/* roulang page: index */
:root{--paper:#F4F7F8;--card:#FFFFFF;--ink:#1C3144;--primary:#2C6A86;--primary-deep:#1E5368;--secondary:#3E5163;--accent:#C46B4A;--accent-deep:#A45436;--line:#D7E1E7;--muted:#5E7080;--wash:#E7EEF2;--radius:12px;--shadow:0 8px 24px rgba(28,49,68,.08);--shadow-hover:0 12px 28px rgba(28,49,68,.12);--serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;--sans:"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.75;text-rendering:optimizeLegibility}
img,svg{max-width:100%;display:block;border:0}
button,input,textarea{font-family:inherit;font-size:16px;color:var(--ink)}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-deep)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
::selection{background:var(--accent);color:#fff}
.grid-container{width:min(1160px,calc(100% - 40px));margin:0 auto}
.masthead{background:var(--secondary);color:#F4F7F8;font-size:13px;letter-spacing:.04em}
.masthead-inner{display:flex;justify-content:space-between;gap:16px;min-height:34px;align-items:center}
.nav-wrap{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.nav-inner{display:flex;align-items:center;gap:22px;min-height:72px}
.logo{font-family:var(--serif);font-weight:700;font-size:16px;line-height:1.3;color:var(--ink);white-space:nowrap;flex:0 0 auto}
.logo:hover{color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:18px;flex:1}
.nav-group{display:flex;align-items:center;gap:14px}
.nav-kicker{color:var(--muted);font-size:12px;letter-spacing:.12em}
.nav-group a{color:var(--ink);font-size:15px;padding:8px 0 6px;border-bottom:2px solid transparent}
.nav-group a:hover{color:var(--primary)}
.nav-group a.is-active{color:var(--primary);border-bottom-color:var(--accent)}
.nav-split{width:1px;height:28px;background:var(--line);display:inline-block}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.tool-link{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:0 12px;border:1px solid var(--line);border-radius:12px;color:var(--secondary);font-size:14px;background:#fff}
.tool-link:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.tool-link:active{transform:none}
.nav-toggle{display:none;margin-left:auto;min-width:64px;min-height:40px;border:1px solid var(--line);background:#fff;border-radius:12px;color:var(--ink)}
.hero{padding:42px 0 28px;background:var(--paper)}
.hero-slab{background:var(--primary);color:#fff;min-height:500px;padding:54px 72px 58px 42px;clip-path:polygon(0 0,100% 0,88% 100%,0 100%)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 18px;padding:4px 10px;border:1px solid rgba(255,255,255,.35);border-radius:999px;font-size:13px;letter-spacing:.06em}
.hero h1{margin:0;font-family:var(--serif);font-size:clamp(34px,4vw,52px);line-height:1.28;font-weight:700;color:#fff}
.hero-sub{margin:18px 0 0;font-size:18px;line-height:1.7;color:#fff}
.hero-lead{margin:16px 0 0;max-width:640px;color:rgba(255,255,255,.92);font-size:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:12px;border:1px solid transparent;font-size:15px;font-weight:500;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;cursor:pointer}
.btn-solid{background:var(--accent);color:#fff}
.btn-solid:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px)}
.btn-solid:active{transform:none}
.btn-line{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-line:hover{background:var(--primary);color:#fff;transform:translateY(-1px)}
.btn-line:active{transform:none}
.hero-slab .btn{margin-top:26px}
.search-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin-top:48px}
.search-card h2{margin:0 0 8px;font-family:var(--serif);font-size:26px}
.search-note{margin:0 0 16px;color:var(--muted);font-size:14px}
.search-form{display:flex;gap:8px}
.search-form input{flex:1;min-width:0;height:46px;border:1px solid var(--line);border-radius:12px;padding:0 12px;background:#F8FBFC}
.search-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(44,106,134,.15)}
.guide-list{list-style:none;margin:18px 0 0;padding:0}
.guide-item{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-top:1px solid var(--line);color:var(--ink)}
.guide-item strong{display:block;font-weight:500}
.guide-item span{color:var(--muted);font-size:13px;white-space:nowrap}
.block{padding:76px 0}
.block-wash{background:var(--wash)}
.block-paper{background:var(--paper)}
.kicker{margin:0 0 8px;color:var(--accent);font-size:13px;letter-spacing:.14em}
.section-title{margin:0;font-family:var(--serif);font-size:clamp(28px,3vw,38px);line-height:1.35;font-weight:700}
.section-lead{margin:12px 0 0;color:var(--secondary);max-width:720px}
.ticker-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-end;margin-bottom:22px}
.ticker-window{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;border-radius:12px}
.ticker-track{display:flex;width:max-content;animation:ticker 42s linear infinite}
.tick{display:inline-flex;align-items:center;gap:10px;min-height:58px;padding:0 22px;color:var(--ink);border-right:1px solid var(--line);white-space:nowrap}
.tick em{font-style:normal;color:var(--accent);font-size:13px}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.mag-card,.info-card,.entry,.scene-row,.time-item,.pick-card,.cat-card,.review,.logo-pill,.faq-item,.cta-panel,.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.mag-card{overflow:hidden;height:100%;display:flex;flex-direction:column}
.mag-card:hover,.info-card:hover,.entry:hover,.pick-card:hover,.cat-card:hover,.review:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.media-block{position:relative;background:#E7EEF2;border-bottom:1px solid var(--line);min-height:148px;overflow:hidden}
.media-block.tall{aspect-ratio:16/9;min-height:0}
.media-block .bar{height:8px;background:var(--primary);margin:22px 18px 0;width:42%}
.media-block .bar.short{width:24%;background:var(--secondary)}
.media-block .label{position:absolute;left:18px;bottom:14px;font-family:var(--serif);color:var(--primary)}
.media-block .mark{position:absolute;right:0;top:0;width:42px;height:42px;background:var(--accent)}
.mag-body,.card-pad{padding:18px 18px 20px}
.badge{display:inline-flex;align-items:center;min-height:24px;padding:0 8px;border-radius:999px;background:rgba(196,107,74,.12);color:var(--accent-deep);font-size:12px;font-weight:700}
.mag-body h3,.card-pad h3,.entry h3,.pick-card h3,.cat-card h3{margin:10px 0 8px;font-family:var(--serif);font-size:22px;line-height:1.4}
.mag-body p,.card-pad p,.entry p,.pick-card p,.cat-card p,.review p,.side-card p{margin:0;color:var(--secondary);font-size:15px}
.text-link{display:inline-flex;margin-top:12px;color:var(--ink);border-bottom:1px solid var(--accent);line-height:1.4}
.text-link:hover{color:var(--accent-deep)}
.gap-row{margin-top:20px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:18px 16px 16px}
.stat b{display:block;font-family:var(--serif);font-size:36px;line-height:1.1;color:var(--primary)}
.stat span{display:block;margin-top:6px;color:var(--muted);font-size:14px}
.stat-note{margin:12px 0 0;color:var(--muted);font-size:13px}
.step-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.step{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:18px;min-height:180px}
.step i{display:inline-flex;width:32px;height:32px;align-items:center;justify-content:center;border-radius:50%;background:var(--primary);color:#fff;font-style:normal;font-size:14px}
.step h3{margin:12px 0 8px;font-family:var(--serif);font-size:20px}
.step p{margin:0;color:var(--secondary);font-size:15px}
.wall-side{display:grid;gap:14px}
.wall-mini{display:grid;grid-template-columns:92px 1fr;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:10px}
.wall-mini .media-block{min-height:72px;border:0;border-radius:8px}
.wall-mini h3{margin:0 0 4px;font-size:16px;font-family:var(--serif)}
.wall-mini p{margin:0;color:var(--secondary);font-size:13px;line-height:1.55}
.entry-list{display:flex;flex-direction:column;gap:12px}
.entry{display:grid;grid-template-columns:168px 1fr;gap:14px;padding:12px;align-items:center}
.entry:target{box-shadow:0 0 0 2px var(--accent)}
.entry-main{min-width:0}
.meta-line{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13px}
.more-row{display:flex;justify-content:flex-end;margin-top:14px}
.side-card{padding:20px}
.side-card h3{margin:8px 0;font-family:var(--serif);font-size:24px}
.scene-list{display:flex;flex-direction:column;gap:12px}
.scene-row{display:grid;grid-template-columns:120px 1fr auto;gap:16px;align-items:center;padding:16px 18px;color:inherit}
.scene-row:hover{color:inherit}
.scene-time{font-family:var(--serif);font-size:22px;color:var(--primary)}
.timeline{position:relative;margin:0;padding:0 0 0 22px;list-style:none}
.timeline::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:1px;background:var(--line)}
.time-item{position:relative;margin:0 0 14px;padding:16px 16px 16px 18px}
.time-item::before{content:"";position:absolute;left:-22px;top:22px;width:11px;height:11px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px #fff}
.time-item strong{display:block;color:var(--accent);font-size:13px}
.time-item h3{margin:4px 0 6px;font-family:var(--serif);font-size:22px}
.pick-rail{display:flex;gap:14px;overflow-x:auto;padding:6px 2px 16px;scroll-snap-type:x mandatory}
.pick-card{flex:0 0 280px;scroll-snap-align:start;padding:16px}
.pick-card h3{font-size:20px}
.search-panel{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:22px}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{display:inline-flex;align-items:center;min-height:34px;padding:0 12px;border-radius:999px;border:1px solid var(--line);color:var(--ink);background:var(--paper)}
.tag:hover{border-color:var(--accent);color:var(--accent-deep);background:#fff}
.cat-card{padding:22px;min-height:230px;display:flex;flex-direction:column}
.cat-card .btn{margin-top:auto;align-self:flex-start}
.review-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:14px}
.review-col{display:grid;gap:14px}
.review{padding:18px}
.stars{color:var(--accent);letter-spacing:2px;font-size:14px}
.review cite{display:block;margin-top:10px;color:var(--muted);font-style:normal;font-size:13px}
.logo-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.logo-pill{min-height:84px;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:22px;color:var(--secondary)}
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{padding:0 16px}
.faq-item summary{cursor:pointer;list-style:none;min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-family:var(--serif);font-size:18px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--accent);font-size:24px;line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-item p{margin:0 0 16px;color:var(--secondary)}
.assure{background:var(--ink);color:#F4F7F8;padding:18px 0}
.assure p{margin:0;font-size:15px}
.assure strong{color:#fff}
.cta-panel{padding:28px;display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
.note-form{display:grid;gap:10px}
.note-form label{font-size:14px;color:var(--secondary)}
.note-form input,.note-form textarea{width:100%;border:1px solid var(--line);border-radius:12px;background:#F8FBFC;padding:10px 12px}
.note-form textarea{min-height:88px;resize:vertical}
.form-status{min-height:1.4em;color:var(--primary);font-size:14px}
.cta-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.site-footer{background:#fff;border-top:1px solid var(--line);padding:42px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.4fr .8fr .9fr .9fr;gap:22px}
.site-footer h2,.site-footer h3{font-family:var(--serif);margin:0 0 10px;font-size:20px}
.site-footer p,.site-footer li{color:var(--secondary);font-size:14px}
.site-footer ul{margin:0;padding:0;list-style:none}
.site-footer li{margin:6px 0}
.site-footer a{color:var(--secondary)}
.site-footer a:hover{color:var(--primary)}
.copyline{margin-top:22px;padding-top:14px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
@media (max-width:1024px){
.nav-toggle{display:inline-flex;align-items:center;justify-content:center}
.main-nav,.nav-tools{display:none}
.nav-inner.is-open{align-items:flex-start;padding:12px 0 16px}
.nav-inner.is-open .main-nav,.nav-inner.is-open .nav-tools{display:flex;flex-direction:column;align-items:flex-start;width:100%;gap:8px}
.nav-inner.is-open .nav-split{width:100%;height:1px}
.hero-slab{clip-path:none;min-height:0;padding:32px 24px}
.search-card{margin-top:16px}
.stat-grid,.step-row{grid-template-columns:repeat(2,1fr)}
.entry{grid-template-columns:140px 1fr}
.review-grid,.cta-panel,.foot-grid{grid-template-columns:1fr 1fr}
.block{padding:58px 0}
}
@media (min-width:1025px){
.search-card{margin-left:-34px;position:relative;z-index:2}
}
@media (max-width:768px){
.grid-container{width:min(1160px,calc(100% - 28px))}
.ticker-head,.scene-row{display:block}
.scene-time{display:block;margin-bottom:6px}
.entry{grid-template-columns:1fr}
.logo-wall,.review-grid,.cta-panel,.foot-grid{grid-template-columns:1fr}
.wall-mini{grid-template-columns:78px 1fr}
.hero h1{font-size:34px}
}
@media (max-width:520px){
.logo{font-size:13px}
.masthead-inner{flex-direction:column;align-items:flex-start;padding:6px 0}
.stat-grid,.step-row{grid-template-columns:1fr}
.search-form{flex-direction:column}
.hero-slab{padding:26px 16px}
.block{padding:42px 0}
.section-title{font-size:28px}
.pick-card{flex-basis:82%}
}
@media (prefers-reduced-motion:reduce){
.ticker-track{animation:none}
html{scroll-behavior:auto}
.mag-card,.btn,.tool-link{transition:none}
}

/* roulang page: category2 */
:root{--paper:#F4F7F8;--card:#FFFFFF;--ink:#1C3144;--primary:#2C6A86;--primary-deep:#1E5368;--secondary:#3E5163;--accent:#C46B4A;--accent-deep:#A45436;--line:#D7E1E7;--muted:#5E7080;--wash:#E7EEF2;--radius:12px;--shadow:0 8px 24px rgba(28,49,68,.08);--shadow-hover:0 12px 28px rgba(28,49,68,.12);--serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;--sans:"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.75;text-rendering:optimizeLegibility}
img,svg{max-width:100%;display:block;border:0}
button,input,textarea{font-family:inherit;font-size:16px;color:var(--ink)}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-deep)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
h1,h2,h3,h4{margin:0;color:var(--ink);font-family:var(--serif);font-weight:700;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.grid-container{width:min(1160px,calc(100% - 40px));margin:0 auto}
.masthead{background:var(--secondary);color:#F4F7F8;font-size:12px;letter-spacing:.04em}
.masthead-inner{display:flex;justify-content:space-between;align-items:center;min-height:34px;gap:12px}
.nav-wrap{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.nav-inner{display:flex;align-items:center;gap:22px;min-height:72px;position:relative}
.logo{font-family:var(--serif);font-weight:700;font-size:16px;line-height:1.3;color:var(--ink);white-space:nowrap;flex:0 0 auto}
.logo:hover{color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:18px;flex:1}
.nav-group{display:flex;align-items:center;gap:14px}
.nav-kicker{color:var(--muted);font-size:12px;letter-spacing:.12em}
.nav-group a{color:var(--ink);font-size:15px;padding:8px 0 6px;border-bottom:2px solid transparent}
.nav-group a:hover{color:var(--primary)}
.nav-group a.is-active{color:var(--primary);border-bottom-color:var(--accent)}
.nav-split{width:1px;height:28px;background:var(--line);display:inline-block;flex:0 0 auto}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.tool-link{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:0 12px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);font-size:14px;transition:border-color .2s ease,color .2s ease,background .2s ease}
.tool-link:hover{border-color:var(--primary);color:var(--primary);background:var(--wash)}
.nav-toggle{display:none;margin-left:auto;min-width:64px;min-height:40px;border:1px solid var(--line);background:#fff;border-radius:12px;color:var(--ink);cursor:pointer}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}
.nav-toggle:active{background:var(--wash)}
.page-head{padding:28px 0 22px;background:var(--paper)}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0 0 14px;color:var(--muted);font-size:13px}
.crumb a{color:var(--secondary);border-bottom:1px solid transparent}
.crumb a:hover{color:var(--primary);border-bottom-color:var(--accent)}
.crumb .here{color:var(--ink)}
.page-kicker{display:inline-flex;align-items:center;min-height:26px;margin:0 0 12px;padding:0 10px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--accent-deep);font-size:12px;font-weight:700;letter-spacing:.06em}
.page-head h1{font-size:clamp(30px,4vw,44px);max-width:760px}
.page-lead{margin:14px 0 0;max-width:680px;color:var(--secondary);font-size:17px}
.head-side{margin-top:18px;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.head-side strong{display:block;font-family:var(--serif);font-size:18px;font-weight:700}
.head-side span{display:block;margin-top:6px;color:var(--muted);font-size:14px}
.band{padding:56px 0}
.band-paper{background:var(--paper)}
.band-wash{background:var(--wash)}
.section-title{font-size:clamp(26px,3vw,36px)}
.section-lead{margin:10px 0 0;max-width:680px;color:var(--secondary);font-size:16px}
.pin-card,.entry,.compare-card,.note-card,.tag-panel,.close-bar,.head-side{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.pin-card{overflow:hidden;height:100%;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.pin-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.media-block{position:relative;background:#E7EEF2;border-bottom:1px solid var(--line);min-height:168px;overflow:hidden}
.media-block.tall{aspect-ratio:16/9;min-height:0}
.media-block .bar{height:8px;background:var(--primary);margin:28px 22px 0;width:42%}
.media-block .bar.short{width:24%;background:var(--secondary);margin-top:12px}
.media-block .label{position:absolute;left:22px;bottom:16px;font-family:var(--serif);color:var(--primary);font-size:18px}
.media-block .mark{position:absolute;right:0;top:0;width:42px;height:42px;background:var(--accent)}
.card-pad{padding:18px 18px 20px}
.badge{display:inline-flex;align-items:center;min-height:24px;padding:0 8px;border-radius:999px;background:rgba(196,107,74,.12);color:var(--accent-deep);font-size:12px;font-weight:700}
.card-pad h2,.card-pad h3,.entry h3,.compare-card h3{margin:10px 0 8px;font-size:22px}
.card-pad p,.entry p,.compare-card p,.note-card p,.fact p{color:var(--secondary);font-size:15px}
.text-link{display:inline-flex;margin-top:12px;color:var(--ink);border-bottom:1px solid var(--accent);line-height:1.4}
.text-link:hover{color:var(--accent-deep)}
.fact-list{display:flex;flex-direction:column;gap:12px;height:100%}
.fact{padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.fact b{display:block;color:var(--muted);font-size:12px;font-weight:500;letter-spacing:.08em}
.fact strong{display:block;margin-top:4px;font-family:var(--serif);font-size:18px;font-weight:700;color:var(--ink)}
.chrono-head{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:18px}
.entry-list{display:flex;flex-direction:column;gap:12px}
.entry{display:grid;grid-template-columns:108px 1fr;gap:8px 18px;padding:16px 18px;transition:transform .2s ease,box-shadow .2s ease}
.entry:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.entry-date{display:flex;flex-direction:column;justify-content:center;padding-right:14px;border-right:1px solid var(--line)}
.entry-date time{font-family:var(--serif);font-size:24px;line-height:1.2;color:var(--primary)}
.entry-date span{color:var(--muted);font-size:12px}
.entry-main{min-width:0}
.meta-line{display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:var(--muted);font-size:13px}
.tag-panel{padding:22px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.tag-chip{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:14px;transition:border-color .2s ease,color .2s ease,transform .2s ease,background .2s ease}
.tag-chip:hover{border-color:var(--primary);color:var(--primary);background:#F8FBFC;transform:translateY(-1px)}
.tag-chip:active{transform:none}
.tag-chip:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.compare-card{padding:22px 22px 24px;height:100%}
.compare-card.alt{background:#F8FBFC;border-left:4px solid var(--accent)}
.compare-card .badge{margin-bottom:8px}
.note-card{padding:26px 28px;border-left:4px solid var(--primary)}
.note-card h2{font-size:28px}
.note-card p{margin-top:10px;max-width:760px}
.close-bar{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:22px 24px}
.close-bar h2{font-size:26px}
.close-bar p{margin-top:6px;color:var(--secondary);font-size:15px}
.close-actions{display:flex;flex-wrap:wrap;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:12px;border:1px solid transparent;font-size:15px;font-weight:500;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;cursor:pointer}
.btn-solid{background:var(--primary);color:#fff}
.btn-solid:hover{background:var(--primary-deep);color:#fff;transform:translateY(-1px)}
.btn-solid:active,.btn-line:active{transform:none}
.btn-line{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-line:hover{background:var(--primary);color:#fff;transform:translateY(-1px)}
.site-footer{background:#fff;border-top:1px solid var(--line);padding:42px 0 28px;color:var(--secondary)}
.foot-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr .9fr;gap:28px}
.foot-brand h2{font-size:22px;margin-bottom:10px}
.site-footer h3{margin:0 0 10px;font-family:var(--serif);font-size:18px;color:var(--ink)}
.site-footer p,.site-footer a{color:var(--secondary);font-size:14px}
.site-footer a:hover{color:var(--primary)}
.site-footer li{margin:6px 0}
.copyline{margin-top:26px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
@media (max-width:1024px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:22px}
  .band{padding:46px 0}
  .chrono-head,.close-bar{align-items:flex-start}
}
@media (max-width:768px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-inner{flex-wrap:wrap;gap:12px;padding:10px 0}
  .main-nav{display:none;flex:1 0 100%;flex-direction:column;align-items:flex-start;gap:8px;padding:8px 0 12px;border-top:1px solid var(--line)}
  .main-nav.is-open{display:flex}
  .nav-group{flex-direction:column;align-items:flex-start;gap:4px;width:100%}
  .nav-split{display:none}
  .nav-tools{margin-left:0;width:100%;order:4}
  .entry{grid-template-columns:1fr}
  .entry-date{flex-direction:row;align-items:baseline;gap:10px;padding:0 0 8px;border-right:0;border-bottom:1px solid var(--line)}
  .close-bar{flex-direction:column}
  .page-head h1{font-size:32px}
}
@media (max-width:520px){
  .grid-container{width:min(1160px,calc(100% - 28px))}
  .logo{white-space:normal;max-width:70%}
  .masthead-inner{min-height:30px}
  .band{padding:36px 0}
  .card-pad h2,.card-pad h3,.compare-card h3{font-size:20px}
  .media-block .label{font-size:16px}
  .tool-link{flex:1}
  .foot-grid{grid-template-columns:1fr}
  .close-actions,.close-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{--paper:#F4F7F8;--card:#FFFFFF;--ink:#1C3144;--primary:#2C6A86;--primary-deep:#1E5368;--secondary:#3E5163;--accent:#C46B4A;--accent-deep:#A45436;--line:#D7E1E7;--muted:#5E7080;--wash:#E7EEF2;--radius:12px;--shadow:0 8px 24px rgba(28,49,68,.08);--shadow-hover:0 12px 28px rgba(28,49,68,.12);--serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;--sans:"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif}
/* roulang page: category1 */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.75;text-rendering:optimizeLegibility}
img,svg{max-width:100%;display:block;border:0}
button,input,textarea{font-family:inherit;font-size:16px;color:var(--ink)}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease}
a:hover{color:var(--primary-deep)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
[hidden]{display:none !important}
.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}
.grid-container{width:min(1160px,calc(100% - 40px));max-width:1160px;margin:0 auto;padding:0}
.masthead{background:var(--secondary);color:#fff;font-size:13px;letter-spacing:.02em}
.masthead-inner{display:flex;justify-content:space-between;gap:12px;min-height:34px;align-items:center}
.nav-wrap{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.nav-inner{display:flex;align-items:center;gap:22px;min-height:72px}
.logo{font-family:var(--serif);font-weight:700;font-size:16px;line-height:1.3;color:var(--ink);white-space:nowrap;flex:0 0 auto}
.logo:hover{color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:18px;flex:1}
.nav-group{display:flex;align-items:center;gap:14px}
.nav-kicker{color:var(--muted);font-size:12px;letter-spacing:.12em}
.nav-group a{color:var(--ink);font-size:15px;padding:8px 0 6px;border-bottom:2px solid transparent}
.nav-group a:hover{color:var(--primary)}
.nav-group a.is-active{color:var(--primary);border-bottom-color:var(--accent)}
.nav-split{width:1px;height:28px;background:var(--line);display:inline-block}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-toggle{display:none;margin-left:auto;min-width:64px;min-height:40px;border:1px solid var(--line);background:#fff;border-radius:12px;color:var(--ink);cursor:pointer}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}
.nav-toggle:active{transform:none}
.tool-link{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:0 12px;border:1px solid var(--line);border-radius:12px;color:var(--ink);background:#fff;font-size:14px;transition:border-color .2s ease,color .2s ease,transform .2s ease}
.tool-link:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.tool-link:active{transform:none}
.hero{padding:42px 0 28px;background:var(--paper)}
.hero-slab{background:var(--primary);color:#fff;min-height:500px;padding:54px 72px 58px 42px;clip-path:polygon(0 0,100% 0,88% 100%,0 100%)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 18px;padding:4px 10px;border:1px solid rgba(255,255,255,.35);border-radius:999px;font-size:13px;letter-spacing:.06em}
.hero h1{margin:0;font-family:var(--serif);font-size:clamp(34px,4vw,52px);line-height:1.28;font-weight:700;color:#fff}
.hero-sub{margin:18px 0 0;font-size:18px;line-height:1.7;color:#fff}
.hero-lead{margin:16px 0 0;max-width:640px;color:rgba(255,255,255,.92);font-size:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:12px;border:1px solid transparent;font-size:15px;font-weight:500;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;cursor:pointer}
.btn-solid{background:var(--accent);color:#fff}
.btn-solid:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px)}
.btn-solid:active{transform:none}
.btn-line{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-line:hover{background:var(--primary);color:#fff;transform:translateY(-1px)}
.btn-line:active{transform:none}
.hero-slab .btn{margin-top:26px}
.search-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.search-card h2{margin:0 0 8px;font-family:var(--serif);font-size:26px}
.search-note{margin:0 0 16px;color:var(--muted);font-size:14px}
.search-form{display:flex;gap:8px;min-width:min(100%,440px)}
.search-form input{flex:1;min-width:0;height:46px;border:1px solid var(--line);border-radius:12px;padding:0 12px;background:#F8FBFC}
.search-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(44,106,134,.15)}
.guide-list{list-style:none;margin:18px 0 0;padding:0}
.guide-item{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-top:1px solid var(--line);color:var(--ink)}
.guide-item strong{display:block;font-weight:500}
.guide-item span{color:var(--muted);font-size:13px;white-space:nowrap}
.section-title{margin:0;font-family:var(--serif);font-size:clamp(28px,3vw,38px);line-height:1.35;font-weight:700;text-align:left}
.section-lead{margin:12px 0 0;color:var(--secondary);max-width:720px}
.mag-card,.info-card,.entry,.scene-row,.time-item,.pick-card,.cat-card,.review,.logo-pill,.faq-item,.cta-panel,.side-card,.scope-card,.term-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.mag-card{overflow:hidden;height:100%;display:flex;flex-direction:column}
.entry,.pick-card,.side-card,.info-card,.cat-card,.review{transition:transform .2s ease,box-shadow .2s ease}
.mag-card:hover,.info-card:hover,.entry:hover,.pick-card:hover,.cat-card:hover,.review:hover,.side-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.media-block{position:relative;background:#E7EEF2;border-bottom:1px solid var(--line);min-height:148px;overflow:hidden;border-radius:12px 12px 0 0}
.media-block.tall{aspect-ratio:16/9;min-height:0}
.media-block.compact{min-height:96px;border-radius:8px;border:1px solid var(--line)}
.media-block .bar{height:8px;background:var(--primary);margin:22px 18px 0;width:42%;display:block}
.media-block .bar.short{width:24%;background:var(--secondary)}
.media-block .label{position:absolute;left:18px;bottom:14px;font-family:var(--serif);color:var(--primary)}
.media-block .mark{position:absolute;right:0;top:0;width:42px;height:42px;background:var(--accent)}
.mag-body,.card-pad{padding:18px 18px 20px}
.badge{display:inline-flex;align-items:center;min-height:24px;padding:0 8px;border-radius:999px;background:rgba(196,107,74,.12);color:var(--accent-deep);font-size:12px;font-weight:700}
.mag-body h3,.card-pad h3,.entry h3,.pick-card h3,.cat-card h3,.side-card h3{margin:10px 0 8px;font-family:var(--serif);font-size:22px;line-height:1.4}
.mag-body p,.card-pad p,.entry p,.pick-card p,.cat-card p,.review p,.side-card p,.scope-card p{margin:0;color:var(--secondary);font-size:15px}
.text-link{display:inline-flex;margin-top:12px;color:var(--ink);border-bottom:1px solid var(--accent);line-height:1.4}
.text-link:hover{color:var(--accent-deep)}
.gap-row{margin-top:20px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.step-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.wall-mini .media-block{min-height:72px;border:0;border-radius:8px}
.entry-list{display:flex;flex-direction:column;gap:12px}
.entry-main{min-width:0}
.meta-line{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13px;flex-wrap:wrap}
.more-row{display:flex;justify-content:flex-end;margin-top:14px}
.side-card{padding:18px 18px 20px}
.band{padding:64px 0}
.cat-head{padding:42px 0 28px;background:var(--paper)}
.filter-band{padding:22px 0 18px;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.list-band{background:var(--paper);padding:48px 0 56px}
.scope-band{background:var(--wash)}
.related-band{background:var(--paper)}
.rhythm-band{background:#fff}
.faq-band{background:var(--wash)}
.cat-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(220px,.72fr);gap:32px;align-items:start}
.cat-kicker{display:inline-flex;align-items:center;gap:8px;margin:0 0 14px;color:var(--accent-deep);font-size:13px;font-weight:700;letter-spacing:.08em}
.cat-head h1{margin:0;font-family:var(--serif);font-size:clamp(32px,4vw,46px);line-height:1.32;font-weight:700;color:var(--ink)}
.cat-lead{margin:14px 0 0;max-width:640px;color:var(--secondary);font-size:17px}
.age-line{margin:16px 0 0;color:var(--muted);font-size:14px}
.thin-toc{border-left:3px solid var(--accent);padding:4px 0 4px 16px}
.toc-kicker{margin:0 0 8px;color:var(--muted);font-size:12px;letter-spacing:.14em}
.thin-toc ol{margin:0;padding:0;list-style:none;counter-reset:toc}
.thin-toc li{counter-increment:toc;border-bottom:1px solid var(--line)}
.thin-toc a{display:flex;align-items:center;gap:8px;padding:10px 0;color:var(--ink);font-size:15px}
.thin-toc a::before{content:counter(toc);color:var(--accent-deep);font-family:var(--serif);min-width:1.2em}
.thin-toc a:hover{color:var(--primary)}
.filter-layout{display:flex;justify-content:space-between;gap:24px;align-items:flex-end}
.filter-copy h2{font-size:clamp(24px,2.4vw,32px)}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{min-height:36px;padding:0 12px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease}
.chip:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.chip:active,.chip.is-active:active{transform:none}
.chip.is-active{background:var(--accent);border-color:var(--accent);color:#fff}
.chip.is-active:hover{background:var(--accent-deep);color:#fff}
.list-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-end;margin-bottom:18px}
.list-head .section-lead{margin-top:8px}
.entry{overflow:hidden;height:100%}
.entry-layout{display:flex;flex-direction:column;height:100%}
.entry.is-row .entry-layout{display:grid;grid-template-columns:118px minmax(0,1fr);gap:0;min-height:100%}
.entry.is-row .media-block{border-bottom:0;border-right:1px solid var(--line);border-radius:12px 0 0 12px;min-height:100%}
.entry .card-pad{display:flex;flex-direction:column}
.entry .text-link{margin-top:auto;padding-top:12px}
.empty-note{margin:8px 0 0;color:var(--muted)}
.focus-kicker{margin:0;color:var(--accent-deep);font-size:12px;font-weight:700;letter-spacing:.08em}
.focus-list{list-style:none;margin:16px 0 0;padding:0}
.focus-list li{padding:12px 0;border-top:1px solid var(--line)}
.focus-list a{color:var(--ink);font-weight:700}
.focus-list a:hover{color:var(--primary)}
.focus-list span{display:block;color:var(--muted);font-size:13px;font-weight:400}
.scope-layout,.faq-layout,.rhythm-layout{display:grid;gap:24px;align-items:start}
.scope-layout{grid-template-columns:minmax(0,1.35fr) minmax(240px,.8fr)}
.faq-layout{grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr)}
.rhythm-layout{grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr)}
.scope-card,.term-card{padding:22px}
.scope-card h2,.term-card h3{margin:0 0 12px;font-family:var(--serif)}
.term-card h3{font-size:22px}
.term-list{list-style:none;margin:0;padding:0}
.term-list li{padding:12px 0;border-top:1px solid var(--line);color:var(--secondary);font-size:15px}
.term-list strong{display:block;color:var(--ink);font-family:var(--serif);font-size:18px;font-weight:700}
.related-rail{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 10px}
.related-rail .pick-card{flex:0 0 280px;scroll-snap-align:start;padding:16px 16px 18px}
.time-list{list-style:none;margin:0;padding:0 0 0 18px;border-left:2px solid var(--line)}
.time-item{position:relative;margin:0 0 12px;padding:14px 16px 14px 18px}
.time-item::before{content:"";position:absolute;left:-24px;top:22px;width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px #fff}
.time-item time{display:block;color:var(--accent-deep);font-size:13px;font-weight:700}
.time-item h3{margin:4px 0;font-family:var(--serif);font-size:20px}
.time-item p{margin:0;color:var(--secondary);font-size:15px}
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{padding:0 18px}
.faq-item summary{min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:17px;font-weight:700;color:var(--ink);cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";width:28px;height:28px;line-height:26px;text-align:center;border-radius:50%;border:1px solid var(--line);color:var(--accent-deep);flex:0 0 28px;font-family:var(--serif);font-size:20px}
.faq-item[open] summary::after{content:"–"}
.faq-a{padding:0 36px 16px 0;color:var(--secondary);font-size:15px}
.faq-a p{margin:0}
.faq-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.site-footer{background:var(--ink);color:#E7EEF2;padding:48px 0 28px}
.site-footer h2,.site-footer h3{font-family:var(--serif);color:#fff;margin:0 0 12px}
.site-footer h2{font-size:24px;line-height:1.4}
.site-footer h3{font-size:16px}
.site-footer p,.site-footer li{color:#D5E0E6;font-size:14px}
.site-footer a{color:#D5E0E6}
.site-footer a:hover{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr .9fr;gap:28px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:6px 0}
.copyline{margin:28px 0 0;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);color:#C5D2DA;font-size:13px}
.logo-pill{display:inline-flex;align-items:center;min-height:42px;padding:0 14px;color:var(--secondary);font-size:14px}
@media (max-width:1024px){
.nav-inner{flex-wrap:wrap;padding:10px 0}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center}
.main-nav{display:none;order:5;flex:1 0 100%;flex-direction:column;align-items:flex-start;gap:8px;padding:4px 0 12px}
.main-nav.is-open{display:flex}
.nav-group{flex-direction:column;align-items:flex-start;width:100%;gap:4px}
.nav-split{display:none}
.nav-tools{margin-left:0}
.foot-grid{grid-template-columns:1fr 1fr}
.entry.is-row .entry-layout{grid-template-columns:104px minmax(0,1fr)}
}
@media (max-width:768px){
.cat-layout,.scope-layout,.faq-layout,.rhythm-layout,.filter-layout,.list-head{grid-template-columns:1fr;flex-direction:column;align-items:stretch}
.thin-toc{border-left:0;border-top:3px solid var(--accent);padding:12px 0 0}
.foot-grid{grid-template-columns:1fr;gap:22px}
.band{padding:48px 0}
.stat-grid,.step-row{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
.grid-container{width:calc(100% - 28px)}
.band,.list-band{padding:36px 0}
.logo{white-space:normal;max-width:calc(100% - 84px);font-size:15px}
.masthead-inner{flex-direction:column;align-items:flex-start;padding:6px 0}
.nav-tools{width:100%;justify-content:flex-start}
.tool-link{flex:1}
.search-form{flex-direction:column;min-width:0}
.search-form .btn{width:100%}
.entry.is-row .entry-layout{grid-template-columns:1fr}
.entry.is-row .media-block{border-right:0;border-bottom:1px solid var(--line);border-radius:12px 12px 0 0;min-height:120px}
.section-title{font-size:28px}
.stat-grid,.step-row{grid-template-columns:1fr}
.faq-actions .btn{width:100%}
}