/* roulang page: index */
:root{
      --berry:#3a1228;
      --berry-deep:#27101e;
      --berry-soft:#632744;
      --ink:#201b1d;
      --muted:#766b6d;
      --cream:#f7f3ee;
      --paper:#fffdf9;
      --apricot:#eee3da;
      --rose:#c87a8c;
      --caramel:#9a6248;
      --line:rgba(58,18,40,.13);
      --line-light:rgba(58,18,40,.08);
      --shadow:0 16px 40px rgba(58,18,40,.08);
      --shadow-hover:0 22px 48px rgba(58,18,40,.15);
      --radius-xl:30px;
      --radius-lg:20px;
      --radius-md:14px;
      --transition:all .36s cubic-bezier(.2,.7,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--cream);color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:16px;line-height:1.8;overflow-x:hidden;
    }
    body:before{
      content:"";position:fixed;inset:0;pointer-events:none;opacity:.28;z-index:-1;
      background-image:radial-gradient(rgba(58,18,40,.08) .6px,transparent .7px);
      background-size:7px 7px;
    }
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{
      outline:3px solid rgba(200,122,140,.42);outline-offset:3px;
    }
    .container{max-width:1240px}
    .section{padding:112px 0;position:relative}
    .eyebrow{
      display:inline-flex;align-items:center;gap:9px;color:var(--berry);font-size:12px;
      font-weight:800;letter-spacing:.12em;text-transform:uppercase;
    }
    .eyebrow:before{content:"";width:26px;height:1px;background:var(--rose)}
    .display-title{
      font-family:"Songti SC","STSong","Noto Serif SC",serif;font-size:clamp(34px,4.1vw,52px);
      letter-spacing:-.07em;line-height:1.15;color:var(--berry);font-weight:800;margin:14px 0 18px;
    }
    .section-intro{max-width:610px;color:var(--muted);margin:0;font-size:16px}
    .btn{
      border-radius:999px;padding:13px 22px;font-weight:800;border:1px solid transparent;
      box-shadow:none;letter-spacing:.02em;transition:var(--transition);
    }
    .btn-primary{background:var(--berry);color:#fff}
    .btn-primary:hover,.btn-primary:active{background:var(--berry-deep)!important;color:#fff!important;transform:translateY(-2px);box-shadow:0 12px 24px rgba(58,18,40,.22)}
    .btn-outline-brand{color:var(--berry);border-color:var(--line);background:rgba(255,255,255,.42)}
    .btn-outline-brand:hover{background:var(--apricot);color:var(--berry);border-color:rgba(58,18,40,.22);transform:translateY(-2px)}
    .btn-arrow{margin-left:10px;font-size:19px;display:inline-block;line-height:.7;transition:transform .3s ease}
    .btn:hover .btn-arrow{transform:translateX(4px)}
    .site-header{
      height:76px;position:sticky;top:0;z-index:1030;background:rgba(247,243,238,.88);
      border-bottom:1px solid transparent;backdrop-filter:blur(14px);
    }
    .site-header.scrolled{border-bottom-color:var(--line-light);box-shadow:0 6px 20px rgba(58,18,40,.04)}
    .navbar{min-height:76px;padding:0}
    .brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:900;color:var(--berry);letter-spacing:-.04em;white-space:nowrap}
    .brand-mark{
      display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:var(--berry);
      color:var(--cream);font-size:13px;font-family:Georgia,serif;letter-spacing:-.1em;
    }
    .nav-link{font-size:14px;font-weight:700;color:var(--muted)!important;padding:9px 14px!important;position:relative}
    .nav-link:after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--rose);transform:scaleX(0);transform-origin:left;transition:var(--transition)}
    .nav-link:hover,.nav-link.active{color:var(--berry)!important}
    .nav-link.active:after,.nav-link:hover:after{transform:scaleX(1)}
    .language-pill{border:1px solid var(--line);border-radius:999px;padding:7px 11px;font-size:12px;font-weight:800;color:var(--berry);background:rgba(255,255,255,.55);white-space:nowrap}
    .navbar-toggler{border:1px solid var(--line);border-radius:12px;padding:7px 10px;color:var(--berry)}
    .navbar-toggler:focus{box-shadow:0 0 0 .2rem rgba(200,122,140,.25)}
    .navbar-toggler-icon{background-image:none;width:20px;height:14px;position:relative;border-top:2px solid var(--berry);border-bottom:2px solid var(--berry)}
    .navbar-toggler-icon:after{content:"";position:absolute;left:0;right:0;top:5px;border-top:2px solid var(--berry)}
    .offcanvas{background:var(--cream);width:min(86vw,360px)}
    .offcanvas-header{padding:24px;border-bottom:1px solid var(--line-light)}
    .offcanvas-body{padding:26px 24px;display:flex;flex-direction:column}
    .mobile-link{padding:15px 0;border-bottom:1px solid var(--line-light);font-weight:800;color:var(--berry);font-size:18px}
    .hero{padding:62px 0 42px;position:relative}
    .hero-stage{
      min-height:630px;border-radius:var(--radius-xl);overflow:hidden;position:relative;padding:76px 7.3% 46px;
      color:var(--cream);background:
      radial-gradient(circle at 77% 25%,rgba(200,122,140,.52),transparent 22%),
      radial-gradient(circle at 19% 78%,rgba(154,98,72,.35),transparent 28%),
      linear-gradient(120deg,#2a0e20 0%,#3a1228 53%,#56233f 100%);
      isolation:isolate;
    }
    .hero-stage:before{
      content:"";position:absolute;inset:0;z-index:-1;opacity:.24;
      background-image:linear-gradient(90deg,rgba(255,255,255,.12) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px);
      background-size:60px 60px;
    }
    .hero-copy{max-width:680px;position:relative;z-index:3}
    .hero .eyebrow{color:#f4dce0}.hero .eyebrow:before{background:#f4dce0}
    .hero h1{
      margin:18px 0 22px;font-family:"Songti SC","STSong","Noto Serif SC",serif;font-size:clamp(46px,6vw,76px);
      line-height:1.05;letter-spacing:-.09em;font-weight:900;color:#fff;
    }
    .hero-text{max-width:610px;color:rgba(255,253,249,.8);font-size:17px;line-height:1.9;margin-bottom:28px}
    .hero .btn-outline-brand{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.32);color:#fff}
    .hero .btn-outline-brand:hover{background:rgba(255,255,255,.15);color:#fff}
    .hero-rail{position:absolute;right:5%;bottom:35px;left:5%;display:flex;align-items:end;justify-content:space-between;gap:20px;z-index:3}
    .hero-trust{display:flex;gap:20px;flex-wrap:wrap;color:rgba(255,255,255,.75);font-size:12px}
    .hero-trust span{display:flex;gap:7px;align-items:center}.hero-trust i{width:6px;height:6px;background:var(--rose);border-radius:50%;display:inline-block}
    .hero-dots{display:flex;gap:8px}.hero-dots b{width:26px;height:3px;background:rgba(255,255,255,.25);display:block;border-radius:10px}.hero-dots b:first-child{background:#f1c4cd}
    .count-ring{
      position:absolute;right:7%;top:66px;width:146px;height:146px;border:1px solid rgba(255,255,255,.28);border-radius:50%;
      display:grid;place-items:center;text-align:center;z-index:4;background:rgba(38,11,29,.23);backdrop-filter:blur(7px);
    }
    .count-ring:before{content:"";position:absolute;inset:8px;border-radius:50%;border:2px solid transparent;border-top-color:#f2bdc8;border-right-color:#f2bdc8;transform:rotate(-26deg)}
    .count-ring strong{display:block;font-size:28px;line-height:1;color:#fff}.count-ring span{font-size:10px;color:#efd7dc;letter-spacing:.12em}
    .cover-stack{position:absolute;right:7%;bottom:72px;width:410px;height:425px;z-index:2}
    .cover{position:absolute;border-radius:22px;overflow:hidden;border:1px solid rgba(255,255,255,.24);box-shadow:0 22px 45px rgba(17,3,12,.35)}
    .cover:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 38%,rgba(28,7,19,.72))}
    .cover-main{width:235px;height:320px;right:55px;bottom:0;background:linear-gradient(155deg,#e3b7a9,#744157 51%,#26101d)}
    .cover-left{width:160px;height:223px;left:0;bottom:42px;transform:rotate(-8deg);background:linear-gradient(160deg,#b07d74,#4e1d39 56%,#e1a5ac)}
    .cover-right{width:140px;height:190px;right:0;top:14px;transform:rotate(8deg);background:linear-gradient(150deg,#f0d4c8,#8f5d6e 51%,#3f1530)}
    .cover-art{position:absolute;border-radius:50%;filter:blur(.2px);opacity:.88}
    .cover-main .cover-art:nth-child(1){width:180px;height:240px;background:radial-gradient(ellipse at 54% 28%,#f5cabb 0 15%,#663348 16% 35%,#2a1024 36%);left:27px;top:21px}
    .cover-left .cover-art{width:160px;height:210px;background:radial-gradient(ellipse at 42% 30%,#edc2aa 0 13%,#7e4656 14% 35%,#3b1530 37%);top:10px}
    .cover-right .cover-art{width:130px;height:180px;background:radial-gradient(ellipse at 52% 25%,#edc3b0 0 13%,#794055 14% 35%,#321127 37%);top:8px}
    .cover-label{position:absolute;left:17px;bottom:16px;z-index:2;color:#fff;font-size:12px;font-weight:800;letter-spacing:.06em}
    .float-filter{position:absolute;left:48px;top:5px;background:var(--cream);color:var(--berry);padding:12px 14px;border-radius:13px;z-index:5;box-shadow:var(--shadow);font-size:12px;font-weight:900}
    .float-filter small{display:block;color:var(--muted);font-weight:600;margin-top:2px}
    .ticker{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:15px 0;overflow:hidden;background:rgba(255,255,255,.38)}
    .ticker-track{display:flex;gap:38px;white-space:nowrap;color:var(--berry);font-weight:800;font-size:13px;letter-spacing:.04em}
    .ticker-track span:before{content:"✦";color:var(--rose);margin-right:11px}
    .feature-layout{display:grid;grid-template-columns:28% 1fr;gap:58px;align-items:start}
    .feature-intro{position:sticky;top:106px}
    .feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
    .feature-card{min-height:220px;padding:28px;border:1px solid var(--line-light);border-radius:var(--radius-lg);position:relative;overflow:hidden;transition:var(--transition)}
    .feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
    .feature-card.dark{background:var(--berry);color:#fff}.feature-card.apricot{background:var(--apricot)}.feature-card.paper{background:var(--paper)}.feature-card.rose-bg{background:#f0d8da}
    .feature-card.wide{grid-column:span 2;min-height:195px}.feature-card.tall{min-height:300px}
    .feature-number{font-family:Georgia,serif;color:var(--rose);font-size:14px;font-weight:bold}.dark .feature-number{color:#efbac5}
    .feature-card h3{font-size:22px;letter-spacing:-.04em;margin:26px 0 10px;font-weight:900}.feature-card p{font-size:14px;line-height:1.75;color:var(--muted);max-width:370px;margin:0}.dark p{color:rgba(255,255,255,.75)}
    .feature-arrow{position:absolute;right:25px;bottom:20px;color:var(--berry);font-size:21px}.dark .feature-arrow{color:#fff}
    .progress-line{position:absolute;height:3px;bottom:0;left:0;background:var(--rose);width:0;transition:width .45s ease}.feature-card:hover .progress-line{width:100%}
    .scenarios{background:var(--paper);overflow:hidden}
    .scenario-head{display:flex;justify-content:space-between;gap:35px;align-items:end;margin-bottom:62px}
    .scenario-line{position:absolute;top:318px;left:8%;right:8%;height:1px;background:var(--line)}
    .scenario-track{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;position:relative}
    .scenario{position:relative;padding:0 18px}.scenario:nth-child(2){margin-top:87px}.scenario:nth-child(3){margin-top:26px}
    .scenario-no{font-family:Georgia,serif;font-size:72px;line-height:1;color:rgba(58,18,40,.13);font-weight:bold}
    .scenario-dot{width:13px;height:13px;border-radius:50%;background:var(--rose);border:4px solid var(--paper);position:absolute;top:110px;left:18px;z-index:2}
    .scenario-visual{height:180px;margin:28px 0 22px;border-radius:18px;overflow:hidden;position:relative;background:var(--apricot)}
    .scenario-visual:before,.case-visual:before{content:"";position:absolute;border-radius:50%;filter:blur(0)}
    .visual-one:before{width:170px;height:170px;left:32%;top:18px;background:radial-gradient(ellipse at 51% 27%,#f0c4b4 0 16%,#754258 17% 36%,#3a142e 37%)}
    .visual-two:before{width:190px;height:190px;left:25%;top:13px;background:radial-gradient(ellipse at 55% 28%,#e6b6a8 0 14%,#8d5463 15% 35%,#3e1833 36%)}
    .visual-three:before{width:185px;height:185px;left:28%;top:16px;background:radial-gradient(ellipse at 48% 27%,#f4cbb8 0 13%,#704050 14% 34%,#2e1128 35%)}
    .scenario h3{font-size:21px;font-weight:900;color:var(--berry)}.scenario p{color:var(--muted);font-size:14px;margin-bottom:14px}
    .tag{display:inline-block;padding:4px 10px;border:1px solid var(--line);border-radius:999px;color:var(--berry);font-size:11px;font-weight:800;margin:0 4px 5px 0;background:rgba(255,255,255,.45)}
    .cases-wrap{background:linear-gradient(180deg,var(--cream) 0 55%,var(--apricot) 55%);padding-bottom:118px}
    .case-feature{background:var(--berry);color:#fff;border-radius:var(--radius-xl);padding:44px;overflow:hidden;position:relative}
    .case-feature:after{content:"";position:absolute;width:390px;height:390px;border-radius:50%;right:-100px;bottom:-180px;background:rgba(200,122,140,.25)}
    .case-copy{position:relative;z-index:2}.case-copy .eyebrow{color:#f5cbd2}.case-copy .eyebrow:before{background:#f5cbd2}.case-copy h3{font-family:"Songti SC",serif;font-size:38px;letter-spacing:-.06em;line-height:1.2;margin:16px 0}.case-copy p{color:rgba(255,255,255,.75);max-width:490px}
    .case-stat{display:flex;gap:28px;margin-top:30px}.case-stat strong{display:block;color:#fff;font-size:23px;line-height:1.2}.case-stat span{font-size:11px;color:#eacdd2}
    .case-visual{min-height:310px;position:relative;z-index:2}.case-visual .tile{position:absolute;border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.3);box-shadow:0 16px 32px rgba(16,2,11,.25)}
    .tile-a{height:247px;width:164px;right:32px;top:15px;background:linear-gradient(150deg,#dfad9e,#57304a 58%,#1f0a1a)}
    .tile-b{height:190px;width:130px;right:184px;bottom:6px;background:linear-gradient(160deg,#e7c3b2,#936173 55%,#301127)}
    .tile-c{height:107px;width:150px;right:35px;bottom:1px;background:linear-gradient(135deg,#f1d8d0,#9d6877)}
    .tile:after{content:"";position:absolute;width:135px;height:180px;border-radius:50%;left:14px;top:20px;background:radial-gradient(ellipse at 50% 23%,#f5cab8 0 14%,#714054 15% 34%,#261025 35%)}
    .small-case{background:var(--paper);border:1px solid var(--line-light);border-radius:20px;padding:28px;height:100%;transition:var(--transition)}.small-case:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .small-case h4{font-size:20px;color:var(--berry);font-weight:900;margin:15px 0 9px}.small-case p{font-size:14px;color:var(--muted);margin:0}.mini-bar{height:7px;background:var(--apricot);border-radius:9px;margin-top:20px;overflow:hidden}.mini-bar b{display:block;height:100%;background:var(--rose);border-radius:inherit}
    .rank-section{padding:86px 0;background:var(--paper)}
    .rank-list{border-top:1px solid var(--line)}.rank-row{display:grid;grid-template-columns:60px 1fr 100px 85px;gap:18px;align-items:center;padding:19px 5px;border-bottom:1px solid var(--line);transition:var(--transition)}.rank-row:hover{padding-left:12px;background:rgba(238,227,218,.45)}.rank-index{font-family:Georgia,serif;font-size:22px;color:var(--rose);font-weight:bold}.rank-name{font-weight:900;color:var(--berry)}.rank-name small{font-weight:500;color:var(--muted);display:block;font-size:12px}.rank-meta{color:var(--muted);font-size:12px;text-align:right}.trend{color:var(--caramel);font-size:12px;font-weight:bold;text-align:right}
    .pricing{padding-top:112px}.pricing-top{text-align:center;margin-bottom:42px}.pricing-top .section-intro{margin:0 auto}
    .price-row{align-items:stretch}.price-card{background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:31px;height:100%;position:relative;transition:var(--transition)}.price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.price-card.featured{background:var(--berry);color:#fff;border-color:var(--berry;);transform:translateY(-17px);box-shadow:0 20px 45px rgba(58,18,40,.18)}.price-card.featured:hover{transform:translateY(-23px)}
    .recommend{position:absolute;top:-13px;left:50%;transform:translateX(-50%);white-space:nowrap;background:var(--rose);color:#fff;border-radius:999px;padding:4px 13px;font-size:11px;font-weight:900}.plan-name{font-size:14px;font-weight:900;color:var(--berry)}.featured .plan-name{color:#f2c6cf}.price-card h3{font-size:25px;font-weight:900;margin:10px 0}.price-card p{font-size:13px;color:var(--muted);min-height:46px}.featured p{color:rgba(255,255,255,.72)}.price{font-size:34px;font-weight:900;color:var(--berry);letter-spacing:-.05em}.price small{font-size:13px;color:var(--muted);font-weight:600}.featured .price,.featured .price small{color:#fff}.benefits{list-style:none;padding:0;margin:24px 0}.benefits li{font-size:13px;padding:8px 0;border-bottom:1px solid var(--line-light);color:var(--muted)}.benefits li:before{content:"✓";margin-right:9px;color:var(--rose);font-weight:900}.featured .benefits li{border-color:rgba(255,255,255,.13);color:rgba(255,255,255,.78)}.featured .benefits li:before{color:#f2b7c3}.featured .btn{background:var(--cream);color:var(--berry)}.featured .btn:hover{background:#fff;color:var(--berry)!important}
    .faq-wrap{max-width:850px;margin:85px auto 0}.faq-wrap .display-title{text-align:center;font-size:36px}.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)!important}.accordion-button{background:transparent!important;color:var(--berry)!important;box-shadow:none!important;padding:21px 4px;font-weight:900;font-size:16px}.accordion-button:after{background-image:none;content:"+";font-size:25px;width:auto;height:auto;color:var(--rose);font-weight:400}.accordion-button:not(.collapsed):after{content:"−";transform:none}.accordion-body{background:rgba(238,227,218,.55);border-radius:13px;margin:0 0 15px;padding:17px 19px;color:var(--muted);font-size:14px}
    .final-cta{margin-top:72px;background:var(--berry);border-radius:22px;padding:30px 38px;display:flex;align-items:center;justify-content:space-between;gap:24px;overflow:hidden;position:relative;color:#fff}.final-cta:before,.final-cta:after{content:"";position:absolute;border-radius:50%;background:rgba(200,122,140,.28)}.final-cta:before{width:140px;height:140px;right:8%;top:-80px}.final-cta:after{width:30px;height:30px;right:4%;bottom:16px}.final-cta h3{font-size:25px;font-weight:900;margin:0 0 3px}.final-cta p{margin:0;color:rgba(255,255,255,.74);font-size:14px}.final-cta .btn{position:relative;z-index:2;background:var(--cream);color:var(--berry);white-space:nowrap}
    .safety{padding:55px 0;background:var(--apricot)}.safety-item{display:flex;gap:13px;align-items:flex-start}.safety-icon{width:39px;height:39px;border-radius:13px;display:grid;place-items:center;background:rgba(255,255,255,.65);color:var(--berry);font-weight:900}.safety-item h4{font-size:14px;font-weight:900;margin:0 0 2px;color:var(--berry)}.safety-item p{font-size:12px;color:var(--muted);line-height:1.6;margin:0}
    footer{background:var(--berry-deep);color:rgba(255,255,255,.7);padding:66px 0 25px}footer .brand{color:#fff;font-size:19px}footer .brand-mark{background:var(--rose)}.footer-text{font-size:13px;max-width:360px;margin:19px 0;color:rgba(255,255,255,.59)}.footer-title{color:#fff;font-size:13px;font-weight:900;margin-bottom:15px}.footer-link{display:block;font-size:13px;margin:8px 0;color:rgba(255,255,255,.65)}.footer-link:hover{color:#f3c7d0}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:46px;padding-top:20px;font-size:12px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.age-note{color:#efbdc7}
    @media (max-width:1199px){.cover-stack{right:3%;transform:scale(.86);transform-origin:right bottom}.hero-stage{padding-left:6%;padding-right:6%}.feature-layout{grid-template-columns:31% 1fr}}
    @media (max-width:991px){.section{padding:78px 0}.hero{padding-top:34px}.hero-stage{min-height:680px;padding-top:61px}.cover-stack{opacity:.7;right:-40px;transform:scale(.78)}.count-ring{right:4%;top:27px}.feature-layout{display:block}.feature-intro{position:static;margin-bottom:34px}.scenario-line{display:none}.scenario-track{gap:10px}.scenario{padding:0 8px}.scenario-dot{display:none}.scenario:nth-child(2),.scenario:nth-child(3){margin-top:0}.case-feature{padding:34px}.rank-row{grid-template-columns:45px 1fr 75px}.trend{display:none}.safety-item{margin-bottom:24px}}
    @media (max-width:767px){body{font-size:15px}.site-header,.navbar{min-height:68px;height:68px}.brand{font-size:14px}.hero-stage{min-height:700px;border-radius:22px;padding:44px 26px}.hero h1{font-size:45px}.hero-text{font-size:15px}.hero .d-flex{gap:10px!important}.hero .btn{padding:11px 16px;font-size:13px}.count-ring{width:105px;height:105px;right:20px;top:22px}.count-ring strong{font-size:21px}.cover-stack{right:-75px;bottom:90px;transform:scale(.66);opacity:.68}.hero-rail{bottom:20px;left:26px;right:26px}.hero-trust{gap:10px;font-size:10px}.hero-trust span:last-child{display:none}.feature-grid{grid-template-columns:1fr}.feature-card.wide{grid-column:auto}.feature-card.tall{min-height:230px}.scenario-head{display:block;margin-bottom:35px}.scenario-track{display:block;border-left:1px solid var(--line);margin-left:10px}.scenario{padding:0 0 28px 23px}.scenario-no{font-size:55px}.scenario-visual{height:150px;margin:15px 0}.case-feature{padding:29px}.case-copy h3{font-size:31px}.case-visual{min-height:270px;margin-top:15px}.case-stat{gap:16px}.tile-a{right:16px}.tile-b{right:145px}.rank-row{grid-template-columns:38px 1fr 65px;gap:8px}.price-card.featured{transform:none;margin:12px 0}.price-card.featured:hover{transform:translateY(-5px)}.final-cta{padding:27px;display:block}.final-cta .btn{margin-top:18px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}}
    @media (max-width:520px){.hero h1{font-size:40px}.hero-stage{min-height:680px}.hero-text{max-width:87%}.cover-stack{right:-130px;bottom:85px;opacity:.57}.count-ring{opacity:.8}.display-title{font-size:35px}.case-stat strong{font-size:19px}.rank-meta{font-size:10px}.safety{padding:38px 0}}
    @media (prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category1 */
:root{
 --berry:#3a1228;--berry-deep:#27101e;--berry-soft:#632744;--ink:#201b1d;
 --muted:#766b6d;--cream:#f7f3ee;--paper:#fffdf9;--apricot:#eee3da;
 --rose:#c87a8c;--caramel:#9a6248;--line:rgba(58,18,40,.13);
 --line-light:rgba(58,18,40,.08);--shadow:0 16px 40px rgba(58,18,40,.08);
 --shadow-hover:0 22px 48px rgba(58,18,40,.15);--radius-xl:30px;
 --radius-lg:20px;--radius-md:14px;--transition:all .36s cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;background:var(--cream);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
 font-size:16px;line-height:1.8;overflow-x:hidden
}
body:before{
 content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.25;
 background-image:radial-gradient(rgba(58,18,40,.08) .6px,transparent .8px);background-size:8px 8px
}
a{color:inherit;text-decoration:none;transition:var(--transition)}
img{display:block;max-width:100%}
button,input{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(200,122,140,.42);outline-offset:3px}
.container{max-width:1240px}
.section{padding:106px 0;position:relative}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;color:var(--berry);font-size:12px;
 font-weight:800;letter-spacing:.12em
}
.eyebrow:before{content:"";width:26px;height:1px;background:var(--rose)}
.display-title{
 margin:13px 0 16px;font-family:"Songti SC","STSong","Noto Serif SC",serif;font-size:clamp(35px,4vw,52px);
 line-height:1.18;letter-spacing:-.07em;color:var(--berry);font-weight:900
}
.section-intro{max-width:610px;margin:0;color:var(--muted);font-size:16px}
.btn{
 border-radius:999px;border:1px solid transparent;padding:13px 22px;font-weight:800;
 letter-spacing:.02em;box-shadow:none;transition:var(--transition)
}
.btn-primary{background:var(--berry);color:#fff}
.btn-primary:hover,.btn-primary:active{background:var(--berry-deep)!important;color:#fff!important;transform:translateY(-2px);box-shadow:0 12px 24px rgba(58,18,40,.22)}
.btn-outline-brand{color:var(--berry);border-color:var(--line);background:rgba(255,255,255,.46)}
.btn-outline-brand:hover{background:var(--apricot);color:var(--berry);border-color:rgba(58,18,40,.24);transform:translateY(-2px)}
.btn-arrow{margin-left:10px;display:inline-block;font-size:18px;line-height:.8;transition:transform .3s ease}
.btn:hover .btn-arrow{transform:translateX(4px)}
.site-header{
 height:76px;position:sticky;top:0;z-index:1030;background:rgba(247,243,238,.9);
 border-bottom:1px solid transparent;backdrop-filter:blur(14px)
}
.site-header.scrolled{border-bottom-color:var(--line-light);box-shadow:0 6px 20px rgba(58,18,40,.04)}
.navbar{min-height:76px;padding:0}
.brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:900;color:var(--berry);letter-spacing:-.04em;white-space:nowrap}
.brand-mark{
 display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:var(--berry);
 color:var(--cream);font-size:13px;font-family:Georgia,serif;letter-spacing:-.1em
}
.nav-link{position:relative;padding:9px 14px!important;font-size:14px;font-weight:700;color:var(--muted)!important}
.nav-link:after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--rose);transform:scaleX(0);transform-origin:left;transition:var(--transition)}
.nav-link:hover,.nav-link.active{color:var(--berry)!important}
.nav-link.active:after,.nav-link:hover:after{transform:scaleX(1)}
.language-pill{border:1px solid var(--line);border-radius:999px;padding:7px 11px;background:rgba(255,255,255,.55);color:var(--berry);font-size:12px;font-weight:800;white-space:nowrap}
.navbar-toggler{border:1px solid var(--line);border-radius:12px;padding:7px 10px;color:var(--berry)}
.navbar-toggler:focus{box-shadow:0 0 0 .2rem rgba(200,122,140,.25)}
.navbar-toggler-icon{position:relative;width:20px;height:14px;background-image:none;border-top:2px solid var(--berry);border-bottom:2px solid var(--berry)}
.navbar-toggler-icon:after{content:"";position:absolute;top:5px;left:0;right:0;border-top:2px solid var(--berry)}
.offcanvas{width:min(86vw,360px);background:var(--cream)}
.offcanvas-header{padding:24px;border-bottom:1px solid var(--line-light)}
.offcanvas-body{display:flex;flex-direction:column;padding:26px 24px}
.mobile-link{padding:15px 0;border-bottom:1px solid var(--line-light);font-size:18px;font-weight:800;color:var(--berry)}
.category-hero{padding:48px 0 42px}
.category-shell{
 min-height:402px;position:relative;overflow:hidden;border:1px solid var(--line-light);border-radius:var(--radius-xl);
 padding:58px 7%;background:linear-gradient(118deg,var(--paper) 0%,var(--paper) 51%,var(--apricot) 100%)
}
.category-shell:before{
 content:"";position:absolute;width:370px;height:370px;right:-80px;top:-155px;border-radius:50%;
 background:radial-gradient(circle,rgba(200,122,140,.26),rgba(200,122,140,0) 67%)
}
.breadcrumb{position:relative;z-index:2;margin:0 0 17px;font-size:13px}
.breadcrumb-item,.breadcrumb-item a{color:var(--muted)}
.breadcrumb-item+.breadcrumb-item:before{content:"→";color:var(--rose)}
.category-copy{position:relative;z-index:2;max-width:650px}
.category-copy h1{
 margin:0 0 18px;color:var(--berry);font-family:"Songti SC","STSong","Noto Serif SC",serif;
 font-size:clamp(40px,5vw,65px);line-height:1.08;letter-spacing:-.09em;font-weight:900
}
.category-copy p{max-width:590px;margin:0;color:var(--muted);font-size:16px}
.category-pills{display:flex;gap:8px;flex-wrap:wrap;margin-top:25px}
.topic-pill,.tag{
 display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:999px;
 padding:5px 10px;background:rgba(255,253,249,.72);color:var(--berry);font-size:12px;font-weight:800
}
.cover-stack{position:absolute;right:7%;bottom:-38px;width:375px;height:365px}
.cover{position:absolute;overflow:hidden;border:1px solid rgba(255,253,249,.52);box-shadow:var(--shadow);transition:var(--transition)}
.cover:hover{transform:translateY(-7px) rotate(0deg)!important}
.cover-a{width:220px;height:285px;right:58px;bottom:46px;border-radius:26px;background:linear-gradient(145deg,#32101f 0%,#6c2e4c 62%,#c87a8c 100%)}
.cover-b{width:156px;height:207px;right:0;bottom:10px;border-radius:22px;background:linear-gradient(150deg,#d2a58e,#eee3da 48%,#71324d);transform:rotate(8deg)}
.cover-c{width:142px;height:183px;left:11px;bottom:21px;border-radius:20px;background:linear-gradient(160deg,#f4dfd4,#c87a8c 45%,#3a1228);transform:rotate(-9deg)}
.cover:after{content:"";position:absolute;inset:14px;border:1px solid rgba(255,255,255,.3);border-radius:inherit}
.cover-a:before,.cover-b:before,.cover-c:before{
 content:"";position:absolute;left:50%;bottom:18%;width:54%;height:60%;transform:translateX(-50%);
 border-radius:48% 48% 18% 18%/40% 40% 25% 25%;background:rgba(255,253,249,.32)
}
.cover-a span{position:absolute;z-index:2;left:22px;top:22px;color:#fff;font-size:12px;font-weight:900;letter-spacing:.12em}
.cover-b span,.cover-c span{position:absolute;z-index:2;left:16px;bottom:16px;color:#fff;font-size:11px;font-weight:900}
.stack-number{position:absolute;z-index:5;right:183px;top:7px;width:74px;height:74px;display:grid;place-items:center;border-radius:50%;background:var(--paper);box-shadow:var(--shadow);color:var(--berry);font-family:Georgia,serif;font-size:25px;font-weight:700}
.shelf-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:38px}
.shelf-filter{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.filter-btn{border:1px solid var(--line);border-radius:999px;padding:7px 13px;background:transparent;color:var(--muted);font-size:12px;font-weight:800;transition:var(--transition)}
.filter-btn:hover,.filter-btn.active{border-color:var(--berry);background:var(--berry);color:#fff}
.content-card{
 height:100%;position:relative;overflow:hidden;border:1px solid var(--line-light);border-radius:var(--radius-lg);
 background:var(--paper);box-shadow:0 8px 20px rgba(58,18,40,.035);transition:var(--transition)
}
.content-card:hover{transform:translateY(-6px);border-color:rgba(58,18,40,.18);box-shadow:var(--shadow-hover)}
.card-visual{position:relative;overflow:hidden;background:var(--apricot)}
.card-visual:before{content:"";position:absolute;z-index:1;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(39,16,30,.28))}
.card-visual:after{
 content:"";position:absolute;left:50%;bottom:-12%;width:43%;height:78%;transform:translateX(-50%);
 border-radius:52% 52% 14% 14%/37% 37% 18% 18%;background:rgba(255,253,249,.45)
}
.content-card:hover .card-visual{filter:saturate(1.08)}
.visual-wide{height:254px;background:linear-gradient(118deg,#351020 0%,#71334f 47%,#d797a3 100%)}
.visual-tall{height:292px;background:linear-gradient(155deg,#d8b09a,#f5e8df 44%,#55213d 100%)}
.visual-tall.alt{background:linear-gradient(155deg,#4b1834,#9a6248 48%,#eedbd0 100%)}
.visual-square{height:210px;background:linear-gradient(145deg,#f5ded5,#c87a8c 43%,#4b1732 100%)}
.visual-square.alt{background:linear-gradient(145deg,#6d2e4c,#eee3da 52%,#a76e55 100%)}
.visual-wide.alt{background:linear-gradient(110deg,#d7a998,#f6ece4 49%,#42142c 100%)}
.visual-label{position:absolute;z-index:3;left:15px;top:15px;border-radius:999px;padding:5px 10px;background:rgba(255,253,249,.9);color:var(--berry);font-size:11px;font-weight:900}
.bookmark{position:absolute;z-index:3;right:14px;top:13px;width:31px;height:31px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.45);border-radius:50%;background:rgba(58,18,40,.24);color:#fff;font-size:15px}
.card-body-custom{padding:20px 20px 18px}
.card-title{display:-webkit-box;overflow:hidden;margin:10px 0 8px;color:var(--ink);font-size:20px;line-height:1.35;font-weight:900;letter-spacing:-.03em;-webkit-box-orient:vertical;-webkit-line-clamp:2;transition:var(--transition)}
.content-card:hover .card-title{color:var(--berry)}
.card-summary{display:-webkit-box;overflow:hidden;margin:0;color:var(--muted);font-size:14px;line-height:1.72;-webkit-box-orient:vertical;-webkit-line-clamp:2}
.meta-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:17px;padding-top:13px;border-top:1px solid var(--line-light);color:var(--muted);font-size:12px}
.meta-row span{white-space:nowrap}
.feature-card{display:grid;grid-template-columns:1.06fr .94fr;min-height:350px}
.feature-card .card-visual{height:auto;min-height:350px}
.feature-card .card-body-custom{display:flex;flex-direction:column;justify-content:center;padding:35px}
.feature-card .card-title{font-family:"Songti SC","STSong",serif;font-size:31px;line-height:1.25;-webkit-line-clamp:2}
.feature-card .card-summary{-webkit-line-clamp:3}
.feature-card .meta-row{margin-top:24px}
.index-card{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:35px 36px;background:var(--berry);color:var(--cream);
 box-shadow:var(--shadow)
}
.index-card:before{content:"";position:absolute;width:280px;height:280px;right:-80px;top:-120px;border:1px solid rgba(255,255,255,.15);border-radius:50%}
.index-card:after{content:"";position:absolute;width:190px;height:190px;right:65px;bottom:-125px;border:1px solid rgba(200,122,140,.45);border-radius:50%}
.index-card h2{position:relative;margin:8px 0 12px;font-family:"Songti SC","STSong",serif;font-size:34px;font-weight:900;letter-spacing:-.06em}
.index-card p{position:relative;max-width:620px;margin:0 0 20px;color:rgba(255,253,249,.72)}
.index-tags{position:relative;display:flex;gap:9px;flex-wrap:wrap}
.index-tags a{border:1px solid rgba(255,255,255,.27);border-radius:999px;padding:7px 12px;color:#fff;font-size:12px;font-weight:800}
.index-tags a:hover{background:rgba(255,255,255,.13);transform:translateY(-2px)}
.browse-note{background:var(--apricot)}
.note-panel{padding:38px;border:1px solid var(--line-light);border-radius:var(--radius-xl);background:rgba(255,253,249,.58)}
.note-number{color:var(--rose);font-family:Georgia,serif;font-size:44px;line-height:1}
.note-panel h2{margin:13px 0 20px;color:var(--berry);font-family:"Songti SC","STSong",serif;font-size:35px;font-weight:900;letter-spacing:-.06em}
.note-item{display:flex;gap:15px;padding:17px 0;border-top:1px solid var(--line-light)}
.note-icon{flex:0 0 34px;width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:var(--berry);color:#fff;font-size:14px}
.note-item strong{display:block;color:var(--ink);font-size:15px}
.note-item p{margin:2px 0 0;color:var(--muted);font-size:14px;line-height:1.65}
.pagination{gap:8px;margin:52px 0 0}
.page-link{
 display:grid;place-items:center;min-width:42px;height:42px;border:1px solid var(--line)!important;border-radius:12px!important;
 background:rgba(255,253,249,.64)!important;color:var(--berry)!important;font-size:14px;font-weight:800;box-shadow:none!important
}
.page-link:hover{background:var(--apricot)!important;transform:translateY(-2px)}
.page-item.active .page-link{border-color:var(--berry)!important;background:var(--berry)!important;color:#fff!important}
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{overflow:hidden;margin-bottom:11px;border:1px solid var(--line-light)!important;border-radius:var(--radius-md)!important;background:rgba(255,253,249,.66)}
.accordion-button{padding:18px 20px;background:transparent!important;color:var(--berry)!important;font-weight:900;box-shadow:none!important}
.accordion-button:not(.collapsed){background:rgba(238,227,218,.58)!important}
.accordion-button:after{width:22px;height:22px;background-image:none;content:"+";display:grid;place-items:center;color:var(--berry);font-size:23px;font-weight:400;transform:none!important}
.accordion-button:not(.collapsed):after{content:"−"}
.accordion-body{padding:0 20px 20px;color:var(--muted);font-size:14px;line-height:1.8}
.final-cta{padding-top:0}
.cta-strip{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:31px 40px;border-radius:var(--radius-lg);background:var(--berry);color:#fff}
.cta-strip:before,.cta-strip:after{content:"";position:absolute;border-radius:50%;background:rgba(200,122,140,.36)}
.cta-strip:before{width:120px;height:120px;right:15%;top:-80px}.cta-strip:after{width:44px;height:44px;right:7%;bottom:-17px}
.cta-strip h2{position:relative;margin:0 0 3px;font-family:"Songti SC","STSong",serif;font-size:28px;font-weight:900;letter-spacing:-.05em}
.cta-strip p{position:relative;margin:0;color:rgba(255,255,255,.74);font-size:14px}
.cta-strip .btn{position:relative;flex:0 0 auto;background:#fff;color:var(--berry)}
.cta-strip .btn:hover{background:#f3dce1;color:var(--berry)}
footer{padding:76px 0 22px;background:var(--berry-deep);color:var(--cream)}
footer .brand{color:#fff}
footer .brand-mark{background:var(--rose);color:var(--berry-deep)}
.footer-text{max-width:410px;margin:18px 0 0;color:rgba(255,253,249,.65);font-size:14px;line-height:1.85}
.footer-title{margin-bottom:14px;color:#f7dce3;font-size:13px;font-weight:900;letter-spacing:.08em}
.footer-link{display:block;margin:8px 0;color:rgba(255,253,249,.67);font-size:14px}
.footer-link:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:52px;padding-top:20px;border-top:1px solid rgba(255,255,255,.13);color:rgba(255,253,249,.5);font-size:12px}
.age-note{color:#e5b0bd}
@media (max-width:991.98px){
 .section{padding:76px 0}.category-shell{min-height:440px;padding:52px 8%}.cover-stack{right:3%;opacity:.8;transform:scale(.86);transform-origin:right bottom}
 .shelf-head{align-items:flex-start;flex-direction:column}.shelf-filter{justify-content:flex-start}
}
@media (max-width:767.98px){
 .site-header,.navbar{min-height:68px;height:68px}.brand{font-size:14px}.brand-mark{width:31px;height:31px}
 .category-hero{padding:26px 0 25px}.category-shell{min-height:465px;padding:38px 26px}
 .category-copy h1{font-size:42px}.category-copy p{font-size:14px}.cover-stack{right:-49px;bottom:-78px;transform:scale(.62);opacity:.7}
 .section{padding:64px 0}.display-title{font-size:37px}.section-intro{font-size:14px}
 .feature-card{grid-template-columns:1fr}.feature-card .card-visual{min-height:225px;height:225px}.feature-card .card-body-custom{padding:26px}.feature-card .card-title{font-size:27px}
 .visual-wide{height:228px}.visual-tall{height:255px}.card-body-custom{padding:18px}.index-card{padding:29px 24px}.index-card h2{font-size:29px}
 .note-panel{padding:27px 22px}.note-panel h2{font-size:29px}.cta-strip{align-items:flex-start;flex-direction:column;padding:28px 25px}.cta-strip h2{font-size:25px}
 .footer-bottom{align-items:flex-start;flex-direction:column;margin-top:38px}
}
@media (max-width:520px){
 .category-copy h1{font-size:38px}.category-pills{margin-top:19px}.topic-pill{font-size:11px}
 .filter-btn{padding:6px 10px}.content-card:hover{transform:none}.card-title{font-size:18px}
 .pagination{margin-top:37px}.page-link{min-width:38px;height:38px}.accordion-button{padding:16px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}
}