/* roulang page: index */
:root{
  --blue:#2F5D8A;
  --blue-dark:#1E3F5E;
  --blue-light:#EAF1F7;
  --orange:#D97941;
  --orange-dark:#B9612F;
  --orange-light:#FBEDE2;
  --bg:#FAF9F6;
  --bg-alt:#F3F6F9;
  --white:#FFFFFF;
  --text:#1C2A36;
  --text-2:#5F6F7E;
  --text-3:#8A98A6;
  --border:#E2E8EE;
  --success:#2E7D6B;
  --error:#C0453B;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(28,42,54,.05);
  --sh-md:0 10px 30px rgba(28,42,54,.08);
  --sh-lg:0 18px 48px rgba(28,42,54,.10);
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-serif:"Noto Serif SC","Songti SC",SimSun,serif;
  --bs-primary:#2F5D8A;
  --bs-primary-rgb:47,93,138;
  --bs-body-font-family:var(--font-sans);
  --bs-body-color:#1C2A36;
  --bs-body-bg:#FAF9F6;
  --bs-border-radius:12px;
  --bs-link-color:#2F5D8A;
  --bs-link-hover-color:#1E3F5E;
  --bs-border-color:#E2E8EE;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--blue);text-decoration:none;text-underline-offset:4px;transition:color .2s ease;}
a:hover{color:var(--blue-dark);text-decoration:underline;}
h1,h2,h3,h4{margin:0;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,93,138,.25);border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.text-link{font-weight:600;font-size:14px;color:var(--blue);}
.text-link:hover{color:var(--blue-dark);}

/* 顶部信息条 */
.topbar{background:var(--blue-dark);color:#DCE6EF;font-size:12.5px;min-height:36px;display:flex;align-items:center;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:14px;}
.topbar a{color:#FFFFFF;}
.topbar a:hover{text-decoration:underline;}
.topbar svg{width:14px;height:14px;flex:none;}

/* 刊头 */
.site-header{background:var(--white);position:relative;z-index:60;}
.masthead{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;padding-top:26px;padding-bottom:22px;}
.brand-link{display:block;color:var(--text);}
.brand-link:hover{text-decoration:none;color:var(--text);}
.brand-name{display:block;font-family:var(--font-serif);font-weight:700;font-size:clamp(28px,3.6vw,44px);line-height:1.15;letter-spacing:.02em;color:var(--blue-dark);}
.brand-sub{display:block;margin-top:8px;font-size:12.5px;letter-spacing:.08em;color:var(--text-3);}
.mast-tools{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.search-box{display:flex;align-items:center;gap:6px;border:1px solid var(--border);border-radius:var(--r-pill);padding:4px 6px 4px 16px;background:var(--white);min-width:250px;}
.search-box input{border:0;outline:0;background:transparent;font-size:14px;flex:1;height:34px;color:var(--text);min-width:0;}
.search-box input::placeholder{color:var(--text-3);}
.search-box button{border:0;background:var(--blue-light);color:var(--blue);width:32px;height:32px;border-radius:50%;display:grid;place-items:center;flex:none;}
.search-box button:hover{background:#DCE9F3;}
.search-box button svg{width:16px;height:16px;}

/* 频道行 */
.channel-bar{position:sticky;top:0;z-index:55;background:var(--white);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.channel-inner{display:flex;align-items:center;}
.channel-collapse{display:flex;align-items:center;width:100%;}
.channel-link{position:relative;padding:14px 18px;font-size:14px;font-weight:600;color:var(--text-2);border-right:1px solid var(--border);white-space:nowrap;}
.channel-link:first-child{padding-left:0;}
.channel-link:hover{color:var(--blue);text-decoration:none;}
.channel-link::after{content:"";position:absolute;left:18px;right:18px;bottom:-1px;height:2px;background:transparent;}
.channel-link:first-child::after{left:0;}
.channel-link:hover::after{background:var(--orange);}
.channel-link.active{color:var(--blue);}
.channel-link.active::after{background:var(--blue);}
.channel-toggle{display:none;align-items:center;gap:8px;background:none;border:0;padding:14px 0;font-size:14px;font-weight:600;color:var(--blue-dark);}
.channel-toggle svg{width:16px;height:16px;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;font-weight:600;font-size:15px;padding:12px 22px;border:1px solid transparent;line-height:1.4;transition:background-color .2s ease,box-shadow .2s ease,transform .2s ease,color .2s ease,border-color .2s ease;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--blue);border-color:var(--blue);color:#FFFFFF;}
.btn-primary:hover,.btn-primary:focus{background:var(--blue-dark);border-color:var(--blue-dark);color:#FFFFFF;box-shadow:var(--sh-sm);}
.btn-outline{background:var(--white);border-color:var(--blue);color:var(--blue);}
.btn-outline:hover,.btn-outline:focus{background:var(--blue-light);border-color:var(--blue-dark);color:var(--blue-dark);}
.btn-accent{background:var(--orange);border-color:var(--orange);color:#FFFFFF;}
.btn-accent:hover,.btn-accent:focus{background:var(--orange-dark);border-color:var(--orange-dark);color:#FFFFFF;}
.btn-lg{padding:14px 28px;font-size:16px;}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:8px;}

/* 通用板块 */
.section{padding:80px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:780px;margin-bottom:38px;}
.eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.14em;color:var(--orange-dark);font-weight:700;margin-bottom:10px;}
.section-title{font-family:var(--font-serif);font-size:clamp(24px,2.6vw,34px);line-height:1.38;color:var(--blue-dark);margin-bottom:12px;}
.section-desc{font-size:15.5px;color:var(--text-2);line-height:1.9;}
.badge-soft{display:inline-block;background:var(--blue-light);color:var(--blue-dark);font-size:12px;font-weight:600;padding:5px 10px;border-radius:var(--r-sm);line-height:1.5;}
.badge-orange{background:var(--orange-light);color:var(--orange-dark);}
.note-line{font-size:12.5px;color:var(--text-3);margin-top:18px;}

/* Hero */
.hero{background-color:var(--bg);background-image:linear-gradient(rgba(250,249,246,.93),rgba(250,249,246,.97)),url('/assets/images/c62a8374fc9e370b.jpg');background-size:cover;background-position:center;border-bottom:1px solid var(--border);}
.hero-inner{display:grid;grid-template-columns:7fr 5fr;gap:48px;padding-top:76px;padding-bottom:80px;align-items:start;}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;}
.hero-title{font-family:var(--font-serif);font-size:clamp(30px,4.2vw,50px);line-height:1.24;letter-spacing:.01em;color:var(--blue-dark);margin-bottom:18px;}
.hero-lead{font-size:16.5px;color:var(--text-2);line-height:1.95;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.hero-note{margin-top:16px;font-size:13px;color:var(--text-3);}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:22px;padding-top:18px;border-top:1px solid var(--border);}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2);}
.hero-points svg{width:18px;height:18px;color:var(--blue);flex:none;}

/* 下载卡 */
.download-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-md);padding:24px;}
.dc-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--border);}
.dc-title{font-size:16px;font-weight:700;color:var(--blue-dark);}
.dc-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 0;border-bottom:1px dashed var(--border);}
.dc-platform{display:flex;align-items:center;gap:12px;min-width:0;}
.dc-platform svg{width:26px;height:26px;color:var(--blue);flex:none;}
.dc-platform strong{display:block;font-size:14.5px;color:var(--text);}
.dc-platform span{display:block;font-size:12.5px;color:var(--text-3);}
.dc-qr{display:flex;gap:14px;align-items:center;padding:16px 0 6px;}
.qr-figure{width:78px;height:78px;border:1px solid var(--border);border-radius:10px;padding:5px;background:#FFFFFF;flex:none;}
.qr-text strong{display:block;font-size:13.5px;color:var(--text);}
.qr-text span{display:block;font-size:12.5px;color:var(--text-3);line-height:1.6;}
.dc-note{margin-top:12px;font-size:12.5px;color:var(--text-3);background:var(--bg-alt);border-radius:10px;padding:10px 12px;line-height:1.7;}

/* 指标看板 */
.metrics-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.metric-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-sm);padding:24px;transition:box-shadow .25s ease,transform .25s ease;}
.metric-card:hover{box-shadow:var(--sh-md);transform:translateY(-3px);}
.metric-wide{grid-column:span 2;background:linear-gradient(180deg,#FFFFFF 0%,#F7FAFC 100%);}
.metric-num{font-family:var(--font-serif);font-size:clamp(32px,3.4vw,44px);font-weight:700;color:var(--blue-dark);line-height:1.1;font-variant-numeric:tabular-nums;}
.metric-num em{font-size:16px;font-style:normal;color:var(--orange-dark);margin-left:4px;font-family:var(--font-sans);font-weight:600;}
.metric-label{font-size:14px;font-weight:600;margin-top:8px;color:var(--text);}
.metric-note{font-size:12.5px;color:var(--text-3);margin-top:6px;line-height:1.7;}

/* 服务矩阵 */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:20px;}
.bento-card{grid-column:span 3;display:flex;flex-direction:column;background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-sm);transition:box-shadow .25s ease,transform .25s ease;}
.bento-card:hover{box-shadow:var(--sh-md);transform:translateY(-3px);}
.bento-card.span6{grid-column:span 6;}
.bento-card.featured{background:var(--blue-light);border-left:3px solid var(--orange);}
.card-icon{width:42px;height:42px;border-radius:10px;background:var(--blue-light);color:var(--blue);display:grid;place-items:center;margin-bottom:14px;}
.bento-card.featured .card-icon{background:#FFFFFF;}
.card-icon svg{width:22px;height:22px;}
.bento-card h3{font-size:18px;margin-bottom:8px;color:var(--text);}
.bento-card p{font-size:14px;color:var(--text-2);margin-bottom:14px;line-height:1.85;}
.bento-card .text-link{margin-top:auto;font-size:13.5px;}

/* 同城场景 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scene-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);transition:box-shadow .25s ease,transform .25s ease;}
.scene-card:hover{box-shadow:var(--sh-md);transform:translateY(-3px);}
.scene-thumb{aspect-ratio:16/10;background:var(--bg-alt);overflow:hidden;border-bottom:1px solid var(--border);}
.scene-thumb img{width:100%;height:100%;object-fit:cover;}
.scene-body{padding:18px 20px 20px;}
.scene-body h3{font-size:17px;margin-bottom:6px;}
.scene-body p{font-size:13.5px;color:var(--text-2);margin-bottom:10px;}
.scene-tip{display:inline-block;font-size:12.5px;color:var(--orange-dark);background:var(--orange-light);padding:3px 9px;border-radius:6px;}

/* 对比 */
.compare{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);}
.compare-head,.compare-row{display:grid;grid-template-columns:1.15fr 1fr 1fr;}
.compare-head{background:var(--blue-dark);color:#FFFFFF;font-size:13.5px;font-weight:600;}
.compare-head > span{padding:14px 20px;}
.compare-head .compare-highlight{background:var(--blue);}
.compare-row{border-top:1px solid var(--border);}
.compare-row > span{padding:16px 20px;font-size:14px;display:flex;align-items:center;gap:8px;}
.c-label{font-weight:600;color:var(--text);}
.c-cell{color:var(--text-2);}
.c-cell svg{width:18px;height:18px;flex:none;}
.c-cell.no svg{color:var(--error);}
.c-cell.yes svg{color:var(--success);}
.compare-highlight{background:var(--blue-light);border-left:3px solid var(--orange);}
.compare-row .compare-highlight{color:var(--blue-dark);font-weight:500;}

/* 下载安装 */
.download-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:start;}
.version-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-sm);display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:16px;}
.version-card:last-child{margin-bottom:0;}
.version-name{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text);}
.version-name svg{width:22px;height:22px;color:var(--blue);}
.version-meta{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:12.5px;color:var(--text-3);margin-top:8px;}
.download-side{background:var(--blue-light);border:1px solid #D9E4EE;border-radius:var(--r-lg);padding:24px;}
.download-side h3{font-size:16px;margin-bottom:12px;color:var(--blue-dark);}
.qr-panel{display:flex;gap:14px;align-items:center;padding-bottom:16px;margin-bottom:16px;border-bottom:1px solid #D9E4EE;}
.mini-steps{list-style:none;counter-reset:s;margin-bottom:16px;}
.mini-steps li{position:relative;padding-left:30px;margin-bottom:10px;font-size:13.5px;color:var(--text-2);}
.mini-steps li:last-child{margin-bottom:0;}
.mini-steps li::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:50%;background:var(--blue);color:#FFFFFF;font-size:12px;display:grid;place-items:center;font-weight:600;}
.safe-note{display:flex;gap:8px;font-size:12.5px;color:var(--orange-dark);background:var(--orange-light);border-radius:10px;padding:10px 12px;line-height:1.7;}
.safe-note svg{width:16px;height:16px;flex:none;margin-top:3px;}

/* 时间轴 */
.timeline{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);position:relative;padding-top:6px;}
.timeline::before{content:"";position:absolute;top:13px;left:2%;right:2%;height:2px;background:var(--border);}
.timeline-item{position:relative;padding:34px 18px 0 0;}
.tl-dot{position:absolute;top:6px;left:0;width:16px;height:16px;border-radius:50%;background:var(--blue);border:3px solid var(--blue);box-shadow:0 0 0 4px #FFFFFF;}
.timeline-item:nth-child(1) .tl-dot,.timeline-item:nth-child(2) .tl-dot{background:var(--orange);border-color:var(--orange);}
.tl-date{display:block;font-size:12.5px;letter-spacing:.1em;color:var(--text-3);font-weight:600;}
.timeline-item h3{font-size:16px;margin:6px 0 6px;}
.timeline-item p{font-size:13.5px;color:var(--text-2);}

/* 资讯 */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start;}
.news-lead{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);transition:box-shadow .25s ease,transform .25s ease;}
.news-lead:hover{box-shadow:var(--sh-md);transform:translateY(-3px);}
.news-lead-link{display:block;color:inherit;}
.news-lead-link:hover{text-decoration:none;color:inherit;}
.news-lead-media{aspect-ratio:16/10;background:var(--bg-alt);overflow:hidden;}
.news-lead-media img{width:100%;height:100%;object-fit:cover;}
.news-lead-body{padding:22px 24px 24px;}
.news-lead-body h3{font-size:21px;line-height:1.5;margin:10px 0 10px;}
.news-lead-body p{font-size:14px;color:var(--text-2);margin-bottom:14px;}
.news-side{display:flex;flex-direction:column;gap:16px;}
.news-item{background:var(--white);border:1px solid var(--border);border-radius:var(--r-md);padding:16px 18px;box-shadow:var(--sh-sm);transition:box-shadow .25s ease,transform .25s ease;}
.news-item:hover{box-shadow:var(--sh-md);transform:translateY(-2px);}
.news-item a{display:block;color:inherit;}
.news-item a:hover{text-decoration:none;color:inherit;}
.news-item h3{font-size:15.5px;line-height:1.55;margin:8px 0 6px;}
.news-item p{font-size:13px;color:var(--text-2);margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.meta{font-size:12.5px;color:var(--text-3);}
.read-more{font-size:13.5px;font-weight:600;color:var(--blue);}
.empty-state{border:1px dashed #C7D5E1;border-radius:var(--r-lg);padding:44px 24px;text-align:center;background:var(--white);}
.empty-state svg{width:36px;height:36px;color:var(--text-3);margin-bottom:12px;}
.empty-state p{font-size:14.5px;color:var(--text-2);margin-bottom:16px;}

/* 专题聚合 */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.topic-card{display:block;background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-sm);color:inherit;transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;}
.topic-card:hover{box-shadow:var(--sh-md);transform:translateY(-3px);border-color:#C9DAE8;color:inherit;text-decoration:none;}
.topic-num{font-family:var(--font-serif);font-size:28px;font-weight:700;color:var(--orange);line-height:1;display:block;}
.topic-card h3{font-size:16.5px;margin:12px 0 6px;}
.topic-card p{font-size:13px;color:var(--text-2);margin-bottom:12px;}
.topic-card .arrow{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--blue);}
.topic-card .arrow svg{width:16px;height:16px;}

/* 平台保障 */
.guard-list{display:grid;grid-template-columns:1fr 1fr;gap:0 44px;}
.guard-item{display:flex;gap:16px;align-items:flex-start;padding:20px 0;border-bottom:1px solid var(--border);}
.guard-item svg{width:22px;height:22px;color:var(--blue);flex:none;margin-top:4px;}
.guard-item h3{font-size:15.5px;margin-bottom:4px;}
.guard-item p{font-size:13.5px;color:var(--text-2);}

/* 流程 */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.flow-step{position:relative;padding:0 24px;}
.flow-step:first-child{padding-left:0;}
.flow-step:last-child{padding-right:0;}
.flow-num{font-family:var(--font-serif);font-size:34px;font-weight:700;color:var(--orange);line-height:1;}
.flow-step h3{font-size:16px;margin:10px 0 6px;}
.flow-step p{font-size:13.5px;color:var(--text-2);}
.flow-step::after{content:"";position:absolute;top:16px;right:0;height:56px;border-right:1px dashed #C7D5E1;}
.flow-step:last-child::after{display:none;}
.flow-foot{margin-top:28px;text-align:center;}

/* 快速解答 */
.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.quick-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-md);padding:22px 24px;box-shadow:var(--sh-sm);}
.quick-card h3{font-size:15.5px;display:flex;gap:8px;align-items:flex-start;margin-bottom:8px;}
.quick-card h3 span{color:var(--orange);font-family:var(--font-serif);font-size:18px;line-height:1.35;}
.quick-card p{font-size:14px;color:var(--text-2);}

/* 用户反馈 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.review-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-sm);}
.review-quote{font-family:var(--font-serif);font-size:32px;line-height:1;color:#CBDDEB;}
.review-card p{font-size:14px;color:var(--text-2);margin:8px 0 18px;}
.review-foot{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3);}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--blue-light);color:var(--blue-dark);display:grid;place-items:center;font-weight:700;font-size:14px;flex:none;}

/* FAQ */
.faq-wrap{max-width:900px;}
.faq .accordion-item{border:0;border-bottom:1px solid var(--border);background:transparent;}
.faq .accordion-item:first-child{border-top:1px solid var(--border);}
.faq .accordion-button{position:relative;background:transparent;box-shadow:none;padding:18px 52px 18px 0;font-size:16px;font-weight:600;color:var(--text);line-height:1.7;}
.faq .accordion-button:not(.collapsed){color:var(--blue);background:transparent;box-shadow:none;}
.faq .accordion-button:focus{box-shadow:none;}
.faq .accordion-button::before{content:"";position:absolute;right:12px;top:50%;width:13px;height:2px;background:var(--blue);transform:translateY(-50%);}
.faq .accordion-button::after{content:"";position:absolute;right:17.5px;top:50%;width:2px;height:13px;background:var(--blue);transform:translateY(-50%);transition:transform .2s ease,opacity .2s ease;background-image:none;display:block;}
.faq .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(90deg);opacity:0;}
.faq .accordion-body{padding:0 52px 22px 0;font-size:14.5px;color:var(--text-2);line-height:1.9;}

/* 表单 */
.form-section{background:var(--blue-light);padding:80px 0;}
.form-wrap{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start;}
.form-side h2{font-family:var(--font-serif);font-size:clamp(24px,2.6vw,32px);line-height:1.4;color:var(--blue-dark);margin-bottom:14px;}
.form-side p{font-size:15px;color:var(--text-2);margin-bottom:16px;}
.side-list{list-style:none;}
.side-list li{display:flex;gap:10px;font-size:13.5px;color:var(--text-2);margin-bottom:10px;}
.side-list svg{width:18px;height:18px;color:var(--blue);flex:none;margin-top:4px;}
.form-card{background:var(--white);border:1px solid #DCE7F0;border-radius:var(--r-lg);box-shadow:var(--sh-md);padding:28px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-field{display:flex;flex-direction:column;gap:6px;}
.form-field.full{grid-column:1/-1;}
.form-field label{font-size:13px;font-weight:600;color:var(--text);}
.form-control,.form-select{height:46px;border:1px solid var(--border);border-radius:10px;padding:0 14px;font-size:14px;color:var(--text);background:#FFFFFF;box-shadow:none;}
.form-control::placeholder{color:var(--text-3);}
textarea.form-control{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;}
.form-control:focus,.form-select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,93,138,.18);outline:none;}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:12.5px;color:var(--text-2);line-height:1.7;}
.checkbox-row input[type=checkbox]{width:18px;height:18px;margin-top:3px;accent-color:var(--blue);flex:none;}
.form-submit{grid-column:1/-1;display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:4px;}
.form-msg{font-size:13px;color:var(--text-3);}
.form-msg.success{color:var(--success);}
.form-msg.error{color:var(--error);}

/* 页脚 */
.site-footer{background:var(--blue-dark);color:#DCE6EF;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;}
.footer-logo{font-family:var(--font-serif);font-size:24px;font-weight:700;color:#FFFFFF;margin-bottom:14px;letter-spacing:.02em;}
.footer-brand p{font-size:13.5px;color:#B9CADA;line-height:1.9;margin-bottom:12px;}
.footer-safe{font-size:12.5px;color:#B9CADA;background:rgba(255,255,255,.06);border-radius:10px;padding:10px 12px;line-height:1.7;}
.site-footer h4{font-size:14px;color:#FFFFFF;margin-bottom:14px;letter-spacing:.04em;}
.footer-links{list-style:none;}
.footer-links li{margin-bottom:2px;}
.site-footer a{color:#DCE6EF;font-size:13.5px;}
.site-footer a:hover{color:#FFFFFF;text-decoration:underline;}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.16);padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px;color:#B9CADA;}
.footer-bottom a{color:#B9CADA;}
.footer-bottom a:hover{color:#FFFFFF;}

/* 响应式 */
@media (max-width:1199.98px){
  .brand-name{font-size:34px;}
  .bento-card{grid-column:span 6;}
  .bento-card.span6{grid-column:span 12;}
  .hero-inner{gap:32px;}
  .timeline-item{padding-right:12px;}
}
@media (max-width:991.98px){
  .masthead{flex-wrap:wrap;align-items:flex-start;gap:18px;padding-top:20px;padding-bottom:18px;}
  .mast-tools{width:100%;gap:10px;}
  .search-box{flex:1;min-width:0;}
  .channel-toggle{display:flex;}
  .channel-collapse{display:none;}
  .channel-collapse.open{display:flex;flex-direction:column;align-items:stretch;width:100%;padding-bottom:8px;}
  .channel-link{border-right:0;border-bottom:1px solid var(--border);padding:12px 4px;}
  .channel-link:first-child{padding-left:4px;}
  .channel-link::after{display:none;}
  .channel-inner{flex-direction:column;align-items:flex-start;}
  .hero-inner{grid-template-columns:1fr;padding-top:52px;padding-bottom:56px;}
  .metrics-grid{grid-template-columns:1fr 1fr;}
  .metric-wide{grid-column:span 2;}
  .scene-grid{grid-template-columns:1fr 1fr;}
  .news-grid{grid-template-columns:1fr;}
  .topic-grid{grid-template-columns:1fr 1fr;}
  .guard-list{grid-template-columns:1fr;gap:0;}
  .flow-grid{grid-template-columns:1fr 1fr;row-gap:28px;}
  .flow-step::after{display:none;}
  .timeline{grid-template-columns:1fr;}
  .timeline::before{top:0;bottom:0;left:7px;right:auto;width:2px;height:auto;}
  .timeline-item{padding:0 0 26px 34px;}
  .tl-dot{top:5px;}
  .review-grid{grid-template-columns:1fr;}
  .form-wrap{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .download-grid{grid-template-columns:1fr;}
}
@media (max-width:767.98px){
  .section{padding:56px 0;}
  .form-section{padding:56px 0;}
  .compare-head{display:none;}
  .compare-row{grid-template-columns:1fr 1fr;padding:12px 0;}
  .compare-row > span{padding:8px 16px;font-size:13.5px;}
  .c-label{grid-column:1/-1;background:var(--bg-alt);margin:0 12px 6px;border-radius:6px;font-size:13px;}
  .compare-highlight{border-left:0;border-radius:8px;margin:0 12px;}
  .quick-grid{grid-template-columns:1fr;}
  .version-card{flex-direction:column;align-items:flex-start;gap:14px;}
  .version-card .btn{width:100%;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  .container{padding-left:18px;padding-right:18px;}
  .brand-name{font-size:28px;}
  .brand-sub{font-size:12px;}
  .hero-title{font-size:30px;}
  .hero-actions .btn{width:100%;}
  .hero-points{gap:8px 18px;}
  .metrics-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .metric-card{padding:18px;}
  .metric-wide{grid-column:span 2;}
  .scene-grid,.topic-grid,.flow-grid,.form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .dc-row{flex-wrap:wrap;}
  .dc-row .btn{width:100%;}
  .form-submit .btn{width:100%;}
  .quick-card{padding:18px;}
  .form-card{padding:20px;}
  .topbar-right span:first-child{display:none;}
}

/* roulang page: category1 */
:root{
  --blue:#2F5D8A;
  --blue-dark:#1E3F5E;
  --blue-light:#EAF1F7;
  --orange:#D97941;
  --orange-dark:#B9612F;
  --orange-light:#FBEDE2;
  --bg:#FAF9F6;
  --bg-alt:#F3F6F9;
  --white:#FFFFFF;
  --text:#1C2A36;
  --text-2:#5F6F7E;
  --text-3:#8A98A6;
  --border:#E2E8EE;
  --success:#2E7D6B;
  --error:#C0453B;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(28,42,54,.05);
  --sh-md:0 10px 30px rgba(28,42,54,.08);
  --sh-lg:0 18px 48px rgba(28,42,54,.10);
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-serif:"Noto Serif SC","Songti SC",SimSun,serif;
  --bs-primary:#2F5D8A;
  --bs-primary-rgb:47,93,138;
  --bs-body-font-family:var(--font-sans);
  --bs-body-color:#1C2A36;
  --bs-body-bg:#FAF9F6;
  --bs-border-radius:12px;
  --bs-link-color:#2F5D8A;
  --bs-link-hover-color:#1E3F5E;
  --bs-border-color:#E2E8EE;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--blue);text-decoration:none;text-underline-offset:4px;transition:color .2s ease;}
a:hover{color:var(--blue-dark);text-decoration:underline;}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;}
p{margin:0 0 12px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.text-link{font-weight:600;font-size:14px;color:var(--blue);}
.text-link:hover{color:var(--blue-dark);}
/* 顶部信息条 */
.topbar{background:var(--blue-dark);color:#DCE6EF;font-size:12.5px;min-height:36px;display:flex;align-items:center;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:14px;}
.topbar a{color:#FFFFFF;}
.topbar a:hover{text-decoration:underline;}
.topbar svg{width:14px;height:14px;flex:none;}
/* 刊头 */
.site-header{background:var(--white);position:relative;z-index:60;border-bottom:1px solid var(--border);}
.masthead{display:flex;align-items:center;justify-content:space-between;gap:32px;padding-top:24px;padding-bottom:24px;}
.brand-link{display:block;color:var(--text);}
.brand-link:hover{text-decoration:none;color:var(--text);}
.brand-name{display:block;font-family:var(--font-serif);font-weight:700;font-size:clamp(28px,3.6vw,42px);line-height:1.15;letter-spacing:.02em;color:var(--blue-dark);}
.brand-sub{display:block;margin-top:8px;font-size:12.5px;letter-spacing:.08em;color:var(--text-3);}
.mast-tools{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end;}
.search-box{display:flex;align-items:center;gap:6px;border:1px solid var(--border);border-radius:var(--r-pill);padding:4px 6px 4px 16px;background:var(--white);min-width:250px;transition:border-color .2s ease,box-shadow .2s ease;}
.search-box:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,93,138,.12);}
.search-box input{border:0;outline:0;background:transparent;font-size:14px;flex:1;height:34px;color:var(--text);min-width:0;}
.search-box input::placeholder{color:var(--text-3);}
.search-box button{border:0;background:var(--blue-light);color:var(--blue);width:32px;height:32px;border-radius:50%;display:grid;place-items:center;flex:none;transition:background-color .2s ease;}
.search-box button:hover{background:#DCE9F3;}
.search-box button svg{width:16px;height:16px;}
/* 频道行 */
.channel-bar{border-top:1px solid var(--border);background:var(--white);}
.channel-inner{display:flex;align-items:center;gap:4px;}
.channel-collapse{display:flex;align-items:center;width:100%;flex-wrap:wrap;}
.channel-link{position:relative;display:inline-block;padding:14px 20px;font-size:14px;font-weight:600;color:#40515F;border-left:1px solid var(--border);transition:color .2s ease;}
.channel-collapse .channel-link:first-child{border-left:0;padding-left:0;}
.channel-link::after{content:"";position:absolute;left:20px;right:20px;bottom:8px;height:2px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.channel-collapse .channel-link:first-child::after{left:0;}
.channel-link:hover{color:var(--blue);text-decoration:none;}
.channel-link:hover::after{transform:scaleX(1);}
.channel-link.active{color:var(--blue);}
.channel-link.active::after{transform:scaleX(1);background:var(--blue);}
.channel-toggle{display:none;align-items:center;gap:8px;background:transparent;border:0;padding:14px 0;font-size:14px;font-weight:600;color:var(--blue-dark);}
.channel-toggle svg{width:20px;height:20px;}
/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;font-weight:600;font-size:15px;padding:12px 22px;border:1px solid transparent;line-height:1.4;transition:background-color .2s ease,box-shadow .2s ease,transform .2s ease,color .2s ease,border-color .2s ease;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--blue);border-color:var(--blue);color:#FFFFFF;}
.btn-primary:hover,.btn-primary:focus{background:var(--blue-dark);border-color:var(--blue-dark);color:#FFFFFF;box-shadow:var(--sh-sm);text-decoration:none;}
.btn-outline{background:var(--white);border-color:var(--blue);color:var(--blue);}
.btn-outline:hover,.btn-outline:focus{background:var(--blue-light);border-color:var(--blue-dark);color:var(--blue-dark);text-decoration:none;}
.btn-accent{background:var(--orange);border-color:var(--orange);color:#FFFFFF;}
.btn-accent:hover,.btn-accent:focus{background:var(--orange-dark);border-color:var(--orange-dark);color:#FFFFFF;box-shadow:var(--sh-sm);text-decoration:none;}
.btn-lg{padding:14px 28px;font-size:16px;}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:8px;}
.btn:focus-visible{outline:0;box-shadow:0 0 0 3px rgba(47,93,138,.25);}
/* 通用板块 */
.section{padding:80px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:780px;margin-bottom:38px;}
.eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.14em;color:var(--orange-dark);font-weight:700;margin-bottom:10px;}
.section-title{font-family:var(--font-serif);font-size:clamp(24px,2.6vw,34px);line-height:1.38;color:var(--blue-dark);margin-bottom:12px;}
.section-desc{font-size:15.5px;color:var(--text-2);line-height:1.9;}
.badge-soft{display:inline-block;background:var(--blue-light);color:var(--blue-dark);font-size:12px;font-weight:600;padding:5px 10px;border-radius:var(--r-sm);line-height:1.5;}
.badge-orange{background:var(--orange-light);color:var(--orange-dark);}
/* 分类页头 */
.page-head{position:relative;background-color:var(--bg);background-image:linear-gradient(rgba(250,249,246,.94),rgba(250,249,246,.98)),url('/assets/images/ee3b742ca703797c.webp');background-size:cover;background-position:center;border-bottom:1px solid var(--border);padding:44px 0 0;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--blue);}
.crumbs .sep{opacity:.6;}
.page-head-inner{max-width:880px;}
.page-badge{display:inline-flex;align-items:center;gap:8px;background:var(--white);border:1px solid var(--border);border-radius:var(--r-pill);padding:6px 14px;font-size:12.5px;font-weight:600;color:var(--blue);margin-bottom:18px;box-shadow:var(--sh-sm);}
.page-badge svg{width:15px;height:15px;}
.page-title{font-family:var(--font-serif);font-size:clamp(28px,3.6vw,44px);line-height:1.24;color:var(--blue-dark);letter-spacing:.01em;margin-bottom:16px;}
.page-lead{font-size:16px;color:var(--text-2);line-height:1.95;max-width:760px;}
.page-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:22px;padding-top:18px;border-top:1px solid var(--border);font-size:13px;color:var(--text-3);}
.page-meta span{display:inline-flex;align-items:center;gap:7px;}
.page-meta svg{width:15px;height:15px;color:var(--blue);}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;padding:22px 0 26px;margin-top:22px;border-top:1px solid var(--border);}
.filter-chip{display:inline-block;padding:7px 16px;border-radius:var(--r-pill);border:1px solid var(--border);background:var(--white);font-size:13.5px;font-weight:600;color:var(--text-2);}
.filter-chip.is-on{background:var(--blue);border-color:var(--blue);color:#FFFFFF;}
/* 列表主体 */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.guide-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-sm);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .25s ease,transform .25s ease;}
.guide-card:hover{box-shadow:var(--sh-md);transform:translateY(-3px);}
.guide-thumb{position:relative;aspect-ratio:16/10;background:var(--bg-alt);overflow:hidden;}
.guide-thumb img{width:100%;height:100%;object-fit:cover;}
.guide-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.guide-body h3{font-size:18px;line-height:1.5;color:var(--text);}
.guide-body h3 a{color:inherit;}
.guide-body h3 a:hover{color:var(--blue);text-decoration:none;}
.guide-sum{font-size:14px;color:var(--text-2);line-height:1.85;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.guide-foot{margin-top:auto;padding-top:12px;border-top:1px dashed var(--border);display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3);}
.badge-cat{background:var(--blue-light);color:var(--blue-dark);font-size:12px;font-weight:600;padding:4px 10px;border-radius:6px;display:inline-block;}
/* 阅读路径 */
.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.path-step{position:relative;background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--sh-sm);transition:box-shadow .25s ease,transform .25s ease;}
.path-step:hover{box-shadow:var(--sh-md);transform:translateY(-3px);}
.path-num{font-family:var(--font-serif);font-size:34px;line-height:1;color:var(--orange);margin-bottom:14px;display:block;}
.path-step h3{font-size:19px;color:var(--blue-dark);margin-bottom:10px;}
.path-step p{font-size:14.5px;color:var(--text-2);line-height:1.9;}
.path-line{height:2px;background:repeating-linear-gradient(90deg,var(--border) 0 8px,transparent 8px 16px);margin-top:26px;}
/* 编辑推荐 */
.pick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.pick-card{display:flex;gap:16px;align-items:flex-start;background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);padding:18px;box-shadow:var(--sh-sm);transition:box-shadow .25s ease,transform .25s ease;}
.pick-card:hover{box-shadow:var(--sh-md);transform:translateY(-3px);}
.pick-thumb{width:96px;flex:none;aspect-ratio:4/3;border-radius:var(--r-md);overflow:hidden;background:var(--bg-alt);border:1px solid var(--border);}
.pick-thumb img{width:100%;height:100%;object-fit:cover;}
.pick-card h3{font-size:16px;line-height:1.5;color:var(--text);margin-bottom:6px;}
.pick-card h3 a{color:inherit;}
.pick-card h3 a:hover{color:var(--blue);text-decoration:none;}
.pick-card .pick-date{font-size:12.5px;color:var(--text-3);}
/* 热门主题 */
.topic-tags{display:flex;flex-wrap:wrap;gap:12px;}
.topic-tags a{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--r-pill);background:var(--white);border:1px solid var(--border);font-size:14px;font-weight:500;color:var(--text-2);transition:all .2s ease;}
.topic-tags a:hover{color:var(--blue-dark);border-color:var(--blue);background:var(--blue-light);text-decoration:none;}
.topic-tags .dot{width:6px;height:6px;border-radius:50%;background:var(--orange);flex:none;}
/* FAQ */
.faq-acc{border-top:1px solid var(--border);}
.faq-acc .accordion-item{border:0;border-bottom:1px solid var(--border);background:transparent;}
.faq-acc .accordion-button{background:transparent;border:0;box-shadow:none;padding:22px 0;font-size:16.5px;font-weight:700;color:var(--text);line-height:1.6;}
.faq-acc .accordion-button:not(.collapsed){background:transparent;color:var(--blue-dark);box-shadow:none;}
.faq-acc .accordion-button:focus{box-shadow:none;outline:0;color:var(--blue);}
.faq-acc .accordion-button::after{background-image:none;content:"+";font-size:24px;font-weight:400;line-height:1;width:auto;height:auto;color:var(--blue);transform:none;display:flex;align-items:center;justify-content:center;padding-left:20px;}
.faq-acc .accordion-button:not(.collapsed)::after{content:"–";transform:none;color:var(--orange);}
.faq-acc .accordion-body{padding:0 46px 24px 0;color:var(--text-2);font-size:15px;line-height:1.9;}
/* 下载提示条 */
.tip-bar{display:flex;align-items:center;gap:22px;background:var(--blue-light);border:1px solid #D5E4F0;border-radius:var(--r-lg);padding:24px 28px;}
.tip-icon{width:52px;height:52px;flex:none;border-radius:var(--r-md);background:var(--white);display:grid;place-items:center;color:var(--blue);box-shadow:var(--sh-sm);}
.tip-icon svg{width:26px;height:26px;}
.tip-text{flex:1;min-width:0;}
.tip-text h3{font-size:18px;color:var(--blue-dark);margin-bottom:6px;}
.tip-text p{font-size:14px;color:var(--text-2);line-height:1.85;}
/* 小表单 */
.mini-form-wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:36px;align-items:center;}
.mini-form-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-md);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px;}
.form-label-sm{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:6px;}
.form-control,.form-select{height:46px;border-radius:10px;border:1px solid var(--border);font-size:14.5px;color:var(--text);background:var(--white);padding:0 14px;width:100%;transition:border-color .2s ease,box-shadow .2s ease;}
textarea.form-control{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;}
.form-control::placeholder{color:var(--text-3);}
.form-control:focus,.form-select:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,93,138,.16);}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:12px;line-height:1.7;}
.form-ok{display:none;margin-top:14px;padding:12px 16px;border-radius:10px;background:#EAF5F1;border:1px solid #C9E4DB;color:var(--success);font-size:13.5px;font-weight:600;}
.form-ok.show{display:block;}
/* 页脚 */
.site-footer{background:var(--blue-dark);color:#DCE6EF;padding:64px 0 26px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-logo{font-family:var(--font-serif);font-size:22px;font-weight:700;color:#FFFFFF;margin-bottom:14px;}
.footer-brand p{font-size:13.5px;line-height:1.9;color:#C6D5E2;margin-bottom:12px;}
.footer-safe{font-size:12.5px;color:#A9BDCF;border-left:3px solid var(--orange);padding-left:12px;line-height:1.8;}
.site-footer h4{font-size:14px;color:#FFFFFF;margin-bottom:16px;letter-spacing:.04em;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#C6D5E2;font-size:13.5px;}
.footer-links a:hover{color:#FFFFFF;text-decoration:underline;}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(220,230,239,.18);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:#A9BDCF;}
.footer-bottom a{color:#C6D5E2;}
.footer-bottom a:hover{color:#FFFFFF;}
/* 响应式 */
@media (max-width:1199.98px){
  .section{padding:64px 0;}
  .guide-grid,.path-grid,.pick-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .masthead{gap:20px;}
  .search-box{min-width:200px;}
}
@media (max-width:991.98px){
  .masthead{flex-wrap:wrap;gap:18px;}
  .mast-tools{width:100%;justify-content:flex-start;}
  .search-box{flex:1;min-width:0;}
  .mini-form-wrap{grid-template-columns:1fr;gap:26px;}
  .channel-toggle{display:inline-flex;}
  .channel-inner{display:block;}
  .channel-collapse{display:none;padding-bottom:8px;}
  .channel-collapse.show{display:block;}
  .channel-link{display:block;border-left:0;border-top:1px solid var(--border);padding:13px 0;}
  .channel-collapse .channel-link:first-child{border-top:0;}
  .channel-link::after{left:0;right:auto;width:28px;bottom:6px;}
  .channel-collapse .channel-link:first-child::after{left:0;}
  .tip-bar{flex-wrap:wrap;gap:16px;}
  .tip-bar .btn{width:100%;}
}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:26px;}
  .guide-grid,.path-grid,.pick-grid{grid-template-columns:1fr;gap:16px;}
  .page-head{padding-top:30px;}
  .page-title{font-size:28px;}
  .page-lead{font-size:15px;}
  .filter-bar{padding:18px 0 20px;gap:8px;}
  .filter-chip{font-size:13px;padding:6px 13px;}
  .topbar-right{display:none;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .pick-card{flex-direction:row;}
  .form-row{grid-template-columns:1fr;}
  .faq-acc .accordion-body{padding-right:0;}
  .btn{width:100%;}
  .mast-tools .btn-sm{width:auto;}
  .tip-bar{padding:20px;}
}
@media (max-width:519.98px){
  .brand-name{font-size:26px;}
  .brand-sub{font-size:11.5px;letter-spacing:.04em;}
  .search-box{min-width:0;}
  .page-title{font-size:25px;}
  .section-title{font-size:22px;}
  .guide-body{padding:16px 18px 18px;}
  .path-step{padding:20px;}
}

/* roulang page: article */
:root{
  --blue:#2F5D8A;
  --blue-dark:#1E3F5E;
  --blue-light:#EAF1F7;
  --orange:#D97941;
  --orange-dark:#B9612F;
  --orange-light:#FBEDE2;
  --bg:#FAF9F6;
  --bg-alt:#F3F6F9;
  --white:#FFFFFF;
  --text:#1C2A36;
  --text-2:#5F6F7E;
  --text-3:#8A98A6;
  --border:#E2E8EE;
  --success:#2E7D6B;
  --error:#C0453B;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(28,42,54,.05);
  --sh-md:0 10px 30px rgba(28,42,54,.08);
  --sh-lg:0 18px 48px rgba(28,42,54,.10);
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-serif:"Noto Serif SC","Songti SC",SimSun,serif;
  --bs-primary:#2F5D8A;
  --bs-primary-rgb:47,93,138;
  --bs-body-font-family:var(--font-sans);
  --bs-body-color:#1C2A36;
  --bs-body-bg:#FAF9F6;
  --bs-border-radius:12px;
  --bs-link-color:#2F5D8A;
  --bs-link-hover-color:#1E3F5E;
  --bs-border-color:#E2E8EE;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--blue);text-decoration:none;text-underline-offset:4px;transition:color .2s ease;}
a:hover{color:var(--blue-dark);text-decoration:underline;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(47,93,138,.28);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.text-link{font-weight:600;font-size:14px;color:var(--blue);}
.text-link:hover{color:var(--blue-dark);}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;font-weight:600;font-size:15px;padding:12px 22px;border:1px solid transparent;line-height:1.4;transition:background-color .2s ease,box-shadow .2s ease,transform .2s ease,color .2s ease,border-color .2s ease;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--blue);border-color:var(--blue);color:#FFFFFF;}
.btn-primary:hover,.btn-primary:focus{background:var(--blue-dark);border-color:var(--blue-dark);color:#FFFFFF;box-shadow:var(--sh-sm);text-decoration:none;}
.btn-outline{background:var(--white);border-color:var(--blue);color:var(--blue);}
.btn-outline:hover,.btn-outline:focus{background:var(--blue-light);border-color:var(--blue-dark);color:var(--blue-dark);text-decoration:none;}
.btn-accent{background:var(--orange);border-color:var(--orange);color:#FFFFFF;}
.btn-accent:hover,.btn-accent:focus{background:var(--orange-dark);border-color:var(--orange-dark);color:#FFFFFF;text-decoration:none;}
.btn-lg{padding:14px 28px;font-size:16px;}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:8px;}

/* 刊头导航 */
.site-header{background:var(--white);position:relative;z-index:60;box-shadow:0 1px 0 rgba(28,42,54,.03);}
.masthead{display:flex;align-items:flex-start;justify-content:space-between;gap:36px;padding-top:24px;padding-bottom:22px;}
.brand{flex:1 1 auto;min-width:0;}
.brand-link{display:block;color:var(--text);}
.brand-link:hover{text-decoration:none;color:var(--text);}
.brand-name{display:block;font-family:var(--font-serif);font-weight:700;font-size:clamp(26px,3.4vw,42px);line-height:1.15;letter-spacing:.02em;color:var(--blue-dark);}
.brand-sub{display:block;margin-top:8px;font-size:12.5px;letter-spacing:.08em;color:var(--text-3);}
.mast-tools{display:flex;align-items:center;justify-content:flex-end;gap:14px;flex-wrap:wrap;padding-top:6px;flex:0 0 auto;}
.search-box{display:flex;align-items:center;gap:6px;border:1px solid var(--border);border-radius:var(--r-pill);padding:4px 6px 4px 16px;background:var(--white);min-width:250px;transition:border-color .2s ease,box-shadow .2s ease;}
.search-box:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,93,138,.12);}
.search-box input{border:0;outline:0;background:transparent;font-size:14px;flex:1;height:34px;color:var(--text);min-width:0;}
.search-box input::placeholder{color:var(--text-3);}
.search-box button{border:0;background:var(--blue-light);color:var(--blue);width:32px;height:32px;border-radius:50%;display:grid;place-items:center;flex:none;transition:background-color .2s ease;}
.search-box button:hover{background:#DCE9F3;}
.search-box button svg{width:16px;height:16px;}
.channel-bar{border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.channel-inner{display:flex;align-items:center;}
.channel-toggle{display:none;align-items:center;gap:8px;border:0;background:transparent;color:var(--blue-dark);font-size:14px;font-weight:600;padding:12px 2px;}
.channel-toggle svg{width:18px;height:18px;}
.channel-collapse{display:flex;align-items:center;width:100%;}
.channel-link{position:relative;display:inline-flex;align-items:center;padding:14px 20px;font-size:14px;font-weight:600;color:#3A4A59;transition:color .2s ease,box-shadow .2s ease;}
.channel-link + .channel-link{border-left:1px solid var(--border);}
.channel-link:hover{color:var(--blue);text-decoration:none;box-shadow:inset 0 -2px 0 var(--orange);}
.channel-link.active{color:var(--blue);box-shadow:inset 0 -2px 0 var(--blue);}

/* 通用板块 */
.section{padding:80px 0;}
.section-alt{background:var(--bg-alt);}
.section-tight{padding:56px 0;}
.section-head{max-width:780px;margin-bottom:36px;}
.eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.14em;color:var(--orange-dark);font-weight:700;margin-bottom:10px;}
.section-title{font-family:var(--font-serif);font-size:clamp(23px,2.5vw,32px);line-height:1.38;color:var(--blue-dark);margin:0 0 12px;}
.section-desc{font-size:15.5px;color:var(--text-2);line-height:1.9;margin:0;}
.badge-soft{display:inline-block;background:var(--blue-light);color:var(--blue-dark);font-size:12px;font-weight:600;padding:5px 10px;border-radius:var(--r-sm);line-height:1.5;}
.badge-orange{background:var(--orange-light);color:var(--orange-dark);}

/* 文章页头 */
.article-hero{background:var(--bg-alt);border-bottom:1px solid var(--border);padding:36px 0 44px;}
.breadcrumb-trail{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
.breadcrumb-trail a{color:var(--text-2);}
.breadcrumb-trail a:hover{color:var(--blue);}
.breadcrumb-trail .sep{opacity:.6;}
.article-badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.article-title{font-family:var(--font-serif);font-size:clamp(26px,3.6vw,40px);line-height:1.35;color:var(--blue-dark);margin:0 0 18px;letter-spacing:.01em;}
.article-lead{font-size:15.5px;color:var(--text-2);line-height:1.95;max-width:860px;margin:0 0 20px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:13px;color:var(--text-3);padding-top:16px;border-top:1px solid var(--border);}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta svg{width:15px;height:15px;color:var(--blue);flex:none;}
.article-cover{margin-top:28px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--border);background:var(--white);}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* 正文双栏 */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;}
.article-main-col{min-width:0;}
.article-body{font-size:16.5px;line-height:1.95;color:#26333F;max-width:760px;}
.article-body h2{font-family:var(--font-serif);font-size:24px;line-height:1.5;color:var(--blue-dark);margin:44px 0 16px;padding-left:14px;border-left:3px solid var(--blue);}
.article-body h3{font-family:var(--font-sans);font-size:19px;font-weight:700;line-height:1.6;color:var(--text);margin:30px 0 12px;}
.article-body p{margin:0 0 1.2em;}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.2em;}
.article-body li{margin-bottom:.5em;}
.article-body blockquote{margin:26px 0;padding:18px 22px;background:var(--blue-light);border-left:3px solid var(--orange);border-radius:0 var(--r-md) var(--r-md) 0;color:#33465A;font-size:15.5px;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);border:1px solid var(--border);margin:22px 0;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;font-size:14.5px;margin:24px 0;border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;}
.article-body th{background:var(--blue-light);color:var(--blue-dark);font-weight:700;text-align:left;}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--border);}
.article-body tbody tr:nth-child(even){background:#F7FAFC;}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body a{color:var(--blue);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--blue-dark);}
.article-body hr{border:0;border-top:1px solid var(--border);margin:36px 0;}

/* 空态 */
.article-empty{border:1px dashed #C9D5E0;border-radius:var(--r-lg);background:var(--white);padding:56px 28px;text-align:center;max-width:760px;}
.article-empty svg{width:44px;height:44px;color:var(--text-3);margin:0 auto 16px;}
.article-empty h2{font-family:var(--font-serif);font-size:22px;color:var(--blue-dark);margin:0 0 10px;border:0;padding:0;}
.article-empty p{color:var(--text-2);font-size:15px;margin:0 0 22px;}

/* 侧栏 */
.article-aside{position:sticky;top:24px;display:flex;flex-direction:column;gap:20px;}
.aside-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-sm);padding:22px;}
.aside-title{font-family:var(--font-sans);font-size:15px;font-weight:700;color:var(--blue-dark);margin:0 0 14px;display:flex;align-items:center;gap:8px;}
.aside-title::before{content:"";width:3px;height:15px;border-radius:2px;background:var(--orange);display:inline-block;}
.toc-toggle{display:none;align-items:center;justify-content:center;width:100%;border:1px solid var(--border);background:var(--bg-alt);color:var(--blue);border-radius:var(--r-sm);font-size:13px;font-weight:600;padding:8px 10px;margin-bottom:12px;}
.toc-list{list-style:none;margin:0;padding:0;border-left:1px solid var(--border);}
.toc-list li{margin:0;}
.toc-list a{display:block;padding:7px 12px;margin-left:-1px;border-left:2px solid transparent;font-size:13.5px;line-height:1.6;color:var(--text-2);}
.toc-list a:hover{color:var(--blue);background:var(--blue-light);text-decoration:none;}
.toc-list a.is-active{color:var(--blue);border-left-color:var(--blue);background:var(--blue-light);font-weight:600;}
.toc-list .toc-sub a{padding-left:26px;font-size:13px;}
.toc-empty{font-size:13px;color:var(--text-3);margin:0;}
.hot-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.hot-list li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;line-height:1.7;}
.hot-list .num{flex:none;width:20px;height:20px;border-radius:6px;background:var(--blue-light);color:var(--blue-dark);font-size:12px;font-weight:700;display:grid;place-items:center;margin-top:3px;}
.hot-list li:first-child .num{background:var(--orange-light);color:var(--orange-dark);}
.hot-list a{color:var(--text-2);}
.hot-list a:hover{color:var(--blue);}
.dl-card{background:linear-gradient(180deg,#F4F8FC 0%,#FFFFFF 100%);border:1px solid #D8E5F0;}
.dl-card .dl-ver{display:flex;align-items:baseline;gap:8px;margin-bottom:10px;}
.dl-card .dl-ver strong{font-family:var(--font-serif);font-size:22px;color:var(--blue-dark);line-height:1.2;}
.dl-card .dl-ver span{font-size:12px;color:var(--text-3);}
.dl-card p{font-size:13px;color:var(--text-2);line-height:1.8;margin:0 0 14px;}
.dl-card .btn{width:100%;}
.safe-card{background:var(--orange-light);border:1px solid #F2DCC9;}
.safe-card .aside-title{color:var(--orange-dark);}
.safe-card .aside-title::before{background:var(--orange-dark);}
.safe-card ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;}
.safe-card li{font-size:13px;line-height:1.7;color:#7A4A28;display:flex;gap:8px;}
.safe-card li svg{width:15px;height:15px;flex:none;margin-top:4px;}

/* 文末提示卡 */
.end-note{margin-top:44px;background:var(--blue-light);border-left:3px solid var(--orange);border-radius:0 var(--r-md) var(--r-md) 0;padding:24px 26px;max-width:760px;}
.end-note h3{font-family:var(--font-sans);font-size:16.5px;font-weight:700;color:var(--blue-dark);margin:0 0 14px;display:flex;align-items:center;gap:8px;}
.end-note h3 svg{width:19px;height:19px;color:var(--orange-dark);}
.end-note ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.end-note li{font-size:14.5px;line-height:1.8;color:#33465A;display:flex;gap:9px;}
.end-note li svg{width:15px;height:15px;flex:none;margin-top:5px;color:var(--blue);}

/* 相关推荐 */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-sm);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease;display:flex;flex-direction:column;}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);}
.rel-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt);}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rel-card:hover .thumb img{transform:scale(1.04);}
.rel-card .body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-card h3{font-size:16px;font-weight:700;line-height:1.6;color:var(--text);margin:0;}
.rel-card h3 a{color:var(--text);}
.rel-card h3 a:hover{color:var(--blue);text-decoration:none;}
.rel-card .date{font-size:12.5px;color:var(--text-3);margin-top:auto;}

/* 上下篇 */
.pn-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.pn-card{display:flex;flex-direction:column;gap:8px;padding:24px 26px;background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.pn-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:#CBDCEA;text-decoration:none;}
.pn-card .pn-label{font-size:12.5px;letter-spacing:.1em;color:var(--orange-dark);font-weight:700;}
.pn-card .pn-title{font-size:16.5px;font-weight:700;line-height:1.6;color:var(--blue-dark);display:flex;align-items:center;justify-content:space-between;gap:12px;}
.pn-card .pn-title svg{width:18px;height:18px;flex:none;color:var(--blue);}
.pn-back{margin-top:22px;font-size:14px;}

/* 自查清单 */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.check-item{display:flex;gap:14px;padding:22px 24px;background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-sm);}
.check-item .ck{flex:none;width:38px;height:38px;border-radius:10px;background:var(--blue-light);display:grid;place-items:center;color:var(--blue);}
.check-item .ck svg{width:20px;height:20px;}
.check-item h3{font-size:15.5px;font-weight:700;color:var(--text);margin:0 0 6px;}
.check-item p{font-size:13.8px;line-height:1.8;color:var(--text-2);margin:0;}

/* 文末 CTA */
.cta-band{background:var(--blue-light);border:1px solid #D8E5F0;border-radius:var(--r-lg);padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px;}
.cta-band h2{font-family:var(--font-serif);font-size:clamp(21px,2.3vw,28px);color:var(--blue-dark);margin:0 0 10px;line-height:1.4;}
.cta-band p{margin:0;font-size:14.5px;color:var(--text-2);line-height:1.9;max-width:660px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:none;}

/* 页脚 */
.site-footer{background:var(--blue-dark);color:#DCE6EF;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.14);}
.footer-logo{font-family:var(--font-serif);font-size:22px;font-weight:700;color:#FFFFFF;margin-bottom:14px;letter-spacing:.02em;}
.footer-brand p{font-size:13.5px;line-height:1.85;color:#C3D2DF;margin:0 0 12px;max-width:420px;}
.footer-safe{color:#F0C9A9 !important;font-size:13px !important;}
.site-footer h4{font-family:var(--font-sans);font-size:14px;font-weight:700;color:#FFFFFF;margin:0 0 16px;letter-spacing:.04em;}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:13.5px;color:#C3D2DF;}
.footer-links a:hover{color:#FFFFFF;text-decoration:underline;}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:22px 0 28px;font-size:12.5px;color:#9FB4C6;}
.footer-bottom a{color:#C3D2DF;}
.footer-bottom a:hover{color:#FFFFFF;}

/* 响应式 */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr) 292px;gap:36px;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .masthead{flex-direction:column;align-items:flex-start;gap:18px;padding-top:20px;padding-bottom:18px;}
  .mast-tools{justify-content:flex-start;width:100%;padding-top:0;}
  .search-box{min-width:0;flex:1 1 220px;}
  .channel-toggle{display:inline-flex;}
  .channel-collapse{display:none;flex-direction:column;align-items:stretch;width:100%;padding-bottom:10px;}
  .channel-collapse.open{display:flex;}
  .channel-link{padding:12px 4px;border-top:1px solid var(--border);}
  .channel-link + .channel-link{border-left:0;}
  .channel-link:hover,.channel-link.active{box-shadow:inset 3px 0 0 var(--blue);padding-left:12px;}
  .article-layout{grid-template-columns:1fr;gap:36px;}
  .article-aside{position:static;}
  .toc-toggle{display:inline-flex;}
  .toc-list.collapsed{display:none;}
  .article-body{max-width:none;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767.98px){
  .article-hero{padding:26px 0 34px;}
  .article-title{font-size:26px;}
  .check-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .pn-grid{grid-template-columns:1fr;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
}
@media (max-width:575.98px){
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:48px 0;}
  .brand-name{font-size:26px;}
  .mast-tools .btn-sm{padding:8px 14px;}
  .search-box{flex:1 1 100%;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .cta-actions{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .article-body{font-size:16px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}