/* roulang page: index */
:root{
      --ink:#171b19;
      --ink-soft:#29302c;
      --green:#438b68;
      --green-dark:#2e6c4e;
      --green-pale:#e2eee7;
      --paper:#faf8f3;
      --sand:#f0ede5;
      --mist:#d9ddd6;
      --line:#d7d9d2;
      --muted:#68716c;
      --copper:#b87847;
      --white:#fffefb;
      --shadow:0 18px 48px rgba(21,26,23,.10);
      --shadow-dark:0 18px 42px rgba(0,0,0,.24);
      --r-lg:24px;
      --r-md:18px;
      --r-sm:12px;
      --transition:all .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--paper);color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:16px;line-height:1.82;letter-spacing:.01em;
      padding-bottom:88px;
    }
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0}
    ::selection{background:var(--green);color:#fff}
    .site-container{max-width:1240px;margin:auto;padding:0 24px}
    .section{padding:88px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;color:var(--green-dark);
      font-size:13px;font-weight:800;letter-spacing:.13em
    }
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--green)}
    h1,h2,h3,h4{color:var(--ink);font-weight:800;letter-spacing:-.035em;line-height:1.25}
    h1{font-size:clamp(42px,5vw,63px);margin:15px 0 22px}
    h2{font-size:clamp(29px,3.25vw,43px);margin:12px 0 20px}
    h3{font-size:22px;margin:12px 0}
    p{margin:0 0 18px}
    .lead{font-size:18px;color:#4e5852;line-height:1.9}
    .section-intro{max-width:700px;color:#59625c}
    .btn{
      border-radius:999px;padding:12px 21px;font-weight:800;font-size:15px;
      letter-spacing:.02em;transition:var(--transition);border:1px solid transparent;
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
    }
    .btn-main{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(67,139,104,.22)}
    .btn-main:hover{background:var(--green-dark);color:#fff;transform:translateY(-2px)}
    .btn-outline{border-color:#aeb8b0;color:var(--ink);background:transparent}
    .btn-outline:hover{border-color:var(--green);color:var(--green-dark);background:var(--green-pale)}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:#303833;color:#fff;transform:translateY(-2px)}
    .btn:focus,.nav-link:focus,.form-control:focus,.form-select:focus,.accordion-button:focus{
      outline:none;box-shadow:0 0 0 4px rgba(67,139,104,.22)
    }
    .btn:active{transform:translateY(1px) scale(.98)}
    .badge-soft,.tag{
      display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;
      background:var(--green-pale);color:var(--green-dark);font-weight:800;font-size:12px
    }
    .tag-dark{background:rgba(255,255,255,.12);color:#d7eee0;border:1px solid rgba(255,255,255,.16)}
    .site-header{
      position:sticky;top:0;z-index:1030;background:rgba(250,248,243,.94);
      backdrop-filter:blur(14px);border-bottom:1px solid rgba(23,27,25,.08)
    }
    .navbar{min-height:76px;padding:10px 0}
    .brand-mark{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;white-space:nowrap}
    .brand-orbit{width:31px;height:31px;position:relative;border:2px solid var(--green);border-radius:50%}
    .brand-orbit:before{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--copper);right:-4px;top:1px}
    .brand-orbit:after{content:"";position:absolute;width:18px;height:2px;background:var(--green);transform:rotate(-35deg);left:5px;top:14px}
    .nav-link{font-size:14px;font-weight:700;color:#465049!important;padding:8px 10px!important;position:relative;white-space:nowrap}
    .nav-link:hover{color:var(--green-dark)!important}
    .nav-link.active{color:var(--green-dark)!important}
    .nav-link.active:after{content:"";height:3px;border-radius:5px;background:var(--green);position:absolute;left:10px;right:10px;bottom:1px}
    .nav-cta{padding:10px 16px;font-size:14px}
    .navbar-toggler{border:1px solid var(--line);border-radius:10px;padding:8px 10px}
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(67,139,104,.18)}
    .mega-wrap{position:relative}
    .mega-toggle:after{display:none}
    .mega-panel{
      width:640px;padding:21px;left:auto;right:0;top:50px;border:1px solid var(--line);
      border-radius:18px;background:#fffefb;box-shadow:var(--shadow);margin:0
    }
    .mega-panel.show{display:block}
    .mega-title{font-size:12px;color:var(--muted);font-weight:800;letter-spacing:.1em;margin-bottom:10px}
    .mega-link{display:block;padding:7px 0;font-weight:700;font-size:14px}
    .mega-link:hover{color:var(--green-dark);padding-left:4px}
    .mega-feature{border-radius:14px;padding:16px;background:var(--ink);color:#fff;height:100%}
    .mega-feature h4{color:#fff;font-size:17px}
    .offcanvas{background:var(--paper)}
    .offcanvas-header{border-bottom:1px solid var(--line)}
    .mobile-nav-link{display:block;padding:14px 0;border-bottom:1px solid var(--line);font-weight:800}
    .hero{
      position:relative;overflow:hidden;color:#fff;padding:75px 0 34px;
      background:var(--ink) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,23,20,.93),rgba(18,23,20,.72) 52%,rgba(18,23,20,.52))}
    .hero:after{
      content:"";position:absolute;inset:0;opacity:.22;pointer-events:none;
      background-image:radial-gradient(circle at 14% 25%,#fff 0 1px,transparent 1.7px),radial-gradient(circle at 82% 16%,#fff 0 1px,transparent 1.7px),linear-gradient(120deg,transparent 48%,rgba(142,205,168,.3) 49%,transparent 50%);
      background-size:95px 88px,126px 112px,280px 280px
    }
    .hero .site-container{position:relative;z-index:1}
    .hero-copy{padding:20px 0 34px}
    .hero .eyebrow{color:#cfe9d8}
    .hero .eyebrow:before{background:#87c69e}
    .hero h1{color:#fff;max-width:780px}
    .hero .lead{color:#e0e7e1;max-width:720px}
    .hero-journey{display:flex;gap:8px;flex-wrap:wrap;margin:25px 0}
    .hero-journey span{font-size:13px;border:1px solid rgba(255,255,255,.23);background:rgba(255,255,255,.08);padding:6px 10px;border-radius:999px}
    .hero-stage{
      position:relative;background:rgba(17,23,20,.82);border:1px solid rgba(201,231,210,.26);
      border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow-dark);margin-top:12px
    }
    .stage-top{display:flex;justify-content:space-between;gap:18px;align-items:center}
    .stage-top h3{color:#fff;margin:0;font-size:19px}
    .progress-ring{
      width:112px;height:112px;border-radius:50%;display:grid;place-items:center;
      background:conic-gradient(var(--green) 0 252deg,rgba(255,255,255,.15) 252deg 360deg);flex:0 0 auto
    }
    .progress-ring > div{width:88px;height:88px;border-radius:50%;background:var(--ink);display:grid;place-items:center;text-align:center;line-height:1.15}
    .progress-ring strong{display:block;font-size:22px;color:#d8f2e0}
    .progress-ring small{font-size:10px;color:#c6cec8}
    .support-tier{border-top:1px solid rgba(255,255,255,.14);padding:14px 0;display:grid;grid-template-columns:35px 1fr auto;gap:10px;align-items:center}
    .support-tier:last-of-type{border-bottom:1px solid rgba(255,255,255,.14)}
    .tier-no{color:#8ed1a5;font-weight:900;font-family:monospace}
    .support-tier strong{font-size:14px;display:block}
    .support-tier small{color:#b8c1ba;font-size:12px}
    .tier-state{font-size:12px;color:#f1c99e}
    .hero-anchor{display:flex;gap:18px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.16);padding-top:21px;margin-top:8px}
    .hero-anchor a{font-size:13px;color:#dce6df;font-weight:700}
    .hero-anchor a:hover{color:#9edab2}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}
    .feature-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:18px}
    .feature-main,.feature-mini{border:1px solid var(--line);border-radius:var(--r-lg);background:#fffefb;overflow:hidden;transition:var(--transition)}
    .feature-main{padding:31px;min-height:390px;position:relative;background:var(--ink);color:#fff}
    .feature-main h3{color:#fff;font-size:28px;max-width:380px}
    .feature-main p{color:#d2dad4;max-width:430px}
    .feature-main:hover,.feature-mini:hover,.topic-card:hover,.news-item:hover,.quote-card:hover{transform:translateY(-5px);border-color:var(--green);box-shadow:var(--shadow)}
    .feature-number{font-family:monospace;color:#91d1a6;font-size:13px;font-weight:900;letter-spacing:.1em}
    .mini-line{display:flex;gap:12px;align-items:flex-start}
    .line-icon{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--green-pale);color:var(--green-dark);font-weight:900;flex:0 0 auto}
    .feature-side{display:grid;gap:18px}
    .feature-mini{padding:22px;min-height:186px}
    .feature-mini p{font-size:14px;color:var(--muted)}
    .arrow-link{display:inline-flex;gap:8px;align-items:center;color:var(--green-dark);font-weight:800;font-size:14px;margin-top:8px}
    .arrow-link:hover{gap:13px;color:var(--green-dark)}
    .pulse-list{list-style:none;margin:26px 0 0;padding:0}
    .pulse-list li{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.15);padding:12px 0;font-size:13px}
    .pulse-list b{color:#9ddcaf}
    .dark-band{background:var(--ink);color:#fff;position:relative;overflow:hidden}
    .dark-band:before{content:"";position:absolute;inset:0;background:repeating-radial-gradient(ellipse at 92% 50%,transparent 0 40px,rgba(129,194,149,.08) 41px 42px,transparent 43px 70px)}
    .dark-band .site-container{position:relative}
    .dark-band h2,.dark-band h3{color:#fff}
    .dark-band p{color:#d2dad4}
    .story-grid{display:grid;grid-template-columns:5fr 7fr;gap:54px;align-items:center}
    .image-frame{position:relative;min-height:500px;border-radius:var(--r-lg);overflow:hidden;background:#2b302d}
    .image-frame img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .5s ease}
    .image-frame:hover img{transform:scale(1.04)}
    .image-frame:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(13,18,15,.7))}
    .image-label{position:absolute;z-index:1;left:22px;right:22px;bottom:20px;padding-top:15px;border-top:1px solid rgba(255,255,255,.35);color:#fff}
    .content-note{border-left:3px solid var(--green);padding:13px 0 13px 18px;margin:24px 0;color:#68736c;font-size:15px}
    .check-list{list-style:none;padding:0;margin:21px 0}
    .check-list li{padding:9px 0 9px 30px;position:relative;border-bottom:1px solid var(--line)}
    .check-list li:before{content:"✓";position:absolute;left:0;top:9px;color:var(--green-dark);font-weight:900}
    .guide-grid{display:grid;grid-template-columns:7fr 5fr;gap:20px}
    .guide-visual{border-radius:var(--r-lg);overflow:hidden;min-height:500px;position:relative}
    .guide-visual img{height:100%;width:100%;object-fit:cover}
    .guide-overlay{position:absolute;inset:auto 18px 18px 18px;background:rgba(255,254,251,.94);border-radius:16px;padding:18px}
    .guide-overlay h3{font-size:19px;margin:0 0 7px}
    .reading-lanes{display:grid;gap:12px}
    .lane{display:grid;grid-template-columns:42px 1fr auto;gap:14px;align-items:center;padding:17px;border-radius:16px;background:#fffefb;border:1px solid var(--line);transition:var(--transition)}
    .lane:hover{border-color:var(--green);padding-left:22px}
    .lane-no{font-family:monospace;font-weight:900;color:var(--green-dark)}
    .lane p{font-size:13px;color:var(--muted);margin:3px 0 0}
    .lane-arrow{font-size:20px;color:var(--green)}
    .topic-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .topic-card{overflow:hidden;border:1px solid var(--line);border-radius:var(--r-md);background:var(--white);transition:var(--transition)}
    .topic-card:first-child{grid-row:span 2}
    .topic-img{height:176px;overflow:hidden}
    .topic-card:first-child .topic-img{height:290px}
    .topic-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
    .topic-card:hover .topic-img img{transform:scale(1.06)}
    .topic-copy{padding:19px}
    .topic-copy h3{font-size:20px}
    .topic-copy p{font-size:14px;color:var(--muted);margin-bottom:8px}
    .rank-panel{border-radius:var(--r-lg);padding:30px;background:#e6ebe5;border:1px solid #d3dcd4}
    .rank-list{list-style:none;padding:0;margin:20px 0 0}
    .rank-list li{display:grid;grid-template-columns:36px 1fr auto;gap:12px;align-items:center;padding:14px 0;border-top:1px solid #cdd6ce}
    .rank-list li:last-child{border-bottom:1px solid #cdd6ce}
    .rank-num{font-size:20px;font-family:monospace;font-weight:900;color:var(--green-dark)}
    .rank-list b{display:block;font-size:15px}
    .rank-list small{display:block;color:var(--muted);font-size:12px}
    .trend{font-size:12px;color:var(--copper);font-weight:800}
    .news-layout{display:grid;grid-template-columns:8fr 4fr;gap:26px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:92px 1fr auto;gap:21px;padding:23px 5px;border-bottom:1px solid var(--line);transition:var(--transition)}
    .news-item:first-child{padding:28px 15px;background:#fffefb;border:1px solid var(--line);border-radius:18px;margin:0 0 12px}
    .news-date{font-family:monospace;color:var(--green-dark);font-weight:900;font-size:13px;line-height:1.5}
    .news-date span{display:block;font-size:27px;letter-spacing:-.08em}
    .news-item h3{font-size:20px;margin:4px 0 8px}
    .news-item p{font-size:14px;color:var(--muted);margin:0}
    .news-more{align-self:center;font-size:13px;color:var(--green-dark);font-weight:800;white-space:nowrap}
    .news-more:hover{transform:translateX(4px)}
    .aside-feature{background:var(--ink);border-radius:var(--r-lg);padding:26px;color:#fff;height:100%}
    .aside-feature h3{color:#fff;font-size:25px}
    .aside-feature p{color:#cdd6cf}
    .aside-image{height:180px;border-radius:14px;overflow:hidden;margin:18px 0}
    .aside-image img{width:100%;height:100%;object-fit:cover}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .step{padding:21px 18px;border-top:3px solid var(--green);background:#fffefb;border-radius:0 0 16px 16px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);border-left:1px solid var(--line)}
    .step span{font-family:monospace;color:var(--green-dark);font-weight:900;font-size:13px}
    .step h3{font-size:18px}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .quote-strip{overflow:hidden;padding-bottom:7px}
    .quote-row{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 12px}
    .quote-row::-webkit-scrollbar{height:5px}.quote-row::-webkit-scrollbar-thumb{background:#9eaca2;border-radius:10px}
    .quote-card{scroll-snap-align:start;min-width:335px;max-width:390px;padding:24px;background:#fffefb;border:1px solid var(--line);border-radius:18px;transition:var(--transition)}
    .quote-card p{font-size:16px;color:#48524c}
    .quote-meta{border-top:1px solid var(--line);padding-top:13px;font-size:13px;color:var(--muted);font-weight:700}
    .brand-panel{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start}
    .brand-symbol{padding:32px;border:1px solid rgba(255,255,255,.16);border-radius:var(--r-lg);min-height:100%}
    .brand-symbol .brand-orbit{width:54px;height:54px;border-width:3px;margin-bottom:25px}
    .brand-symbol h3{font-size:28px}
    .brand-timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:25px}
    .brand-timeline div{border-top:1px solid rgba(255,255,255,.25);padding-top:12px}
    .brand-timeline span{display:block;color:#91d1a6;font-family:monospace;font-weight:900}
    .brand-timeline small{color:#cbd5ce;line-height:1.6}
    .assurance{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr)}
    .assurance-item{padding:22px 20px;border-right:1px solid var(--line);display:flex;gap:12px;align-items:flex-start}
    .assurance-item:last-child{border-right:0}
    .assurance-icon{color:var(--green-dark);font-size:25px;line-height:1}
    .assurance-item b{display:block;font-size:14px}
    .assurance-item span{display:block;color:var(--muted);font-size:12px;line-height:1.65}
    .faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:55px}
    .faq-contact{background:#e4ece5;border-radius:var(--r-lg);padding:28px;height:max-content}
    .faq-contact p{color:#526158;font-size:15px}
    .accordion-item{border:0!important;border-bottom:1px solid var(--line)!important;background:transparent}
    .accordion-button{background:transparent!important;color:var(--ink)!important;padding:20px 4px;font-weight:800;font-size:17px;box-shadow:none!important}
    .accordion-button:not(.collapsed){color:var(--green-dark)!important}
    .accordion-button:after{background-size:15px;filter:grayscale(1)}
    .accordion-body{padding:0 5px 19px;color:#58625c}
    .form-shell{background:#fffefb;border:1px solid var(--line);padding:28px;border-radius:var(--r-lg);box-shadow:0 10px 30px rgba(24,29,25,.05)}
    .form-label{font-size:13px;font-weight:800;margin-bottom:6px}
    .required{color:var(--copper)}
    .form-control,.form-select{border:1px solid #cbd1ca;border-radius:11px;padding:12px 14px;background:#fffefb;color:var(--ink)}
    .form-control::placeholder{color:#9ba39d}
    textarea.form-control{min-height:116px;resize:vertical}
    .form-hint{font-size:13px;color:var(--muted);margin:13px 0 0}
    .footer{background:#131815;color:#cbd4cd;padding:64px 0 102px}
    .footer-brand{color:#fff;font-size:25px;font-weight:900;display:flex;gap:10px;align-items:center;margin-bottom:14px}
    .footer h4{color:#fff;font-size:15px;letter-spacing:.06em;margin-bottom:14px}
    .footer a{display:block;color:#b9c3bc;font-size:14px;padding:4px 0}
    .footer a:hover{color:#91d1a6;padding-left:3px}
    .footer p{font-size:14px;color:#aeb9b1;max-width:340px}
    .footer-bottom{margin-top:40px;padding-top:21px;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px;color:#aab5ad}
    .footer-bottom a{display:inline;padding:0;color:#d0d8d2}
    .fixed-cta{
      position:fixed;bottom:0;left:0;right:0;z-index:1020;background:rgba(20,25,22,.97);
      border-top:1px solid rgba(150,208,167,.3);box-shadow:0 -8px 28px rgba(0,0,0,.18)
    }
    .fixed-inner{max-width:1240px;margin:auto;padding:12px 24px;display:flex;gap:18px;align-items:center}
    .fixed-copy{flex:1;color:#d5ddd7;font-size:13px}
    .fixed-copy strong{color:#fff;font-size:15px;margin-right:12px}
    .fixed-close{background:transparent;color:#aeb9b1;font-size:20px;padding:4px 8px}
    .fixed-close:hover{color:#fff}
    .is-hidden{display:none!important}
    @media (max-width:1199px){
      .nav-link{padding-left:7px!important;padding-right:7px!important;font-size:13px}
      .mega-panel{width:590px}
      .story-grid{gap:35px}.faq-layout{gap:35px}
    }
    @media (max-width:991px){
      .section{padding:68px 0}
      .navbar-collapse{display:none!important}
      .hero{padding-top:50px}
      .hero-stage{margin-top:12px}
      .feature-grid,.story-grid,.guide-grid,.news-layout,.faq-layout,.brand-panel{grid-template-columns:1fr}
      .image-frame{min-height:400px}
      .topic-grid{grid-template-columns:1fr 1fr}
      .topic-card:first-child{grid-row:auto}
      .topic-card:first-child .topic-img{height:210px}
      .steps{grid-template-columns:1fr 1fr}
      .brand-symbol{min-height:auto}.brand-panel{gap:24px}
      .faq-contact{height:auto}.section-head{align-items:start;flex-direction:column;gap:8px}
    }
    @media (max-width:767px){
      body{font-size:15.5px;padding-bottom:119px}
      .site-container{padding:0 18px}
      .section{padding:54px 0}.section-tight{padding:42px 0}
      .navbar{min-height:66px}.brand-mark{font-size:19px}
      h1{font-size:clamp(33px,9vw,43px)}h2{font-size:29px}.lead{font-size:16px}
      .hero-copy{padding-top:4px}.hero .btn{width:100%;margin-bottom:9px}
      .hero-stage{padding:18px}.stage-top{align-items:flex-start}
      .feature-grid,.topic-grid{grid-template-columns:1fr}.feature-main{min-height:auto;padding:25px}
      .news-item,.news-item:first-child{grid-template-columns:62px 1fr;padding:18px 0;margin:0;border-radius:0;border-left:0;border-right:0}
      .news-more{grid-column:2;justify-self:start}.news-date span{font-size:22px}
      .guide-visual{min-height:380px}.steps{grid-template-columns:1fr}.assurance{grid-template-columns:1fr 1fr}
      .assurance-item:nth-child(2){border-right:0}.assurance-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .brand-timeline{grid-template-columns:1fr}.quote-card{min-width:290px}
      .fixed-inner{padding:9px 14px;gap:8px}.fixed-copy span{display:none}.fixed-copy strong{display:block;font-size:13px}.fixed-inner .btn{padding:9px 13px;font-size:13px;white-space:nowrap}
    }
    @media (max-width:575px){
      .hero-anchor{gap:11px}.hero-anchor a{font-size:12px}
      .progress-ring{width:88px;height:88px}.progress-ring>div{width:69px;height:69px}.progress-ring strong{font-size:18px}
      .support-tier{grid-template-columns:28px 1fr}.tier-state{display:none}
      .image-frame{min-height:330px}.guide-visual{min-height:330px}.topic-img,.topic-card:first-child .topic-img{height:195px}
      .assurance{grid-template-columns:1fr}.assurance-item,.assurance-item:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}.assurance-item:last-child{border-bottom:0}
      .footer{padding-bottom:130px}.footer-bottom{display:block}.footer-bottom div{margin-bottom:10px}
    }
    @media (prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category1 */
:root{
      --ink:#171b19;--ink-soft:#29302c;--green:#438b68;--green-dark:#2e6c4e;
      --green-pale:#e2eee7;--paper:#faf8f3;--sand:#f0ede5;--mist:#d9ddd6;
      --line:#d7d9d2;--muted:#68716c;--copper:#b87847;--white:#fffefb;
      --shadow:0 18px 48px rgba(21,26,23,.10);--shadow-dark:0 18px 42px rgba(0,0,0,.24);
      --r-lg:24px;--r-md:18px;--r-sm:12px;--transition:all .22s ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.82;letter-spacing:.01em;padding-bottom:88px}
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    a:hover{color:var(--green-dark)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0}
    h1,h2,h3,h4{line-height:1.3;font-weight:900;margin:0 0 16px}
    h1{font-size:clamp(36px,5vw,58px);letter-spacing:-.04em}
    h2{font-size:clamp(28px,3vw,40px);letter-spacing:-.025em}
    h3{font-size:21px}
    p{margin:0 0 16px}
    .site-container{max-width:1240px;margin:auto;padding:0 24px}
    .section{padding:88px 0}
    .section-tight{padding:58px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green-dark);font-size:13px;font-weight:800;letter-spacing:.13em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--green)}
    .lead{font-size:18px;color:#4e5852;line-height:1.9}
    .section-intro{max-width:720px;color:#59625c}
    .btn{border-radius:999px;padding:12px 21px;font-weight:800;font-size:15px;letter-spacing:.02em;transition:var(--transition);border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:9px}
    .btn-main{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(67,139,104,.22)}
    .btn-main:hover{background:var(--green-dark);color:#fff;transform:translateY(-2px)}
    .btn-outline{border-color:#aeb8b0;color:var(--ink);background:transparent}
    .btn-outline:hover{border-color:var(--green);color:var(--green-dark);background:var(--green-pale)}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:#303833;color:#fff;transform:translateY(-2px)}
    .btn:focus,.nav-link:focus,.form-control:focus,.form-select:focus,.accordion-button:focus{outline:none;box-shadow:0 0 0 4px rgba(67,139,104,.22)}
    .btn:active{transform:translateY(1px) scale(.98)}
    .badge-soft,.tag{display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;background:var(--green-pale);color:var(--green-dark);font-weight:800;font-size:12px}
    .tag-copper{background:#f3e5da;color:#895530}
    .tag-dark{background:rgba(255,255,255,.12);color:#d7eee0;border:1px solid rgba(255,255,255,.16)}
    .site-header{position:sticky;top:0;z-index:1030;background:rgba(250,248,243,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(23,27,25,.08)}
    .navbar{min-height:76px;padding:10px 0}
    .brand-mark{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;white-space:nowrap}
    .brand-orbit{width:31px;height:31px;position:relative;border:2px solid var(--green);border-radius:50%}
    .brand-orbit:before{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--copper);right:-4px;top:1px}
    .brand-orbit:after{content:"";position:absolute;width:18px;height:2px;background:var(--green);transform:rotate(-35deg);left:5px;top:14px}
    .nav-link{font-size:14px;font-weight:700;color:#465049!important;padding:8px 10px!important;position:relative;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:var(--green-dark)!important}
    .nav-link.active:after{content:"";height:3px;border-radius:5px;background:var(--green);position:absolute;left:10px;right:10px;bottom:1px}
    .nav-cta{padding:10px 16px;font-size:14px}
    .navbar-toggler{border:1px solid var(--line);border-radius:10px;padding:8px 10px}
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(67,139,104,.18)}
    .mega-wrap{position:relative}
    .mega-toggle:after{display:none}
    .mega-panel{width:640px;padding:21px;left:auto;right:0;top:50px;border:1px solid var(--line);border-radius:18px;background:#fffefb;box-shadow:var(--shadow);margin:0}
    .mega-panel.show{display:block}
    .mega-title{font-size:12px;color:var(--muted);font-weight:800;letter-spacing:.1em;margin-bottom:10px}
    .mega-link{display:block;padding:7px 0;font-weight:700;font-size:14px}
    .mega-link:hover{color:var(--green-dark);padding-left:4px}
    .mega-feature{border-radius:14px;padding:16px;background:var(--ink);color:#fff;height:100%}
    .mega-feature h4{color:#fff;font-size:17px}
    .offcanvas{background:var(--paper)}
    .offcanvas-header{border-bottom:1px solid var(--line)}
    .mobile-nav-link{display:block;padding:14px 0;border-bottom:1px solid var(--line);font-weight:800}
    .page-hero{background:var(--ink);color:#fff;padding:74px 0 72px;position:relative;overflow:hidden}
    .page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,23,20,.96),rgba(18,23,20,.68)),url('/assets/images/backpic/back-2.webp') center/cover}
    .page-hero:after{content:"";position:absolute;inset:0;opacity:.2;background-image:radial-gradient(circle,#fff 0 1px,transparent 1.5px);background-size:120px 100px}
    .page-hero .site-container{position:relative;z-index:1}
    .breadcrumb{--bs-breadcrumb-divider-color:#9aa69d;color:#b9c8bd;margin-bottom:25px;font-size:13px}
    .breadcrumb-item.active{color:#e4ebe5}
    .hero-copy{max-width:760px}
    .hero-copy .lead{color:#dce6df;max-width:700px}
    .hero-panel{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:var(--r-lg);padding:24px}
    .hero-panel strong{display:block;color:#fff;font-size:30px;line-height:1.2}
    .hero-panel span{display:block;color:#c9d8cd;font-size:13px;margin-top:6px}
    .filter-bar{background:var(--white);border-bottom:1px solid var(--line);padding:20px 0}
    .filter-list{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
    .filter-list a{border:1px solid var(--line);padding:7px 14px;border-radius:999px;font-weight:700;font-size:13px}
    .filter-list a:hover,.filter-list a.active{background:var(--green);border-color:var(--green);color:#fff}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}
    .feature-story{position:relative;min-height:520px;border-radius:var(--r-lg);overflow:hidden;background:var(--ink);box-shadow:var(--shadow)}
    .feature-story img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.78;transition:var(--transition)}
    .feature-story:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(10,15,12,.95))}
    .feature-story:hover img{transform:scale(1.04)}
    .feature-content{position:absolute;z-index:1;bottom:0;padding:32px;color:#fff}
    .feature-content h2{font-size:31px;max-width:600px}
    .feature-content p{color:#dce6df;max-width:610px}
    .news-stack{display:flex;flex-direction:column;gap:12px}
    .news-item{display:grid;grid-template-columns:90px 1fr auto;gap:18px;align-items:center;border-bottom:1px solid var(--line);padding:16px 0}
    .news-item:first-child{padding-top:0}
    .news-date{font-family:ui-monospace,monospace;color:var(--copper);font-size:13px;font-weight:800}
    .news-item h3{font-size:18px;margin-bottom:5px}
    .news-item p{color:var(--muted);font-size:14px;margin:0;line-height:1.65}
    .arrow-link{font-size:13px;font-weight:900;color:var(--green-dark);white-space:nowrap}
    .arrow-link:hover{transform:translateX(4px)}
    .dark-band{background:var(--ink);color:#fff}
    .dark-band .section-intro,.dark-band p{color:#cad5cd}
    .observation{border-left:3px solid var(--green);padding:4px 0 4px 23px;margin:26px 0;color:#dce7df}
    .observation strong{color:#fff}
    .node-list{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.15);border-radius:var(--r-md);overflow:hidden}
    .node{background:#202723;padding:20px;min-height:140px}
    .node b{font-family:ui-monospace,monospace;color:#94c9a7;font-size:14px}
    .node h3{font-size:17px;color:#fff;margin-top:10px}
    .node p{font-size:13px;line-height:1.65;margin:0}
    .guide-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);padding:26px;height:100%;transition:var(--transition)}
    .guide-card:hover{transform:translateY(-5px);border-color:var(--green);box-shadow:var(--shadow)}
    .guide-card .number{font-family:ui-monospace,monospace;color:var(--green);font-size:28px;font-weight:900}
    .guide-card h3{margin-top:12px}
    .guide-card p{color:var(--muted);font-size:14px}
    .editor-note{background:var(--sand);border-radius:var(--r-lg);padding:34px}
    .editor-note p{color:#4d5750}
    .timeline{border-left:2px solid var(--mist);padding-left:28px}
    .timeline-item{position:relative;padding:0 0 27px}
    .timeline-item:before{content:"";position:absolute;width:11px;height:11px;background:var(--green);border:3px solid var(--paper);border-radius:50%;left:-35px;top:9px;box-shadow:0 0 0 1px var(--green)}
    .timeline-item h3{font-size:19px;margin-bottom:5px}
    .timeline-item p{color:var(--muted);font-size:14px;margin:0}
    .quote{font-size:22px;line-height:1.65;font-weight:800;color:var(--ink-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:25px 0;margin:24px 0}
    .accordion-item{border:1px solid var(--line)!important;border-radius:var(--r-sm)!important;margin-bottom:10px;overflow:hidden;background:var(--white)}
    .accordion-button{font-weight:800;color:var(--ink);background:var(--white);padding:19px 22px}
    .accordion-button:not(.collapsed){background:var(--green-pale);color:var(--green-dark);box-shadow:none}
    .accordion-button:after{background-size:14px}
    .accordion-body{color:var(--muted);padding:4px 22px 20px;font-size:15px}
    .contact-box{background:var(--green-pale);border-radius:var(--r-lg);padding:34px}
    .form-label{font-size:13px;font-weight:800;color:var(--ink-soft)}
    .form-control,.form-select{border:1px solid #cbd2ca;border-radius:11px;background:var(--white);padding:12px 14px}
    .form-control::placeholder{color:#9aa39c}
    .form-control:focus,.form-select:focus{border-color:var(--green)}
    .footer{background:var(--ink);color:#dce6df;padding:62px 0 25px}
    .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:21px;font-weight:900;margin-bottom:16px}
    .footer p{color:#aebbb1;font-size:14px;max-width:360px}
    .footer h4{color:#fff;font-size:15px;margin-bottom:16px}
    .footer a:not(.btn){display:block;color:#b8c5bb;font-size:14px;padding:3px 0}
    .footer a:not(.btn):hover{color:#9edab2;padding-left:3px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:38px;padding-top:20px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px;color:#9eaaa1}
    .footer-bottom a{display:inline!important}
    .fixed-cta{position:fixed;z-index:1020;bottom:0;left:0;right:0;background:rgba(23,27,25,.97);color:#fff;padding:14px 0;box-shadow:0 -8px 25px rgba(0,0,0,.15)}
    .fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
    .fixed-cta small{color:#bdc9c0}
    .close-cta{color:#aebbb1;background:none;font-size:20px;padding:4px 8px}
    .close-cta:hover{color:#fff}
    @media(max-width:1199px){.navbar-nav{gap:0!important}.nav-link{padding-left:7px!important;padding-right:7px!important}.node-list{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:991px){.desktop-nav{display:none!important}.hero-panel{margin-top:28px}.section{padding:68px 0}.feature-story{min-height:430px}.news-item{grid-template-columns:75px 1fr}.news-item .arrow-link{grid-column:2}}
    @media(max-width:767px){body{padding-bottom:128px}.site-container{padding:0 18px}.page-hero{padding:52px 0}.section{padding:55px 0}.section-head{display:block;margin-bottom:24px}.section-head .btn{margin-top:15px}.news-item{grid-template-columns:68px 1fr;gap:12px}.node-list{grid-template-columns:1fr}.feature-story{min-height:460px}.feature-content{padding:22px}.feature-content h2{font-size:26px}.fixed-inner{align-items:flex-start}.fixed-cta small{display:block;line-height:1.5}.footer-bottom{display:block}.footer-bottom div{margin-bottom:8px}}
    @media(max-width:575px){h1{font-size:34px}.lead{font-size:16px}.btn{width:100%;padding:13px 17px}.hero-copy .btn{width:auto}.hero-panel strong{font-size:26px}.filter-list{gap:7px}.filter-list a{font-size:12px;padding:6px 10px}.contact-box{padding:24px}.fixed-cta{padding:11px 0}.fixed-inner{gap:8px}.fixed-inner .btn{width:auto;white-space:nowrap;padding:9px 13px;font-size:13px}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category3 */
:root{
      --ink:#171b19;
      --ink-soft:#29302c;
      --green:#438b68;
      --green-dark:#2e6c4e;
      --green-pale:#e2eee7;
      --paper:#faf8f3;
      --sand:#f0ede5;
      --mist:#d9ddd6;
      --line:#d7d9d2;
      --muted:#68716c;
      --copper:#b87847;
      --white:#fffefb;
      --shadow:0 18px 48px rgba(21,26,23,.10);
      --shadow-dark:0 18px 42px rgba(0,0,0,.24);
      --r-lg:24px;
      --r-md:18px;
      --r-sm:12px;
      --transition:all .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--paper);
      color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",Arial,sans-serif;
      font-size:16px;
      line-height:1.82;
      letter-spacing:.01em;
      padding-bottom:88px;
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{line-height:1.3;font-weight:900}
    h1{font-size:clamp(38px,5vw,58px);letter-spacing:-.045em}
    h2{font-size:clamp(28px,3.2vw,42px);letter-spacing:-.03em}
    h3{font-size:22px}
    h4{font-size:17px}
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    a:hover{color:var(--green-dark)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0}
    .site-container{max-width:1240px;margin:auto;padding:0 24px}
    .section{padding:88px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--green-dark);font-size:13px;font-weight:800;letter-spacing:.13em
    }
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--green)}
    .lead{font-size:18px;color:#4e5852;line-height:1.9}
    .section-intro{max-width:720px;color:#59625c}
    .btn{
      border-radius:999px;padding:12px 21px;font-weight:800;font-size:15px;
      letter-spacing:.02em;transition:var(--transition);border:1px solid transparent;
      display:inline-flex;align-items:center;justify-content:center;gap:9px
    }
    .btn-main{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(67,139,104,.22)}
    .btn-main:hover{background:var(--green-dark);color:#fff;transform:translateY(-2px)}
    .btn-outline{border-color:#aeb8b0;color:var(--ink);background:transparent}
    .btn-outline:hover{border-color:var(--green);color:var(--green-dark);background:var(--green-pale)}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:#303833;color:#fff;transform:translateY(-2px)}
    .btn:focus,.nav-link:focus,.form-control:focus,.form-select:focus,.accordion-button:focus{
      outline:none;box-shadow:0 0 0 4px rgba(67,139,104,.22)
    }
    .btn:active{transform:translateY(1px) scale(.98)}
    .badge-soft,.tag{
      display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;
      background:var(--green-pale);color:var(--green-dark);font-weight:800;font-size:12px
    }
    .tag-copper{background:#f3e5da;color:#96582f}
    .tag-dark{background:rgba(255,255,255,.12);color:#d7eee0;border:1px solid rgba(255,255,255,.16)}
    .site-header{
      position:sticky;top:0;z-index:1030;background:rgba(250,248,243,.94);
      backdrop-filter:blur(14px);border-bottom:1px solid rgba(23,27,25,.08)
    }
    .navbar{min-height:76px;padding:10px 0}
    .brand-mark{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;white-space:nowrap}
    .brand-orbit{width:31px;height:31px;position:relative;border:2px solid var(--green);border-radius:50%;display:inline-block}
    .brand-orbit:before{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--copper);right:-4px;top:1px}
    .brand-orbit:after{content:"";position:absolute;width:18px;height:2px;background:var(--green);transform:rotate(-35deg);left:5px;top:14px}
    .nav-link{font-size:14px;font-weight:700;color:#465049!important;padding:8px 10px!important;position:relative;white-space:nowrap}
    .nav-link:hover{color:var(--green-dark)!important}
    .nav-link.active{color:var(--green-dark)!important}
    .nav-link.active:after{content:"";height:3px;border-radius:5px;background:var(--green);position:absolute;left:10px;right:10px;bottom:1px}
    .nav-cta{padding:10px 16px;font-size:14px}
    .navbar-toggler{border:1px solid var(--line);border-radius:10px;padding:8px 10px}
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(67,139,104,.18)}
    .mega-wrap{position:relative}
    .mega-toggle:after{display:none}
    .mega-panel{
      width:650px;padding:21px;left:auto;right:0;top:50px;border:1px solid var(--line);
      border-radius:18px;background:#fffefb;box-shadow:var(--shadow);margin:0
    }
    .mega-panel.show{display:block}
    .mega-title{font-size:12px;color:var(--muted);font-weight:800;letter-spacing:.1em;margin-bottom:10px}
    .mega-link{display:block;padding:7px 0;font-weight:700;font-size:14px}
    .mega-link:hover{color:var(--green-dark);padding-left:4px}
    .mega-feature{border-radius:14px;padding:16px;background:var(--ink);color:#fff;height:100%}
    .mega-feature h4{color:#fff;font-size:17px}
    .offcanvas{background:var(--paper)}
    .offcanvas-header{border-bottom:1px solid var(--line)}
    .mobile-nav-link{display:block;padding:14px 0;border-bottom:1px solid var(--line);font-weight:800}
    .hero{
      position:relative;overflow:hidden;color:#fff;padding:70px 0 30px;
      background:var(--ink) url('/assets/images/backpic/back-2.webp') center/cover no-repeat
    }
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,23,20,.94),rgba(18,23,20,.72) 55%,rgba(18,23,20,.52))}
    .hero:after{
      content:"";position:absolute;inset:0;opacity:.2;pointer-events:none;
      background-image:radial-gradient(circle at 15% 24%,#fff 0 1px,transparent 1.7px),radial-gradient(circle at 82% 16%,#fff 0 1px,transparent 1.7px),linear-gradient(120deg,transparent 48%,rgba(142,205,168,.3) 49%,transparent 50%);
      background-size:95px 88px,126px 112px,280px 280px
    }
    .hero .site-container{position:relative;z-index:1}
    .hero-copy{padding:18px 0 35px}
    .hero .eyebrow{color:#cfe9d8}
    .hero .eyebrow:before{background:#87c69e}
    .hero h1{color:#fff;max-width:650px}
    .hero .lead{color:#e0e7e1;max-width:680px}
    .hero-anchor{display:flex;gap:18px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.16);padding-top:21px;margin-top:22px}
    .hero-anchor a{font-size:13px;color:#dce6df;font-weight:700}
    .hero-anchor a:hover{color:#9edab2}
    .guide-panel{
      background:rgba(17,23,20,.84);border:1px solid rgba(201,231,210,.28);
      border-radius:var(--r-lg);padding:25px;box-shadow:var(--shadow-dark);margin-top:16px
    }
    .guide-panel h3{color:#fff;margin-bottom:20px}
    .guide-index{display:grid;grid-template-columns:1fr 1fr;gap:10px}
    .guide-index a{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid rgba(255,255,255,.14);border-radius:13px;color:#e8f0ea;font-size:14px}
    .guide-index a:hover{background:rgba(67,139,104,.22);border-color:#7ebc96;color:#fff}
    .index-number{font-family:monospace;color:#a9d6b7;font-weight:800}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}
    .section-head h2{margin-bottom:10px}
    .paper-band{background:var(--sand)}
    .overview-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:18px}
    .overview-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);padding:26px;min-height:225px;transition:var(--transition)}
    .overview-card:first-child{background:var(--ink);color:#fff;min-height:280px}
    .overview-card:first-child p{color:#dce6df}
    .overview-card:hover,.path-card:hover,.related-card:hover{transform:translateY(-5px);border-color:var(--green);box-shadow:var(--shadow)}
    .card-index{font:800 14px monospace;color:var(--green);letter-spacing:.08em}
    .overview-card:first-child .card-index{color:#a9d6b7}
    .overview-card h3{margin:24px 0 12px}
    .overview-card p{color:var(--muted);margin-bottom:17px}
    .text-link{font-size:14px;font-weight:800;color:var(--green-dark)}
    .text-link span{display:inline-block;transition:var(--transition)}
    .text-link:hover span{transform:translateX(5px)}
    .step-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:60px;align-items:start}
    .step-intro{position:sticky;top:105px}
    .step-list{border-top:1px solid var(--line)}
    .step-item{display:grid;grid-template-columns:72px 1fr;gap:20px;padding:26px 0;border-bottom:1px solid var(--line)}
    .step-no{width:52px;height:52px;border-radius:50%;background:var(--green-pale);color:var(--green-dark);display:grid;place-items:center;font:800 18px monospace}
    .step-item h3{margin-bottom:8px}
    .step-item p{color:var(--muted);margin-bottom:0}
    .tip-box{margin-top:28px;padding:18px 20px;border-left:4px solid var(--copper);background:#f5ebe3;border-radius:0 var(--r-sm) var(--r-sm) 0;color:#68452f}
    .dark-scene{background:var(--ink);color:#fff;position:relative;overflow:hidden}
    .dark-scene:before{content:"";position:absolute;inset:0;opacity:.18;background-image:linear-gradient(rgba(190,221,199,.25) 1px,transparent 1px),linear-gradient(90deg,rgba(190,221,199,.25) 1px,transparent 1px);background-size:44px 44px}
    .dark-scene .site-container{position:relative;z-index:1}
    .scene-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:52px;align-items:center}
    .scene-image{position:relative;min-height:470px;border-radius:var(--r-lg);overflow:hidden;background:url('/assets/images/coverpic/cover-7.webp') center/cover}
    .scene-image:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(10,15,12,.82))}
    .scene-caption{position:absolute;z-index:1;bottom:26px;left:28px;right:28px}
    .scene-caption h3{color:#fff}
    .scene-copy p{color:#d4ded7}
    .scene-copy h2{color:#fff}
    .scene-list{list-style:none;padding:0;margin:27px 0}
    .scene-list li{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.13);color:#dce6df}
    .scene-list li:before{content:"✓";color:#9edab2;font-weight:900}
    .path-section{background:#f7f5ef}
    .path-grid{display:grid;grid-template-columns:1fr 1.35fr 1fr;gap:18px;align-items:stretch}
    .path-card{border:1px solid var(--line);border-radius:var(--r-md);background:var(--white);padding:22px;transition:var(--transition)}
    .path-card.featured{background:#e8f1eb;padding:30px}
    .path-card h3{margin:18px 0 9px}
    .path-card p{color:var(--muted);font-size:15px}
    .path-card img{width:100%;height:155px;object-fit:cover;border-radius:14px;margin-bottom:18px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:28px}
    .timeline-item{position:relative;padding:18px 18px 8px 0;border-top:2px solid var(--green)}
    .timeline-item:before{content:"";position:absolute;top:-8px;left:0;width:14px;height:14px;border-radius:50%;background:var(--green);border:3px solid var(--paper)}
    .timeline-item strong{display:block;font:800 14px monospace;color:var(--green-dark);margin-bottom:9px}
    .timeline-item span{display:block;color:var(--muted);font-size:14px;padding-right:12px}
    .reading-section{background:var(--white)}
    .reading-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:30px}
    .reading-main{padding:32px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--paper)}
    .reading-main p{color:#535d56}
    .reading-main h3{margin-top:24px}
    .reading-main ul{padding-left:20px;color:#535d56}
    .reading-main li{margin:7px 0}
    .quote-card{background:var(--green-pale);border-radius:var(--r-lg);padding:30px;height:100%;display:flex;flex-direction:column;justify-content:space-between}
    .quote-card blockquote{font-size:24px;line-height:1.55;font-weight:800;margin:0 0 24px;color:var(--green-dark)}
    .quote-card cite{font-style:normal;color:#547160;font-size:14px}
    .related-grid{display:grid;grid-template-columns:1.3fr .85fr .85fr;gap:18px}
    .related-card{border:1px solid var(--line);background:var(--white);border-radius:var(--r-md);overflow:hidden;transition:var(--transition)}
    .related-card img{width:100%;height:180px;object-fit:cover}
    .related-body{padding:21px}
    .related-body h3{font-size:19px;margin:12px 0 8px}
    .related-body p{font-size:14px;color:var(--muted);margin-bottom:17px}
    .faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:58px;align-items:start}
    .faq-side{padding-top:8px}
    .faq-side p{color:var(--muted)}
    .accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;overflow:hidden;margin-bottom:10px;background:var(--white)}
    .accordion-button{font-weight:800;color:var(--ink);background:var(--white);padding:19px 20px}
    .accordion-button:not(.collapsed){color:var(--green-dark);background:var(--green-pale);box-shadow:none}
    .accordion-button:after{background-size:15px}
    .accordion-body{color:var(--muted);padding:0 20px 20px;background:var(--white)}
    .contact-section{background:var(--sand)}
    .contact-box{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:38px}
    .contact-box p{color:var(--muted)}
    .form-label{font-weight:800;font-size:14px;margin-bottom:7px}
    .form-control,.form-select{border:1px solid #cbd0c8;border-radius:11px;padding:12px 14px;background:#fffefb}
    .form-control::placeholder{color:#9aa29c}
    .form-control:focus,.form-select:focus{border-color:var(--green);background:#fffefb}
    .form-note{color:var(--muted);font-size:13px;margin-top:12px}
    .footer{background:var(--ink);color:#e0e7e1;padding:62px 0 25px}
    .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:900;font-size:21px;margin-bottom:15px}
    .footer p{color:#b7c3ba;font-size:14px;max-width:380px}
    .footer h4{color:#fff;font-size:15px;margin-bottom:15px}
    .footer a:not(.footer-brand){display:block;color:#b7c3ba;font-size:14px;margin:7px 0}
    .footer a:hover{color:#9edab2}
    .footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.14);margin-top:35px;padding-top:20px;color:#aebbb1;font-size:13px}
    .footer-bottom a{display:inline!important;margin:0!important}
    .fixed-cta{position:fixed;z-index:1020;left:0;right:0;bottom:0;background:rgba(23,27,25,.97);color:#fff;padding:12px 0;border-top:1px solid rgba(158,218,178,.22);box-shadow:0 -10px 28px rgba(0,0,0,.14)}
    .fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
    .fixed-copy strong{display:block;font-size:15px}
    .fixed-copy span{color:#b9c8bd;font-size:13px}
    .fixed-close{color:#aab9ae;background:transparent;font-size:21px;padding:3px 8px}
    .fixed-close:hover{color:#fff}
    @media(max-width:1199px){
      .navbar-nav{gap:0!important}
      .nav-link{padding-left:7px!important;padding-right:7px!important}
      .overview-grid{grid-template-columns:1.2fr .9fr .9fr}
    }
    @media(max-width:991px){
      .desktop-nav{display:none!important}
      .overview-grid,.path-grid,.related-grid{grid-template-columns:1fr 1fr}
      .overview-card:first-child{grid-column:span 2}
      .step-layout,.scene-grid,.reading-grid,.faq-wrap,.contact-box{grid-template-columns:1fr;gap:30px}
      .step-intro{position:static}
      .scene-image{min-height:390px}
      .path-card.featured{grid-row:auto}
      .timeline{grid-template-columns:repeat(2,1fr);gap:18px}
      .timeline-item{border-top:0;border-left:2px solid var(--green);padding:0 10px 0 20px}
      .timeline-item:before{top:3px;left:-8px}
      .contact-box{padding:28px}
    }
    @media(max-width:767px){
      body{font-size:15px;padding-bottom:126px}
      .site-container{padding:0 18px}
      .section{padding:60px 0}
      .section-tight{padding:42px 0}
      h1{font-size:36px}
      h2{font-size:30px}
      .lead{font-size:16px}
      .hero{padding-top:48px}
      .guide-index{grid-template-columns:1fr}
      .overview-grid,.path-grid,.related-grid{grid-template-columns:1fr}
      .overview-card:first-child{grid-column:auto}
      .overview-card{min-height:auto}
      .section-head{display:block;margin-bottom:25px}
      .section-head .btn{margin-top:18px}
      .step-item{grid-template-columns:52px 1fr;gap:14px}
      .scene-image{min-height:300px}
      .reading-main{padding:24px}
      .timeline{grid-template-columns:1fr;gap:20px}
      .fixed-inner{align-items:flex-start}
      .fixed-copy span{display:block;max-width:215px;line-height:1.5}
      .fixed-inner .btn{padding:10px 14px;white-space:nowrap}
      .fixed-close{display:none}
    }
    @media(max-width:575px){
      .navbar{min-height:68px}
      .brand-mark{font-size:19px}
      .brand-orbit{width:28px;height:28px}
      .hero h1{font-size:32px}
      .hero-anchor{gap:10px 15px}
      .contact-box{padding:21px}
      .footer-bottom{display:block}
      .footer-bottom>div{margin-bottom:9px}
      .fixed-cta{padding:10px 0}
      .fixed-copy strong{font-size:14px}
      .fixed-copy span{font-size:12px}
      .fixed-inner .btn{font-size:13px}
    }
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
    }

/* roulang page: category2 */
:root{
      --ink:#171b19;
      --ink-soft:#29302c;
      --green:#438b68;
      --green-dark:#2e6c4e;
      --green-pale:#e2eee7;
      --paper:#faf8f3;
      --sand:#f0ede5;
      --mist:#d9ddd6;
      --line:#d7d9d2;
      --muted:#68716c;
      --copper:#b87847;
      --white:#fffefb;
      --shadow:0 18px 48px rgba(21,26,23,.10);
      --shadow-dark:0 18px 42px rgba(0,0,0,.24);
      --r-lg:24px;
      --r-md:18px;
      --r-sm:12px;
      --transition:all .22s ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--paper);color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:16px;line-height:1.82;letter-spacing:.01em;padding-bottom:88px
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{line-height:1.3;font-weight:900}
    h1{font-size:clamp(36px,5vw,58px);letter-spacing:-.045em}
    h2{font-size:clamp(28px,3.2vw,42px);letter-spacing:-.035em}
    h3{font-size:22px}
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0}
    .site-container{max-width:1240px;margin:auto;padding:0 24px}
    .section{padding:88px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;color:var(--green-dark);
      font-size:13px;font-weight:800;letter-spacing:.13em
    }
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--green)}
    .lead{font-size:18px;color:#4e5852;line-height:1.9}
    .section-intro{max-width:700px;color:#59625c}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}
    .btn{
      border-radius:999px;padding:12px 21px;font-weight:800;font-size:15px;
      letter-spacing:.02em;transition:var(--transition);border:1px solid transparent;
      display:inline-flex;align-items:center;justify-content:center;gap:9px
    }
    .btn-main{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(67,139,104,.22)}
    .btn-main:hover{background:var(--green-dark);color:#fff;transform:translateY(-2px)}
    .btn-outline{border-color:#aeb8b0;color:var(--ink);background:transparent}
    .btn-outline:hover{border-color:var(--green);color:var(--green-dark);background:var(--green-pale)}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:#303833;color:#fff;transform:translateY(-2px)}
    .btn:focus,.nav-link:focus,.form-control:focus,.form-select:focus,.accordion-button:focus{
      outline:none;box-shadow:0 0 0 4px rgba(67,139,104,.22)
    }
    .btn:active{transform:translateY(1px) scale(.98)}
    .badge-soft,.tag{
      display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;
      background:var(--green-pale);color:var(--green-dark);font-weight:800;font-size:12px
    }
    .tag-dark{background:rgba(255,255,255,.12);color:#d7eee0;border:1px solid rgba(255,255,255,.16)}
    .site-header{
      position:sticky;top:0;z-index:1030;background:rgba(250,248,243,.94);
      backdrop-filter:blur(14px);border-bottom:1px solid rgba(23,27,25,.08)
    }
    .navbar{min-height:76px;padding:10px 0}
    .brand-mark{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;white-space:nowrap}
    .brand-orbit{width:31px;height:31px;position:relative;border:2px solid var(--green);border-radius:50%;display:inline-block}
    .brand-orbit:before{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--copper);right:-4px;top:1px}
    .brand-orbit:after{content:"";position:absolute;width:18px;height:2px;background:var(--green);transform:rotate(-35deg);left:5px;top:14px}
    .nav-link{font-size:14px;font-weight:700;color:#465049!important;padding:8px 10px!important;position:relative;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:var(--green-dark)!important}
    .nav-link.active:after{content:"";height:3px;border-radius:5px;background:var(--green);position:absolute;left:10px;right:10px;bottom:1px}
    .nav-cta{padding:10px 16px;font-size:14px}
    .navbar-toggler{border:1px solid var(--line);border-radius:10px;padding:8px 10px}
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(67,139,104,.18)}
    .mega-wrap{position:relative}
    .mega-toggle:after{display:none}
    .mega-panel{
      width:640px;padding:21px;left:auto;right:0;top:50px;border:1px solid var(--line);
      border-radius:18px;background:#fffefb;box-shadow:var(--shadow);margin:0
    }
    .mega-panel.show{display:block}
    .mega-title{font-size:12px;color:var(--muted);font-weight:800;letter-spacing:.1em;margin-bottom:10px}
    .mega-link{display:block;padding:7px 0;font-weight:700;font-size:14px}
    .mega-link:hover{color:var(--green-dark);padding-left:4px}
    .mega-feature{border-radius:14px;padding:16px;background:var(--ink);color:#fff;height:100%}
    .mega-feature h4{color:#fff;font-size:17px}
    .offcanvas{background:var(--paper)}
    .offcanvas-header{border-bottom:1px solid var(--line)}
    .mobile-nav-link{display:block;padding:14px 0;border-bottom:1px solid var(--line);font-weight:800}
    .page-banner{
      position:relative;overflow:hidden;color:#fff;padding:76px 0 70px;
      background:var(--ink) url('/assets/images/backpic/back-2.webp') center/cover no-repeat
    }
    .page-banner:before{content:"";position:absolute;inset:0;background:rgba(18,23,20,.82)}
    .page-banner:after{content:"";position:absolute;inset:0;opacity:.25;background-image:radial-gradient(circle at 18% 25%,#fff 0 1px,transparent 1.8px),linear-gradient(125deg,transparent 48%,rgba(142,205,168,.35) 49%,transparent 50%);background-size:105px 96px,300px 300px}
    .page-banner .site-container{position:relative;z-index:1}
    .breadcrumb{--bs-breadcrumb-divider:"/";margin-bottom:25px}
    .breadcrumb-item,.breadcrumb-item a{color:#cdd9d0;font-size:14px}
    .breadcrumb-item.active{color:#fff}
    .banner-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:end}
    .page-banner h1{max-width:700px;color:#fff;margin-bottom:20px}
    .page-banner .lead{max-width:730px;color:#dce6df}
    .banner-index{border-left:2px solid #82bd96;padding-left:22px}
    .banner-index strong{font-family:monospace;font-size:44px;color:#a9d5b7;display:block;line-height:1}
    .banner-index span{color:#d5e0d8;font-size:14px}
    .project-tags{border-bottom:1px solid var(--line);background:var(--white)}
    .tag-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
    .tag-row a{padding:10px 15px;border:1px solid var(--line);border-radius:999px;font-weight:750;font-size:14px;background:var(--paper)}
    .tag-row a:hover,.tag-row a.current{background:var(--green-pale);border-color:var(--green);color:var(--green-dark)}
    .intro-panel{display:grid;grid-template-columns:1fr 1.35fr;gap:48px;align-items:start}
    .intro-note{border-top:3px solid var(--green);padding-top:18px;color:var(--muted)}
    .intro-note strong{display:block;color:var(--ink);font-size:28px;line-height:1.2;margin-bottom:8px}
    .project-grid{display:grid;grid-template-columns:5fr 7fr;gap:22px}
    .project-card{position:relative;overflow:hidden;background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);transition:var(--transition);height:100%}
    .project-card:hover{transform:translateY(-5px);border-color:var(--green);box-shadow:var(--shadow)}
    .project-card img{width:100%;height:245px;object-fit:cover;transition:var(--transition)}
    .project-card:hover img{transform:scale(1.035)}
    .project-card.large img{height:370px}
    .project-card-body{padding:25px}
    .project-card h3{margin:13px 0 8px}
    .project-card p{color:var(--muted);margin-bottom:18px}
    .arrow-link{color:var(--green-dark);font-weight:850}
    .arrow-link span{display:inline-block;margin-left:7px;transition:var(--transition)}
    .arrow-link:hover span{transform:translateX(5px)}
    .mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
    .mini-grid .project-card img{height:170px}
    .observation{background:var(--ink);color:#e7eee9;position:relative;overflow:hidden}
    .observation:before{content:"";position:absolute;width:500px;height:500px;border:1px solid rgba(143,200,162,.16);border-radius:50%;right:-180px;top:-220px;box-shadow:0 0 0 36px rgba(143,200,162,.03),0 0 0 72px rgba(143,200,162,.025)}
    .observation .site-container{position:relative}
    .observation h2,.observation h3{color:#fff}
    .observation p{color:#cbd7ce}
    .observation-grid{display:grid;grid-template-columns:4fr 8fr;gap:60px;align-items:start}
    .observation-copy{font-size:17px}
    .observation-quote{font-size:25px;line-height:1.55;color:#d5ebdc;border-left:3px solid var(--green);padding-left:22px;margin:26px 0}
    .score-board{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
    .score-board div{border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:16px;background:rgba(255,255,255,.05)}
    .score-board b{display:block;color:#a8d8b7;font-size:25px;font-family:monospace}
    .score-board span{font-size:12px;color:#b8c8bd}
    .path-section{background:var(--sand)}
    .path-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
    .path-list{background:var(--white);border-radius:var(--r-lg);border:1px solid var(--line);padding:12px 26px}
    .path-item{display:grid;grid-template-columns:48px 1fr auto;gap:16px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}
    .path-item:last-child{border-bottom:0}
    .path-num{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--green-pale);color:var(--green-dark);font-weight:900}
    .path-item h3{font-size:18px;margin-bottom:4px}
    .path-item p{font-size:14px;color:var(--muted);margin:0}
    .path-arrow{color:var(--green);font-size:22px}
    .side-card{background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:29px;display:flex;flex-direction:column;justify-content:space-between;min-height:100%}
    .side-card h3{color:#fff}
    .side-card p{color:#cbd7ce}
    .side-card img{height:180px;width:100%;object-fit:cover;border-radius:15px;margin:20px 0}
    .topic-section{background:var(--paper)}
    .topic-list{border-top:1px solid var(--line)}
    .topic-row{display:grid;grid-template-columns:110px 130px 1fr 120px;gap:18px;align-items:center;padding:20px 10px;border-bottom:1px solid var(--line);transition:var(--transition)}
    .topic-row:hover{background:var(--white);padding-left:17px;padding-right:17px}
    .topic-date{font-family:monospace;color:var(--copper);font-size:14px}
    .topic-row h3{font-size:17px;margin:0}
    .topic-row p{font-size:14px;color:var(--muted);margin:0}
    .topic-row .arrow-link{font-size:14px;text-align:right}
    .guide-band{background:var(--green-pale)}
    .guide-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
    .guide-card{padding:23px;background:rgba(255,254,251,.78);border:1px solid rgba(67,139,104,.2);border-radius:var(--r-md)}
    .guide-card b{font-family:monospace;color:var(--green-dark);font-size:30px;display:block}
    .guide-card h3{font-size:19px;margin:8px 0}
    .guide-card p{color:#58645c;margin:0;font-size:14px}
    .faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:55px}
    .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
    .accordion-button{background:transparent;color:var(--ink);font-weight:850;padding:20px 0;box-shadow:none!important}
    .accordion-button:not(.collapsed){background:transparent;color:var(--green-dark)}
    .accordion-button:after{background-size:14px}
    .accordion-body{padding:0 35px 20px 0;color:var(--muted)}
    .contact-section{background:var(--sand)}
    .contact-box{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:34px;box-shadow:var(--shadow)}
    .form-label{font-weight:800;font-size:14px;margin-bottom:7px}
    .form-control,.form-select{border:1px solid #cbd0c9;border-radius:12px;padding:12px 14px;background:#fffefb}
    .form-control::placeholder{color:#9aa39c}
    .footer{background:var(--ink);color:#d9e2db;padding:62px 0 25px}
    .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:21px;font-weight:900;margin-bottom:14px}
    .footer p{color:#b9c6bd;max-width:390px}
    .footer h4{color:#fff;font-size:15px;margin-bottom:15px}
    .footer a:not(.footer-brand){display:block;color:#b9c6bd;font-size:14px;margin:7px 0}
    .footer a:hover{color:#9edab2}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:35px;padding-top:20px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:13px;color:#aebbb1}
    .footer-bottom a{display:inline!important}
    .sticky-cta{position:fixed;z-index:1040;bottom:0;left:0;right:0;background:rgba(23,27,25,.96);color:#fff;border-top:1px solid rgba(143,200,162,.24);padding:13px 0;box-shadow:0 -8px 24px rgba(0,0,0,.15)}
    .sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
    .sticky-inner strong{font-size:16px}
    .sticky-inner span{font-size:13px;color:#c2d0c6;margin-left:12px}
    .reduced-motion *,@media (prefers-reduced-motion:reduce){transition:none!important;scroll-behavior:auto!important}
    @media (max-width:1199px){
      .navbar-nav .nav-link{padding-left:7px!important;padding-right:7px!important}
      .mega-panel{width:570px}
    }
    @media (max-width:991px){
      .banner-grid,.intro-panel,.observation-grid,.path-grid,.faq-wrap{grid-template-columns:1fr;gap:28px}
      .banner-index{max-width:280px}
      .topic-row{grid-template-columns:95px 110px 1fr 100px}
      .navbar .nav-cta{display:none}
    }
    @media (max-width:767px){
      body{font-size:15px;padding-bottom:128px}
      .site-container{padding:0 18px}
      .section{padding:60px 0}
      .section-tight{padding:42px 0}
      .section-head{display:block;margin-bottom:25px}
      .section-head .btn{margin-top:16px}
      .page-banner{padding:52px 0 55px}
      .page-banner h1{font-size:38px}
      .project-grid,.mini-grid,.guide-grid{grid-template-columns:1fr}
      .project-card.large img,.project-card img{height:225px}
      .mini-grid .project-card img{height:210px}
      .observation-quote{font-size:20px}
      .topic-row{grid-template-columns:1fr auto;gap:7px 14px;padding:17px 0}
      .topic-date{grid-column:1}
      .topic-row .tag{grid-column:2;grid-row:1}
      .topic-row h3,.topic-row p{grid-column:1 / -1}
      .topic-row .arrow-link{text-align:left;grid-column:1 / -1}
      .sticky-inner{align-items:flex-start}
      .sticky-inner span{display:block;margin:3px 0 0}
      .sticky-inner .btn{white-space:nowrap;padding:10px 14px}
      .footer-bottom{display:block}
      .footer-bottom>div{margin-bottom:8px}
    }
    @media (max-width:575px){
      h2{font-size:30px}
      .page-banner h1{font-size:32px}
      .lead{font-size:16px}
      .contact-box{padding:22px}
      .score-board{grid-template-columns:1fr}
      .path-list{padding:8px 18px}
      .path-item{grid-template-columns:38px 1fr;gap:12px}
      .path-arrow{grid-column:2}
      .sticky-cta{padding:10px 0}
      .sticky-inner strong{font-size:14px}
      .sticky-inner span{font-size:12px}
    }

/* roulang page: category5 */
:root{
      --ink:#171b19;
      --ink-soft:#29302c;
      --green:#438b68;
      --green-dark:#2e6c4e;
      --green-pale:#e2eee7;
      --paper:#faf8f3;
      --sand:#f0ede5;
      --mist:#d9ddd6;
      --line:#d7d9d2;
      --muted:#68716c;
      --copper:#b87847;
      --white:#fffefb;
      --shadow:0 18px 48px rgba(21,26,23,.10);
      --shadow-dark:0 18px 42px rgba(0,0,0,.24);
      --r-lg:24px;
      --r-md:18px;
      --r-sm:12px;
      --transition:all .22s ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      padding-bottom:88px;
      background:var(--paper);
      color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",Arial,sans-serif;
      font-size:16px;
      line-height:1.82;
      letter-spacing:.01em;
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{font-weight:900;line-height:1.25}
    h1{font-size:clamp(36px,5vw,58px);letter-spacing:-.04em}
    h2{font-size:clamp(28px,3.2vw,42px);letter-spacing:-.025em}
    h3{font-size:22px}
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0}
    .site-container{max-width:1240px;margin:auto;padding:0 24px}
    .section{padding:88px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--green-dark);
      font-size:13px;
      font-weight:800;
      letter-spacing:.13em;
    }
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--green)}
    .lead{font-size:18px;color:#4e5852;line-height:1.9}
    .section-intro{max-width:700px;color:#59625c}
    .btn{
      border-radius:999px;
      padding:12px 21px;
      font-weight:800;
      font-size:15px;
      letter-spacing:.02em;
      transition:var(--transition);
      border:1px solid transparent;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
    }
    .btn-main{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(67,139,104,.22)}
    .btn-main:hover{background:var(--green-dark);color:#fff;transform:translateY(-2px)}
    .btn-outline{border-color:#aeb8b0;color:var(--ink);background:transparent}
    .btn-outline:hover{border-color:var(--green);color:var(--green-dark);background:var(--green-pale)}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:#303833;color:#fff;transform:translateY(-2px)}
    .btn:focus,.nav-link:focus,.form-control:focus,.form-select:focus,.accordion-button:focus{
      outline:none;
      box-shadow:0 0 0 4px rgba(67,139,104,.22);
    }
    .btn:active{transform:translateY(1px) scale(.98)}
    .badge-soft,.tag{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:5px 10px;
      background:var(--green-pale);
      color:var(--green-dark);
      font-weight:800;
      font-size:12px;
    }
    .tag-copper{background:#f2e5db;color:#895329}
    .tag-dark{background:rgba(255,255,255,.12);color:#d7eee0;border:1px solid rgba(255,255,255,.16)}
    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      background:rgba(250,248,243,.94);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(23,27,25,.08);
    }
    .navbar{min-height:76px;padding:10px 0}
    .brand-mark,.footer-brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:900;
      font-size:21px;
      white-space:nowrap;
    }
    .brand-orbit{
      width:31px;
      height:31px;
      position:relative;
      border:2px solid var(--green);
      border-radius:50%;
      flex:0 0 auto;
    }
    .brand-orbit:before{
      content:"";
      position:absolute;
      width:8px;height:8px;border-radius:50%;
      background:var(--copper);
      right:-4px;top:1px;
    }
    .brand-orbit:after{
      content:"";
      position:absolute;
      width:18px;height:2px;
      background:var(--green);
      transform:rotate(-35deg);
      left:5px;top:14px;
    }
    .nav-link{
      font-size:14px;
      font-weight:700;
      color:#465049!important;
      padding:8px 10px!important;
      position:relative;
      white-space:nowrap;
    }
    .nav-link:hover{color:var(--green-dark)!important}
    .nav-link.active{color:var(--green-dark)!important}
    .nav-link.active:after{
      content:"";
      height:3px;
      border-radius:5px;
      background:var(--green);
      position:absolute;
      left:10px;right:10px;bottom:1px;
    }
    .nav-cta{padding:10px 16px;font-size:14px}
    .navbar-toggler{border:1px solid var(--line);border-radius:10px;padding:8px 10px}
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(67,139,104,.18)}
    .mega-wrap{position:relative}
    .mega-toggle:after{display:none}
    .mega-panel{
      width:640px;
      padding:21px;
      left:auto;
      right:0;
      top:50px;
      border:1px solid var(--line);
      border-radius:18px;
      background:#fffefb;
      box-shadow:var(--shadow);
      margin:0;
    }
    .mega-panel.show{display:block}
    .mega-title{font-size:12px;color:var(--muted);font-weight:800;letter-spacing:.1em;margin-bottom:10px}
    .mega-link{display:block;padding:7px 0;font-weight:700;font-size:14px}
    .mega-link:hover{color:var(--green-dark);padding-left:4px}
    .mega-feature{border-radius:14px;padding:16px;background:var(--ink);color:#fff;height:100%}
    .mega-feature h4{color:#fff;font-size:17px}
    .offcanvas{background:var(--paper)}
    .offcanvas-header{border-bottom:1px solid var(--line)}
    .mobile-nav-link{display:block;padding:14px 0;border-bottom:1px solid var(--line);font-weight:800}
    .inner-hero{
      position:relative;
      overflow:hidden;
      color:#fff;
      padding:86px 0 58px;
      background:var(--ink) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    }
    .inner-hero:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg,rgba(18,23,20,.94),rgba(18,23,20,.68));
    }
    .inner-hero:after{
      content:"";
      position:absolute;
      inset:0;
      opacity:.2;
      background-image:radial-gradient(circle at 16% 25%,#fff 0 1px,transparent 1.8px),linear-gradient(115deg,transparent 48%,rgba(142,205,168,.35) 49%,transparent 50%);
      background-size:110px 100px,290px 290px;
    }
    .inner-hero .site-container{position:relative;z-index:1}
    .hero-kicker{color:#cfe9d8}
    .hero-kicker:before{background:#87c69e}
    .inner-hero h1{max-width:720px;color:#fff;margin:16px 0 20px}
    .inner-hero .lead{max-width:720px;color:#e0e7e1}
    .breadcrumb-wrap{padding:22px 0 0;background:var(--paper)}
    .breadcrumb{margin:0;font-size:13px;color:var(--muted)}
    .breadcrumb-item+.breadcrumb-item:before{color:var(--green)}
    .countdown-card{
      min-height:260px;
      padding:24px;
      border:1px solid rgba(207,233,216,.3);
      border-radius:var(--r-lg);
      background:rgba(16,22,19,.78);
      box-shadow:var(--shadow-dark);
    }
    .countdown-ring{
      width:150px;height:150px;
      margin:6px auto 16px;
      border:9px solid rgba(135,198,158,.18);
      border-top-color:#87c69e;
      border-right-color:var(--copper);
      border-radius:50%;
      display:flex;
      align-items:center;
      justify-content:center;
      text-align:center;
      transform:rotate(-25deg);
    }
    .countdown-ring strong{font-size:31px;line-height:1;color:#fff;transform:rotate(25deg);display:block}
    .countdown-ring small{display:block;font-size:11px;color:#b9c9bf;margin-top:8px}
    .hero-points{display:flex;gap:8px;margin-top:24px;flex-wrap:wrap}
    .hero-points span{width:9px;height:9px;border-radius:50%;background:#72827a}
    .hero-points span.active{background:#9edab2;box-shadow:0 0 0 4px rgba(158,218,178,.15)}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}
    .timeline{
      position:relative;
      margin-top:18px;
    }
    .timeline:before{
      content:"";
      position:absolute;
      left:132px;
      top:12px;
      bottom:12px;
      width:2px;
      background:var(--mist);
    }
    .timeline-item{
      position:relative;
      display:grid;
      grid-template-columns:108px 1fr;
      gap:48px;
      padding:0 0 38px;
    }
    .timeline-item:last-child{padding-bottom:0}
    .timeline-date{
      color:var(--green-dark);
      font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
      font-weight:900;
      text-align:right;
      font-size:14px;
    }
    .timeline-dot{
      position:absolute;
      left:125px;
      top:7px;
      width:16px;height:16px;
      border-radius:50%;
      background:var(--paper);
      border:4px solid var(--green);
      z-index:1;
    }
    .timeline-content{
      padding:22px 24px;
      border:1px solid var(--line);
      border-radius:var(--r-md);
      background:var(--white);
      transition:var(--transition);
    }
    .timeline-content:hover{transform:translateY(-4px);border-color:#9bc4aa;box-shadow:var(--shadow)}
    .timeline-content h3{margin:12px 0 8px}
    .timeline-content p{color:var(--muted);margin-bottom:16px}
    .archive-feature{
      background:var(--ink);
      color:#fff;
      border-radius:var(--r-lg);
      overflow:hidden;
      box-shadow:var(--shadow-dark);
    }
    .archive-feature .cover{
      min-height:390px;
      background:url('/assets/images/coverpic/cover-7.webp') center/cover;
      position:relative;
    }
    .archive-feature .cover:after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(0deg,rgba(20,25,22,.72),transparent 65%);
    }
    .archive-feature .feature-copy{padding:42px}
    .feature-copy p{color:#d3ddd6}
    .note-line{
      border-left:3px solid var(--copper);
      padding:4px 0 4px 18px;
      color:#e7eee9;
      margin:24px 0;
    }
    .phase-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:18px}
    .phase-card{
      min-height:205px;
      padding:25px;
      border-radius:var(--r-md);
      background:var(--white);
      border:1px solid var(--line);
      position:relative;
      overflow:hidden;
    }
    .phase-card:nth-child(2){background:var(--green-pale);transform:translateY(22px)}
    .phase-card:nth-child(3){background:#f5eae2}
    .phase-no{font-family:ui-monospace,monospace;color:var(--copper);font-weight:900;font-size:13px}
    .phase-card h3{margin:12px 0}
    .phase-card p{color:var(--muted);font-size:15px}
    .content-panel{
      padding:34px;
      background:var(--sand);
      border-radius:var(--r-lg);
    }
    .content-panel h2{max-width:640px}
    .content-panel p{color:#59625c}
    .reading-list{list-style:none;padding:0;margin:24px 0 0}
    .reading-list li{
      display:flex;
      gap:16px;
      align-items:flex-start;
      padding:17px 0;
      border-top:1px solid var(--line);
    }
    .reading-list li:last-child{border-bottom:1px solid var(--line)}
    .reading-list b{color:var(--green-dark);font-size:14px;min-width:58px}
    .reading-list span{color:#465049}
    .cover-stack{position:relative;min-height:420px}
    .cover-stack img{position:absolute;width:72%;height:270px;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--shadow)}
    .cover-stack img:first-child{right:0;top:0}
    .cover-stack img:last-child{left:0;bottom:0;height:220px;border:9px solid var(--sand)}
    .quote{
      padding:29px 32px;
      border-radius:var(--r-md);
      background:#e9eee8;
      color:#354139;
      font-size:20px;
      font-weight:800;
      line-height:1.65;
    }
    .quote small{display:block;margin-top:13px;color:var(--muted);font-size:13px;font-weight:700}
    .archive-table{border-top:1px solid var(--line)}
    .archive-row{
      display:grid;
      grid-template-columns:130px 1fr 110px;
      gap:22px;
      align-items:center;
      padding:23px 0;
      border-bottom:1px solid var(--line);
    }
    .archive-row time{font-family:ui-monospace,monospace;color:var(--copper);font-weight:900}
    .archive-row h3{font-size:19px;margin:0 0 5px}
    .archive-row p{font-size:14px;color:var(--muted);margin:0}
    .archive-row .btn{padding:8px 13px;font-size:13px}
    .faq-wrap{background:var(--ink);color:#fff}
    .faq-wrap .section-intro{color:#cbd7ce}
    .accordion-item{background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.15)}
    .accordion-button{
      background:transparent!important;
      color:#fff!important;
      box-shadow:none!important;
      padding:21px 0;
      font-weight:800;
      font-size:17px;
    }
    .accordion-button:after{filter:brightness(0) invert(1);opacity:.7}
    .accordion-body{padding:0 36px 22px 0;color:#cbd7ce}
    .contact-card{
      padding:34px;
      border-radius:var(--r-lg);
      background:var(--white);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .form-label{font-weight:800;font-size:14px;color:#3c463f}
    .form-control,.form-select{
      border:1px solid #cbd1ca;
      border-radius:12px;
      padding:12px 14px;
      background:#fff;
    }
    .form-control::placeholder{color:#9aa49d}
    .form-note{font-size:13px;color:var(--muted)}
    .footer{background:var(--ink);color:#d7e0d9;padding:58px 0 22px}
    .footer-brand{color:#fff;margin-bottom:16px}
    .footer p{color:#aebbb1;font-size:14px}
    .footer h4{color:#fff;font-size:15px;margin-bottom:14px}
    .footer a:not(.btn){display:block;color:#b9c6bc;font-size:14px;margin:7px 0}
    .footer a:not(.btn):hover{color:#9edab2;padding-left:3px}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      flex-wrap:wrap;
      gap:12px;
      border-top:1px solid rgba(255,255,255,.13);
      margin-top:38px;
      padding-top:19px;
      color:#9eaaa1;
      font-size:12px;
    }
    .footer-bottom a{display:inline!important;margin:0!important}
    .sticky-cta{
      position:fixed;
      z-index:1020;
      left:0;right:0;bottom:0;
      background:rgba(23,27,25,.96);
      color:#fff;
      border-top:1px solid rgba(158,218,178,.25);
      box-shadow:0 -10px 28px rgba(0,0,0,.15);
      padding:13px 0;
    }
    .sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
    .sticky-copy strong{display:block;font-size:15px}
    .sticky-copy span{font-size:12px;color:#b7c5ba}
    .mini-calendar{
      display:grid;
      grid-template-columns:repeat(7,1fr);
      gap:7px;
      margin-top:22px;
    }
    .mini-calendar span{
      padding:10px 4px;
      text-align:center;
      border:1px solid var(--line);
      border-radius:9px;
      color:var(--muted);
      font-size:13px;
      background:rgba(255,255,255,.55);
    }
    .mini-calendar span.mark{background:var(--green);color:#fff;border-color:var(--green)}
    .mini-calendar span.copper{background:#f1dfd2;color:#895329;border-color:#e6c4ad}
    @media (max-width:1199px){
      .phase-grid{grid-template-columns:1fr 1fr}
      .phase-card:nth-child(2){transform:none}
    }
    @media (max-width:991px){
      .desktop-nav{display:none!important}
      .mega-panel{display:none!important}
      .archive-feature .cover{min-height:300px}
      .cover-stack{min-height:360px;margin-top:30px}
    }
    @media (max-width:767px){
      body{padding-bottom:116px}
      .section{padding:62px 0}
      .section-tight{padding:42px 0}
      .site-container{padding:0 18px}
      .section-head{display:block;margin-bottom:25px}
      .section-head .btn{margin-top:18px}
      .inner-hero{padding:62px 0 42px}
      .inner-hero h1{font-size:36px}
      .countdown-card{margin-top:28px}
      .timeline:before{left:8px}
      .timeline-item{display:block;padding:0 0 28px 35px}
      .timeline-date{text-align:left;margin-bottom:9px}
      .timeline-dot{left:1px}
      .phase-grid{grid-template-columns:1fr}
      .archive-feature .feature-copy{padding:28px 23px}
      .archive-row{grid-template-columns:1fr;gap:7px}
      .archive-row .btn{justify-self:start;margin-top:7px}
      .cover-stack{min-height:320px}
      .cover-stack img{height:210px}
      .cover-stack img:last-child{height:175px}
      .quote{font-size:17px;padding:23px}
      .sticky-inner{align-items:flex-start}
      .sticky-copy span{display:block;max-width:220px;line-height:1.5}
      .sticky-cta .btn{padding:10px 14px;white-space:nowrap}
    }
    @media (max-width:575px){
      h2{font-size:30px}
      .lead{font-size:16px}
      .navbar{min-height:68px}
      .brand-mark{font-size:19px}
      .contact-card{padding:23px 18px}
      .footer-bottom{display:block}
      .footer-bottom>div{margin-bottom:8px}
    }
    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{scroll-behavior:auto!important;transition:none!important}
    }

/* roulang page: category4 */
:root{
      --ink:#171b19;
      --ink-soft:#29302c;
      --green:#438b68;
      --green-dark:#2e6c4e;
      --green-pale:#e2eee7;
      --paper:#faf8f3;
      --sand:#f0ede5;
      --mist:#d9ddd6;
      --line:#d7d9d2;
      --muted:#68716c;
      --copper:#b87847;
      --white:#fffefb;
      --shadow:0 18px 48px rgba(21,26,23,.10);
      --shadow-dark:0 18px 42px rgba(0,0,0,.24);
      --r-lg:24px;
      --r-md:18px;
      --r-sm:12px;
      --transition:all .22s ease;
    }
    html{scroll-behavior:smooth}
    *{box-sizing:border-box}
    body{
      margin:0;
      background:var(--paper);
      color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:16px;
      line-height:1.82;
      letter-spacing:.01em;
      padding-bottom:86px;
    }
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    a:hover{color:var(--green-dark)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0}
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{line-height:1.25;font-weight:900}
    h1{font-size:clamp(2.2rem,5vw,4rem);letter-spacing:-.045em}
    h2{font-size:clamp(1.8rem,3vw,2.65rem);letter-spacing:-.035em}
    h3{font-size:1.3rem}
    .site-container{max-width:1240px;margin:auto;padding:0 24px}
    .section{padding:88px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--green-dark);font-size:13px;font-weight:800;letter-spacing:.13em
    }
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--green)}
    .lead{font-size:18px;color:#4e5852;line-height:1.9}
    .section-intro{max-width:720px;color:#59625c}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}
    .section-head h2{margin:10px 0 0}
    .btn{
      border-radius:999px;padding:12px 21px;font-weight:800;font-size:15px;
      letter-spacing:.02em;transition:var(--transition);border:1px solid transparent;
      display:inline-flex;align-items:center;justify-content:center;gap:9px
    }
    .btn-main{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(67,139,104,.22)}
    .btn-main:hover{background:var(--green-dark);color:#fff;transform:translateY(-2px)}
    .btn-outline{border-color:#aeb8b0;color:var(--ink);background:transparent}
    .btn-outline:hover{border-color:var(--green);color:var(--green-dark);background:var(--green-pale)}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:#303833;color:#fff;transform:translateY(-2px)}
    .btn:focus,.nav-link:focus,.form-control:focus,.form-select:focus,.accordion-button:focus{
      outline:none;box-shadow:0 0 0 4px rgba(67,139,104,.22)
    }
    .btn:active{transform:translateY(1px) scale(.98)}
    .badge-soft,.tag{
      display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;
      background:var(--green-pale);color:var(--green-dark);font-weight:800;font-size:12px
    }
    .tag-dark{background:rgba(255,255,255,.12);color:#d7eee0;border:1px solid rgba(255,255,255,.16)}
    .site-header{
      position:sticky;top:0;z-index:1030;background:rgba(250,248,243,.94);
      backdrop-filter:blur(14px);border-bottom:1px solid rgba(23,27,25,.08)
    }
    .navbar{min-height:76px;padding:10px 0}
    .brand-mark{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;white-space:nowrap}
    .brand-orbit{width:31px;height:31px;position:relative;border:2px solid var(--green);border-radius:50%}
    .brand-orbit:before{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--copper);right:-4px;top:1px}
    .brand-orbit:after{content:"";position:absolute;width:18px;height:2px;background:var(--green);transform:rotate(-35deg);left:5px;top:14px}
    .nav-link{font-size:14px;font-weight:700;color:#465049!important;padding:8px 10px!important;position:relative;white-space:nowrap}
    .nav-link:hover{color:var(--green-dark)!important}
    .nav-link.active{color:var(--green-dark)!important}
    .nav-link.active:after{content:"";height:3px;border-radius:5px;background:var(--green);position:absolute;left:10px;right:10px;bottom:1px}
    .nav-cta{padding:10px 16px;font-size:14px}
    .navbar-toggler{border:1px solid var(--line);border-radius:10px;padding:8px 10px}
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(67,139,104,.18)}
    .mega-wrap{position:relative}
    .mega-panel{
      width:640px;padding:21px;left:auto;right:0;top:50px;
      border:1px solid var(--line);border-radius:18px;background:#fffefb;
      box-shadow:var(--shadow);margin:0
    }
    .mega-panel.show{display:block}
    .mega-title{font-size:12px;color:var(--muted);font-weight:800;letter-spacing:.1em;margin-bottom:10px}
    .mega-link{display:block;padding:7px 0;font-weight:700;font-size:14px}
    .mega-link:hover{color:var(--green-dark);padding-left:4px}
    .mega-feature{border-radius:14px;padding:16px;background:var(--ink);color:#fff;height:100%}
    .mega-feature h4{color:#fff;font-size:17px}
    .offcanvas{background:var(--paper)}
    .offcanvas-header{border-bottom:1px solid var(--line)}
    .mobile-nav-link{display:block;padding:14px 0;border-bottom:1px solid var(--line);font-weight:800}
    .hero{
      position:relative;overflow:hidden;color:#fff;padding:78px 0 42px;
      background:var(--ink) url('/assets/images/backpic/back-2.webp') center/cover no-repeat
    }
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,23,20,.95),rgba(18,23,20,.74) 58%,rgba(18,23,20,.44))}
    .hero:after{
      content:"";position:absolute;inset:0;opacity:.22;pointer-events:none;
      background-image:radial-gradient(circle at 14% 25%,#fff 0 1px,transparent 1.7px),radial-gradient(circle at 82% 16%,#fff 0 1px,transparent 1.7px),linear-gradient(120deg,transparent 48%,rgba(142,205,168,.3) 49%,transparent 50%);
      background-size:95px 88px,126px 112px,280px 280px
    }
    .hero .site-container{position:relative;z-index:1}
    .hero h1{max-width:760px;color:#fff;margin:14px 0 20px}
    .hero .eyebrow{color:#cfe9d8}
    .hero .eyebrow:before{background:#87c69e}
    .hero .lead{max-width:700px;color:#e0e7e1}
    .hero-meta{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 30px}
    .hero-meta span{padding:7px 12px;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:rgba(255,255,255,.07);font-size:13px;color:#e2ebe4}
    .hero-anchor{display:flex;gap:18px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.16);padding-top:21px;margin-top:38px}
    .hero-anchor a{font-size:13px;color:#dce6df;font-weight:700}
    .hero-anchor a:hover{color:#9edab2}
    .hero-cover{min-height:420px;border-radius:var(--r-lg);overflow:hidden;position:relative;box-shadow:var(--shadow-dark);background:#27332d}
    .hero-cover img{width:100%;height:100%;min-height:420px;object-fit:cover;opacity:.82}
    .hero-cover:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(10,15,12,.9))}
    .cover-note{position:absolute;z-index:2;bottom:24px;left:24px;right:24px}
    .cover-note h3{color:#fff;margin:12px 0 4px}
    .cover-note p{color:#d8e4dc;font-size:14px;margin:0}
    .crumbs{padding:20px 0;background:var(--paper);border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
    .crumbs a{color:var(--green-dark);font-weight:700}
    .topic-strip{display:flex;gap:10px;flex-wrap:wrap}
    .topic-strip a{padding:8px 14px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:13px;font-weight:700}
    .topic-strip a:hover,.topic-strip a.current{background:var(--green-pale);border-color:#a5c6b1;color:var(--green-dark)}
    .feature-story{height:100%;border-radius:var(--r-lg);overflow:hidden;background:var(--ink);color:#fff;position:relative;min-height:520px}
    .feature-story img{width:100%;height:100%;min-height:520px;object-fit:cover;opacity:.72;transition:var(--transition)}
    .feature-story:hover img{transform:scale(1.04);opacity:.84}
    .feature-story:after{content:"";position:absolute;inset:30% 0 0;background:linear-gradient(transparent,rgba(10,14,11,.95))}
    .feature-copy{position:absolute;z-index:2;left:30px;right:30px;bottom:28px}
    .feature-copy h2{font-size:clamp(1.7rem,3vw,2.45rem);color:#fff;margin:13px 0}
    .feature-copy p{color:#dce5de;margin-bottom:18px}
    .content-list{border-top:1px solid var(--line)}
    .content-item{display:grid;grid-template-columns:112px 1fr auto;gap:20px;align-items:start;padding:21px 0;border-bottom:1px solid var(--line)}
    .content-item:hover h3{color:var(--green-dark)}
    .content-date{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--copper);font-size:13px;font-weight:800;padding-top:4px}
    .content-item h3{font-size:18px;margin:0 0 7px;transition:var(--transition)}
    .content-item p{font-size:14px;color:var(--muted);margin:0;line-height:1.7}
    .read-link{font-size:13px;font-weight:800;color:var(--green-dark);white-space:nowrap;padding-top:4px}
    .read-link span{display:inline-block;transition:var(--transition)}
    .read-link:hover span{transform:translateX(5px)}
    .dark-band{background:var(--ink);color:#fff;position:relative;overflow:hidden}
    .dark-band:before{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(133,190,153,.15);border-radius:50%;right:-100px;top:-180px}
    .dark-band .site-container{position:relative;z-index:1}
    .dark-band .eyebrow{color:#bfe1c9}
    .dark-band .eyebrow:before{background:#86bd99}
    .dark-band h2,.dark-band h3{color:#fff}
    .dark-band p{color:#d5dfd8}
    .observation-copy{max-width:760px}
    .quote{border-left:3px solid var(--green);padding:5px 0 5px 22px;font-size:20px;line-height:1.65;color:#dcebe0;margin:28px 0}
    .topic-card{height:100%;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:var(--transition)}
    .topic-card:hover{transform:translateY(-5px);border-color:#9fc1aa;box-shadow:var(--shadow)}
    .topic-card img{width:100%;height:190px;object-fit:cover;transition:var(--transition)}
    .topic-card:hover img{transform:scale(1.04)}
    .topic-card-body{padding:20px}
    .topic-card h3{font-size:20px;margin:12px 0 9px}
    .topic-card p{font-size:14px;color:var(--muted);margin-bottom:15px}
    .story-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
    .story-panel{background:var(--sand);border-radius:var(--r-lg);padding:31px;height:100%}
    .story-panel.light{background:var(--white);border:1px solid var(--line)}
    .story-panel h3{margin:11px 0 13px}
    .story-panel p{color:#59625c}
    .story-panel ul{padding-left:20px;color:#4f5953}
    .story-panel li{margin:8px 0}
    .mini-feature{position:relative;min-height:360px;border-radius:var(--r-lg);overflow:hidden;color:#fff}
    .mini-feature img{width:100%;height:100%;min-height:360px;object-fit:cover}
    .mini-feature:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(12,18,14,.94))}
    .mini-feature-copy{position:absolute;z-index:2;left:24px;right:24px;bottom:22px}
    .mini-feature-copy h3{color:#fff;margin:10px 0}
    .mini-feature-copy p{font-size:14px;color:#d9e4dc;margin:0}
    .path-list{counter-reset:path;list-style:none;padding:0;margin:0}
    .path-list li{counter-increment:path;display:flex;gap:15px;padding:16px 0;border-bottom:1px solid var(--line)}
    .path-list li:before{content:counter(path,decimal-leading-zero);color:var(--green-dark);font-family:ui-monospace,monospace;font-weight:900}
    .path-list strong{display:block;margin-bottom:3px}
    .path-list span{display:block;color:var(--muted);font-size:14px}
    .archive{background:var(--paper)}
    .archive-row{display:grid;grid-template-columns:100px 1fr;gap:24px;padding:25px 0;border-bottom:1px solid var(--line)}
    .archive-row:first-child{border-top:1px solid var(--line)}
    .archive-time{font-family:ui-monospace,monospace;color:var(--copper);font-size:13px;font-weight:800}
    .archive-row h3{font-size:20px;margin:0 0 8px}
    .archive-row p{color:var(--muted);margin:0 0 13px;max-width:780px}
    .archive-row a{font-size:13px;color:var(--green-dark);font-weight:800}
    .faq-wrap{max-width:850px}
    .accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;overflow:hidden;margin-bottom:10px;background:var(--white)}
    .accordion-button{background:var(--white);color:var(--ink);font-weight:800;padding:19px 21px}
    .accordion-button:not(.collapsed){background:var(--green-pale);color:var(--green-dark);box-shadow:none}
    .accordion-button:after{background-size:15px}
    .accordion-body{color:#5a655e;line-height:1.8;padding:0 21px 20px}
    .contact-card{background:var(--green-pale);border:1px solid #c8dfcf;border-radius:var(--r-lg);padding:30px}
    .form-label{font-weight:800;font-size:14px;margin-bottom:7px}
    .form-control,.form-select{border:1px solid #c6cec7;border-radius:12px;background:var(--white);padding:12px 14px;color:var(--ink)}
    .form-control::placeholder{color:#9aa39d}
    .form-control:focus,.form-select:focus{border-color:var(--green);background:#fff;box-shadow:0 0 0 4px rgba(67,139,104,.14)}
    .footer{background:var(--ink);color:#dce4de;padding:68px 0 24px}
    .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:900;font-size:21px;margin-bottom:17px}
    .footer .brand-orbit{border-color:#80ba95}.footer .brand-orbit:after{background:#80ba95}
    .footer p{color:#aeb9b1;font-size:14px;line-height:1.8}
    .footer h4{font-size:15px;color:#fff;margin-bottom:15px}
    .footer a{display:block;color:#b9c7bd;font-size:14px;margin:8px 0}
    .footer a:hover{color:#9edab2}
    .footer .btn-main{display:inline-flex;color:#fff;margin-top:7px}
    .footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.13);margin-top:42px;padding-top:20px;color:#98a69d;font-size:12px}
    .footer-bottom a{display:inline;color:#c2d0c6;margin:0}
    .fixed-cta{position:fixed;z-index:1020;left:0;right:0;bottom:0;background:rgba(23,27,25,.97);color:#fff;border-top:1px solid rgba(134,189,153,.25);box-shadow:0 -10px 30px rgba(0,0,0,.12)}
    .fixed-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .fixed-inner strong{font-size:16px}
    .fixed-inner span{display:block;color:#bdc9c1;font-size:13px}
    .fixed-inner .btn{flex-shrink:0}
    .reduce-motion *{transition:none!important}
    @media (max-width:1199px){
      .navbar-nav .nav-link{padding-left:7px!important;padding-right:7px!important}
      .nav-cta{padding:9px 12px;font-size:13px}
    }
    @media (max-width:991px){
      .desktop-nav{display:none!important}
      .hero{padding-top:60px}
      .hero-cover{min-height:330px;margin-top:25px}
      .hero-cover img{min-height:330px}
      .story-grid{grid-template-columns:1fr}
      .section{padding:70px 0}
    }
    @media (min-width:992px){
      .mobile-menu-button{display:none}
    }
    @media (max-width:767px){
      body{font-size:15px;padding-bottom:126px}
      .site-container{padding:0 18px}
      .section{padding:56px 0}
      .section-tight{padding:42px 0}
      .section-head{display:block;margin-bottom:25px}
      .section-head .btn{margin-top:18px}
      .hero{padding:50px 0 28px}
      .hero .lead{font-size:16px}
      .hero-cover,.hero-cover img{min-height:285px}
      .hero-anchor{gap:12px;margin-top:25px}
      .content-item{grid-template-columns:1fr;gap:4px}
      .content-date{padding-top:0}
      .read-link{padding-top:0}
      .archive-row{grid-template-columns:1fr;gap:5px}
      .story-panel{padding:24px}
      .fixed-inner{min-height:112px;padding:13px 18px;align-items:flex-start}
      .fixed-inner .btn{margin-top:8px;padding:10px 14px;font-size:13px}
      .fixed-inner strong{font-size:14px}
      .fixed-inner span{font-size:12px;line-height:1.5;margin-top:3px}
    }
    @media (max-width:575px){
      h1{font-size:32px}
      h2{font-size:28px}
      .btn{width:100%;padding:12px 16px}
      .hero .btn{width:auto}
      .hero-meta span{font-size:12px}
      .topic-card img{height:170px}
      .footer-bottom{display:block}
      .footer-bottom>div{margin-bottom:8px}
      .fixed-inner{gap:10px}
      .fixed-inner .btn{width:auto;white-space:nowrap}
    }
    @media (prefers-reduced-motion:reduce){
      html{scroll-behavior:auto}
      *,*:before,*:after{transition:none!important;animation:none!important}
    }

/* roulang page: category6 */
:root{
      --ink:#171b19;
      --ink-soft:#29302c;
      --green:#438b68;
      --green-dark:#2e6c4e;
      --green-pale:#e2eee7;
      --paper:#faf8f3;
      --sand:#f0ede5;
      --mist:#d9ddd6;
      --line:#d7d9d2;
      --muted:#68716c;
      --copper:#b87847;
      --white:#fffefb;
      --shadow:0 18px 48px rgba(21,26,23,.10);
      --shadow-dark:0 18px 42px rgba(0,0,0,.24);
      --r-lg:24px;
      --r-md:18px;
      --r-sm:12px;
      --transition:all .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--paper);
      color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",Arial,sans-serif;
      font-size:16px;
      line-height:1.82;
      letter-spacing:.01em;
      padding-bottom:82px;
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{line-height:1.3;font-weight:900}
    h1{font-size:clamp(2.25rem,4.6vw,4.1rem);letter-spacing:-.04em}
    h2{font-size:clamp(1.8rem,3vw,2.75rem);letter-spacing:-.025em}
    h3{font-size:1.25rem}
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    a:hover{color:var(--green-dark)}
    img{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    button{border:0}
    .site-container{max-width:1240px;margin:auto;padding:0 24px}
    .section{padding:88px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--green-dark);font-size:13px;font-weight:800;
      letter-spacing:.13em;text-transform:uppercase
    }
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--green)}
    .lead{font-size:18px;color:#4e5852;line-height:1.9}
    .section-intro{max-width:720px;color:#59625c}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}
    .section-head h2{margin:8px 0 0}
    .btn{
      border-radius:999px;padding:12px 21px;font-weight:800;font-size:15px;
      letter-spacing:.02em;transition:var(--transition);border:1px solid transparent;
      display:inline-flex;align-items:center;justify-content:center;gap:9px
    }
    .btn-main{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(67,139,104,.22)}
    .btn-main:hover{background:var(--green-dark);color:#fff;transform:translateY(-2px)}
    .btn-outline{border-color:#aeb8b0;color:var(--ink);background:transparent}
    .btn-outline:hover{border-color:var(--green);color:var(--green-dark);background:var(--green-pale)}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:#303833;color:#fff;transform:translateY(-2px)}
    .btn:focus,.nav-link:focus,.form-control:focus,.form-select:focus,.accordion-button:focus{
      outline:none;box-shadow:0 0 0 4px rgba(67,139,104,.22)
    }
    .btn:active{transform:translateY(1px) scale(.98)}
    .badge-soft,.tag{
      display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;
      background:var(--green-pale);color:var(--green-dark);font-weight:800;font-size:12px
    }
    .tag-dark{background:rgba(255,255,255,.12);color:#d7eee0;border:1px solid rgba(255,255,255,.16)}
    .site-header{
      position:sticky;top:0;z-index:1030;background:rgba(250,248,243,.94);
      backdrop-filter:blur(14px);border-bottom:1px solid rgba(23,27,25,.08)
    }
    .navbar{min-height:76px;padding:10px 0}
    .brand-mark{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;white-space:nowrap}
    .brand-orbit{width:31px;height:31px;position:relative;border:2px solid var(--green);border-radius:50%}
    .brand-orbit:before{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--copper);right:-4px;top:1px}
    .brand-orbit:after{content:"";position:absolute;width:18px;height:2px;background:var(--green);transform:rotate(-35deg);left:5px;top:14px}
    .nav-link{font-size:14px;font-weight:700;color:#465049!important;padding:8px 10px!important;position:relative;white-space:nowrap}
    .nav-link:hover{color:var(--green-dark)!important}
    .nav-link.active{color:var(--green-dark)!important}
    .nav-link.active:after{content:"";height:3px;border-radius:5px;background:var(--green);position:absolute;left:10px;right:10px;bottom:1px}
    .nav-cta{padding:10px 16px;font-size:14px}
    .navbar-toggler{border:1px solid var(--line);border-radius:10px;padding:8px 10px}
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(67,139,104,.18)}
    .mega-wrap{position:relative}
    .mega-toggle:after{display:none}
    .mega-panel{
      width:640px;padding:21px;left:auto;right:0;top:50px;border:1px solid var(--line);
      border-radius:18px;background:#fffefb;box-shadow:var(--shadow);margin:0
    }
    .mega-panel.show{display:block}
    .mega-title{font-size:12px;color:var(--muted);font-weight:800;letter-spacing:.1em;margin-bottom:10px}
    .mega-link{display:block;padding:7px 0;font-weight:700;font-size:14px}
    .mega-link:hover{color:var(--green-dark);padding-left:4px}
    .mega-feature{border-radius:14px;padding:16px;background:var(--ink);color:#fff;height:100%}
    .mega-feature h4{color:#fff;font-size:17px}
    .offcanvas{background:var(--paper)}
    .offcanvas-header{border-bottom:1px solid var(--line)}
    .mobile-nav-link{display:block;padding:14px 0;border-bottom:1px solid var(--line);font-weight:800}
    .page-hero{
      position:relative;overflow:hidden;color:#fff;
      padding:78px 0 48px;
      background:var(--ink) url('/assets/images/backpic/back-3.webp') center/cover no-repeat
    }
    .page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,23,20,.94),rgba(18,23,20,.68))}
    .page-hero:after{
      content:"";position:absolute;inset:0;opacity:.2;pointer-events:none;
      background-image:radial-gradient(circle at 14% 25%,#fff 0 1px,transparent 1.7px),linear-gradient(115deg,transparent 48%,rgba(142,205,168,.28) 49%,transparent 50%);
      background-size:95px 88px,280px 280px
    }
    .page-hero .site-container{position:relative;z-index:1}
    .crumbs{font-size:13px;color:#cdd8d0;margin-bottom:30px}
    .crumbs a:hover{color:#a9d9b8}
    .profile-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:end}
    .profile-copy h1{color:#fff;max-width:650px;margin:14px 0 22px}
    .profile-copy .lead{color:#dfe8e1;max-width:650px}
    .profile-meta{display:flex;align-items:center;gap:16px;margin:28px 0 25px}
    .profile-avatar{width:62px;height:62px;border-radius:50%;border:2px solid #92c8a5;padding:5px;background:rgba(255,255,255,.08)}
    .profile-avatar span{display:flex;width:100%;height:100%;border-radius:50%;align-items:center;justify-content:center;background:var(--green);font-weight:900;font-size:21px}
    .profile-meta strong{display:block;color:#fff;font-size:18px}
    .profile-meta small{color:#afc2b4}
    .stats-panel{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.18);border-radius:var(--r-lg);overflow:hidden}
    .stat{background:rgba(20,27,23,.75);padding:22px 16px;min-height:116px}
    .stat b{display:block;font:900 30px/1.2 Georgia,serif;color:#b7dfc3}
    .stat span{display:block;color:#cbd8ce;font-size:13px;margin-top:8px}
    .hero-anchor{display:flex;gap:18px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.16);padding-top:21px;margin-top:40px}
    .hero-anchor a{font-size:13px;color:#dce6df;font-weight:700}
    .hero-anchor a:hover{color:#9edab2}
    .index-strip{display:flex;gap:10px;overflow:auto;padding:14px 0 5px;white-space:nowrap}
    .index-strip a{border:1px solid var(--line);padding:8px 14px;border-radius:999px;font-size:13px;font-weight:800;background:var(--white)}
    .index-strip a:hover,.index-strip a.active{background:var(--green-pale);border-color:#9fc7ad;color:var(--green-dark)}
    .archive-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:52px}
    .year-nav{position:sticky;top:104px;align-self:start;border-left:2px solid var(--line);padding-left:22px}
    .year-nav a{display:block;padding:8px 0;color:var(--muted);font-weight:800}
    .year-nav a:first-child,.year-nav a:hover{color:var(--green-dark)}
    .year-nav a:first-child:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);margin:0 10px 2px -27px}
    .update-list{border-top:1px solid var(--line)}
    .update-item{display:grid;grid-template-columns:105px 1fr 112px;gap:24px;align-items:start;padding:27px 0;border-bottom:1px solid var(--line)}
    .update-date{font:700 14px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--copper)}
    .update-item h3{margin:7px 0 8px;font-size:21px}
    .update-item p{color:var(--muted);margin-bottom:0;max-width:650px}
    .read-link{color:var(--green-dark);font-size:13px;font-weight:900;white-space:nowrap;padding-top:31px}
    .read-link:hover{padding-left:5px}
    .feature-story{background:var(--ink);color:#fff;border-radius:var(--r-lg);overflow:hidden;display:grid;grid-template-columns:.92fr 1.08fr;box-shadow:var(--shadow-dark)}
    .feature-story img{width:100%;height:100%;min-height:400px;object-fit:cover}
    .feature-story .story-copy{padding:42px}
    .story-copy .eyebrow{color:#b9ddc4}
    .story-copy .eyebrow:before{background:#82bd96}
    .story-copy h2{margin:12px 0 18px;color:#fff}
    .story-copy p{color:#d4ddd6}
    .quote-block{border-left:3px solid var(--green);padding:8px 0 8px 20px;color:#e5eee7;font-size:18px;margin:25px 0}
    .observation{background:var(--sand);border-radius:var(--r-lg);padding:45px 52px}
    .observation-grid{display:grid;grid-template-columns:1fr 1.35fr;gap:60px}
    .observation h2{margin-bottom:16px}
    .observation p{color:#566159}
    .observation-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px 28px}
    .observation-list div{border-top:2px solid var(--green);padding-top:12px}
    .observation-list strong{display:block;margin-bottom:5px}
    .observation-list span{font-size:14px;color:var(--muted)}
    .timeline{position:relative;padding-left:30px}
    .timeline:before{content:"";position:absolute;left:7px;top:5px;bottom:5px;width:2px;background:#b6c9bb}
    .timeline-entry{position:relative;padding:0 0 27px 26px}
    .timeline-entry:before{content:"";position:absolute;left:-29px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--green);border:3px solid var(--green-pale)}
    .timeline-entry:last-child{padding-bottom:0}
    .timeline-entry time{font:700 13px/1.4 ui-monospace,monospace;color:var(--copper)}
    .timeline-entry h3{margin:5px 0 5px}
    .timeline-entry p{color:var(--muted);margin-bottom:0}
    .archive-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);padding:23px;height:100%;transition:var(--transition)}
    .archive-card:hover{transform:translateY(-5px);border-color:#9dc6aa;box-shadow:var(--shadow)}
    .archive-card img{height:170px;width:100%;object-fit:cover;border-radius:13px;margin:-2px 0 19px}
    .archive-card h3{font-size:19px;margin:11px 0 8px}
    .archive-card p{font-size:14px;color:var(--muted);margin-bottom:18px}
    .archive-card .card-foot{display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:800;color:var(--green-dark)}
    .principles{background:#eef1eb}
    .principle-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:28px}
    .principle-main,.principle-side{border-radius:var(--r-lg);padding:35px}
    .principle-main{background:var(--white);border:1px solid var(--line)}
    .principle-side{background:var(--green);color:#fff}
    .principle-side h3{color:#fff}
    .principle-side p{color:#e4f0e7}
    .principle-main p{color:#566159}
    .principle-main ul{padding-left:20px;margin-bottom:0;color:#4d5951}
    .principle-main li{margin:8px 0}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}
    .faq-intro h2{margin:10px 0 17px}
    .faq-intro p{color:var(--muted)}
    .accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;overflow:hidden;margin-bottom:12px;background:var(--white)}
    .accordion-button{font-weight:800;color:var(--ink);background:var(--white);padding:18px 20px}
    .accordion-button:not(.collapsed){color:var(--green-dark);background:var(--green-pale);box-shadow:none}
    .accordion-button:after{background-size:14px}
    .accordion-body{color:var(--muted);padding:0 20px 20px}
    .contact-box{background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:44px;display:grid;grid-template-columns:.85fr 1.15fr;gap:54px}
    .contact-box h2{color:#fff;margin:10px 0 17px}
    .contact-box p{color:#d3ded6}
    .form-label{font-size:13px;font-weight:800;color:#dce8df;margin-bottom:7px}
    .form-control,.form-select{border:1px solid #59675e;border-radius:10px;background:#222b25;color:#fff;padding:11px 13px}
    .form-control::placeholder{color:#9eaaa1}
    .form-control:focus,.form-select:focus{background:#222b25;color:#fff;border-color:#8ec5a0}
    .form-note{font-size:12px;color:#aab9ae;margin-top:9px}
    .footer{background:var(--ink);color:#dce5de;padding:62px 0 24px}
    .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:22px;font-weight:900;margin-bottom:15px}
    .footer p{color:#aebbb1;font-size:14px;max-width:350px}
    .footer h4{color:#fff;font-size:15px;margin-bottom:15px}
    .footer a{display:block;color:#b8c5bb;font-size:14px;margin:7px 0}
    .footer a:hover{color:#9dd3ad}
    .footer .btn-main{display:inline-flex;color:#fff;margin-top:4px}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.13);margin-top:42px;padding-top:19px;font-size:12px;color:#9eaaa1}
    .footer-bottom a{display:inline;color:#b8c5bb;margin:0}
    .fixed-cta{position:fixed;z-index:1020;bottom:0;left:0;right:0;background:rgba(23,27,25,.96);border-top:1px solid rgba(160,210,175,.28);color:#fff;padding:13px 0;box-shadow:0 -8px 25px rgba(0,0,0,.16)}
    .fixed-inner{display:flex;justify-content:space-between;align-items:center;gap:20px}
    .fixed-inner strong{font-size:15px}
    .fixed-inner span{color:#bdc9bf;font-size:13px;margin-left:12px}
    .fixed-close{background:transparent;color:#aebbb1;font-size:20px;line-height:1;padding:4px 8px}
    .fixed-close:hover{color:#fff}
    @media (max-width:1199px){
      .profile-hero{gap:40px}
      .archive-layout{gap:32px}
      .site-container{padding:0 20px}
    }
    @media (max-width:991px){
      .profile-hero,.feature-story,.observation-grid,.principle-grid,.faq-layout,.contact-box{grid-template-columns:1fr}
      .profile-hero{gap:30px}
      .stats-panel{max-width:650px}
      .archive-layout{grid-template-columns:1fr}
      .year-nav{position:static;display:flex;gap:24px;border-left:0;border-bottom:1px solid var(--line);padding:0 0 12px;overflow:auto;white-space:nowrap}
      .year-nav a{padding:0}
      .year-nav a:first-child:before{display:none}
      .feature-story img{min-height:300px;max-height:420px}
      .observation-grid{gap:30px}
      .contact-box{gap:28px}
    }
    @media (max-width:767px){
      body{padding-bottom:126px;font-size:15px}
      .section{padding:62px 0}
      .section-tight{padding:42px 0}
      .section-head{display:block;margin-bottom:25px}
      .section-head .btn{margin-top:18px}
      .page-hero{padding:56px 0 34px}
      .profile-copy h1{font-size:2.25rem}
      .profile-meta{margin:22px 0}
      .hero-anchor{gap:12px;margin-top:28px}
      .update-item{grid-template-columns:78px 1fr;gap:13px;padding:22px 0}
      .read-link{grid-column:2;padding-top:0}
      .update-item h3{font-size:18px}
      .update-item p{font-size:14px}
      .observation{padding:30px 24px}
      .observation-list{grid-template-columns:1fr;gap:17px}
      .principle-main,.principle-side{padding:27px 23px}
      .contact-box{padding:30px 23px}
      .fixed-inner{align-items:flex-start}
      .fixed-inner span{display:block;margin:3px 0 0;font-size:12px}
      .fixed-inner .btn{padding:10px 15px;white-space:nowrap}
    }
    @media (max-width:575px){
      .site-container{padding:0 16px}
      h2{font-size:1.75rem}
      .stats-panel{grid-template-columns:1fr}
      .stat{min-height:auto;padding:15px 18px}
      .stat b{font-size:24px;display:inline;margin-right:9px}
      .stat span{display:inline}
      .feature-story .story-copy{padding:29px 23px}
      .archive-card img{height:155px}
      .footer{padding-top:45px}
      .footer-bottom{display:block}
      .footer-bottom>div{margin-bottom:8px}
      .fixed-cta{padding:11px 0}
      .fixed-close{display:none}
    }
    @media (prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
    }