/* roulang page: index */
:root{
  --ink:#1A3C32;
  --ink-deep:#16382C;
  --sprout:#7DAA6A;
  --sprout-soft:#E4EFE0;
  --clay:#C4622D;
  --copper:#8C6239;
  --ivory:#F7F3EA;
  --mist:#E7EEE6;
  --char:#121A16;
  --text:#1C2822;
  --muted:#5C6B63;
  --line:rgba(26,60,50,.08);
  --shadow:0 18px 40px rgba(18,26,22,.08);
  --radius:28px;
  --btn-radius:16px;
  --brand:linear-gradient(135deg,#16382C 0%,#1F6A4A 52%,#C4622D 100%);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --bs-body-color:#1C2822;
  --bs-body-bg:transparent;
  --bs-primary:#1A3C32;
  --bs-link-color:#1A3C32;
  --bs-link-hover-color:#16382C;
  --bs-focus-ring-color:rgba(26,60,50,.35);
  --bs-border-color:rgba(26,60,50,.16);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:linear-gradient(180deg,var(--ivory) 0%,var(--mist) 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--ink-deep)}
button,input,textarea{font-family:inherit}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.skip-link{position:absolute;left:-999px;top:8px;background:var(--char);color:var(--ivory);padding:8px 14px;border-radius:12px;z-index:1080}
.skip-link:focus{left:12px}
.wrap{width:min(1140px,calc(100% - 32px));margin:0 auto}
h1,h2,h3,.serif{font-family:var(--font-serif);font-weight:600;line-height:1.35;color:var(--ink-deep);letter-spacing:0}
p{margin:0 0 1em}
.lead-copy{color:var(--muted);max-width:68ch}

.site-nav{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:var(--ivory);
  border-bottom:0;
  box-shadow:0 1px 0 rgba(26,60,50,.04);
}
.site-nav::after{
  content:"";display:block;height:2px;
  background:linear-gradient(90deg,var(--sprout),var(--clay));
}
.nav-inner{display:flex;align-items:center;gap:16px;min-height:74px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);min-height:44px}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:42px;height:42px;border-radius:12px;flex:0 0 42px;
  background:var(--brand);display:grid;place-items:center;
  box-shadow:0 8px 16px rgba(18,26,22,.12);
}
.brand-name{font-family:var(--font-serif);font-weight:600;font-size:16px;line-height:1.25;max-width:9em}
.nav-links{display:flex;align-items:center;gap:6px;margin:0 auto}
.nav-links a,.nav-cats a{
  display:inline-flex;align-items:center;min-height:44px;padding:0 12px;
  color:var(--ink);text-decoration:none;border-radius:12px;font-weight:500;
}
.nav-links a:hover,.nav-cats a:hover{background:var(--sprout-soft);color:var(--ink-deep)}
.nav-links a:active,.nav-cats a:active{background:#d5e6cf}
.nav-cats{display:flex;align-items:center;gap:4px}
.nav-cats a{color:var(--copper)}
.nav-actions{display:flex;align-items:center;gap:10px}
.menu-btn{
  display:none;min-width:44px;min-height:44px;border-radius:12px;
  border:1px solid rgba(26,60,50,.2);background:#fff;color:var(--ink);
}
.menu-btn span,.menu-btn span::before,.menu-btn span::after{
  display:block;width:18px;height:2px;background:var(--ink);position:relative;margin:0 auto;
}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0}
.menu-btn span::before{top:-6px}
.menu-btn span::after{top:6px}

.btn-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 18px;border-radius:var(--btn-radius);
  font-weight:700;text-decoration:none;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease;
}
.btn-brand{background:var(--brand);color:#F7F3EA;box-shadow:0 10px 22px rgba(22,56,44,.18)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 16px 28px rgba(22,56,44,.24)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--sprout-soft);color:var(--ink-deep)}
.btn-ghost.light{color:#F7F3EA;border-color:rgba(247,243,234,.7)}
.btn-ghost.light:hover{background:rgba(247,243,234,.12);color:#fff}

.offcanvas{background:var(--ivory);color:var(--text)}
.offcanvas .nav-links,.offcanvas .nav-cats{display:flex;flex-direction:column;align-items:stretch;margin:0}
.offcanvas .nav-actions{flex-direction:column;align-items:stretch;margin-top:auto;padding-top:16px}
.offcanvas a{border-radius:12px}

main{padding-top:98px}
.block{padding:72px 0}
.block-alt{background:rgba(255,255,255,.42);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.block h2{font-size:32px;margin:0 0 12px}
.kicker{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border-radius:999px;background:var(--char);color:var(--ivory);border:1px solid var(--copper);font-size:12px;letter-spacing:.04em;margin-bottom:12px}

.hero-card{
  background:var(--brand);color:#F7F3EA;border-radius:var(--radius);
  padding:32px;box-shadow:var(--shadow);border:1px solid rgba(26,60,50,.08);
}
.hero-card h1{color:#F7F3EA;font-size:clamp(30px,4vw,46px);margin:0 0 12px}
.hero-sub{font-size:18px;line-height:1.7;margin-bottom:12px;color:#F3E7D4}
.hero-card p{color:rgba(247,243,234,.92)}
.point-list{list-style:none;padding:0;margin:0 0 18px}
.point-list li{position:relative;padding-left:18px;margin:0 0 .55em}
.point-list li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--clay);position:absolute;left:0;top:.65em}
.trust-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.trust-row span{border:1px solid rgba(247,243,234,.35);border-radius:999px;padding:4px 10px;font-size:13px}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px}
.stage{
  position:relative;background:#10241C;border-radius:22px;min-height:280px;
  border:1px solid rgba(247,243,234,.16);padding:18px 18px 72px;overflow:hidden;
}
.stage-top{display:flex;gap:6px;margin-bottom:16px}
.stage-top i{width:10px;height:10px;border-radius:50%;background:#8C6239;display:block}
.stage-frame{
  height:150px;border-radius:16px;
  background:linear-gradient(160deg,#1A3C32,#121A16 60%,#3d2a1c);
  border:1px solid rgba(247,243,234,.08);
}
.sub-bar{
  margin-top:12px;background:rgba(247,243,234,.94);color:var(--char);
  border-radius:12px;padding:8px 12px;font-size:14px;text-align:center;
}
.play-dot{
  width:46px;height:46px;border-radius:50%;border:1px solid rgba(247,243,234,.4);
  display:grid;place-items:center;margin:18px auto 0;
}
.play-dot::before{content:"";border-style:solid;border-width:8px 0 8px 14px;border-color:transparent transparent transparent #F7F3EA;margin-left:3px}
.float-badges{display:flex;gap:8px;position:absolute;right:16px;bottom:16px}
.score{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--char);color:var(--ivory);border:1px solid var(--copper);
  border-radius:999px;padding:6px 12px;font-variant-numeric:tabular-nums;font-size:13px;line-height:1.2;
}
.score b{font-weight:700;color:#F3E7D4}

.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:-28px;position:relative;z-index:2}
.metric{
  background:var(--char);color:var(--ivory);border:1px solid var(--copper);
  border-radius:999px;padding:14px 18px;box-shadow:var(--shadow);text-align:center;
}
.metric strong{display:block;font-variant-numeric:tabular-nums;font-family:var(--font-serif);font-size:26px;line-height:1.2;color:#F7F3EA}
.metric span{font-size:13px;color:#D9C7AE}

.bento{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.card-xl{
  background:#fffdf8;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 32px;box-shadow:var(--shadow);height:100%;
}
.card-xl:hover{transform:translateY(-2px);box-shadow:0 22px 44px rgba(18,26,22,.1);transition:transform .2s ease,box-shadow .2s ease}
.stack{display:flex;flex-direction:column;gap:24px}
.ico{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;background:var(--sprout-soft);color:var(--ink);margin-bottom:10px}
.spec-line{
  margin-top:24px;display:flex;flex-wrap:wrap;gap:18px;align-items:center;
  background:var(--char);color:var(--ivory);border-radius:18px;padding:16px 20px;
}
.spec-line span{font-variant-numeric:tabular-nums}

.compare{display:flex;flex-direction:column;gap:12px}
.compare-row{
  display:grid;grid-template-columns:140px 1fr;gap:16px;align-items:center;
  background:#fffdf8;border:1px solid var(--line);border-radius:18px;padding:16px 18px;
}
.compare-row b{font-family:var(--font-serif);color:var(--ink)}
.bar{height:8px;border-radius:999px;background:#E5E1D6;overflow:hidden}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--ink),var(--sprout),var(--clay));border-radius:999px}

.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.scene-card{
  background:#fffdf8;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);min-height:180px;
}
.scene-card h3{font-size:22px;margin:0 0 8px}
.tag{display:inline-block;background:var(--sprout-soft);color:var(--ink);border-radius:999px;padding:2px 10px;font-size:13px;margin-bottom:8px}

.path{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative}
.path::before{content:"";position:absolute;left:8%;right:8%;top:28px;height:2px;background:linear-gradient(90deg,var(--sprout),var(--clay))}
.step{position:relative;padding:0 12px;text-align:left}
.step-no{
  width:56px;height:56px;border-radius:999px;background:var(--char);color:var(--ivory);
  border:1px solid var(--copper);display:grid;place-items:center;font-variant-numeric:tabular-nums;
  font-family:var(--font-serif);margin-bottom:14px;position:relative;z-index:1;
}
.browser{
  background:#fffdf8;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;
}
.browser-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:#F3EEE4;border-bottom:1px solid var(--line)}
.browser-bar i{width:10px;height:10px;border-radius:50%;background:var(--copper);display:block}
.browser-url{margin-left:8px;background:#fff;border-radius:999px;padding:4px 12px;font-size:13px;color:var(--muted)}
.screen{display:grid;grid-template-columns:1.4fr .8fr;min-height:320px}
.screen-visual{background:linear-gradient(165deg,#16382C,#1A3C32 40%,#3E2A1E);position:relative;margin:18px;border-radius:18px}
.controls{position:absolute;left:16px;right:16px;bottom:64px;display:flex;align-items:center;gap:10px;color:#F7F3EA}
.controls .knob{width:36px;height:36px;border-radius:50%;border:1px solid rgba(247,243,234,.45);display:grid;place-items:center}
.track{flex:1;height:4px;background:rgba(247,243,234,.25);border-radius:999px}
.track b{display:block;width:42%;height:100%;background:var(--clay);border-radius:999px}
.caption{
  position:absolute;left:16px;right:16px;bottom:16px;background:rgba(247,243,234,.95);
  color:var(--char);border-radius:12px;text-align:center;padding:8px 10px;
}
.side-note{padding:28px 28px 28px 8px}
.side-note ul{padding-left:1.1em;margin:0}

.topic{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:stretch}
.plist{display:flex;flex-direction:column;gap:12px}
.plist a{
  display:flex;justify-content:space-between;gap:12px;align-items:center;
  background:#fffdf8;border:1px solid var(--line);border-radius:16px;padding:14px 16px;
  text-decoration:none;min-height:44px;
}
.plist a:hover{border-color:var(--sprout);box-shadow:var(--shadow)}
.plist small{color:var(--copper);white-space:nowrap}

.case-row{display:grid;grid-template-columns:160px 1fr;gap:24px;align-items:center;margin-bottom:24px}
.case-row.reverse{grid-template-columns:1fr 160px}
.case-row.reverse .score{justify-self:end}
.case-copy{background:#fffdf8;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}

.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.plan{
  background:#fffdf8;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);display:flex;flex-direction:column;
}
.plan.featured{
  border:2px solid transparent;
  background-image:linear-gradient(#fffdf8,#fffdf8),var(--brand);
  background-origin:border-box;
  background-clip:padding-box,border-box;
  transform:translateY(-12px);
}
.price{font-family:var(--font-serif);font-size:40px;font-variant-numeric:tabular-nums;margin:8px 0}
.price small{font-size:16px;color:var(--muted)}
.plan ul{padding-left:1.1em;margin:0 0 18px;flex:1}
.plan .btn-brand,.plan .btn-ghost{width:100%}

.review-wall{columns:3;column-gap:24px}
.quote{
  break-inside:avoid;margin:0 0 24px;background:#fffdf8;border:1px solid var(--line);
  border-radius:22px;padding:22px 22px 18px;box-shadow:var(--shadow);
}
.quote:nth-child(3n){padding-bottom:36px}
.quote:nth-child(2n){background:#F8F4EC}
.quote p{margin:0 0 10px}
.quote cite{font-style:normal;color:var(--copper);font-size:14px}

.rep{
  background:var(--char);color:var(--ivory);border-radius:var(--radius);padding:32px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:28px;box-shadow:var(--shadow);
}
.rep-nums{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.rep-nums div{border:1px solid var(--copper);border-radius:18px;padding:14px;text-align:center}
.rep-nums strong{display:block;font-family:var(--font-serif);font-size:28px;font-variant-numeric:tabular-nums}
.rep blockquote{margin:0 0 12px;padding-left:12px;border-left:3px solid var(--clay)}

.news-list{display:flex;flex-direction:column;gap:12px}
.news-item{
  display:grid;grid-template-columns:92px 1fr;gap:16px;align-items:center;
  background:#fffdf8;border:1px solid var(--line);border-radius:18px;padding:12px 16px;
  text-decoration:none;min-height:72px;
}
.news-item:hover{border-color:var(--sprout);box-shadow:var(--shadow)}
.date-badge{
  background:var(--char);color:var(--ivory);border:1px solid var(--copper);
  border-radius:14px;text-align:center;padding:6px 4px;font-variant-numeric:tabular-nums;font-size:13px;line-height:1.3;
}

.entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.entry{
  border-radius:var(--radius);padding:32px;min-height:240px;color:#F7F3EA;
  background:var(--brand);box-shadow:var(--shadow);display:flex;flex-direction:column;
}
.entry.alt{background:#fffdf8;color:var(--text);border:1px solid var(--line)}
.entry h3{color:inherit;font-size:28px;margin:0 0 8px}
.entry p{flex:1}
.entry.alt h3{color:var(--ink-deep)}

.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-color:transparent;--bs-accordion-btn-focus-box-shadow:0 0 0 3px rgba(26,60,50,.25);--bs-accordion-active-bg:#fffdf8;--bs-accordion-active-color:var(--ink-deep)}
.accordion-item{background:#fffdf8;border:1px solid var(--line)!important;border-radius:18px!important;margin-bottom:12px;overflow:hidden}
.accordion-button{font-family:var(--font-serif);font-weight:600;color:var(--ink-deep);background:#fffdf8;min-height:56px;box-shadow:none}
.accordion-button:not(.collapsed){color:var(--ink-deep);background:#F8F4EC}
.accordion-button::after{background-image:none;width:.7rem;height:.7rem;border-right:2px solid var(--clay);border-bottom:2px solid var(--clay);transform:rotate(45deg);margin-top:-4px}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);margin-top:2px}
.accordion-body{color:var(--text)}

.cta-band{
  background:var(--brand);color:#F7F3EA;border-radius:var(--radius);padding:32px;
  display:flex;justify-content:space-between;gap:18px;align-items:center;box-shadow:var(--shadow);
}
.cta-band h2{color:#F7F3EA;margin:0 0 6px}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap}
.consult{
  margin-top:24px;background:#fffdf8;border:1px solid var(--line);border-radius:var(--radius);padding:28px 32px;box-shadow:var(--shadow);
}
.form-control,.form-control:focus{
  background:var(--ivory);border:1px solid rgba(26,60,50,.2);border-radius:12px;min-height:48px;color:var(--text);
  box-shadow:none;
}
textarea.form-control{min-height:120px}
.form-control:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(26,60,50,.18)}
.form-label{font-weight:500;color:var(--ink)}
.form-note{display:none;margin-top:12px;color:var(--ink);background:var(--sprout-soft);border-radius:12px;padding:10px 12px}

.site-footer{background:var(--char);color:#F7F3EA;padding:48px 0 28px;margin-top:0}
.foot-top{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;padding-bottom:22px;border-bottom:1px solid rgba(247,243,234,.12)}
.site-footer .brand-name, .site-footer a{color:#F7F3EA}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 16px}
.foot-links a{text-decoration:none;min-height:44px;display:inline-flex;align-items:center}
.foot-links a:hover{color:#E7C7A4}
.foot-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:16px;color:#D9C7AE;font-size:14px}
.domain-text{color:#F3E7D4}

@media (max-width:1199px){
  .brand-name{font-size:15px}
}
@media (max-width:991.98px){
  .nav-links,.nav-cats,.nav-actions{display:none}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center;margin-left:auto}
  .metric-row{grid-template-columns:1fr 1fr;margin-top:18px}
  .bento,.topic,.rep,.screen,.entry-grid,.plans{grid-template-columns:1fr}
  .plan.featured{transform:none}
  .case-row,.case-row.reverse{grid-template-columns:1fr}
  .case-row.reverse .score{justify-self:start}
  .path{grid-template-columns:1fr;gap:18px}
  .path::before{left:27px;right:auto;top:0;bottom:0;width:2px;height:auto}
  .review-wall{columns:2}
  .cta-band{flex-direction:column;align-items:flex-start}
  .block{padding:40px 0}
  .side-note{padding:8px 18px 22px}
}
@media (max-width:767.98px){
  .scene-grid{grid-template-columns:1fr}
  .compare-row{grid-template-columns:1fr}
  .review-wall{columns:1}
  .rep-nums{grid-template-columns:1fr}
  .hero-card,.card-xl,.consult{padding:22px}
  .foot-top{flex-direction:column}
}
@media (max-width:575.98px){
  .wrap{width:min(1140px,calc(100% - 24px))}
  .metric-row{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr}
  .screen{grid-template-columns:1fr}
  .brand-name{max-width:8.2em;font-size:14px}
  .hero-actions .btn-brand,.hero-actions .btn-ghost,.cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%}
}

/* roulang page: category1 */
:root{
 --ink:#1A3C32;
 --ink-deep:#16382C;
 --sprout:#7DAA6A;
 --sprout-soft:#E4EFE0;
 --clay:#C4622D;
 --copper:#8C6239;
 --ivory:#F7F3EA;
 --mist:#E7EEE6;
 --char:#121A16;
 --text:#1C2822;
 --muted:#5C6B63;
 --line:rgba(26,60,50,.08);
 --shadow:0 18px 40px rgba(18,26,22,.08);
 --radius:28px;
 --btn-radius:16px;
 --brand:linear-gradient(135deg,#16382C 0%,#1F6A4A 52%,#C4622D 100%);
 --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
 --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
 --bs-body-color:#1C2822;
 --bs-body-bg:transparent;
 --bs-primary:#1A3C32;
 --bs-link-color:#1A3C32;
 --bs-link-hover-color:#16382C;
 --bs-focus-ring-color:rgba(26,60,50,.35);
 --bs-border-color:rgba(26,60,50,.16);
}
/* roulang page: cate-update */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:var(--font-sans);
 font-size:16px;
 line-height:1.8;
 color:var(--text);
 background:linear-gradient(180deg,var(--ivory) 0%,var(--mist) 100%);
 background-attachment:fixed;
 overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--ink-deep)}
button,input,textarea{font-family:inherit}
h1,h2,h3{font-family:var(--font-serif);font-weight:600;line-height:1.35;color:var(--ink);margin:0 0 .4em}
p{margin:0 0 1em}
::selection{background:#d5e6cf;color:var(--ink-deep)}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.lead-copy{color:var(--muted);max-width:68ch;margin:0}
.wrap{width:min(1140px,calc(100% - 32px));margin-inline:auto}
.site-nav{
 position:fixed;top:0;left:0;right:0;z-index:1040;
 background:var(--ivory);
 box-shadow:0 1px 0 rgba(26,60,50,.04);
}
.site-nav::after{
 content:"";display:block;height:2px;
 background:linear-gradient(90deg,var(--sprout),var(--clay));
}
.nav-inner{display:flex;align-items:center;gap:12px;min-height:74px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);min-height:44px}
.brand:hover{color:var(--ink)}
.brand-mark{
 width:42px;height:42px;border-radius:12px;flex:0 0 42px;
 background:var(--brand);display:grid;place-items:center;
 box-shadow:0 8px 16px rgba(18,26,22,.12);
}
.brand-name{font-family:var(--font-serif);font-weight:600;font-size:16px;line-height:1.25;max-width:9em}
.nav-links{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-links a,.nav-cats a{
 display:inline-flex;align-items:center;min-height:44px;padding:0 12px;
 color:var(--ink);text-decoration:none;border-radius:12px;font-weight:500;
}
.nav-links a:hover,.nav-cats a:hover{background:var(--sprout-soft);color:var(--ink-deep)}
.nav-links a:active,.nav-cats a:active{background:#d5e6cf}
.nav-cats{display:flex;align-items:center;gap:4px}
.nav-cats a{color:var(--copper)}
.nav-cats a.active,.nav-cats a[aria-current="page"]{background:var(--ink);color:var(--ivory)}
.nav-cats a.active:hover{background:var(--ink-deep);color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px}
.menu-btn{
 display:none;min-width:44px;min-height:44px;border-radius:12px;
 border:1px solid rgba(26,60,50,.2);background:#fff;color:var(--ink);
 align-items:center;justify-content:center;margin-left:auto;
}
.menu-btn span,.menu-btn span::before,.menu-btn span::after{
 display:block;width:18px;height:2px;background:var(--ink);position:relative;
}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0}
.menu-btn span::before{top:-6px}
.menu-btn span::after{top:6px}
.btn-brand,.btn-ghost{
 display:inline-flex;align-items:center;justify-content:center;
 min-height:44px;padding:0 18px;border-radius:var(--btn-radius);
 font-weight:700;text-decoration:none;border:1px solid transparent;
 transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease;
}
.btn-brand{background:var(--brand);color:#F7F3EA;box-shadow:0 10px 22px rgba(22,56,44,.18)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 16px 28px rgba(22,56,44,.24)}
.btn-brand:active{transform:translateY(0);filter:brightness(1)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--sprout-soft);color:var(--ink-deep)}
.btn-ghost:active{background:#d5e6cf}
.offcanvas{background:var(--ivory);color:var(--text)}
.offcanvas .nav-links,.offcanvas .nav-cats{display:flex;flex-direction:column;align-items:stretch;margin:0 0 8px}
.offcanvas .nav-actions{flex-direction:column;align-items:stretch;margin-top:auto;padding-top:16px;gap:10px}
.offcanvas .nav-actions a{width:100%}
.offcanvas a{border-radius:12px}
.btn-close:focus{box-shadow:0 0 0 .2rem rgba(26,60,50,.28)}
main{padding-top:98px}
.sec{padding:72px 0}
.sec-head{padding:28px 0 12px}
.sec-metric{padding-top:20px;padding-bottom:36px}
.sec-filter{padding:28px 0;background:rgba(255,253,248,.72);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-list{padding-top:48px}
.sec-guide{padding-top:24px;background:linear-gradient(180deg,transparent,rgba(125,170,106,.12) 40%,transparent)}
.sec-points{padding-top:36px}
.sec-more{padding:36px 0}
.sec-tip{padding-top:12px;padding-bottom:80px}
.cat-bar{
 display:flex;align-items:center;justify-content:space-between;gap:24px;
 background:#fffdf8;border:1px solid var(--line);border-radius:var(--radius);
 padding:28px 32px;box-shadow:var(--shadow);
}
.cat-bar h1{font-size:clamp(28px,4vw,40px);text-align:left;margin-bottom:8px}
.kicker{margin:0 0 6px;color:var(--copper);font-weight:700;font-size:13px;letter-spacing:.04em}
.score-badge{
 display:inline-flex;align-items:center;gap:6px;
 min-height:40px;padding:6px 14px;
 background:var(--char);color:var(--ivory);
 border:1px solid var(--copper);border-radius:999px;
 font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
 white-space:nowrap;
}
.score-badge b{font-weight:700;font-size:18px}
.metric-row{display:flex;flex-wrap:wrap;gap:12px}
.metric-row .score-badge{min-height:48px;padding:8px 16px}
.filter-board{display:flex;flex-direction:column;gap:14px}
.filter-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.filter-line span{min-width:72px;color:var(--copper);font-weight:700}
.filter-btn{
 min-height:44px;padding:0 16px;border-radius:999px;cursor:pointer;
 border:1px solid rgba(26,60,50,.2);background:#fff;color:var(--ink);font-weight:500;
 transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.filter-btn:hover{background:var(--sprout-soft)}
.filter-btn.is-on{background:var(--ink);color:var(--ivory);border-color:var(--ink)}
.filter-btn.is-on:hover{background:var(--ink-deep);color:#fff}
.list-stack{display:flex;flex-direction:column;gap:16px}
.list-row{
 display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:16px;align-items:center;
 background:#fffdf8;border:1px solid var(--line);border-radius:20px;padding:18px 20px;
 box-shadow:0 8px 20px rgba(18,26,22,.04);
 transition:transform .2s ease,box-shadow .2s ease;
}
.list-row:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(18,26,22,.08)}
.list-row h3{font-size:20px;margin:0 0 4px}
.list-row h3 a{text-decoration:none}
.list-row h3 a:hover{text-decoration:underline}
.list-row p{margin:0;color:var(--muted)}
.date-badge{
 display:inline-flex;align-items:center;justify-content:center;
 min-width:72px;min-height:36px;padding:0 10px;border-radius:999px;
 background:var(--char);color:var(--ivory);border:1px solid var(--copper);
 font-variant-numeric:tabular-nums;font-size:14px;
}
.continue-mark{margin:8px 0 0;padding-top:8px}
.continue-mark h2{font-size:22px}
.guide-card{
 display:flex;align-items:center;justify-content:space-between;gap:28px;
 background:#fffdf8;border:1px solid var(--line);border-radius:var(--radius);
 padding:32px;box-shadow:var(--shadow);
}
.guide-card h2{font-size:clamp(24px,3vw,32px)}
.guide-copy p{margin:0;color:var(--muted);max-width:62ch}
.chip{
 display:inline-flex;align-items:center;min-height:32px;padding:0 12px;margin-bottom:10px;
 border-radius:999px;background:var(--sprout-soft);color:var(--ink);font-weight:700;font-size:13px;
}
.point-stack{display:flex;flex-direction:column;gap:12px}
.compare-row{
 display:grid;grid-template-columns:140px 1fr;gap:16px;align-items:center;
 background:#fffdf8;border:1px solid var(--line);border-radius:18px;padding:16px 18px;
}
.compare-row b{color:var(--copper);font-weight:700}
.compare-row span{color:var(--text)}
.more-bar,.ivory-tip{
 display:flex;align-items:center;justify-content:space-between;gap:20px;
 border-radius:var(--radius);padding:28px 32px;border:1px solid var(--line);
}
.more-bar{background:rgba(255,253,248,.88)}
.more-bar p,.ivory-tip p{margin:0;color:var(--muted)}
.ivory-tip{background:var(--ivory);box-shadow:var(--shadow)}
.sec-title{font-size:28px;margin-bottom:16px}
.site-footer{background:var(--char);color:var(--ivory);padding:48px 0 28px}
.site-footer a{color:var(--ivory);text-decoration:none}
.site-footer a:hover{color:#fff}
.site-footer .brand,.site-footer .brand-name{color:var(--ivory)}
.foot-top,.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px}
.foot-links{display:flex;gap:8px;flex-wrap:wrap}
.foot-links a{min-height:44px;display:inline-flex;align-items:center;padding:0 10px;border-radius:12px}
.foot-links a:hover{background:rgba(247,243,234,.08)}
.foot-bottom{
 margin-top:28px;padding-top:18px;
 border-top:1px solid rgba(247,243,234,.12);
 color:rgba(247,243,234,.78);font-size:14px;
}
.domain-text{color:rgba(247,243,234,.78)}
@media(max-width:1199.98px){
 .brand-name{font-size:14px}
 .nav-links a,.nav-cats a{padding:0 8px;font-size:14px}
}
@media(max-width:991.98px){
 .site-nav .nav-links,.site-nav .nav-cats,.site-nav .nav-actions{display:none}
 .menu-btn{display:inline-flex}
 .sec{padding:40px 0}
 .sec-head{padding-top:20px}
 .sec-tip{padding-bottom:48px}
}
@media(max-width:767.98px){
 .cat-bar,.guide-card,.more-bar,.ivory-tip,.foot-top,.foot-bottom{flex-direction:column;align-items:flex-start}
 .list-row{grid-template-columns:1fr}
 .metric-row .score-badge{width:calc(50% - 6px);justify-content:center}
}
@media(max-width:575.98px){
 .metric-row .score-badge{width:100%}
 .compare-row{grid-template-columns:1fr;gap:4px}
 .cat-bar,.guide-card,.ivory-tip,.more-bar{padding:22px}
 .wrap{width:min(1140px,calc(100% - 24px))}
}

/* roulang page: category2 */
:root{
 --ink:#1A3C32;
 --ink-deep:#16382C;
 --sprout:#7DAA6A;
 --sprout-soft:#E4EFE0;
 --clay:#C4622D;
 --copper:#8C6239;
 --ivory:#F7F3EA;
 --mist:#E7EEE6;
 --char:#121A16;
 --text:#1C2822;
 --muted:#5C6B63;
 --line:rgba(26,60,50,.08);
 --shadow:0 18px 40px rgba(18,26,22,.08);
 --radius:28px;
 --btn-radius:16px;
 --brand:linear-gradient(135deg,#16382C 0%,#1F6A4A 52%,#C4622D 100%);
 --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
 --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
 --bs-body-color:#1C2822;
 --bs-body-bg:transparent;
 --bs-primary:#1A3C32;
 --bs-link-color:#1A3C32;
 --bs-link-hover-color:#16382C;
 --bs-focus-ring-color:rgba(26,60,50,.35);
 --bs-border-color:rgba(26,60,50,.16);
}
html{scroll-behavior:smooth}
*,*::before,*::after{box-sizing:border-box}
body{
 margin:0;
 font-family:var(--font-sans);
 font-size:16px;
 line-height:1.8;
 color:var(--text);
 background:linear-gradient(180deg,var(--ivory) 0%,var(--mist) 100%);
 background-attachment:fixed;
 overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--ink-deep)}
button,input,textarea{font-family:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;line-height:1.35;color:var(--ink);letter-spacing:0}
h1{font-size:clamp(28px,4vw,40px);margin:0 0 10px}
h2{font-size:clamp(22px,2.4vw,30px);margin:0 0 18px}
h3{font-size:20px;margin:0 0 8px}
p{margin:0 0 1em}
.lead-copy{color:var(--muted);max-width:68ch;margin:0}
.wrap,.container{width:min(1140px,calc(100% - 32px));margin-inline:auto}
.container{padding-left:0;padding-right:0}
.site-nav{
 position:fixed;top:0;left:0;right:0;z-index:1040;
 background:var(--ivory);
 box-shadow:0 1px 0 rgba(26,60,50,.04);
}
.site-nav::after{
 content:"";display:block;height:2px;
 background:linear-gradient(90deg,var(--sprout),var(--clay));
}
.nav-inner{display:flex;align-items:center;gap:16px;min-height:74px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);min-height:44px}
.brand:hover{color:var(--ink)}
.brand-mark{
 width:42px;height:42px;border-radius:12px;flex:0 0 42px;
 background:var(--brand);display:grid;place-items:center;
 box-shadow:0 8px 16px rgba(18,26,22,.12);
}
.brand-name{font-family:var(--font-serif);font-weight:600;font-size:16px;line-height:1.25}
.nav-links{display:flex;align-items:center;gap:6px;margin:0 auto}
.nav-links a,.nav-cats a{
 display:inline-flex;align-items:center;min-height:44px;padding:0 12px;
 color:var(--ink);text-decoration:none;border-radius:12px;font-weight:500;
}
.nav-links a:hover,.nav-cats a:hover{background:var(--sprout-soft);color:var(--ink-deep)}
.nav-links a:active,.nav-cats a:active{background:#d5e6cf}
.nav-cats{display:flex;align-items:center;gap:4px}
.nav-cats a{color:var(--copper)}
.nav-cats a.active{background:var(--ink);color:#F7F3EA}
.nav-cats a.active:hover{background:var(--ink-deep);color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px}
.menu-btn{
 display:none;min-width:44px;min-height:44px;border-radius:12px;
 border:1px solid rgba(26,60,50,.2);background:#fff;color:var(--ink);
 align-items:center;justify-content:center;
}
.menu-btn span,.menu-btn span::before,.menu-btn span::after{
 display:block;width:18px;height:2px;background:var(--ink);position:relative;
}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0}
.menu-btn span::before{top:-6px}
.menu-btn span::after{top:6px}
.btn-brand,.btn-ghost{
 display:inline-flex;align-items:center;justify-content:center;
 min-height:44px;padding:0 18px;border-radius:var(--btn-radius);
 font-weight:700;text-decoration:none;border:1px solid transparent;
 transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease;
 cursor:pointer;
}
.btn-brand{background:var(--brand);color:#F7F3EA;box-shadow:0 10px 22px rgba(22,56,44,.18)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 16px 28px rgba(22,56,44,.24)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--sprout-soft);color:var(--ink-deep)}
.btn-ghost:focus-visible,.btn-brand:focus-visible,.menu-btn:focus-visible,a:focus-visible,.switch:focus-visible,.form-control:focus-visible{
 outline:2px solid var(--ink);outline-offset:2px;
}
.offcanvas{background:var(--ivory);color:var(--text);width:min(360px,92vw)}
.offcanvas-header{border-bottom:1px solid var(--line);min-height:64px}
.offcanvas .nav-links,.offcanvas .nav-cats{display:flex;flex-direction:column;align-items:stretch;margin:0 0 8px}
.offcanvas .nav-actions{flex-direction:column;align-items:stretch;margin-top:auto;padding-top:16px;gap:10px}
.offcanvas .nav-actions a{width:100%}
.btn-close{min-width:44px;min-height:44px}
main{padding-top:98px}
.block{padding:36px 0}
.kicker{
 display:inline-flex;align-items:center;gap:8px;
 color:var(--copper);font-weight:700;font-size:13px;margin-bottom:8px;
}
.head-bar{
 display:flex;align-items:flex-end;justify-content:space-between;gap:28px;
 background:#fffdf8;border:1px solid var(--line);border-radius:var(--radius);
 padding:28px 32px;box-shadow:var(--shadow);
}
.score{
 display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;
 background:var(--char);color:var(--ivory);
 border:1px solid var(--copper);border-radius:999px;
 padding:8px 14px;font-variant-numeric:tabular-nums;font-size:14px;min-height:44px;
}
.score b{font-weight:700;color:#fff;font-size:18px}
.switch-row{display:flex;flex-wrap:wrap;gap:12px}
.switch{
 min-height:44px;padding:8px 16px;border-radius:999px;cursor:pointer;
 background:var(--char);color:var(--ivory);border:1px solid var(--copper);
 font-weight:700;transition:transform .2s ease,background .2s ease,color .2s ease;
}
.switch small{display:block;font-weight:500;color:rgba(247,243,234,.72);font-size:12px}
.switch.is-on,.switch:hover{background:var(--ink);color:#F7F3EA;transform:translateY(-2px)}
.switch.is-on{box-shadow:0 10px 22px rgba(22,56,44,.18)}
.scene-card{
 background:#fffdf8;border:1px solid var(--line);border-radius:var(--radius);
 padding:28px 32px;box-shadow:var(--shadow);height:100%;
 display:flex;flex-direction:column;gap:8px;
 transition:transform .2s ease,box-shadow .2s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:0 22px 44px rgba(18,26,22,.1)}
.scene-index{
 font-variant-numeric:tabular-nums;color:var(--copper);font-weight:700;font-size:13px;
}
.scene-card p{color:var(--muted);margin:0;flex:1}
.card-link{
 align-self:flex-start;font-weight:700;text-decoration:none;
 border-bottom:1px solid rgba(196,98,45,.45);padding-bottom:2px;min-height:44px;
 display:inline-flex;align-items:center;
}
.card-link:hover{color:var(--clay)}
.more-row{margin-top:24px}
.spec-panel{
 background:var(--char);color:var(--ivory);border-radius:var(--radius);
 padding:28px 32px;box-shadow:var(--shadow);
 border:1px solid rgba(140,98,57,.45);
}
.spec-panel h2{color:#F7F3EA}
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.spec-item{padding-top:8px;border-top:2px solid var(--clay)}
.spec-item h3{color:#F7F3EA;font-size:18px}
.spec-item p{color:rgba(247,243,234,.84);margin:0}
.quote-card{
 background:#fffdf8;border-radius:var(--radius);padding:28px 32px;
 border:1px solid var(--line);box-shadow:var(--shadow);height:100%;
 border-top:4px solid var(--clay);
}
.quote-card p{font-family:var(--font-serif);font-size:20px;line-height:1.6;color:var(--ink);margin:0 0 16px}
.quote-card span{color:var(--muted);font-size:14px}
.news-list{background:#fffdf8;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:8px 28px}
.news-row{
 display:flex;gap:16px;align-items:center;min-height:72px;
 padding:12px 0;border-bottom:1px solid var(--line);text-decoration:none;
}
.news-list .news-row:last-child{border-bottom:0}
.news-row:hover .news-title{color:var(--clay)}
.date-badge{
 min-width:88px;text-align:center;background:var(--char);color:var(--ivory);
 border:1px solid var(--copper);border-radius:16px;padding:8px 10px;
 font-variant-numeric:tabular-nums;font-size:13px;line-height:1.35;
}
.news-title{font-weight:700;color:var(--ink);font-size:17px}
.more-bar{
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 background:#fffdf8;border:1px dashed rgba(26,60,50,.28);border-radius:var(--radius);
 padding:22px 28px;
}
.more-bar p{margin:0;color:var(--muted)}
.form-card{
 background:#fffdf8;border:1px solid var(--line);border-radius:var(--radius);
 padding:28px 32px;box-shadow:var(--shadow);
}
.form-label{font-weight:700;color:var(--ink);margin-bottom:6px}
.form-control{
 background:var(--ivory);border-radius:12px;border:1px solid rgba(26,60,50,.18);
 min-height:48px;color:var(--text);padding:10px 14px;
}
textarea.form-control{min-height:140px;resize:vertical}
.form-control:focus{
 border-color:var(--ink);box-shadow:0 0 0 .2rem rgba(26,60,50,.18);background:#fff;
}
.form-note{
 border-radius:16px;padding:12px 16px;margin-bottom:16px;
 background:var(--sprout-soft);color:var(--ink-deep);font-weight:700;
}
.form-note.warn{background:#F6E4D8;color:#6d3416}
.site-footer{background:var(--char);color:var(--ivory);padding:36px 0 28px;margin-top:12px}
.site-footer a{color:var(--ivory);text-decoration:none}
.site-footer a:hover{color:#fff}
.foot-top{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-bottom:18px;border-bottom:1px solid rgba(247,243,234,.12)}
.foot-links{display:flex;gap:8px;flex-wrap:wrap}
.foot-links a{min-height:44px;display:inline-flex;align-items:center;padding:0 10px;border-radius:12px}
.foot-links a:hover{background:rgba(247,243,234,.08)}
.foot-bottom{display:flex;justify-content:space-between;gap:12px;padding-top:16px;color:rgba(247,243,234,.78);font-size:14px}
.domain-text{font-variant-numeric:tabular-nums}
.icon-line{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;background:var(--sprout-soft);margin-bottom:8px}
@media (max-width:991.98px){
 .nav-inner > .nav-links,.nav-inner > .nav-cats,.nav-inner > .nav-actions{display:none}
 .menu-btn{display:inline-flex;margin-left:auto}
 .head-bar,.more-bar{flex-direction:column;align-items:flex-start}
 .spec-grid{grid-template-columns:1fr}
}
@media (max-width:767.98px){
 .block{padding:20px 0}
 .head-bar,.scene-card,.spec-panel,.quote-card,.form-card,.news-list{padding:22px}
 .brand-name{font-size:14px}
 .news-row{align-items:flex-start;flex-direction:column;gap:8px}
}
@media (max-width:575.98px){
 .foot-top,.foot-bottom{flex-direction:column;align-items:flex-start}
 .switch{width:100%;justify-content:flex-start}
}
@media (prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}
 *{transition:none !important}
}

/* 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}