/* roulang page: index */
:root{--plum:#6B2D5B;--plum-press:#4E1E42;--apricot:#E8A87C;--ink:#1C1917;--muted:#5C564E;--paper:#F6F1E8;--band:#EFE7DA;--line:#DDD2C3;--pine:#3F6F5B;--card:#FBF8F3;--radius:10px;--shadow:0 8px 24px rgba(28,25,23,.06);--header:64px;--read:760px;--page:1120px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans SC","PingFang SC",sans-serif;font-size:16px;line-height:1.85;color:var(--ink);background:var(--paper);text-rendering:optimizeLegibility}
body.is-locked{overflow:hidden}
img,svg{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:16px;color:inherit}
button{cursor:pointer}
h1,h2,h3,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--plum);text-decoration:none}
a:hover{text-decoration:underline}
:focus{outline:none}
:focus-visible{outline:2px solid var(--apricot);outline-offset:2px}
::selection{background:var(--apricot);color:var(--ink)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:min(var(--page),calc(100% - 40px));margin-inline:auto}
.skip{position:absolute;left:12px;top:-40px;background:var(--plum);color:#fff;padding:8px 12px;border-radius:var(--radius);z-index:80}
.skip:focus{top:12px}
.site-header{position:sticky;top:0;z-index:40;height:var(--header);background:rgba(246,241,232,.92);border-top:3px solid var(--plum);border-bottom:1px solid var(--line);backdrop-filter:saturate(1.1) blur(10px)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;flex-direction:column;justify-content:center;min-width:0;color:var(--ink);text-decoration:none}
.logo:hover{text-decoration:none;color:var(--plum)}
.logo-kicker{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--plum);line-height:1.2}
.logo-name{font-family:"Noto Serif SC",serif;font-weight:700;font-size:16px;line-height:1.25;white-space:normal}
.nav-links{display:flex;align-items:center;gap:4px;min-width:0}
.nav-links a{position:relative;display:flex;align-items:center;height:var(--header);padding:0 12px;color:var(--ink);font-size:15px;font-weight:500;text-decoration:none}
.nav-links a:hover{color:var(--plum);text-decoration:none}
.nav-links a[aria-current="page"]::after,.nav-links a.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;background:var(--plum)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:2px 10px;font-size:12px;font-weight:600;letter-spacing:.08em;line-height:1.6;border:1px solid transparent}
.badge-age{background:var(--plum);color:#fff}
.badge-soft{background:transparent;color:var(--plum);border-color:var(--line)}
.badge-pine{background:rgba(63,111,91,.12);color:var(--pine);border-color:transparent}
.badge-ink{background:transparent;color:var(--ink);border-color:var(--line)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 16px;border-radius:var(--radius);border:1px solid transparent;font-weight:600;line-height:1.2;text-decoration:none;transition:background .16s ease,color .16s ease,transform .16s ease,box-shadow .16s ease,border-color .16s ease}
.btn:hover{text-decoration:none}
.btn-solid{background:var(--plum);color:#fff}
.btn-solid:hover{background:var(--plum-press);color:#fff;transform:translateY(-1px)}
.btn-solid:active{background:var(--plum-press);transform:translateY(0)}
.btn-ghost{background:var(--paper);color:var(--plum);border-color:var(--plum)}
.btn-ghost:hover{background:rgba(232,168,124,.28);color:var(--plum-press);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn:focus-visible,.menu-btn:focus-visible,.faq-q:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:none;box-shadow:0 0 0 2px var(--paper),0 0 0 4px var(--apricot)}
.menu-btn{display:none;width:44px;height:44px;border-radius:var(--radius);border:1px solid var(--line);background:var(--paper);align-items:center;justify-content:center}
.menu-btn span,.menu-btn span::before,.menu-btn span::after{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0}
.menu-btn span::before{top:-6px}
.menu-btn span::after{top:6px}
.drawer{position:fixed;inset:0;z-index:60;background:rgba(246,241,232,.98);padding:22px 22px 40px;overflow:auto;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-8px);transition:opacity .2s ease,transform .2s ease,visibility .2s}
.drawer.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.drawer-title{font-family:"Noto Serif SC",serif;font-size:22px}
.drawer a.drawer-link{display:block;padding:14px 0;border-bottom:1px solid var(--line);color:var(--ink);font-family:"Noto Serif SC",serif;font-size:22px;line-height:1.45;text-decoration:none}
.drawer a.drawer-link:hover{color:var(--plum);text-decoration:underline}
.drawer-tools{display:flex;align-items:center;gap:12px;margin-top:22px}
.section{padding:72px 0}
.section-band{background:var(--band)}
.kicker{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--plum);margin-bottom:10px}
.hero-grid{display:grid;grid-template-columns:minmax(0,760px) minmax(260px,1fr);gap:36px;align-items:start}
.hero{position:relative;background:radial-gradient(circle at 92% 0%,rgba(232,168,124,.34),transparent 26%),radial-gradient(circle at 0% 100%,rgba(107,45,91,.08),transparent 28%),var(--paper)}
h1{font-family:"Noto Serif SC",serif;font-size:40px;line-height:1.25;font-weight:700;color:var(--ink)}
h2{font-family:"Noto Serif SC",serif;font-size:28px;line-height:1.35;font-weight:700}
h3{font-family:"Noto Serif SC",serif;font-size:18px;line-height:1.45;font-weight:700}
.lede{margin-top:14px;font-size:18px;line-height:1.7;max-width:var(--read)}
.intro{margin-top:.75em;max-width:var(--read);color:var(--ink)}
.intro+.intro,.section-desc p+p{margin-top:.75em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.metric-board{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}
.metric-board .board-label{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--plum);margin-bottom:12px}
.metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.metric{border:1px solid var(--line);border-radius:var(--radius);padding:14px 12px 12px;background:var(--paper);min-height:108px}
.metric-num{font-family:"Noto Serif SC",serif;font-size:36px;line-height:1;color:var(--plum)}
.metric-unit{margin-left:4px;font-size:13px;color:var(--muted)}
.metric-label{display:block;margin-top:8px;color:var(--ink);font-size:14px}
.section-head{max-width:var(--read);margin-bottom:28px}
.section-desc{margin-top:12px;max-width:var(--read)}
.matrix{display:grid;grid-template-columns:1.3fr 1fr 1fr;grid-template-areas:"a b b" "a c d" "e e f";gap:16px}
.m1{grid-area:a}.m2{grid-area:b}.m3{grid-area:c}.m4{grid-area:d}.m5{grid-area:e}.m6{grid-area:f}
.matrix-card{display:flex;flex-direction:column;gap:10px;min-height:180px;padding:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);color:var(--ink);text-decoration:none;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}
.matrix-card:hover{text-decoration:none;transform:translateY(-1px);border-color:var(--apricot);box-shadow:var(--shadow)}
.matrix-card:active{transform:translateY(0)}
.m1{min-height:100%;background:linear-gradient(180deg,rgba(107,45,91,.08),transparent 42%),var(--card)}
.m5{flex-direction:row;align-items:center;gap:18px}
.m5 .card-copy{flex:1}
.strip{height:8px;width:72px;border-radius:999px;background:linear-gradient(90deg,var(--plum),var(--apricot))}
.more{margin-top:auto;color:var(--plum);font-weight:600}
.matrix-card p,.scene p,.editor p,.note p,.guard-item p{color:var(--ink)}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.compare-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}
.compare-card.left{border-top:4px solid var(--plum)}
.compare-card.right{border-top:4px solid var(--apricot)}
.compare-card h3{margin-bottom:8px}
.compare li{position:relative;padding:8px 0 8px 16px;border-bottom:1px solid var(--line)}
.compare li:last-child{border-bottom:0}
.compare li::before{content:"";width:6px;height:6px;border-radius:50%;position:absolute;left:0;top:1.05em;background:var(--plum)}
.compare-card.right li::before{background:var(--apricot)}
.timeline{display:flex;gap:14px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory}
.timeline::-webkit-scrollbar{height:8px}
.timeline::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
.node{min-width:240px;scroll-snap-align:start;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 16px 14px;box-shadow:var(--shadow)}
.node time{display:block;color:var(--plum);font-size:13px;font-weight:600}
.node h3{margin:6px 0}
.node a{font-weight:600}
.news-list{display:flex;flex-direction:column;gap:16px}
.news-item{display:grid;grid-template-columns:260px minmax(0,1fr) 120px;gap:18px;align-items:center;padding:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.news-item h3{margin:8px 0}
.news-item h3 a{color:var(--ink)}
.news-item h3 a:hover{color:var(--plum)}
.news-meta{display:flex;flex-direction:column;gap:4px;color:var(--muted);font-size:13px;line-height:1.6;text-align:right}
.cover{display:block;aspect-ratio:16/9;border-radius:var(--radius);position:relative;overflow:hidden}
.cover-a{background:repeating-linear-gradient(135deg,rgba(255,255,255,.18) 0 8px,transparent 8px 16px),linear-gradient(155deg,#6B2D5B,#A86B8D 58%,#E8A87C)}
.cover-b{background:radial-gradient(circle at 24% 30%,rgba(232,168,124,.9) 0 16%,transparent 17%),linear-gradient(200deg,#4E1E42,#6B2D5B 62%,#E7C7B4)}
.cover-c{background:repeating-linear-gradient(90deg,rgba(107,45,91,.16) 0 12px,transparent 12px 24px),linear-gradient(160deg,#E8A87C,#F6F1E8 40%,#6B2D5B)}
.cover-d{background:linear-gradient(135deg,transparent 40%,rgba(246,241,232,.4) 40% 46%,transparent 46%),linear-gradient(160deg,#6B2D5B,#8C5A66 50%,#E8A87C)}
.cover-e{background:repeating-linear-gradient(45deg,rgba(28,25,23,.08) 0 2px,transparent 2px 7px),linear-gradient(180deg,#4E1E42,#E8A87C)}
.cover-f{background:radial-gradient(circle at 80% 80%,#E8A87C 0 22%,transparent 23%),linear-gradient(120deg,#F6F1E8,#6B2D5B)}
.more-wrap{margin-top:18px}
.guard{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.guard-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.seal{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--plum);color:#fff;font-family:"Noto Serif SC",serif;font-size:14px;margin-bottom:10px}
.qa{display:flex;flex-direction:column;gap:12px;max-width:var(--read)}
.qa-item{padding:14px 16px;border-left:3px solid var(--plum);background:var(--card);border-radius:0 var(--radius) var(--radius) 0}
.qa-item h3{font-size:18px}
.qa-item p{margin-top:6px}
.faq{max-width:var(--read);display:flex;flex-direction:column;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;text-align:left;background:transparent;border:0;padding:16px 4px;display:flex;justify-content:space-between;gap:16px;font-family:"Noto Serif SC",serif;font-size:18px;line-height:1.45;font-weight:700}
.faq-q span[aria-hidden]{color:var(--plum);font-family:"Noto Sans SC",sans-serif}
.faq-panel{padding:0 4px 16px}
.faq-panel[hidden]{display:none}
.form-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,460px);gap:32px;align-items:start}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.field{margin-bottom:14px}
.field label{display:block;font-weight:600;margin-bottom:6px}
.req{color:var(--plum);margin-left:4px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:12px 14px;line-height:1.5}
.field textarea{min-height:120px;resize:vertical}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--plum) 50%),linear-gradient(135deg,var(--plum) 50%,transparent 50%);background-position:calc(100% - 18px) 55%,calc(100% - 12px) 55%;background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:36px}
.field.is-invalid input,.field.is-invalid select,.field.is-invalid textarea{border-color:var(--plum-press)}
.error{color:var(--plum-press);font-size:13px;line-height:1.6;margin-top:6px}
.hint{color:var(--muted);font-size:13px;line-height:1.6;margin-top:8px}
.ok-box{padding:18px;border-radius:var(--radius);border:1px solid rgba(63,111,91,.35);background:rgba(63,111,91,.08)}
.ok-box strong{color:var(--pine);font-family:"Noto Serif SC",serif;font-size:20px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.scenes{display:grid;grid-template-columns:1.4fr .95fr .75fr;gap:14px}
.scene{display:flex;flex-direction:column;gap:8px;min-height:220px;padding:18px;border-radius:var(--radius);border:1px solid var(--line);color:var(--ink);text-decoration:none;box-shadow:var(--shadow)}
.scene:hover{text-decoration:none;transform:translateY(-1px);border-color:var(--apricot)}
.scene-lg{background:linear-gradient(160deg,rgba(107,45,91,.12),var(--card) 48%)}
.scene-md{background:var(--card)}
.scene-sm{background:linear-gradient(180deg,rgba(232,168,124,.35),var(--card) 55%)}
.editors{display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:14px;align-items:stretch}
.editor{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.editor:nth-child(2){padding-top:28px;padding-bottom:28px}
.sign{font-family:"Noto Serif SC",serif;font-size:28px;line-height:1.2;color:var(--plum)}
.progress-list{display:flex;flex-direction:column;gap:12px}
.progress-item{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(180px,.8fr) auto;gap:14px;align-items:center;padding:14px 16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.progress-item a{color:var(--ink);font-family:"Noto Serif SC",serif;font-weight:700;font-size:18px;line-height:1.45}
.progress-item a:hover{color:var(--plum)}
.bar{height:8px;background:var(--band);border-radius:999px;overflow:hidden}
.bar > span{display:block;height:100%;background:var(--plum);border-radius:inherit}
.bar.pine > span{background:var(--pine)}
.bar-meta{color:var(--muted);font-size:13px;line-height:1.6}
.index-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:20px}
.tag-cloud,.index-groups{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tag{display:inline-flex;align-items:center;min-height:34px;padding:0 12px;border-radius:999px;border:1px solid var(--line);background:var(--paper);color:var(--plum);font-weight:600}
.tag:hover{border-color:var(--plum);background:#fff;text-decoration:none}
.index-groups h3{margin:14px 0 6px}
.index-groups a{display:inline-block;margin:4px 14px 4px 0}
.note-list{display:grid;grid-template-columns:1.15fr .9fr .95fr;gap:14px}
.note{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.note header{display:flex;justify-content:space-between;gap:8px;align-items:baseline;margin-bottom:8px}
.stars{color:var(--apricot);letter-spacing:.12em;font-size:14px}
.letter{max-width:var(--read)}
.letter-body{font-size:17px}
.letter-body::first-letter{font-family:"Noto Serif SC",serif;font-size:42px;float:left;line-height:.9;padding-right:8px;color:var(--plum)}
.letter .btn{margin-top:18px}
.site-footer{background:var(--ink);color:var(--paper);padding:48px 0 28px}
.site-footer a{color:var(--paper)}
.site-footer a:hover{color:var(--apricot)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.footer-name{font-family:"Noto Serif SC",serif;font-size:22px;line-height:1.35;color:#fff}
.footer-col h2{font-family:"Noto Sans SC",sans-serif;font-size:13px;letter-spacing:.08em;color:var(--apricot);margin-bottom:10px}
.footer-col a,.footer-col p{display:block;margin:6px 0;color:var(--paper);font-size:14px;line-height:1.7}
.copyright{margin-top:28px;padding-top:16px;border-top:1px solid rgba(246,241,232,.2);color:rgba(246,241,232,.86);font-size:13px}
@media (max-width:1024px){
.section{padding:56px 0}
h1{font-size:36px}
.news-item{grid-template-columns:220px minmax(0,1fr)}
.news-meta{grid-column:2;flex-direction:row;text-align:left;gap:12px}
.guard{grid-template-columns:1fr 1fr}
.footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
.nav-links,.header-actions{display:none}
.menu-btn{display:inline-flex}
.site-header{height:auto;min-height:var(--header)}
.header-inner{min-height:64px;padding:8px 0}
.logo-name{font-size:14px;max-width:calc(100vw - 96px)}
.hero-grid,.compare,.form-layout,.index-layout,.scenes,.editors,.note-list{grid-template-columns:1fr}
.matrix{grid-template-columns:1fr;grid-template-areas:"a" "b" "c" "d" "e" "f"}
.m5{flex-direction:column;align-items:flex-start}
.field-row{grid-template-columns:1fr}
.progress-item{grid-template-columns:1fr}
}
@media (max-width:640px){
.container{width:min(var(--page),calc(100% - 32px))}
.section{padding:40px 0}
h1{font-size:30px;line-height:1.3}
h2{font-size:24px}
.news-item{grid-template-columns:1fr}
.news-meta{grid-column:auto;text-align:left}
.guard{grid-template-columns:1fr}
.timeline{flex-direction:column;overflow:visible;border-left:2px solid var(--line);margin-left:8px;padding-left:14px}
.node{min-width:0}
.footer-grid{grid-template-columns:1fr}
.hero-actions .btn,.more-wrap .btn,.drawer-tools .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,*::before,*::after{transition:none!important}
}

/* roulang page: category1 */
:root{--plum:#6B2D5B;--plum-press:#4E1E42;--apricot:#E8A87C;--ink:#1C1917;--muted:#5C564E;--paper:#F6F1E8;--band:#EFE7DA;--line:#DDD2C3;--pine:#3F6F5B;--card:#FBF8F3;--radius:10px;--shadow:0 8px 24px rgba(28,25,23,.06);--header:64px;--read:760px;--page:1120px}
/* roulang page: category1 */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans SC","PingFang SC",sans-serif;font-size:16px;line-height:1.85;color:var(--ink);background:var(--paper);text-rendering:optimizeLegibility}
body.is-locked{overflow:hidden}
img,svg{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:16px;color:inherit}
button{cursor:pointer}
a{color:var(--plum);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,p{margin:0}
h1{font-family:"Noto Serif SC",serif;font-weight:700;font-size:40px;line-height:1.25}
h2{font-family:"Noto Serif SC",serif;font-weight:700;font-size:28px;line-height:1.35}
h3{font-family:"Noto Serif SC",serif;font-weight:700;font-size:18px;line-height:1.45}
::selection{background:rgba(232,168,124,.45);color:var(--ink)}
.skip{position:absolute;left:-999px;top:8px;z-index:80;background:var(--card);color:var(--plum);padding:8px 12px;border-radius:var(--radius)}
.skip:focus{left:12px}
.container{width:min(var(--page),calc(100% - 40px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:40;height:var(--header);background:rgba(246,241,232,.92);border-top:3px solid var(--plum);border-bottom:1px solid var(--line);backdrop-filter:saturate(1.1) blur(10px)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;flex-direction:column;justify-content:center;min-width:0;color:var(--ink);text-decoration:none}
.logo:hover{text-decoration:none;color:var(--plum)}
.logo-kicker{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--plum);line-height:1.2}
.logo-name{font-family:"Noto Serif SC",serif;font-weight:700;font-size:15px;line-height:1.25;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;min-width:0}
.nav-links a{position:relative;display:flex;align-items:center;height:var(--header);padding:0 12px;color:var(--ink);font-size:15px;font-weight:500;text-decoration:none}
.nav-links a:hover{color:var(--plum);text-decoration:none}
.nav-links a[aria-current="page"]::after,.nav-links a.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;background:var(--plum)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:2px 10px;font-size:12px;font-weight:600;letter-spacing:.08em;line-height:1.6;border:1px solid transparent}
.badge-age{background:var(--plum);color:#fff}
.badge-soft{background:transparent;color:var(--plum);border-color:var(--line)}
.badge-pine{background:rgba(63,111,91,.12);color:var(--pine);border-color:transparent}
.badge-ink{background:transparent;color:var(--ink);border-color:var(--line)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 16px;border-radius:var(--radius);border:1px solid transparent;font-weight:600;line-height:1.2;text-decoration:none;transition:background .16s ease,color .16s ease,transform .16s ease,box-shadow .16s ease,border-color .16s ease}
.btn:hover{text-decoration:none}
.btn-solid{background:var(--plum);color:#fff}
.btn-solid:hover{background:var(--plum-press);color:#fff;transform:translateY(-1px)}
.btn-solid:active{background:var(--plum-press);transform:translateY(0)}
.btn-ghost{background:var(--paper);color:var(--plum);border-color:var(--plum)}
.btn-ghost:hover{background:rgba(232,168,124,.28);color:var(--plum-press);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn:focus-visible,.menu-btn:focus-visible,.chip:focus-visible,a:focus-visible{outline:none;box-shadow:0 0 0 2px var(--paper),0 0 0 4px var(--apricot)}
.menu-btn{display:none;width:44px;height:44px;border-radius:var(--radius);border:1px solid var(--line);background:var(--paper);align-items:center;justify-content:center}
.menu-btn span,.menu-btn span::before,.menu-btn span::after{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0}
.menu-btn span::before{top:-6px}
.menu-btn span::after{top:6px}
.drawer{position:fixed;inset:0;z-index:60;background:rgba(246,241,232,.98);padding:22px 22px 40px;overflow:auto;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-8px);transition:opacity .2s ease,transform .2s ease,visibility .2s}
.drawer.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.drawer-title{font-family:"Noto Serif SC",serif;font-size:22px;line-height:1.35}
.drawer a.drawer-link{display:block;padding:14px 0;border-bottom:1px solid var(--line);color:var(--ink);font-family:"Noto Serif SC",serif;font-size:22px;line-height:1.45;text-decoration:none}
.drawer a.drawer-link:hover{color:var(--plum);text-decoration:underline}
.drawer a.drawer-link[aria-current="page"]{color:var(--plum);box-shadow:inset 0 -2px 0 var(--plum)}
.drawer-tools{display:flex;align-items:center;gap:12px;margin-top:22px;flex-wrap:wrap}
.icon-btn{min-height:42px;padding:0 14px;border-radius:var(--radius);border:1px solid var(--line);background:var(--paper);color:var(--ink);font-weight:600}
.icon-btn:hover{border-color:var(--plum);color:var(--plum)}
.section{padding:72px 0}
.section-band{background:var(--band)}
.narrow{max-width:var(--read)}
.crumb{font-size:13px;line-height:1.6;color:var(--muted);margin-bottom:14px}
.crumb a{color:var(--plum);font-weight:600}
.lede{margin-top:14px;max-width:var(--read);color:var(--ink)}
.meta-line{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:16px;color:var(--muted);font-size:13px;line-height:1.6}
.meta-line span{position:relative}
.section-head{max-width:var(--read);margin-bottom:28px}
.section-desc{margin-top:12px;max-width:var(--read)}
.stack p+p{margin-top:.75em}
.kicker{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--plum);line-height:1.6}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.chip{min-height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--plum);background:var(--paper);color:var(--plum);font-weight:600;font-size:14px;transition:background .16s ease,color .16s ease,transform .16s ease}
.chip:hover{background:rgba(232,168,124,.28);transform:translateY(-1px)}
.chip:active{transform:translateY(0)}
.chip.is-on{background:var(--plum);color:#fff}
.chip.is-on:hover{background:var(--plum-press);color:#fff}
.feed{display:flex;flex-direction:column;gap:16px}
.piece{display:grid;grid-template-columns:260px minmax(0,1fr);gap:18px;align-items:center;padding:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}
.piece:hover{transform:translateY(-1px);border-color:var(--apricot)}
.piece[hidden]{display:none !important}
.cover{position:relative;aspect-ratio:16/9;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,var(--plum),var(--apricot))}
.cover svg{width:100%;height:100%;object-fit:cover}
.cover::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(28,25,23,.22) .6px,transparent .7px);background-size:3px 3px;opacity:.4;pointer-events:none}
.piece-body{min-width:0;display:flex;flex-direction:column;gap:8px;padding-right:8px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.piece h3 a{color:var(--ink)}
.piece h3 a:hover{color:var(--plum)}
.summary{color:var(--ink)}
.piece-meta{display:flex;flex-wrap:wrap;gap:8px 16px;color:var(--muted);font-size:13px;line-height:1.6}
.more-row{margin-top:22px}
.guide{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(220px,.72fr);gap:22px;align-items:center;padding:22px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.guide-copy{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.guide .cover{aspect-ratio:3/2}
.extend-list{display:flex;flex-direction:column;max-width:var(--read);border-top:1px solid var(--line)}
.extend-list a{display:flex;justify-content:space-between;gap:16px;align-items:baseline;padding:16px 0;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none;font-weight:600}
.extend-list a:hover{color:var(--plum);text-decoration:underline}
.extend-list small{color:var(--muted);font-weight:500;font-size:13px;white-space:nowrap}
.quote{margin:0;max-width:var(--read);padding:6px 8px 6px 20px;border-left:4px solid var(--plum)}
.quote p{font-family:"Noto Serif SC",serif;font-size:22px;line-height:1.7}
.quote footer{margin-top:14px;color:var(--muted);font-size:13px;line-height:1.6}
.notice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.notice-item{padding:18px 18px 20px;background:var(--card);border:1px solid var(--line);border-top:4px solid var(--plum);border-radius:var(--radius);box-shadow:var(--shadow)}
.notice-item:nth-child(2){border-top-color:var(--apricot)}
.notice-item:nth-child(3){border-top-color:var(--pine)}
.notice-item h3{margin-bottom:8px}
.notice-ico{width:36px;height:36px;margin-bottom:12px;color:var(--plum)}
.back-bar{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}
.back-actions{display:flex;flex-wrap:wrap;gap:12px}
.site-footer{background:var(--ink);color:var(--paper);padding:56px 0 28px}
.site-footer a{color:var(--paper);text-decoration:none}
.site-footer a:hover{color:var(--apricot);text-decoration:underline}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr 1fr;gap:28px}
.footer-name{font-family:"Noto Serif SC",serif;font-size:20px;font-weight:700;line-height:1.45;margin:0 0 10px}
.footer-col h2{font-family:"Noto Serif SC",serif;font-size:16px;line-height:1.45;margin:0 0 12px}
.footer-col a,.footer-col p{display:block;margin:0 0 8px;color:var(--paper);font-size:14px;line-height:1.7}
.copyright{margin:28px auto 0;padding-top:16px;border-top:1px solid rgba(246,241,232,.2);color:var(--paper);font-size:13px;line-height:1.6}
@media (max-width:1024px){
  .section{padding:56px 0}
  .nav-links a{padding:0 8px;font-size:14px}
  .logo-name{font-size:14px}
  .guide{grid-template-columns:1fr}
  .notice-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:22px}
}
@media (max-width:768px){
  .nav-links,.header-actions .badge-age,.header-actions .btn{display:none}
  .menu-btn{display:inline-flex}
  .section{padding:40px 0}
  .piece{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  h1{font-size:30px;line-height:1.3}
  h2{font-size:24px}
  .quote p{font-size:18px}
}
@media (max-width:640px){
  .container{width:min(var(--page),calc(100% - 28px))}
  .back-bar{align-items:flex-start}
  .extend-list a{flex-direction:column;gap:4px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none !important}
}