/* roulang page: index */
:root{
  --plum:#34213f;--plum-deep:#25182d;--coral:#f06c55;--mint:#a9d8c4;
  --cream:#f7f4f1;--paper:#fff;--lilac:#f1ecf3;--ink:#2d2432;
  --muted:#776d7c;--line:#e7dfe8;--shadow:0 14px 36px rgba(52,33,63,.09);
  --shadow-hover:0 18px 42px rgba(52,33,63,.15);--radius:18px;--radius-sm:12px;
  --max:1200px;--ease:220ms ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.7}
a{color:inherit;text-decoration:none;transition:color var(--ease),transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(240,108,85,.45);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
.section{padding:88px 0;position:relative;overflow:hidden}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:currentColor;border-radius:3px}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(38px,5vw,56px);line-height:1.18;letter-spacing:-.045em;margin-bottom:20px}
h2{font-size:clamp(28px,3.2vw,38px);line-height:1.25;letter-spacing:-.035em;margin-bottom:10px}
h3{font-size:19px;line-height:1.4;margin-bottom:9px}
.section-desc{max-width:640px;color:var(--muted);margin:0}
.muted{color:var(--muted)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;background:rgba(240,108,85,.12);color:#be4f3e;border-radius:999px;font-size:12px;font-weight:800;line-height:1}
.badge.mint{background:rgba(169,216,196,.35);color:#356b58}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 19px;border:1px solid transparent;border-radius:12px;font-weight:800;line-height:1;white-space:nowrap}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(52,33,63,.15)}
.btn-primary{background:var(--coral);color:#fff}
.btn-dark{background:var(--plum);color:#fff}
.btn-light{background:#fff;color:var(--plum);border-color:#ded3e1}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.site-header{position:sticky;top:0;z-index:20;background:rgba(247,244,241,.92);backdrop-filter:blur(16px);border-bottom:1px solid transparent}
.site-header.scrolled{border-color:var(--line);box-shadow:0 5px 18px rgba(52,33,63,.05)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--plum);font-weight:900;font-size:20px;letter-spacing:-.04em;white-space:nowrap}
.logo-mark{width:33px;height:33px;border-radius:11px;background:var(--plum);position:relative;display:inline-block}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;border-radius:50%;background:var(--coral)}
.logo-mark:before{width:10px;height:10px;left:7px;top:7px}
.logo-mark:after{width:7px;height:7px;right:7px;bottom:7px;background:var(--mint)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{padding:9px 12px;border-radius:9px;font-size:14px;font-weight:750;color:#5f5364}
.nav-links a:hover,.nav-links a.active{color:var(--coral);background:rgba(240,108,85,.09)}
.menu-btn{display:none;border:0;background:var(--plum);color:#fff;border-radius:10px;padding:10px 12px;font-size:18px}
.hero{padding:72px 0 64px;background:linear-gradient(125deg,#f7f4f1 0%,#f7f4f1 52%,#eee7f1 100%);position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;width:520px;height:520px;border:54px solid rgba(169,216,196,.27);border-radius:50%;right:-220px;top:-250px}
.hero:after{content:"";position:absolute;width:13px;height:13px;border-radius:50%;background:var(--coral);left:48%;bottom:70px;box-shadow:35px 30px 0 rgba(52,33,63,.16),-42px 48px 0 rgba(169,216,196,.75)}
.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:54px;position:relative;z-index:1}
.hero-copy{padding:24px 0}
.hero-copy p{font-size:18px;color:var(--muted);max-width:600px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
.version-line{display:flex;flex-wrap:wrap;gap:9px;font-size:13px;color:#625969}
.version-line span{padding:5px 9px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.65)}
.discovery-board{background:var(--plum);color:#fff;padding:22px;border-radius:26px;box-shadow:var(--shadow);transform:rotate(1.5deg);position:relative;min-height:394px}
.discovery-board:before{content:"";position:absolute;right:24px;top:24px;width:76px;height:76px;border:1px solid rgba(255,255,255,.25);border-radius:50%}
.board-top{display:flex;justify-content:space-between;align-items:center;color:#f4eefa;font-size:13px;margin-bottom:20px}
.board-title{font-size:22px;font-weight:850}
.board-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:14px}
.feature-panel{min-height:270px;padding:22px;border-radius:18px;background:linear-gradient(145deg,#f06c55,#df5948);position:relative;overflow:hidden}
.feature-panel:after{content:"▶";position:absolute;font-size:80px;right:12px;bottom:-25px;color:rgba(255,255,255,.19)}
.feature-panel small,.mini-card small{display:block;opacity:.82;font-size:12px}
.feature-panel strong{font-size:27px;line-height:1.25;display:block;margin:18px 0}
.board-side{display:grid;gap:14px}
.mini-card{padding:16px;border-radius:16px;background:#4c3758}
.mini-card.mint-card{background:var(--mint);color:#254639}
.progress{height:7px;background:rgba(255,255,255,.24);border-radius:20px;margin-top:16px;overflow:hidden}
.progress i{display:block;width:74%;height:100%;border-radius:inherit;background:#fff}
.status-strip{padding:0 0 20px;background:var(--cream)}
.status-box{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 8px 24px rgba(52,33,63,.05)}
.status-item{padding:20px 22px;display:flex;align-items:center;gap:12px;border-right:1px solid var(--line)}
.status-item:last-child{border:0}
.status-icon{width:37px;height:37px;border-radius:12px;background:var(--lilac);color:var(--plum);display:grid;place-items:center;font-weight:900}
.status-item b{display:block;font-size:14px}.status-item small{display:block;color:var(--muted);font-size:12px}
.preview-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:74px;align-items:center}
.poster-stack{min-height:430px;position:relative}
.poster-main{position:absolute;inset:14px 54px 0 0;border-radius:24px;background:linear-gradient(155deg,#34213f,#664772);padding:28px;color:#fff;box-shadow:var(--shadow)}
.poster-main .badge{background:rgba(255,255,255,.16);color:#fff}
.poster-main h3{font-size:30px;margin:22px 0 12px}
.poster-main p{color:#ded4e1}
.poster-ribbon{position:absolute;right:0;bottom:24px;width:200px;padding:18px;background:#fff;border-radius:18px;box-shadow:var(--shadow);color:var(--plum)}
.poster-ribbon strong{font-size:26px;display:block}
.preview-points{display:grid;gap:14px}
.point{display:grid;grid-template-columns:48px 1fr;gap:15px;padding:18px 0;border-bottom:1px solid var(--line)}
.point:last-child{border:0}
.point-icon{width:45px;height:45px;border-radius:14px;display:grid;place-items:center;background:rgba(169,216,196,.44);font-size:20px}
.point p{margin:0;color:var(--muted);font-size:14px}
.channel-area{background:var(--lilac)}
.mosaic{display:grid;grid-template-columns:1.35fr 1fr 1fr;grid-template-rows:145px 145px;gap:14px}
.channel{display:flex;flex-direction:column;justify-content:space-between;padding:21px;border-radius:18px;background:#fff;border:1px solid rgba(52,33,63,.07);min-height:0}
.channel:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.channel strong{font-size:20px}.channel span{font-size:13px;color:var(--muted)}
.channel.big-one{grid-row:span 2;background:var(--plum);color:#fff}.channel.big-one span{color:#d9ccde}
.channel.big-two{grid-column:span 2;background:var(--mint)}.channel .arrow{font-size:22px;font-weight:800}
.featured-wrap{display:grid;grid-template-columns:300px 1fr;gap:32px;align-items:start}
.featured-intro{position:sticky;top:100px}
.featured-intro p{color:var(--muted)}
.topic-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.topic-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.topic-art{height:145px;background:linear-gradient(135deg,#d9c9df,#a9d8c4);position:relative}
.topic-art:after{content:"";width:56px;height:56px;border:2px solid rgba(255,255,255,.75);border-radius:50%;position:absolute;left:24px;bottom:22px}
.topic-card:nth-child(2) .topic-art{background:linear-gradient(135deg,#f5c0b6,#f06c55)}
.topic-card:nth-child(3) .topic-art{background:linear-gradient(135deg,#5b3d69,#a985b7)}
.topic-info{padding:16px}.topic-info h3{font-size:17px;margin:10px 0 7px}.topic-info small{color:var(--muted)}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;position:relative}
.step{padding:26px;background:#fff;border:1px solid var(--line);border-radius:18px;position:relative}
.step-num{font-size:13px;font-weight:900;color:var(--coral);letter-spacing:.08em}
.step-icon{font-size:29px;margin:18px 0 12px}.step p{color:var(--muted);font-size:14px;margin:0}
.step-actions{text-align:center;margin-top:27px}
.update-section{background:var(--plum-deep);color:#fff}
.update-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}
.update-section .eyebrow{color:var(--mint)}
.update-section h2{font-size:42px;margin:11px 0}
.update-section p{color:#d8cddd;max-width:430px}
.update-meta{display:flex;gap:16px;flex-wrap:wrap;margin-top:24px}.update-meta span{font-size:13px;color:#e1d5e5}
.update-list{display:grid;gap:11px}
.update-list div{padding:15px 18px;background:rgba(255,255,255,.08);border-radius:12px;color:#f3edf5}
.update-list b{color:var(--mint);margin-right:8px}
.update-section .btn{margin-top:25px}
.news-section{background:#fff}
.filter-row{display:flex;gap:9px;flex-wrap:wrap}
.filter-row span{padding:7px 12px;border-radius:999px;background:var(--lilac);font-size:13px;color:#605266}
.filter-row span:first-child{background:var(--plum);color:#fff}
.news-lead{display:grid;grid-template-columns:270px 1fr;gap:26px;align-items:center;background:var(--lilac);border-radius:20px;padding:22px;margin-bottom:18px}
.news-image{height:166px;border-radius:14px;background:linear-gradient(135deg,#34213f,#886994);position:relative;overflow:hidden}
.news-image:after{content:"动态";position:absolute;right:20px;bottom:13px;color:rgba(255,255,255,.8);font-size:26px;font-weight:900}
.news-lead h3{font-size:24px;margin:11px 0}.news-lead p{color:var(--muted);margin-bottom:12px}
.read-link{font-size:14px;color:var(--coral);font-weight:800}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
.news-card{padding:19px;border:1px solid var(--line);border-radius:16px;background:#fff}
.news-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.news-card h3{font-size:18px;margin:10px 0 8px}.news-card p{color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;color:var(--muted)}
.empty-state{padding:58px 20px;text-align:center;border:1px dashed #cdbfd2;border-radius:18px;color:var(--muted);background:var(--lilac)}
.empty-icon{font-size:32px;margin-bottom:10px}
.more-line{text-align:center;margin-top:25px}
.timeline{max-width:850px;margin:0 auto;position:relative}
.timeline:before{content:"";position:absolute;left:117px;top:8px;bottom:8px;width:1px;background:#d7c8db}
.time-item{display:grid;grid-template-columns:95px 44px 1fr;gap:15px;align-items:start;padding:0 0 27px}
.time-date{font-size:13px;color:var(--muted);padding-top:5px;text-align:right}.time-dot{width:15px;height:15px;border:4px solid var(--cream);background:var(--coral);border-radius:50%;margin:5px auto;box-shadow:0 0 0 1px #d7c8db}
.time-content{padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:14px}.time-content h3{font-size:16px;margin:8px 0 0}
.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.guide-box{padding:30px;border-radius:20px;background:#fff;border:1px solid var(--line)}
.guide-box.help{background:#f0ecef}
.guide-list{list-style:none;margin:20px 0 0;padding:0}.guide-list li{padding:13px 0;border-bottom:1px solid var(--line);font-size:15px}.guide-list li:last-child{border:0}.guide-list strong{color:var(--coral);margin-right:9px}
.help-item{display:flex;justify-content:space-between;align-items:center;padding:13px 0;border-bottom:1px solid #ddd3df;font-weight:700}.help-item:last-child{border:0}.help-item span{color:var(--coral)}
.faq-area{background:var(--lilac)}
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;border:0;background:#fff;padding:18px 20px;color:var(--ink);font-weight:800}
.faq-q b{font-size:23px;color:var(--coral);font-weight:400}
.faq-a{display:none;padding:0 20px 18px;color:var(--muted);font-size:14px}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q b:before{content:"−"}.faq-item.open .faq-q b{font-size:0}.faq-item.open .faq-q b:before{font-size:23px}
.closing{padding:82px 0;background:linear-gradient(110deg,#dff0e8,#eee8f0)}
.closing-grid{display:grid;grid-template-columns:1fr .9fr;gap:58px;align-items:center}
.feedback-form{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}.feedback-form textarea,.feedback-form select,.feedback-form input{width:100%;border:1px solid #cfc2d2;background:#fff;border-radius:10px;padding:12px 13px;color:var(--ink);outline:none}.feedback-form textarea{grid-column:span 2;height:90px;resize:vertical}.feedback-form .btn{justify-self:start}.field-note{grid-column:span 2;margin:0;color:var(--muted);font-size:12px}
.download-panel{background:var(--plum);color:#fff;padding:30px;border-radius:22px;box-shadow:var(--shadow)}.download-panel h2{font-size:29px}.download-panel p{color:#d9ccde}.download-panel .version-line span{border-color:rgba(255,255,255,.2);color:#f1eaf3;background:rgba(255,255,255,.07)}
.site-footer{background:var(--plum-deep);color:#e6dbe9;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:45px;padding-bottom:38px}.footer-brand .logo{color:#fff}.footer-brand p{font-size:14px;max-width:350px;color:#cdbfd2;margin:14px 0 0}.footer-title{font-size:14px;font-weight:900;color:#fff;margin:4px 0 14px}.footer-links{display:grid;gap:9px}.footer-links a{font-size:14px;color:#cdbfd2}.footer-links a:hover{color:var(--mint)}.copyright{padding-top:18px;border-top:1px solid rgba(255,255,255,.13);display:flex;justify-content:space-between;gap:15px;color:#b7a6bc;font-size:12px}
.mobile-download{display:none}
@media(max-width:1024px){.nav-links{gap:0}.hero-grid,.preview-grid,.update-grid,.closing-grid{gap:35px}.topic-cards{grid-template-columns:1fr 1fr}.topic-cards .topic-card:last-child{display:none}.featured-wrap{grid-template-columns:250px 1fr}.status-item{padding:16px}.mosaic{grid-template-columns:1.2fr 1fr 1fr}}
@media(max-width:767px){body{font-size:15px;padding-bottom:72px}.container{width:min(calc(100% - 40px),var(--max)}.section{padding:58px 0}.nav-wrap{height:67px}.nav-links{display:none;position:absolute;top:67px;left:20px;right:20px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px}.nav-wrap>.btn{display:none}.menu-btn{display:block}.hero{padding:43px 0}.hero-grid,.preview-grid,.update-grid,.closing-grid,.guide-grid{grid-template-columns:1fr}.hero-copy{padding:0}.hero-copy p{font-size:16px}.discovery-board{min-height:320px;transform:none}.feature-panel{min-height:208px}.status-box{grid-template-columns:1fr 1fr}.status-item{border-bottom:1px solid var(--line);padding:14px 12px}.status-item:nth-child(2){border-right:0}.status-item:nth-child(3),.status-item:nth-child(4){border-bottom:0}.poster-stack{min-height:345px}.featured-wrap{grid-template-columns:1fr}.featured-intro{position:static}.topic-cards{grid-template-columns:1fr 1fr}.steps-grid{grid-template-columns:1fr}.mosaic{grid-template-columns:1fr 1fr;grid-template-rows:auto}.channel.big-one{grid-row:span 1}.channel.big-two{grid-column:span 1}.channel{min-height:125px}.news-lead{grid-template-columns:1fr;padding:15px;gap:15px}.news-image{height:145px}.news-grid{grid-template-columns:1fr}.timeline:before{left:8px}.time-item{grid-template-columns:26px 1fr;gap:10px;padding-bottom:20px}.time-date{grid-column:2;grid-row:1;text-align:left;padding:0}.time-dot{grid-row:1 / span 2;margin:4px 0}.time-content{grid-column:2}.section-head{align-items:start;flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:span 2}.mobile-download{position:fixed;display:flex;z-index:30;bottom:0;left:0;right:0;padding:10px 20px;background:rgba(37,24,45,.96);backdrop-filter:blur(10px)}.mobile-download .btn{width:100%}}
@media(max-width:520px){h1{font-size:34px}.container{width:min(calc(100% - 32px),var(--max)}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}.board-layout{grid-template-columns:1fr}.board-side{grid-template-columns:1fr 1fr}.mini-card{padding:12px}.status-item{align-items:flex-start}.status-icon{width:31px;height:31px}.mosaic{grid-template-columns:1fr}.channel.big-one,.channel.big-two{grid-column:span 1}.topic-cards{grid-template-columns:1fr}.topic-cards .topic-card:last-child{display:block}.feedback-form{grid-template-columns:1fr}.feedback-form textarea,.field-note{grid-column:span 1}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.copyright{flex-direction:column}.update-section h2{font-size:34px}}

/* roulang page: article */
:root{
      --plum:#34213f;
      --plum-deep:#25182d;
      --coral:#f06c55;
      --mint:#a9d8c4;
      --cream:#f7f4f1;
      --paper:#fff;
      --lilac:#f1ecf3;
      --ink:#2d2432;
      --muted:#776d7c;
      --line:#e7dfe8;
      --shadow:0 14px 36px rgba(52,33,63,.09);
      --shadow-hover:0 18px 42px rgba(52,33,63,.15);
      --radius:18px;
      --radius-sm:12px;
      --max:1200px;
      --ease:220ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--cream);
      color:var(--ink);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      font-size:16px;
      line-height:1.7;
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:color var(--ease),transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease);
    }
    a:hover{color:var(--coral)}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(240,108,85,.42);outline-offset:3px}
    .container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:20;
      background:rgba(247,244,241,.94);
      backdrop-filter:blur(16px);
      border-bottom:1px solid var(--line);
      transition:box-shadow var(--ease),background var(--ease);
    }
    .site-header.scrolled{box-shadow:0 5px 18px rgba(52,33,63,.08)}
    .nav-wrap{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:10px;
      color:var(--plum);
      font-weight:900;
      font-size:20px;
      letter-spacing:-.04em;
      white-space:nowrap;
    }
    .logo:hover{color:var(--plum)}
    .logo-mark{
      width:33px;
      height:33px;
      border-radius:11px;
      background:var(--plum);
      position:relative;
      display:inline-block;
    }
    .logo-mark:before,.logo-mark:after{
      content:"";
      position:absolute;
      border-radius:50%;
      background:var(--coral);
    }
    .logo-mark:before{width:10px;height:10px;left:7px;top:7px}
    .logo-mark:after{width:7px;height:7px;right:7px;bottom:7px;background:var(--mint)}
    .nav-links{display:flex;align-items:center;gap:6px}
    .nav-links a{
      padding:9px 12px;
      border-radius:9px;
      font-size:14px;
      font-weight:750;
      color:#5f5364;
    }
    .nav-links a:hover,.nav-links a.active{
      color:var(--coral);
      background:rgba(240,108,85,.09);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:0 19px;
      border:1px solid transparent;
      border-radius:12px;
      font-weight:800;
      line-height:1;
      white-space:nowrap;
      transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
    }
    .btn:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(52,33,63,.15)}
    .btn-primary{background:var(--coral);color:#fff}
    .btn-primary:hover{background:#dc5b47;color:#fff}
    .btn-dark{background:var(--plum);color:#fff}
    .btn-dark:hover{background:#472b53;color:#fff}
    .btn-light{background:#fff;color:var(--plum);border-color:#ded3e1}
    .btn-light:hover{background:var(--lilac);color:var(--plum)}
    .menu-btn{
      display:none;
      border:0;
      background:var(--plum);
      color:#fff;
      border-radius:10px;
      padding:10px 12px;
      font-size:18px;
    }
    .article-hero{
      padding:76px 0 58px;
      background:linear-gradient(125deg,#f7f4f1 0%,#f7f4f1 57%,#eee7f1 100%);
      position:relative;
      overflow:hidden;
    }
    .article-hero:before{
      content:"";
      position:absolute;
      width:480px;
      height:480px;
      border:48px solid rgba(169,216,196,.25);
      border-radius:50%;
      right:-225px;
      top:-245px;
    }
    .article-hero:after{
      content:"";
      position:absolute;
      width:12px;
      height:12px;
      border-radius:50%;
      background:var(--coral);
      left:12%;
      bottom:36px;
      box-shadow:30px 22px 0 rgba(52,33,63,.15),-28px 38px 0 rgba(169,216,196,.8);
    }
    .article-hero-inner{position:relative;z-index:1;max-width:900px}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--coral);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
      margin-bottom:18px;
    }
    .eyebrow:before{
      content:"";
      width:22px;
      height:2px;
      background:currentColor;
      border-radius:3px;
    }
    .article-title{
      margin:0;
      max-width:900px;
      color:var(--plum);
      font-size:clamp(34px,5vw,54px);
      line-height:1.2;
      letter-spacing:-.045em;
      font-weight:900;
    }
    .article-summary{
      max-width:780px;
      color:var(--muted);
      font-size:18px;
      margin:22px 0 24px;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px 20px;
      color:var(--muted);
      font-size:14px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 11px;
      background:rgba(240,108,85,.12);
      color:#be4f3e;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      line-height:1;
    }
    .badge.mint{background:rgba(169,216,196,.35);color:#356b58}
    .breadcrumb-area{padding:22px 0 0}
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin:0;
      padding:0;
      color:var(--muted);
      font-size:13px;
      list-style:none;
    }
    .breadcrumb li+li:before{
      content:"/";
      color:#b1a5b5;
      margin-right:8px;
    }
    .breadcrumb a:hover{color:var(--coral)}
    .reading-layout{
      display:grid;
      grid-template-columns:minmax(0,820px) 250px;
      align-items:start;
      gap:58px;
      padding:42px 0 88px;
    }
    .article-content{
      min-width:0;
      background:var(--paper);
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:42px 48px;
      box-shadow:var(--shadow);
      font-size:17px;
      line-height:1.95;
    }
    .article-content h2{
      color:var(--plum);
      font-size:30px;
      line-height:1.35;
      margin:42px 0 16px;
      letter-spacing:-.025em;
    }
    .article-content h3{
      color:var(--plum);
      font-size:21px;
      line-height:1.45;
      margin:30px 0 12px;
    }
    .article-content h2:first-child{margin-top:0}
    .article-content p{margin:0 0 20px}
    .article-content ul,.article-content ol{padding-left:1.5em;margin:0 0 24px}
    .article-content li{margin:7px 0}
    .article-content blockquote{
      margin:28px 0;
      padding:18px 22px;
      border-left:4px solid var(--coral);
      background:var(--lilac);
      color:#55485b;
      border-radius:0 var(--radius-sm) var(--radius-sm) 0;
    }
    .article-content img{
      width:100%;
      border-radius:15px;
      margin:28px 0 10px;
    }
    .article-content figure{margin:28px 0}
    .article-content figcaption{
      text-align:center;
      color:var(--muted);
      font-size:13px;
    }
    .article-content table{
      width:100%;
      border-collapse:collapse;
      margin:24px 0;
      font-size:15px;
    }
    .article-content th,.article-content td{
      padding:12px 14px;
      border:1px solid var(--line);
      text-align:left;
    }
    .article-content th{background:var(--lilac);color:var(--plum)}
    .article-content hr{border:0;border-top:1px solid var(--line);margin:34px 0}
    .article-content a{color:var(--coral);font-weight:700}
    .article-content a:hover{text-decoration:underline}
    .article-aside{position:sticky;top:100px}
    .aside-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:22px;
      box-shadow:0 8px 24px rgba(52,33,63,.06);
    }
    .aside-card+.aside-card{margin-top:16px}
    .aside-title{
      color:var(--plum);
      font-size:16px;
      font-weight:850;
      margin-bottom:14px;
    }
    .aside-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .aside-list li{
      padding:10px 0;
      border-bottom:1px solid var(--line);
      color:var(--muted);
      font-size:14px;
    }
    .aside-list li:last-child{border-bottom:0;padding-bottom:0}
    .aside-list a:hover{color:var(--coral)}
    .download-card{
      background:var(--plum-deep);
      color:#fff;
      border-radius:var(--radius);
      padding:28px;
      margin:0 0 44px;
      position:relative;
      overflow:hidden;
    }
    .download-card:after{
      content:"";
      position:absolute;
      width:160px;
      height:160px;
      border:22px solid rgba(169,216,196,.16);
      border-radius:50%;
      right:-72px;
      bottom:-76px;
    }
    .download-card .eyebrow{color:var(--mint);position:relative;z-index:1}
    .download-card h2{
      position:relative;
      z-index:1;
      margin:3px 0 8px;
      font-size:25px;
      line-height:1.35;
    }
    .download-card p{
      position:relative;
      z-index:1;
      margin:0 0 20px;
      color:#d8cddd;
      font-size:14px;
      max-width:660px;
    }
    .download-meta{
      display:flex;
      flex-wrap:wrap;
      gap:9px 20px;
      margin:0 0 20px;
      color:#eee6f0;
      font-size:13px;
      position:relative;
      z-index:1;
    }
    .download-card .btn{position:relative;z-index:1}
    .article-end{
      padding:0 0 88px;
    }
    .end-panel{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:24px;
      padding:27px 30px;
      background:var(--lilac);
      border:1px solid var(--line);
      border-radius:var(--radius);
    }
    .end-panel h2{
      color:var(--plum);
      margin:0 0 5px;
      font-size:22px;
    }
    .end-panel p{margin:0;color:var(--muted);font-size:14px}
    .not-found{
      padding:76px 30px;
      text-align:center;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .not-found-icon{
      width:62px;
      height:62px;
      display:grid;
      place-items:center;
      margin:0 auto 18px;
      border-radius:20px;
      color:var(--plum);
      background:var(--mint);
      font-size:28px;
      font-weight:900;
    }
    .not-found h2{margin:0 0 8px;color:var(--plum);font-size:28px}
    .not-found p{margin:0 0 24px;color:var(--muted)}
    .site-footer{
      padding:52px 0 22px;
      background:var(--plum-deep);
      color:#e7dfe9;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.7fr 1fr 1fr;
      gap:40px;
      padding-bottom:38px;
    }
    .site-footer .logo{color:#fff}
    .footer-brand p{
      max-width:310px;
      margin:14px 0 0;
      color:#cbbdce;
      font-size:14px;
    }
    .footer-title{
      color:#fff;
      font-weight:800;
      font-size:14px;
      margin-bottom:13px;
    }
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#cbbdce;font-size:14px}
    .footer-links a:hover{color:var(--mint)}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.13);
      color:#a99aab;
      font-size:13px;
    }
    @media (max-width:1023px){
      .reading-layout{grid-template-columns:minmax(0,1fr);gap:24px}
      .article-aside{position:static;display:grid;grid-template-columns:1fr 1fr;gap:16px}
      .aside-card+.aside-card{margin-top:0}
    }
    @media (max-width:767px){
      .container{width:min(calc(100% - 40px),var(--max))}
      .nav-wrap{height:68px}
      .nav-wrap>.btn{display:none}
      .menu-btn{display:block}
      .nav-links{
        display:none;
        position:absolute;
        top:68px;
        left:20px;
        right:20px;
        padding:10px;
        background:#fff;
        border:1px solid var(--line);
        border-radius:14px;
        box-shadow:var(--shadow);
        flex-direction:column;
        align-items:stretch;
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .article-hero{padding:54px 0 44px}
      .article-title{font-size:35px}
      .article-summary{font-size:16px}
      .reading-layout{padding:28px 0 60px}
      .article-content{padding:28px 22px;font-size:16px;line-height:1.85}
      .article-content h2{font-size:26px}
      .article-content h3{font-size:20px}
      .article-aside{grid-template-columns:1fr}
      .download-card{padding:24px;margin-bottom:28px}
      .end-panel{display:block;padding:24px}
      .end-panel .btn{margin-top:18px;width:100%}
      .article-end{padding-bottom:60px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-brand{grid-column:1/-1}
      .copyright{display:block}
      .copyright span{display:block;margin-top:5px}
    }
    @media (max-width:520px){
      .article-meta{display:grid;gap:7px}
      .breadcrumb-area{padding-top:16px}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
    }

/* roulang page: category1 */
:root{
      --plum:#34213f;--plum-deep:#25182d;--coral:#f06c55;--mint:#a9d8c4;
      --cream:#f7f4f1;--paper:#fff;--lilac:#f1ecf3;--ink:#2d2432;
      --muted:#776d7c;--line:#e7dfe8;--shadow:0 14px 36px rgba(52,33,63,.09);
      --shadow-hover:0 18px 42px rgba(52,33,63,.15);--radius:18px;--radius-sm:12px;
      --max:1200px;--ease:220ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none;transition:color var(--ease),transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(240,108,85,.42);outline-offset:3px}
    .container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
    .section{padding:88px 0;position:relative}
    .section-soft{background:var(--lilac)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}
    .section-head h2{font-size:34px;line-height:1.25;letter-spacing:-.04em;margin:8px 0 0}
    .section-desc{max-width:590px;color:var(--muted);margin:0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:22px;height:2px;background:currentColor;border-radius:3px}
    .muted{color:var(--muted)}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;background:rgba(240,108,85,.12);color:#bb4c3b;border-radius:999px;font-size:12px;font-weight:800;line-height:1}
    .badge.mint{background:rgba(169,216,196,.38);color:#356b58}
    .badge.dark{background:rgba(52,33,63,.09);color:var(--plum)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 19px;border:1px solid transparent;border-radius:12px;font-weight:800;line-height:1;white-space:nowrap}
    .btn:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(52,33,63,.15)}
    .btn-primary{background:var(--coral);color:#fff}
    .btn-dark{background:var(--plum);color:#fff}
    .btn-light{background:#fff;color:var(--plum);border-color:#ded3e1}
    .btn-ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(247,244,241,.92);backdrop-filter:blur(16px);border-bottom:1px solid transparent}
    .site-header.scrolled{border-color:var(--line);box-shadow:0 5px 18px rgba(52,33,63,.05)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .logo{display:inline-flex;align-items:center;gap:10px;color:var(--plum);font-weight:900;font-size:20px;letter-spacing:-.04em;white-space:nowrap}
    .logo-mark{width:33px;height:33px;border-radius:11px;background:var(--plum);position:relative;display:inline-block}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;border-radius:50%;background:var(--coral)}
    .logo-mark:before{width:10px;height:10px;left:7px;top:7px}
    .logo-mark:after{width:7px;height:7px;right:7px;bottom:7px;background:var(--mint)}
    .nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
    .nav-links a{padding:9px 12px;border-radius:9px;font-size:14px;font-weight:750;color:#5f5364}
    .nav-links a:hover,.nav-links a.active{color:var(--coral);background:rgba(240,108,85,.09)}
    .menu-btn{display:none;border:0;background:var(--plum);color:#fff;border-radius:10px;padding:10px 12px;font-size:18px;line-height:1}
    .page-head{padding:70px 0 58px;overflow:hidden;position:relative;background:linear-gradient(135deg,#f7f4f1 0%,#f7f4f1 58%,#eee7f1 100%)}
    .page-head:before{content:"";position:absolute;width:380px;height:380px;border:42px solid rgba(169,216,196,.35);border-radius:50%;right:-150px;top:-215px}
    .page-head:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--coral);right:20%;bottom:57px;box-shadow:26px 18px 0 rgba(52,33,63,.15),-18px 39px 0 rgba(169,216,196,.85)}
    .page-head-grid{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:50px;position:relative;z-index:1}
    .breadcrumbs{display:flex;flex-wrap:wrap;gap:9px;color:var(--muted);font-size:13px;margin-bottom:16px}
    .breadcrumbs span:last-child{color:var(--coral);font-weight:700}
    h1{font-size:52px;line-height:1.14;letter-spacing:-.055em;margin:12px 0 18px;color:var(--plum)}
    .head-copy{max-width:670px;font-size:17px;color:var(--muted);margin:0 0 26px}
    .head-actions{display:flex;flex-wrap:wrap;gap:12px}
    .status-card{padding:26px;border-radius:var(--radius);background:var(--plum);color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .status-card:after{content:"↓";position:absolute;right:24px;bottom:-34px;font-size:126px;color:rgba(255,255,255,.08);font-weight:800}
    .status-card .badge{background:rgba(169,216,196,.25);color:#e2f4ec}
    .status-card h2{font-size:25px;margin:17px 0 7px;position:relative}
    .status-card p{position:relative;color:#d9cedd;font-size:14px;margin:0}
    .status-meta{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:21px;position:relative}
    .status-meta div{padding:10px 0;border-top:1px solid rgba(255,255,255,.15);font-size:12px;color:#d9cedd}
    .status-meta strong{display:block;color:#fff;font-size:14px;margin-top:2px}
    .version-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .version-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:0 5px 15px rgba(52,33,63,.035);display:flex;flex-direction:column;min-height:280px}
    .version-card.featured{background:linear-gradient(155deg,#fff 0%,#f7edf0 100%);border-color:rgba(240,108,85,.36)}
    .version-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
    .version-card h3{font-size:21px;margin:17px 0 8px;letter-spacing:-.03em}
    .version-card p{font-size:14px;color:var(--muted);margin:0}
    .version-data{display:grid;gap:8px;margin:17px 0 20px}
    .version-data div{display:flex;justify-content:space-between;gap:14px;color:var(--muted);font-size:13px}
    .version-data strong{color:var(--ink);font-weight:750;text-align:right}
    .version-card .btn{margin-top:auto;width:100%}
    .steps-wrap{position:relative}
    .steps-wrap:before{content:"";position:absolute;height:2px;background:linear-gradient(90deg,var(--coral),var(--mint));left:16%;right:16%;top:42px}
    .steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
    .step-card{position:relative;padding:0 10px}
    .step-no{width:84px;height:84px;border-radius:28px;background:var(--paper);border:1px solid var(--line);display:grid;place-items:center;color:var(--coral);font-weight:900;font-size:24px;box-shadow:0 8px 20px rgba(52,33,63,.07);margin-bottom:20px}
    .step-card h3{font-size:19px;margin:0 0 7px}
    .step-card p{margin:0;color:var(--muted);font-size:14px}
    .notice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .notice-card{display:flex;gap:16px;padding:22px;background:var(--paper);border:1px solid var(--line);border-radius:16px}
    .notice-icon{flex:0 0 42px;width:42px;height:42px;border-radius:14px;background:rgba(169,216,196,.38);color:#356b58;display:grid;place-items:center;font-size:19px;font-weight:900}
    .notice-card:nth-child(2) .notice-icon{background:rgba(240,108,85,.12);color:var(--coral)}
    .notice-card:nth-child(3) .notice-icon{background:rgba(52,33,63,.09);color:var(--plum)}
    .notice-card h3{font-size:17px;margin:0 0 4px}
    .notice-card p{font-size:14px;color:var(--muted);margin:0}
    .safe-panel{background:var(--plum-deep);padding:66px 0;color:#fff;position:relative;overflow:hidden}
    .safe-panel:before{content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(169,216,196,.27);border-radius:50%;left:-170px;bottom:-200px}
    .safe-grid{display:grid;grid-template-columns:.84fr 1.16fr;gap:60px;align-items:center;position:relative}
    .safe-panel h2{font-size:35px;line-height:1.25;margin:10px 0 14px}
    .safe-panel p{color:#d8cddd;margin:0}
    .safe-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .safe-item{padding:20px;border-radius:15px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.09)}
    .safe-item span{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:rgba(169,216,196,.23);color:var(--mint);font-weight:900;margin-bottom:13px}
    .safe-item h3{font-size:17px;margin:0 0 5px}
    .safe-item p{font-size:13px;color:#d8cddd}
    .content-list{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .content-feature{padding:28px;background:var(--plum);color:#fff;border-radius:var(--radius);min-height:290px;position:relative;overflow:hidden;display:flex;flex-direction:column}
    .content-feature:after{content:"APP";position:absolute;right:-8px;bottom:-29px;font-size:87px;font-weight:900;color:rgba(255,255,255,.07);letter-spacing:-.08em}
    .content-feature h3{font-size:27px;line-height:1.3;max-width:460px;margin:18px 0 12px;position:relative}
    .content-feature p{color:#d9cedd;font-size:14px;max-width:530px;position:relative;margin:0 0 18px}
    .content-feature .article-link{margin-top:auto;position:relative;color:var(--mint)}
    .compact-list{display:grid;gap:12px}
    .article-card{background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:18px 20px;display:block}
    .article-card:hover{transform:translateX(4px);border-color:rgba(240,108,85,.45);box-shadow:0 10px 22px rgba(52,33,63,.08)}
    .article-meta{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:12px;margin-bottom:7px}
    .article-card h3{font-size:17px;line-height:1.42;margin:0 0 5px}
    .article-card p{font-size:13px;color:var(--muted);line-height:1.55;margin:0}
    .more-row{margin-top:25px;text-align:right}
    .more-link{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:14px;font-weight:800}
    .more-link:hover{color:#bc4e3e;transform:translateX(3px)}
    .faq-feedback{display:grid;grid-template-columns:1.12fr .88fr;gap:30px;align-items:start}
    .faq-list{display:grid;gap:10px}
    .faq-item{background:var(--paper);border:1px solid var(--line);border-radius:14px;overflow:hidden}
    .faq-question{width:100%;border:0;background:transparent;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:18px;color:var(--ink);font-weight:800;text-align:left}
    .faq-question span:last-child{font-size:23px;font-weight:400;color:var(--coral);transition:transform var(--ease)}
    .faq-answer{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .feedback-card{background:linear-gradient(145deg,#d9eee5,#c6e4d8);border-radius:var(--radius);padding:28px}
    .feedback-card h2{font-size:25px;line-height:1.3;margin:10px 0}
    .feedback-card p{font-size:14px;color:#416557;margin:0 0 19px}
    .feedback-form{display:grid;gap:12px}
    .form-control,.form-select{border:1px solid rgba(52,33,63,.16);background:rgba(255,255,255,.85);border-radius:10px;padding:12px 13px;color:var(--ink);box-shadow:none}
    textarea.form-control{min-height:96px;resize:vertical}
    .form-tip{font-size:12px;color:#547467;margin:0}
    .site-footer{background:var(--plum-deep);color:#eee6f0;padding:60px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.45fr .8fr .8fr;gap:54px;padding-bottom:42px}
    .site-footer .logo{color:#fff}
    .footer-brand p{max-width:280px;margin:15px 0 0;color:#cfc1d3;font-size:14px}
    .footer-title{font-size:14px;font-weight:850;color:#fff;margin:4px 0 14px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#cfc1d3;font-size:14px}
    .footer-links a:hover{color:var(--mint);transform:translateX(3px)}
    .copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;justify-content:space-between;gap:16px;color:#b9aabd;font-size:13px}
    .mobile-download{display:none}
    @media (max-width:1024px){
      .page-head-grid,.safe-grid{grid-template-columns:1fr;gap:30px}
      .status-card{max-width:620px}
      .version-grid{grid-template-columns:repeat(2,1fr)}
      .content-list,.faq-feedback{grid-template-columns:1fr}
      .safe-grid{gap:36px}
      .section{padding:70px 0}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 40px),var(--max))}
      .nav-wrap{height:68px}
      .menu-btn{display:block;margin-left:auto}
      .nav-wrap>.btn{display:none}
      .nav-links{display:none;position:absolute;top:68px;left:20px;right:20px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:11px 13px}
      .page-head{padding:52px 0 47px}
      h1{font-size:38px}
      .section-head{display:block;margin-bottom:26px}
      .section-head h2{font-size:29px}
      .section-desc{margin-top:13px}
      .version-grid,.notice-grid,.safe-list{grid-template-columns:1fr}
      .steps-wrap:before{width:2px;height:auto;top:24px;bottom:28px;left:41px;right:auto;background:linear-gradient(var(--coral),var(--mint))}
      .steps-grid{grid-template-columns:1fr;gap:24px}
      .step-card{display:grid;grid-template-columns:84px 1fr;column-gap:18px;padding:0}
      .step-no{grid-row:span 2;margin:0;width:82px;height:82px}
      .step-card h3{align-self:end}
      .step-card p{align-self:start}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-brand{grid-column:1/-1}
      .mobile-download{position:fixed;left:16px;right:16px;bottom:14px;z-index:30;display:flex;min-height:52px;box-shadow:0 14px 28px rgba(37,24,45,.28)}
      body{padding-bottom:76px}
    }
    @media (max-width:520px){
      .container{width:min(calc(100% - 32px),var(--max))}
      h1{font-size:32px}
      .head-copy{font-size:15px}
      .head-actions,.head-actions .btn{width:100%}
      .status-meta{grid-template-columns:1fr 1fr}
      .section{padding:57px 0}
      .section-head h2,.safe-panel h2{font-size:27px}
      .content-feature{min-height:260px;padding:22px}
      .content-feature h3{font-size:23px}
      .footer-grid{grid-template-columns:1fr;gap:27px}
      .footer-brand{grid-column:auto}
      .copyright{display:grid;gap:4px}
      .faq-question{padding:16px}
      .faq-answer{padding:0 16px 17px}
    }

/* roulang page: category3 */
:root{
      --plum:#34213f;--plum-deep:#25182d;--coral:#f06c55;--mint:#a9d8c4;
      --cream:#f7f4f1;--paper:#fff;--lilac:#f1ecf3;--ink:#2d2432;
      --muted:#776d7c;--line:#e7dfe8;--shadow:0 14px 36px rgba(52,33,63,.09);
      --shadow-hover:0 18px 42px rgba(52,33,63,.15);--radius:18px;--radius-sm:12px;
      --max:1200px;--ease:220ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none;transition:color var(--ease),transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(240,108,85,.34);outline-offset:3px}
    .container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
    .section{padding:82px 0;position:relative;overflow:hidden}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px}
    .section-head h2{margin:7px 0 0;font-size:34px;letter-spacing:-.045em;line-height:1.25}
    .section-desc{max-width:550px;margin:0;color:var(--muted)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:13px;font-weight:850;letter-spacing:.08em}
    .eyebrow:before{content:"";width:22px;height:2px;border-radius:3px;background:currentColor}
    .badge{display:inline-flex;align-items:center;gap:6px;width:max-content;padding:5px 10px;border-radius:999px;background:rgba(240,108,85,.12);color:#b84d3c;font-size:12px;font-weight:800;line-height:1.2}
    .badge.mint{background:rgba(169,216,196,.38);color:#376d5b}
    .badge.plum{background:rgba(52,33,63,.1);color:var(--plum)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 19px;border:1px solid transparent;border-radius:12px;font-weight:800;line-height:1;white-space:nowrap}
    .btn:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(52,33,63,.15)}
    .btn-primary{background:var(--coral);color:#fff}
    .btn-dark{background:var(--plum);color:#fff}
    .btn-light{background:#fff;color:var(--plum);border-color:#ded3e1}
    .btn-ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(247,244,241,.92);backdrop-filter:blur(16px);border-bottom:1px solid transparent}
    .site-header.scrolled{border-color:var(--line);box-shadow:0 5px 18px rgba(52,33,63,.05)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .logo{display:inline-flex;align-items:center;gap:10px;color:var(--plum);font-weight:900;font-size:20px;letter-spacing:-.04em;white-space:nowrap}
    .logo-mark{width:33px;height:33px;border-radius:11px;background:var(--plum);position:relative;display:inline-block}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;border-radius:50%;background:var(--coral)}
    .logo-mark:before{width:10px;height:10px;left:7px;top:7px}
    .logo-mark:after{width:7px;height:7px;right:7px;bottom:7px;background:var(--mint)}
    .nav-links{display:flex;align-items:center;gap:6px}
    .nav-links a{padding:9px 12px;border-radius:9px;font-size:14px;font-weight:750;color:#5f5364}
    .nav-links a:hover,.nav-links a.active{color:var(--coral);background:rgba(240,108,85,.09)}
    .menu-btn{display:none;border:0;background:var(--plum);color:#fff;border-radius:10px;padding:10px 12px;font-size:18px;line-height:1}
    .page-banner{padding:66px 0 58px;position:relative;background:linear-gradient(135deg,#f1ecf3 0%,#f7f4f1 62%,#e9f3ed 100%);overflow:hidden}
    .page-banner:before{content:"";position:absolute;right:8%;top:-88px;width:250px;height:250px;border:30px solid rgba(169,216,196,.36);border-radius:50%}
    .page-banner:after{content:"";position:absolute;left:6%;bottom:24px;width:7px;height:7px;background:var(--coral);border-radius:50%;box-shadow:24px -10px 0 rgba(52,33,63,.18),45px 13px 0 rgba(169,216,196,.95),67px -8px 0 rgba(240,108,85,.35)}
    .banner-content{position:relative;z-index:1;display:grid;grid-template-columns:1.18fr .82fr;gap:42px;align-items:end}
    .breadcrumb{display:flex;align-items:center;gap:9px;margin-bottom:15px;color:var(--muted);font-size:13px}
    .breadcrumb span{color:#b4a8b6}
    h1{margin:0;font-size:50px;letter-spacing:-.06em;line-height:1.15;color:var(--plum)}
    .banner-copy p{max-width:690px;margin:18px 0 0;color:var(--muted);font-size:17px}
    .update-stamp{padding:23px 25px;border:1px solid rgba(52,33,63,.1);border-radius:var(--radius);background:rgba(255,255,255,.76);box-shadow:var(--shadow)}
    .update-stamp small{display:block;color:var(--muted);font-size:13px}
    .update-stamp strong{display:block;margin:5px 0 12px;color:var(--plum);font-size:26px;line-height:1.25}
    .stamp-line{display:flex;align-items:center;gap:9px;padding-top:12px;border-top:1px solid var(--line);font-size:13px;font-weight:750;color:#5c5061}
    .stamp-dot{width:9px;height:9px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 5px rgba(169,216,196,.25)}
    .lead-story{display:grid;grid-template-columns:1.05fr .95fr;border:1px solid var(--line);border-radius:22px;background:var(--paper);overflow:hidden;box-shadow:var(--shadow)}
    .lead-visual{min-height:320px;padding:28px;position:relative;background:linear-gradient(150deg,#34213f 0%,#5d3f6b 58%,#f06c55 170%);color:#fff;overflow:hidden}
    .lead-visual:before{content:"";position:absolute;right:-54px;bottom:-68px;width:240px;height:240px;border:36px solid rgba(169,216,196,.28);border-radius:50%}
    .lead-visual:after{content:"";position:absolute;left:32px;bottom:34px;width:155px;height:1px;background:rgba(255,255,255,.38);box-shadow:0 16px 0 rgba(255,255,255,.2),0 32px 0 rgba(255,255,255,.12)}
    .visual-top{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center}
    .calendar-number{position:absolute;right:34px;top:86px;z-index:1;font-size:88px;line-height:1;font-weight:900;letter-spacing:-.08em;color:rgba(255,255,255,.18)}
    .visual-label{position:absolute;z-index:1;left:30px;bottom:86px;font-size:19px;font-weight:800}
    .lead-copy{padding:38px 40px;display:flex;flex-direction:column;justify-content:center}
    .lead-copy h2{margin:14px 0;font-size:30px;line-height:1.35;letter-spacing:-.045em}
    .lead-copy p{margin:0;color:var(--muted)}
    .story-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:5px;color:var(--muted);font-size:13px}
    .text-link{display:inline-flex;align-items:center;gap:8px;margin-top:24px;color:var(--coral);font-weight:850}
    .text-link:hover{color:var(--plum);transform:translateX(3px)}
    .timeline-section{background:var(--lilac)}
    .timeline{position:relative;max-width:970px;margin:0 auto}
    .timeline:before{content:"";position:absolute;left:148px;top:16px;bottom:16px;width:1px;background:#d7c9dc}
    .timeline-item{display:grid;grid-template-columns:125px 1fr;gap:36px;position:relative;padding:0 0 29px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-date{text-align:right;color:var(--plum);font-weight:850;font-size:14px}
    .timeline-date small{display:block;color:var(--muted);font-weight:500;font-size:12px}
    .timeline-content{position:relative;padding:21px 24px;border:1px solid rgba(52,33,63,.1);border-radius:15px;background:rgba(255,255,255,.8)}
    .timeline-content:before{content:"";position:absolute;left:-42px;top:25px;width:13px;height:13px;border-radius:50%;background:var(--coral);border:4px solid var(--lilac);box-shadow:0 0 0 1px #cdbdd2}
    .timeline-content h3{margin:9px 0 5px;font-size:18px;line-height:1.4}
    .timeline-content p{margin:0;color:var(--muted);font-size:14px}
    .quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .quick-panel{padding:29px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);box-shadow:0 8px 24px rgba(52,33,63,.045)}
    .quick-panel.version{background:var(--plum);border-color:var(--plum);color:#fff}
    .quick-panel h2{margin:11px 0 20px;font-size:25px;letter-spacing:-.04em}
    .quick-panel.version .eyebrow{color:var(--mint)}
    .quick-list{margin:0;padding:0;list-style:none}
    .quick-list li{display:flex;align-items:flex-start;justify-content:space-between;gap:15px;padding:13px 0;border-top:1px solid var(--line)}
    .quick-list li:first-child{border-top:0;padding-top:0}
    .quick-list a{font-weight:750;line-height:1.45}
    .quick-list a:hover{color:var(--coral)}
    .quick-list time{flex:none;color:var(--muted);font-size:12px}
    .version .quick-list li{border-color:rgba(255,255,255,.15)}
    .version .quick-list time{color:#d9cadf}
    .version .quick-list a:hover{color:var(--mint)}
    .dynamic-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .dynamic-card{padding:24px;border:1px solid var(--line);border-radius:17px;background:var(--paper);position:relative;overflow:hidden}
    .dynamic-card:first-child{grid-column:span 2;display:grid;grid-template-columns:150px 1fr;gap:24px;align-items:center;background:linear-gradient(120deg,#fff 0%,#fff 68%,#f4eff5 100%)}
    .date-box{display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:118px;border-radius:14px;background:var(--plum);color:#fff}
    .date-box b{font-size:39px;line-height:1}
    .date-box span{font-size:13px;color:#ded2e2}
    .card-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:12px}
    .dynamic-card h3{margin:12px 0 7px;font-size:20px;line-height:1.45;letter-spacing:-.025em}
    .dynamic-card p{margin:0;color:var(--muted);font-size:14px}
    .dynamic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#d7c8dc}
    .more-row{display:flex;justify-content:center;margin-top:30px}
    .keywords-wrap{padding:35px 38px;border-radius:22px;background:#e7f1eb;position:relative;overflow:hidden}
    .keywords-wrap:after{content:"";position:absolute;right:-65px;top:-76px;width:220px;height:220px;border:30px solid rgba(52,33,63,.08);border-radius:50%}
    .keywords-wrap h2{margin:9px 0 7px;font-size:29px;letter-spacing:-.04em}
    .keywords-wrap p{margin:0;color:#5e7068}
    .keyword-cloud{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:11px;margin-top:23px}
    .keyword{display:inline-flex;align-items:center;gap:7px;padding:9px 13px;border:1px solid rgba(52,33,63,.1);border-radius:999px;background:rgba(255,255,255,.8);font-size:14px;font-weight:750;color:var(--plum)}
    .keyword i{width:7px;height:7px;border-radius:50%;background:var(--coral)}
    .keyword em{font-style:normal;color:var(--muted);font-size:12px;font-weight:600}
    .subscribe-section{padding-top:30px}
    .subscribe-box{display:grid;grid-template-columns:1fr auto;align-items:center;gap:32px;padding:38px 42px;border-radius:22px;background:var(--plum-deep);color:#fff;overflow:hidden;position:relative}
    .subscribe-box:after{content:"";position:absolute;right:4%;top:-112px;width:270px;height:270px;border:38px solid rgba(169,216,196,.17);border-radius:50%}
    .subscribe-box h2{position:relative;z-index:1;margin:7px 0;font-size:30px;letter-spacing:-.04em}
    .subscribe-box p{position:relative;z-index:1;margin:0;color:#d9cedd}
    .subscribe-form{position:relative;z-index:1;display:flex;gap:10px;min-width:410px}
    .subscribe-form input{width:100%;height:48px;padding:0 15px;border:1px solid rgba(255,255,255,.28);border-radius:11px;background:rgba(255,255,255,.1);color:#fff;outline:0}
    .subscribe-form input::placeholder{color:#cbbdce}
    .subscribe-form input:focus{border-color:var(--mint);box-shadow:0 0 0 3px rgba(169,216,196,.18)}
    .faq-feedback{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:start}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;padding:18px 0;display:flex;align-items:center;justify-content:space-between;gap:18px;border:0;background:transparent;color:var(--ink);text-align:left;font-weight:800}
    .faq-question span:last-child{width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:var(--lilac);color:var(--plum);font-size:20px;line-height:1;transition:transform var(--ease),background var(--ease)}
    .faq-answer{display:none;padding:0 42px 19px 0;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);background:rgba(240,108,85,.13);color:var(--coral)}
    .feedback-card{padding:28px;border-radius:18px;background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow)}
    .feedback-card h2{margin:9px 0 4px;font-size:26px;letter-spacing:-.04em}
    .feedback-card p{margin:0 0 19px;color:var(--muted);font-size:14px}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:11px}
    .field{width:100%;height:46px;padding:0 13px;border:1px solid var(--line);border-radius:10px;background:#fcfbfc;color:var(--ink);outline:0}
    textarea.field{height:94px;padding-top:11px;resize:vertical}
    .field:focus{border-color:var(--coral);box-shadow:0 0 0 3px rgba(240,108,85,.12)}
    .feedback-card .btn{width:100%;margin-top:12px}
    .form-tip{margin:9px 0 0;color:var(--muted);font-size:12px}
    .site-footer{margin-top:84px;padding:64px 0 20px;background:var(--plum-deep);color:#f3edf5}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:56px;padding-bottom:45px}
    .site-footer .logo{color:#fff}
    .site-footer .logo-mark{background:#fff}
    .site-footer .logo-mark:before{background:var(--coral)}
    .site-footer .logo-mark:after{background:var(--mint)}
    .footer-brand p{max-width:310px;margin:14px 0 0;color:#cdbed2;font-size:14px}
    .footer-title{margin-bottom:14px;color:var(--mint);font-size:13px;font-weight:850;letter-spacing:.06em}
    .footer-links{display:grid;gap:8px}
    .footer-links a{width:max-content;color:#e2d7e5;font-size:14px}
    .footer-links a:hover{color:var(--coral);transform:translateX(3px)}
    .copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);color:#bcaec1;font-size:13px}
    @media(max-width:1024px){
      .banner-content{grid-template-columns:1fr .7fr}
      .lead-copy{padding:30px}
      .subscribe-form{min-width:340px}
      .section{padding:70px 0}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 40px),var(--max))}
      .nav-wrap{height:68px}
      .nav-links{display:none;position:absolute;left:20px;right:20px;top:64px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:11px 13px}
      .nav-wrap>.btn{display:none}
      .menu-btn{display:block}
      .page-banner{padding:46px 0}
      .banner-content,.lead-story,.quick-grid,.faq-feedback{grid-template-columns:1fr}
      .update-stamp{margin-top:6px}
      h1{font-size:37px}
      .section{padding:58px 0}
      .section-head{display:block;margin-bottom:24px}
      .section-head h2{font-size:29px}
      .section-desc{margin-top:13px}
      .lead-visual{min-height:230px}
      .lead-copy{padding:27px 25px}
      .timeline:before{left:15px}
      .timeline-item{grid-template-columns:1fr;gap:9px;padding-left:40px}
      .timeline-date{text-align:left}
      .timeline-content:before{left:-32px;top:22px;border-color:var(--lilac)}
      .dynamic-list{grid-template-columns:1fr}
      .dynamic-card:first-child{grid-column:auto;grid-template-columns:105px 1fr;gap:17px}
      .date-box{min-height:102px}
      .date-box b{font-size:33px}
      .subscribe-box{grid-template-columns:1fr;padding:31px 26px;gap:22px}
      .subscribe-form{min-width:0}
      .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
      .footer-brand{grid-column:span 2}
    }
    @media(max-width:520px){
      body{font-size:15px}
      .container{width:min(calc(100% - 32px),var(--max))}
      .logo{font-size:18px}
      h1{font-size:32px}
      .banner-copy p{font-size:15px}
      .section-head h2{font-size:26px}
      .lead-copy h2{font-size:24px}
      .dynamic-card:first-child{display:block}
      .dynamic-card:first-child .date-box{width:100%;min-height:72px;flex-direction:row;gap:9px;margin-bottom:17px}
      .quick-panel{padding:23px}
      .keywords-wrap{padding:28px 24px}
      .subscribe-form{flex-direction:column}
      .form-row{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr;gap:28px}
      .footer-brand{grid-column:auto}
      .copyright{flex-direction:column;gap:4px}
    }

/* roulang page: category2 */
:root{
      --plum:#34213f;--plum-deep:#25182d;--coral:#f06c55;--mint:#a9d8c4;
      --cream:#f7f4f1;--paper:#fff;--lilac:#f1ecf3;--ink:#2d2432;
      --muted:#776d7c;--line:#e7dfe8;--shadow:0 14px 36px rgba(52,33,63,.09);
      --shadow-hover:0 18px 42px rgba(52,33,63,.15);--radius:18px;--radius-sm:12px;
      --max:1200px;--ease:220ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none;transition:color var(--ease),transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease)}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
    .section{padding:86px 0;position:relative;overflow:hidden}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}
    .section-head h2{margin:8px 0 0;font-size:34px;line-height:1.25;letter-spacing:-.035em}
    .section-desc{max-width:650px;color:var(--muted);margin:0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:22px;height:2px;background:currentColor;border-radius:3px}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;background:rgba(240,108,85,.12);color:#be4f3e;border-radius:999px;font-size:12px;font-weight:800;line-height:1}
    .badge.mint{background:rgba(169,216,196,.35);color:#356b58}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 19px;border:1px solid transparent;border-radius:12px;font-weight:800;line-height:1;white-space:nowrap}
    .btn:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(52,33,63,.15)}
    .btn-primary{background:var(--coral);color:#fff}
    .btn-dark{background:var(--plum);color:#fff}
    .btn-light{background:#fff;color:var(--plum);border-color:#ded3e1}
    .btn-ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(247,244,241,.94);backdrop-filter:blur(16px);border-bottom:1px solid transparent}
    .site-header.scrolled{border-color:var(--line);box-shadow:0 5px 18px rgba(52,33,63,.05)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .logo{display:inline-flex;align-items:center;gap:10px;color:var(--plum);font-weight:900;font-size:20px;letter-spacing:-.04em;white-space:nowrap}
    .logo-mark{width:33px;height:33px;border-radius:11px;background:var(--plum);position:relative;display:inline-block}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;border-radius:50%;background:var(--coral)}
    .logo-mark:before{width:10px;height:10px;left:7px;top:7px}
    .logo-mark:after{width:7px;height:7px;right:7px;bottom:7px;background:var(--mint)}
    .nav-links{display:flex;align-items:center;gap:6px}
    .nav-links a{padding:9px 12px;border-radius:9px;font-size:14px;font-weight:750;color:#5f5364}
    .nav-links a:hover,.nav-links a.active{color:var(--coral);background:rgba(240,108,85,.09)}
    .menu-btn{display:none;border:0;background:var(--plum);color:#fff;border-radius:10px;padding:10px 12px;font-size:18px}
    .category-head{padding:70px 0 60px;background:var(--lilac);position:relative;overflow:hidden}
    .category-head:before{content:"";position:absolute;right:7%;top:-80px;width:260px;height:260px;border:42px solid rgba(169,216,196,.46);border-radius:50%}
    .category-head:after{content:"";position:absolute;left:9%;bottom:25px;width:9px;height:9px;background:var(--coral);border-radius:50%;box-shadow:22px -18px 0 rgba(52,33,63,.2),42px 8px 0 var(--mint)}
    .head-grid{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:48px;position:relative;z-index:1}
    h1{font-size:clamp(38px,5vw,58px);line-height:1.12;letter-spacing:-.055em;margin:12px 0 18px;color:var(--plum)}
    .head-copy p{max-width:670px;color:var(--muted);font-size:17px;margin:0}
    .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}
    .topic-tag{padding:9px 14px;border:1px solid rgba(52,33,63,.12);border-radius:999px;background:rgba(255,255,255,.7);font-size:13px;font-weight:750;color:var(--plum)}
    .topic-tag:hover{background:var(--plum);color:#fff;transform:translateY(-2px)}
    .status-card{background:var(--plum);color:#fff;border-radius:22px;padding:28px;box-shadow:var(--shadow)}
    .status-card .status-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
    .status-card h3{font-size:22px;margin:0}
    .status-card p{color:#d9ccdf;margin:8px 0 22px}
    .status-line{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.16);padding-top:14px;color:#f5edf7;font-size:14px}
    .editor-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
    .editor-main,.editor-small{border-radius:20px;overflow:hidden;position:relative;min-height:290px;background:var(--plum);color:#fff;padding:28px;display:flex;flex-direction:column;justify-content:flex-end}
    .editor-main{background:linear-gradient(145deg,#4c3159,#f06c55)}
    .editor-small{min-height:136px;background:linear-gradient(135deg,#fff,#f0e5f1);color:var(--ink)}
    .editor-small:nth-child(2){background:linear-gradient(135deg,#a9d8c4,#e8f1eb)}
    .editor-stack{display:grid;gap:18px}
    .editor-main:after{content:"✦";position:absolute;right:27px;top:22px;font-size:72px;color:rgba(255,255,255,.18)}
    .editor-main h3{font-size:28px;max-width:500px;margin:12px 0 8px;position:relative;z-index:1}
    .editor-small h3{font-size:19px;line-height:1.35;margin:9px 0 0}
    .card-link{display:inline-flex;align-items:center;gap:7px;font-weight:800;color:var(--coral);font-size:14px;margin-top:12px}
    .topic-cloud{display:flex;flex-wrap:wrap;gap:13px;padding:28px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}
    .cloud-item{padding:12px 17px;background:var(--lilac);border-radius:12px;color:var(--plum);font-weight:750}
    .cloud-item strong{color:var(--coral);font-size:13px;margin-left:6px}
    .scene{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}
    .scene.reverse{grid-template-columns:1.1fr .9fr}
    .scene.reverse .scene-art{order:2}
    .scene-art{min-height:260px;border-radius:24px;background:linear-gradient(135deg,var(--plum),#765485);position:relative;overflow:hidden;padding:28px;color:#fff}
    .scene-art.mint-art{background:linear-gradient(135deg,#8bc4ad,#dceee4);color:#254639}
    .scene-art:after{content:"";position:absolute;width:180px;height:180px;border:30px solid rgba(255,255,255,.16);border-radius:50%;right:-40px;bottom:-60px}
    .scene-art b{display:block;font-size:42px;line-height:1;margin:18px 0}
    .scene-copy h3{font-size:27px;color:var(--plum);margin:0 0 12px}
    .scene-copy p{color:var(--muted);margin:0 0 18px}
    .scene-list{display:grid;gap:10px;padding:0;margin:0;list-style:none}
    .scene-list li{display:flex;gap:10px;align-items:flex-start}
    .scene-list li:before{content:"✓";color:var(--coral);font-weight:900}
    .list-section{background:#fff}
    .content-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .content-card{padding:22px;border:1px solid var(--line);border-radius:17px;background:var(--cream);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
    .content-card:hover{transform:translateY(-3px);border-color:#d4bfd9;box-shadow:var(--shadow-hover)}
    .content-card h3{font-size:19px;line-height:1.4;margin:13px 0 8px;color:var(--plum)}
    .content-card p{color:var(--muted);font-size:14px;line-height:1.7;margin:0 0 14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
    .content-meta{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:12px}
    .more-row{margin-top:28px;text-align:center}
    .empty-state{grid-column:1/-1;text-align:center;padding:48px 20px;border:1px dashed #d7c9da;border-radius:18px;color:var(--muted)}
    .empty-state strong{display:block;color:var(--plum);font-size:22px;margin-bottom:8px}
    .rhythm-section{background:#f1ecf3}
    .rhythm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .rhythm-card{background:#fff;padding:23px;border-radius:17px;border:1px solid var(--line)}
    .rhythm-card time{color:var(--coral);font-weight:850;font-size:13px}
    .rhythm-card h3{font-size:18px;margin:10px 0 6px}
    .rhythm-card p{color:var(--muted);font-size:14px;margin:0}
    .faq-section{background:var(--mint)}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:58px;align-items:start}
    .faq-grid h2{font-size:34px;color:var(--plum);margin:8px 0 14px}
    .faq-grid .section-desc{color:#496659}
    .faq-list{display:grid;gap:10px}
    details{background:rgba(255,255,255,.72);border:1px solid rgba(52,33,63,.1);border-radius:13px;padding:17px 20px}
    summary{cursor:pointer;font-weight:800;color:var(--plum);list-style:none;display:flex;justify-content:space-between;gap:15px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--coral);font-size:22px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{color:#53655d;font-size:14px;margin:12px 26px 0 0}
    .feedback-box{margin-top:28px;padding:25px;background:rgba(255,255,255,.58);border-radius:18px}
    .feedback-box h3{margin:0 0 6px;color:var(--plum);font-size:20px}
    .feedback-box p{margin:0 0 15px;color:#53655d;font-size:14px}
    .site-footer{background:var(--plum-deep);color:#e9dfea;padding:52px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:38px}
    .site-footer .logo{color:#fff}
    .footer-brand p{max-width:310px;color:#cbbbd0;font-size:14px;margin:16px 0 0}
    .footer-title{font-weight:850;color:#fff;margin-bottom:14px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#cbbbd0;font-size:14px}
    .footer-links a:hover{color:var(--coral)}
    .copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;justify-content:space-between;color:#aa99b0;font-size:12px}
    :focus-visible{outline:3px solid rgba(240,108,85,.45);outline-offset:3px}
    @media(max-width:900px){
      .head-grid,.scene,.scene.reverse{grid-template-columns:1fr;gap:30px}
      .scene.reverse .scene-art{order:0}
      .editor-grid{grid-template-columns:1fr}
      .editor-stack{grid-template-columns:1fr 1fr}
      .faq-grid{grid-template-columns:1fr;gap:30px}
    }
    @media(max-width:767px){
      .container{width:min(calc(100% - 40px),var(--max))}
      .section{padding:62px 0}
      .nav-wrap{height:68px}
      .nav-wrap>.btn-primary{display:none}
      .menu-btn{display:block}
      .nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:14px 20px 20px;background:var(--cream);border-bottom:1px solid var(--line);box-shadow:0 12px 22px rgba(52,33,63,.08);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:13px 15px}
      .nav-links:after{content:"App下载";display:flex;align-items:center;justify-content:center;background:var(--coral);color:#fff;font-weight:800;border-radius:10px;min-height:46px;margin-top:8px}
      .category-head{padding:54px 0 48px}
      h1{font-size:39px}
      .section-head{display:block}
      .section-head h2{font-size:29px}
      .section-head .section-desc{margin-top:12px}
      .editor-stack,.content-list,.rhythm-grid{grid-template-columns:1fr}
      .editor-main{min-height:260px}
      .editor-small{min-height:145px}
      .scene-art{min-height:210px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-brand{grid-column:1/-1}
      .copyright{display:block}
      .copyright span{display:block;margin-top:5px}
    }