/* roulang page: index */
:root{
        --ink:#0B1917;
        --ink-2:#132622;
        --accent:#C8F53C;
        --accent-2:#B6F03A;
        --orange:#FF6B35;
        --bg:#F4F7F2;
        --white:#FFFFFF;
        --line:#E3E8E1;
        --text:#1E2A28;
        --muted:#5B6B67;
        --r-card:18px;
        --r-btn:999px;
        --r-input:12px;
        --shadow-1:0 1px 2px rgba(11,25,23,.06);
        --shadow-2:0 10px 30px rgba(11,25,23,.10);
        --shadow-3:0 24px 60px rgba(11,25,23,.16);
        --t:200ms cubic-bezier(.2,.7,.3,1);
    }

    *,*::before,*::after{box-sizing:border-box;}

    html{scroll-behavior:smooth;}

    body{
        margin:0;
        padding:0;
        background:var(--bg);
        color:var(--text);
        font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
        font-size:16px;
        line-height:1.9;
        -webkit-font-smoothing:antialiased;
        overflow-x:hidden;
    }

    img{max-width:100%;display:block;}
    a{color:inherit;text-decoration:none;}
    button{font-family:inherit;}
    input,button,textarea,select{font-family:inherit;font-size:inherit;}

    h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
    ul,ol{padding:0;list-style:none;}

    ::selection{background:var(--accent);color:var(--ink);}

    .container{
        width:100%;
        max-width:1200px;
        margin:0 auto;
        padding-left:20px;
        padding-right:20px;
    }

    @media(min-width:768px){
        .container{padding-left:32px;padding-right:32px;}
    }
    @media(min-width:1024px){
        .container{padding-left:40px;padding-right:40px;}
    }

    .mono{
        font-family:"Roboto Mono","SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
        font-variant-numeric:tabular-nums;
    }

    /* ============ 按钮 ============ */
    .btn{
        display:inline-flex;
        align-items:center;
        justify-content:center;
        gap:8px;
        font-weight:600;
        font-size:15px;
        line-height:1;
        padding:14px 26px;
        border-radius:var(--r-btn);
        border:1px solid transparent;
        cursor:pointer;
        transition:transform var(--t),background-color var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
        white-space:nowrap;
    }
    .btn:focus-visible{
        outline:2px solid var(--accent);
        outline-offset:2px;
    }
    .btn-primary{
        background:var(--accent);
        color:var(--ink);
    }
    .btn-primary:hover{
        background:#d7ff5c;
        transform:translateY(-2px);
        box-shadow:0 10px 26px rgba(200,245,60,.30);
    }
    .btn-primary:active{transform:translateY(-1px);box-shadow:none;}

    .btn-ghost{
        background:transparent;
        color:#F4F7F2;
        border-color:rgba(244,247,242,.34);
    }
    .btn-ghost:hover{
        border-color:var(--accent);
        color:var(--accent);
        transform:translateY(-2px);
    }
    .btn-ghost:active{transform:translateY(-1px);}

    .btn-outline{
        background:transparent;
        color:var(--text);
        border-color:var(--line);
    }
    .btn-outline:hover{
        border-color:var(--accent);
        background:rgba(200,245,60,.14);
        transform:translateY(-2px);
    }
    .btn-outline:active{transform:translateY(-1px);}

    .btn-sm{padding:10px 18px;font-size:14px;}

    /* ============ 顶部导航 ============ */
    .site-header{
        position:fixed;
        top:0;
        left:0;
        right:0;
        z-index:60;
        background:rgba(11,25,23,.92);
        border-bottom:1px solid rgba(200,245,60,.10);
        transition:height var(--t),background-color var(--t),box-shadow var(--t),border-color var(--t);
    }
    .site-header.is-scrolled{
        background:rgba(255,255,255,.94);
        backdrop-filter:blur(10px);
        -webkit-backdrop-filter:blur(10px);
        border-bottom-color:var(--line);
        box-shadow:var(--shadow-1);
    }
    .nav-inner{
        display:flex;
        align-items:center;
        gap:20px;
        height:72px;
        transition:height var(--t);
    }
    .site-header.is-scrolled .nav-inner{height:60px;}

    .logo{
        display:inline-flex;
        align-items:center;
        gap:10px;
        flex-shrink:0;
    }
    .logo-mark{
        width:38px;
        height:38px;
        border-radius:12px;
        border:1.5px solid var(--accent);
        display:flex;
        align-items:center;
        justify-content:center;
        background:rgba(200,245,60,.08);
        flex-shrink:0;
    }
    .logo-mark svg{width:20px;height:20px;}
    .logo-text{
        font-size:17px;
        font-weight:700;
        letter-spacing:-.01em;
        color:#FFFFFF;
        transition:color var(--t);
    }
    .site-header.is-scrolled .logo-text{color:var(--ink);}

    .nav-links{
        display:none;
        align-items:center;
        gap:4px;
        margin-left:12px;
    }
    .nav-links a{
        position:relative;
        display:inline-flex;
        align-items:center;
        height:40px;
        padding:0 14px;
        font-size:15px;
        font-weight:500;
        color:rgba(244,247,242,.78);
        border-radius:10px;
        transition:color var(--t),background-color var(--t);
    }
    .nav-links a::after{
        content:"";
        position:absolute;
        left:14px;
        right:14px;
        bottom:4px;
        height:2px;
        background:var(--accent);
        transform:scaleX(0);
        transform-origin:left center;
        transition:transform var(--t);
    }
    .nav-links a:hover{color:#FFFFFF;}
    .nav-links a:hover::after{transform:scaleX(1);}
    .nav-links a.is-active{color:var(--accent);}
    .nav-links a.is-active::after{transform:scaleX(1);}

    .site-header.is-scrolled .nav-links a{color:var(--muted);}
    .site-header.is-scrolled .nav-links a:hover{color:var(--ink);}
    .site-header.is-scrolled .nav-links a.is-active{color:var(--ink);}

    .nav-right{
        display:flex;
        align-items:center;
        gap:12px;
        margin-left:auto;
        flex-shrink:0;
    }

    .command-search{
        display:none;
        align-items:center;
        gap:8px;
        width:220px;
        height:40px;
        padding:0 12px;
        border-radius:var(--r-btn);
        background:rgba(255,255,255,.07);
        border:1px solid rgba(200,245,60,.16);
        color:rgba(244,247,242,.6);
        transition:border-color var(--t),background-color var(--t);
    }
    .command-search:hover{border-color:rgba(200,245,60,.42);}
    .command-search input{
        flex:1;
        min-width:0;
        border:0;
        background:transparent;
        color:#FFFFFF;
        font-size:14px;
        outline:none;
    }
    .command-search input::placeholder{color:rgba(244,247,242,.5);}
    .command-search .kbd{
        font-size:11px;
        padding:2px 6px;
        border-radius:6px;
        border:1px solid rgba(244,247,242,.22);
        color:rgba(244,247,242,.62);
    }
    .site-header.is-scrolled .command-search{
        background:#F1F5EF;
        border-color:var(--line);
        color:var(--muted);
    }
    .site-header.is-scrolled .command-search input{color:var(--ink);}
    .site-header.is-scrolled .command-search input::placeholder{color:var(--muted);}
    .site-header.is-scrolled .command-search .kbd{border-color:var(--line);color:var(--muted);}

    .nav-quick{
        display:none;
        font-size:14px;
        font-weight:500;
        color:rgba(244,247,242,.72);
        padding:8px 4px;
        transition:color var(--t);
    }
    .nav-quick:hover{color:var(--accent);}
    .site-header.is-scrolled .nav-quick{color:var(--muted);}
    .site-header.is-scrolled .nav-quick:hover{color:var(--ink);}

    .hamburger{
        display:inline-flex;
        align-items:center;
        justify-content:center;
        width:44px;
        height:44px;
        border-radius:12px;
        border:1px solid rgba(200,245,60,.2);
        background:transparent;
        color:#FFFFFF;
        cursor:pointer;
        transition:border-color var(--t),color var(--t);
    }
    .hamburger:hover{border-color:var(--accent);color:var(--accent);}
    .site-header.is-scrolled .hamburger{color:var(--ink);border-color:var(--line);}
    .site-header.is-scrolled .hamburger:hover{border-color:var(--accent);}

    @media(min-width:768px){
        .command-search{display:flex;}
        .nav-quick{display:inline-flex;}
    }
    @media(min-width:1024px){
        .nav-links{display:flex;}
        .hamburger{display:none;}
        .command-search{width:250px;}
    }

    /* 移动端抽屉 */
    .drawer-mask{
        position:fixed;
        inset:0;
        background:rgba(11,25,23,.56);
        opacity:0;
        pointer-events:none;
        transition:opacity var(--t);
        z-index:70;
    }
    .drawer-mask.is-open{opacity:1;pointer-events:auto;}
    .drawer{
        position:fixed;
        top:0;
        right:0;
        bottom:0;
        width:290px;
        max-width:86vw;
        background:var(--ink);
        border-left:1px solid rgba(200,245,60,.14);
        transform:translateX(100%);
        transition:transform 260ms cubic-bezier(.2,.7,.3,1);
        z-index:80;
        display:flex;
        flex-direction:column;
        padding:22px 20px 28px;
        overflow-y:auto;
    }
    .drawer.is-open{transform:translateX(0);}
    .drawer-head{
        display:flex;
        align-items:center;
        justify-content:space-between;
        margin-bottom:22px;
    }
    .drawer-close{
        width:40px;height:40px;
        border-radius:12px;
        border:1px solid rgba(200,245,60,.22);
        background:transparent;
        color:#FFFFFF;
        cursor:pointer;
        transition:border-color var(--t),color var(--t);
    }
    .drawer-close:hover{border-color:var(--accent);color:var(--accent);}
    .drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px;}
    .drawer-nav a{
        display:block;
        padding:13px 14px;
        border-radius:12px;
        color:rgba(244,247,242,.82);
        font-size:15px;
        font-weight:500;
        transition:background-color var(--t),color var(--t),padding-left var(--t);
    }
    .drawer-nav a:hover{background:rgba(200,245,60,.10);color:var(--accent);padding-left:18px;}
    .drawer-nav a.is-active{color:var(--accent);background:rgba(200,245,60,.08);}
    .drawer-search{
        display:flex;
        align-items:center;
        gap:8px;
        height:44px;
        padding:0 14px;
        border-radius:var(--r-btn);
        background:rgba(255,255,255,.06);
        border:1px solid rgba(200,245,60,.16);
        margin-bottom:16px;
    }
    .drawer-search input{
        flex:1;min-width:0;border:0;background:transparent;color:#fff;font-size:14px;outline:none;
    }
    .drawer-search input::placeholder{color:rgba(244,247,242,.48);}

    /* ============ Hero ============ */
    .hero{
        position:relative;
        background:var(--ink);
        padding-top:130px;
        padding-bottom:130px;
        overflow:hidden;
        clip-path:polygon(0 0,100% 0,100% calc(100% - 46px),0 100%);
    }
    .hero::before{
        content:"";
        position:absolute;
        inset:0;
        background-image:linear-gradient(180deg,rgba(11,25,23,.90) 0%,rgba(11,25,23,.86) 42%,rgba(11,25,23,.96) 100%),url('/assets/images/backpic/back-1.png');
        background-size:cover;
        background-position:center;
        opacity:.9;
    }
    .hero::after{
        content:"";
        position:absolute;
        top:-16%;
        right:-12%;
        width:640px;
        height:640px;
        border-radius:50%;
        background:radial-gradient(circle,rgba(200,245,60,.16) 0%,rgba(200,245,60,0) 62%);
        pointer-events:none;
    }
    .hero-grid{
        position:relative;
        z-index:2;
        display:grid;
        grid-template-columns:1fr;
        gap:48px;
        align-items:center;
    }
    @media(min-width:1024px){
        .hero-grid{grid-template-columns:6fr 6fr;gap:40px;}
    }

    .hero-eyebrow{
        display:inline-flex;
        align-items:center;
        gap:8px;
        padding:7px 14px;
        border-radius:var(--r-btn);
        border:1px solid rgba(200,245,60,.34);
        background:rgba(200,245,60,.08);
        color:var(--accent);
        font-size:12.5px;
        letter-spacing:.04em;
        margin-bottom:22px;
    }
    .hero-eyebrow .dot{
        width:6px;height:6px;border-radius:50%;background:var(--accent);
        box-shadow:0 0 0 4px rgba(200,245,60,.16);
    }

    .hero h1{
        font-size:clamp(30px,5vw,52px);
        font-weight:800;
        letter-spacing:-.02em;
        line-height:1.2;
        color:#FFFFFF;
        margin-bottom:20px;
        max-width:16em;
    }
    .hero h1 .hl{
        color:var(--accent);
        position:relative;
    }
    .hero h1 .hl::after{
        content:"";
        position:absolute;
        left:0;right:0;bottom:4px;
        height:8px;
        background:rgba(200,245,60,.20);
        border-radius:4px;
        z-index:-1;
    }

    .hero-sub{
        font-size:16px;
        line-height:1.9;
        color:rgba(244,247,242,.76);
        max-width:34em;
        margin-bottom:32px;
    }

    .hero-actions{
        display:flex;
        flex-wrap:wrap;
        gap:14px;
        margin-bottom:44px;
    }

    .hero-stats{
        display:grid;
        grid-template-columns:repeat(3,minmax(0,1fr));
        gap:20px;
        max-width:520px;
        padding-top:26px;
        border-top:1px solid rgba(200,245,60,.16);
    }
    .hero-stats .num{
        font-size:26px;
        font-weight:700;
        color:var(--accent);
        line-height:1.2;
    }
    .hero-stats .lbl{
        font-size:12.5px;
        color:rgba(244,247,242,.62);
        letter-spacing:.04em;
        margin-top:6px;
    }

    .hero-visual{
        position:relative;
        display:flex;
        justify-content:center;
        align-items:center;
    }
    .hero-orbit{
        position:absolute;
        width:min(420px,92%);
        aspect-ratio:1/1;
        border:1px solid rgba(200,245,60,.22);
        border-radius:50%;
        transform:rotate(-16deg);
        pointer-events:none;
    }
    .hero-orbit::after{
        content:"";
        position:absolute;
        inset:34px;
        border:1px dashed rgba(200,245,60,.14);
        border-radius:50%;
    }
    .device-card{
        position:relative;
        width:min(330px,100%);
        border-radius:28px;
        padding:16px;
        background:rgba(255,255,255,.05);
        border:1px solid rgba(200,245,60,.20);
        box-shadow:0 30px 70px rgba(0,0,0,.42);
        backdrop-filter:blur(3px);
        -webkit-backdrop-filter:blur(3px);
    }
    .device-screen{
        border-radius:20px;
        background:linear-gradient(180deg,#102320 0%,#0B1917 100%);
        border:1px solid rgba(200,245,60,.14);
        padding:20px 18px 24px;
    }
    .device-topline{
        display:flex;
        align-items:center;
        justify-content:space-between;
        margin-bottom:18px;
    }
    .device-topline .t{font-size:13px;color:rgba(244,247,242,.72);font-weight:600;}
    .device-topline .badge{
        font-size:11px;color:var(--ink);background:var(--accent);
        padding:3px 9px;border-radius:999px;font-weight:700;letter-spacing:.03em;
    }
    .device-field{
        height:44px;
        border-radius:12px;
        background:rgba(255,255,255,.06);
        border:1px solid rgba(200,245,60,.14);
        display:flex;
        align-items:center;
        gap:10px;
        padding:0 14px;
        margin-bottom:12px;
        color:rgba(244,247,242,.44);
        font-size:13px;
    }
    .device-field i{font-size:12px;color:rgba(200,245,60,.66);}
    .device-submit{
        height:46px;
        border-radius:999px;
        background:var(--accent);
        color:var(--ink);
        font-weight:700;
        font-size:14px;
        display:flex;
        align-items:center;
        justify-content:center;
        margin-top:6px;
    }
    .device-note{
        font-size:11.5px;
        color:rgba(244,247,242,.42);
        text-align:center;
        margin-top:14px;
    }
    .device-float{
        position:absolute;
        left:-14px;
        bottom:38px;
        background:#FFFFFF;
        border-radius:16px;
        padding:12px 16px;
        box-shadow:var(--shadow-3);
        display:flex;
        align-items:center;
        gap:10px;
    }
    .device-float .n{font-size:19px;font-weight:800;color:var(--ink);line-height:1;}
    .device-float .m{font-size:11.5px;color:var(--muted);line-height:1.4;margin-top:3px;}

    /* ============ 品牌主张条 ============ */
    .claims{
        background:var(--bg);
        padding:56px 0 0;
    }
    .claims-grid{
        display:grid;
        grid-template-columns:1fr;
        gap:20px;
    }
    @media(min-width:768px){
        .claims-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
    }
    .claim{
        background:var(--white);
        border:1px solid var(--line);
        border-radius:var(--r-card);
        padding:24px 22px;
        box-shadow:var(--shadow-1);
        transition:transform var(--t),box-shadow var(--t),border-color var(--t);
    }
    .claim:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(200,245,60,.6);}
    .claim .idx{
        font-size:14px;
        font-weight:700;
        color:var(--ink);
        background:var(--accent);
        width:34px;height:34px;
        border-radius:10px;
        display:flex;align-items:center;justify-content:center;
        margin-bottom:14px;
    }
    .claim h3{
        font-size:17px;
        font-weight:700;
        line-height:1.45;
        color:var(--text);
        margin-bottom:8px;
    }
    .claim p{font-size:14px;color:var(--muted);line-height:1.75;}

    /* ============ 通用板块 ============ */
    .section{padding:76px 0;}
    @media(min-width:1024px){.section{padding:92px 0;}}

    .section-head{
        display:flex;
        flex-wrap:wrap;
        align-items:flex-end;
        justify-content:space-between;
        gap:16px;
        margin-bottom:38px;
    }
    .section-head h2{
        position:relative;
        font-size:clamp(24px,3.2vw,32px);
        font-weight:700;
        letter-spacing:-.01em;
        line-height:1.32;
        color:var(--text);
        padding-left:22px;
    }
    .section-head h2::before{
        content:"";
        position:absolute;
        left:0;
        top:.58em;
        width:10px;
        height:10px;
        border-radius:3px;
        background:var(--accent);
    }
    .section-head .desc{
        font-size:14.5px;
        color:var(--muted);
        margin-top:12px;
        max-width:52em;
        padding-left:22px;
    }
    .link-arrow{
        display:inline-flex;
        align-items:center;
        gap:8px;
        font-size:14.5px;
        font-weight:600;
        color:var(--text);
        position:relative;
        transition:color var(--t);
    }
    .link-arrow i{font-size:12px;transition:transform var(--t);}
    .link-arrow::after{
        content:"";
        position:absolute;
        left:0;
        bottom:-4px;
        height:3px;
        width:100%;
        background:var(--accent);
        transform:scaleX(0);
        transform-origin:left center;
        transition:transform var(--t);
    }
    .link-arrow:hover::after{transform:scaleX(1);}
    .link-arrow:hover i{transform:translateX(4px);}

    /* ============ 故事块 ============ */
    .story-grid{
        display:grid;
        grid-template-columns:1fr;
        gap:36px;
        align-items:center;
    }
    @media(min-width:1024px){
        .story-grid{grid-template-columns:5fr 7fr;gap:56px;}
    }
    .story-media{
        position:relative;
        border-radius:var(--r-card);
        overflow:hidden;
        box-shadow:var(--shadow-2);
        aspect-ratio:5/4;
        background:#DDE5DB;
    }
    .story-media img{
        width:100%;height:100%;object-fit:cover;
        transition:transform 500ms cubic-bezier(.2,.7,.3,1);
    }
    .story-media:hover img{transform:scale(1.04);}
    .story-media .tag{
        position:absolute;
        left:16px;bottom:16px;
        background:var(--accent);
        color:var(--ink);
        font-size:12px;
        font-weight:700;
        letter-spacing:.04em;
        padding:6px 13px;
        border-radius:999px;
    }
    .story-body p{
        font-size:16px;
        line-height:1.9;
        color:var(--text);
        margin-bottom:18px;
    }
    .story-body p:last-of-type{margin-bottom:26px;}
    .story-body h2{
        font-size:clamp(24px,3.2vw,32px);
        font-weight:700;
        line-height:1.34;
        letter-spacing:-.01em;
        margin-bottom:18px;
        padding-left:22px;
        position:relative;
    }
    .story-body h2::before{
        content:"";
        position:absolute;
        left:0;top:.58em;
        width:10px;height:10px;border-radius:3px;background:var(--accent);
    }

    .timeline{
        margin-top:30px;
        border-left:2px solid var(--line);
        padding-left:22px;
        display:flex;
        flex-direction:column;
        gap:22px;
    }
    .timeline-item{position:relative;}
    .timeline-item::before{
        content:"";
        position:absolute;
        left:-30px;
        top:8px;
        width:10px;height:10px;
        border-radius:50%;
        background:var(--accent);
        box-shadow:0 0 0 4px rgba(200,245,60,.22);
    }
    .timeline-item .tt{
        font-size:15.5px;font-weight:700;color:var(--text);margin-bottom:4px;
    }
    .timeline-item .td{font-size:14px;color:var(--muted);line-height:1.75;}

    /* ============ 卡片体系 ============ */
    .card{
        position:relative;
        display:flex;
        flex-direction:column;
        background:var(--white);
        border:1px solid var(--line);
        border-radius:var(--r-card);
        overflow:hidden;
        box-shadow:var(--shadow-1);
        transition:transform var(--t),box-shadow var(--t),border-color var(--t);
    }
    .card::before{
        content:"";
        position:absolute;
        top:0;left:0;right:0;
        height:3px;
        background:linear-gradient(90deg,var(--accent),var(--accent-2));
        transform:scaleX(0);
        transform-origin:left center;
        transition:transform var(--t);
        z-index:3;
    }
    .card:hover{
        transform:translateY(-4px);
        box-shadow:var(--shadow-2);
        border-color:rgba(200,245,60,.55);
    }
    .card:hover::before{transform:scaleX(1);}
    .card-cover{
        position:relative;
        width:100%;
        aspect-ratio:4/3;
        overflow:hidden;
        background:#DDE5DB;
    }
    .card-cover img{width:100%;height:100%;object-fit:cover;transition:transform 480ms cubic-bezier(.2,.7,.3,1);}
    .card:hover .card-cover img{transform:scale(1.05);}
    .badge-cat{
        position:absolute;
        left:14px;
        bottom:14px;
        background:var(--accent);
        color:var(--ink);
        font-size:12px;
        font-weight:700;
        letter-spacing:.04em;
        padding:5px 12px;
        border-radius:999px;
    }
    .card-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
    .card-body h3{
        font-size:18px;
        font-weight:600;
        line-height:1.45;
        color:var(--text);
        margin-bottom:10px;
        display:-webkit-box;
        -webkit-line-clamp:2;
        -webkit-box-orient:vertical;
        overflow:hidden;
    }
    .card-body p{
        font-size:14px;
        color:var(--muted);
        line-height:1.78;
        display:-webkit-box;
        -webkit-line-clamp:3;
        -webkit-box-orient:vertical;
        overflow:hidden;
        margin-bottom:16px;
    }
    .card-meta{
        margin-top:auto;
        display:flex;
        align-items:center;
        gap:10px;
        font-size:12.5px;
        color:var(--muted);
        letter-spacing:.03em;
        padding-top:14px;
        border-top:1px solid var(--line);
    }
    .card-meta .dotsep{width:3px;height:3px;border-radius:50%;background:#C3CDC0;}
    .card-meta .go{margin-left:auto;color:var(--text);transition:transform var(--t),color var(--t);}
    .card:hover .card-meta .go{transform:translateX(4px);color:var(--ink);}

    .card-featured .card-cover{aspect-ratio:16/10;}
    .card-featured .card-body h3{font-size:21px;-webkit-line-clamp:2;}
    .card-featured .card-body p{-webkit-line-clamp:2;font-size:14.5px;}

    .feature-layout{
        display:grid;
        grid-template-columns:1fr;
        gap:20px;
    }
    @media(min-width:1024px){
        .feature-layout{grid-template-columns:7fr 5fr;gap:24px;}
        .feature-side{display:flex;flex-direction:column;gap:24px;}
    }

    /* 列表条 */
    .list-strip{
        display:flex;
        gap:16px;
        align-items:stretch;
        background:var(--white);
        border:1px solid var(--line);
        border-radius:var(--r-card);
        padding:14px;
        box-shadow:var(--shadow-1);
        transition:transform var(--t),box-shadow var(--t),border-color var(--t);
    }
    .list-strip:hover{
        transform:translateY(-3px);
        box-shadow:var(--shadow-2);
        border-color:rgba(200,245,60,.55);
    }
    .list-strip .thumb{
        width:120px;
        min-width:96px;
        aspect-ratio:10/7;
        border-radius:12px;
        overflow:hidden;
        background:#DDE5DB;
        flex-shrink:0;
    }
    .list-strip .thumb img{width:100%;height:100%;object-fit:cover;}
    .list-strip .strip-body{display:flex;flex-direction:column;min-width:0;flex:1;}
    .list-strip h3{
        font-size:16px;
        font-weight:600;
        line-height:1.45;
        color:var(--text);
        margin-bottom:6px;
        display:-webkit-box;
        -webkit-line-clamp:2;
        -webkit-box-orient:vertical;
        overflow:hidden;
    }
    .list-strip p{
        font-size:13.5px;
        color:var(--muted);
        line-height:1.7;
        display:-webkit-box;
        -webkit-line-clamp:2;
        -webkit-box-orient:vertical;
        overflow:hidden;
    }
    .list-strip .strip-meta{
        margin-top:auto;
        padding-top:10px;
        display:flex;
        align-items:center;
        gap:10px;
        font-size:12px;
        color:var(--muted);
        letter-spacing:.03em;
    }
    .chip-mini{
        display:inline-flex;
        align-items:center;
        font-size:11.5px;
        font-weight:700;
        color:var(--ink);
        background:rgba(200,245,60,.55);
        border-radius:999px;
        padding:2px 10px;
        letter-spacing:.03em;
    }
    @media(max-width:520px){
        .list-strip{flex-direction:column;}
        .list-strip .thumb{width:100%;aspect-ratio:16/9;}
    }

    /* ============ 最新信息 ============ */
    .news-board{
        background:var(--white);
        border:1px solid var(--line);
        border-radius:22px;
        padding:24px;
        box-shadow:var(--shadow-1);
    }
    @media(min-width:768px){.news-board{padding:32px;}}

    .chips-row{
        display:flex;
        flex-wrap:wrap;
        gap:10px;
        margin-bottom:26px;
    }
    .chip{
        display:inline-flex;
        align-items:center;
        height:34px;
        padding:0 15px;
        border-radius:999px;
        border:1px solid var(--line);
        background:var(--white);
        color:var(--muted);
        font-size:13.5px;
        font-weight:500;
        transition:border-color var(--t),color var(--t),background-color var(--t);
    }
    .chip:hover{border-color:var(--accent);color:var(--text);}
    .chip.is-active{
        background:var(--accent);
        border-color:var(--accent);
        color:var(--ink);
        font-weight:700;
    }

    .news-list{display:flex;flex-direction:column;gap:16px;}

    .empty-state{
        min-height:240px;
        display:flex;
        flex-direction:column;
        align-items:center;
        justify-content:center;
        gap:12px;
        text-align:center;
        border:1px dashed #CBD6C8;
        border-radius:var(--r-card);
        padding:32px 20px;
        background:#FAFCF8;
    }
    .empty-state .ico{
        width:52px;height:52px;
        border-radius:50%;
        border:1px solid #CBD6C8;
        display:flex;align-items:center;justify-content:center;
        color:#9AA99A;
        font-size:19px;
    }
    .empty-state .t1{font-size:16px;font-weight:600;color:var(--text);}
    .empty-state .t2{font-size:14px;color:var(--muted);max-width:32em;line-height:1.75;}
    .empty-state .btn{margin-top:6px;}

    .pager{
        display:flex;
        align-items:center;
        justify-content:center;
        gap:8px;
        margin-top:28px;
        flex-wrap:wrap;
    }
    .pager a,.pager span{
        display:inline-flex;
        align-items:center;
        justify-content:center;
        min-width:40px;
        height:40px;
        padding:0 12px;
        border-radius:999px;
        border:1px solid var(--line);
        background:var(--white);
        color:var(--muted);
        font-size:14px;
        font-weight:600;
        transition:all var(--t);
    }
    .pager a:hover{border-color:var(--accent);color:var(--text);}
    .pager .current{background:var(--accent);border-color:var(--accent);color:var(--ink);}
    .pager .disabled{opacity:.45;cursor:not-allowed;}

    /* ============ 信任数据（深色） ============ */
    .trust{
        position:relative;
        background:var(--ink);
        padding:76px 0;
        overflow:hidden;
    }
    .trust::after{
        content:"";
        position:absolute;
        left:-10%;
        bottom:-40%;
        width:560px;height:560px;
        border-radius:50%;
        background:radial-gradient(circle,rgba(200,245,60,.12) 0%,rgba(200,245,60,0) 65%);
        pointer-events:none;
    }
    .trust .container{position:relative;z-index:2;}
    .trust h2{
        position:relative;
        padding-left:22px;
        font-size:clamp(24px,3.2vw,32px);
        font-weight:700;
        color:#FFFFFF;
        line-height:1.32;
        margin-bottom:12px;
    }
    .trust h2::before{
        content:"";
        position:absolute;left:0;top:.58em;
        width:10px;height:10px;border-radius:3px;background:var(--accent);
    }
    .trust .lead{
        font-size:15px;
        color:rgba(244,247,242,.66);
        max-width:46em;
        margin-bottom:44px;
    }
    .trust-grid{
        display:grid;
        grid-template-columns:repeat(2,minmax(0,1fr));
        gap:24px;
        margin-bottom:48px;
    }
    @media(min-width:1024px){
        .trust-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;}
    }
    .trust-item{
        border-top:1px solid rgba(200,245,60,.24);
        padding-top:20px;
    }
    .trust-item .n{
        font-size:clamp(30px,3.6vw,40px);
        font-weight:800;
        color:var(--accent);
        line-height:1.1;
        letter-spacing:-.02em;
    }
    .trust-item .n small{font-size:.5em;font-weight:700;margin-left:3px;}
    .trust-item .d{
        font-size:13.5px;
        color:rgba(244,247,242,.62);
        margin-top:10px;
        line-height:1.7;
    }
    .trust-logos{
        display:flex;
        flex-wrap:wrap;
        gap:12px;
        padding-top:28px;
        border-top:1px solid rgba(200,245,60,.14);
    }
    .trust-logos span{
        font-size:13px;
        color:rgba(244,247,242,.5);
        border:1px solid rgba(244,247,242,.16);
        border-radius:999px;
        padding:7px 16px;
        letter-spacing:.03em;
    }

    /* ============ FAQ ============ */
    .faq-wrap{max-width:820px;margin:0 auto;}
    .faq-item{
        border-bottom:1px solid var(--line);
    }
    .faq-item:first-child{border-top:1px solid var(--line);}
    .faq-q{
        width:100%;
        display:flex;
        align-items:center;
        justify-content:space-between;
        gap:18px;
        padding:20px 4px;
        background:transparent;
        border:0;
        text-align:left;
        font-size:17px;
        font-weight:600;
        color:var(--text);
        cursor:pointer;
        transition:color var(--t);
    }
    .faq-q:hover{color:var(--ink);}
    .faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px;}
    .faq-q .sign{
        flex-shrink:0;
        width:30px;height:30px;
        border-radius:50%;
        border:1px solid var(--line);
        display:flex;align-items:center;justify-content:center;
        color:var(--muted);
        font-size:15px;
        transition:transform var(--t),background-color var(--t),color var(--t),border-color var(--t);
    }
    .faq-item.is-open .faq-q{color:var(--ink);}
    .faq-item.is-open .faq-q .sign{
        background:var(--accent);
        border-color:var(--accent);
        color:var(--ink);
        transform:rotate(45deg);
    }
    .faq-a{
        max-height:0;
        overflow:hidden;
        transition:max-height 280ms cubic-bezier(.2,.7,.3,1);
    }
    .faq-a p{
        font-size:15px;
        line-height:1.85;
        color:var(--muted);
        padding:0 44px 22px 4px;
    }

    /* ============ 订阅 CTA ============ */
    .cta-band{
        background:var(--ink);
        padding:72px 0;
        position:relative;
        overflow:hidden;
    }
    .cta-band::before{
        content:"";
        position:absolute;
        top:-30%;right:-6%;
        width:520px;height:520px;
        border-radius:50%;
        background:radial-gradient(circle,rgba(200,245,60,.14) 0%,rgba(200,245,60,0) 66%);
        pointer-events:none;
    }
    .cta-grid{
        position:relative;
        z-index:2;
        display:grid;
        grid-template-columns:1fr;
        gap:36px;
        align-items:center;
    }
    @media(min-width:1024px){
        .cta-grid{grid-template-columns:7fr 5fr;gap:56px;}
    }
    .cta-copy h2{
        font-size:clamp(24px,3.2vw,32px);
        font-weight:700;
        color:#FFFFFF;
        line-height:1.34;
        margin-bottom:14px;
    }
    .cta-copy p{
        font-size:15px;
        color:rgba(244,247,242,.7);
        line-height:1.85;
        margin-bottom:24px;
        max-width:38em;
    }
    .cta-checks{display:flex;flex-direction:column;gap:12px;}
    .cta-checks li{
        display:flex;
        align-items:flex-start;
        gap:10px;
        font-size:14.5px;
        color:rgba(244,247,242,.82);
        line-height:1.7;
    }
    .cta-checks i{
        color:var(--accent);
        font-size:13px;
        margin-top:6px;
        flex-shrink:0;
    }

    .form-card{
        background:#FFFFFF;
        border-radius:var(--r-card);
        padding:26px 24px 24px;
        box-shadow:var(--shadow-3);
    }
    .form-card h3{
        font-size:17px;
        font-weight:700;
        color:var(--text);
        margin-bottom:6px;
    }
    .form-card .hint{
        font-size:13.5px;
        color:var(--muted);
        margin-bottom:18px;
        line-height:1.7;
    }
    .form-field{margin-bottom:14px;}
    .form-field label{
        display:block;
        font-size:13px;
        font-weight:600;
        color:var(--text);
        margin-bottom:7px;
    }
    .form-field input{
        width:100%;
        height:48px;
        padding:0 15px;
        border-radius:var(--r-input);
        border:1px solid var(--line);
        background:#FBFDFA;
        color:var(--text);
        font-size:14.5px;
        outline:none;
        transition:border-color var(--t),box-shadow var(--t),background-color var(--t);
    }
    .form-field input::placeholder{color:#9FB0A4;}
    .form-field input:focus{
        border-color:var(--accent);
        background:#FFFFFF;
        box-shadow:0 0 0 3px rgba(200,245,60,.32);
    }
    .form-field .err{
        display:none;
        font-size:13px;
        color:#C64A1E;
        margin-top:6px;
    }
    .form-field.has-error input{border-color:var(--orange);}
    .form-field.has-error .err{display:block;}
    .form-privacy{
        font-size:12px;
        color:var(--muted);
        line-height:1.7;
        margin-top:12px;
    }

    /* ============ 页脚 ============ */
    .site-footer{
        background:#081211;
        color:rgba(244,247,242,.66);
        padding:80px 0 0;
        font-size:14px;
    }
    .footer-grid{
        display:grid;
        grid-template-columns:1fr;
        gap:32px;
        padding-bottom:56px;
    }
    @media(min-width:640px){
        .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
    }
    @media(min-width:1024px){
        .footer-grid{grid-template-columns:4fr 3fr 3fr 3fr;gap:40px;}
    }
    .footer-brand .logo-text{color:#FFFFFF;}
    .footer-brand p{
        font-size:13.5px;
        line-height:1.8;
        color:rgba(244,247,242,.55);
        margin:16px 0 20px;
        max-width:24em;
    }
    .footer-social{display:flex;gap:10px;}
    .footer-social a{
        width:40px;height:40px;
        border-radius:12px;
        border:1px solid rgba(200,245,60,.18);
        display:flex;align-items:center;justify-content:center;
        color:rgba(244,247,242,.7);
        transition:border-color var(--t),color var(--t),transform var(--t);
    }
    .footer-social a:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}
    .footer-col h4{
        font-size:14px;
        font-weight:700;
        color:#FFFFFF;
        letter-spacing:.04em;
        margin-bottom:18px;
    }
    .footer-col ul{display:flex;flex-direction:column;gap:12px;}
    .footer-col a{
        display:inline-block;
        font-size:13.5px;
        color:rgba(244,247,242,.6);
        transition:color var(--t),transform var(--t);
    }
    .footer-col a:hover{color:#FFFFFF;transform:translateX(2px);}

    .footer-sub p{
        font-size:13.5px;
        color:rgba(244,247,242,.55);
        line-height:1.75;
        margin-bottom:14px;
    }
    .footer-sub form{display:flex;gap:8px;}
    .footer-sub input{
        flex:1;min-width:0;
        height:44px;
        border-radius:var(--r-input);
        border:1px solid rgba(200,245,60,.2);
        background:rgba(255,255,255,.05);
        color:#FFFFFF;
        padding:0 13px;
        font-size:13.5px;
        outline:none;
        transition:border-color var(--t),box-shadow var(--t);
    }
    .footer-sub input::placeholder{color:rgba(244,247,242,.4);}
    .footer-sub input:focus{
        border-color:var(--accent);
        box-shadow:0 0 0 3px rgba(200,245,60,.2);
    }
    .footer-sub .btn{padding:0 18px;height:44px;font-size:14px;}

    .footer-bottom{
        border-top:1px solid rgba(200,245,60,.12);
        padding:22px 0;
        display:flex;
        flex-wrap:wrap;
        align-items:center;
        justify-content:space-between;
        gap:14px;
        font-size:13px;
        color:rgba(244,247,242,.45);
    }
    .to-top{
        width:44px;height:44px;
        border-radius:50%;
        border:1px solid rgba(200,245,60,.32);
        background:transparent;
        color:var(--accent);
        display:inline-flex;
        align-items:center;
        justify-content:center;
        cursor:pointer;
        transition:background-color var(--t),transform var(--t);
    }
    .to-top:hover{background:rgba(200,245,60,.12);transform:translateY(-2px);}

    .sr-only{
        position:absolute;width:1px;height:1px;
        padding:0;margin:-1px;overflow:hidden;
        clip:rect(0,0,0,0);white-space:nowrap;border:0;
    }

    @media(prefers-reduced-motion:reduce){
        *{transition:none !important;animation:none !important;}
        html{scroll-behavior:auto;}
    }

/* roulang page: article */
:root{
  --ink:#0B1917;
  --ink-2:#122723;
  --lime:#C8F53C;
  --lime-deep:#B6F03A;
  --orange:#FF6B35;
  --bg:#F4F7F2;
  --white:#FFFFFF;
  --line:#E3E8E1;
  --text:#1E2A28;
  --muted:#5B6B67;
  --r-card:18px;
  --r-btn:999px;
  --r-sm:12px;
  --r-img:14px;
  --sh-1:0 1px 2px rgba(11,25,23,.06);
  --sh-2:0 10px 30px rgba(11,25,23,.10);
  --sh-3:0 24px 60px rgba(11,25,23,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1024px){.container{padding:0 40px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(11,25,23,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(200,245,60,.14);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:72px;transition:height .2s var(--ease);
}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:40px;height:40px;flex:0 0 40px;display:grid;place-items:center;
  border:1.5px solid rgba(200,245,60,.45);border-radius:12px;
  background:rgba(200,245,60,.08);transition:border-color .2s var(--ease)
}
.logo-mark svg{width:22px;height:22px}
.logo:hover .logo-mark{border-color:var(--lime)}
.logo-text{color:#fff;font-weight:700;font-size:17px;letter-spacing:.01em;white-space:nowrap}
.nav-links{display:none;align-items:center;gap:26px;margin-left:6px}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-links a{
  position:relative;color:rgba(244,247,242,.78);font-size:15px;font-weight:500;
  padding:6px 0;transition:color .2s var(--ease)
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease)
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--lime)}
.nav-links a.is-active::after{transform:scaleX(1)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.cmd-search{
  display:none;align-items:center;gap:8px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(200,245,60,.18);
  border-radius:999px;padding:8px 14px;width:250px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease)
}
@media(min-width:1280px){.cmd-search{display:flex}}
.cmd-search:focus-within{border-color:var(--lime);box-shadow:0 0 0 2px rgba(200,245,60,.2)}
.cmd-search i{color:var(--lime);font-size:13px}
.cmd-search input{background:transparent;border:0;outline:0;color:#F4F7F2;font-size:14px;width:100%}
.cmd-search input::placeholder{color:rgba(244,247,242,.45)}
.kbd{
  font-size:11px;color:rgba(244,247,242,.5);border:1px solid rgba(255,255,255,.16);
  border-radius:6px;padding:1px 6px;white-space:nowrap
}
.quick-link{display:none;color:rgba(244,247,242,.8);font-size:14px;font-weight:500;transition:color .2s}
@media(min-width:768px){.quick-link{display:inline-block}}
.quick-link:hover{color:var(--lime)}
.menu-toggle{
  display:grid;place-items:center;width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(200,245,60,.25);background:rgba(255,255,255,.04);color:#fff;
  transition:border-color .2s var(--ease)
}
.menu-toggle:hover{border-color:var(--lime)}
@media(min-width:1024px){.menu-toggle{display:none}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;font-size:15px;
  padding:12px 24px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 6px 18px rgba(200,245,60,.22)}
.btn-primary:hover{background:#d6ff52;transform:translateY(-2px);box-shadow:0 12px 26px rgba(200,245,60,.28)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{border-color:rgba(244,247,242,.35);color:#fff}
.btn-outline:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.btn-ghost{border-color:var(--line);background:#fff;color:var(--text)}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  padding:5px 14px;font-size:12px;font-weight:600;letter-spacing:.04em
}
.badge-lime{background:var(--lime);color:var(--ink)}
.badge-soft{background:rgba(200,245,60,.16);color:#4D6A10}
.badge-dark-outline{border:1px solid rgba(200,245,60,.4);color:var(--lime)}
.badge-orange{background:rgba(255,107,53,.12);color:#C24413}

/* ============ 移动端抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,25,23,.6);z-index:110;
  opacity:0;pointer-events:none;transition:opacity .25s var(--ease)
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:86vw;
  background:var(--ink);z-index:120;padding:24px 22px 32px;
  transform:translateX(100%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;gap:6px;overflow-y:auto
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid rgba(200,245,60,.25);
  color:#fff;display:grid;place-items:center
}
.drawer a.drawer-link{
  color:rgba(244,247,242,.82);font-size:16px;font-weight:500;
  padding:13px 4px;border-bottom:1px solid rgba(200,245,60,.12);
  transition:color .2s var(--ease),padding-left .2s var(--ease)
}
.drawer a.drawer-link:hover,.drawer a.drawer-link.is-active{color:var(--lime);padding-left:10px}
.drawer-search{
  display:flex;align-items:center;gap:8px;margin:18px 0 8px;
  background:rgba(255,255,255,.06);border:1px solid rgba(200,245,60,.2);
  border-radius:999px;padding:10px 14px
}
.drawer-search input{background:transparent;border:0;outline:0;color:#fff;width:100%;font-size:14px}
.drawer-search input::placeholder{color:rgba(244,247,242,.45)}
.drawer .btn{width:100%;margin-top:14px}
body.no-scroll{overflow:hidden}

/* ============ 文章头部 ============ */
.post-hero{
  position:relative;overflow:hidden;color:#fff;
  background-color:var(--ink);
  background-image:
    radial-gradient(circle at 84% 12%,rgba(200,245,60,.14),transparent 46%),
    linear-gradient(180deg,rgba(11,25,23,.9),rgba(11,25,23,.97)),
    url('/assets/images/backpic/back-1.png');
  background-size:cover,cover,cover;
  background-position:center,center,center;
  padding:44px 0 84px;
}
.post-hero::before{
  content:"";position:absolute;right:-80px;top:-90px;width:340px;height:340px;
  border:1px solid rgba(200,245,60,.18);border-radius:50%;
  transform:rotate(-18deg) scaleY(.62);pointer-events:none
}
.post-hero .hero-slant{
  position:absolute;left:0;right:0;bottom:-1px;height:52px;
  background:var(--bg);clip-path:polygon(0 100%,100% 0,100% 100%)
}
.post-hero-inner{position:relative;z-index:2;max-width:900px}
.breadcrumb{font-size:14px;color:rgba(244,247,242,.62);margin-bottom:18px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px;max-width:100%}
.breadcrumb li+li::before{content:"/";color:rgba(244,247,242,.35)}
.breadcrumb a{transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb li[aria-current] span{
  display:inline-block;max-width:42ch;overflow:hidden;text-overflow:ellipsis;
  white-space:nowrap;color:#fff;font-weight:600
}
.post-title{
  font-size:clamp(26px,4.4vw,44px);font-weight:800;line-height:1.25;
  letter-spacing:-.02em;max-width:900px
}
.post-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:22px;font-size:14px;color:rgba(244,247,242,.72)
}
.post-meta .dot{color:rgba(244,247,242,.35)}
.post-intro{
  margin-top:22px;font-size:16px;line-height:1.9;color:rgba(244,247,242,.78);max-width:760px
}

/* ============ 正文阅读区 ============ */
.post-section{padding:0 0 24px}
.post-card{
  position:relative;z-index:3;max-width:760px;margin:-46px auto 0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:40px
}
@media(max-width:640px){
  .post-card{padding:22px;margin-top:-26px;border-radius:14px}
  .post-hero{padding:32px 0 68px}
}
.article-body{font-size:16px;line-height:1.9;color:var(--text);word-break:break-word}
.article-body>*+*{margin-top:1.1em}
.article-body h2{
  position:relative;font-size:20px;font-weight:700;margin:40px 0 16px;padding-left:14px
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.55em;width:4px;height:15px;
  border-radius:2px;background:var(--lime)
}
.article-body h3{font-size:18px;font-weight:600;margin:28px 0 12px}
.article-body h4{font-size:16px;font-weight:600;margin:20px 0 10px;color:var(--ink)}
.article-body p{margin:0 0 1.1em}
.article-body strong{font-weight:700}
.article-body a{color:var(--ink);border-bottom:2px solid rgba(200,245,60,.75);transition:border-color .2s var(--ease)}
.article-body a:hover{border-bottom-width:3px;border-color:var(--lime-deep)}
.article-body ul{margin:18px 0}
.article-body ul li{position:relative;padding-left:22px;margin:8px 0}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;
  border-radius:2px;background:var(--lime)
}
.article-body ol{counter-reset:item;margin:18px 0}
.article-body ol li{
  position:relative;padding-left:36px;margin:10px 0;counter-increment:item
}
.article-body ol li::before{
  content:counter(item,decimal-leading-zero);position:absolute;left:0;top:2px;
  font-size:12px;font-weight:700;color:var(--ink);
  background:rgba(200,245,60,.35);border-radius:6px;padding:1px 7px;line-height:1.6
}
.article-body blockquote{
  border-left:3px solid var(--lime);background:rgba(200,245,60,.1);
  border-radius:0 12px 12px 0;padding:16px 20px;color:var(--muted);margin:24px 0
}
.article-body img{border-radius:var(--r-img);margin:24px auto;width:100%;height:auto;object-fit:cover}
.article-body figure{margin:24px 0}
.article-body figcaption{
  margin-top:10px;text-align:center;font-size:13px;color:var(--muted)
}
.article-body table{
  width:100%;border-collapse:collapse;font-size:14px;margin:24px 0;
  border:1px solid var(--line);border-radius:12px;overflow:hidden
}
.article-body th{
  background:rgba(200,245,60,.18);text-align:left;font-weight:600;
  padding:11px 14px;border-bottom:1px solid var(--line);color:var(--ink)
}
.article-body td{padding:11px 14px;border-bottom:1px solid var(--line)}
.article-body tr:last-child td{border-bottom:0}
.article-body code{
  font-family:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  background:#F0F3EE;border-radius:6px;padding:2px 6px;font-size:14px
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* 空态 */
.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed var(--line);
  border-radius:var(--r-card);background:#FBFCFA
}
.empty-state i{font-size:30px;color:#9FB09F;margin-bottom:14px;display:block}
.empty-state .empty-title{font-size:17px;font-weight:600;color:var(--ink)}
.empty-state .empty-sub{font-size:14px;color:var(--muted);margin:8px 0 20px}

/* ============ 文末标签与分享 ============ */
.post-foot{
  max-width:760px;margin:26px auto 0;display:flex;flex-wrap:wrap;gap:16px;
  align-items:center;justify-content:space-between
}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:6px 15px;font-size:13px;color:var(--muted);transition:all .2s var(--ease)
}
.chip:hover{border-color:var(--lime);color:var(--ink);background:rgba(200,245,60,.14)}
.share-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.icon-btn{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;color:var(--muted);
  transition:all .2s var(--ease)
}
.icon-btn:hover{border-color:var(--lime);color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-2)}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
@media(max-width:767px){.section{padding:48px 0}}
.section-head{margin-bottom:32px;max-width:760px}
.section-label{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
  letter-spacing:.12em;color:#4D6A10;background:rgba(200,245,60,.22);
  border-radius:999px;padding:5px 14px;margin-bottom:14px
}
.section-head h2{
  position:relative;font-size:clamp(22px,3vw,30px);font-weight:700;padding-left:16px
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.45em;width:4px;height:20px;
  border-radius:2px;background:var(--lime)
}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px}

/* 相关推荐 */
.related-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:768px){.related-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.rel-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)
}
.rel-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);z-index:2
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(200,245,60,.5)}
.rel-card:hover::before{transform:scaleX(1)}
.rel-thumb{aspect-ratio:4/3;overflow:hidden;background:#EDF1EA}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{
  font-size:17px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden
}
.rel-body p{
  font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden
}
.rel-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--muted);letter-spacing:.04em
}
.rel-meta i{color:var(--lime-deep)}

/* ============ 底部 CTA ============ */
.post-cta{
  position:relative;overflow:hidden;background:var(--ink);border-radius:var(--r-card);
  padding:32px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;
  justify-content:space-between;color:#fff
}
.post-cta::after{
  content:"";position:absolute;right:-70px;bottom:-70px;width:240px;height:240px;
  border:1px solid rgba(200,245,60,.2);border-radius:50%;
  transform:rotate(-16deg) scaleY(.6);pointer-events:none
}
.post-cta .cta-text{position:relative;z-index:2;max-width:620px}
.post-cta h2{font-size:20px;font-weight:700}
.post-cta p{margin-top:8px;font-size:14px;color:rgba(244,247,242,.7)}
.post-cta .cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(244,247,242,.72);padding:80px 0 0;font-size:14px;margin-top:72px}
@media(max-width:767px){.site-footer{padding-top:56px;margin-top:48px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:40px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:36px}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px}}
.footer-brand .logo-text{font-size:16px}
.footer-brand p{margin:16px 0 20px;line-height:1.85;color:rgba(244,247,242,.6);max-width:300px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:38px;height:38px;display:grid;place-items:center;border-radius:10px;
  border:1px solid rgba(200,245,60,.2);color:rgba(244,247,242,.7);
  transition:all .2s var(--ease)
}
.footer-social a:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul li{margin-bottom:11px}
.footer-col a{
  color:rgba(244,247,242,.65);display:inline-block;
  transition:color .2s var(--ease),transform .2s var(--ease)
}
.footer-col a:hover{color:#fff;transform:translateX(-2px)}
.footer-sub form{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.footer-sub input{
  background:rgba(255,255,255,.06);border:1px solid rgba(200,245,60,.18);
  border-radius:var(--r-sm);padding:11px 14px;color:#fff;outline:0;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease)
}
.footer-sub input::placeholder{color:rgba(244,247,242,.42)}
.footer-sub input:focus{border-color:var(--lime);box-shadow:0 0 0 2px rgba(200,245,60,.22)}
.footer-sub .hint{font-size:12px;color:rgba(244,247,242,.45);line-height:1.7;margin-top:10px}
.form-msg{font-size:13px;color:#FF8A5C;display:none}
.form-msg.is-show{display:block}
.footer-bar{
  margin-top:64px;border-top:1px solid rgba(200,245,60,.14);
  padding:24px 0;display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  justify-content:space-between;font-size:13px;color:rgba(244,247,242,.5)
}
.to-top{
  width:42px;height:42px;border-radius:50%;border:1px solid rgba(200,245,60,.35);
  color:var(--lime);display:grid;place-items:center;transition:all .2s var(--ease)
}
.to-top:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px)}

/* roulang page: category1 */
:root{
  --brand-deep:#0B1917;
  --brand-deep-2:#102420;
  --green:#C8F53C;
  --green-2:#B6F03A;
  --orange:#FF6B35;
  --bg-soft:#F4F7F2;
  --white:#FFFFFF;
  --line:#E3E8E1;
  --line-dark:rgba(200,245,60,.18);
  --text:#1E2A28;
  --muted:#5B6B67;
  --inv:#F4F7F2;
  --radius-card:18px;
  --radius-img:14px;
  --radius-input:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(11,25,23,.06);
  --shadow-2:0 10px 30px rgba(11,25,23,.10);
  --shadow-3:0 24px 60px rgba(11,25,23,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","Roboto Mono","SFMono-Regular",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease)}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
p{font-size:16px;line-height:1.9}
:focus-visible{outline:2px solid var(--green);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1024px){.container{padding:0 40px}}
@media(min-width:1280px){.container{max-width:1200px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  min-height:44px;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-sm{padding:10px 20px;font-size:14px;min-height:40px}
.btn-block{width:100%}
.btn-primary{background:var(--green);color:var(--brand-deep);box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--green-2);transform:translateY(-2px);box-shadow:0 10px 24px rgba(200,245,60,.28)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{border:1px solid var(--line);color:var(--text);background:var(--white)}
.btn-outline:hover{border-color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-ghost{border:1px solid rgba(244,247,242,.35);color:var(--inv)}
.btn-ghost:hover{border-color:var(--green);color:var(--green);transform:translateY(-2px)}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-deep)}
.btn-link i{transition:transform .2s var(--ease)}
.btn-link:hover{color:var(--brand-deep)}
.btn-link:hover i{transform:translateX(4px)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(150%) blur(12px);
  -webkit-backdrop-filter:saturate(150%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease),background-color .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);background:rgba(255,255,255,.95)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;transition:height .25s var(--ease)}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:40px;height:40px;border-radius:12px;background:var(--brand-deep);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.logo-mark svg{width:22px;height:22px}
.logo-text{font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--brand-deep);white-space:nowrap}
.nav-links{display:none;align-items:center;gap:26px}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--text);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--green);
  transition:width .22s var(--ease);
}
.nav-links a:hover::after{width:100%}
.nav-links a.is-active{color:var(--brand-deep);font-weight:700}
.nav-links a.is-active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:14px}
.command-search{
  display:none;align-items:center;gap:8px;
  background:var(--bg-soft);border:1px solid var(--line);
  border-radius:var(--radius-pill);padding:0 14px;height:40px;width:280px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
@media(min-width:1200px){.command-search{display:flex}}
.command-search i{color:var(--muted);font-size:13px}
.command-search input{
  flex:1;border:0;background:transparent;outline:none;font-size:14px;min-width:0;
}
.command-search input::placeholder{color:var(--muted)}
.command-search:focus-within{border-color:var(--green);background:var(--white);box-shadow:0 0 0 3px rgba(200,245,60,.28)}
.command-search kbd{
  font-family:var(--font-num);font-size:11px;color:var(--muted);
  background:var(--white);border:1px solid var(--line);border-radius:6px;padding:2px 6px;
}
.link-quick{display:none;font-size:14px;font-weight:600;color:var(--muted)}
.link-quick:hover{color:var(--brand-deep)}
@media(min-width:1024px){.link-quick{display:inline-flex}}
.header-actions .btn-primary{display:none}
@media(min-width:1024px){.header-actions .btn-primary{display:inline-flex}}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--brand-deep);
  background:var(--white);
}
.nav-toggle:hover{border-color:var(--green);background:var(--bg-soft)}
@media(min-width:1024px){.nav-toggle{display:none}}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:rgba(11,25,23,.45);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;top:0;right:0;width:280px;max-width:86vw;height:100%;
  background:var(--white);padding:20px;display:flex;flex-direction:column;gap:20px;
  transform:translateX(100%);transition:transform .28s var(--ease);
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center}
.drawer-close:hover{border-color:var(--green);background:var(--bg-soft)}
.drawer .command-search{display:flex;width:100%}
.drawer-nav{display:flex;flex-direction:column;gap:2px}
.drawer-nav a{padding:12px 4px;font-size:15px;font-weight:500;border-bottom:1px solid var(--line)}
.drawer-nav a.is-active{color:var(--brand-deep);font-weight:700;box-shadow:inset 3px 0 0 var(--green);padding-left:12px}

/* ---------- 页头 Hero ---------- */
.page-hero{
  position:relative;background:var(--brand-deep);color:var(--inv);
  padding:44px 0 88px;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;top:-180px;right:-120px;width:560px;height:560px;
  background:radial-gradient(circle,rgba(200,245,60,.16),transparent 66%);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:46px;
  background:var(--bg-soft);clip-path:polygon(0 100%,100% 0,100% 100%);
}
.hero-grid{position:relative;z-index:2;display:grid;gap:36px;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:48px}}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(244,247,242,.66);margin-bottom:16px}
.breadcrumb a:hover{color:var(--green)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .now{color:var(--inv);font-weight:600}
.hero-title{
  font-size:clamp(30px,5vw,52px);font-weight:800;letter-spacing:-.02em;line-height:1.2;
  color:#fff;margin-bottom:16px;max-width:16em;
}
.hero-title em{font-style:normal;color:var(--green)}
.hero-lead{font-size:16px;line-height:1.9;color:rgba(244,247,242,.82);max-width:36em;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px}
.stat{min-width:96px}
.stat-num{font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--green);line-height:1.1}
.stat-label{font-size:12px;letter-spacing:.04em;color:rgba(244,247,242,.62);margin-top:4px}
.hero-visual{position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-3)}
.hero-visual img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-card)}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,25,23,.18),rgba(11,25,23,.72));
}
.hero-float{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:3;
  background:rgba(255,255,255,.95);border-radius:var(--radius-img);
  padding:14px 16px;box-shadow:var(--shadow-2);
}
.hero-float h3{font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--muted);margin-bottom:8px}
.hero-float ol{display:grid;gap:6px}
.hero-float li{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text)}
.hero-float li span{
  font-family:var(--font-num);font-size:11px;font-weight:700;color:var(--brand-deep);
  background:var(--green);border-radius:6px;padding:1px 6px;
}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0}
@media(min-width:1024px){.section{padding:88px 0}}
.section-soft{background:var(--bg-soft)}
.section-dark{background:var(--brand-deep);color:var(--inv)}
.section-head{margin-bottom:36px;max-width:760px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.08em;color:var(--brand-deep);background:var(--green);
  border-radius:var(--radius-pill);padding:5px 14px;margin-bottom:14px;
}
.section-title{
  position:relative;font-size:clamp(24px,3.2vw,34px);font-weight:700;letter-spacing:-.01em;
  line-height:1.3;padding-left:20px;color:var(--brand-deep);
}
.section-title::before{
  content:"";position:absolute;left:0;top:12px;width:6px;height:24px;border-radius:3px;background:var(--green);
}
.section-dark .section-title{color:#fff}
.section-desc{margin-top:12px;color:var(--muted);font-size:15px;max-width:44em}
.section-dark .section-desc{color:rgba(244,247,242,.72)}

/* ---------- 步骤编号卡 ---------- */
.step-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:640px){.step-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.step-grid{grid-template-columns:repeat(4,1fr);gap:24px}}
.step-card{
  position:relative;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px 22px 24px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  overflow:hidden;
}
.step-card::before{
  content:"";position:absolute;top:0;left:0;height:3px;width:0;
  background:linear-gradient(90deg,var(--green),var(--green-2));
  transition:width .28s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(200,245,60,.55)}
.step-card:hover::before{width:100%}
.step-num{
  font-family:var(--font-num);font-size:44px;font-weight:800;line-height:1;
  color:var(--green);letter-spacing:-.03em;
  -webkit-text-stroke:1px rgba(11,25,23,.12);
}
.step-title{font-size:18px;font-weight:700;margin:14px 0 10px;line-height:1.45;color:var(--brand-deep)}
.step-text{font-size:14.5px;line-height:1.85;color:var(--muted)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  display:inline-flex;align-items:center;font-size:12px;letter-spacing:.04em;
  padding:4px 12px;border-radius:var(--radius-pill);
  background:var(--bg-soft);color:var(--brand-deep);border:1px solid var(--line);
}
.tag-dark{background:rgba(200,245,60,.12);border-color:var(--line-dark);color:var(--green)}

/* ---------- 筛选 chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chip{
  font-size:13px;font-weight:600;padding:8px 18px;border-radius:var(--radius-pill);
  border:1px solid var(--line);color:var(--muted);background:var(--white);
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
  min-height:40px;display:inline-flex;align-items:center;
}
.chip:hover{border-color:var(--brand-deep);color:var(--brand-deep)}
.chip.is-on{background:var(--green);border-color:var(--green);color:var(--brand-deep);font-weight:700}

/* ---------- 内容布局 ---------- */
.content-layout{display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:1024px){.content-layout{grid-template-columns:1.95fr 1fr;gap:36px}}
.card-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
.card{
  position:relative;display:flex;flex-direction:column;background:var(--white);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card::before{
  content:"";position:absolute;top:0;left:0;height:3px;width:0;z-index:3;
  background:linear-gradient(90deg,var(--green),var(--green-2));
  transition:width .28s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(200,245,60,.5)}
.card:hover::before{width:100%}
.card-wide{grid-column:1/-1}
.card-media{position:relative;overflow:hidden}
.card-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;transition:transform .35s var(--ease)}
.card-wide .card-media img{aspect-ratio:16/9}
.card:hover .card-media img{transform:scale(1.03)}
.badge{
  position:absolute;left:14px;bottom:14px;z-index:2;
  background:var(--green);color:var(--brand-deep);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:5px 14px;border-radius:var(--radius-pill);
}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:18px;font-weight:700;line-height:1.45;color:var(--brand-deep)}
.card-title a:hover{color:var(--brand-deep)}
.card-text{font-size:14px;line-height:1.85;color:var(--muted)}
.card-meta{
  display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:14px;
  border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);letter-spacing:.02em;
}
.card-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line)}
.card-meta .arrow{margin-left:auto;color:var(--brand-deep);transition:transform .2s var(--ease)}
.card:hover .card-meta .arrow{transform:translateX(4px)}

/* ---------- 侧栏 ---------- */
.sidebar{display:none;flex-direction:column;gap:24px}
@media(min-width:1024px){.sidebar{display:flex}}
.side-box{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
}
.side-title{font-size:16px;font-weight:700;color:var(--brand-deep);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:6px;height:16px;border-radius:3px;background:var(--green)}
.side-list{display:flex;flex-direction:column}
.side-list li + li{border-top:1px solid var(--line)}
.side-list a{display:flex;align-items:flex-start;gap:10px;padding:12px 0;font-size:14px;line-height:1.7;color:var(--text)}
.side-list a:hover{color:var(--brand-deep)}
.side-list .idx{font-family:var(--font-num);font-size:12px;font-weight:700;color:var(--green-2);margin-top:3px}
.side-cta{background:var(--brand-deep);border-color:var(--brand-deep);color:var(--inv)}
.side-cta .side-title{color:#fff}
.side-cta p{font-size:14px;color:rgba(244,247,242,.75);margin-bottom:18px}
.side-cta .btn{margin-top:4px}

/* ---------- 分页外观 ---------- */
.pager{display:flex;align-items:center;gap:8px;margin-top:36px;flex-wrap:wrap}
.pager a,.pager span{
  min-width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--radius-pill);border:1px solid var(--line);font-size:14px;color:var(--muted);
  background:var(--white);transition:all .2s var(--ease);
}
.pager a:hover{border-color:var(--brand-deep);color:var(--brand-deep)}
.pager .current{background:var(--green);border-color:var(--green);color:var(--brand-deep);font-weight:700}
.pager .disabled{opacity:.45;cursor:not-allowed}

/* ---------- 深色确认块 ---------- */
.confirm-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media(min-width:900px){.confirm-grid{grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}}
.confirm-list{display:flex;flex-direction:column;gap:16px;margin-top:8px}
.confirm-item{display:flex;gap:14px;align-items:flex-start}
.confirm-item i{color:var(--green);font-size:16px;margin-top:6px}
.confirm-item h3{font-size:16px;font-weight:700;color:#fff;margin-bottom:4px}
.confirm-item p{font-size:14px;color:rgba(244,247,242,.72)}
.data-row{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media(min-width:640px){.data-row{grid-template-columns:repeat(4,1fr)}}
.data-cell{
  border:1px solid var(--line-dark);border-radius:var(--radius-card);padding:20px 18px;
  background:rgba(255,255,255,.03);
}
.data-num{font-family:var(--font-num);font-size:32px;font-weight:800;color:var(--green);line-height:1.1}
.data-label{font-size:13px;color:rgba(244,247,242,.66);margin-top:6px;letter-spacing:.03em}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;font-size:17px;font-weight:600;color:var(--brand-deep);
  cursor:pointer;list-style:none;min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{
  flex-shrink:0;font-size:14px;color:var(--brand-deep);
  transition:transform .2s var(--ease);
}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 4px 22px;font-size:15px;line-height:1.85;color:var(--muted);max-width:64em}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--brand-deep) 0%,#123027 100%);
  border-radius:24px;padding:40px 28px;color:var(--inv);
  display:grid;gap:24px;position:relative;overflow:hidden;
}
@media(min-width:900px){.cta-band{grid-template-columns:1.4fr .6fr;align-items:center;padding:52px 48px}}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,245,60,.18),transparent 68%);pointer-events:none;
}
.cta-band h2{position:relative;z-index:2;font-size:clamp(22px,3vw,30px);font-weight:700;color:#fff;line-height:1.35;margin-bottom:12px}
.cta-band p{position:relative;z-index:2;font-size:15px;color:rgba(244,247,242,.76);max-width:40em}
.cta-band .cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}
@media(min-width:900px){.cta-band .cta-actions{justify-content:flex-end}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(244,247,242,.72);padding:72px 0 28px;margin-top:0}
@media(min-width:1024px){.site-footer{padding-top:88px}}
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px}}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;margin:16px 0 18px;max-width:30em}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line-dark);
  display:flex;align-items:center;justify-content:center;color:var(--green);font-size:14px;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.footer-social a:hover{background:rgba(200,245,60,.12);border-color:var(--green);transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col ul a{font-size:14px;color:rgba(244,247,242,.72)}
.footer-col ul a:hover{color:#fff;transform:translateX(2px);display:inline-block}
.footer-sub p{font-size:14px;line-height:1.8;margin-bottom:14px}
.footer-form{display:flex;gap:8px}
.footer-form input{
  flex:1;min-width:0;height:44px;padding:0 14px;border-radius:var(--radius-input);
  border:1px solid rgba(200,245,60,.24);background:rgba(255,255,255,.06);color:#fff;font-size:14px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.footer-form input::placeholder{color:rgba(244,247,242,.5)}
.footer-form input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(200,245,60,.22)}
.footer-note{font-size:12px;color:rgba(244,247,242,.5);margin-top:10px}
.footer-msg{font-size:13px;color:var(--green);margin-top:8px;display:none}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  border-top:1px solid var(--line-dark);margin-top:44px;padding-top:24px;font-size:13px;
}
.footer-bottom p{font-size:13px;color:rgba(244,247,242,.55)}
.back-top{
  margin-left:auto;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--green);color:var(--green);
  display:flex;align-items:center;justify-content:center;
  transition:background-color .2s var(--ease),transform .2s var(--ease);
}
.back-top:hover{background:rgba(200,245,60,.14);transform:translateY(-2px)}

/* ---------- 移动端微调 ---------- */
@media(max-width:639px){
  .hero-title{font-size:28px}
  .hero-stats{gap:22px}
  .stat-num{font-size:22px}
  .card:hover,.step-card:hover{transform:none}
  .card:active,.step-card:active{transform:scale(.985)}
  .section{padding:48px 0}
  .cta-band{border-radius:18px;padding:32px 22px}
}

/* roulang page: category2 */
:root{
    --ink:#0B1917;
    --ink-soft:#12251F;
    --lime:#C8F53C;
    --lime-2:#B6F03A;
    --orange:#FF6B35;
    --orange-deep:#C7410F;
    --bg:#F4F7F2;
    --white:#FFFFFF;
    --line:#E3E8E1;
    --line-dark:rgba(200,245,60,.18);
    --text:#1E2A28;
    --muted:#5B6B67;
    --on-dark:#F4F7F2;
    --r-card:18px;
    --r-media:14px;
    --r-btn:999px;
    --r-input:12px;
    --sh-1:0 1px 2px rgba(11,25,23,.06);
    --sh-2:0 10px 30px rgba(11,25,23,.10);
    --sh-3:0 24px 60px rgba(11,25,23,.16);
    --ease:cubic-bezier(.2,.7,.3,1);
    --s-4:4px; --s-8:8px; --s-12:12px; --s-16:16px; --s-24:24px;
    --s-32:32px; --s-48:48px; --s-64:64px; --s-96:96px;
    --font-cn:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
    --font-num:"Inter","Roboto Mono","SFMono-Regular",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
html body{
    margin:0;
    padding:0;
    font-family:var(--font-cn);
    font-size:16px;
    line-height:1.9;
    color:var(--text);
    background:var(--bg);
    overflow-x:hidden;
}
html body h1{font-size:clamp(30px,5vw,52px);font-weight:800;letter-spacing:-.02em;line-height:1.2;margin:0;}
html body h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3;margin:0;}
html body h3{font-size:18px;font-weight:600;line-height:1.45;margin:0;}
html body h4{font-size:15px;font-weight:600;margin:0;}
html body p{margin:0;}
html body ul{margin:0;padding:0;list-style:none;}
html body a{color:inherit;text-decoration:none;}
html body img{display:block;max-width:100%;}
html body button{font-family:inherit;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 32px;}}
@media(min-width:1024px){.container{padding:0 40px;}}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}

/* ============ 顶部导航 ============ */
.site-header{
    position:sticky;top:0;z-index:60;
    background:var(--ink);
    border-bottom:1px solid rgba(200,245,60,.12);
    transition:height .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{
    background:rgba(11,25,23,.94);
    backdrop-filter:blur(10px);
    box-shadow:0 6px 24px rgba(11,25,23,.30);
}
.nav-inner{
    display:flex;align-items:center;gap:20px;
    height:72px;
    transition:height .25s var(--ease);
}
.site-header.is-scrolled .nav-inner{height:60px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
    width:40px;height:40px;border-radius:12px;
    display:flex;align-items:center;justify-content:center;
    border:1px solid var(--line-dark);
    background:rgba(200,245,60,.08);
    transition:transform .2s var(--ease),background .2s var(--ease);
}
.logo:hover .logo-mark{transform:translateY(-2px);background:rgba(200,245,60,.16);}
.logo-mark svg{width:24px;height:24px;}
.logo-text{
    font-size:17px;font-weight:700;color:var(--white);letter-spacing:.01em;white-space:nowrap;
}
.nav-links{display:none;align-items:center;gap:26px;margin-left:8px;}
.nav-links a{
    position:relative;font-size:15px;font-weight:500;color:rgba(244,247,242,.78);
    padding:6px 0;transition:color .2s var(--ease);
}
.nav-links a::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
    background:var(--lime);transform:scaleX(0);transform-origin:left;
    transition:transform .2s var(--ease);
}
.nav-links a:hover{color:var(--white);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--lime);}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
    display:none;align-items:center;gap:8px;
    height:40px;padding:0 12px;border-radius:var(--r-btn);
    background:rgba(244,247,242,.06);
    border:1px solid rgba(244,247,242,.14);
    transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--lime);background:rgba(244,247,242,.10);}
.nav-search i{color:rgba(244,247,242,.55);font-size:13px;}
.nav-search input{
    width:150px;border:0;background:transparent;outline:none;
    color:var(--white);font-size:14px;font-family:inherit;
}
.nav-search input::placeholder{color:rgba(244,247,242,.45);}
.kbd{
    font-family:var(--font-num);font-size:11px;letter-spacing:.04em;
    color:rgba(244,247,242,.6);
    border:1px solid rgba(244,247,242,.18);border-radius:6px;
    padding:1px 6px;
}
.nav-quick{
    display:none;font-size:14px;font-weight:500;color:rgba(244,247,242,.72);
    transition:color .2s var(--ease);
}
.nav-quick:hover{color:var(--lime);}
.nav-burger{
    width:44px;height:44px;border-radius:12px;
    background:transparent;border:1px solid rgba(244,247,242,.18);
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
    cursor:pointer;transition:border-color .2s var(--ease);
}
.nav-burger:hover{border-color:var(--lime);}
.nav-burger span{display:block;width:18px;height:2px;background:var(--on-dark);border-radius:2px;}
@media(min-width:768px){
    .nav-quick{display:inline-block;}
}
@media(min-width:1024px){
    .nav-links{display:flex;}
    .nav-search{display:flex;}
    .nav-burger{display:none;}
}

/* ============ 按钮 ============ */
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    font-size:15px;font-weight:600;line-height:1;
    padding:14px 24px;border-radius:var(--r-btn);
    border:1px solid transparent;cursor:pointer;
    transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--lime-2);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:var(--on-dark);border-color:rgba(244,247,242,.35);}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-outline:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-sm{padding:11px 18px;font-size:14px;}
.btn-block{width:100%;}
.text-link{
    display:inline-flex;align-items:center;gap:8px;
    font-size:15px;font-weight:600;color:var(--ink);
    padding-bottom:3px;position:relative;
}
.text-link::after{
    content:"";position:absolute;left:0;bottom:0;height:3px;width:100%;
    background:var(--lime);transform:scaleX(0);transform-origin:left;
    transition:transform .2s var(--ease);
}
.text-link:hover::after{transform:scaleX(1);}
.text-link i{font-size:12px;transition:transform .2s var(--ease);}
.text-link:hover i{transform:translateX(4px);}

/* ============ 移动抽屉 ============ */
.drawer-overlay{
    position:fixed;inset:0;background:rgba(11,25,23,.55);z-index:80;opacity:0;
    transition:opacity .25s var(--ease);
}
.drawer-overlay.is-open{opacity:1;}
.mobile-drawer{
    position:fixed;top:0;right:0;height:100%;width:280px;max-width:86vw;z-index:90;
    background:var(--ink);border-left:1px solid var(--line-dark);
    padding:20px;display:flex;flex-direction:column;gap:20px;
    transform:translateX(100%);transition:transform .28s var(--ease);
    overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-close{
    width:44px;height:44px;border-radius:12px;background:transparent;
    border:1px solid rgba(244,247,242,.18);color:var(--on-dark);
    font-size:16px;cursor:pointer;transition:border-color .2s var(--ease),color .2s var(--ease);
}
.drawer-close:hover{border-color:var(--lime);color:var(--lime);}
.drawer-nav{display:flex;flex-direction:column;gap:2px;}
.drawer-nav a{
    padding:13px 12px;border-radius:12px;font-size:15px;font-weight:500;
    color:rgba(244,247,242,.82);transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-nav a:hover{background:rgba(244,247,242,.07);color:var(--white);}
.drawer-nav a.is-active{background:rgba(200,245,60,.12);color:var(--lime);}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;border-radius:var(--r-btn);background:rgba(244,247,242,.06);border:1px solid rgba(244,247,242,.14);}
.drawer-search i{color:rgba(244,247,242,.5);font-size:13px;}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;color:var(--white);font-size:14px;font-family:inherit;}
.drawer-search input::placeholder{color:rgba(244,247,242,.45);}
body.is-locked{overflow:hidden;}

/* ============ 页头 ============ */
.page-head{
    position:relative;
    background-color:var(--ink);
    background-image:linear-gradient(rgba(11,25,23,.86),rgba(11,25,23,.94)),url("/assets/images/backpic/back-2.png");
    background-size:cover;background-position:center;
    color:var(--on-dark);
    padding:56px 0 96px;
    clip-path:polygon(0 0,100% 0,100% calc(100% - 44px),0 100%);
}
.page-head::after{
    content:"";position:absolute;top:-120px;right:-100px;width:460px;height:460px;border-radius:50%;
    background:radial-gradient(circle,rgba(200,245,60,.12),transparent 68%);
    pointer-events:none;
}
.page-head .container{position:relative;z-index:2;}
.breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:14px;color:rgba(244,247,242,.62);margin-bottom:16px;
}
.breadcrumb a{transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:var(--white);font-weight:600;}
.page-badge{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;letter-spacing:.04em;font-weight:600;
    padding:6px 14px;border-radius:var(--r-btn);
    color:var(--lime);border:1px solid var(--line-dark);background:rgba(200,245,60,.08);
    margin-bottom:18px;
}
.page-head h1{max-width:820px;}
.page-head h1 .hl{color:var(--lime);}
.page-lead{
    max-width:760px;margin-top:20px;font-size:16px;line-height:1.9;color:rgba(244,247,242,.78);
}
.stat-row{
    display:flex;flex-wrap:wrap;gap:28px;margin-top:32px;
    padding-top:24px;border-top:1px solid rgba(244,247,242,.14);
}
.stat-item{min-width:110px;}
.stat-num{
    font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--lime);line-height:1.1;letter-spacing:-.01em;
}
.stat-label{font-size:12px;letter-spacing:.04em;color:rgba(244,247,242,.62);margin-top:6px;}

/* ============ 通用板块 ============ */
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
@media(max-width:767px){.section{padding:48px 0;}.section-tight{padding:40px 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-head h2{position:relative;padding-left:0;}
.section-head h2::before{
    content:"";display:block;width:40px;height:4px;border-radius:2px;background:var(--lime);margin-bottom:14px;
}
.section-head p{font-size:14px;color:var(--muted);max-width:520px;}

/* ============ 筛选 chips ============ */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.chip{
    display:inline-flex;align-items:center;gap:6px;
    font-size:13px;font-weight:500;letter-spacing:.02em;
    padding:9px 16px;border-radius:var(--r-btn);
    border:1px solid var(--line);background:var(--white);color:var(--muted);
    cursor:pointer;transition:all .2s var(--ease);
}
.chip:hover{border-color:var(--ink);color:var(--ink);}
.chip.is-active{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:600;}

/* ============ 卡片 ============ */
.card{
    position:relative;background:var(--white);border:1px solid var(--line);
    border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
    display:flex;flex-direction:column;height:100%;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card::before{
    content:"";position:absolute;top:0;left:0;right:0;height:3px;
    background:linear-gradient(90deg,var(--lime),var(--lime-2));
    transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);z-index:3;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D5DCD3;}
.card:hover::before{transform:scaleX(1);}
.card-media{position:relative;overflow:hidden;background:#DDE4DA;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-media.ratio-4-3{aspect-ratio:4/3;}
.card-media.ratio-16-9{aspect-ratio:16/9;}
.card-badge{
    position:absolute;left:14px;bottom:14px;z-index:2;
    font-size:12px;font-weight:600;letter-spacing:.03em;
    padding:6px 13px;border-radius:var(--r-btn);background:var(--lime);color:var(--ink);
}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{font-size:14px;line-height:1.85;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{
    display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:14px;
    border-top:1px solid var(--line);font-size:12px;letter-spacing:.04em;color:var(--muted);
}
.card-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--orange);}
.card-meta .arrow{margin-left:auto;color:var(--muted);transition:color .2s var(--ease),transform .2s var(--ease);}
.card:hover .card-meta .arrow{color:var(--ink);transform:translateX(3px);}

.grid-cards{display:grid;grid-template-columns:1fr;gap:20px;}
.card-featured{grid-column:1 / -1;}
.card-featured .card-body{padding:24px;}
.card-featured h3{font-size:20px;}
@media(min-width:768px){
    .grid-cards{grid-template-columns:repeat(2,1fr);gap:24px;}
}
@media(min-width:1024px){
    .grid-cards{gap:28px;}
}
@media(max-width:767px){
    .card:hover{transform:none;}
    .card:active{transform:scale(.98);}
}

/* ============ 时间轴 ============ */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
    content:"";position:absolute;left:11px;top:8px;bottom:8px;width:1px;background:var(--line);
}
@media(min-width:768px){
    .timeline::before{left:104px;}
}
.tl-item{
    position:relative;display:grid;grid-template-columns:1fr;gap:12px;
    padding:0 0 28px 40px;
}
@media(min-width:768px){
    .tl-item{grid-template-columns:88px 1fr;gap:28px;padding-left:0;}
}
.tl-date{
    font-family:var(--font-num);font-size:14px;font-weight:600;color:var(--muted);letter-spacing:.02em;
}
@media(min-width:768px){.tl-date{text-align:right;padding-top:2px;}}
.tl-dot{
    position:absolute;left:5px;top:8px;width:13px;height:13px;border-radius:50%;
    background:var(--lime);border:2px solid var(--white);
    box-shadow:0 0 0 3px rgba(200,245,60,.22);
}
@media(min-width:768px){.tl-dot{left:98px;}}
.tl-card{
    background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
    padding:20px;box-shadow:var(--sh-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.tl-card h3{margin-bottom:8px;}
.tl-card p{font-size:14px;color:var(--muted);line-height:1.85;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
    font-size:12px;font-weight:600;letter-spacing:.04em;
    padding:5px 12px;border-radius:var(--r-btn);
    background:var(--bg);border:1px solid var(--line);color:var(--muted);
}
.tag-orange{color:var(--orange-deep);background:rgba(255,107,53,.10);border-color:rgba(255,107,53,.24);}

/* ============ 数据块 ============ */
.score-strip{
    display:grid;grid-template-columns:1fr;gap:16px;
    background:var(--ink);border-radius:var(--r-card);padding:28px;
    color:var(--on-dark);
}
@media(min-width:768px){.score-strip{grid-template-columns:repeat(3,1fr);gap:24px;}}
.score-cell{border-left:2px solid var(--line-dark);padding-left:18px;}
.score-cell .num{
    font-family:var(--font-num);font-size:34px;font-weight:700;color:var(--lime);line-height:1.1;
}
.score-cell .cap{font-size:13px;color:rgba(244,247,242,.7);margin-top:8px;line-height:1.7;}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
    padding:20px 0;font-size:17px;font-weight:600;color:var(--ink);
    transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:#0F3A2E;}
.faq-item summary .sign{
    margin-left:auto;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
    border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
    font-size:14px;color:var(--muted);transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.faq-item[open] summary .sign{transform:rotate(45deg);background:var(--lime);border-color:var(--lime);color:var(--ink);}
.faq-answer{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--muted);max-width:720px;}

/* ============ CTA 条 ============ */
.cta-band{
    background:var(--ink);color:var(--on-dark);border-radius:var(--r-card);
    padding:32px;display:flex;flex-wrap:wrap;align-items:center;gap:20px;justify-content:space-between;
    position:relative;overflow:hidden;
}
.cta-band::after{
    content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
    background:radial-gradient(circle,rgba(200,245,60,.14),transparent 70%);
}
.cta-band h3{font-size:20px;font-weight:700;color:var(--white);position:relative;z-index:2;}
.cta-band p{font-size:14px;color:rgba(244,247,242,.72);margin-top:6px;position:relative;z-index:2;}
.cta-band .btn{position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--on-dark);padding:80px 0 0;margin-top:72px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:40px;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:44px;}}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(244,247,242,.66);max-width:320px;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
    width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
    border:1px solid rgba(244,247,242,.16);color:rgba(244,247,242,.7);font-size:14px;
    transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.footer-social a:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px);}
.footer-col h4{font-size:14px;font-weight:700;color:var(--white);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{
    font-size:14px;color:rgba(244,247,242,.66);display:inline-block;
    transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col ul a:hover{color:var(--white);transform:translateX(2px);}
.footer-sub p{font-size:14px;color:rgba(244,247,242,.66);line-height:1.8;}
.footer-form{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap;}
.footer-form input{
    flex:1 1 160px;height:44px;padding:0 14px;border-radius:var(--r-input);
    border:1px solid rgba(244,247,242,.18);background:rgba(244,247,242,.05);
    color:var(--white);font-size:14px;font-family:inherit;outline:none;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.footer-form input::placeholder{color:rgba(244,247,242,.42);}
.footer-form input:focus{border-color:var(--lime);box-shadow:0 0 0 2px rgba(200,245,60,.28);}
.form-hint{font-size:12px;color:rgba(244,247,242,.5);margin-top:10px;}
.form-hint.is-error{color:#FF9A73;}
.footer-bottom{
    margin-top:60px;padding:22px 0;border-top:1px solid rgba(244,247,242,.12);
    display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:rgba(244,247,242,.55);}
.to-top{
    width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;
    border:1px solid var(--lime);color:var(--lime);font-size:14px;
    transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.to-top:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px);}

/* roulang page: category3 */
:root{
  --ink:#0B1917;
  --ink-soft:#12241F;
  --lime:#C8F53C;
  --lime-deep:#B6F03A;
  --orange:#FF6B35;
  --bg:#F4F7F2;
  --white:#FFFFFF;
  --line:#E3E8E1;
  --text:#1E2A28;
  --muted:#5B6B67;
  --r-card:18px;
  --r-btn:999px;
  --r-input:12px;
  --r-img:14px;
  --sh-1:0 1px 2px rgba(11,25,23,.06);
  --sh-2:0 10px 30px rgba(11,25,23,.10);
  --sh-3:0 24px 60px rgba(11,25,23,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"Inter","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.9;color:var(--text);
  background:var(--bg);overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1024px){.container{padding:0 40px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,25,23,.93);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(200,245,60,.14);
  transition:box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.site-header.is-scrolled{background:rgba(11,25,23,.99);box-shadow:0 12px 34px rgba(11,25,23,.30)}
.header-inner{display:flex;align-items:center;gap:18px;height:76px;transition:height .2s var(--ease)}
.site-header.is-scrolled .header-inner{height:62px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(200,245,60,.10);border:1px solid rgba(200,245,60,.35);flex-shrink:0;
}
.logo-mark svg{width:22px;height:22px}
.logo-text{font-weight:700;font-size:17px;letter-spacing:-.01em;color:#F4F7F2;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:12px}
.nav-links a{
  position:relative;font-weight:500;font-size:15px;color:rgba(244,247,242,.80);
  padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-links a:hover{color:#F4F7F2}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--lime)}
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;min-width:210px;
  padding:9px 12px;border-radius:var(--r-btn);
  background:rgba(244,247,242,.06);border:1px solid rgba(200,245,60,.18);
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.nav-search:focus-within{border-color:rgba(200,245,60,.55);background:rgba(244,247,242,.10)}
.nav-search i{font-size:13px;color:rgba(200,245,60,.75)}
.nav-search input{width:100%;border:0;background:transparent;outline:none;font-size:14px;color:#F4F7F2}
.nav-search input::placeholder{color:rgba(244,247,242,.42)}
.kbd{
  font-family:var(--mono);font-size:11px;line-height:1;padding:4px 6px;border-radius:6px;
  color:rgba(244,247,242,.55);border:1px solid rgba(244,247,242,.18);white-space:nowrap;
}
.nav-quick{font-size:14px;color:rgba(244,247,242,.72);padding:8px 4px}
.nav-quick:hover{color:var(--lime)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;font-size:15px;line-height:1;
  padding:13px 22px;border:1px solid transparent;white-space:nowrap;
  transition:transform .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 6px 18px rgba(200,245,60,.22)}
.btn-primary:hover{background:var(--lime-deep);transform:translateY(-2px);box-shadow:0 12px 26px rgba(200,245,60,.28)}
.btn-outline{border-color:rgba(244,247,242,.42);color:#F4F7F2}
.btn-outline:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.btn-ghost-light{border-color:rgba(244,247,242,.30);color:#F4F7F2}
.btn-ghost-light:hover{background:rgba(244,247,242,.10);border-color:var(--lime);color:var(--lime)}
.btn-line{border-color:var(--line);background:var(--white);color:var(--text);box-shadow:var(--sh-1)}
.btn-line:hover{border-color:var(--lime);box-shadow:var(--sh-2);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;align-items:center;justify-content:center;
  border:1px solid rgba(200,245,60,.28);color:#F4F7F2;
}
.nav-toggle:hover{color:var(--lime);border-color:var(--lime)}
.drawer{
  position:fixed;inset:0 0 0 auto;width:280px;max-width:86vw;z-index:90;
  background:var(--ink-soft);border-left:1px solid rgba(200,245,60,.18);
  transform:translateX(100%);transition:transform .24s var(--ease);
  padding:24px 22px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,25,23,.55);z-index:85;
  opacity:0;pointer-events:none;transition:opacity .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:40px;height:40px;border-radius:12px;color:#F4F7F2;border:1px solid rgba(244,247,242,.2)}
.drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.drawer nav a{
  padding:13px 12px;border-radius:12px;font-weight:500;color:rgba(244,247,242,.85);
  display:flex;align-items:center;justify-content:space-between;min-height:44px;
}
.drawer nav a:hover{background:rgba(200,245,60,.10);color:var(--lime)}
.drawer nav a.is-active{color:var(--lime);background:rgba(200,245,60,.12)}
body.is-locked{overflow:hidden}
@media(max-width:1080px){.nav-search{display:none}}
@media(max-width:960px){
  .nav-links,.nav-quick{display:none}
  .nav-toggle{display:inline-flex}
  .logo-text{font-size:15px}
}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;background:var(--ink);color:#F4F7F2;
  padding:52px 0 96px;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(11,25,23,.86) 0%,rgba(11,25,23,.96) 70%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;opacity:.62;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:64px;background:var(--bg);
  clip-path:polygon(0 100%,100% 42%,100% 100%,0 100%);
}
.hero-glow{
  position:absolute;top:-120px;right:-80px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,245,60,.16) 0%,rgba(200,245,60,0) 70%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;gap:44px}
@media(min-width:1024px){
  .hero-grid{grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:56px;align-items:center}
}
.breadcrumb{margin-bottom:18px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(244,247,242,.58)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:rgba(244,247,242,.32)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb li[aria-current] {color:#F4F7F2;font-weight:600}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;
  padding:6px 14px;border-radius:var(--r-btn);font-size:12px;letter-spacing:.04em;
  color:var(--lime);border:1px solid rgba(200,245,60,.38);background:rgba(200,245,60,.08);
}
.page-hero h1{
  font-size:clamp(28px,4.6vw,48px);font-weight:800;letter-spacing:-.02em;line-height:1.22;
  max-width:16em;
}
.hero-lead{margin-top:18px;font-size:16.5px;line-height:1.9;color:rgba(244,247,242,.80);max-width:38em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:34px;padding-top:24px;border-top:1px solid rgba(200,245,60,.18)}
.hero-stats strong{
  display:block;font-family:var(--mono);font-size:26px;font-weight:700;color:var(--lime);letter-spacing:-.02em;
}
.hero-stats span{font-size:12.5px;color:rgba(244,247,242,.60);letter-spacing:.04em}
.path-card{
  background:rgba(244,247,242,.05);border:1px solid rgba(200,245,60,.22);
  border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-3);
}
.path-card h2{font-size:17px;font-weight:700;color:#F4F7F2;margin-bottom:6px}
.path-card .path-sub{font-size:13.5px;color:rgba(244,247,242,.60);margin-bottom:18px}
.path-list{display:flex;flex-direction:column;gap:14px}
.path-list li{position:relative;padding-left:26px;font-size:14.5px;color:rgba(244,247,242,.86)}
.path-list li::before{
  content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:50%;
  border:2px solid rgba(200,245,60,.55);background:transparent;
}
.path-list li.is-done::before{background:var(--lime);border-color:var(--lime)}
.path-list li.is-done{color:#F4F7F2}
.path-foot{
  margin-top:20px;padding-top:16px;border-top:1px dashed rgba(200,245,60,.25);
  font-size:13px;color:rgba(244,247,242,.62);display:flex;align-items:center;gap:10px;
}
.path-bar{height:6px;border-radius:999px;background:rgba(244,247,242,.12);overflow:hidden;margin-top:16px}
.path-bar i{display:block;height:100%;width:62%;border-radius:999px;background:linear-gradient(90deg,var(--lime),#7FD93B)}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
.section-tight{padding:56px 0}
@media(max-width:767px){.section{padding:48px 0}.section-tight{padding:40px 0}}
.section-head{margin-bottom:34px;max-width:820px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12.5px;
  letter-spacing:.08em;color:var(--orange);text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(23px,2.6vw,32px);font-weight:700;letter-spacing:-.015em;line-height:1.35;
  padding-left:16px;border-left:4px solid var(--lime);
}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;max-width:44em}
.section-head.center{margin-left:auto;margin-right:auto;text-align:left}

/* ---------- 筛选 chips ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:14px 0 0;border-top:1px solid var(--line);
}
.chip{
  display:inline-flex;align-items:center;gap:8px;min-height:40px;
  padding:9px 18px;border-radius:var(--r-btn);font-size:14px;font-weight:500;
  border:1px solid var(--line);background:var(--white);color:var(--muted);
  transition:all .2s var(--ease);
}
.chip:hover{border-color:var(--lime);color:var(--text);transform:translateY(-2px)}
.chip.is-active{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:600}
.filter-note{margin-left:auto;font-size:13px;color:var(--muted);font-family:var(--mono)}

/* ---------- 大图引导块 ---------- */
.feature-split{
  display:grid;gap:32px;align-items:center;background:var(--white);
  border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh-1);
}
@media(min-width:960px){.feature-split{grid-template-columns:1.05fr .95fr;padding:28px}}
.feature-media{border-radius:var(--r-img);overflow:hidden;position:relative;aspect-ratio:16/10;background:var(--ink)}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature-media .media-tag{
  position:absolute;left:14px;bottom:14px;padding:7px 14px;border-radius:var(--r-btn);
  background:var(--lime);color:var(--ink);font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.feature-body h3{font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.4;letter-spacing:-.01em}
.feature-body p{margin-top:14px;color:var(--muted);font-size:15.5px}
.point-list{margin-top:20px;display:grid;gap:12px}
.point-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px}
.point-list i{color:#7FB92A;margin-top:7px;font-size:13px}
.mini-stats{display:flex;gap:28px;margin-top:22px;padding-top:18px;border-top:1px dashed var(--line);flex-wrap:wrap}
.mini-stats strong{display:block;font-family:var(--mono);font-size:22px;font-weight:700;color:var(--text)}
.mini-stats span{font-size:12.5px;color:var(--muted)}

/* ---------- 交错说明块 ---------- */
.alt-stack{display:grid;gap:56px;margin-top:8px}
.alt-row{display:grid;gap:26px;align-items:center}
@media(min-width:900px){
  .alt-row{grid-template-columns:1.02fr .98fr;gap:48px}
  .alt-row.reverse .alt-media{order:2}
}
.alt-media{border-radius:var(--r-card);overflow:hidden;aspect-ratio:4/3;background:#DCE4D8;box-shadow:var(--sh-2)}
.alt-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.alt-row:hover .alt-media img{transform:scale(1.03)}
.alt-body .step-no{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:13px;
  letter-spacing:.1em;color:var(--ink);font-weight:700;background:var(--lime);
  padding:6px 14px;border-radius:var(--r-btn);margin-bottom:16px;
}
.alt-body h3{font-size:clamp(20px,2.3vw,27px);font-weight:700;line-height:1.4;letter-spacing:-.01em}
.alt-body p{margin-top:14px;color:var(--muted);font-size:15.5px}
.alt-body .alt-note{
  margin-top:20px;padding:16px 18px;border-radius:var(--r-input);
  background:rgba(200,245,60,.12);border-left:4px solid var(--lime);font-size:14.5px;color:#2B3A36;
}
.inline-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;font-weight:600;font-size:15px;
  color:var(--text);border-bottom:3px solid transparent;transition:all .2s var(--ease);
}
.inline-link:hover{border-bottom-color:var(--lime);color:var(--ink);gap:12px}

/* ---------- 上手清单 ---------- */
.checklist{display:grid;gap:14px}
@media(min-width:1024px){.checklist{grid-template-columns:repeat(2,minmax(0,1fr))}}
.check-item{
  display:flex;gap:16px;align-items:flex-start;background:var(--white);
  border:1px solid var(--line);border-radius:var(--r-card);padding:20px 22px;
  box-shadow:var(--sh-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  position:relative;overflow:hidden;
}
.check-item::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.check-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8E2D4}
.check-item:hover::before{transform:scaleX(1)}
.check-index{
  font-family:var(--mono);font-size:15px;font-weight:700;color:var(--ink);
  background:rgba(200,245,60,.9);border-radius:10px;padding:6px 10px;flex-shrink:0;
}
.check-body h3{font-size:17px;font-weight:600;line-height:1.5}
.check-body p{margin-top:8px;font-size:14.5px;color:var(--muted)}
.tag{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--r-btn);
  font-size:12px;letter-spacing:.04em;font-weight:600;
}
.tag-lime{background:rgba(200,245,60,.22);color:#3F5A16}
.tag-orange{background:rgba(255,107,53,.14);color:#B8441A}
.tag-line{border:1px solid var(--line);color:var(--muted);background:var(--white)}
.check-body .tag{margin-top:12px}

/* ---------- 数据条 ---------- */
.data-band{background:var(--ink);color:#F4F7F2;border-radius:var(--r-card);padding:38px 28px;position:relative;overflow:hidden}
.data-band::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,245,60,.14),rgba(200,245,60,0) 70%);
}
.data-grid{display:grid;gap:26px;position:relative;z-index:2}
@media(min-width:768px){.data-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.data-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.data-item strong{display:block;font-family:var(--mono);font-size:32px;font-weight:700;color:var(--lime);letter-spacing:-.02em;line-height:1.2}
.data-item span{display:block;margin-top:8px;font-size:14px;color:rgba(244,247,242,.72)}
.data-item em{display:block;margin-top:4px;font-style:normal;font-size:12.5px;color:rgba(244,247,242,.45)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line);background:transparent}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 4px;font-size:17px;font-weight:600;line-height:1.6;cursor:pointer;list-style:none;
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:#3F5A16}
.faq-item summary::after{
  content:"+";font-family:var(--mono);font-size:22px;font-weight:400;color:var(--muted);
  transition:transform .2s var(--ease),color .2s var(--ease);flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--orange)}
.faq-item[open] summary{color:var(--ink)}
.faq-answer{padding:0 4px 24px;font-size:15px;color:var(--muted);line-height:1.88;max-width:64em}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:#F4F7F2;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(11,25,23,.94) 0%,rgba(11,25,23,.80) 60%,rgba(11,25,23,.94) 100%),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;opacity:.55;
}
.cta-inner{
  position:relative;z-index:2;display:grid;gap:26px;padding:56px 0;align-items:center;
}
@media(min-width:900px){.cta-inner{grid-template-columns:1.4fr auto;gap:40px;padding:64px 0}}
.cta-inner h2{font-size:clamp(21px,2.5vw,30px);font-weight:700;line-height:1.4;letter-spacing:-.01em}
.cta-inner p{margin-top:12px;font-size:15.5px;color:rgba(244,247,242,.72);max-width:40em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
@media(max-width:639px){.cta-actions .btn{width:100%}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(244,247,242,.72);padding:80px 0 0;margin-top:0}
.footer-grid{display:grid;gap:36px;padding-bottom:48px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr .8fr .8fr 1fr;gap:44px}}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;max-width:26em}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  border:1px solid rgba(200,245,60,.22);color:rgba(244,247,242,.8);transition:all .2s var(--ease);
}
.footer-social a:hover{color:var(--lime);border-color:var(--lime);transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:700;color:#F4F7F2;letter-spacing:.04em;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col ul a{font-size:14px;color:rgba(244,247,242,.70);display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-col ul a:hover{color:#FFFFFF;transform:translateX(2px)}
.footer-sub p{font-size:14px;line-height:1.85;margin-bottom:16px}
.footer-form{display:grid;gap:12px}
.footer-form input{
  width:100%;padding:13px 16px;border-radius:var(--r-input);border:1px solid rgba(244,247,242,.18);
  background:rgba(244,247,242,.06);color:#F4F7F2;font-size:14.5px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.footer-form input::placeholder{color:rgba(244,247,242,.40)}
.footer-form input:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,245,60,.18)}
.footer-form .btn{width:100%}
.form-tip{font-size:12.5px;color:rgba(244,247,242,.45);line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(244,247,242,.12);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.footer-bottom p{font-size:13.5px;color:rgba(244,247,242,.55)}
.to-top{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(200,245,60,.38);color:var(--lime);transition:all .2s var(--ease);
}
.to-top:hover{background:rgba(200,245,60,.12);transform:translateY(-2px)}

/* ---------- 复用小组件 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.divider{height:1px;background:var(--line);margin:4px 0}
.bg-soft{background:#EDF2EA}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}

/* roulang page: category4 */
:root{
    --night:#0B1917;
    --night-2:#122523;
    --night-3:#1A3330;
    --lime:#C8F53C;
    --lime-2:#B6F03A;
    --lime-soft:rgba(200,245,60,.12);
    --flame:#FF6B35;
    --flame-deep:#C9451A;
    --mist:#F4F7F2;
    --white:#FFFFFF;
    --line:#E3E8E1;
    --line-dark:rgba(200,245,60,.18);
    --ink:#1E2A28;
    --ink-2:#5B6B67;
    --ink-3:#8A9995;
    --r-card:18px;
    --r-btn:999px;
    --r-input:12px;
    --r-img:14px;
    --sh-1:0 1px 2px rgba(11,25,23,.06);
    --sh-2:0 10px 30px rgba(11,25,23,.10);
    --sh-3:0 24px 60px rgba(11,25,23,.16);
    --ease:cubic-bezier(.2,.7,.3,1);
    --t:200ms cubic-bezier(.2,.7,.3,1);
    --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px;
    --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.9;
    color:var(--ink);
    background:var(--mist);
    overflow-x:hidden;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  button,input{font:inherit;color:inherit;}
  h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em;}
  p{margin:0 0 1.2em;}
  ul,ol{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
  .skip{
    position:absolute;left:-9999px;top:0;z-index:200;
    background:var(--lime);color:var(--night);padding:10px 16px;border-radius:0 0 12px 0;font-weight:600;
  }
  .skip:focus{left:0;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media(min-width:768px){.container{padding:0 32px;}}
  @media(min-width:1024px){.container{padding:0 40px;}}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:90;
    background:rgba(11,25,23,.92);
    border-bottom:1px solid var(--line-dark);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    transition:background var(--t),box-shadow var(--t);
  }
  .site-header.is-scrolled{
    background:rgba(11,25,23,.98);
    box-shadow:0 10px 30px rgba(11,25,23,.30);
  }
  .header-inner{
    display:flex;align-items:center;gap:18px;
    height:72px;
    transition:height var(--t);
  }
  .site-header.is-scrolled .header-inner{height:60px;}

  .logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
  .logo-mark{
    width:40px;height:40px;flex:0 0 auto;
    display:grid;place-items:center;
    border:1px solid rgba(200,245,60,.35);
    border-radius:12px;
    background:rgba(200,245,60,.08);
  }
  .logo-mark svg{width:24px;height:24px;}
  .logo-text{font-size:16px;font-weight:700;color:#fff;letter-spacing:-.01em;white-space:nowrap;}
  @media(max-width:400px){.logo-text{font-size:14px;}}

  .nav-links{display:flex;align-items:center;gap:24px;margin-left:10px;}
  .nav-links a{
    position:relative;
    font-size:15px;font-weight:500;
    color:rgba(244,247,242,.78);
    padding:6px 0;
    transition:color var(--t);
    white-space:nowrap;
  }
  .nav-links a::after{
    content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
    background:var(--lime);transition:width var(--t);
  }
  .nav-links a:hover{color:#fff;}
  .nav-links a:hover::after{width:100%;}
  .nav-links a.is-active{color:var(--lime);}
  .nav-links a.is-active::after{width:100%;}

  .header-tools{margin-left:auto;display:flex;align-items:center;gap:12px;}
  .command-search{
    display:flex;align-items:center;gap:8px;
    min-width:238px;
    padding:7px 12px;
    border-radius:var(--r-btn);
    border:1px solid rgba(200,245,60,.20);
    background:rgba(244,247,242,.07);
    transition:border-color var(--t),background var(--t);
  }
  .command-search:focus-within{border-color:var(--lime);background:rgba(200,245,60,.10);}
  .command-search i{font-size:13px;color:rgba(200,245,60,.85);}
  .command-search input{
    flex:1;min-width:0;
    border:0;background:transparent;outline:none;
    font-size:14px;color:#fff;
  }
  .command-search input::placeholder{color:rgba(244,247,242,.48);}
  .kbd{
    font-size:11px;line-height:1;
    padding:4px 7px;border-radius:999px;
    border:1px solid rgba(244,247,242,.22);
    color:rgba(244,247,242,.62);
    white-space:nowrap;
  }
  .quick-link{
    font-size:14px;font-weight:500;
    color:rgba(244,247,242,.78);
    padding:8px 4px;
    border-bottom:2px solid transparent;
    transition:color var(--t),border-color var(--t);
    white-space:nowrap;
  }
  .quick-link:hover{color:var(--lime);border-color:var(--lime);}

  .menu-toggle{
    display:none;
    width:44px;height:44px;margin-left:auto;
    border:1px solid rgba(244,247,242,.24);
    border-radius:12px;background:transparent;
    cursor:pointer;
    padding:0;
    place-items:center;
    gap:4px;
    flex-direction:column;
  }
  .menu-toggle span{
    display:block;width:18px;height:2px;border-radius:2px;background:#fff;
    transition:transform var(--t),opacity var(--t);
  }
  .menu-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .menu-toggle.is-open span:nth-child(2){opacity:0;}
  .menu-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

  @media(max-width:1180px){
    .command-search{min-width:170px;}
    .kbd{display:none;}
  }
  @media(max-width:1080px){
    .command-search{display:none;}
  }
  @media(max-width:900px){
    .nav-links{display:none;}
    .quick-link{display:none;}
    .menu-toggle{display:flex;}
  }

  /* ---------- 移动抽屉 ---------- */
  .drawer-mask{
    position:fixed;inset:0;z-index:95;
    background:rgba(11,25,23,.62);
    opacity:0;visibility:hidden;
    transition:opacity var(--t),visibility var(--t);
  }
  .drawer-mask.is-show{opacity:1;visibility:visible;}
  .mobile-drawer{
    position:fixed;top:0;right:0;z-index:96;
    width:280px;max-width:86vw;height:100%;
    background:var(--night);
    border-left:1px solid var(--line-dark);
    padding:24px 20px 32px;
    transform:translateX(105%);
    transition:transform var(--t);
    overflow-y:auto;
    display:flex;flex-direction:column;gap:20px;
  }
  .mobile-drawer.is-show{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;}
  .drawer-close{
    width:40px;height:40px;border-radius:12px;
    border:1px solid rgba(244,247,242,.24);
    background:transparent;color:#fff;cursor:pointer;
    display:grid;place-items:center;
  }
  .drawer-close:hover{border-color:var(--lime);color:var(--lime);}
  .drawer-nav{display:flex;flex-direction:column;gap:4px;}
  .drawer-nav a{
    padding:12px 14px;border-radius:12px;
    color:rgba(244,247,242,.82);font-size:15px;font-weight:500;
    transition:background var(--t),color var(--t);
  }
  .drawer-nav a:hover{background:rgba(244,247,242,.06);color:#fff;}
  .drawer-nav a.is-active{background:var(--lime-soft);color:var(--lime);}
  .drawer-search{
    display:flex;align-items:center;gap:8px;
    padding:10px 14px;border-radius:var(--r-btn);
    border:1px solid var(--line-dark);
    background:rgba(244,247,242,.05);
  }
  .drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;color:#fff;font-size:14px;}
  .drawer-search i{color:rgba(200,245,60,.85);font-size:13px;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 22px;
    border-radius:var(--r-btn);
    font-size:15px;font-weight:600;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
  }
  .btn-primary{background:var(--lime);color:var(--night);}
  .btn-primary:hover{background:#d5fa62;transform:translateY(-2px);box-shadow:0 10px 24px rgba(200,245,60,.26);}
  .btn-primary:active{transform:translateY(-1px);}
  .btn-ghost{background:transparent;color:#fff;border-color:rgba(244,247,242,.36);}
  .btn-ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px);}
  .btn-outline{background:#fff;color:var(--ink);border-color:var(--line);}
  .btn-outline:hover{border-color:var(--night);transform:translateY(-2px);box-shadow:var(--sh-2);}
  .btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
  .btn-block{width:100%;}
  .btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

  /* ---------- 页头 ---------- */
  .page-hero{
    position:relative;
    background:var(--night);
    color:var(--mist);
    padding:64px 0 60px;
    overflow:hidden;
    clip-path:polygon(0 0,100% 0,100% calc(100% - 28px),0 100%);
  }
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
    opacity:.20;
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;
    background:radial-gradient(58% 78% at 86% 8%,rgba(200,245,60,.16),transparent 62%);
  }
  .page-hero .container{position:relative;z-index:2;}
  .hero-arc{
    position:absolute;right:-90px;bottom:-140px;z-index:1;
    width:420px;height:300px;
    border:1px solid rgba(200,245,60,.22);
    border-radius:50%;
    transform:rotate(-18deg);
    pointer-events:none;
  }
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:14px;color:rgba(244,247,242,.60);
    margin-bottom:16px;
    list-style:none;padding:0;
  }
  .breadcrumb li{display:flex;align-items:center;gap:8px;}
  .breadcrumb li+li::before{content:"/";color:rgba(244,247,242,.35);}
  .breadcrumb a{transition:color var(--t);}
  .breadcrumb a:hover{color:var(--lime);}
  .breadcrumb .current{color:#fff;font-weight:600;}

  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;
    border:1px solid var(--line-dark);
    background:rgba(200,245,60,.10);
    color:var(--lime);
    font-size:12.5px;letter-spacing:.04em;
    margin-bottom:18px;
  }
  .hero-title{
    font-size:clamp(28px,4.6vw,46px);
    font-weight:800;
    letter-spacing:-.02em;
    line-height:1.22;
    color:#fff;
    max-width:820px;
    margin-bottom:16px;
  }
  .hero-title em{font-style:normal;color:var(--lime);}
  .hero-lead{
    max-width:720px;
    font-size:16px;
    line-height:1.9;
    color:rgba(244,247,242,.80);
    margin-bottom:26px;
  }
  .hero-stats{
    display:flex;flex-wrap:wrap;gap:28px 44px;
    padding-top:22px;
    border-top:1px solid rgba(200,245,60,.16);
  }
  .hero-stat strong{
    display:block;
    font-size:26px;font-weight:800;line-height:1.2;
    color:var(--lime);
    font-variant-numeric:tabular-nums;
  }
  .hero-stat span{font-size:13px;color:rgba(244,247,242,.66);letter-spacing:.04em;}

  /* ---------- 通用区块 ---------- */
  .section{padding:64px 0;}
  @media(min-width:1024px){.section{padding:84px 0;}}
  .section-head{margin-bottom:32px;max-width:760px;}
  .section-title{
    position:relative;
    font-size:clamp(22px,3vw,30px);
    font-weight:700;
    color:var(--ink);
    padding-left:20px;
    margin-bottom:12px;
  }
  .section-title::before{
    content:"";position:absolute;left:0;top:.55em;
    width:10px;height:10px;border-radius:3px;background:var(--lime);
  }
  .section-lead{font-size:15px;color:var(--ink-2);line-height:1.85;margin:0;}
  .on-dark .section-title{color:#fff;}
  .on-dark .section-lead{color:rgba(244,247,242,.72);}

  .layout{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
    align-items:start;
  }
  @media(min-width:1024px){
    .layout{grid-template-columns:minmax(0,1fr) 336px;gap:36px;}
  }
  .sticky-side{position:static;}
  @media(min-width:1024px){
    .sticky-side{position:sticky;top:92px;}
  }

  /* ---------- 筛选 chips ---------- */
  .chips{
    display:flex;flex-wrap:wrap;gap:10px;
    margin-bottom:28px;
  }
  .chip{
    display:inline-flex;align-items:center;gap:7px;
    min-height:38px;padding:0 16px;
    border-radius:999px;
    border:1px solid var(--line);
    background:#fff;
    color:var(--ink-2);
    font-size:14px;
    cursor:pointer;
    transition:border-color var(--t),color var(--t),background var(--t),transform var(--t);
  }
  .chip:hover{border-color:var(--night);color:var(--ink);transform:translateY(-1px);}
  .chip.is-on{background:var(--lime);border-color:var(--lime);color:var(--night);font-weight:600;}
  .chip .count{
    font-size:12px;
    padding:1px 7px;border-radius:999px;
    background:rgba(11,25,23,.07);
    color:var(--ink-2);
  }
  .chip.is-on .count{background:rgba(11,25,23,.16);color:var(--night);}

  /* ---------- FAQ 手风琴 ---------- */
  .faq{
    max-width:820px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-card);
    box-shadow:var(--sh-1);
    overflow:hidden;
  }
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item:last-child{border-bottom:0;}
  .faq-item>summary{
    display:flex;align-items:flex-start;gap:14px;
    padding:22px 24px;
    cursor:pointer;
    list-style:none;
    transition:background var(--t);
  }
  .faq-item>summary::-webkit-details-marker{display:none;}
  .faq-item>summary:hover{background:rgba(200,245,60,.09);}
  .faq-num{
    flex:0 0 auto;
    font-size:13px;font-weight:700;
    color:var(--flame);
    font-variant-numeric:tabular-nums;
    padding-top:3px;
    min-width:26px;
    letter-spacing:.02em;
  }
  .faq-q{
    flex:1;
    font-size:17px;font-weight:600;line-height:1.55;
    color:var(--ink);
  }
  .faq-icon{
    flex:0 0 auto;
    width:28px;height:28px;
    display:grid;place-items:center;
    border-radius:50%;
    border:1px solid var(--line);
    color:var(--ink-2);
    font-size:16px;line-height:1;
    transition:transform var(--t),background var(--t),color var(--t),border-color var(--t);
  }
  .faq-item[open]>summary{background:rgba(200,245,60,.08);}
  .faq-item[open] .faq-icon{
    transform:rotate(45deg);
    background:var(--lime);border-color:var(--lime);color:var(--night);
  }
  .faq-a{
    padding:0 24px 24px 64px;
    font-size:15px;
    line-height:1.85;
    color:var(--ink-2);
  }
  .faq-a p{margin:0 0 .9em;}
  .faq-a p:last-child{margin-bottom:0;}
  .faq-a ol{counter-reset:step;display:flex;flex-direction:column;gap:8px;margin:.6em 0 0;}
  .faq-a ol li{
    position:relative;
    padding-left:28px;
    counter-increment:step;
  }
  .faq-a ol li::before{
    content:counter(step);
    position:absolute;left:0;top:3px;
    width:19px;height:19px;line-height:19px;
    text-align:center;
    border-radius:50%;
    background:var(--lime-soft);
    color:#3f5a12;
    font-size:11px;font-weight:700;
  }
  .faq-a .tip{
    display:block;
    margin-top:12px;
    padding:12px 16px;
    border-left:3px solid var(--lime);
    background:rgba(200,245,60,.10);
    border-radius:0 10px 10px 0;
    color:var(--ink);
    font-size:14px;
  }
  @media(max-width:600px){
    .faq-item>summary{padding:18px 16px;gap:10px;}
    .faq-q{font-size:15.5px;}
    .faq-a{padding:0 16px 20px 16px;}
    .faq-num{min-width:22px;font-size:12px;}
  }

  /* ---------- 速查卡片 ---------- */
  .card-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:24px;
    margin-top:40px;
  }
  @media(min-width:640px){
    .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  }
  .card{
    position:relative;
    display:flex;flex-direction:column;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-card);
    overflow:hidden;
    box-shadow:var(--sh-1);
    transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  }
  .card::before{
    content:"";position:absolute;left:0;right:0;top:0;height:3px;
    background:linear-gradient(90deg,var(--lime),rgba(200,245,60,0));
    transform:scaleX(0);transform-origin:left;
    transition:transform var(--t);
    z-index:3;
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFD9CD;}
  .card:hover::before{transform:scaleX(1);}
  .card-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--night);}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease);}
  .card:hover .card-media img{transform:scale(1.04);}
  .badge{
    position:absolute;left:14px;bottom:14px;
    display:inline-flex;align-items:center;
    padding:5px 12px;border-radius:999px;
    background:var(--lime);color:var(--night);
    font-size:12px;font-weight:600;letter-spacing:.03em;
  }
  .card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .card-body h3{font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);}
  .card-body p{font-size:14px;line-height:1.8;color:var(--ink-2);margin:0;}
  .card-meta{
    display:flex;align-items:center;gap:10px;
    margin-top:auto;padding-top:12px;
    border-top:1px solid var(--line);
    font-size:12.5px;color:var(--ink-3);letter-spacing:.02em;
  }
  .card-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--ink-3);}
  .card-meta .arrow{margin-left:auto;color:var(--ink-2);transition:transform var(--t),color var(--t);}
  .card:hover .card-meta .arrow{transform:translateX(4px);color:var(--night);}

  /* ---------- 自查清单 ---------- */
  .checklist{
    margin-top:40px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:28px 26px;
    box-shadow:var(--sh-1);
  }
  .checklist h3{
    font-size:19px;font-weight:600;margin-bottom:6px;
  }
  .checklist .hint{font-size:14px;color:var(--ink-2);margin-bottom:18px;}
  .checklist ul{display:flex;flex-direction:column;gap:0;}
  .checklist li{
    display:flex;align-items:flex-start;gap:12px;
    padding:14px 0;
    border-bottom:1px dashed var(--line);
    font-size:15px;color:var(--ink);
  }
  .checklist li:last-child{border-bottom:0;padding-bottom:0;}
  .checklist li i{
    flex:0 0 auto;
    margin-top:6px;
    color:#5d8a10;
    font-size:14px;
  }
  .checklist li span small{display:block;font-size:13.5px;color:var(--ink-2);margin-top:2px;}

  /* ---------- 侧栏 ---------- */
  .side-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:22px;
    box-shadow:var(--sh-1);
    margin-bottom:24px;
  }
  .side-card h3{
    font-size:16px;font-weight:700;margin-bottom:14px;
    display:flex;align-items:center;gap:8px;
  }
  .side-card h3::before{
    content:"";width:8px;height:8px;border-radius:3px;background:var(--lime);
  }
  .quick-list{display:flex;flex-direction:column;}
  .quick-list a{
    display:flex;align-items:center;gap:10px;
    padding:11px 4px;
    font-size:14.5px;color:var(--ink-2);
    border-bottom:1px solid var(--line);
    transition:color var(--t),padding-left var(--t);
  }
  .quick-list a:last-child{border-bottom:0;}
  .quick-list a::before{
    content:"";width:6px;height:6px;border-radius:50%;
    background:var(--line);flex:0 0 auto;
    transition:background var(--t),transform var(--t);
  }
  .quick-list a:hover{color:var(--ink);padding-left:8px;}
  .quick-list a:hover::before{background:var(--lime);transform:scale(1.3);}

  .side-cta{
    background:var(--night);
    border:1px solid var(--line-dark);
    border-radius:var(--r-card);
    padding:24px 22px;
    color:var(--mist);
    box-shadow:var(--sh-2);
  }
  .side-cta h3{color:#fff;font-size:17px;font-weight:700;margin-bottom:8px;}
  .side-cta p{font-size:14px;line-height:1.8;color:rgba(244,247,242,.72);margin-bottom:16px;}
  .side-cta .btn-ghost{border-color:rgba(200,245,60,.45);color:var(--lime);}
  .side-cta .btn-ghost:hover{background:var(--lime);color:var(--night);border-color:var(--lime);}

  /* ---------- 底部 CTA ---------- */
  .cta-band{
    position:relative;
    background:var(--night-2);
    color:var(--mist);
    padding:56px 0;
    overflow:hidden;
    clip-path:polygon(0 26px,100% 0,100% 100%,0 100%);
  }
  .cta-band::after{
    content:"";position:absolute;inset:0;
    background:radial-gradient(50% 90% at 88% 50%,rgba(200,245,60,.14),transparent 64%);
    pointer-events:none;
  }
  .cta-inner{
    position:relative;z-index:2;
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
    gap:24px;
    padding-top:16px;
  }
  .cta-inner h2{
    font-size:clamp(20px,2.6vw,26px);
    font-weight:700;color:#fff;margin-bottom:8px;
  }
  .cta-inner p{font-size:15px;color:rgba(244,247,242,.74);margin:0;max-width:620px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--night);
    color:rgba(244,247,242,.70);
    padding-top:72px;
    margin-top:0;
    border-top:1px solid var(--line-dark);
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:36px;
    padding-bottom:44px;
  }
  @media(min-width:640px){
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  }
  @media(min-width:1024px){
    .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
  }
  .footer-brand p{font-size:14px;line-height:1.85;margin:16px 0 18px;max-width:320px;}
  .footer-brand .logo-text{color:#fff;}
  .footer-social{display:flex;gap:10px;}
  .footer-social a{
    width:40px;height:40px;
    display:grid;place-items:center;
    border-radius:12px;
    border:1px solid rgba(244,247,242,.20);
    color:rgba(244,247,242,.78);
    transition:border-color var(--t),color var(--t),background var(--t),transform var(--t);
  }
  .footer-social a:hover{border-color:var(--lime);color:var(--lime);background:rgba(200,245,60,.08);transform:translateY(-2px);}
  .footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
  .footer-col ul{display:flex;flex-direction:column;gap:11px;}
  .footer-col a{
    font-size:14px;
    color:rgba(244,247,242,.68);
    display:inline-block;
    transition:color var(--t),transform var(--t);
  }
  .footer-col a:hover{color:#fff;transform:translateX(2px);}
  .footer-sub p{font-size:14px;line-height:1.8;margin-bottom:14px;}
  .footer-form{display:flex;flex-direction:column;gap:10px;}
  .footer-form input{
    width:100%;
    min-height:46px;
    padding:0 16px;
    border-radius:var(--r-input);
    border:1px solid rgba(244,247,242,.22);
    background:rgba(244,247,242,.06);
    color:#fff;
    font-size:14px;
    outline:none;
    transition:border-color var(--t),background var(--t),box-shadow var(--t);
  }
  .footer-form input::placeholder{color:rgba(244,247,242,.48);}
  .footer-form input:focus{
    border-color:var(--lime);
    background:rgba(200,245,60,.08);
    box-shadow:0 0 0 2px rgba(200,245,60,.35);
  }
  .footer-form .note{font-size:12.5px;color:rgba(244,247,242,.50);line-height:1.7;margin:0;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;align-items:center;gap:14px;
    padding:22px 0 32px;
    border-top:1px solid rgba(244,247,242,.14);
    font-size:13px;
    color:rgba(244,247,242,.55);
  }
  .footer-bottom .tech{margin-left:auto;letter-spacing:.02em;}
  .to-top{
    display:inline-flex;align-items:center;gap:8px;
    padding:8px 16px;border-radius:999px;
    border:1px solid rgba(200,245,60,.45);
    color:var(--lime);font-size:13px;
    transition:background var(--t),color var(--t),transform var(--t);
  }
  .to-top:hover{background:var(--lime);color:var(--night);transform:translateY(-2px);}
  @media(max-width:600px){
    .footer-bottom .tech{margin-left:0;width:100%;}
  }

  /* 锚点滚动留白 */
  [id^="q"]{scroll-margin-top:100px;}

  @media (prefers-reduced-motion: reduce){
    *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  }