/* roulang page: index */
:root{
      --blue:#3c71e8;
      --blue-dark:#2453c8;
      --blue-soft:#eaf1ff;
      --cyan:#27b6bd;
      --violet:#8069df;
      --ink:#17253f;
      --text:#33415d;
      --muted:#71809b;
      --paper:#f7f9fc;
      --white:#fff;
      --line:#e2e9f3;
      --success:#259b78;
      --warning:#e59b3f;
      --radius:18px;
      --radius-sm:12px;
      --shadow:0 14px 38px rgba(42,72,126,.09);
      --shadow-hover:0 18px 44px rgba(42,72,126,.16);
      --container:1180px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.7;font-size:15px;padding-bottom:82px}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(60,113,232,.35);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
    .brand-row{min-height:76px;display:flex;align-items:center;gap:26px}
    .brand{display:flex;align-items:center;gap:12px;min-width:290px;color:var(--ink);font-weight:800;letter-spacing:-.5px}
    .brand-mark{width:40px;height:40px;border-radius:13px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:19px;box-shadow:0 8px 18px rgba(60,113,232,.25)}
    .brand-name{font-size:17px;white-space:nowrap}
    .search{flex:1;max-width:410px;position:relative}
    .search input{width:100%;height:42px;border:1px solid var(--line);border-radius:12px;background:#f8faff;padding:0 44px 0 15px;color:var(--ink);transition:.2s}
    .search input:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(60,113,232,.1)}
    .search button{position:absolute;right:5px;top:5px;width:32px;height:32px;border:0;border-radius:9px;background:var(--blue-soft);color:var(--blue);font-size:17px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:11px;border:1px solid transparent;font-weight:700;transition:.2s}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(60,113,232,.2)}
    .btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(60,113,232,.27)}
    .btn-light{background:#fff;color:var(--blue);border-color:#cbdafa}
    .btn-light:hover{background:var(--blue-soft);border-color:var(--blue)}
    .channel-row{border-top:1px solid #f0f3f8;overflow:hidden}
    .channels{display:flex;gap:8px;overflow-x:auto;padding:11px 0;scrollbar-width:none}
    .channels::-webkit-scrollbar{display:none}
    .channel{white-space:nowrap;padding:7px 14px;border-radius:999px;color:var(--muted);font-size:13px;transition:.2s}
    .channel:hover{color:var(--blue);background:var(--blue-soft)}
    .channel.active{color:var(--blue);background:var(--blue-soft);font-weight:700}
    .hero{padding:54px 0 66px}
    .hero-wrap{position:relative;overflow:hidden;border-radius:26px;background:#192b4c;min-height:475px;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;padding:58px 64px;box-shadow:var(--shadow)}
    .hero-wrap::before{content:"";position:absolute;width:470px;height:470px;right:22%;top:-230px;border-radius:50%;background:rgba(73,139,255,.18)}
    .hero-copy,.poster-stage{position:relative;z-index:1}
    .eyebrow,.section-kicker{font-size:12px;font-weight:800;letter-spacing:1.6px;text-transform:uppercase;color:var(--cyan)}
    .hero h1{font-size:clamp(34px,5vw,62px);line-height:1.16;letter-spacing:-2px;color:#fff;margin:15px 0 20px;max-width:650px}
    .hero h1 span{color:#8fdde1}
    .hero p{color:#c8d5e9;max-width:580px;font-size:16px;margin:0 0 28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .hero-meta{display:flex;gap:25px;margin-top:31px;color:#aabbd6;font-size:13px}
    .hero-meta strong{display:block;color:#fff;font-size:18px;line-height:1.2}
    .poster-stage{height:355px;display:flex;justify-content:center;align-items:center}
    .poster{width:205px;height:300px;border-radius:16px;transform:rotate(-7deg);background:linear-gradient(145deg,#ffbf70 0%,#df697b 43%,#4a4ec1 100%);box-shadow:20px 22px 28px rgba(0,0,0,.26);padding:22px;color:#fff;position:relative;overflow:hidden}
    .poster::before{content:"";position:absolute;width:170px;height:170px;border:1px solid rgba(255,255,255,.5);border-radius:50%;right:-40px;top:35px;box-shadow:0 0 0 22px rgba(255,255,255,.1),0 0 0 45px rgba(255,255,255,.08)}
    .poster::after{content:"";position:absolute;width:80px;height:80px;background:#ffd99b;border-radius:50%;right:18px;top:74px;opacity:.8}
    .poster small{position:relative;z-index:2;letter-spacing:2px}
    .poster h3{position:absolute;z-index:2;bottom:23px;left:22px;margin:0;font-size:25px;line-height:1.25}
    .poster-back{width:155px;height:245px;margin-left:-35px;transform:rotate(10deg) translateY(10px);border-radius:15px;background:linear-gradient(145deg,#8fdde1,#5579e5 55%,#8069df);opacity:.8;box-shadow:10px 18px 25px rgba(0,0,0,.2)}
    .section{padding:78px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
    .section-head h2{font-size:30px;line-height:1.25;color:var(--ink);margin:8px 0 0;letter-spacing:-.8px}
    .section-head p{max-width:570px;color:var(--muted);margin:0}
    .link-arrow{color:var(--blue);font-weight:700;white-space:nowrap}
    .benefits{display:grid;grid-template-columns:1.15fr 1fr .9fr;gap:16px}
    .benefit{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow);transition:.25s}
    .benefit:hover,.content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
    .benefit:first-child{background:var(--blue);color:#fff;border-color:var(--blue)}
    .benefit:first-child h3,.benefit:first-child p{color:#fff}
    .number{font-size:13px;font-weight:800;color:var(--blue);margin-bottom:21px}
    .benefit:first-child .number{color:#a7e8e4}
    .benefit h3{color:var(--ink);font-size:19px;margin:0 0 9px}
    .benefit p{color:var(--muted);margin:0;font-size:14px}
    .mini-list{margin:18px 0 0;padding:0;list-style:none;display:grid;gap:8px;font-size:13px}
    .mini-list li::before{content:"✓";color:var(--cyan);font-weight:800;margin-right:8px}
    .showcase{background:#edf3ff}
    .showcase-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:20px;align-items:stretch}
    .feature-panel{background:#fff;border-radius:var(--radius);padding:18px;border:1px solid var(--line);display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .cover-large{min-height:290px;border-radius:14px;padding:23px;color:#fff;display:flex;flex-direction:column;justify-content:end;background:linear-gradient(145deg,#4e8ef1,#1b3260 63%,#ee9b83);position:relative;overflow:hidden}
    .cover-large::before{content:"";position:absolute;width:250px;height:250px;border:2px solid rgba(255,255,255,.28);border-radius:50%;right:-70px;top:-50px}
    .cover-large > *{position:relative}
    .cover-large h3{font-size:25px;line-height:1.25;margin:9px 0}
    .cover-large p{font-size:13px;color:#e6eefc;margin:0}
    .badge{display:inline-flex;width:max-content;align-items:center;padding:5px 9px;border-radius:7px;background:var(--blue-soft);color:var(--blue);font-size:11px;font-weight:800}
    .badge.dark{background:rgba(255,255,255,.18);color:#fff}
    .browse-list{display:flex;flex-direction:column;justify-content:space-between}
    .browse-list h3{color:var(--ink);margin:5px 0 14px;font-size:17px}
    .browse-item{display:flex;gap:11px;padding:12px 0;border-bottom:1px solid var(--line);font-size:13px}
    .browse-item:last-child{border-bottom:0}
    .dot{width:8px;height:8px;background:var(--cyan);border-radius:50%;margin-top:8px;flex:none}
    .browse-item strong{display:block;color:var(--ink);font-size:14px}
    .browse-item span{color:var(--muted)}
    .side-note{background:var(--ink);color:#fff;border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;justify-content:space-between}
    .side-note h3{font-size:22px;line-height:1.35;margin:14px 0}
    .side-note p{color:#b9c7dc;font-size:14px;margin:0}
    .side-note .route{border-top:1px solid rgba(255,255,255,.16);margin-top:28px;padding-top:18px;color:#b9c7dc;font-size:13px}
    .route b{display:block;color:#fff;margin-bottom:7px}
    .trust{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .status-card,.quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow)}
    .status-card h3,.quote-card h3{color:var(--ink);margin:0 0 17px;font-size:19px}
    .status-row{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}
    .status-row:last-child{border-bottom:0}
    .status-icon{width:32px;height:32px;border-radius:10px;background:#e9f8f4;color:var(--success);display:grid;place-items:center;font-weight:800}
    .status-row strong{display:block;color:var(--ink);font-size:14px}
    .status-row span{font-size:12px;color:var(--muted)}
    .quote-card{background:#f4f0ff;border-color:#e5dcff}
    .quote-card p{font-size:19px;line-height:1.65;color:#453d70;margin:12px 0 22px}
    .quote-foot{display:flex;gap:8px;flex-wrap:wrap}
    .quote-foot span{background:#fff;color:#7567ad;border-radius:999px;padding:5px 10px;font-size:12px}
    .updates{background:#fff}
    .update-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .update-list{border-top:1px solid var(--line)}
    .update-item{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}
    .update-item a{color:var(--ink);font-weight:700}
    .update-item a:hover{color:var(--blue)}
    .update-item time{color:var(--muted);font-size:12px;white-space:nowrap}
    .guide{background:#f8fbff}
    .guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:21px;background:#fff;border:1px solid var(--line);border-radius:14px}
    .step b{display:grid;place-items:center;width:30px;height:30px;background:var(--blue-soft);color:var(--blue);border-radius:9px;margin-bottom:16px}
    .step h3{font-size:16px;color:var(--ink);margin:0 0 7px}
    .step p{margin:0;color:var(--muted);font-size:13px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
    details{background:#fff;border:1px solid var(--line);border-radius:13px;padding:0 18px;transition:.2s}
    details[open]{border-color:#b8caf5;box-shadow:var(--shadow)}
    summary{cursor:pointer;list-style:none;padding:18px 0;color:var(--ink);font-weight:700}
    summary::-webkit-details-marker{display:none}
    summary::after{content:"＋";float:right;color:var(--blue);font-size:20px;font-weight:400}
    details[open] summary::after{content:"－"}
    details p{color:var(--muted);font-size:14px;margin:0 0 18px}
    .cta{padding:60px 0}
    .cta-box{background:var(--blue);border-radius:22px;padding:38px 46px;display:flex;align-items:center;justify-content:space-between;gap:25px;color:#fff}
    .cta-box h2{margin:0 0 8px;font-size:28px}
    .cta-box p{margin:0;color:#dce7ff}
    .cta-box .btn{background:#fff;color:var(--blue)}
    .footer{background:#14233e;color:#b4c3d9;padding:43px 0 95px}
    .footer-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr;gap:35px}
    .footer .brand{color:#fff;margin-bottom:14px}
    .footer .brand-mark{background:#fff;color:var(--blue)}
    .footer p{font-size:13px;max-width:420px;margin:0}
    .footer h3{color:#fff;font-size:14px;margin:0 0 13px}
    .footer a{display:block;font-size:13px;margin:7px 0;color:#b4c3d9}
    .footer a:hover{color:#fff}
    .copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:30px;padding-top:19px;font-size:12px;color:#879ab5}
    .float-bar{position:fixed;z-index:30;left:0;right:0;bottom:0;background:rgba(255,255,255,.97);border-top:1px solid var(--line);box-shadow:0 -8px 26px rgba(30,55,100,.09)}
    .float-inner{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .float-tip{display:flex;align-items:center;gap:12px;color:var(--ink);font-weight:700}
    .live-dot{width:9px;height:9px;border-radius:50%;background:var(--success);box-shadow:0 0 0 5px #e4f6f0}
    .float-tip small{display:block;color:var(--muted);font-weight:400}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;width:40px;height:40px;color:var(--blue)}
    @media(max-width:1024px){
      .brand{min-width:240px}.hero-wrap{padding:46px 42px}.poster-stage{transform:scale(.9)}
      .benefits{grid-template-columns:1fr 1fr}.benefit:first-child{grid-column:span 2}
      .guide-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      body{padding-bottom:126px}.container{width:min(100% - 32px,var(--container))}
      .brand-row{min-height:66px;gap:10px}.brand{min-width:0;flex:1}.brand-name{font-size:14px;white-space:normal;line-height:1.25}
      .brand-mark{width:35px;height:35px;border-radius:10px;font-size:16px}.search{max-width:42px}.search input{width:42px;padding:0;font-size:0}.search button{inset:5px;position:absolute}
      .topbar > .container > .brand-row > .btn{display:none}.menu-btn{display:block}
      .hero{padding:28px 0 38px}.hero-wrap{grid-template-columns:1fr;padding:38px 25px 20px;min-height:0}.hero h1{font-size:37px;letter-spacing:-1px}.hero p{font-size:15px}
      .poster-stage{height:300px;margin-top:8px}.poster{width:170px;height:250px}.poster-back{width:130px;height:210px}
      .section{padding:52px 0}.section-head{display:block}.section-head p{margin-top:12px}.section-head h2{font-size:26px}
      .benefits,.showcase-grid,.trust,.update-grid,.faq-grid{grid-template-columns:1fr}.benefit:first-child{grid-column:auto}
      .feature-panel{grid-template-columns:1fr}.cover-large{min-height:240px}.side-note{min-height:220px}
      .cta-box{display:block;padding:31px 25px}.cta-box h2{font-size:24px}.cta-box .btn{margin-top:20px;width:100%}
      .footer-grid{grid-template-columns:1fr 1fr}.footer-grid > div:first-child{grid-column:span 2}
      .float-inner{min-height:80px;padding:10px 0}.float-tip{font-size:13px}.float-tip small{font-size:11px}.float-inner .btn{min-height:42px;padding:0 13px;font-size:13px}
    }
    @media(max-width:520px){
      .hero-actions .btn{width:100%}.hero-meta{gap:15px;flex-wrap:wrap}.hero-meta strong{font-size:16px}
      .guide-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid > div:first-child{grid-column:auto}
      .float-tip{max-width:170px}.float-tip small{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    }

/* roulang page: category1 */
:root{
 --blue:#3c71e8;--blue-dark:#2453c8;--blue-soft:#eaf1ff;--cyan:#27b6bd;
 --violet:#8069df;--ink:#17253f;--text:#33415d;--muted:#71809b;
 --paper:#f7f9fc;--white:#fff;--line:#e2e9f3;--success:#259b78;
 --warning:#e59b3f;--radius:18px;--radius-sm:12px;
 --shadow:0 14px 38px rgba(42,72,126,.09);
 --shadow-hover:0 18px 44px rgba(42,72,126,.16);--container:1180px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.7;font-size:15px;padding-bottom:82px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,select{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand-row{min-height:76px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:12px;min-width:290px;color:var(--ink);font-weight:800;letter-spacing:-.5px}
.brand-mark{width:40px;height:40px;border-radius:13px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:19px;box-shadow:0 8px 18px rgba(60,113,232,.25)}
.brand-name{font-size:17px;white-space:nowrap}
.search{flex:1;max-width:410px;position:relative}
.search input{width:100%;height:42px;border:1px solid var(--line);border-radius:12px;background:#f8faff;padding:0 44px 0 15px;color:var(--ink);transition:.2s}
.search input:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(60,113,232,.1);outline:none}
.search button{position:absolute;right:5px;top:5px;width:32px;height:32px;border:0;border-radius:9px;background:var(--blue-soft);color:var(--blue);font-size:17px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:11px;border:1px solid transparent;font-weight:700;transition:.2s}
.btn:focus,.channel:focus,.filter:focus,.footer a:focus{outline:3px solid rgba(60,113,232,.25);outline-offset:3px}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(60,113,232,.2)}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(60,113,232,.27)}
.btn-light{background:#fff;color:var(--blue);border-color:#cbdafa}
.btn-light:hover{background:var(--blue-soft);border-color:var(--blue)}
.channel-row{border-top:1px solid #f0f3f8;overflow:hidden}
.channels{display:flex;gap:8px;overflow-x:auto;padding:11px 0;scrollbar-width:none}
.channels::-webkit-scrollbar{display:none}
.channel{flex:0 0 auto;padding:7px 15px;border-radius:9px;color:var(--muted);font-weight:700;transition:.2s}
.channel:hover{background:var(--blue-soft);color:var(--blue)}
.channel.active{background:var(--blue);color:#fff;box-shadow:0 6px 14px rgba(60,113,232,.18)}
.menu-btn{display:none;background:var(--blue-soft);border:0;color:var(--blue);border-radius:10px;width:42px;height:42px;font-size:20px}
.page-head{padding:48px 0 30px}
.breadcrumb{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:18px}
.breadcrumb a:hover{color:var(--blue)}
.head-grid{display:grid;grid-template-columns:1fr 365px;gap:34px;align-items:end}
.kicker,.section-kicker{font-size:12px;font-weight:800;letter-spacing:1.6px;color:var(--cyan)}
.page-head h1{font-size:clamp(32px,5vw,52px);line-height:1.2;letter-spacing:-1.8px;color:var(--ink);margin:12px 0 15px}
.page-head h1 span{color:var(--blue)}
.lead{max-width:700px;color:var(--muted);font-size:16px;margin:0}
.sort-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.sort-panel small{display:block;color:var(--muted);font-weight:700;margin-bottom:8px}
.sort-panel select{width:100%;height:42px;border:1px solid var(--line);border-radius:10px;color:var(--ink);padding:0 12px;background:#f8faff}
.sort-meta{display:flex;justify-content:space-between;margin-top:13px;color:var(--muted);font-size:12px}
.filter-section{padding:12px 0 34px}
.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 17px;box-shadow:var(--shadow)}
.filter-label{font-weight:800;color:var(--ink);margin-right:4px}
.filter{border:1px solid var(--line);background:#f8faff;color:var(--muted);border-radius:9px;padding:7px 13px;transition:.2s}
.filter:hover,.filter.active{border-color:var(--blue);background:var(--blue-soft);color:var(--blue)}
.section{padding:42px 0 78px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:25px}
.section-head h2{font-size:29px;line-height:1.25;color:var(--ink);margin:8px 0 0;letter-spacing:-.8px}
.section-head p{max-width:570px;color:var(--muted);margin:0}
.feature-layout{display:grid;grid-template-columns:1.34fr .66fr;gap:20px}
.feature-card{background:#192b4c;color:#fff;border-radius:var(--radius);padding:25px;min-height:280px;display:grid;grid-template-columns:1fr 190px;gap:20px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.feature-card:after{content:"";position:absolute;width:280px;height:280px;border-radius:50%;right:-100px;bottom:-135px;background:rgba(39,182,189,.18)}
.feature-card h3{font-size:25px;line-height:1.35;margin:16px 0 10px;position:relative;z-index:1}
.feature-card p{color:#c8d5e9;margin:0 0 18px;position:relative;z-index:1}
.cover{min-height:150px;border-radius:13px;position:relative;overflow:hidden;background:linear-gradient(145deg,#6e8eea,#b8dbe7 48%,#8069df);box-shadow:inset 0 0 0 1px rgba(255,255,255,.2)}
.cover:before{content:"";position:absolute;width:110px;height:160px;background:rgba(255,255,255,.25);right:-23px;top:20px;transform:rotate(24deg);border-radius:55% 18% 40% 20%}
.cover:after{content:"主题精选";position:absolute;left:13px;bottom:12px;color:#fff;font-size:12px;font-weight:800;letter-spacing:1px}
.feature-card .cover{align-self:center;height:205px}
.badge{display:inline-flex;width:max-content;align-items:center;padding:5px 9px;border-radius:7px;background:var(--blue-soft);color:var(--blue);font-size:11px;font-weight:800}
.badge.dark{background:rgba(255,255,255,.18);color:#fff}
.mini-stack{display:grid;gap:12px}
.mini-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:17px;box-shadow:var(--shadow);transition:.2s}
.mini-card:hover,.theme-card:hover,.path-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.mini-card strong{display:block;color:var(--ink);font-size:16px;margin:7px 0 3px}
.mini-card p{margin:0;color:var(--muted);font-size:13px}
.theme-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.theme-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.2s}
.theme-card .cover{height:148px;border-radius:0}
.theme-card:nth-child(2) .cover{background:linear-gradient(145deg,#efb56f,#e98fa6 52%,#765ec9)}
.theme-card:nth-child(3) .cover{background:linear-gradient(145deg,#55bfae,#8ed4e3 50%,#3c71e8)}
.theme-card:nth-child(4) .cover{background:linear-gradient(145deg,#d68ee1,#9c9ae8 52%,#5d77d8)}
.theme-card:nth-child(5) .cover{background:linear-gradient(145deg,#557cc7,#7d9bd7 50%,#e2b977)}
.card-body{padding:17px}
.card-body h3{font-size:17px;color:var(--ink);margin:10px 0 6px}
.card-body p{font-size:13px;color:var(--muted);margin:0 0 13px}
.card-foot{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}
.card-foot a{color:var(--blue);font-weight:800}
.card-foot a:hover{color:var(--blue-dark)}
.path-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.path-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:.2s}
.path-card h3{color:var(--ink);margin:0 0 15px;font-size:19px}
.path-list{list-style:none;padding:0;margin:0;display:grid;gap:13px}
.path-list li{display:flex;gap:12px;align-items:flex-start;padding-bottom:12px;border-bottom:1px solid var(--line)}
.path-list li:last-child{border-bottom:0;padding-bottom:0}
.number{flex:0 0 28px;height:28px;border-radius:9px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-weight:800;font-size:12px}
.path-list strong{display:block;color:var(--ink);font-size:14px}
.path-list span{display:block;color:var(--muted);font-size:12px}
.feedback{background:#f4f0ff;border:1px solid #e5dcff;border-radius:var(--radius);padding:27px;display:grid;grid-template-columns:1fr 1fr;gap:22px}
.feedback h2{color:#453d70;margin:0 0 9px;font-size:25px}
.feedback p{color:#665c8e;margin:0}
.signal-list{display:grid;gap:10px}
.signal{background:#fff;border-radius:11px;padding:12px 14px;display:flex;justify-content:space-between;gap:15px;color:var(--ink);font-size:13px}
.signal span{color:var(--success);font-weight:800;white-space:nowrap}
.faq-section{padding:10px 0 74px}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.faq-item summary{cursor:pointer;list-style:none;padding:17px 19px;color:var(--ink);font-weight:800;position:relative;padding-right:45px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"＋";position:absolute;right:18px;color:var(--blue);font-size:20px;top:13px}
.faq-item[open] summary:after{content:"－"}
.faq-answer{padding:0 19px 17px;color:var(--muted);font-size:14px}
.cta{padding:0 0 66px}
.cta-box{background:var(--blue);border-radius:22px;padding:34px 42px;display:flex;align-items:center;justify-content:space-between;gap:25px;color:#fff;box-shadow:var(--shadow)}
.cta-box h2{margin:0 0 8px;font-size:27px}
.cta-box p{margin:0;color:#dbe7ff}
.cta-box .btn-light{background:#fff;border-color:#fff}
.footer{background:#fff;border-top:1px solid var(--line);padding:42px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.5fr .7fr .7fr;gap:35px}
.footer .brand{min-width:0;margin-bottom:13px}
.footer p{color:var(--muted);max-width:450px;margin:0}
.footer h3{color:var(--ink);font-size:14px;margin:4px 0 13px}
.footer-grid>div>a:not(.brand){display:block;color:var(--muted);font-size:13px;margin:7px 0}
.footer-grid>div>a:not(.brand):hover{color:var(--blue)}
.copyright{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;color:var(--muted);font-size:12px}
.fixed-cta{position:fixed;z-index:25;left:0;right:0;bottom:0;background:rgba(255,255,255,.97);border-top:1px solid var(--line);box-shadow:0 -8px 25px rgba(42,72,126,.08)}
.fixed-inner{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.fixed-note{display:flex;align-items:center;gap:11px;color:var(--ink);font-weight:700}
.live-dot{width:9px;height:9px;background:var(--success);border-radius:50%;box-shadow:0 0 0 5px rgba(37,155,120,.12)}
.empty-state{display:none;border:1px dashed #b9c8df;background:#fff;border-radius:var(--radius);padding:35px;text-align:center;color:var(--muted)}
@media(max-width:1024px){
 .brand-row{gap:15px}.brand{min-width:245px}.brand-name{font-size:15px}
 .head-grid,.feature-layout{grid-template-columns:1fr}.theme-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:768px){
 body{padding-bottom:126px}.container{width:min(var(--container),calc(100% - 32px))}
 .brand-row{min-height:68px}.brand{min-width:0;flex:1}.brand-name{font-size:14px;white-space:normal;line-height:1.25}
 .brand-mark{width:36px;height:36px;flex:0 0 36px}.search{max-width:42px;flex:0 0 42px}.search input{position:absolute;right:0;width:42px;opacity:0;cursor:pointer}.search input:focus{width:220px;opacity:1;z-index:2}.search button{z-index:3}
 .brand-row>.btn{display:none}.menu-btn{display:block}
 .page-head{padding-top:32px}.head-grid{gap:22px}.theme-grid{grid-template-columns:repeat(2,1fr)}
 .feature-card{grid-template-columns:1fr}.feature-card .cover{height:130px;min-height:130px}
 .path-layout,.feedback,.faq-grid{grid-template-columns:1fr}.section{padding:34px 0 58px}
 .section-head{display:block}.section-head p{margin-top:8px}.cta-box{display:block;padding:28px 24px}.cta-box .btn{margin-top:20px;width:100%}
 .fixed-inner{min-height:104px;padding:12px 0;display:grid;grid-template-columns:1fr auto}.fixed-inner .btn{grid-column:1/-1;width:100%;min-height:42px}
}
@media(max-width:520px){
 .filter-bar{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}.filter-bar::-webkit-scrollbar{display:none}.filter-label{flex:0 0 auto}
 .theme-grid{grid-template-columns:1fr}.theme-card .cover{height:175px}
 .page-head h1{font-size:34px}.lead{font-size:15px}.sort-panel{padding:16px}
 .footer-grid{grid-template-columns:1fr;gap:20px}.copyright{line-height:1.6}
}