/* roulang page: index */
:root{--bg:#161218;--raise:#241C22;--band:#1C161C;--band2:#2A2026;--ink:#F3EFE8;--muted:#B7A8AA;--line:rgba(243,239,232,.14);--red:#E23B48;--red-d:#c62e3a;--amber:#F0A05A;--bronze:#C9A27A;--radius:14px;--btn:10px;--shadow:0 10px 28px rgba(12,8,10,.35);--pad:72px;--bs-body-bg:#161218;--bs-body-color:#F3EFE8;--bs-primary:#E23B48;--bs-link-color:#F3EFE8;--bs-link-hover-color:#F0A05A;--bs-border-color:rgba(243,239,232,.14)}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.75;text-rendering:optimizeLegibility}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:16px}
::selection{background:var(--red);color:#fff}
:focus-visible{outline:2px solid var(--red);outline-offset:2px}
.shell{width:min(1200px,calc(100% - 32px));margin:0 auto}
h1,h2,h3,p{margin:0}
h1{font-size:38px;line-height:1.3;font-weight:700}
h2{font-size:26px;line-height:1.35;font-weight:700}
h3{font-size:19px;line-height:1.45;font-weight:650}
.prose{max-width:38em}
.sub{color:var(--muted);font-size:14px;line-height:1.6;margin-top:8px}
.sec-copy{max-width:38em;margin-top:12px;color:var(--ink)}
.sec{padding:var(--pad) 0;scroll-margin-top:118px}
.sec-head{margin-bottom:22px}
.age-pill{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:24px;padding:0 8px;border-radius:6px;background:var(--red);color:#fff;font-size:12px;font-weight:700;letter-spacing:.04em}
.badge{display:inline-flex;align-items:center;height:22px;padding:0 7px;border-radius:6px;font-size:12px;font-weight:700;line-height:1}
.b1{background:var(--red);color:#fff}
.b2{background:var(--amber);color:#161218}
.b3{background:transparent;color:var(--bronze);border:1px solid var(--bronze)}
.b-soft{background:rgba(240,160,90,.14);color:var(--amber)}
.btn-main,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:var(--btn);border:1px solid transparent;cursor:pointer;transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease;font-weight:650}
.btn-main{background:var(--red);color:#fff}
.btn-main:hover{background:var(--red-d);color:#fff;transform:translateY(-2px)}
.btn-main:active{transform:translateY(0);background:#b02834}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--bronze)}
.btn-ghost:hover{color:var(--amber);border-color:var(--amber);transform:translateY(-2px)}
.btn-main:disabled,.btn-ghost:disabled{opacity:.45;transform:none;cursor:not-allowed}
.search-line{position:relative;display:flex;align-items:center;width:100%}
.search-line svg{position:absolute;left:16px;width:18px;height:18px;fill:none;stroke:var(--bronze);stroke-width:2}
.search-line input{width:100%;height:50px;border-radius:999px;border:1px solid var(--line);background:#120e12;color:var(--ink);padding:0 18px 0 46px}
.search-line input::placeholder{color:var(--muted)}
.search-line input:focus{border-color:var(--amber);box-shadow:0 0 0 2px rgba(240,160,90,.45);outline:none}
.site-header{position:sticky;top:0;z-index:40;background:#1C161C;border-bottom:1px solid transparent;transition:background .2s ease,border-color .2s ease}
.site-header.is-stuck{background:#161218;border-bottom-color:var(--line)}
.nav-row{display:flex;align-items:center;gap:16px;min-height:76px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:18px;font-weight:750}
.logo-text em{font-style:normal;font-size:12px;color:var(--muted)}
.nav-toggle{display:none;height:40px;padding:0 12px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--ink)}
.nav-search{flex:1 1 auto;min-width:0}
.nav-panel{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.chip{display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 14px;border-radius:999px;border:1px solid var(--line);color:var(--ink);background:transparent;transition:border-color .2s ease,color .2s ease,background .2s ease}
.chip:hover{border-color:var(--red);color:var(--red)}
.chip.is-on,.chip.is-on:hover{background:var(--red);border-color:var(--red);color:#fff}
.hero{padding:48px 0 36px;background:radial-gradient(900px 280px at 80% 0%,rgba(226,59,72,.16),transparent 60%),var(--bg)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:28px;align-items:center}
.kicker{display:flex;gap:8px;align-items:center;margin-bottom:12px;color:var(--amber);font-size:13px}
.hero-copy p{margin-top:14px}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:16px}
.hint-18{font-size:13px;color:var(--muted)}
#search-status{min-height:1.4em;color:var(--amber);font-size:14px;margin-top:8px}
.hero-preview{background:var(--raise);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px}
.preview-item{display:grid;grid-template-columns:112px 1fr;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.preview-item:last-child{border-bottom:0}
.preview-item h3{font-size:16px}
.meta-line{display:flex;flex-wrap:wrap;gap:6px;align-items:center;color:var(--muted);font-size:13px;margin-top:4px}
.thumb{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:12px;background:#120e12;border:1px solid var(--line)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.thumb:hover img{transform:scale(1.06)}
.dur{position:absolute;right:8px;bottom:8px;background:rgba(22,18,24,.88);color:var(--ink);border-radius:6px;padding:2px 6px;font-size:12px}
.zone-grid{display:grid;grid-template-columns:1.35fr 1fr .86fr;gap:14px}
.zone-card,.tile,.main-card,.scene-card,.partner,.side-rank,.lead-card{background:var(--raise);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;transition:transform .2s ease,border-color .2s ease}
.zone-card:hover,.tile:hover,.main-card:hover,.scene-card:hover{transform:translateY(-2px);border-color:var(--red)}
.zone-card strong{display:block;font-size:22px;margin:8px 0}
.zone-card span{color:var(--amber);font-size:14px}
.matrix{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}
.tile{min-height:148px;display:flex;flex-direction:column;justify-content:space-between}
.tile small{color:var(--muted);font-size:13px}
.s7{grid-column:span 7}.s5{grid-column:span 5}.s4{grid-column:span 4}.s3{grid-column:span 3}
.stat-bar{display:grid;grid-template-columns:repeat(4,1fr);background:var(--raise);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stat{padding:18px 16px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;color:var(--amber);font-size:32px;line-height:1.1}
.stat span{color:var(--muted);font-size:14px}
.heat-track{display:flex;gap:14px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory}
.heat-card{flex:0 0 280px;scroll-snap-align:start;background:var(--raise);border:1px solid var(--line);border-radius:var(--radius);padding:12px;transition:transform .2s ease,border-color .2s ease}
.heat-card.lg{flex-basis:440px}
.heat-card:hover{transform:translateY(-2px);border-color:var(--red)}
.heat-card h3{margin:10px 0 4px;font-size:18px}
.path{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--bronze)}
.step{padding:18px 16px 0 0;position:relative}
.step::before{content:"";position:absolute;left:0;top:-5px;width:9px;height:9px;border-radius:50%;background:var(--red)}
.step em{display:block;color:var(--amber);font-style:normal;font-size:13px;margin-bottom:6px}
.focus-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:16px;align-items:stretch}
.focus-grid.flip{grid-template-columns:.7fr 1.3fr}
.text-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.text-list li,.news-list li,.side-rank li,.timeline li{background:var(--raise);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.text-list a,.news-list a{display:block}
.text-list a:hover h3,.news-list a:hover h3{color:var(--amber)}
.timeline{list-style:none;margin:0;padding:0 0 0 18px;border-left:1px solid var(--bronze);display:flex;flex-direction:column;gap:12px}
.timeline li{position:relative}
.timeline li::before{content:"";position:absolute;left:-24px;top:18px;width:9px;height:9px;border-radius:50%;background:var(--amber)}
.wall{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:14px}
.wall figure{margin:0;position:relative;grid-column:span 1}
.wall figure.wide{grid-column:span 2}
.wall figcaption{position:absolute;left:0;right:0;bottom:0;padding:28px 12px 10px;background:linear-gradient(transparent,rgba(22,18,24,.94));opacity:0;transition:opacity .2s ease}
.wall figure:hover figcaption,.wall figure:focus-within figcaption{opacity:1}
.scene-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr 1.1fr;gap:14px}
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:18px}
.news-list,.side-rank{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.side-rank{padding:16px}
.more-link{margin-top:14px}
.partner-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.partner{text-align:center;color:#9c9394;filter:grayscale(1);min-height:84px;display:flex;align-items:center;justify-content:center;font-weight:700}
.partner:hover{filter:none;color:var(--ink);border-color:var(--bronze);transform:translateY(-2px)}
.faq-item{border-bottom:1px solid var(--line);padding:0}
.faq-item summary{cursor:pointer;list-style:none;padding:16px 4px;font-weight:700}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"＋";float:right;color:var(--amber)}
.faq-item[open]{border-left:3px solid var(--red);padding-left:12px}
.faq-item[open] summary::after{content:"－"}
.faq-item p{padding:0 4px 14px;color:var(--muted);max-width:42em}
.safety{background:#32262c;border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:flex;gap:14px;align-items:center;justify-content:space-between}
.safety p{font-size:14px;color:var(--ink)}
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}
.field{margin-bottom:12px}
.field label{display:block;font-size:14px;margin-bottom:6px}
.control{width:100%;height:48px;border-radius:10px;border:1px solid var(--line);background:#120e12;color:var(--ink);padding:0 12px}
textarea.control{height:96px;padding-top:10px;resize:vertical}
.control:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 2px rgba(240,160,90,.35)}
select.control{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#C9A27A 50%),linear-gradient(135deg,#C9A27A 50%,transparent 50%);background-position:calc(100% - 18px) 22px,calc(100% - 12px) 22px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field.is-bad .control{border-color:var(--amber)}
.form-err{color:var(--amber);font-size:13px;min-height:1.2em}
.form-ok{display:none;margin-top:10px;padding:10px 12px;border-radius:10px;border:1px solid var(--amber);color:var(--amber);background:#2A2026}
.form-ok.show{display:block}
.is-dim{display:none !important}
.site-footer{background:#120e12;border-top:1px solid var(--line);padding:36px 0 22px;color:var(--muted);font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:18px}
.site-footer a{display:block;padding:4px 0}
.site-footer a:hover{color:var(--amber)}
.foot-logo{color:var(--ink);margin-bottom:8px}
.copy{margin-top:18px;border-top:1px solid var(--line);padding-top:12px;font-size:13px}
@media (max-width:1199.98px){h1{font-size:34px}.partner-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:991.98px){:root{--pad:42px}.nav-row{flex-wrap:wrap;padding:10px 0}.nav-toggle{display:inline-flex}.nav-search{order:3;flex:1 0 100%}.nav-panel{display:none;order:4;flex:1 0 100%;flex-direction:column;align-items:stretch;padding-bottom:12px}.nav-panel.is-open{display:flex}.hero-grid,.focus-grid,.focus-grid.flip,.news-grid,.contact-grid,.scene-grid,.zone-grid,.wall{grid-template-columns:1fr}.path,.stat-bar{grid-template-columns:1fr 1fr}.s7,.s5,.s4,.s3{grid-column:span 6}.foot-grid{grid-template-columns:1fr 1fr}.heat-card.lg{flex-basis:320px}}
@media (max-width:767.98px){.matrix{grid-template-columns:1fr}.s7,.s5,.s4,.s3{grid-column:auto}.partner-grid,.path,.stat-bar{grid-template-columns:1fr}.safety{flex-direction:column;align-items:flex-start}}
@media (max-width:575.98px){h1{font-size:32px}h2{font-size:22px}.shell{width:min(1200px,calc(100% - 24px))}.hero{padding-top:28px}.preview-item{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr}}
@media (hover:none){.wall figcaption{opacity:1}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto;transition:none !important}}

/* roulang page: category1 */
:root{--bg:#161218;--raise:#241C22;--band:#1C161C;--band2:#2A2026;--ink:#F3EFE8;--muted:#B7A8AA;--line:rgba(243,239,232,.14);--red:#E23B48;--red-d:#c62e3a;--amber:#F0A05A;--bronze:#C9A27A;--radius:14px;--btn:10px;--shadow:0 10px 28px rgba(12,8,10,.35);--pad:72px;--bs-body-bg:#161218;--bs-body-color:#F3EFE8;--bs-primary:#E23B48;--bs-link-color:#F3EFE8;--bs-link-hover-color:#F0A05A;--bs-border-color:rgba(243,239,232,.14)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.75;text-rendering:optimizeLegibility}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:16px;color:var(--ink)}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--red);outline-offset:2px}
.shell{width:min(1120px,calc(100% - 32px));margin:0 auto}
.age-pill{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:24px;padding:0 8px;border-radius:6px;background:var(--red);color:#fff;font-size:12px;font-weight:700;letter-spacing:.04em}
.badge{display:inline-flex;align-items:center;height:22px;padding:0 7px;border-radius:6px;font-size:12px;font-weight:700;line-height:1;background:transparent;color:var(--ink)}
.b-red{background:var(--red);color:#fff}
.b-amber{background:rgba(240,160,90,.16);color:var(--amber);border:1px solid rgba(240,160,90,.45)}
.b-bronze{background:transparent;color:var(--bronze);border:1px solid var(--bronze)}
.btn-main,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:var(--btn);border:1px solid transparent;cursor:pointer;transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease;font-weight:700}
.btn-main{background:var(--red);color:#fff}
.btn-main:hover{background:var(--red-d);color:#fff;transform:translateY(-2px)}
.btn-main:active{transform:translateY(0);background:#b02834}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--bronze)}
.btn-ghost:hover{color:var(--amber);border-color:var(--amber);transform:translateY(-2px)}
.btn-main:disabled,.btn-ghost:disabled{opacity:.45;transform:none;cursor:not-allowed}
.search-line{position:relative;display:flex;align-items:center;width:100%}
.search-line svg{position:absolute;left:16px;width:18px;height:18px;fill:none;stroke:var(--bronze);stroke-width:2}
.search-line input{width:100%;height:50px;border-radius:999px;border:1px solid var(--line);background:#120e12;color:var(--ink);padding:0 18px 0 46px}
.search-line input::placeholder{color:var(--muted)}
.search-line input:focus{border-color:var(--amber);box-shadow:0 0 0 2px rgba(240,160,90,.45);outline:none}
.site-header{position:sticky;top:0;z-index:40;background:#1C161C;border-bottom:1px solid transparent;transition:background .2s ease,border-color .2s ease}
.site-header.is-stuck{background:#161218;border-bottom-color:var(--line)}
.nav-row{display:flex;align-items:center;gap:16px;min-height:76px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:18px;font-weight:750}
.logo-text em{font-style:normal;font-size:12px;color:var(--muted)}
.nav-toggle{display:none;height:40px;padding:0 12px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--ink)}
.nav-toggle:hover{border-color:var(--red);color:var(--red)}
.nav-search{flex:1 1 auto;min-width:0}
.nav-panel{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.chip,.word-chip,.f-btn{display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 14px;border-radius:999px;border:1px solid var(--line);color:var(--ink);background:transparent;transition:border-color .2s ease,color .2s ease,background .2s ease}
.chip:hover,.word-chip:hover,.f-btn:hover{border-color:var(--red);color:var(--red)}
.chip.is-on,.chip.is-on:hover,.f-btn.is-on,.word-chip.is-on{background:var(--red);border-color:var(--red);color:#fff}
main{display:block}
section{padding:var(--pad) 0}
section.alt{background:var(--band)}
section.alt2{background:var(--band2)}
.sec-head{margin:0 0 18px;max-width:38em}
.sec-head h2,.cat-copy h1{margin:0;font-weight:750;letter-spacing:.01em}
.sec-head h2{font-size:26px;line-height:1.35}
.sec-head p,.cat-copy .scope{margin:.45em 0 0;color:var(--muted);font-size:14px;line-height:1.7}
.cat-head{padding:28px 0 22px;background:radial-gradient(720px 220px at 0% 0%,rgba(226,59,72,.16),transparent 62%),var(--band)}
.crumb{display:flex;flex-wrap:wrap;gap:6px;align-items:center;color:var(--muted);font-size:13px;margin:0 0 10px}
.crumb a:hover{color:var(--amber)}
.cat-copy h1{font-size:36px;line-height:1.3}
.filter-row{display:flex;flex-wrap:wrap;gap:8px 10px;margin-top:16px;align-items:center}
.filter-label{color:var(--bronze);font-size:13px;margin-right:2px}
.sort-bar{display:flex;justify-content:space-between;gap:18px;align-items:flex-end}
.sort-tools{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.select-line{height:46px;min-width:168px;border-radius:999px;border:1px solid var(--line);background:#120e12 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23C9A27A' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 14px center;color:var(--ink);padding:0 36px 0 16px;appearance:none}
.select-line:focus{border-color:var(--amber);box-shadow:0 0 0 2px rgba(240,160,90,.45);outline:none}
#filter-status{min-height:1.4em;color:var(--amber);font-size:14px;margin:8px 0 0}
.list-layout{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(250px,.72fr);gap:18px;align-items:start}
.card-col{display:flex;flex-direction:column;gap:12px}
.item-card,.note-card,.side-hot,.rhythm-cell,.back-panel{background:var(--raise);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.item-card{display:grid;grid-template-columns:210px minmax(0,1fr);gap:14px;padding:12px;transition:transform .2s ease,border-color .2s ease}
.item-card:hover,.note-card:hover{transform:translateY(-2px);border-color:var(--red)}
.item-card h3,.note-card h3,.side-hot h3{margin:6px 0 2px;font-size:18px;line-height:1.4;font-weight:700}
.item-card p,.note-card p{margin:0;color:var(--muted);font-size:14px}
.meta-line{display:flex;flex-wrap:wrap;gap:6px;align-items:center;color:var(--muted);font-size:13px}
.thumb{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;border-radius:10px;background:#120e12}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.thumb:hover img{transform:scale(1.06)}
.dur{position:absolute;right:8px;bottom:8px;padding:2px 7px;border-radius:6px;background:rgba(18,12,14,.82);color:var(--ink);font-size:12px}
.side-hot{padding:16px}
.side-hot ol{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}
.side-hot li{display:grid;grid-template-columns:28px 1fr auto;gap:8px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}
.side-hot li:last-child{border-bottom:0}
.rank{color:var(--amber);font-weight:750}
.more-row{display:flex;justify-content:flex-start;margin-top:12px}
.empty-note{display:none;padding:16px;border:1px dashed var(--line);border-radius:12px;color:var(--muted)}
.rhythm-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr 1.15fr;gap:12px}
.rhythm-cell{padding:16px 18px}
.rhythm-cell strong{display:block;color:var(--amber);font-size:20px;line-height:1.3}
.rhythm-cell span{display:block;margin-top:6px;color:var(--muted);font-size:14px}
.note-grid{display:grid;grid-template-columns:1.25fr .9fr .9fr;gap:14px}
.note-card{overflow:hidden}
.note-card .pad{padding:14px 16px 16px}
.word-search{max-width:640px;margin:0 0 14px}
.word-row{display:flex;flex-wrap:wrap;gap:8px}
.faq-narrow{max-width:720px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{cursor:pointer;list-style:none;padding:16px 8px 16px 12px;font-weight:700}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"＋";float:right;color:var(--amber)}
.faq-item[open]{border-left:3px solid var(--red);background:rgba(226,59,72,.05)}
.faq-item[open] summary::after{content:"－"}
.faq-item p{margin:0;padding:0 12px 14px 12px;color:var(--muted);max-width:38em}
.back-panel{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:18px 20px;background:#31262c}
.back-panel h2{margin:0 0 4px;font-size:24px;line-height:1.35}
.back-panel p{margin:0;color:var(--muted);font-size:14px}
.back-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tiny-age{color:var(--amber);font-size:13px}
.site-footer{background:#120e12;border-top:1px solid var(--line);padding:36px 0 18px;color:var(--muted)}
.foot-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr .8fr;gap:22px}
.foot-logo{color:var(--ink);margin:0 0 8px;line-height:1.25}
.foot-logo strong{font-size:18px}
.foot-logo span{color:var(--muted);font-size:13px}
.site-footer strong{display:block;color:var(--ink);margin-bottom:8px}
.site-footer a{display:block;padding:3px 0;color:var(--muted)}
.site-footer a:hover{color:var(--amber)}
.copy{margin-top:18px;padding-top:12px;border-top:1px solid var(--line);font-size:13px}
@media (max-width:1199.98px){
.item-card{grid-template-columns:180px minmax(0,1fr)}
}
@media (max-width:991.98px){
:root{--pad:44px}
.nav-toggle{display:inline-flex;align-items:center}
.nav-row{flex-wrap:wrap;padding:10px 0;min-height:0}
.nav-search{order:3;flex:1 0 100%}
.nav-panel{display:none;order:4;flex:1 0 100%;flex-direction:column;align-items:stretch;padding:8px 0 12px}
.nav-panel.is-open{display:flex}
.chip{width:100%;height:42px}
.list-layout,.note-grid,.rhythm-grid,.foot-grid,.sort-bar,.back-panel{grid-template-columns:1fr;display:grid}
.sort-bar,.back-panel{display:flex;flex-direction:column;align-items:flex-start}
.cat-copy h1{font-size:32px}
}
@media (max-width:767.98px){
.item-card{grid-template-columns:1fr}
.rhythm-grid,.note-grid{grid-template-columns:1fr}
.sec-head h2,.back-panel h2{font-size:22px}
}
@media (max-width:575.98px){
:root{--pad:36px}
.shell{width:min(1120px,calc(100% - 20px))}
.cat-copy h1{font-size:28px}
.filter-row .f-btn{height:36px;padding:0 10px;font-size:14px}
}

/* roulang page: category2 */
:root{--bg:#161218;--raise:#241C22;--band:#1C161C;--band2:#2A2026;--ink:#F3EFE8;--muted:#B7A8AA;--line:rgba(243,239,232,.14);--red:#E23B48;--red-d:#c62e3a;--amber:#F0A05A;--bronze:#C9A27A;--radius:14px;--btn:10px;--shadow:0 10px 28px rgba(12,8,10,.35);--pad:72px;--bs-body-bg:#161218;--bs-body-color:#F3EFE8;--bs-primary:#E23B48;--bs-link-color:#F3EFE8;--bs-link-hover-color:#F0A05A;--bs-border-color:rgba(243,239,232,.14)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.75;text-rendering:optimizeLegibility}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:16px;color:inherit}
p{margin:0 0 .9em}
h1,h2,h3{line-height:1.35;font-weight:750;margin:0 0 .4em}
h1{font-size:38px;line-height:1.3}
h2{font-size:26px}
h3{font-size:18px}
.shell{width:min(1120px,calc(100% - 32px));margin-inline:auto}
.measure{max-width:38em}
.age-pill{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:24px;padding:0 8px;border-radius:6px;background:var(--red);color:#fff;font-size:12px;font-weight:700;letter-spacing:.04em}
.badge{display:inline-flex;align-items:center;height:22px;padding:0 7px;border-radius:6px;font-size:12px;font-weight:700;line-height:1;border:1px solid transparent}
.badge-z2{background:var(--red);color:#fff}
.badge-z3{background:transparent;color:var(--amber);border-color:var(--amber)}
.badge-hot{background:rgba(240,160,90,.16);color:var(--amber)}
.badge-soft{background:#3a2a22;color:var(--ink)}
.btn-main,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:var(--btn);border:1px solid transparent;cursor:pointer;transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease;font-weight:650}
.btn-main{background:var(--red);color:#fff}
.btn-main:hover{background:var(--red-d);color:#fff;transform:translateY(-2px)}
.btn-main:active{transform:translateY(0);background:#b02834}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--bronze)}
.btn-ghost:hover{color:var(--amber);border-color:var(--amber);transform:translateY(-2px)}
.btn-main:disabled,.btn-ghost:disabled{opacity:.45;transform:none;cursor:not-allowed}
.btn:focus,.btn:active{box-shadow:none}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--red);outline-offset:2px}
.search-line{position:relative;display:flex;align-items:center;width:100%}
.search-line svg{position:absolute;left:16px;width:18px;height:18px;fill:none;stroke:var(--bronze);stroke-width:2}
.search-line input{width:100%;height:50px;border-radius:999px;border:1px solid var(--line);background:#120e12;color:var(--ink);padding:0 18px 0 46px}
.search-line input::placeholder{color:var(--muted)}
.search-line input:focus{border-color:var(--amber);box-shadow:0 0 0 2px rgba(240,160,90,.45);outline:none}
.site-header{position:sticky;top:0;z-index:40;background:#1C161C;border-bottom:1px solid transparent;transition:background .2s ease,border-color .2s ease}
.site-header.is-stuck{background:#161218;border-bottom-color:var(--line)}
.nav-row{display:flex;align-items:center;gap:16px;min-height:76px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:18px;font-weight:750}
.logo-text em{font-style:normal;font-size:12px;color:var(--muted)}
.nav-toggle{display:none;height:40px;padding:0 12px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--ink)}
.nav-toggle:hover{border-color:var(--red);color:var(--red)}
.nav-search{flex:1 1 auto;min-width:0}
.nav-panel{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.chip{display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 14px;border-radius:999px;border:1px solid var(--line);color:var(--ink);background:transparent;transition:border-color .2s ease,color .2s ease,background .2s ease}
.chip:hover{border-color:var(--red);color:var(--red)}
.chip.is-on,.chip.is-on:hover{background:var(--red);border-color:var(--red);color:#fff}
.block{padding:var(--pad) 0}
.block.alt{background:var(--band)}
.block.alt2{background:var(--band2)}
.sec-kicker{color:var(--amber);font-size:13px;letter-spacing:.08em;margin-bottom:6px}
.mast{position:relative;padding:46px 0 40px;background:var(--band);overflow:hidden}
.mast::before{content:"";position:absolute;right:-6%;top:-46%;width:46%;height:190%;background:#E23B48;opacity:.2;transform:skewX(-18deg)}
.mast::after{content:"";position:absolute;left:-10%;bottom:-70%;width:36%;height:150%;background:#F0A05A;opacity:.08;transform:skewX(-18deg)}
.mast .shell{position:relative;z-index:1}
.crumb{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:12px}
.crumb a:hover{color:var(--amber)}
.mast-row{display:flex;justify-content:space-between;gap:24px;align-items:flex-end}
.mast-meta{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}
.compare{display:grid;grid-template-columns:1.25fr .75fr;gap:16px}
.panel{background:var(--raise);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;transition:transform .2s ease,border-color .2s ease}
.panel:hover{transform:translateY(-2px);border-color:var(--red)}
.panel h3{font-size:20px}
.stat-row{display:flex;flex-wrap:wrap;gap:14px 22px;margin-top:12px}
.stat-row strong{display:block;color:var(--amber);font-size:22px;line-height:1.2}
.stat-row span{color:var(--muted);font-size:13px}
.diff-list{margin:10px 0 0;padding:0;list-style:none}
.diff-list li{padding:8px 0;border-top:1px solid var(--line);font-size:15px}
.timeline{position:relative;list-style:none;margin:0;padding:0}
.timeline::before{content:"";position:absolute;left:118px;top:8px;bottom:8px;width:1px;background:var(--line)}
.tl-card{display:grid;grid-template-columns:92px 196px minmax(0,1fr);gap:16px;align-items:center;background:var(--raise);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:12px;margin:0 0 14px 0;position:relative;transition:transform .2s ease,border-color .2s ease}
.tl-card:hover{transform:translateY(-2px);border-color:var(--red)}
.tl-date{color:var(--amber);font-size:13px;font-weight:700}
.thumb{aspect-ratio:16/9;border-radius:10px;overflow:hidden;background:#120e12}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.tl-card:hover .thumb img{transform:scale(1.06)}
.meta-line{display:flex;flex-wrap:wrap;gap:6px;align-items:center;color:var(--muted);font-size:13px;margin-top:6px}
.dur{margin-left:auto;color:var(--amber);font-weight:700}
.list-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:6px}
#search-status{min-height:1.4em;color:var(--amber);font-size:14px}
.scene-row{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px}
.scene-card{flex:0 0 250px;scroll-snap-align:start;background:var(--raise);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;transition:transform .2s ease,border-color .2s ease}
.scene-card:hover{transform:translateY(-2px);border-color:var(--red)}
.scene-card strong{display:block;margin:8px 0 4px;font-size:18px}
.editor-grid{display:grid;grid-template-columns:1.35fr .9fr;gap:14px}
.lead-card{display:grid;grid-template-columns:220px 1fr;gap:14px;background:var(--raise);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px;transition:transform .2s ease,border-color .2s ease}
.lead-card:hover{transform:translateY(-2px);border-color:var(--red)}
.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mini-card{background:var(--raise);border:1px solid var(--line);border-radius:var(--radius);padding:14px;transition:transform .2s ease,border-color .2s ease}
.mini-card:hover{transform:translateY(-2px);border-color:var(--red)}
.mini-card span{display:block;color:var(--amber);font-size:13px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative}
.step{position:relative;padding:18px 18px 8px 0}
.step::after{content:"";position:absolute;left:18px;right:18px;top:32px;height:1px;background:var(--bronze)}
.step:last-child::after{display:none}
.step b{display:inline-flex;width:28px;height:28px;border-radius:999px;align-items:center;justify-content:center;border:1px solid var(--bronze);color:var(--amber);font-size:13px;background:var(--bg);position:relative;z-index:1}
.step h3{margin-top:12px}
.faq-narrow{max-width:720px}
.faq-item{border-bottom:1px solid var(--line);background:transparent}
.faq-item summary{cursor:pointer;list-style:none;padding:16px 8px;font-weight:700}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"＋";float:right;color:var(--amber)}
.faq-item[open]{border-left:3px solid var(--red);background:rgba(226,59,72,.05)}
.faq-item[open] summary::after{content:"－"}
.faq-item p{padding:0 8px 14px;color:var(--muted);margin:0}
.notice{background:#32262c}
.notice-row{display:flex;align-items:center;gap:16px}
.notice-row h2{font-size:22px;margin:0}
.notice-row p{margin:0;color:var(--muted)}
.notice-row .btn-main{margin-left:auto}
.site-footer{background:#120e12;border-top:1px solid var(--line);color:var(--muted);padding-top:8px}
.foot-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr .8fr;gap:22px;padding:32px 0 16px}
.foot-logo strong{color:var(--ink);font-size:18px}
.foot-logo span{color:var(--muted);font-size:13px}
.site-footer strong{display:block;color:var(--ink);margin-bottom:8px}
.site-footer a{display:block;color:var(--muted);padding:4px 0}
.site-footer a:hover{color:var(--amber)}
.copy{border-top:1px solid var(--line);padding:14px 0 22px;font-size:13px;color:var(--muted)}
@media(min-width:1400px){.shell{width:min(1200px,calc(100% - 48px))}}
@media(max-width:991.98px){
  .nav-toggle{display:inline-flex;align-items:center}
  .nav-row{flex-wrap:wrap;min-height:0;padding:10px 0 12px}
  .logo{order:1}
  .nav-toggle{order:2;margin-left:auto}
  .nav-search{order:3;flex:1 0 100%}
  .nav-panel{display:none;order:4;flex:1 0 100%;flex-direction:column;align-items:stretch;padding-bottom:8px}
  .site-header.nav-open .nav-panel{display:flex}
  .chip{width:100%}
  .compare,.editor-grid,.lead-card,.steps{grid-template-columns:1fr}
  .step::after{display:none}
  .mast-row,.notice-row,.list-foot{flex-direction:column;align-items:flex-start}
  .notice-row .btn-main{margin-left:0}
  .timeline::before{left:18px}
  .tl-card{grid-template-columns:1fr;padding-left:28px}
  h1{font-size:32px}
}
@media(max-width:767.98px){:root{--pad:40px}.mini-grid{grid-template-columns:1fr}.scene-card{flex-basis:78%}h1{font-size:30px}h2{font-size:22px}.foot-grid{grid-template-columns:1fr 1fr;gap:16px}}
@media(max-width:575.98px){.shell{width:calc(100% - 24px)}.foot-grid{grid-template-columns:1fr}.mast{padding:32px 0 28px}}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}