/* roulang page: index */
:root{
      --ink:#29252f;
      --ink-soft:#6f6877;
      --paper:#fffafc;
      --mist:#f4edf6;
      --panel:#ffffff;
      --line:#e7dce9;
      --purple:#8954a8;
      --purple-dark:#63347c;
      --plum:#38263f;
      --berry:#bd6289;
      --mint:#7da99c;
      --gold:#d9a85d;
      --danger:#bd6578;
      --shadow:0 18px 45px rgba(79,43,89,.11);
      --shadow-sm:0 8px 22px rgba(79,43,89,.08);
      --radius-xl:30px;
      --radius-lg:22px;
      --radius-md:15px;
      --ease:all .25s ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--purple-dark)}
    img{max-width:100%;display:block;object-fit:cover}
    button,input,select,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(137,84,168,.28);outline-offset:3px}
    .container{max-width:1180px;padding-left:22px;padding-right:22px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,252,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(231,220,233,.82)}
    .navbar{min-height:78px}
    .brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;font-size:18px;color:var(--plum);white-space:nowrap}
    .brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--purple),var(--berry));display:grid;place-items:center;color:#fff;box-shadow:0 7px 16px rgba(137,84,168,.25);font-size:17px}
    .navbar-nav{gap:7px}
    .nav-link{color:var(--ink-soft)!important;padding:9px 14px!important;border-radius:999px;font-size:14px}
    .nav-link:hover,.nav-link.active{background:var(--mist);color:var(--purple-dark)!important}
    .language-pill{display:flex;gap:3px;align-items:center;border:1px solid var(--line);border-radius:999px;padding:3px;background:#fff;font-size:12px;margin-left:10px}
    .language-pill span{padding:5px 10px;border-radius:999px;color:var(--ink-soft)}
    .language-pill .selected{background:var(--plum);color:#fff}
    .navbar-toggler{border:1px solid var(--line);border-radius:11px;padding:7px 10px}
    .navbar-toggler:focus{box-shadow:none}
    .hero{padding:76px 0 40px;background:radial-gradient(circle at 82% 17%,rgba(189,98,137,.16),transparent 28%),linear-gradient(180deg,#fffafd 0%,#f7eff8 100%);overflow:hidden}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--purple-dark);font-weight:800}
    .hero h1{font-size:clamp(40px,6vw,76px);line-height:1.08;letter-spacing:-.075em;margin:15px 0 24px;color:var(--plum);max-width:760px}
    .hero h1 em{font-style:normal;color:var(--purple)}
    .hero-copy{font-size:18px;color:var(--ink-soft);max-width:650px;margin-bottom:30px}
    .btn-main,.btn-soft{border-radius:999px;padding:13px 22px;font-weight:700;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px}
    .btn-main{color:#fff;background:linear-gradient(105deg,var(--purple-dark),var(--berry));box-shadow:0 10px 22px rgba(137,84,168,.22)}
    .btn-main:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06)}
    .btn-soft{color:var(--purple-dark);border-color:var(--line);background:#fff}
    .btn-soft:hover{background:var(--mist);transform:translateY(-2px)}
    .btn-main:active,.btn-soft:active{transform:translateY(0)}
    .stage{position:relative;min-height:290px;margin:25px auto 0;max-width:920px;border:1px solid rgba(137,84,168,.22);border-radius:var(--radius-xl);background:linear-gradient(135deg,#3a2842,#684779 60%,#9a5c89);box-shadow:var(--shadow);padding:25px;overflow:hidden}
    .stage::before,.stage::after{content:"";position:absolute;border:1px solid rgba(255,255,255,.18);border-radius:50%;width:380px;height:380px;right:-90px;top:-165px}
    .stage::after{width:230px;height:230px;right:70px;top:-80px}
    .stage-top{display:flex;justify-content:space-between;position:relative;z-index:1;color:rgba(255,255,255,.7);font-size:11px;letter-spacing:.14em}
    .stage-center{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;min-height:205px}
    .stage-word{font-size:clamp(38px,7vw,82px);font-weight:900;line-height:1;color:#fff;letter-spacing:-.1em;text-shadow:0 8px 25px rgba(0,0,0,.18)}
    .stage-word span{color:#f0c5dd}
    .stage-caption{position:absolute;bottom:24px;left:26px;color:rgba(255,255,255,.72);font-size:13px}
    .metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:18px}
    .metric{background:#fff;border:1px solid var(--line);border-radius:18px;padding:15px 16px;box-shadow:var(--shadow-sm)}
    .metric small{display:block;color:var(--ink-soft);font-size:12px;margin-bottom:3px}
    .metric strong{font-size:25px;color:var(--plum);line-height:1.2}
    .status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--mint);margin-right:5px}
    .tag-rail{display:flex;gap:9px;overflow:auto;padding:27px 0 5px;white-space:nowrap}
    .tag{display:inline-flex;align-items:center;padding:7px 13px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink-soft);font-size:13px}
    .section{padding:86px 0}
    .section.alt{background:var(--mist)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:34px}
    .section h2{font-size:clamp(28px,4vw,46px);letter-spacing:-.06em;line-height:1.2;color:var(--plum);margin:9px 0 0}
    .section-intro{max-width:590px;color:var(--ink-soft);margin:0}
    .matrix{display:grid;grid-template-columns:1.35fr .8fr .8fr;grid-template-rows:auto auto;gap:16px}
    .matrix-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:25px;position:relative;overflow:hidden;min-height:190px;box-shadow:var(--shadow-sm);transition:var(--ease)}
    .matrix-card:hover,.resource-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .matrix-card.primary{grid-row:span 2;background:linear-gradient(145deg,#fff,#f0e4f3)}
    .matrix-card.primary::after{content:"✦";position:absolute;right:24px;bottom:8px;font-size:88px;color:rgba(137,84,168,.11)}
    .index{font-size:11px;letter-spacing:.12em;color:var(--purple);font-weight:800}
    .card-title{font-size:22px;font-weight:800;color:var(--plum);margin:18px 0 9px;letter-spacing:-.04em}
    .matrix-card p{font-size:14px;color:var(--ink-soft);max-width:380px}
    .card-foot{position:absolute;bottom:20px;left:25px;right:25px;display:flex;justify-content:space-between;align-items:center}
    .badge-soft{border-radius:999px;padding:5px 9px;background:#f2e7f5;color:var(--purple-dark);font-size:11px;font-weight:700}
    .arrow-link{font-size:13px;color:var(--purple-dark);font-weight:800}
    .resource-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
    .resource-feature{border-radius:var(--radius-xl);padding:32px;background:var(--plum);color:#fff;min-height:340px;position:relative;overflow:hidden}
    .resource-feature::after{content:"丁香";position:absolute;right:-13px;bottom:-42px;color:rgba(255,255,255,.08);font-size:180px;font-weight:900;line-height:1}
    .resource-feature h3{font-size:32px;line-height:1.25;letter-spacing:-.05em;max-width:440px;margin:30px 0 14px;position:relative;z-index:1}
    .resource-feature p{color:rgba(255,255,255,.72);max-width:470px;position:relative;z-index:1}
    .resource-list{display:flex;flex-direction:column;gap:12px}
    .resource-item{display:flex;justify-content:space-between;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 20px;transition:var(--ease)}
    .resource-item h4{font-size:17px;margin:0 0 4px;color:var(--plum)}
    .resource-item p{font-size:13px;margin:0;color:var(--ink-soft)}
    .resource-meta{flex:0 0 auto;text-align:right;color:var(--ink-soft);font-size:11px}
    .updates{display:grid;grid-template-columns:.7fr 1.3fr;gap:18px;align-items:stretch}
    .update-summary{border-radius:var(--radius-xl);padding:28px;background:#eaddeb;border:1px solid #dfcbe3}
    .update-summary strong{display:block;font-size:54px;color:var(--purple-dark);line-height:1;margin:24px 0 10px}
    .update-summary p{color:var(--ink-soft);font-size:14px}
    .update-links{background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);padding:12px 26px}
    .update-row{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
    .update-row:last-child{border-bottom:0}
    .update-row a{font-weight:700;color:var(--plum)}
    .update-row small{color:var(--ink-soft);white-space:nowrap}
    .compare{display:grid;grid-template-columns:1fr 70px 1fr;align-items:stretch;gap:15px}
    .compare-panel{border:1px solid var(--line);border-radius:var(--radius-xl);padding:30px;background:#fff}
    .compare-panel.after{background:linear-gradient(145deg,#fff,#f3e8f5);border-color:#d9c1df}
    .compare-label{display:inline-flex;border-radius:999px;padding:6px 11px;font-size:12px;font-weight:800;background:#f0e9f1;color:var(--ink-soft)}
    .after .compare-label{background:var(--purple);color:#fff}
    .compare-panel h3{font-size:25px;color:var(--plum);margin:25px 0 12px}
    .compare-panel p{color:var(--ink-soft);font-size:14px}
    .compare-list{list-style:none;padding:0;margin:20px 0 0}
    .compare-list li{padding:9px 0;border-top:1px solid var(--line);font-size:14px}
    .compare-list li::before{content:"✓";color:var(--mint);font-weight:900;margin-right:9px}
    .compare-bridge{display:grid;place-items:center;color:var(--purple);font-size:25px;font-weight:900}
    .accordion{--bs-accordion-border-color:var(--line);--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-active-color:var(--plum);--bs-accordion-active-bg:#f5edf7;display:grid;gap:10px}
    .accordion-item{border:1px solid var(--line)!important;border-radius:16px!important;overflow:hidden;background:#fff}
    .accordion-button{font-weight:800;color:var(--plum);padding:20px 22px;background:#fff}
    .accordion-button:not(.collapsed){box-shadow:none}
    .accordion-body{color:var(--ink-soft);font-size:14px;padding:0 22px 20px}
    .form-zone{background:linear-gradient(135deg,#3a2842,#654375);color:#fff;border-radius:var(--radius-xl);padding:42px}
    .form-zone h2{color:#fff;margin-top:8px}
    .form-zone .section-intro{color:rgba(255,255,255,.72)}
    .form-panel{background:#fff;border-radius:22px;padding:25px;color:var(--ink)}
    .form-label{font-size:13px;font-weight:800;color:var(--plum);margin-bottom:7px}
    .form-control,.form-select{border:1px solid var(--line);border-radius:12px;min-height:48px;padding:11px 14px;background:#fff}
    .form-control:focus,.form-select:focus{border-color:var(--purple);box-shadow:0 0 0 4px rgba(137,84,168,.12)}
    .form-note{font-size:12px;color:var(--ink-soft);margin:14px 0 0}
    .site-footer{background:#29202d;color:rgba(255,255,255,.7);padding:42px 0 25px}
    .site-footer .brand{color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.13)}
    .footer-title{font-size:13px;color:#fff;font-weight:800;margin-bottom:14px}
    .footer-links{display:flex;flex-direction:column;gap:8px;font-size:13px}
    .footer-links a:hover{color:#f1c9e0}
    .copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;font-size:12px;color:rgba(255,255,255,.48)}
    .text-purple{color:var(--purple-dark)}
    @media(max-width:991px){
      .navbar-nav{padding:16px 0}
      .language-pill{width:max-content;margin:4px 0 12px}
      .matrix{grid-template-columns:1fr 1fr}
      .matrix-card.primary{grid-column:span 2;grid-row:auto}
      .resource-layout,.updates{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
    }
    @media(max-width:767px){
      .hero{padding-top:48px}
      .hero h1{font-size:44px}
      .hero-copy{font-size:16px}
      .metric-strip{display:flex;overflow:auto;padding-bottom:5px}
      .metric{min-width:145px}
      .section{padding:60px 0}
      .section-head{display:block;margin-bottom:25px}
      .section-intro{margin-top:13px}
      .matrix{display:block}
      .matrix-card{margin-bottom:14px;min-height:190px}
      .matrix-card.primary{min-height:230px}
      .compare{display:flex;flex-direction:column}
      .compare-bridge{height:28px;transform:rotate(90deg)}
      .form-zone{padding:25px 18px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:span 2}
      .copyright{display:block}
      .copyright span{display:block;margin-top:7px}
    }
    @media(max-width:520px){
      .container{padding-left:16px;padding-right:16px}
      .brand{font-size:15px}
      .brand-mark{width:32px;height:32px}
      .stage{padding:18px;min-height:245px}
      .stage-center{min-height:160px}
      .stage-word{font-size:46px}
      .stage-caption{left:19px;bottom:17px}
      .resource-feature{padding:25px;min-height:300px}
      .resource-feature h3{font-size:27px}
      .resource-item{align-items:flex-start;padding:16px}
      .resource-meta{font-size:10px}
      .update-row{display:block}
      .update-row small{display:block;margin-top:4px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .btn-main,.btn-soft{width:100%}
    }

/* roulang page: category1 */
:root{
 --ink:#29252f;--ink-soft:#6f6877;--paper:#fffafc;--mist:#f4edf6;--panel:#fff;
 --line:#e7dce9;--purple:#8954a8;--purple-dark:#63347c;--plum:#38263f;
 --berry:#bd6289;--mint:#7da99c;--gold:#d9a85d;--danger:#bd6578;
 --shadow:0 18px 45px rgba(79,43,89,.11);--shadow-sm:0 8px 22px rgba(79,43,89,.08);
 --radius-xl:30px;--radius-lg:22px;--radius-md:15px;--ease:all .25s ease
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none;transition:var(--ease)}
a:hover{color:var(--purple-dark)}
img{max-width:100%;display:block;object-fit:cover}
button,input,select,textarea{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(137,84,168,.3);outline-offset:3px}
.container{max-width:1180px;padding-left:22px;padding-right:22px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,252,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(231,220,233,.82)}
.navbar{min-height:78px}
.brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;font-size:18px;color:var(--plum);white-space:nowrap}
.brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--purple),var(--berry));display:grid;place-items:center;color:#fff;box-shadow:0 7px 16px rgba(137,84,168,.25);font-size:17px}
.navbar-nav{gap:7px}
.nav-link{color:var(--ink-soft)!important;padding:9px 14px!important;border-radius:999px;font-size:14px}
.nav-link:hover,.nav-link.active{background:var(--mist);color:var(--purple-dark)!important}
.language-pill{display:flex;gap:3px;align-items:center;border:1px solid var(--line);border-radius:999px;padding:3px;background:#fff;font-size:12px;margin-left:10px}
.language-pill span{padding:5px 10px;border-radius:999px;color:var(--ink-soft)}
.language-pill .selected{background:var(--plum);color:#fff}
.navbar-toggler{border:1px solid var(--line);border-radius:11px;padding:7px 10px}
.navbar-toggler:focus{box-shadow:none}
.navbar-toggler-icon{background-image:var(--bs-navbar-toggler-icon-bg)}
.hero{padding:62px 0 42px;background:radial-gradient(circle at 82% 18%,rgba(189,98,137,.18),transparent 27%),linear-gradient(180deg,#fffafd,#f6eef8)}
.crumbs{font-size:13px;color:var(--ink-soft);margin-bottom:30px}
.crumbs a{color:var(--purple-dark);font-weight:700}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--purple-dark);font-weight:800}
.hero h1{font-size:clamp(38px,5.5vw,70px);line-height:1.1;letter-spacing:-.075em;margin:15px 0 20px;color:var(--plum)}
.hero h1 em{font-style:normal;color:var(--purple)}
.hero-copy{font-size:18px;color:var(--ink-soft);max-width:620px;margin-bottom:28px}
.btn-main,.btn-soft{border-radius:999px;padding:12px 21px;font-weight:700;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:47px}
.btn-main{color:#fff;background:linear-gradient(105deg,var(--purple-dark),var(--berry));box-shadow:0 10px 22px rgba(137,84,168,.22)}
.btn-main:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06)}
.btn-soft{color:var(--purple-dark);border-color:var(--line);background:#fff}
.btn-soft:hover{background:var(--mist);transform:translateY(-2px)}
.btn-main:active,.btn-soft:active{transform:translateY(0)}
.video-stage{min-height:355px;border-radius:var(--radius-xl);position:relative;overflow:hidden;background:linear-gradient(145deg,#3a2842,#714b7f 58%,#b86c91);box-shadow:var(--shadow);padding:24px;color:#fff}
.video-stage:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,transparent 28%,rgba(255,255,255,.1) 29%,transparent 30%),radial-gradient(circle at 70% 32%,rgba(245,200,222,.32),transparent 22%)}
.video-stage:after{content:"";position:absolute;width:250px;height:250px;border:1px solid rgba(255,255,255,.22);border-radius:50%;right:-50px;top:-45px;box-shadow:0 0 0 24px rgba(255,255,255,.05),0 0 0 48px rgba(255,255,255,.04)}
.stage-top{position:relative;z-index:1;display:flex;justify-content:space-between;font-size:11px;letter-spacing:.14em;color:rgba(255,255,255,.72)}
.play-button{position:absolute;z-index:2;left:50%;top:50%;transform:translate(-50%,-50%);width:76px;height:76px;border:1px solid rgba(255,255,255,.55);border-radius:50%;background:rgba(255,255,255,.17);color:#fff;font-size:25px;padding-left:5px;backdrop-filter:blur(8px);transition:var(--ease)}
.play-button:hover{background:#fff;color:var(--purple-dark);transform:translate(-50%,-50%) scale(1.04)}
.stage-caption{position:absolute;z-index:1;left:25px;bottom:23px;font-size:14px;color:rgba(255,255,255,.82)}
.stage-caption strong{display:block;color:#fff;font-size:21px;margin-bottom:3px}
.section{padding:78px 0}
.section.alt{background:var(--mist)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
.section h2{font-size:clamp(28px,4vw,45px);letter-spacing:-.06em;line-height:1.2;color:var(--plum);margin:8px 0 0}
.section-intro{max-width:560px;color:var(--ink-soft);margin:0}
.index-strip{display:flex;gap:10px;overflow:auto;padding:5px 0 15px;white-space:nowrap}
.filter-chip{border:1px solid var(--line);background:#fff;color:var(--ink-soft);border-radius:999px;padding:8px 15px;font-size:13px;transition:var(--ease)}
.filter-chip:hover,.filter-chip.active{background:var(--plum);border-color:var(--plum);color:#fff}
.content-layout{display:grid;grid-template-columns:245px 1fr;gap:28px;align-items:start}
.topic-panel{background:var(--plum);color:#fff;border-radius:var(--radius-lg);padding:25px;position:sticky;top:105px}
.topic-panel h3{font-size:21px;margin:12px 0 18px}
.topic-panel p{font-size:13px;color:rgba(255,255,255,.68);margin-bottom:20px}
.topic-list{list-style:none;padding:0;margin:0}
.topic-list li{border-top:1px solid rgba(255,255,255,.14)}
.topic-list a{display:flex;justify-content:space-between;padding:12px 0;color:rgba(255,255,255,.78);font-size:14px}
.topic-list a:hover{color:#fff;padding-left:5px}
.topic-list b{color:#e9b9d1;font-size:12px}
.resource-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px 27px;margin-bottom:15px;display:grid;grid-template-columns:55px 1fr auto;gap:18px;align-items:center;transition:var(--ease)}
.resource-item.featured{background:linear-gradient(120deg,#fff,#f0e2f3);padding-top:30px;padding-bottom:30px}
.item-no{font-size:13px;color:var(--berry);font-weight:900;letter-spacing:.1em}
.resource-item h3{font-size:21px;color:var(--plum);margin:0 0 6px;letter-spacing:-.035em}
.resource-item p{font-size:14px;color:var(--ink-soft);margin:0}
.badges{display:flex;gap:7px;flex-wrap:wrap;margin-top:11px}
.badge-soft{border-radius:999px;padding:4px 9px;background:#f2e7f5;color:var(--purple-dark);font-size:11px;font-weight:700}
.badge-mint{background:#e8f2ef;color:#477c70}
.arrow-link{font-size:13px;color:var(--purple-dark);font-weight:800;white-space:nowrap}
.note-band{border-radius:var(--radius-xl);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);padding:28px 32px;display:flex;justify-content:space-between;align-items:center;gap:25px}
.note-band strong{display:block;color:var(--plum);font-size:22px;margin-bottom:4px}
.note-band p{color:var(--ink-soft);margin:0;font-size:14px}
.accordion{--bs-accordion-border-color:var(--line);--bs-accordion-bg:#fff;--bs-accordion-btn-focus-box-shadow:none}
.accordion-item{border:1px solid var(--line)!important;border-radius:var(--radius-md)!important;overflow:hidden;margin-bottom:12px;box-shadow:var(--shadow-sm)}
.accordion-button{color:var(--plum);font-weight:800;padding:19px 22px;background:#fff}
.accordion-button:not(.collapsed){color:var(--purple-dark);background:#fbf5fc;box-shadow:none}
.accordion-button:after{background-size:14px}
.accordion-body{color:var(--ink-soft);font-size:14px;padding:0 22px 20px}
.cta{padding:72px 0;background:linear-gradient(135deg,#38263f,#654075);color:#fff}
.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{color:#fff;margin:9px 0 10px;font-size:clamp(28px,4vw,44px)}
.cta p{color:rgba(255,255,255,.72);max-width:600px;margin:0}
.form-panel{background:#fff;border-radius:var(--radius-xl);padding:28px;box-shadow:var(--shadow);color:var(--ink)}
.form-label{font-weight:700;font-size:13px;color:var(--plum)}
.form-control,.form-select{border:1px solid var(--line);border-radius:12px;padding:11px 13px;color:var(--ink);background:#fff}
.form-control:focus,.form-select:focus{border-color:var(--purple);box-shadow:0 0 0 4px rgba(137,84,168,.12)}
.form-hint{color:var(--ink-soft);font-size:12px}
.site-footer{background:#2d2133;color:rgba(255,255,255,.7);padding:48px 0 20px}
.site-footer .brand{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
.footer-title{color:#fff;font-weight:800;font-size:13px;margin-bottom:14px}
.footer-links{display:grid;gap:7px;font-size:13px}
.footer-links a:hover{color:#f0c5dd}
.copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:36px;padding-top:17px;display:flex;justify-content:space-between;gap:15px;font-size:12px}
@media(max-width:991px){.hero-grid{grid-template-columns:1fr;gap:20px}.content-layout{grid-template-columns:1fr}.topic-panel{position:static}.topic-list{display:flex;gap:18px;overflow:auto}.topic-list li{border:0;min-width:max-content}.topic-list a{padding:6px 0}.footer-grid{grid-template-columns:2fr 1fr 1fr}.cta-box{align-items:flex-start;flex-direction:column}}
@media(max-width:767px){.hero{padding-top:38px}.hero h1{font-size:44px}.hero-copy{font-size:16px}.video-stage{min-height:285px}.section{padding:58px 0}.section-head{display:block}.section-intro{margin-top:15px}.resource-item{grid-template-columns:38px 1fr}.resource-item .arrow-link{grid-column:2}.note-band{display:block;padding:25px}.note-band .btn-main{margin-top:18px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:6px}}
@media(max-width:520px){.container{padding-left:16px;padding-right:16px}.brand{font-size:15px}.brand-mark{width:32px;height:32px}.language-pill{margin:13px 0 8px;width:max-content}.navbar-nav{align-items:flex-start!important;padding-top:12px}.hero h1{font-size:38px}.video-stage{min-height:245px}.stage-caption strong{font-size:18px}.resource-item{padding:20px}.footer-grid{grid-template-columns:1fr}.btn-main,.btn-soft{width:100%}.hero .d-flex{display:grid!important;gap:10px!important}}

/* roulang page: category2 */
:root{
 --ink:#29252f;
 --ink-soft:#6f6877;
 --paper:#fffafc;
 --mist:#f4edf6;
 --panel:#ffffff;
 --line:#e7dce9;
 --purple:#8954a8;
 --purple-dark:#63347c;
 --plum:#38263f;
 --berry:#bd6289;
 --mint:#7da99c;
 --gold:#d9a85d;
 --danger:#bd6578;
 --shadow:0 18px 45px rgba(79,43,89,.11);
 --shadow-sm:0 8px 22px rgba(79,43,89,.08);
 --radius-xl:30px;
 --radius-lg:22px;
 --radius-md:15px;
 --ease:all .25s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none;transition:var(--ease)}
a:hover{color:var(--purple-dark)}
img{max-width:100%;display:block;object-fit:cover}
button,input,select,textarea{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(137,84,168,.28);outline-offset:3px}
.container{max-width:1180px;padding-left:22px;padding-right:22px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,252,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(231,220,233,.82)}
.navbar{min-height:78px}
.brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;font-size:18px;color:var(--plum);white-space:nowrap}
.brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--purple),var(--berry));display:grid;place-items:center;color:#fff;box-shadow:0 7px 16px rgba(137,84,168,.25);font-size:17px}
.navbar-nav{gap:7px}
.nav-link{color:var(--ink-soft)!important;padding:9px 14px!important;border-radius:999px;font-size:14px}
.nav-link:hover,.nav-link.active{background:var(--mist);color:var(--purple-dark)!important}
.language-pill{display:flex;gap:3px;align-items:center;border:1px solid var(--line);border-radius:999px;padding:3px;background:#fff;font-size:12px;margin-left:10px}
.language-pill span{padding:5px 10px;border-radius:999px;color:var(--ink-soft)}
.language-pill .selected{background:var(--plum);color:#fff}
.navbar-toggler{border:1px solid var(--line);border-radius:11px;padding:7px 10px}
.navbar-toggler:focus{box-shadow:none}
.navbar-toggler-icon{background-image:var(--bs-navbar-toggler-icon-bg)}
.breadcrumb-wrap{padding:26px 0 0}
.breadcrumb{margin:0;font-size:13px;color:var(--ink-soft)}
.breadcrumb-item+.breadcrumb-item::before{color:var(--berry)}
.breadcrumb-item.active{color:var(--purple-dark);font-weight:700}
.category-hero{padding:48px 0 58px;background:radial-gradient(circle at 87% 15%,rgba(189,98,137,.16),transparent 28%),linear-gradient(180deg,#fffafd 0%,#f7eff8 100%)}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--purple-dark);font-weight:800}
.category-hero h1{font-size:clamp(38px,5.3vw,68px);line-height:1.1;letter-spacing:-.075em;color:var(--plum);margin:14px 0 20px;max-width:780px}
.category-hero h1 em{font-style:normal;color:var(--purple)}
.hero-copy{font-size:18px;color:var(--ink-soft);max-width:690px;margin:0}
.hero-strip{margin-top:32px;display:flex;align-items:stretch;gap:12px;flex-wrap:wrap}
.stat-chip{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px 18px;min-width:145px;box-shadow:var(--shadow-sm)}
.stat-chip strong{display:block;font-size:24px;line-height:1.2;color:var(--plum)}
.stat-chip span{font-size:12px;color:var(--ink-soft)}
.status{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:6px 10px;background:#f1e6f4;color:var(--purple-dark);font-size:11px;font-weight:800}
.status::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mint)}
.index-section{padding:28px 0;background:#fff;border-bottom:1px solid var(--line)}
.index-row{display:flex;align-items:center;gap:22px}
.index-label{font-size:13px;font-weight:800;color:var(--plum);white-space:nowrap}
.topic-nav{display:flex;gap:8px;overflow:auto;white-space:nowrap;padding:2px}
.topic-link{border:1px solid var(--line);border-radius:999px;padding:8px 14px;color:var(--ink-soft);font-size:13px;background:var(--paper)}
.topic-link:hover,.topic-link.active{background:var(--plum);border-color:var(--plum);color:#fff}
.section{padding:78px 0}
.section.alt{background:var(--mist)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:32px}
.section h2{font-size:clamp(28px,4vw,44px);letter-spacing:-.06em;line-height:1.2;color:var(--plum);margin:9px 0 0}
.section-intro{max-width:560px;color:var(--ink-soft);margin:0}
.content-layout{display:grid;grid-template-columns:250px 1fr;gap:28px;align-items:start}
.side-panel{background:var(--plum);color:#fff;border-radius:var(--radius-lg);padding:24px;position:sticky;top:105px;box-shadow:var(--shadow)}
.side-panel h3{font-size:20px;margin:0 0 18px}
.side-panel p{font-size:13px;color:rgba(255,255,255,.68);margin-bottom:20px}
.side-list{list-style:none;padding:0;margin:0}
.side-list li+li{border-top:1px solid rgba(255,255,255,.14)}
.side-list a{display:flex;justify-content:space-between;padding:12px 0;color:rgba(255,255,255,.78);font-size:13px}
.side-list a:hover{color:#fff;padding-left:4px}
.side-list b{color:#f0c5dd;font-size:12px}
.entry-stack{display:grid;gap:14px}
.entry{display:grid;grid-template-columns:74px 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px 22px;transition:var(--ease)}
.entry:hover{transform:translateX(4px);box-shadow:var(--shadow-sm);border-color:#d6bddc}
.entry.featured{background:linear-gradient(105deg,#fff,#f1e4f4);padding:26px 22px}
.entry-number{width:52px;height:52px;border-radius:16px;background:var(--mist);display:grid;place-items:center;color:var(--purple-dark);font-weight:900;font-size:18px}
.entry h3{font-size:21px;color:var(--plum);margin:0 0 5px;letter-spacing:-.04em}
.entry p{font-size:14px;color:var(--ink-soft);margin:0}
.entry-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:9px}
.badge-soft{border-radius:999px;padding:4px 9px;background:#f2e7f5;color:var(--purple-dark);font-size:11px;font-weight:700}
.entry-action{color:var(--purple-dark);font-size:13px;font-weight:800;white-space:nowrap}
.moment-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
.moment-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;padding:25px;min-height:210px;position:relative;overflow:hidden;box-shadow:var(--shadow-sm)}
.moment-card.dark{background:var(--plum);color:#fff;border-color:var(--plum)}
.moment-card.dark h3,.moment-card.dark p{color:#fff}
.moment-card.dark p{color:rgba(255,255,255,.7)}
.moment-card h3{font-size:24px;color:var(--plum);margin:14px 0 9px}
.moment-card p{color:var(--ink-soft);font-size:14px;max-width:480px}
.moment-card::after{content:"✦";position:absolute;right:22px;bottom:-32px;font-size:130px;color:rgba(137,84,168,.1);line-height:1}
.moment-card.dark::after{color:rgba(255,255,255,.08)}
.number-tag{color:var(--berry);font-size:12px;font-weight:900;letter-spacing:.12em}
.compare{display:grid;grid-template-columns:1fr 64px 1fr;align-items:stretch;gap:16px}
.compare-card{border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;background:#fff}
.compare-card.highlight{background:#f4e9f5;border-color:#d9c0df}
.compare-card h3{font-size:23px;color:var(--plum);margin:12px 0}
.compare-card p{color:var(--ink-soft);font-size:14px}
.compare-card ul{list-style:none;margin:20px 0 0;padding:0}
.compare-card li{padding:9px 0;border-top:1px solid var(--line);font-size:14px}
.compare-card li::before{content:"✓";color:var(--mint);font-weight:900;margin-right:9px}
.compare-arrow{align-self:center;width:50px;height:50px;border-radius:50%;background:var(--plum);color:#fff;display:grid;place-items:center;font-size:20px}
.faq-wrap{max-width:850px}
.accordion-item{border:1px solid var(--line)!important;border-radius:var(--radius-md)!important;overflow:hidden;margin-bottom:11px;background:#fff}
.accordion-button{color:var(--plum);font-weight:800;background:#fff;padding:19px 21px;box-shadow:none!important}
.accordion-button:not(.collapsed){color:var(--purple-dark);background:#f7eff8}
.accordion-button::after{filter:hue-rotate(245deg)}
.accordion-body{color:var(--ink-soft);font-size:14px;padding:0 21px 20px}
.cta-panel{border-radius:var(--radius-xl);background:linear-gradient(120deg,#3b2843,#75477c 65%,#a75c83);color:#fff;padding:42px;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr 1fr;gap:36px}
.cta-panel h2{color:#fff;margin:8px 0 13px}
.cta-panel p{color:rgba(255,255,255,.75);font-size:14px}
.form-label{font-size:13px;font-weight:800;color:#fff;margin-bottom:7px}
.form-control,.form-select{border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.1);color:#fff;border-radius:12px;padding:12px 14px}
.form-control::placeholder{color:rgba(255,255,255,.55)}
.form-control:focus,.form-select:focus{background:rgba(255,255,255,.15);border-color:#f0c5dd;color:#fff;box-shadow:0 0 0 4px rgba(240,197,221,.14)}
.form-select option{color:var(--ink)}
.btn-main,.btn-soft{border-radius:999px;padding:13px 22px;font-weight:700;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px}
.btn-main{color:#fff;background:linear-gradient(105deg,var(--purple-dark),var(--berry));box-shadow:0 10px 22px rgba(137,84,168,.22)}
.btn-main:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06)}
.btn-soft{color:var(--purple-dark);border-color:var(--line);background:#fff}
.btn-soft:hover{background:var(--mist);transform:translateY(-2px)}
.cta-panel .btn-soft{color:var(--plum)}
.btn-main:active,.btn-soft:active{transform:translateY(0)}
.site-footer{background:#2b2030;color:rgba(255,255,255,.72);padding:48px 0 20px}
.site-footer .brand{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
.footer-title{color:#fff;font-size:13px;font-weight:800;margin-bottom:13px}
.footer-links{display:grid;gap:8px;font-size:13px}
.footer-links a:hover{color:#f0c5dd}
.copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:34px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;font-size:12px;color:rgba(255,255,255,.48)}
@media(max-width:991px){
 .navbar-collapse{padding:16px 0}
 .navbar-nav{align-items:stretch!important}
 .language-pill{width:max-content;margin:13px 0 0}
 .content-layout{grid-template-columns:1fr}
 .side-panel{position:static}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:767px){
 .category-hero{padding:38px 0 44px}
 .category-hero h1{font-size:clamp(36px,11vw,56px)}
 .section{padding:58px 0}
 .section-head{display:block;margin-bottom:24px}
 .section-intro{margin-top:13px}
 .index-row{display:block}
 .index-label{display:block;margin-bottom:12px}
 .hero-strip{gap:8px}
 .stat-chip{flex:1;min-width:125px}
 .content-layout,.moment-grid,.compare,.cta-panel{grid-template-columns:1fr}
 .compare-arrow{transform:rotate(90deg);margin:auto}
 .entry{grid-template-columns:56px 1fr}
 .entry-action{grid-column:2}
 .entry-number{width:48px;height:48px}
 .cta-panel{padding:27px 22px;gap:20px}
}
@media(max-width:520px){
 .container{padding-left:17px;padding-right:17px}
 .brand{font-size:15px}
 .brand-mark{width:32px;height:32px}
 .stat-chip{min-width:calc(50% - 5px);padding:11px 13px}
 .stat-chip strong{font-size:20px}
 .entry{padding:17px 15px;gap:12px}
 .entry h3{font-size:18px}
 .entry p{font-size:13px}
 .copyright{display:block;line-height:2}
}