/* roulang page: index */
:root{--bg:#100E12;--bg-2:#1A1418;--surface:#241C22;--ink:#F6F1E8;--muted:#C9BEB4;--primary:#8E3A4B;--copper:#C46A45;--champagne:#E7D7B1;--hd:#D5E2EA;--line:rgba(231,215,177,.28);--shadow:0 10px 22px rgba(196,106,69,.14);--r:4px;--ticket:4px 18px 4px 18px;--max:1120px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:17px;line-height:1.85;text-rendering:optimizeLegibility}
body a{color:var(--champagne);text-decoration:none}
body a:hover{color:var(--copper)}
img{max-width:100%;display:block;border:0}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,p{margin:0}
h1{font-size:36px;line-height:1.25;font-weight:680;letter-spacing:0}
h2{font-size:26px;line-height:1.35;font-weight:650}
h3{font-size:18px;line-height:1.45;font-weight:640}
p{margin-bottom:1em}
.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:40;background:rgba(16,14,18,.94);border-bottom:1px solid var(--line);backdrop-filter:none}
.nav-bar{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0}
.logo{color:var(--champagne);font-weight:700;font-size:18px;line-height:1.3;max-width:760px}
.site-header a.logo:hover{color:var(--copper)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:var(--r);border:1px solid transparent;cursor:pointer;transition:transform .18s ease,filter .18s ease,background .18s ease,color .18s ease,border-color .18s ease;text-decoration:none;line-height:1}
.btn-primary{background:var(--copper);color:#1A100E;border-color:var(--copper)}
.site-header a.btn-primary,.hero-actions a.btn-primary,button.btn-primary{color:#1A100E}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);color:#1A100E}
.btn-primary:active{transform:translateY(0);filter:none}
.btn-ghost{background:transparent;color:var(--champagne);border-color:var(--champagne)}
.btn-ghost:hover{color:var(--copper);border-color:var(--copper)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--champagne);outline-offset:2px}
.band{position:relative;padding:88px 0;border-top:1px solid transparent}
.band-a{background:var(--bg)}
.band-b{background:var(--bg-2);border-top-color:var(--line)}
.band-c{background:var(--surface);border-top-color:var(--line);padding:96px 0}
.band-loose{padding:96px 0}
.lede{max-width:42em;color:var(--muted);font-size:17px}
.kicker{color:var(--champagne);font-size:12px;margin-bottom:8px}
.board{overflow:hidden}
.board-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.85fr);gap:36px;align-items:start}
.subtitle{color:var(--hd);font-size:18px;line-height:1.7;margin:14px 0}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.spots{position:absolute;inset:0;pointer-events:none}
.spot{position:absolute;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle,rgba(231,215,177,.28),rgba(142,58,75,.04) 62%,transparent 72%)}
.spot-a{right:4%;top:18px}
.spot-b{right:18%;bottom:10px;width:90px;height:90px;background:radial-gradient(circle,rgba(196,106,69,.35),transparent 70%)}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.metric{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 14px 12px;box-shadow:var(--shadow)}
.metric b{display:block;font-size:32px;line-height:1.1;color:var(--champagne);font-weight:700}
.metric span{display:block;margin-top:6px;color:var(--muted);font-size:14px}
.entry-grid{display:grid;grid-template-columns:1.4fr .8fr;gap:18px;margin-top:28px}
.ticket{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--ticket);box-shadow:var(--shadow);padding:22px 22px 22px 40px;transition:transform .18s ease,border-color .18s ease}
.ticket::before{content:"";position:absolute;left:12px;top:14px;bottom:14px;width:10px;background:radial-gradient(circle,var(--bg) 3px,transparent 3.6px) center/10px 18px repeat-y}
.ticket:hover{transform:translateY(-2px);border-color:var(--copper)}
.ticket .tag{font-size:12px;color:var(--champagne);display:inline-block;margin-bottom:8px}
.ticket p,.mini p,.scene p,.qa p,.topic p{color:var(--muted);margin:8px 0 0}
.matrix{display:grid;grid-template-columns:1.35fr .9fr;gap:16px;margin-top:28px;align-items:start}
.stack{display:grid;gap:12px}
.stack .ticket:nth-child(even){margin-left:22px}
.wide-ticket{min-height:100%}
.scene-list{display:grid;gap:12px;margin-top:28px}
.scene{display:grid;grid-template-columns:180px minmax(0,1fr) auto;gap:18px;align-items:center;padding:18px 18px 18px 20px;background:var(--surface);border-left:3px solid var(--copper);border-radius:var(--r);border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.scene h3{font-size:20px}
.scene p{margin:0}
.scene a{white-space:nowrap}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:28px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.panel h3{margin-bottom:14px}
.row-bar{margin-bottom:14px}
.row-bar em{display:flex;justify-content:space-between;font-style:normal;font-size:14px;color:var(--muted)}
.track{height:8px;background:#100E12;border-radius:99px;margin-top:6px;overflow:hidden}
.fill{display:block;height:100%;background:var(--primary);border-radius:99px}
.fill.hi{background:var(--copper)}
.steps{list-style:none;margin:28px 0 0;padding:0;display:grid;gap:0;max-width:760px}
.steps li{display:grid;grid-template-columns:72px minmax(0,1fr);gap:16px;padding:0 0 22px}
.num{width:56px;height:72px;border-radius:var(--ticket);border:1px dashed var(--champagne);display:flex;align-items:center;justify-content:center;color:var(--champagne);background:radial-gradient(circle at 8px 12px,transparent 4px,var(--surface) 4.5px);box-shadow:var(--shadow)}
.mile{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:32px;position:relative}
.mile::before{content:"";position:absolute;left:6%;right:6%;top:18px;height:1px;background:var(--line)}
.mile article{padding:0 10px;position:relative}
.dot{width:14px;height:14px;border-radius:50%;background:var(--copper);border:2px solid var(--champagne);margin:12px auto 14px;position:relative;z-index:1}
.mile h3{text-align:center;font-size:17px}
.mile p{text-align:center;color:var(--muted);font-size:15px}
.news{margin-top:12px;border-top:1px solid var(--line)}
.news a{display:grid;grid-template-columns:88px minmax(0,1fr);gap:18px;padding:16px 4px;border-bottom:1px solid var(--line);color:var(--ink)}
.news a:hover{color:var(--copper);background:rgba(231,215,177,.04)}
.news time{color:var(--champagne);font-size:14px}
.more{margin-top:22px}
.mosaic{margin-top:28px;display:grid;grid-template-columns:repeat(12,1fr);gap:14px}
.topic{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--ticket);padding:18px 18px 18px 34px;position:relative;box-shadow:var(--shadow);min-height:148px;color:var(--ink)}
.topic::before{content:"";position:absolute;left:10px;top:12px;bottom:12px;width:8px;background:radial-gradient(circle,var(--bg) 2.5px,transparent 3px) center/8px 16px repeat-y}
.topic:hover{border-color:var(--copper);color:var(--champagne);transform:translateY(-2px)}
.s7{grid-column:span 7}.s5{grid-column:span 5}.s4{grid-column:span 4}.s8{grid-column:span 8}
.badges{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:28px}
.badge{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:16px 12px;text-align:left}
.badge strong{display:block;font-size:12px;font-weight:650;color:var(--champagne);margin-bottom:8px}
.badge span{display:block;color:var(--muted);font-size:15px;line-height:1.7}
.qa{display:grid;gap:0;margin-top:12px}
.qa article{display:grid;grid-template-columns:220px minmax(0,1fr);gap:22px;padding:18px 0;border-bottom:1px solid var(--line)}
.qa h3{font-size:17px}
.qa p{margin:0}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:18px 0;font-size:18px;line-height:1.5}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"＋";float:right;color:var(--champagne)}
.faq details[open] summary::after{content:"－"}
.faq details p{color:var(--muted);padding:0 0 16px;max-width:46em}
.week{margin-top:28px;display:grid;grid-template-columns:repeat(7,1fr);gap:10px;align-items:end;min-height:240px}
.day{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:10px 8px;display:flex;flex-direction:column;justify-content:flex-end;min-height:120px}
.day i{display:block;width:100%;background:linear-gradient(180deg,var(--champagne),var(--copper));border-radius:2px;margin-bottom:8px}
.day b{font-size:13px;font-weight:600}
.day span{color:var(--muted);font-size:12px}
.h28{height:28%}.h34{height:34%}.h48{height:48%}.h52{height:52%}.h78{height:78%}.h86{height:86%}.h90{height:90%}
.day .h28,.day .h34,.day .h48,.day .h52,.day .h78,.day .h86,.day .h90{flex:none}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 18px;margin-top:8px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field span{font-size:14px;color:var(--champagne)}
input,select,textarea{width:100%;background:#100E12;border:1px solid var(--line);border-radius:var(--r);padding:12px 12px;outline:none}
textarea{min-height:140px;resize:vertical}
input:hover,select:hover,textarea:hover{border-color:var(--champagne)}
.form-status{color:var(--hd);margin:8px 0 12px}
.site-footer{background:#0C0A0D;border-top:1px solid var(--line);padding:28px 0 36px}
.footer-bar{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;justify-content:space-between}
.footer-brand{color:var(--champagne);margin:0;font-weight:700}
.fine,.copy{color:var(--muted);margin:0;font-size:14px}
.footer-links{display:flex;gap:16px;margin:0}
@media(min-width:1280px){h1{font-size:56px}}
@media(min-width:1024px) and (max-width:1279px){h1{font-size:50px}}
@media(max-width:1024px){
.board-grid,.entry-grid,.matrix,.compare,.qa article{grid-template-columns:1fr}
.stack .ticket:nth-child(even){margin-left:0}
.mile{grid-template-columns:1fr 1fr;gap:18px}
.mile::before{display:none}
.badges{grid-template-columns:1fr 1fr}
.s7,.s5,.s4,.s8{grid-column:span 6}
h1{font-size:40px}
h2{font-size:28px}
}
@media(max-width:768px){
.band,.band-c,.band-loose{padding:48px 0}
.scene{grid-template-columns:1fr;gap:8px}
.mosaic{grid-template-columns:1fr}
.s7,.s5,.s4,.s8{grid-column:auto}
.form-grid{grid-template-columns:1fr}
.week{gap:6px}
h1{font-size:34px}
h2{font-size:24px}
}
@media(max-width:640px){
.nav-bar{align-items:flex-start}
.logo{font-size:15px;max-width:68%}
.metric b{font-size:26px}
.news a{grid-template-columns:72px minmax(0,1fr);gap:10px}
.container{width:min(var(--max),calc(100% - 28px))}
.footer-bar{align-items:flex-start}
}
@media(max-width:520px){
.hero-actions .btn,.form-grid .btn{width:100%}
.metric-grid{grid-template-columns:1fr}
.badges,.mile{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.ticket,.btn,.topic{transition:none}}

/* roulang page: category2 */
:root{--bg:#100E12;--bg-2:#1A1418;--surface:#241C22;--ink:#F6F1E8;--muted:#C9BEB4;--primary:#8E3A4B;--copper:#C46A45;--champagne:#E7D7B1;--hd:#D5E2EA;--line:rgba(231,215,177,.28);--shadow:0 10px 22px rgba(196,106,69,.14);--r:4px;--ticket:4px 18px 4px 18px;--max:1120px}
/* roulang page: category2 */
html{scroll-behavior:smooth;color-scheme:dark}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:17px;line-height:1.85;text-rendering:optimizeLegibility}
body a{color:var(--champagne);text-decoration:none}
body a:hover{color:var(--copper)}
img{max-width:100%;display:block;border:0}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,p{overflow-wrap:break-word}
h1{font-size:36px;line-height:1.25;font-weight:760;margin:0 0 .35em;color:var(--ink)}
h2{font-size:26px;line-height:1.35;font-weight:720;margin:0;color:var(--ink)}
h3{font-size:18px;line-height:1.45;margin:0;color:var(--ink)}
p{margin:0 0 1em}
.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:40;background:rgba(16,14,18,.94);border-bottom:1px solid var(--line)}
.nav-bar{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0}
.logo{color:var(--champagne);font-weight:700;font-size:18px;line-height:1.3;max-width:760px;display:block}
.site-header a.logo:hover{color:var(--copper)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:var(--r);border:1px solid transparent;cursor:pointer;transition:transform .18s ease,filter .18s ease,background .18s ease,color .18s ease,border-color .18s ease;text-decoration:none;line-height:1;white-space:nowrap}
.btn-primary{background:var(--copper);color:#1A100E;border-color:var(--copper)}
.site-header a.btn-primary,button.btn-primary{color:#1A100E}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);color:#1A100E}
.btn-primary:active{transform:translateY(0);filter:none}
.btn-ghost{background:transparent;color:var(--champagne);border-color:var(--champagne)}
.btn-ghost:hover{color:var(--copper);border-color:var(--copper);background:rgba(196,106,69,.08)}
.btn-ghost:active{transform:translateY(1px)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--champagne);outline-offset:2px}
.band{padding:88px 0}
.band-a{background:var(--bg)}
.band-b{background:var(--bg-2)}
.band-loose{padding:96px 0}
.narrow{max-width:680px;margin:0 auto;text-align:center}
.brand-kicker{margin:0 0 14px;color:var(--champagne);font-size:14px;letter-spacing:.04em}
.subtitle{color:var(--hd);font-size:18px;line-height:1.7;margin:14px 0 0}
.lead{color:var(--muted);margin:14px 0 0;max-width:42em}
.narrow .lead{margin-inline:auto}
.contrast{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:32px;text-align:left}
.ticket{background:var(--surface);border:1px solid var(--line);border-radius:var(--ticket);box-shadow:var(--shadow);padding:18px 18px 18px 20px;position:relative;transition:transform .18s ease,border-color .18s ease}
.ticket:hover{transform:translateY(-2px);border-color:var(--champagne)}
.ticket .tag{font-size:12px;color:var(--champagne);display:inline-block;margin-bottom:8px}
.ticket p{color:var(--muted);margin:8px 0 0}
.ticket-hot{border-color:rgba(196,106,69,.65)}
.ticket-hot .tag{color:var(--copper)}
.tl{position:relative;margin-top:32px;display:grid;gap:4px}
.tl::before{content:"";position:absolute;left:27px;top:12px;bottom:12px;width:1px;background:linear-gradient(var(--copper),var(--line));}
.tl-item{display:grid;grid-template-columns:56px minmax(0,1fr);gap:18px;align-items:stretch;padding:8px 0}
.perf{width:56px;height:56px;border-radius:50%;border:1px dashed var(--champagne);background:
radial-gradient(circle at 50% 8px,var(--bg) 3px,transparent 4px),
radial-gradient(circle at 50% 48px,var(--bg) 3px,transparent 4px),
var(--bg-2);color:var(--champagne);display:flex;align-items:center;justify-content:center;font-weight:760;position:relative;z-index:1}
.tl-item .ticket{min-height:100%}
.rhythm{display:grid;gap:18px;margin-top:28px}
.rhythm-row{display:grid;grid-template-columns:148px minmax(0,1fr);gap:16px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}
.rhythm-row strong{font-size:17px}
.rhythm-row span{display:block;color:var(--muted);font-size:15px;line-height:1.7}
.dens{height:14px;display:flex;gap:4px;align-items:stretch}
.dens i{display:block;flex:1;background:rgba(231,215,177,.16);border-radius:2px}
.dens i.on{background:var(--copper)}
.dens i.mid{background:var(--primary)}
.mile{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:32px}
.mile::before{content:"";position:absolute;left:6%;right:6%;top:22px;height:1px;background:var(--line)}
.mile article{position:relative;padding-top:8px}
.dot{width:14px;height:14px;border-radius:50%;background:var(--copper);border:2px solid var(--champagne);margin-bottom:16px;position:relative;z-index:1}
.mile p{color:var(--muted);margin:6px 0 0;font-size:15px}
.badges{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:28px}
.badge{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:16px 12px;text-align:left;transition:border-color .18s ease}
.badge:hover{border-color:var(--copper)}
.badge strong{display:block;font-size:12px;font-weight:650;color:var(--champagne);margin-bottom:8px}
.badge span{display:block;color:var(--muted);font-size:15px;line-height:1.7}
.news{margin-top:8px}
.news a{display:grid;grid-template-columns:108px minmax(0,1fr);gap:18px;padding:16px 4px;border-bottom:1px solid var(--line);color:var(--ink);transition:color .18s ease,background .18s ease}
.news a time{color:var(--champagne);font-size:14px}
.news a:hover{color:var(--copper);background:rgba(231,215,177,.04)}
.news a:active{background:rgba(196,106,69,.08)}
.more-row{margin-top:22px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:20px 0;font-size:18px;line-height:1.5}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"＋";float:right;color:var(--champagne)}
.faq details[open] summary::after{content:"－"}
.faq details[open] summary{color:var(--champagne)}
.faq details p{color:var(--muted);padding:0 0 18px;max-width:46em;margin:0}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 18px;margin-top:8px}
.field{display:flex;flex-direction:column;gap:8px;color:var(--champagne);font-size:14px}
.field-full{grid-column:1/-1}
input,select,textarea{width:100%;background:#100E12;border:1px solid var(--line);border-radius:var(--r);padding:12px 12px;outline:none;color:var(--ink)}
textarea{min-height:140px;resize:vertical}
input:hover,select:hover,textarea:hover{border-color:var(--champagne)}
input:focus,select:focus,textarea:focus{border-color:var(--copper)}
.form-status{color:var(--hd);margin:8px 0 12px;min-height:1.6em}
.site-footer{background:#0C0A0D;border-top:1px solid var(--line);padding:28px 0 36px}
.footer-bar{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;justify-content:space-between}
.footer-brand{color:var(--champagne);margin:0;font-weight:700}
.fine{margin:0;color:var(--muted);font-size:14px}
.footer-links{display:flex;gap:16px;margin:0}
.footer-links a:hover{color:var(--copper)}
@media(min-width:1280px){h1{font-size:56px}}
@media(min-width:1024px) and (max-width:1279px){h1{font-size:50px}}
@media(max-width:1024px){
.mile{grid-template-columns:1fr 1fr;gap:22px}
.mile::before{display:none}
.badges{grid-template-columns:1fr 1fr}
h1{font-size:40px}
h2{font-size:28px}
}
@media(max-width:768px){
.band,.band-loose{padding:48px 0}
.contrast,.rhythm-row,.form-grid,.tl-item{grid-template-columns:1fr}
.perf{width:44px;height:44px}
.tl::before{left:21px}
.nav-bar{align-items:flex-start}
.logo{font-size:15px;max-width:68%}
.news a{grid-template-columns:72px minmax(0,1fr);gap:10px}
.container{width:min(var(--max),calc(100% - 28px))}
.footer-bar{align-items:flex-start}
.hero-actions .btn,.form-grid .btn,.more-row .btn{width:100%}
h1{font-size:34px}
h2{font-size:24px}
.mile,.badges{grid-template-columns:1fr}
}
@media(max-width:640px){
.band{padding:40px 0}
h1{font-size:32px}
.subtitle{font-size:16px}
}

/* roulang page: category1 */
:root{--bg:#100E12;--bg-2:#1A1418;--surface:#241C22;--ink:#F6F1E8;--muted:#C9BEB4;--primary:#8E3A4B;--copper:#C46A45;--champagne:#E7D7B1;--hd:#D5E2EA;--line:rgba(231,215,177,.28);--shadow:0 10px 22px rgba(196,106,69,.14);--r:4px;--ticket:4px 18px 4px 18px;--max:1120px}
/* roulang page: category1 */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:17px;line-height:1.85;text-rendering:optimizeLegibility}
body a{color:var(--champagne);text-decoration:none}
body a:hover{color:var(--copper)}
img{max-width:100%;display:block;border:0}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,p{margin:0}
h1{font-size:34px;line-height:1.25;font-weight:760;letter-spacing:.01em}
h2{font-size:24px;line-height:1.35;font-weight:720}
h3{font-size:18px;line-height:1.45;font-weight:700}
p{margin-bottom:1em}
.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:40;background:rgba(16,14,18,.94);border-bottom:1px solid var(--line)}
.nav-bar{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0}
.logo{color:var(--champagne);font-weight:700;font-size:18px;line-height:1.35;max-width:calc(100% - 128px);display:block}
.site-header a.logo:hover{color:var(--copper)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:var(--r);border:1px solid transparent;cursor:pointer;transition:transform .18s ease,filter .18s ease,background .18s ease,color .18s ease,border-color .18s ease;text-decoration:none;line-height:1;white-space:nowrap}
.btn-primary{background:var(--copper);color:#1A100E;border-color:var(--copper)}
.site-header a.btn-primary,a.btn-primary,button.btn-primary{color:#1A100E}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);color:#1A100E}
.btn-primary:active{transform:translateY(0);filter:none}
.btn-ghost{background:transparent;color:var(--champagne);border-color:var(--champagne)}
.btn-ghost:hover{color:var(--copper);border-color:var(--copper)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--champagne);outline-offset:2px}
.band{background:var(--bg);padding:48px 0}
.band-b{background:var(--bg-2)}
.band-slim{padding:40px 0;border-bottom:1px solid var(--line)}
.band-a{background:var(--bg)}
.slim{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:28px;align-items:center}
.kicker{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 12px}
.kicker span,.tag{display:inline-flex;align-items:center;min-height:24px;padding:0 8px;border:1px solid var(--line);border-radius:var(--r);color:var(--champagne);font-size:12px;line-height:1.4;background:transparent}
.lead{color:var(--hd);font-size:18px;line-height:1.7;margin:14px 0 0;max-width:38em}
.glow{height:132px;border-radius:var(--r);border:1px solid var(--line);box-shadow:var(--shadow);background:radial-gradient(circle at 28% 42%, rgba(231,215,177,.72) 0 9px, transparent 11px),radial-gradient(circle at 64% 60%, rgba(196,106,69,.9) 0 16px, transparent 18px),radial-gradient(circle at 78% 28%, rgba(213,226,234,.6) 0 6px, transparent 8px),var(--bg-2)}
.sec-head{margin-bottom:22px;max-width:40em}
.sec-head p{color:var(--muted);margin:10px 0 0}
.mosaic{display:grid;grid-template-columns:1.25fr .85fr .95fr;grid-template-areas:"a a b" "c d d" "e e e";gap:14px 16px;align-items:start}
.q1{grid-area:a}
.q2{grid-area:b;margin-top:26px}
.q3{grid-area:c;margin-left:20px}
.q4{grid-area:d}
.q5{grid-area:e;max-width:760px}
.ticket{position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--ticket);box-shadow:var(--shadow);padding:18px 18px 16px 28px;transition:transform .18s ease,border-color .18s ease}
.ticket::before{content:"";position:absolute;left:9px;top:12px;bottom:12px;width:10px;background:radial-gradient(circle, var(--bg) 3px, transparent 3.4px);background-size:10px 16px}
.ticket:hover{transform:translateY(-2px);border-color:var(--copper)}
.ticket:active{transform:translateY(0)}
.q1{border-top:3px solid var(--copper)}
.q4{border-top:3px solid var(--champagne)}
.idx{display:block;color:var(--copper);font-size:12px;line-height:1.4;margin-bottom:6px}
.ticket h3{margin-bottom:6px}
.ticket p,.mini p,.scene p,.qa p,.topic p{color:var(--muted);margin:8px 0 0;font-size:16px;line-height:1.85}
.clarity{display:grid;grid-template-columns:1.15fr .95fr .9fr;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.clarity article{padding:22px 18px;background:var(--surface);border-right:1px solid var(--line)}
.clarity article:last-child{border-right:0}
.clarity article:nth-child(2){background:#2A2126}
.clarity p{color:var(--muted);margin:8px 0 0}
.scene-row{display:grid;grid-template-columns:1.25fr .82fr 1fr;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.scene-row a{display:block;padding:20px 16px;background:var(--surface);border-right:1px solid var(--line);color:var(--ink);min-height:100%}
.scene-row a:last-child{border-right:0}
.scene-row a:first-child{box-shadow:inset 3px 0 0 var(--copper)}
.scene-row a:hover{color:var(--copper);background:#2C2328}
.scene-row a:active{background:#20181C}
.scene-row p{color:var(--muted);margin:8px 0 0}
.compare-wrap{display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);gap:36px;align-items:start}
.meters{display:grid;gap:18px}
.meter{padding-bottom:14px;border-bottom:1px solid var(--line)}
.meter h3{margin-bottom:8px}
.meter-line{display:flex;align-items:center;gap:12px;margin:0 0 8px;color:var(--muted);font-size:14px;line-height:1.4}
.meter-line span{width:84px;flex:none;color:var(--ink)}
.track{display:block;height:8px;flex:1;background:#100E12;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.track b{display:block;height:100%}
.lo{background:var(--primary)}
.hi{background:var(--hd)}
.meter-note{margin:0;color:var(--muted);font-size:15px}
.news a{display:grid;grid-template-columns:88px minmax(0,1fr);gap:18px;padding:16px 4px;border-bottom:1px solid var(--line);color:var(--ink)}
.news a:hover{color:var(--copper);background:rgba(231,215,177,.04)}
.news time{color:var(--champagne);font-size:14px}
.brief{margin-top:4px}
.brief article{display:grid;grid-template-columns:240px minmax(0,1fr);gap:22px;padding:18px 0;border-bottom:1px solid var(--line)}
.brief p{color:var(--muted);margin:0}
.qa{display:grid;gap:0;margin-top:12px}
.qa article{display:grid;grid-template-columns:220px minmax(0,1fr);gap:22px;padding:18px 0;border-bottom:1px solid var(--line)}
.qa h3{font-size:17px}
.qa p{margin:0}
.badges{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:28px}
.badge{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:16px 12px;text-align:left}
.badge strong{display:block;font-size:12px;font-weight:650;color:var(--champagne);margin-bottom:8px}
.badge span{display:block;color:var(--muted);font-size:15px;line-height:1.7}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:18px 0;font-size:18px;line-height:1.5}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"＋";float:right;color:var(--champagne)}
.faq details[open] summary::after{content:"－"}
.faq details p{color:var(--muted);padding:0 0 16px;max-width:46em}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 18px;margin-top:8px}
input,select,textarea{width:100%;background:#100E12;border:1px solid var(--line);border-radius:var(--r);padding:12px 12px;outline:none}
textarea{min-height:140px;resize:vertical}
input:hover,select:hover,textarea:hover{border-color:var(--champagne)}
.cta-slim{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:22px 24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.cta-slim h2{margin-bottom:6px}
.cta-slim p{margin:0;color:var(--muted);max-width:40em}
.site-footer{background:#0C0A0D;border-top:1px solid var(--line);padding:28px 0 36px}
.footer-bar{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;justify-content:space-between}
.footer-brand{color:var(--champagne);margin:0;font-weight:700}
.fine{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
.footer-links{display:flex;gap:16px;margin:0}
.footer-links a:hover{color:var(--copper)}
::selection{background:var(--primary);color:var(--ink)}
@media(min-width:1280px){h1{font-size:52px}}
@media(min-width:1024px) and (max-width:1279px){h1{font-size:48px}}
@media(min-width:1024px){
.band{padding:88px 0}
.band-slim{padding:40px 0 36px}
h2{font-size:28px}
}
@media(max-width:1024px){
.slim,.compare-wrap,.brief article,.qa article{grid-template-columns:1fr}
.mosaic{grid-template-columns:1fr 1fr;grid-template-areas:"a a" "b c" "d d" "e e"}
.q2,.q3,.q5{margin:0;max-width:none}
.clarity,.scene-row{grid-template-columns:1fr}
.clarity article,.scene-row a{border-right:0;border-bottom:1px solid var(--line)}
.clarity article:last-child,.scene-row a:last-child{border-bottom:0}
.badges{grid-template-columns:1fr 1fr}
.glow{height:96px}
h1{font-size:40px}
h2{font-size:26px}
}
@media(max-width:768px){
.band{padding:48px 0}
.band-slim{padding:40px 0}
.nav-bar{align-items:flex-start}
.logo{font-size:15px;max-width:calc(100% - 112px)}
.container{width:min(var(--max),calc(100% - 28px))}
.mosaic{grid-template-columns:1fr;grid-template-areas:"a" "b" "c" "d" "e"}
.news a{grid-template-columns:72px minmax(0,1fr);gap:10px}
.cta-slim{flex-direction:column;align-items:flex-start}
.footer-bar{align-items:flex-start}
h1{font-size:34px}
h2{font-size:24px}
}
@media(max-width:640px){
h1{font-size:32px}
.meter-line{flex-wrap:wrap}
.meter-line span{width:100%}
.hero-actions .btn,.form-grid .btn,.cta-slim .btn{width:100%}
.badges{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
.ticket,.btn,.topic{transition:none}
}