px;letter-spacing:.08em;color:var(--yk-amber-dark)}.rel-item b{font-size:14px;font-weight:500;line-height:1.6;color:var(--ink)}.rel-item em{font-style:normal;font-size:12px;line-height:1.65;color:var(--ink-soft);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.rel-rank{list-style:none;margin:0;padding:0}.rel-rank li+li{border-top:1px dashed var(--line)}.rel-rank a{display:flex;align-items:baseline;gap:10px;padding:11px 0;color:inherit;text-decoration:none}.rel-rank .rk{flex-shrink:0;width:20px;font-family:var(--yk-font-mono);font-size:13px;color:var(--yk-amber-light)}.rel-rank b{flex:1;min-width:0;font-size:14px;font-weight:500;line-height:1.6;color:var(--ink)}.rel-rank .meta{flex-shrink:0;font-size:11.5px;color:var(--ink-soft)}.rel-rank a:hover b{color:var(--yk-red)}.rel-topics{margin-top:24px;text-align:center;font-size:13px;color:var(--ink-soft)}.rel-topics a{margin-left:12px;padding:3px 12px;border-radius:999px;border:1px solid var(--line);color:var(--yk-red);text-decoration:none}.rel-topics a:hover{border-color:var(--yk-red)}.rel-why{margin:-6px 0 14px;font-size:12px;letter-spacing:.04em;color:var(--ink-soft)}.rel-cta{text-align:center;padding:30px 30px 26px}.rel-cta h3{font-size:17px;letter-spacing:2px;margin-bottom:12px}.rel-cta p{max-width:560px;margin:0 auto 20px;font-size:13.5px;line-height:1.9;color:var(--ink-soft);text-align:left}.rel-cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.rel-cta .rel-topics{margin-top:22px}.art-nav{max-width:780px;margin:26px auto 0}.art-nav-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}.art-nav-cell{display:flex;flex-direction:column;gap:6px;min-height:96px;padding:15px 18px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);color:inherit;text-decoration:none;transition:border-color .18s,transform .18s}a.art-nav-cell:hover{border-color:var(--yk-red);transform:translateY(-2px)}.art-nav-cell.next{text-align:right;align-items:flex-end}.art-nav-cell .lbl{font-size:12px;letter-spacing:.08em;color:var(--yk-red)}.art-nav-cell b{font-size:14.5px;font-weight:500;line-height:1.65;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.art-nav-cell em{font-style:normal;font-size:11.5px;letter-spacing:.06em;color:var(--ink-soft)}.art-nav-cell.is-empty{justify-content:center;background:transparent;border-style:dashed;color:var(--ink-soft)}.art-nav-cell.is-empty .lbl{color:var(--ink-soft)}.art-nav-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;font-size:12.5px;color:var(--ink-soft)}.art-nav-foot a{color:var(--yk-red);white-space:nowrap}.art-nav-foot a:hover{text-decoration:underline}@media (max-width: 720px){.rel-block{padding:20px 18px;margin-top:20px}.rel-grid{grid-template-columns:1fr}.rel-head{flex-direction:column;align-items:flex-start;gap:6px}.rel-cta{padding:24px 18px 22px}.art-nav-pair{grid-template-columns:1fr}.art-nav-cell.next{text-align:left;align-items:flex-start}.art-nav-cell{min-height:0}.topic-editor{padding:16px}.topic-card{padding:18px 18px 16px}}.path-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px}.path-card{display:flex;flex-direction:column;padding:24px 24px 20px;background:var(--paper);border:1px solid var(--line);border-top:4px solid var(--yk-red);border-radius:var(--radius);color:inherit;text-decoration:none;transition:transform .2s,box-shadow .2s,border-color .2s}.path-card:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(44,44,44,.09);border-color:var(--yk-amber-light);border-top-color:var(--yk-amber)}.path-card-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.path-card .path-no{font-family:var(--yk-font-mono);font-size:11.5px;letter-spacing:.16em;color:var(--yk-amber-dark)}.path-card-meta{font-size:11.5px;color:var(--ink-soft)}.path-card h3{margin:8px 0 2px;font-size:21px;letter-spacing:1.5px;color:var(--ink)}.path-card .path-en{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft)}.path-card-desc{margin-top:12px;font-size:13.5px;line-height:1.8;color:var(--ink-soft)}.path-card-stages{list-style:none;margin:16px 0 0;padding:14px 0 0;border-top:1px dashed var(--line);display:grid;gap:8px}.path-card-stages li{display:flex;align-items:center;gap:10px;font-size:13px}.path-card-stages .i{flex-shrink:0;width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--yk-cream-soft);color:var(--yk-amber-dark);font-size:11px;font-family:var(--yk-font-mono)}.path-card-stages b{font-weight:500;color:var(--ink)}.path-card-stages em{font-style:normal;font-size:11.5px;color:var(--ink-soft);margin-left:auto}.path-card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:18px;font-size:12.5px}.path-card-prog{color:var(--ink-soft)}.path-card-go{color:var(--yk-red)}.path-card-bar{margin-top:10px;height:4px;border-radius:999px;background:var(--yk-gray-bg);overflow:hidden}.path-card-bar i{display:block;height:100%;background:var(--yk-red);border-radius:999px}.lib-paths{margin-bottom:40px}.lib-path-row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.lib-path{display:flex;flex-direction:column;gap:4px;padding:18px 20px;background:linear-gradient(180deg,#FDF7F4 0%,var(--paper) 70%);border:1px solid var(--line);border-left:4px solid var(--yk-red);border-radius:var(--radius);color:inherit;text-decoration:none;transition:transform .2s,box-shadow .2s}.lib-path:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(44,44,44,.08)}.lib-path .no{font-family:var(--yk-font-mono);font-size:11px;letter-spacing:.14em;color:var(--yk-amber-dark)}.lib-path b{font-size:16.5px;letter-spacing:1px;color:var(--ink)}.lib-path em{font-style:normal;font-size:12px;color:var(--ink-soft)}.lib-path .prog{margin-top:8px;font-size:12.5px;color:var(--yk-red)}.path-guide{display:grid;grid-template-columns:1fr 300px;gap:28px;max-width:980px;margin:0 auto 44px;padding:26px 30px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius)}.path-guide-tag{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--yk-cream-soft);color:var(--yk-amber-dark);font-size:11.5px;letter-spacing:.14em}.path-guide h2{margin:12px 0;font-size:20px;letter-spacing:1px;color:var(--ink)}.path-guide-aud{font-size:13.5px;line-height:1.85;color:var(--ink-soft)}.path-guide-aud b{color:var(--ink);font-weight:500}.path-guide-rules{margin:14px 0 0;padding-left:18px;display:grid;gap:6px}.path-guide-rules li{font-size:13px;line-height:1.75;color:var(--ink-soft)}.path-guide-act{display:flex;flex-direction:column;justify-content:center;gap:10px;padding:20px 20px 18px;background:var(--yk-cream-soft);border-radius:10px}.path-guide-prog{display:flex;align-items:baseline;gap:6px}.path-guide-prog .n{font-size:30px;font-weight:600;color:var(--yk-red);line-height:1}.path-guide-prog .n em{font-style:normal;font-size:15px;font-weight:400;color:var(--ink-soft)}.path-guide-prog .t{font-size:12.5px;color:var(--ink-soft)}.path-guide-bar{height:5px;border-radius:999px;background:#e6ded2;overflow:hidden}.path-guide-bar i{display:block;height:100%;background:var(--yk-red);border-radius:999px;transition:width .3s}.path-guide-btn{display:flex;flex-direction:column;align-items:flex-start;gap:4px;margin-top:4px;padding:12px 16px;height:auto;text-align:left;line-height:1.4}.path-guide-btn .t{font-size:12px;font-weight:400;opacity:.9;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.path-guide-reset{font-size:12px;color:var(--ink-soft);text-align:center}.path-guide-reset:hover{color:var(--yk-red)}.path-stage{max-width:980px;margin:0 auto 40px}.path-stage-head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}.path-stage-head .no{font-family:var(--yk-font-mono);font-size:11.5px;letter-spacing:.16em;color:var(--yk-amber-dark)}.path-stage-head h3{font-size:21px;letter-spacing:2px;color:var(--ink)}.path-stage-head h3 em{display:block;margin-top:4px;font-style:normal;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft)}.path-stage-head .cnt{margin-left:auto;font-size:12.5px;color:var(--ink-soft);white-space:nowrap}.path-stage-goal{margin:12px 0 20px;padding:12px 16px;font-size:13.5px;line-height:1.8;color:var(--ink-soft);background:var(--yk-cream-soft);border-left:3px solid var(--yk-amber);border-radius:0 8px 8px 0}.path-stations{display:grid;gap:12px}.path-station{display:flex;align-items:flex-start;gap:16px;padding:18px 20px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);color:inherit;text-decoration:none;transition:border-color .18s,transform .18s,background .18s}.path-station:hover{border-color:var(--yk-red);transform:translateY(-2px)}.path-station.is-read{background:#fbfdf9;border-color:#d9e4d6}.path-order{flex-shrink:0;font-family:var(--yk-font-mono);font-size:20px;line-height:1;color:var(--yk-gray-border);padding-top:2px}.path-station:hover .path-order{color:var(--yk-red)}.path-station.is-read .path-order{color:var(--yk-green)}.path-station-main{flex:1;min-width:0}.path-station-meta{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--ink-soft)}.path-station-meta .dot{width:7px;height:7px;border-radius:50%;border:1px solid var(--yk-gray-border);background:transparent}.path-station-meta .dot.on{background:var(--yk-green);border-color:var(--yk-green)}.path-station-meta .read{color:var(--yk-green)}.path-station-main h4{margin:6px 0;font-size:16px;font-weight:500;line-height:1.6;color:var(--ink)}.path-station-note{font-size:13px;line-height:1.75;color:var(--yk-amber-dark)}.path-station-intro{margin-top:6px;font-size:12.5px;line-height:1.7;color:var(--ink-soft);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.path-station-go{flex-shrink:0;align-self:center;font-size:12.5px;color:var(--yk-red);white-space:nowrap}.path-stage-next{margin-top:16px;text-align:center;font-size:12.5px;color:var(--ink-soft);letter-spacing:.06em}.path-reward{max-width:980px;margin:8px auto 0;padding:26px 30px;background:var(--paper);border:1px dashed var(--line);border-radius:var(--radius)}.path-reward.is-done{border-style:solid;border-color:var(--yk-amber-light);background:linear-gradient(180deg,#FFFBF6 0%,var(--paper) 70%)}.path-reward-main{display:flex;gap:22px;align-items:flex-start}.path-badge{flex-shrink:0;width:62px;height:62px;color:var(--yk-red)}.path-badge.is-locked{color:var(--yk-gray-border)}.path-reward-body{flex:1;min-width:0}.path-reward-tag{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--yk-cream-soft);color:var(--yk-amber-dark);font-size:11.5px;letter-spacing:.12em}.path-reward h3{margin:10px 0 8px;font-size:19px;letter-spacing:1px;color:var(--ink)}.path-reward-body>p{font-size:13.5px;line-height:1.85;color:var(--ink-soft)}.path-reward-bar{margin:16px 0 8px;height:5px;border-radius:999px;background:var(--yk-gray-bg);overflow:hidden}.path-reward-bar i{display:block;height:100%;background:var(--yk-red);border-radius:999px}.path-reward-num{font-size:12.5px;color:var(--ink-soft)}.path-reward-num a{color:var(--yk-red)}.path-reward-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px}.path-reward-claimed{font-size:12.5px;color:var(--yk-green)}.path-reward-claim{display:flex;gap:18px;align-items:flex-start;margin-top:16px;padding:16px;background:#f7fcf7;border:1px solid #C6E5C6;border-radius:10px}.path-reward-claim img{flex-shrink:0;width:118px;height:auto;border:1px solid var(--line);border-radius:8px;background:#fff}.path-reward-claim strong{display:block;font-size:14px;color:var(--ink)}.path-reward-claim p{margin-top:6px;font-size:12.5px;line-height:1.7;color:var(--ink-soft)}.path-reward-claim b{color:var(--yk-red)}.path-reward-note{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:12.5px;line-height:1.8;color:var(--ink-soft)}.path-navs{max-width:780px;margin:26px auto 0;display:grid;gap:14px}.path-nav{padding:18px 20px 16px;background:linear-gradient(180deg,#FDF7F4 0%,var(--paper) 72%);border:1px solid var(--line);border-left:4px solid var(--yk-red);border-radius:var(--radius)}.path-nav-head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.path-nav .pn-tag{font-family:var(--yk-font-mono);font-size:11px;letter-spacing:.14em;color:var(--yk-amber-dark)}.path-nav .pn-name{font-size:14.5px;font-weight:500;color:var(--ink);text-decoration:none}.path-nav .pn-name:hover{color:var(--yk-red)}.path-nav .pn-count{margin-left:auto;font-size:12px;color:var(--ink-soft);white-space:nowrap}.path-nav-bar{margin:12px 0 6px;height:4px;border-radius:999px;background:var(--yk-gray-bg);overflow:hidden}.path-nav-bar i{display:block;height:100%;background:var(--yk-red);border-radius:999px}.path-nav-meta{display:flex;justify-content:space-between;gap:10px;font-size:11.5px;color:var(--ink-soft)}.path-nav-next{display:flex;flex-direction:column;gap:5px;margin-top:14px;padding:14px 16px;background:var(--paper);border:1px solid var(--line);border-radius:10px;color:inherit;text-decoration:none;transition:border-color .18s,transform .18s}.path-nav-next:hover{border-color:var(--yk-red);transform:translateY(-2px)}.path-nav-next .lbl{font-size:11.5px;letter-spacing:.08em;color:var(--yk-red)}.path-nav-next b{font-size:14.5px;font-weight:500;line-height:1.6;color:var(--ink)}.path-nav-next em{font-style:normal;font-size:12.5px;line-height:1.7;color:var(--ink-soft)}.path-nav-next .go{align-self:flex-end;font-size:12.5px;color:var(--yk-red)}.path-nav-next.is-finish{background:linear-gradient(180deg,#FFFBF6 0%,var(--paper) 70%)}@media (max-width: 860px){.path-guide{grid-template-columns:1fr;gap:20px;padding:22px 20px}.path-guide-act{order:-1}.path-grid,.lib-path-row{grid-template-columns:1fr}}@media (max-width: 720px){.path-card{padding:20px 18px 18px}.path-station{padding:15px;gap:12px}.path-order{font-size:17px}.path-station-go{display:none}.path-reward{padding:20px 18px}.path-reward-main{flex-direction:column;gap:14px}.path-reward-claim{flex-direction:column}.path-reward-claim img{width:150px}.path-reward-actions .btn{flex:1 1 100%;text-align:center}.path-nav{padding:16px 16px 14px}}