@charset "utf-8";

/* ===== 全局重置 ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

/* ===== CSS变量——紫色FM广播剧风格 ===== */
:root{
    --pri:#6C5CE7;
    --pri-dark:#5545D1;
    --pri-light:rgba(108,92,231,0.08);
    --pri-grad:linear-gradient(135deg,#6C5CE7,#9B8CF0);
    --bg:#fff;
    --bg-soft:#F8F7FC;
    --bg-dark:#1B182E;
    --txt:#201C38;
    --txt-soft:#585470;
    --txt-muted:#9693A8;
    --line:#E8E5F2;
    --r:12px;
    --rs:8px;
    --mw:1200px;
    --sh:0 4px 20px rgba(0,0,0,.04);
    --sh-hover:0 12px 36px rgba(0,0,0,.08);
    --ff:system-ui,-apple-system,"Microsoft YaHei","PingFang SC",sans-serif;
}

html{scroll-behavior:smooth}
body{font-family:var(--ff);font-size:16px;line-height:1.8;color:var(--txt);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:var(--txt);text-decoration:none;transition:color .2s}a:hover{color:var(--pri)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1{font-size:2rem}h2{font-size:1.6rem}h3{font-size:1.2rem}h4{font-size:1.05rem}
h1,h2,h3,h4{line-height:1.35;color:var(--txt)}

/* ===== 布局容器 ===== */
.wrap{max-width:var(--mw);margin:0 auto;padding:0 24px}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;gap:6px;padding:13px 32px;border-radius:50px;font-size:15px;font-weight:600;cursor:pointer;transition:all .25s;border:none;text-align:center}
.btn-fill{background:var(--pri);color:#fff}.btn-fill:hover{background:var(--pri-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 24px rgba(108,92,231,.3)}
.btn-line{border:2px solid var(--pri);color:var(--pri);background:transparent}.btn-line:hover{background:var(--pri);color:#fff}
.btn-white{background:#fff;color:var(--pri)}.btn-white:hover{background:var(--pri);color:#fff}

/* ===== 通用区块 ===== */
.sec{padding:76px 0}
.sec-soft{background:var(--bg-soft)}
.sec-dark{background:var(--bg-dark);color:#fff}
.sec-hd{text-align:center;margin-bottom:44px}
.sec-hd h2{font-size:1.75rem;margin-bottom:8px}
.sec-hd p{color:var(--txt-muted);font-size:15px;max-width:600px;margin:0 auto}

/* ===== 顶栏 ===== */
.topbar{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.topbar-row{display:flex;align-items:center;justify-content:space-between;height:66px}
.topbar-logo{display:flex;align-items:center;gap:10px;font-size:1.2rem;font-weight:700}
.topbar-logo img{height:40px}
.topbar-nav{display:flex;align-items:center}
.topbar-menu{display:flex;align-items:center;gap:2px}
.topbar-menu li a{padding:8px 15px;border-radius:var(--rs);font-size:15px;font-weight:500;transition:all .2s}
.topbar-menu li a:hover,.topbar-menu li a.on{background:var(--pri-light);color:var(--pri)}
.topbar-menu li.has-sub{position:relative}
.topbar-menu li.has-sub>a::after{content:'\f107';font-family:FontAwesome;margin-left:4px;font-size:12px}
.topbar-sub{position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-hover);min-width:150px;opacity:0;visibility:hidden;transform:translateY(6px);transition:all .2s;padding:6px 0;z-index:1010}
.topbar-menu li.has-sub:hover .topbar-sub{opacity:1;visibility:visible;transform:translateY(0)}
.topbar-sub a{display:block;padding:8px 20px;font-size:14px}.topbar-sub a:hover{background:var(--bg-soft)}
.topbar-dl{display:inline-flex;padding:9px 22px;background:var(--pri);color:#fff;border-radius:50px;font-size:14px;font-weight:600;margin-left:12px;transition:all .2s}
.topbar-dl:hover{background:var(--pri-dark);color:#fff}
.topbar-hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.topbar-hamburger span{display:block;width:22px;height:2px;background:var(--txt);border-radius:1px;transition:all .25s}
.topbar-hamburger.on span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.topbar-hamburger.on span:nth-child(2){opacity:0}
.topbar-hamburger.on span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ===== 栏目头部 ===== */
.lanmu-section-header{background:var(--pri-grad);padding:52px 0;text-align:center;color:#fff}
.lanmu-section-header h1{font-size:1.8rem;color:#fff;margin-bottom:6px}
.lanmu-section-header p{font-size:15px;max-width:640px;margin:0 auto;opacity:.88}

/* ===== 面包屑 ===== */
.breadcrumb{max-width:var(--mw);margin:0 auto;padding:12px 24px;display:flex;align-items:center;gap:6px;font-size:13px;color:var(--txt-muted);flex-wrap:wrap}
.breadcrumb svg{flex-shrink:0;color:var(--pri)}
.breadcrumb a{color:var(--txt-muted)}.breadcrumb a:hover{color:var(--pri)}

/* ===== 左右两栏 ===== */
.page-layout{max-width:var(--mw);margin:0 auto;padding:32px 24px;display:grid;grid-template-columns:1fr 320px;gap:32px}
.page-main{min-width:0}
.page-side{flex-shrink:0}

/* ===== 侧边栏 ===== */
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;margin-bottom:20px}
.side-card h4{font-size:16px;margin-bottom:12px;padding-bottom:10px;border-bottom:2px solid var(--pri)}
.side-item{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}
.side-item:last-child{border-bottom:none}
.side-item a{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.side-item span{font-size:12px;color:var(--txt-muted);flex-shrink:0}

/* ===== 列表项(缩略图+标题+描述+时间+阅读) ===== */
.list-item{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.list-item:last-child{border-bottom:none}
.list-thumb{flex-shrink:0;width:160px;height:100px;border-radius:var(--rs);overflow:hidden;display:block;background:var(--bg-soft)}
.list-thumb img{width:100%;height:100%;object-fit:cover}
.list-info{flex:1;min-width:0}
.list-info .item-title{font-size:16px;font-weight:500;margin-bottom:4px}
.list-info .item-title a:hover{color:var(--pri)}
.item-desc{font-size:13px;color:var(--txt-soft);line-height:1.6;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.item-meta{display:flex;gap:16px;font-size:12px;color:var(--txt-muted)}
.item-meta i{margin-right:3px}
.item-time{font-size:13px;color:var(--txt-muted);flex-shrink:0}

/* ===== 卡片网格 ===== */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:all .3s}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh-hover);border-color:var(--pri)}
.card-img{height:190px;overflow:hidden;background:var(--bg-soft);position:relative}
.card-img::after{content:'\f04b';font-family:FontAwesome;position:absolute;center:50%;transform:translate(-50%,-50%);font-size:28px;color:rgba(255,255,255,.9);opacity:0;transition:opacity .3s;background:rgba(108,92,231,.5);width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.card:hover .card-img::after{opacity:1}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.card:hover .card-img img{transform:scale(1.05)}
.card-body{padding:18px}
.card-body h3{font-size:16px;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:13px;color:var(--txt-soft);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px}
.card-tag{display:inline-block;padding:4px 12px;background:var(--pri-light);color:var(--pri);border-radius:50px;font-size:12px;font-weight:500}

/* ===== 手风琴 ===== */
.faq-list{max-width:100%}
.faq-item{border:1px solid var(--line);border-radius:var(--r);margin-bottom:10px;overflow:hidden;background:#fff;transition:border-color .2s}
.faq-item:hover{border-color:var(--pri)}
.faq-q{padding:16px 20px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-weight:500;font-size:15px;transition:background .2s}
.faq-q:hover{background:var(--bg-soft)}
.faq-q i{transition:transform .25s;color:var(--pri)}
.faq-item.active .faq-q i{transform:rotate(45deg)}
.faq-item.active .faq-q{background:var(--pri-light);color:var(--pri)}
.faq-a{overflow:hidden;max-height:0;transition:max-height .3s ease;font-size:14px;color:var(--txt-soft);line-height:1.8}
.faq-item.active .faq-a{max-height:500px;padding:0 20px 16px}
.faq-a a{color:var(--pri);font-weight:500}

/* ===== 文章详情页 ===== */
.article-body{font-size:15px;line-height:2;padding:20px 0}
.article-meta{display:flex;gap:20px;align-items:center;padding:0 0 20px;border-bottom:1px solid var(--line);margin-bottom:20px;font-size:13px;color:var(--txt-muted)}
.article-meta i{margin-right:4px;color:var(--pri)}
.article-body p{margin-bottom:16px}
.article-body img{max-width:100%;border-radius:var(--r);margin:12px 0}
.article-nav{border-top:1px solid var(--line);margin-top:36px;padding-top:20px}
.article-nav ul{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.article-nav li{font-size:14px;flex:1;min-width:200px}
.article-nav a{color:var(--txt-soft)}.article-nav a:hover{color:var(--pri)}

/* ===== 单页富文本 ===== */
.single-content{max-width:860px;margin:0 auto;padding:32px 24px;font-size:15px;line-height:2}
.single-content h2{font-size:1.5rem;margin:32px 0 16px;padding-bottom:8px;border-bottom:2px solid var(--pri)}
.single-content h3{font-size:1.15rem;margin:24px 0 10px}
.single-content p{margin-bottom:16px}

/* ===== 特征卡片 ===== */
.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px 24px;transition:all .3s}
.feat:hover{transform:translateY(-5px);box-shadow:var(--sh-hover);border-color:var(--pri)}
.feat-icon{width:52px;height:52px;border-radius:var(--rs);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px;background:var(--pri-light);color:var(--pri)}
.feat h3{font-size:17px;margin-bottom:6px}
.feat p{font-size:14px;color:var(--txt-soft);line-height:1.7}

/* ===== 分页 ===== */
.pagebar{text-align:center;padding:32px 0}
.pagination{display:inline-flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:center}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 10px;border:1px solid var(--line);border-radius:var(--rs);font-size:13px;color:var(--txt);transition:all .2s}
.pagination a:hover{border-color:var(--pri);color:var(--pri);background:var(--pri-light)}
.pagination .page-num-current{background:var(--pri);border-color:var(--pri);color:#fff;font-weight:600}

/* ===== 新闻卡片(首页用) ===== */
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}
.news-card{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:all .3s;background:#fff}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.news-card-link{display:flex;flex-direction:column;height:100%}
.news-card-img{height:170px;overflow:hidden}
.news-card-img img{width:100%;height:100%;object-fit:cover}
.news-card-body{padding:16px;flex:1;display:flex;flex-direction:column}
.news-card-body h3{font-size:15px;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card-body p{font-size:13px;color:var(--txt-soft);flex:1;margin-bottom:6px}
.news-card-date{font-size:12px;color:var(--txt-muted)}

/* ===== Hero区 ===== */
.hero{background:var(--pri-grad);padding:88px 0 80px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-25%;right:-8%;width:420px;height:420px;background:radial-gradient(circle,rgba(255,255,255,.1),transparent 60%);border-radius:50%}
.hero::after{content:'';position:absolute;bottom:-15%;left:5%;width:200px;height:200px;background:radial-gradient(circle,rgba(255,255,255,.06),transparent 55%);border-radius:50%}
.hero-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;position:relative;z-index:1}
.hero-text h1{font-size:2.2rem;color:#fff;margin-bottom:14px;line-height:1.25}
.hero-sub{font-size:17px;color:rgba(255,255,255,.75);margin-bottom:26px;max-width:480px;line-height:1.7}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-trust{display:flex;gap:24px;margin-top:18px;font-size:13px;color:rgba(255,255,255,.6)}
.hero-visual img{border-radius:20px;box-shadow:0 20px 48px rgba(0,0,0,.2)}

/* ===== 场景卡片 ===== */
.scene-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px}
.scene{text-align:center;padding:32px 16px;border-radius:var(--r);background:#fff;border:1px solid var(--line);transition:all .3s}
.scene:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--pri)}
.scene-icon{font-size:36px;margin-bottom:12px}
.scene h4{font-size:16px;margin-bottom:4px}
.scene p{font-size:13px;color:var(--txt-soft)}

/* ===== 终端 ===== */
.terminal{max-width:700px;margin:0 auto;background:#0D0B1A;border-radius:var(--r);overflow:hidden;border:1px solid rgba(255,255,255,.06)}
.terminal-bar{background:rgba(255,255,255,.04);padding:10px 16px;display:flex;gap:8px}
.terminal-dot{width:10px;height:10px;border-radius:50%}
.terminal-dot:nth-child(1){background:#FF5F56}.terminal-dot:nth-child(2){background:#FFBD2E}.terminal-dot:nth-child(3){background:#27C93F}
.terminal-body{padding:22px 26px;font-family:'SF Mono',Consolas,monospace;font-size:13px;line-height:2;color:#C4B5FD;white-space:pre-wrap;max-height:300px;overflow-y:auto}

/* ===== 数据 ===== */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:24px;text-align:center}
.stat h3{font-size:2.4rem;color:#fff;margin-bottom:2px}
.stat p{font-size:14px;opacity:.8}

/* ===== 评价 ===== */
.review-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.review{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.review-avatar{width:44px;height:44px;border-radius:50%;background:var(--bg-soft);overflow:hidden}
.review-stars{color:#F59E0B;font-size:13px}
.review-text{font-size:14px;color:var(--txt-soft);line-height:1.8}

/* ===== 步骤 ===== */
.step-list{counter-reset:step}
.step-item{counter-increment:step;display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.step-item::before{content:counter(step);flex-shrink:0;width:38px;height:38px;border-radius:50%;background:var(--pri);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;color:#fff}

/* ===== 勾选列表 ===== */
.tick-list li{padding:8px 0;display:flex;align-items:center;gap:8px;font-size:15px}
.tick-list li::before{content:'\f00c';font-family:FontAwesome;color:var(--pri);font-size:13px}

/* ===== 底部CTA ===== */
.cta{text-align:center;padding:68px 0;background:var(--pri-grad);position:relative;overflow:hidden}
.cta::before{content:'';position:absolute;top:-30%;left:-5%;width:260px;height:260px;background:radial-gradient(circle,rgba(255,255,255,.08),transparent 60%);border-radius:50%}
.cta::after{content:'';position:absolute;bottom:-20%;right:-3%;width:180px;height:180px;background:radial-gradient(circle,rgba(255,255,255,.05),transparent 55%);border-radius:50%}
.cta-inner{max-width:620px;margin:0 auto;position:relative;z-index:1}
.cta-inner h2{font-size:1.65rem;color:#fff;margin-bottom:10px;font-weight:700}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.72);margin-bottom:28px;line-height:1.7}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta-btns .btn-fill{background:#fff;color:var(--pri);padding:15px 36px;font-size:16px;box-shadow:0 6px 24px rgba(0,0,0,.15)}
.cta-btns .btn-fill:hover{background:var(--pri-dark);color:#fff;box-shadow:0 8px 28px rgba(0,0,0,.2)}
.cta-btns .btn-line{border-color:rgba(255,255,255,.6);color:#fff;padding:15px 36px;font-size:16px}
.cta-btns .btn-line:hover{background:#fff;color:var(--pri);border-color:#fff}

/* ===== 页脚 ===== */
.site-footer{background:#1B182E;color:#B0ADC6;padding:52px 0 0}
.site-footer a{color:#B0ADC6}.site-footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.06)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col p,.footer-col li{font-size:13px;line-height:2.3}
.footer-bottom{text-align:center;padding:22px 0;font-size:12px;color:#6E6B80}
.footer-social{display:flex;gap:12px;margin-bottom:18px}
.footer-social a{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.06);font-size:15px;transition:all .2s}
.footer-social a:hover{background:var(--pri);color:#fff}
.footer-links{margin-top:10px}.footer-links a{font-size:12px;color:#6E6B80;margin-right:12px}

/* ===== 移动端 ===== */
.mobile-bar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:2000;padding:10px 16px 14px}
.mobile-bar-btn{width:100%;padding:15px;background:var(--pri);color:#fff;border:none;border-radius:50px;font-size:16px;font-weight:600;cursor:pointer;box-shadow:0 4px 24px rgba(108,92,231,.35)}
.mobile-menu{position:absolute;bottom:calc(100% + 15px);left:16px;right:16px;background:#fff;border-radius:var(--r);box-shadow:var(--sh-hover);padding:6px;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .2s}
.mobile-menu.open{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-menu a{display:flex;align-items:center;gap:10px;padding:14px 18px;border:2px solid var(--pri);border-radius:var(--rs);margin:4px 0;font-size:15px;font-weight:500;transition:all .2s}
.mobile-menu a:hover{background:var(--pri-light)}

/* ===== 遮罩 ===== */
.overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.4);backdrop-filter:blur(4px);z-index:1999;opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s}
.overlay.open{opacity:1;visibility:visible}

/* ===== 回到顶部 ===== */
.back-top{position:fixed;bottom:100px;right:24px;width:42px;height:42px;border-radius:50%;background:var(--pri);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:999;opacity:0;visibility:hidden;transition:all .3s;border:none;box-shadow:var(--sh)}
.back-top.show{opacity:1;visibility:visible}

/* ===== 响应式 ===== */
@media(max-width:768px){
    .topbar-row{height:56px}.topbar-nav{display:none}.topbar-hamburger{display:flex}
    .topbar-nav.open{display:block;position:fixed;top:56px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:16px;z-index:1000}
    .topbar-nav.open .topbar-menu{flex-direction:column;gap:0}
    .topbar-nav.open .topbar-menu a{padding:12px 16px;display:block}
    .topbar-nav.open .topbar-sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding-left:16px}
    .hero-row{grid-template-columns:1fr}.hero-visual{display:none}.hero-text h1{font-size:1.6rem}
    .page-layout{grid-template-columns:1fr}.page-side{margin-top:24px}
    .footer-grid{grid-template-columns:1fr 1fr}
    .sec{padding:48px 0}.hero{padding:56px 0}
    .card-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
    .mobile-bar{display:block}
}
@media(max-width:480px){
    body{font-size:15px}.wrap{padding:0 16px}h1{font-size:1.5rem}h2{font-size:1.3rem}
    .footer-grid{grid-template-columns:1fr;gap:24px}.hero-text h1{font-size:1.4rem}
    .hero{padding:40px 0}.feat-grid{grid-template-columns:1fr}.card-grid{grid-template-columns:1fr}
    .cta-btns{flex-direction:column}.news-grid{grid-template-columns:1fr}
}