/* roulang page: index */
:root{
      --plum:#65506f;
      --plum-deep:#44364d;
      --plum-soft:#eee8f1;
      --apricot:#d88b54;
      --apricot-soft:#f8e6d6;
      --paper:#f6f2eb;
      --paper-deep:#ebe4da;
      --ink:#29252b;
      --muted:#756e76;
      --line:#d9d0d5;
      --teal:#4e8b7f;
      --brick:#a65d56;
      --shadow:0 16px 42px rgba(66,51,64,.09);
      --radius:16px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--paper);color:var(--ink);
      font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
      line-height:1.7;
      background-image:radial-gradient(rgba(101,80,111,.045) .7px,transparent .7px);
      background-size:11px 11px;
    }
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(216,139,84,.7);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:40;background:rgba(246,242,235,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .nav-shell{height:76px;display:flex;align-items:center;gap:24px}
    .logo{display:flex;align-items:center;gap:10px;min-width:244px;font-weight:800;letter-spacing:-.04em;color:var(--plum-deep)}
    .logo-mark{width:31px;height:31px;display:grid;place-items:center;background:var(--plum);color:#fff;border-radius:9px;font-size:13px;box-shadow:4px 4px 0 var(--apricot)}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-link{padding:9px 13px;border-radius:9px;color:#625b63;font-size:14px;transition:.2s}
    .nav-link:hover,.nav-link.active{background:var(--plum-soft);color:var(--plum-deep)}
    .nav-link.active{font-weight:700;box-shadow:inset 0 -2px var(--plum)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .command-search{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fbf9f5;border-radius:10px;padding:8px 11px;color:var(--muted)}
    .command-search input{border:0;outline:0;background:transparent;width:132px;font-size:13px;color:var(--ink)}
    .keycap{font-size:11px;border:1px solid var(--line);border-radius:5px;padding:0 5px;color:#8c838b}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:11px 17px;font-size:14px;font-weight:700;transition:.2s}
    .btn:hover{transform:translateY(-1px)}
    .btn-primary{background:var(--plum);color:#fff;box-shadow:0 7px 16px rgba(101,80,111,.2)}
    .btn-primary:hover{background:var(--plum-deep)}
    .btn-secondary{border-color:var(--plum);color:var(--plum-deep);background:transparent}
    .btn-secondary:hover{background:var(--plum-soft)}
    .mobile-toggle{display:none;background:none;border:0;color:var(--plum-deep);font-size:24px}
    .hero{padding:76px 0 54px}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:66px;align-items:center}
    .eyebrow,.section-kicker{display:flex;align-items:center;gap:10px;color:var(--apricot);font-size:12px;letter-spacing:.14em;font-weight:800;text-transform:uppercase}
    .eyebrow:before,.section-kicker:before{content:"";width:28px;height:2px;background:var(--apricot)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(42px,5.2vw,72px);line-height:1.1;letter-spacing:-.065em;margin:18px 0 22px;color:var(--plum-deep)}
    .hero-copy{max-width:590px;color:var(--muted);font-size:17px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .hero-note{display:flex;gap:18px;flex-wrap:wrap;margin-top:26px;color:var(--muted);font-size:12px}
    .hero-note span{display:flex;align-items:center;gap:6px}
    .dot{width:7px;height:7px;border-radius:50%;background:var(--teal)}
    .board{background:var(--plum-deep);border-radius:14px;padding:24px;color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .board:after{content:"";position:absolute;right:-45px;bottom:-65px;width:190px;height:190px;border:1px solid rgba(248,230,214,.2);border-radius:50%;box-shadow:0 0 0 24px rgba(248,230,214,.05),0 0 0 48px rgba(248,230,214,.04)}
    .board-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.16);padding-bottom:18px;margin-bottom:18px}
    .board-title{font-size:15px;font-weight:700}.board-status{color:#f6c49d;font-size:12px}
    .metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .metric{border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.055);padding:17px;border-radius:8px;min-height:108px}
    .metric.wide{grid-column:span 2;background:rgba(216,139,84,.13)}
    .metric-num{font:700 31px/1.1 ui-monospace,SFMono-Regular,monospace;color:#f7c79e}
    .metric-label{font-size:12px;color:#e5dce5;margin-top:8px}.metric small{display:block;color:#b9aeb9;font-size:11px;margin-top:4px}
    .section{padding:92px 0}
    .section-head{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:35px}
    .section-head h2{font-size:clamp(28px,3.5vw,44px);line-height:1.2;letter-spacing:-.05em;color:var(--plum-deep);margin:12px 0 0}
    .section-head p{max-width:490px;color:var(--muted);margin-bottom:3px}
    .matrix{display:grid;grid-template-columns:1.25fr .75fr;gap:16px}
    .matrix-side{display:grid;gap:16px}
    .feature-card,.index-card{border:1px solid var(--line);background:rgba(255,253,249,.76);border-radius:var(--radius);padding:28px;position:relative;transition:.25s}
    .feature-card:hover,.index-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#b9aabb}
    .feature-card{min-height:310px;background:linear-gradient(135deg,#f0e8f2 0%,#fffaf4 70%)}
    .card-index{font:700 12px ui-monospace,monospace;color:var(--apricot);letter-spacing:.1em}
    .feature-card h3,.index-card h3{font-size:23px;color:var(--plum-deep);margin:22px 0 10px}
    .feature-card p,.index-card p{color:var(--muted);font-size:14px}
    .tags{display:flex;gap:7px;flex-wrap:wrap;margin:20px 0}
    .tag{font-size:11px;padding:4px 9px;border-radius:99px;background:var(--plum-soft);color:var(--plum)}
    .tag.orange{background:var(--apricot-soft);color:#9b5c32}
    .card-arrow{position:absolute;right:25px;bottom:25px;color:var(--plum);font-weight:700;font-size:13px}
    .index-card{min-height:147px;padding:22px}.index-card h3{font-size:18px;margin:9px 0 5px}.index-card p{margin:0;font-size:13px}
    .comparison{background:var(--plum-deep);color:#fff;padding:54px;border-radius:18px;display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:center}
    .comparison h2{font-size:38px;line-height:1.25;letter-spacing:-.05em;margin:14px 0;color:#fff}
    .comparison p{color:#d9cedb;font-size:14px}
    .compare-list{display:grid;gap:22px}
    .compare-row{display:grid;grid-template-columns:100px 1fr 56px;gap:16px;align-items:center;font-size:13px}
    .compare-row .label{color:#e4d9e5}.bar{height:8px;background:rgba(255,255,255,.14);border-radius:99px;overflow:hidden}.bar i{display:block;height:100%;background:var(--apricot);border-radius:99px}.compare-row b{font:700 12px ui-monospace,monospace;color:#f4bd91}
    .faq-wrap{display:grid;grid-template-columns:.36fr .64fr;gap:70px}
    .chapter{color:var(--plum);font:700 12px ui-monospace,monospace;letter-spacing:.1em}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-q{width:100%;display:flex;justify-content:space-between;gap:20px;text-align:left;background:none;border:0;padding:22px 4px;color:var(--plum-deep);font-size:16px;font-weight:700}
    .faq-q span:last-child{color:var(--apricot);font-size:22px;line-height:1}.faq-a{display:none;color:var(--muted);font-size:14px;padding:0 36px 22px 4px}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q{color:var(--plum)}
    .form-section{background:var(--paper-deep);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .form-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}
    .form-grid h2{font-size:39px;line-height:1.25;color:var(--plum-deep);letter-spacing:-.05em;margin:14px 0}
    .form-grid p{color:var(--muted);font-size:14px}
    .form-label{display:block;color:var(--plum-deep);font-weight:700;font-size:13px;margin-bottom:7px}
    .field{width:100%;background:#fffdf9;border:1px solid var(--line);border-radius:9px;padding:12px 13px;color:var(--ink);transition:.2s}
    .field:focus{border-color:var(--plum);box-shadow:0 0 0 3px var(--plum-soft);outline:0}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field-group{margin-bottom:17px}
    .form-message{display:none;margin-top:14px;padding:11px 13px;border-radius:8px;font-size:13px}.form-message.success{display:block;background:#e2f0eb;color:#28675c}.form-message.error{display:block;background:#f6e4e1;color:#8d4842}
    .footer{background:#302833;color:#eee5ef;padding:56px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr .6fr .6fr;gap:50px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.14)}.footer .logo{color:#fff}.footer p{color:#b9adb9;max-width:370px;font-size:13px}.footer h3{font-size:13px;color:#f6c49d;margin-bottom:15px}.footer a{display:block;color:#cfc3d0;font-size:13px;margin:8px 0;transition:.2s}.footer a:hover{color:#fff}.copyright{display:flex;justify-content:space-between;color:#978b99;font-size:12px;padding-top:20px}
    @media(max-width:1023px){.logo{min-width:auto}.nav-links{gap:0}.nav-link{padding:8px}.command-search input{width:90px}.hero-grid,.form-grid{gap:32px}.comparison{gap:35px}}
    @media(max-width:767px){
      .container{width:min(100% - 28px,var(--container))}.nav-shell{height:65px}.mobile-toggle{display:block;margin-left:auto}.nav-actions{display:none}.nav-links{display:none;position:absolute;top:65px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 14px;flex-direction:column;align-items:stretch;box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-link{padding:12px}.hero{padding:50px 0 35px}.hero-grid{grid-template-columns:1fr;gap:35px}h1{font-size:43px}.hero-copy{font-size:15px}.section{padding:64px 0}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:15px}.matrix{grid-template-columns:1fr}.feature-card{min-height:270px}.comparison{grid-template-columns:1fr;padding:31px 22px;gap:27px}.comparison h2{font-size:31px}.compare-row{grid-template-columns:86px 1fr 42px;gap:9px;font-size:12px}.faq-wrap,.form-grid{grid-template-columns:1fr;gap:28px}.form-grid h2{font-size:32px}.form-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:span 2}.copyright{display:block}.copyright span{display:block;margin-top:7px}}

/* roulang page: category2 */
:root{
      --plum:#65506f;--plum-deep:#44364d;--plum-soft:#eee8f1;
      --apricot:#d88b54;--apricot-soft:#f8e6d6;--paper:#f6f2eb;
      --paper-deep:#ebe4da;--ink:#29252b;--muted:#756e76;--line:#d9d0d5;
      --teal:#4e8b7f;--brick:#a65d56;--shadow:0 16px 42px rgba(66,51,64,.09);
      --radius:16px;--container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7;background-image:radial-gradient(rgba(101,80,111,.045) .7px,transparent .7px);background-size:11px 11px}
    a{text-decoration:none;color:inherit} button,input,select,textarea{font:inherit} button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:40;background:rgba(246,242,235,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .nav-shell{height:76px;display:flex;align-items:center;gap:24px}
    .logo{display:flex;align-items:center;gap:10px;min-width:244px;font-weight:800;letter-spacing:-.04em;color:var(--plum-deep)}
    .logo-mark{width:31px;height:31px;display:grid;place-items:center;background:var(--plum);color:#fff;border-radius:9px;font-size:13px;box-shadow:4px 4px 0 var(--apricot)}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-link{padding:9px 13px;border-radius:9px;color:#625b63;font-size:14px;transition:.2s}
    .nav-link:hover,.nav-link.active{background:var(--plum-soft);color:var(--plum-deep)}
    .nav-link.active{font-weight:700;box-shadow:inset 0 -2px var(--plum)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .command-search{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fbf9f5;border-radius:10px;padding:8px 11px;color:var(--muted)}
    .command-search input{border:0;outline:0;background:transparent;width:132px;font-size:13px;color:var(--ink)}
    .command-search:focus-within{border-color:var(--plum);box-shadow:0 0 0 3px var(--plum-soft)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:11px 17px;font-size:14px;font-weight:700;transition:.2s}
    .btn:hover{transform:translateY(-1px)} .btn:focus-visible,.nav-link:focus-visible{outline:3px solid rgba(216,139,84,.5);outline-offset:2px}
    .btn-primary{background:var(--plum);color:#fff;box-shadow:0 7px 16px rgba(101,80,111,.2)}
    .btn-primary:hover{background:var(--plum-deep)}
    .btn-secondary{border-color:var(--plum);color:var(--plum-deep);background:transparent}
    .btn-secondary:hover{background:var(--plum-soft)}
    .mobile-toggle{display:none;background:none;border:0;color:var(--plum-deep);font-size:24px}
    .hero{padding:76px 0 48px}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:end}
    .eyebrow,.section-kicker{display:flex;align-items:center;gap:10px;color:var(--apricot);font-size:12px;letter-spacing:.14em;font-weight:800}
    .eyebrow:before,.section-kicker:before{content:"";width:28px;height:2px;background:var(--apricot)}
    h1{font-size:clamp(38px,6vw,72px);line-height:1.14;letter-spacing:-.065em;color:var(--plum-deep);margin:18px 0}
    .hero-copy{max-width:620px;color:var(--muted);font-size:17px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .creator-panel{border:1px solid var(--line);background:#fffaf4;border-radius:18px;padding:24px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .creator-panel:after{content:"";position:absolute;width:180px;height:180px;border:1px solid rgba(101,80,111,.18);border-radius:50%;right:-75px;top:-70px}
    .profile-row{display:flex;align-items:center;gap:15px;border-bottom:1px solid var(--line);padding-bottom:20px}
    .avatar{width:58px;height:58px;border-radius:15px;background:var(--plum);color:#fff;display:grid;place-items:center;font-size:25px;font-weight:800;box-shadow:6px 6px 0 var(--apricot)}
    .profile-row h2{font-size:19px;color:var(--plum-deep);margin:0}.profile-row p{font-size:12px;color:var(--muted);margin:2px 0}
    .follow{margin-left:auto;border:1px solid var(--plum);background:var(--plum-soft);color:var(--plum-deep);border-radius:8px;padding:7px 11px;font-size:12px;font-weight:700}
    .badge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:20px}
    .badge{padding:13px 10px;background:var(--paper);border-radius:10px;border:1px solid var(--line)} .badge b{display:block;font:700 22px ui-monospace,monospace;color:var(--plum-deep)} .badge span{font-size:11px;color:var(--muted)}
    .index-bar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0;overflow:auto;white-space:nowrap}
    .index-bar-inner{display:flex;gap:9px;align-items:center}.index-label{font-size:12px;color:var(--muted);margin-right:8px}
    .index-pill{border:1px solid var(--line);border-radius:99px;padding:7px 15px;background:#fffaf4;color:var(--plum-deep);font-size:13px;transition:.2s}
    .index-pill:hover,.index-pill.current{background:var(--plum);border-color:var(--plum);color:#fff}
    .section{padding:76px 0}.section-head{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:32px}
    .section-head h2{font-size:clamp(28px,3.5vw,44px);line-height:1.2;letter-spacing:-.05em;color:var(--plum-deep);margin:12px 0 0}
    .section-head p{max-width:490px;color:var(--muted);margin-bottom:3px}
    .topic-layout{display:grid;grid-template-columns:1.5fr .75fr;gap:22px;align-items:start}
    .topic-feature{min-height:345px;border:1px solid #cfc0d2;border-radius:18px;padding:32px;background:linear-gradient(135deg,#eae1ee 0%,#fffaf4 72%);position:relative;overflow:hidden}
    .topic-feature:before{content:"05 / INDEX";position:absolute;right:28px;top:25px;color:var(--apricot);font:700 11px ui-monospace,monospace;letter-spacing:.12em}
    .topic-feature h3{max-width:570px;font-size:32px;line-height:1.3;color:var(--plum-deep);margin:42px 0 12px}
    .topic-feature p{max-width:540px;color:var(--muted);font-size:15px}.topic-feature .btn{margin-top:22px}
    .topic-feature .line-art{position:absolute;right:34px;bottom:28px;width:190px;height:72px;border-bottom:2px solid var(--apricot);border-left:2px solid var(--plum);transform:skew(-25deg);opacity:.6}
    .side-list{border-top:1px solid var(--line)} .side-item{display:block;border-bottom:1px solid var(--line);padding:18px 4px;transition:.2s}.side-item:hover{padding-left:10px;background:rgba(238,232,241,.5)}
    .side-meta{display:flex;justify-content:space-between;color:var(--apricot);font:700 11px ui-monospace,monospace}.side-item h3{font-size:16px;color:var(--plum-deep);margin:7px 0 3px}.side-item p{font-size:12px;color:var(--muted);margin:0}
    .flow{position:relative;margin-top:35px;padding-left:32px;border-left:2px solid #cfc0d2}.flow-item{position:relative;padding:0 0 30px 25px}.flow-item:before{content:"";position:absolute;left:-40px;top:8px;width:14px;height:14px;border-radius:50%;background:var(--paper);border:3px solid var(--plum)}
    .flow-date{font:700 11px ui-monospace,monospace;color:var(--apricot)}.flow-item h3{margin:5px 0;color:var(--plum-deep);font-size:20px}.flow-item p{margin:0;color:var(--muted);font-size:14px;max-width:690px}
    .tag{display:inline-block;font-size:11px;padding:4px 9px;border-radius:99px;background:var(--plum-soft);color:var(--plum);margin:10px 5px 0 0}.tag.orange{background:var(--apricot-soft);color:#9b5c32}
    .note-band{background:var(--plum-deep);color:#fff;border-radius:16px;padding:22px 26px;display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:30px}.note-band p{margin:0;color:#e9dfea;font-size:14px}.note-band .btn-secondary{border-color:#d9bedc;color:#fff}
    .form-section{background:var(--paper-deep);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.form-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.form-grid h2{font-size:39px;line-height:1.25;color:var(--plum-deep);letter-spacing:-.05em;margin:14px 0}.form-grid p{color:var(--muted);font-size:14px}
    .form-label{display:block;color:var(--plum-deep);font-weight:700;font-size:13px;margin-bottom:7px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .field{width:100%;border:1px solid var(--line);background:#fffaf4;border-radius:9px;padding:11px 12px;color:var(--ink);outline:none}.field:focus{border-color:var(--plum);box-shadow:0 0 0 3px var(--plum-soft)}
    .footer{background:#302833;color:#eee5ef;padding:56px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr .6fr .6fr;gap:50px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.14)}.footer .logo{color:#fff}.footer p{color:#c8bdca;font-size:13px}.footer h3{font-size:13px;color:#fff;margin:0 0 14px}.footer-grid>div>a:not(.logo){display:block;color:#c8bdca;font-size:13px;margin:8px 0;transition:.2s}.footer-grid>div>a:hover{color:#fff}.copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#a99eaa;font-size:12px}
    .success{display:none;color:var(--teal);font-size:13px;margin-top:12px}.error{display:none;color:var(--brick);font-size:13px;margin-top:12px}
    @media(max-width:1023px){.nav-shell{gap:14px}.logo{min-width:210px}.command-search input{width:90px}.topic-layout{grid-template-columns:1fr}.hero-grid{gap:35px}.form-grid{gap:35px}}
    @media(max-width:767px){.container{width:min(100% - 28px,var(--container))}.nav-shell{height:68px}.mobile-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;left:14px;right:14px;top:74px;background:var(--paper);border:1px solid var(--line);padding:10px;border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-actions{display:none}.logo{min-width:0;font-size:14px}.hero{padding:49px 0 35px}.hero-grid{grid-template-columns:1fr}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}h1{font-size:42px}.badge-grid{grid-template-columns:repeat(3,145px);overflow:auto;padding-bottom:4px}.creator-panel{padding:18px}.index-bar-inner{width:max-content}.section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:15px}.topic-feature{min-height:390px;padding:24px}.topic-feature h3{font-size:25px;margin-top:48px;max-width:90%}.topic-feature .line-art{right:15px;bottom:24px;width:140px}.note-band{display:block;padding:20px}.note-band .btn{margin-top:15px}.form-grid{grid-template-columns:1fr;gap:28px}.form-grid h2{font-size:31px}.form-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}.copyright{display:block}.copyright span{display:block;margin-top:5px}}

/* roulang page: category1 */
:root{
 --plum:#65506f;--plum-deep:#44364d;--plum-soft:#eee8f1;
 --apricot:#d88b54;--apricot-soft:#f8e6d6;--paper:#f6f2eb;
 --paper-deep:#ebe4da;--ink:#29252b;--muted:#756e76;--line:#d9d0d5;
 --teal:#4e8b7f;--brick:#a65d56;--shadow:0 16px 42px rgba(66,51,64,.09);
 --radius:16px;--container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7;background-image:radial-gradient(rgba(101,80,111,.045) .7px,transparent .7px);background-size:11px 11px}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:40;background:rgba(246,242,235,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.nav-shell{height:76px;display:flex;align-items:center;gap:24px}
.logo{display:flex;align-items:center;gap:10px;min-width:244px;font-weight:800;letter-spacing:-.04em;color:var(--plum-deep)}
.logo-mark{width:31px;height:31px;display:grid;place-items:center;background:var(--plum);color:#fff;border-radius:9px;font-size:13px;box-shadow:4px 4px 0 var(--apricot)}
.nav-links{display:flex;align-items:center;gap:4px;flex:1}
.nav-link{padding:9px 13px;border-radius:9px;color:#625b63;font-size:14px;transition:.2s}
.nav-link:hover,.nav-link.active{background:var(--plum-soft);color:var(--plum-deep)}
.nav-link.active{font-weight:700;box-shadow:inset 0 -2px var(--plum)}
.nav-actions{display:flex;align-items:center;gap:10px}
.command-search{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fbf9f5;border-radius:10px;padding:8px 11px;color:var(--muted)}
.command-search input{border:0;outline:0;background:transparent;width:132px;font-size:13px;color:var(--ink)}
.command-search:focus-within{border-color:var(--plum);box-shadow:0 0 0 3px var(--plum-soft)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:11px 17px;font-size:14px;font-weight:700;transition:.2s}
.btn:hover{transform:translateY(-1px)}
.btn:focus-visible,.filter-control:focus-visible,.faq-q:focus-visible,.mobile-toggle:focus-visible{outline:3px solid rgba(216,139,84,.45);outline-offset:3px}
.btn-primary{background:var(--plum);color:#fff;box-shadow:0 7px 16px rgba(101,80,111,.2)}
.btn-primary:hover{background:var(--plum-deep)}
.btn-secondary{border-color:var(--plum);color:var(--plum-deep);background:transparent}
.btn-secondary:hover{background:var(--plum-soft)}
.mobile-toggle{display:none;background:none;border:0;color:var(--plum-deep);font-size:24px}
.page-hero{padding:76px 0 42px}
.hero-layout{display:grid;grid-template-columns:1fr .78fr;gap:72px;align-items:end}
.eyebrow,.section-kicker{display:flex;align-items:center;gap:10px;color:var(--apricot);font-size:12px;letter-spacing:.14em;font-weight:800}
.eyebrow:before,.section-kicker:before{content:"";width:28px;height:2px;background:var(--apricot)}
h1{font-size:clamp(40px,6vw,72px);line-height:1.12;letter-spacing:-.07em;color:var(--plum-deep);margin:17px 0 20px}
.hero-text{max-width:650px;color:var(--muted);font-size:17px;line-height:1.9}
.hero-stamp{border-left:3px solid var(--apricot);padding:18px 22px;background:rgba(255,253,249,.65);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.hero-stamp strong{display:block;color:var(--plum-deep);font-size:24px;line-height:1.3}
.hero-stamp span{font-size:13px;color:var(--muted)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:42px}
.stat{background:var(--plum-deep);color:#fff;padding:21px 22px;border:1px solid #5d4a65;border-radius:9px;position:relative;overflow:hidden}
.stat:after{content:"";position:absolute;right:-18px;top:-18px;width:54px;height:54px;border:1px solid rgba(216,139,84,.6);transform:rotate(45deg)}
.stat b{display:block;font:700 28px ui-monospace,monospace;color:#f4bd91}
.stat span{font-size:12px;color:#e7dce8}
.toolbar-section{padding:25px 0 34px}
.toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:15px;background:var(--paper-deep);border:1px solid var(--line);border-radius:12px}
.filter-control{border:1px solid var(--line);background:#fffdfa;color:var(--ink);border-radius:8px;padding:10px 12px;min-height:42px}
.filter-control.search-wide{flex:1;min-width:230px}
.filter-control:focus{border-color:var(--plum);outline:none}
.clear-filter{border:0;background:transparent;color:var(--plum);font-weight:700;padding:9px 12px}
.content-section{padding:34px 0 96px}
.section-head{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:28px}
.section-head h2{font-size:clamp(28px,3.5vw,44px);line-height:1.2;letter-spacing:-.05em;color:var(--plum-deep);margin:12px 0 0}
.section-head p{max-width:490px;color:var(--muted);margin-bottom:3px}
.index-list{border-top:1px solid var(--line)}
.index-item{display:grid;grid-template-columns:120px 1fr 120px;gap:26px;align-items:start;padding:27px 8px;border-bottom:1px solid var(--line);transition:.22s}
.index-item:hover{background:rgba(238,232,241,.42);padding-left:16px;padding-right:16px}
.item-number{font:700 13px ui-monospace,monospace;color:var(--apricot);letter-spacing:.08em}
.item-date{display:block;margin-top:7px;color:var(--muted);font-size:12px}
.item-title{margin:0 0 7px;font-size:21px;color:var(--plum-deep);letter-spacing:-.03em}
.item-desc{margin:0;color:var(--muted);font-size:14px;max-width:720px}
.tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:14px}
.tag{font-size:11px;padding:4px 9px;border-radius:99px;background:var(--plum-soft);color:var(--plum)}
.tag.orange{background:var(--apricot-soft);color:#9b5c32}
.item-link{justify-self:end;color:var(--plum);font-size:13px;font-weight:800;margin-top:7px}
.feature-strip{display:grid;grid-template-columns:1.4fr .6fr;gap:18px;margin:24px 0}
.feature-card{border:1px solid var(--line);background:linear-gradient(135deg,#f0e8f2 0%,#fffaf4 70%);border-radius:var(--radius);padding:30px;min-height:190px}
.feature-card h3{font-size:26px;color:var(--plum-deep);margin:10px 0}
.feature-card p{color:var(--muted);font-size:14px;max-width:620px}
.side-note{background:var(--plum);color:#fff;border-radius:12px;padding:26px}
.side-note strong{display:block;font-size:17px;margin-bottom:10px}
.side-note p{font-size:13px;color:#eee2ef;margin:0}
.empty-state{display:none;text-align:center;border:1px dashed #b9aabb;padding:35px;color:var(--muted);border-radius:12px;margin-top:20px}
.more-row{text-align:center;padding-top:32px}
.related{background:var(--paper-deep);border-top:1px solid var(--line);padding:75px 0}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.related-card{padding:24px;background:#fffdfa;border:1px solid var(--line);border-radius:12px;transition:.2s}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.related-card h3{margin:0 0 6px;color:var(--plum-deep);font-size:19px}
.related-card p{margin:0;color:var(--muted);font-size:13px}
.form-section{background:var(--paper-deep);border-top:1px solid var(--line);padding:78px 0}
.form-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}
.form-grid h2{font-size:39px;line-height:1.25;color:var(--plum-deep);letter-spacing:-.05em;margin:14px 0}
.form-grid p{color:var(--muted);font-size:14px}
.form-label{display:block;color:var(--plum-deep);font-weight:700;font-size:13px;margin-bottom:7px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{margin-bottom:17px}
.form-field input,.form-field textarea,.form-field select{width:100%;border:1px solid var(--line);background:#fffdfa;border-radius:9px;padding:11px 13px;color:var(--ink)}
.form-field textarea{min-height:105px;resize:vertical}
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{outline:none;border-color:var(--plum);box-shadow:0 0 0 3px var(--plum-soft)}
.form-message{display:none;margin-top:14px;padding:11px 13px;border-radius:8px;font-size:13px}
.form-message.success{display:block;background:#e2f0eb;color:#28675c}
.form-message.error{display:block;background:#f6e4e1;color:#8d4842}
.footer{background:#302833;color:#eee5ef;padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr .6fr .6fr;gap:50px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.14)}
.footer .logo{color:#fff}
.footer p{color:#c9bdca;font-size:13px;max-width:330px}
.footer h3{font-size:13px;color:#f4bd91;margin:0 0 14px}
.footer-grid>div>a:not(.logo){display:block;color:#c9bdca;font-size:13px;margin:8px 0;transition:.2s}
.footer-grid>div>a:not(.logo):hover{color:#fff;padding-left:3px}
.copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#a99ca9;font-size:12px}
@media(max-width:1023px){
 .nav-shell{gap:14px}.logo{min-width:210px;font-size:14px}.command-search input{width:95px}
 .hero-layout{gap:35px}.form-grid{gap:35px}
}
@media(max-width:767px){
 .container{width:min(var(--container),calc(100% - 28px))}
 .nav-shell{height:68px}.mobile-toggle{display:block;margin-left:auto}
 .nav-links{display:none;position:absolute;left:14px;right:14px;top:75px;padding:10px;background:var(--paper);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}.nav-link{padding:12px 14px}
 .nav-actions{display:none}.logo{min-width:0;font-size:13px}
 .page-hero{padding:48px 0 30px}.hero-layout{display:block}h1{font-size:43px}
 .hero-text{font-size:15px}.hero-stamp{margin-top:30px}.stats{grid-template-columns:repeat(3,150px);overflow-x:auto;padding-bottom:8px}
 .toolbar{align-items:stretch}.filter-control,.filter-control.search-wide{width:100%;min-width:0}
 .content-section{padding:25px 0 65px}.section-head{display:block}.section-head p{margin-top:12px}
 .feature-strip,.related-grid,.form-grid{grid-template-columns:1fr}.feature-card{min-height:0}
 .index-item{grid-template-columns:58px 1fr;gap:13px;padding:22px 0}.item-link{grid-column:2;justify-self:start;margin-top:5px}
 .item-title{font-size:18px}.item-desc{font-size:13px}
 .form-grid h2{font-size:32px}.form-row{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:25px}.copyright{display:block}.copyright span{display:block;margin-top:6px}
}