/* roulang page: index */
:root{
  --base:#2E6B92;
  --dark:#1E4F73;
  --light-bg:#F0F6FA;
  --light-blue:#E7F0F7;
  --accent:#1E9E87;
  --accent-soft:rgba(30,158,135,.12);
  --warn:#F0A54A;
  --text-main:#1B2C38;
  --text-body:#53656F;
  --text-weak:#84979F;
  --border:#E4EDF3;
  --white:#fff;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 6px 20px rgba(45,80,102,.06);
  --shadow-hover:0 14px 32px rgba(45,80,102,.12);
  --shadow-nav:0 4px 20px rgba(45,80,102,.08);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;
  --container:1200px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:130px}
body{font-family:var(--font);font-size:16px;line-height:1.75;color:var(--text-body);background:var(--white);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{color:var(--base);text-decoration:none;transition:color .2s}
a:hover{color:var(--dark)}
ul,ol{list-style:none}
button,input,textarea,select{font-family:inherit;font-size:1rem}
input[type="search"]::-webkit-search-decoration,input[type="search"]::-webkit-search-cancel-button,input[type="search"]::-webkit-search-results-button,input[type="search"]::-webkit-search-results-decoration{-webkit-appearance:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-inline:var(--gutter)}
.skip-link{position:absolute;left:-999px;top:0;background:var(--dark);color:#fff;padding:10px 16px;z-index:999;border-radius:0 0 10px 0}
.skip-link:focus{left:0;color:#fff}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
html{scroll-padding-top:132px}
body.no-scroll{overflow:hidden}

/* ===== 顶部站点条 ===== */
.site-header{position:sticky;top:0;z-index:1000;background:var(--white);transition:box-shadow .3s}
.site-header.compact{box-shadow:var(--shadow-nav)}
.topbar{background:var(--light-bg);border-bottom:1px solid var(--border);transition:max-height .3s,opacity .3s;max-height:36px;overflow:hidden}
.topbar-row{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:36px;font-size:12px;color:var(--text-weak)}
.topbar-tip{display:flex;align-items:center;gap:8px;font-weight:500;color:var(--text-body)}
.pulse-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 rgba(30,158,135,.4);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(30,158,135,.4)}70%{box-shadow:0 0 0 8px rgba(30,158,135,0)}100%{box-shadow:0 0 0 0 rgba(30,158,135,0)}}
.topbar-links{display:flex;gap:20px}
.topbar-links a{color:var(--text-weak)}
.topbar-links a:hover{color:var(--base)}

/* ===== 主导航 ===== */
.mainbar{background:var(--white)}
.mainbar-row{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;letter-spacing:.5px;color:#fff;background:var(--dark);border-radius:12px;padding:5px 12px;line-height:1.45}
.brand-sub{font-size:18px;font-weight:600;color:var(--text-main)}
.brand-divider{width:1px;height:24px;background:var(--border)}
.main-nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:8px}
.nav-link{display:inline-block;padding:8px 4px;font-size:15px;font-weight:500;color:var(--text-body);position:relative;line-height:1.6}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;background:var(--base);transform:scaleX(0);transform-origin:left;transition:transform .2s}
.nav-link:hover{color:var(--base)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--dark);font-weight:600}
.nav-tools{display:flex;align-items:center;gap:14px;flex-shrink:0}
.search-form{display:flex;align-items:center;width:220px;background:var(--light-bg);border:1px solid var(--border);border-radius:999px;padding:5px 6px 5px 14px;transition:border-color .2s,box-shadow .2s}
.search-form:focus-within{border-color:var(--base);box-shadow:0 0 0 3px rgba(46,107,146,.12);background:#fff}
.search-icon{flex-shrink:0;display:inline-flex;width:18px;height:18px;color:var(--text-weak);margin-right:4px}
.search-form input{flex:1;min-width:0;border:0;background:transparent;outline:0;font-size:14px;color:var(--text-main);height:24px}
.search-form input::placeholder{color:var(--text-weak)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;line-height:1.2;padding:11px 20px;transition:all .2s;font-size:15px}
.btn-primary{background:var(--dark);color:#fff;box-shadow:0 4px 14px rgba(30,79,115,.18)}
.btn-primary:hover{background:var(--base);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(46,107,146,.24)}
.btn-primary:active{transform:translateY(0)}
.btn-primary:focus-visible{outline:3px solid rgba(240,165,74,.5);outline-offset:2px}
.btn-outline{background:#fff;border-color:var(--base);color:var(--base)}
.btn-outline:hover{background:var(--light-bg);color:var(--dark);border-color:var(--dark)}
.btn-warm{background:var(--warn);border-color:var(--warn);color:var(--dark)}
.btn-warm:hover{background:#f5b769;border-color:#f5b769;color:var(--dark);transform:none;box-shadow:0 8px 18px rgba(240,165,74,.2)}
.btn-header{padding:9px 16px;font-size:14px;background:var(--dark);color:#fff}
.btn-header:hover{background:var(--base);transform:translateY(-1px)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle span{width:18px;height:2px;background:var(--text-main);border-radius:1px;transition:.3s}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== 频道栏 ===== */
.channel-bar{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.channel-row{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:46px}
.channel-group{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.channel-label{font-size:13px;font-weight:600;color:var(--text-weak);margin-right:10px;display:inline-flex;align-items:center;gap:6px}
.channel-label::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--base)}
.channel-group a{padding:7px 12px;font-size:14px;border-radius:999px;color:var(--text-body);transition:all .2s}
.channel-group a:hover{background:var(--light-bg);color:var(--base)}
.channel-group a.active{background:var(--light-blue);color:var(--dark);font-weight:600}
.hot-keywords{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-weak);flex-shrink:0}
.hot-keywords span{font-weight:500}
.hot-keywords a{color:var(--text-body);background:var(--light-bg);border-radius:999px;padding:4px 10px;font-size:12px;transition:all .2s}
.hot-keywords a:hover{background:var(--light-blue);color:var(--base)}

/* ===== Hero ===== */
.hero{background:var(--light-bg);position:relative;overflow:hidden;border-bottom:1px solid var(--border)}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(46,107,146,.16) 1px,transparent 1px);background-size:24px 24px;opacity:.3;pointer-events:none}
.hero-inner{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:center;gap:64px;padding-top:76px;padding-bottom:76px;position:relative;z-index:1}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(30,158,135,.1);border:1px solid rgba(30,158,135,.18);color:var(--accent);font-weight:600;font-size:14px;border-radius:999px;padding:6px 16px;margin-bottom:22px}
.hero-eyebrow::before{content:"";width:7px;height:7px;background:var(--accent);border-radius:999px;box-shadow:0 0 0 3px var(--accent-soft)}
.hero h1{font-size:40px;line-height:1.3;color:var(--text-main);font-weight:700;letter-spacing:0;max-width:640px}
.hero h1 .highlight{color:var(--base);position:relative;white-space:nowrap}
.hero-lead{font-size:17px;line-height:1.9;color:var(--text-body);margin-top:22px;max-width:570px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px}
.hero-note{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-weak);margin-top:18px}
.hero-note svg{width:16px;height:16px;color:var(--accent)}
.hero-media{position:relative}
.hero-media::before{content:"";position:absolute;top:42px;right:-20px;width:calc(100% - 40px);height:calc(100% - 40px);background:var(--light-blue);border-radius:var(--radius);transform:rotate(2deg);z-index:0}
.hero-panel{position:relative;z-index:1;background:#fff;border-radius:var(--radius);padding:14px;box-shadow:var(--shadow-hover)}
.hero-panel-img{position:relative;overflow:hidden;border-radius:12px;min-height:320px;background:var(--light-bg);display:flex;align-items:center;justify-content:center}
.hero-panel-img img{width:100%;height:320px;object-fit:cover;transition:transform .4s}
.hero-panel:hover .hero-panel-img img{transform:scale(1.02)}
.hero-panel-body{padding:18px 12px 10px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.hero-panel-info small{display:block;font-size:13px;color:var(--text-weak);margin-bottom:3px}
.hero-panel-info strong{display:block;font-size:17px;color:var(--text-main);font-weight:600}
.hero-status{display:inline-flex;align-items:center;gap:6px;background:var(--accent-soft);color:var(--accent);font-size:13px;font-weight:600;padding:6px 12px;border-radius:999px}
.hero-link{color:var(--base);font-weight:600;font-size:14px}
.hero-link:hover{color:var(--dark)}

/* ===== 数据信任带 ===== */
.stats-strip{border-bottom:1px solid var(--border);background:#fff}
.stats-grid{display:flex;align-items:stretch;justify-content:space-between;gap:12px;padding-top:22px;padding-bottom:22px}
.stat-item{display:flex;align-items:center;gap:18px;flex:1;padding:10px 20px;position:relative}
.stat-item:not(:last-child)::after{content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);width:1px;height:40px;background:var(--border)}
.stat-num{font-family:var(--mono);font-size:30px;font-weight:700;color:var(--dark);line-height:1.1;letter-spacing:-.5px}
.stat-label{font-size:14px;color:var(--text-body);max-width:130px;line-height:1.5}
.stat-label small{display:block;color:var(--text-weak);font-size:12px}
.stat-icon{width:42px;height:42px;border-radius:12px;background:var(--light-bg);display:flex;align-items:center;justify-content:center;color:var(--base;flex-shrink:0)}

/* ===== 通用section ===== */
.section{padding:96px 0}
.section-head{max-width:760px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--accent);font-weight:700;letter-spacing:2px;margin-bottom:14px}
.kicker::before{content:"";width:24px;height:2px;background:var(--accent)}
.section-head.center .kicker::before,.section-head.center .kicker::after{width:24px;height:2px;background:var(--accent)}
.section-head.center .kicker::after{content:""}
.section-title{font-size:28px;line-height:1.4;font-weight:700;color:var(--text-main)}
.section-desc{margin-top:14px;font-size:16px;line-height:1.9;color:var(--text-body)}
.section-head .section-note{margin-top:12px;font-size:15px;color:var(--text-weak)}

/* ===== 三步上手 ===== */
.steps-section{background:#fff}
.step-chain{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.step-chain::before{content:"";position:absolute;top:54px;left:14%;right:14%;border-top:2px dashed var(--border);z-index:0}
.step-card{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:32px 26px 28px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;z-index:1}
.step-card:nth-child(2){transform:translateY(-12px)}
.step-card:hover{box-shadow:var(--shadow-hover);transform:none}
.step-card:nth-child(2):hover{transform:translateY(-4px)}
.step-num{font-family:var(--mono);font-size:44px;font-weight:700;color:var(--base);opacity:.9;line-height:1;letter-spacing:-2px;margin-bottom:14px;display:inline-block}
.step-divider{width:30px;height:3px;background:var(--accent);border-radius:3px;margin-bottom:16px}
.step-card h3{font-size:20px;font-weight:700;color:var(--text-main)}
.step-card p{margin-top:10px;font-size:14px;line-height:1.85;color:var(--text-body);min-height:74px}
.step-action{display:inline-flex;align-items:center;gap:5px;margin-top:16px;color:var(--base);font-weight:600;font-size:14px}
.step-action:hover{color:var(--dark);gap:9px}
.step-chain .step-card:last-child .step-divider{background:var(--warn)}

/* ===== 分类导航区块 ===== */
.map-section{background:var(--light-bg);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.map-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:stretch}
.map-card{position:relative;display:flex;flex-direction:column;justify-content:flex-end;min-height:420px;border-radius:var(--radius);overflow:hidden;background:var(--dark);padding:34px;color:#fff;box-shadow:var(--shadow);transition:box-shadow .25s,transform .25s}
.map-card > *{position:relative;z-index:2}
.map-card::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(27,44,56,0) 20%,rgba(27,44,56,.52) 100%)}
.map-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.map-card.map-secondary{background:var(--base)}
.map-card-media{position:absolute;inset:0;z-index:0}
.map-card-media img,.map-card-media source{width:100%;height:100%;object-fit:cover}
.map-card .map-tag{font-size:12px;font-weight:600;letter-spacing:1px;color:rgba(255,255,255,.9);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);padding:4px 12px;border-radius:999px;align-self:flex-start;margin-bottom:auto;backdrop-filter:blur(4px)}
.map-card h3{font-size:24px;color:#fff;margin-top:150px;line-height:1.4}
.map-card.map-secondary h3{margin-top:110px}
.map-card p{color:rgba(255,255,255,.92);font-size:14px;line-height:1.8;margin-top:8px;max-width:430px}
.map-action{margin-top:18px;display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:9px 18px;width:max-content;transition:all .2s}
.map-card:hover .map-action{background:var(--warn);border-color:var(--warn);color:var(--dark)}

/* ===== 状态总结区 ===== */
.insight-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:center}
.insight-media{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.img-card{border-radius:var(--radius);overflow:hidden;background:var(--light-bg)}
.img-card:first-child{margin-top:40px;box-shadow:var(--shadow-hover)}
.img-card:last-child{margin-bottom:40px;border-radius:18px}
.img-card img{width:100%;height:240px;object-fit:cover}
.insight-content h2{font-size:30px;line-height:1.4;font-weight:700;color:var(--text-main)}
.insight-content > p{margin-top:16px;line-height:2;font-size:16px;color:var(--text-body)}
.check-list{margin-top:28px;display:grid;gap:18px}
.check-list li{display:flex;gap:14px;align-items:flex-start;padding:0}
.check-icon{width:24px;height:24px;border-radius:8px;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:3px}
.check-icon svg{width:14px;height:14px}
.check-list strong{color:var(--text-main);font-weight:600;font-size:16px}
.check-list p{font-size:15px;color:var(--text-body);margin-top:2px;line-height:1.7}
.insight-cta{margin-top:34px;display:inline-flex;align-items:center;gap:10px}

/* ===== 资讯区 ===== */
.news-section{background:var(--light-bg);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.news-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,.7fr);gap:40px}
.news-layout .section-head{margin-bottom:28px}
.news-panel{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:8px 0;overflow:hidden}
.news-panel-head{display:flex;align-items:center;justify-content:space-between;padding:22px 26px 6px}
.news-panel-head h3{font-size:18px;color:var(--text-main);font-weight:700}
.news-panel-head a{font-size:13px;color:var(--text-weak)}
.news-panel-head a:hover{color:var(--base)}
.news-list{padding:12px 0 0}
.news-row{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:22px 26px;border-bottom:1px solid var(--border);transition:background .2s}
.news-row:last-child{border-bottom:0}
.news-row:hover{background:var(--light-bg)}
.news-main{min-width:0;flex:1}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.news-cat{font-size:12px;font-weight:600;color:var(--base);background:rgba(46,107,146,.08);padding:3px 10px;border-radius:999px}
.news-status{font-size:12px;color:var(--accent);display:inline-flex;align-items:center;gap:4px}
.news-status::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent)}
.news-title{font-size:17px;font-weight:600;color:var(--text-main);line-height:1.6;transition:color .15s;display:block}
.news-title:hover{color:var(--base)}
.news-summary{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:14px;line-height:1.8;color:var(--text-weak);margin-top:6px}
.news-side{display:flex;flex-direction:column;align-items:flex-end;gap:8px;flex-shrink:0}
.news-side time{font-family:var(--mono);font-size:13px;color:var(--text-weak)}
.news-arrow{display:inline-flex;width:28px;height:28px;border-radius:999px;align-items:center;justify-content:center;font-size:18px;background:var(--light-bg);color:var(--base);transition:all .2s}
.news-row:hover .news-arrow{background:var(--base);color:#fff}
.empty-state{border:1.5px dashed var(--border);border-radius:16px;background:#fff;color:var(--text-weak);font-size:15px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:66px 20px;gap:12px;text-align:center}
.news-aside{display:flex;flex-direction:column;gap:20px}
.info-card{border-radius:var(--radius);background:#fff;border:1px solid var(--border);padding:26px;box-shadow:var(--shadow)}
.info-card h3{font-size:17px;color:var(--text-main);font-weight:700;margin-bottom:14px;padding-left:14px;position:relative}
.info-card h3::before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:4px;border-radius:4px;background:var(--accent)}
.mini-link-list{display:grid;gap:0}
.mini-link-list li{border-bottom:1px dashed var(--border)}
.mini-link-list li:last-child{border-bottom:0}
.mini-link-list a{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:13px 0;font-size:14px;color:var(--text-body)}
.mini-link-list a span{color:var(--text-weak);font-size:13px;white-space:nowrap}
.mini-link-list a:hover{color:var(--base)}
.mini-card{display:block;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:#fff;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;margin-top:auto}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.mini-card img{width:100%;height:130px;object-fit:cover}
.mini-card-body{padding:16px 18px 18px;font-size:14px;font-weight:600;color:var(--text-main);line-height:1.6}
.mini-card-body small{display:block;color:var(--text-weak);font-weight:400;font-size:12px;margin-top:6px}

/* ===== FAQ ===== */
.faq-section{background:#fff}
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{border-top:1px solid var(--border);padding:0}
.faq-item:last-child{border-bottom:1px solid var(--border)}
.faq-question{width:100%;border:0;background:none;display:flex;align-items:flex-start;justify-content:space-between;gap:24px;text-align:left;padding:24px 10px;cursor:pointer;transition:background .2s;border-radius:8px}
.faq-question:hover{background:var(--light-bg)}
.faq-q-left{display:flex;gap:16px;align-items:center}
.faq-icon{width:24px;height:24px;flex-shrink:0;border-radius:50%;background:var(--light-bg);color:var(--text-weak);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:600;transition:all .2s}
.faq-item .faq-question.open .faq-icon{background:var(--base);color:#fff}
.faq-q-text{font-size:17px;font-weight:600;color:var(--text-main);line-height:1.6}
.faq-chevron{transition:transform .3s;color:var(--text-weak);flex-shrink:0;margin-top:6px}
.faq-item .faq-question.open .faq-chevron{transform:rotate(180deg);color:var(--base)}
.faq-answer{max-height:0;overflow:hidden;padding:0 18px 0 50px;transition:max-height .35s ease,padding .35s ease}
.faq-item.open .faq-answer{max-height:500px;padding-bottom:26px;padding-right:20px}
.faq-answer-content{background:var(--light-bg);border-radius:12px;padding:20px 24px;color:var(--text-body);font-size:15px;line-height:1.95}
.faq-answer-content strong{color:var(--text-main)}
.faq-more{margin-top:72px;text-align:center;background:var(--light-bg);border-radius:16px;padding:28px}
.faq-more p{color:var(--text-body);font-size:15px}
.faq-more a{font-weight:600}

/* ===== CTA ===== */
.cta-section{background:#fff;padding-bottom:110px}
.cta-box{position:relative;border-radius:24px;background:var(--dark);color:#fff;display:grid;grid-template-columns:1fr 1fr;overflow:hidden;padding:56px 56px;background-image:linear-gradient(135deg,rgba(30,79,115,.94),rgba(30,79,115,.92)),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center}
.cta-box::after{content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;background:rgba(240,165,74,.10);pointer-events:none}
.cta-content{position:relative;z-index:1}
.cta-content h2{color:#fff;font-size:29px;line-height:1.45;font-weight:700}
.cta-content p{margin-top:16px;color:rgba(255,255,255,.9);font-size:15px;line-height:1.9;max-width:420px}
.cta-content ul{list-style:none;display:flex;flex-wrap:wrap;gap:18px;margin-top:22px}
.cta-content ul li{display:flex;align-items:center;gap:6px;font-size:13px;color:rgba(255,255,255,.95)}
.cta-content ul li::before{content:"✓";color:var(--warn)}
.cta-form-panel{background:#fff;border-radius:16px;padding:28px;box-shadow:0 18px 50px rgba(0,0,0,.25);position:relative;z-index:2;align-self:center;color:var(--text-body)}
.cta-form-panel h3{font-size:19px;color:var(--text-main);margin-bottom:6px}
.cta-form-panel > p{font-size:13px;color:var(--text-weak);margin-bottom:20px}
.cta-form{display:grid;gap:14px}
.cta-form input{width:100%;height:46px;border:1px solid var(--border);border-radius:10px;padding:0 16px;font-size:14px;color:var(--text-main);outline:0;transition:border-color .2s,box-shadow .2s}
.cta-form input:focus{border-color:var(--base);box-shadow:0 0 0 3px rgba(46,107,146,.1)}
.cta-form input::placeholder{color:var(--text-weak)}
.cta-form .btn{width:100%;height:46px;font-size:15px}
.form-tip{font-size:12px;color:var(--text-weak);text-align:center;line-height:1.7;margin-top:4px}
.form-feedback{display:none;font-size:14px;color:var(--accent);background:var(--accent-soft);border-radius:8px;padding:10px 12px;text-align:center}

/* ===== Footer ===== */
.site-footer{background:#1E2B33;color:#B7C6CD;font-size:14px}
.footer-top{padding:66px 0 48px;display:grid;grid-template-columns:1.1fr .7fr .75fr 1fr;gap:44px}
.footer-brand .footer-logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff}
.footer-brand .footer-logo .brand-mark{background:var(--base)}
.footer-brand p{margin-top:16px;line-height:1.9;color:#8FA8B3;font-size:13px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-col ul{display:grid;gap:11px}
.footer-col ul a{color:#8FA8B3;font-size:14px}
.footer-col ul a:hover{color:#fff}
.footer-note{margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.07);font-size:12px;line-height:2;color:#78929D}
.footer-bottom{background:#17232A;padding:18px 0}
.footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:12px;color:#78929D}
.footer-bottom-inner .footer-link{display:flex;gap:22px}
.footer-bottom-inner a{color:#78929D}
.footer-bottom-inner a:hover{color:#fff}
.footer-bottom-inner span.footer-domain{font-family:var(--mono)}
.footer-bottom-inner .icp-slot{opacity:.7}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .hero-inner{gap:36px;padding-top:56px;padding-bottom:56px}
  .hero h1{font-size:33px}
  .search-form{width:180px}
  .map-card h3{font-size:21px}
  .insight-grid{gap:44px}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .hero-inner{grid-template-columns:1fr;gap:46px}
  .hero-media{max-width:560px;margin:0 auto}
  .stats-grid{flex-wrap:wrap}
  .stat-item{flex:1 1 31%;justify-content:center}
  .step-chain{grid-template-columns:1fr}
  .step-card:nth-child(2){transform:none}
  .step-card p{min-height:0}
  .map-grid{grid-template-columns:1fr}
  .map-card,.map-card.map-secondary{min-height:360px}
  .map-card h3,.map-card.map-secondary h3{margin-top:112px}
  .insight-grid{grid-template-columns:1fr}
  .insight-media{max-width:600px}
  .news-layout{grid-template-columns:1fr}
  .cta-box{grid-template-columns:1fr;gap:32px;padding:44px 32px}
  .cta-form-panel{width:100%}
  .footer-top{grid-template-columns:1fr 1fr}
  .channel-bar{display:none}
  .main-nav{position:fixed;top:0;right:-380px;width:min(82vw,340px);height:100vh;background:#fff;box-shadow:-10px 0 40px rgba(0,0,0,.1);z-index:1200;padding:30px 24px;transition:right .3s ease;display:block}
  .main-nav.open{right:0}
  .main-nav .nav-list{display:flex;flex-direction:column;align-items:flex-start;gap:6px}
  .nav-link{font-size:16px;padding:12px 0;display:block}
  .nav-toggle{display:inline-flex}
  .brand-sub{font-size:16px}
  .brand-mark{font-size:18px}
  .nav-tools .search-form{display:none}
  .topbar{display:none}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .hero-inner{padding-top:44px;padding-bottom:48px}
  .hero h1{font-size:27px;line-height:1.4}
  .hero-lead{font-size:16px}
  .hero-panel-img,.hero-panel-img img{height:260px}
  .stats-grid{display:grid;grid-template-columns:1fr;gap:6px}
  .stat-item:not(:last-child)::after{display:none}
  .stat-item{justify-content:flex-start;padding:10px 6px}
  .stat-item + .stat-item{border-top:1px solid var(--border)}
  .stat-num{font-size:24px}
  .section-title{font-size:23px;line-height:1.45}
  .section-head{margin-bottom:34px}
  .news-list{padding-top:2px}
  .news-row{flex-direction:column;align-items:flex-start;gap:12px;padding:19px 22px}
  .news-side{flex-direction:row;align-items:center;justify-content:space-between;width:100%}
  .insight-content h2{font-size:23px}
  .insight-media{grid-template-columns:1fr 1fr;gap:12px}
  .img-card img{height:200px}
  .map-grid{gap:18px}
  .map-card,.map-card.map-secondary{min-height:330px;padding:25px}
  .map-card h3,.map-card.map-secondary h3{margin-top:100px;font-size:20px}
  .faq-question{padding:19px 4px}
  .faq-q-text{font-size:16px}
  .faq-answer-content{padding:16px 18px}
  .faq-answer{padding-left:40px}
  .cta-box{padding:34px 22px;border-radius:18px}
  .cta-content h2{font-size:23px}
  .footer-top{grid-template-columns:1fr;gap:32px;padding:50px 0 34px}
  .footer-bottom-inner{flex-direction:column;text-align:center}
  .footer-note{padding-bottom:14px}
  .btn-header{padding:9px 14px}
}

/* roulang page: article */
:root{
  --base:#2E6B92;
  --base-deep:#1E4F73;
  --bg-soft:#F0F6FA;
  --accent:#1E9E87;
  --warn:#F0A54A;
  --text-main:#1B2C38;
  --text-body:#53656F;
  --text-muted:#84979F;
  --line:#E4EDF3;
  --shadow-card:0 6px 20px rgba(45,80,102,.06);
  --shadow-hover:0 14px 32px rgba(45,80,102,.12);
  --shadow-sticky:0 4px 20px rgba(45,80,102,.08);
  --radius-lg:16px;
  --radius-md:10px;
  --radius-tag:999px;
  --max-w:1200px;
  --read-w:860px;
  --font-main:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-main);font-size:16px;line-height:1.7;color:var(--text-body);background:#fff}
img{display:block;max-width:100%}
a{color:var(--base);text-decoration:none;transition:color .25s ease}
ul,ol{list-style:none}
button,input,textarea{font:inherit;color:inherit;border:none;background:none}
button{cursor:pointer;line-height:1}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 24px}
a:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ================= Header ================= */
.site-header{background:#fff;position:relative;z-index:300}
.topbar{background:var(--bg-soft);border-bottom:1px solid rgba(228,237,243,.8)}
.topbar-row{display:flex;align-items:center;justify-content:space-between;height:36px;font-size:13px;gap:16px}
.topbar-tip{display:flex;align-items:center;color:var(--text-body);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pulse-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:8px;display:inline-block;position:relative}
.pulse-dot::after{content:'';position:absolute;inset:-4px;border:1px solid rgba(30,158,135,.5);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%{transform:scale(.6);opacity:.8}100%{transform:scale(1.6);opacity:0}}
.topbar-links{display:flex;gap:18px}
.topbar-links a{color:var(--text-muted);font-size:12px}
.topbar-links a:hover{color:var(--base)}
.mainbar{position:sticky;top:0;z-index:300;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);box-shadow:none;transition:box-shadow .3s ease,border-color .3s ease;border-bottom:1px solid transparent}
.mainbar.scrolled{box-shadow:var(--shadow-sticky)}
.mainbar-row{display:flex;align-items:center;justify-content:space-between;height:68px;gap:22px;transition:height .3s ease}
.mainbar.scrolled .mainbar-row{height:58px}
.brand{display:flex;align-items:baseline;flex-shrink:0}
.brand-mark{font-size:25px;font-weight:800;color:var(--base-deep);letter-spacing:-.5px}
.brand-mark::after{content:'';display:inline-block;width:2px;height:18px;background:var(--accent);margin:0 8px -1px;border-radius:2px}
.brand-sub{font-size:15px;font-weight:600;color:var(--text-body)}
.main-nav{margin-left:auto}
.nav-list{display:flex;gap:6px;align-items:center}
.nav-link{display:inline-block;padding:9px 14px;border-radius:8px;color:var(--text-body);font-size:15px;font-weight:500;position:relative}
.nav-link::after{content:'';position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-link:hover{color:var(--base-deep);background:rgba(240,246,250,.6)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--base-deep);background:rgba(46,107,146,.08);font-weight:600}
.nav-link.active::after{transform:scaleX(1);background:var(--base)}
.nav-tools{display:flex;align-items:center;gap:14px;flex-shrink:0}
.search-form{position:relative;display:flex;align-items:center}
.search-icon{position:absolute;left:13px;width:16px;height:16px;color:var(--text-muted);pointer-events:none}
.search-form input{width:190px;height:38px;border:1px solid var(--line);border-radius:var(--radius-tag);padding:0 16px 0 38px;font-size:14px;color:var(--text-main);background:var(--bg-soft);transition:border-color .25s,box-shadow .25s,background .25s}
.search-form input::placeholder{color:var(--text-muted)}
.search-form input:focus{outline:none;background:#fff;border-color:var(--base);box-shadow:0 0 0 3px rgba(46,107,146,.12)}
.btn{display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 20px;border-radius:var(--radius-md);font-weight:600;font-size:15px;border:1px solid transparent;transition:background .25s,transform .25s,box-shadow .25s,color .25s,border-color .25s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--base);color:#fff}
.btn-primary:hover{background:var(--base-deep);box-shadow:0 8px 20px rgba(30,79,115,.25)}
.btn-header{height:38px;background:var(--base);color:#fff;padding:0 18px}
.btn-header:hover{background:var(--base-deep);color:#fff}
.btn-orange{background:var(--warn);color:#fff}
.btn-orange:hover{background:#e8962f;color:#fff;box-shadow:0 10px 24px rgba(240,165,74,.28)}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px;border-radius:8px;border:1px solid var(--line)}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--text-body);transition:transform .25s ease,opacity .25s ease}
.nav-toggle.isOpen span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.isOpen span:nth-child(2){opacity:0}
.nav-toggle.isOpen span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.channel-bar{position:sticky;top:0;z-index:299;background:#fff;border-bottom:1px solid var(--line);transition:top .3s ease,box-shadow .3s ease}
.channel-row{display:flex;height:44px;align-items:center;gap:14px;justify-content:space-between}
.channel-label{font-size:13px;color:var(--text-muted);font-weight:500}
.channel-group{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.channel-group::-webkit-scrollbar{display:none}
.channel-group a{display:inline-block;padding:6px 12px;margin-left:4px;font-size:14px;color:var(--text-body);border-radius:var(--radius-tag);white-space:nowrap}
.channel-group a:hover{background:var(--bg-soft);color:var(--base-deep)}
.channel-group a.active{background:rgba(46,107,146,.7);color:#fff}
.channel-group a.active:hover{background:var(--base-deep)}
.hot-keywords{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);white-space:nowrap}
.hot-keywords a{display:inline-block;background:var(--bg-soft);border-radius:var(--radius-tag);padding:3px 11px;color:var(--text-muted);font-size:12px;transition:background .2s,color .2s}
.hot-keywords a:hover{background:rgba(240,165,74,.16);color:#bd7320}

/* ================= Article Breadcrumb ================= */
.article-crumb-section{background:var(--bg-soft);border-bottom:1px solid var(--line)}
.article-crumb-inner{display:flex;align-items:center;gap:8px;height:48px;font-size:13px;color:var(--text-muted);overflow:hidden}
.article-crumb-inner a{display:inline-flex;align-items:center;color:var(--text-muted);white-space:nowrap}
.article-crumb-inner a:hover{color:var(--base)}
.crumb-arrow{margin:0 6px;color:#b7c8d3;font-size:12px}
.crumb-current{font-weight:500;color:var(--text-body);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:320px}

/* ================= Article Mast ================= */
.article-mast{padding:44px 0 28px;background:var(--bg-soft);position:relative}
.article-mast::before{content:'';position:absolute;inset:0;background-image:radial-gradient(circle at 88% 0,rgba(46,107,146,.06),transparent 38%),radial-gradient(circle at 8% 100%,rgba(30,158,135,.045),transparent 34%)}
.article-mast-inner{max-width:var(--read-w);margin:0 auto;position:relative;z-index:1;padding:0 24px}
.cat-badge-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.cat-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(46,107,146,.1);color:var(--base);font-size:13px;font-weight:600;padding:5px 13px;border-radius:var(--radius-tag)}
.cat-badge-dot{width:5px;height:5px;border-radius:50%;background:var(--accent)}
.article-title{font-size:32px;line-height:1.35;font-weight:800;color:var(--text-main);letter-spacing:-.3px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:22px;padding-top:18px;border-top:1px solid rgba(228,237,243,.8);font-size:13.5px;color:var(--text-muted)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta svg{width:15px;height:15px;opacity:.6}
.article-meta .source{margin-left:auto}

/* ================= article main ================= */
.article-section{padding:52px 0 10px}
.article-container{max-width:var(--read-w);margin:0 auto;padding:0 24px}
.article-body{font-size:16.5px;color:var(--text-body);line-height:1.88;word-wrap:break-word}
.article-body > p{margin:0 0 26px}
.article-body p{line-height:1.88}
.article-body h2,.article-body h3,.article-body h4{color:var(--text-main);font-weight:700;line-height:1.45;margin:0 0 14px}
.article-body h2{font-size:26px;margin-top:52px;padding-top:8px}
.article-body h3{font-size:20px;margin-top:38px}
.article-body h4{font-size:17px;margin-top:28px}
.article-body a{color:var(--base);text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(46,107,146,.3)}
.article-body a:hover{color:var(--base-deep);text-decoration-color:currentColor}
.article-body blockquote{margin:28px 0 32px;padding:20px 24px;background:var(--bg-soft);border-left:4px solid var(--accent);border-radius:0 14px 14px 0;color:var(--text-main);font-size:16px}
.article-body ul,.article-body ol{margin:0 0 28px 4px;padding-left:22px}
.article-body ul li,.article-body ol li{margin-bottom:10px;line-height:1.85;padding-left:6px}
.article-body ul li::marker{color:var(--base)}
.article-body ol li::marker{color:var(--base);font-weight:600;font-family:var(--font-mono)}
.article-body img{margin:34px auto;border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:var(--shadow-card)}
.article-body strong{color:var(--text-main);font-weight:600}
.article-body table{width:100%;margin:28px 0 34px;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:14.5px}
.article-body table th{background:var(--bg-soft);color:var(--text-main);text-align:left;padding:13px 16px;font-weight:600;border-bottom:1px solid var(--line)}
.article-body table td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.article-body table tr:last-child td{border-bottom:none}
.article-body table tr:hover td{background:rgba(240,246,250,.4)}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0}
.not-found{background:#fff;border:1px dashed #c5d5df;border-radius:var(--radius-lg);padding:72px 32px;text-align:center;box-shadow:var(--shadow-card)}
.not-found-icon{width:60px;height:60px;border-radius:50%;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:24px}
.not-found h2{font-size:22px;color:var(--text-main);margin-bottom:8px}
.not-found p{color:var(--text-muted);margin-bottom:24px}
.not-found .btn-primary{display:inline-flex}

/* article footer */
.article-foot{margin:44px 0 20px;padding-top:24px;border-top:1px solid var(--line)}
.article-tag-row{display:flex;align-items:flex-start;gap:10px;flex-wrap:wrap}
.article-tag-row .tag-label{font-size:13px;color:var(--text-muted);padding:7px 0}
.article-tag{display:inline-flex;align-items:center;background:var(--bg-soft);color:var(--text-body);font-size:13px;border-radius:var(--radius-tag);padding:5px 14px;margin:4px 6px 4px 0;border:1px solid transparent;transition:background .2s,border-color .2s}
.article-tag:hover{background:#fff;border-color:var(--line);color:var(--base)}
.article-shares{display:flex;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:var(--text-muted)}
.like-line{display:inline-flex;align-items:center;gap:6px;margin-left:auto;color:var(--accent)}
.article-back{background:var(--bg-soft);border-radius:var(--radius-lg);padding:18px 20px 22px;margin-top:36px;display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.article-back-left{flex:1;min-width:220px}
.article-back-left strong{color:var(--text-main);font-size:15.5px;display:block;margin-bottom:2px}
.article-back-left span{color:var(--text-muted);font-size:13.5px}
.article-back-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--base)}
.article-back-link svg{width:15px;height:15px;transition:transform .2s ease}
.article-back-link:hover{color:var(--base-deep)}
.article-back-link:hover svg{transform:translateX(4px)}

/* ================= Related ================= */
.related-section{padding:84px 0 60px;background:var(--bg-soft)}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px}
.related-title{font-size:26px;font-weight:800;color:var(--text-main);line-height:1.4}
.related-title span{color:var(--accent)}
.related-desc{color:var(--text-muted);font-size:15px;max-width:380px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{position:relative;background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);border:1px solid rgba(228,237,243,.8);transition:transform .3s ease,box-shadow .3s ease;display:flex;flex-direction:column}
.related-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.related-cover{aspect-ratio:16/9;overflow:hidden;position:relative;background:var(--accent)}
.related-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.related-card:hover .related-cover img{transform:scale(1.03)}
.related-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.related-label{display:inline-flex;width:fit-content;background:rgba(46,107,146,.08);color:var(--base);font-size:12px;font-weight:600;padding:3px 10px;border-radius:var(--radius-tag);margin-bottom:10px}
.related-body h3{font-size:16.5px;color:var(--text-main);line-height:1.5;margin-bottom:10px;font-weight:700}
.related-body p{font-size:13.5px;color:var(--text-muted);line-height:1.75;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-bottom{margin-top:auto;display:flex;align-items:center;color:var(--base);font-size:13.5px;font-weight:600}
.related-bottom svg{margin-left:6px;width:14px;height:14px;transition:transform .2s ease}
.related-card:hover .related-bottom svg{transform:translateX(5px)}

/* ================= CTA ================= */
.cta-section{padding:84px 0}
.cta-panel{border-radius:26px;background:var(--base-deep);position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:40px;padding:62px 60px;color:#fff}
.cta-panel::before{content:'';position:absolute;right:-40px;top:-50px;width:300px;height:300px;border-radius:50%;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;opacity:.13;border:1px solid rgba(255,255,255,.15)}
.cta-panel::after{content:'';position:absolute;right:140px;bottom:-240px;width:540px;height:540px;border-radius:50%;border:70px solid rgba(255,255,255,.045)}
.cta-content{position:relative;z-index:2;max-width:640px}
.cta-title{font-size:32px;font-weight:800;line-height:1.4;margin-bottom:16px}
.cta-desc{font-size:16px;line-height:1.9;color:#cde0e9;margin-bottom:26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-note{display:flex;gap:22px;flex-wrap:wrap;font-size:13px;color:#a7c2cd;margin-top:22px}
.cta-note span{display:inline-flex;align-items:center;gap:7px}
.cta-note span::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--accent)}

/* ================= Footer ================= */
.site-footer{background:#162b38;color:#9fb6c0;font-size:14px}
.site-footer a{color:#bdd2da;transition:color .2s}
.site-footer a:hover{color:#fff}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;padding:58px 0 48px}
.footer-brand .footer-logo{display:flex;align-items:baseline;margin-bottom:16px}
.footer-brand .footer-logo .brand-mark{color:#fff}
.footer-logo .brand-mark::after{background:var(--accent)}
.footer-logo span:last-child{color:#a9c0cb;font-size:13px}
.footer-brand p{font-size:14px;line-height:1.9;color:#8fa9b5}
.footer-col h4{color:var(--base);font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.3px;color:#5d8ca1}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:13.5px;color:#b8ccd4}
.footer-col ul li a:hover{color:#fff}
.footer-col ul li{font-size:13px;color:#9fb6c0;line-height:1.6}
.footer-note{margin-bottom:32px;background:rgba(255,255,255,.04);border-left:3px solid rgba(240,165,74,.7);padding:16px 20px;border-radius:0 10px 10px 0;font-size:13px;line-height:1.8;color:#bfd2d8}
.footer-note strong{color:var(--warn)}
.footer-bottom{background:#0f202a;padding:16px 0;font-size:12px;color:#718e9b}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.footer-link{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.footer-domain{color:#5e7e8e}
.icp-slot{color:#5e7e8e}

/* ================= responsive ================= */
@media (max-width:1023px){
  .mainbar-row{height:auto;min-height:64px;flex-wrap:wrap}
  .main-nav{position:fixed;top:100px;left:0;right:0;background:#fff;padding:8px 20px 16px;box-shadow:0 18px 30px rgba(45,80,102,.08);border-bottom:1px solid var(--line);transform:translateY(0);max-height:0;overflow:hidden;opacity:0;transition:opacity .2s ease,max-height .3s ease}
  .main-nav.open{max-height:400px;opacity:1}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{padding:12px 12px;border-radius:8px;border-bottom:1px solid rgba(228,237,243,.7)}
  .nav-link::after{display:none}
  .nav-tools{ margin-left:auto}
  .nav-toggle{display:flex}
  .channel-bar{display:none}
  .search-form input{width:150px}
  .search-form{display:none}
  .topbar-links{display:none}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .cta-panel{padding:46px 32px}
}

@media(max-width:767px){
  .container{padding:0 18px}
  .topbar-row{height:auto;padding:7px 0}
  .topbar-tip{font-size:12px}
  .mainbar-row{position:relative;gap:10px}
  .brand-mark{font-size:22px}
  .brand-sub{font-size:13px}
  .btn-header{display:none}
  .search-form{display:none}
  .article-crumb-inner,.article-crumb-section{height:auto;min-height:40px;padding:7px 0}
  .crumb-current{max-width:170px}
  .article-mast{padding:30px 0 20px}
  .article-title{font-size:25px}
  .article-meta{gap:12px 16px}
  .article-meta .source{width:100%;margin-left:0}
  .article-body{font-size:17px;line-height:1.9}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .article-body table{display:block;overflow-x:auto}
  .related-grid{grid-template-columns:1fr}
  .related-section{padding:56px 0 20px}
  .related-title{font-size:22px}
  .related-desc{margin-top:6px}
  .cta-section{padding:60px 0;background:#fff}
  .cta-panel{padding:34px 24px;flex-direction:column;gap:18px;align-items:flex-start}
  .cta-title{font-size:24px}
  .cta-desc{font-size:15px}
  .cta-panel::before{opacity:.08}
  .cta-actions .btn{width:100%}
  .cta-note{flex-direction:column;gap:8px}
  .footer-top{grid-template-columns:1fr;gap:30px;padding:38px 0}
  .footer-bottom-inner{justify-content:center;text-align:center}
  .footer-brand-brand{margin-bottom:20px}
  .article-back{padding:20px 18px}
  .article-container{padding:0 18px}
}

/* roulang page: category1 */
:root {
  --base: #2E6B92;
  --deep: #1E4F73;
  --base-light: #3A7DA8;
  --sky: #F0F6FA;
  --green: #1E9E87;
  --orange: #F0A54A;
  --title: #1B2C38;
  --text: #53656F;
  --muted: #84979F;
  --line: #E4EDF3;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 6px 20px rgba(45, 80, 102, 0.06);
  --shadow-hover: 0 14px 32px rgba(45, 80, 102, 0.12);
  --shadow-header: 0 4px 20px rgba(45, 80, 102, 0.08);
  --font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Consolas, "Roboto Mono", monospace;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 128px;
}
body {
  margin: 0;
  font-family: var(--font-family);
  background: #ffffff;
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
body.nav-open {
  overflow: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
input,
button {
  font-family: inherit;
  font-size: inherit;
  border: none;
}
p {
  margin: 0 0 16px;
}
ul {
  margin: 0;
  padding: 0;
}
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(46, 107, 146, 0.32);
  outline-offset: 2px;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: #fff;
  transition: top 0.28s ease, box-shadow 0.2s ease;
}
.site-header.is-scrolled {
  top: -36px;
  box-shadow: var(--shadow-header);
}
.topbar {
  height: 36px;
  background: var(--sky);
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.topbar-row {
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.topbar-tip {
  margin: 0;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 7px;
}
.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  display: inline-block;
  box-shadow: 0 0 0 4px rgba(30, 158, 135, 0.12);
}
.topbar-links {
  display: flex;
  gap: 18px;
}
.topbar-links a {
  color: var(--muted);
  transition: color 0.18s;
}
.topbar-links a:hover {
  color: var(--base);
}
.mainbar {
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.mainbar-row {
  height: 68px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  min-width: 42px;
  height: 42px;
  padding: 0 10px;
  border-radius: 14px;
  background: var(--deep);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.04em;
  box-shadow: 0 6px 14px rgba(30, 79, 115, 0.18);
}
.brand-sub {
  font-size: 19px;
  font-weight: 700;
  color: var(--title);
  letter-spacing: 0.02em;
}
.main-nav {
  margin-left: 8px;
}
.nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 68px;
  color: var(--text);
  font-weight: 500;
  font-size: 15px;
  padding: 0 2px;
  transition: color 0.18s;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: var(--base);
  transition: width 0.22s ease;
}
.nav-link:hover {
  color: var(--deep);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}
.nav-link.active {
  color: var(--deep);
  font-weight: 600;
}
.nav-tools {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 14px;
}
.search-form {
  position: relative;
  display: flex;
  align-items: center;
  width: 210px;
}
.search-icon {
  width: 16px;
  height: 16px;
  color: var(--muted);
  position: absolute;
  left: 13px;
  pointer-events: none;
}
.search-form input {
  width: 100%;
  height: 38px;
  background: var(--sky);
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 14px 0 38px;
  font-size: 14px;
  color: var(--title);
  transition: border 0.2s, box-shadow 0.2s, background 0.2s;
}
.search-form input::placeholder {
  color: var(--muted);
}
.search-form input:focus {
  background: #fff;
  border-color: var(--base);
  box-shadow: 0 0 0 4px rgba(46, 107, 146, 0.12);
  outline: none;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 42px;
  padding: 0 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, color 0.2s;
}
.btn-primary {
  background: var(--deep);
  color: #fff;
  box-shadow: 0 8px 18px rgba(30, 79, 115, 0.18);
}
.btn-primary:hover {
  background: var(--base);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(46, 107, 146, 0.22);
}
.btn-outline {
  background: #fff;
  border: 1px solid var(--base);
  color: var(--base);
}
.btn-outline:hover {
  background: var(--sky);
  transform: translateY(-2px);
}
.btn-header {
  height: 40px;
  padding: 0 18px;
  font-size: 14px;
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  background: var(--sky);
  border-radius: 12px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}
.nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--deep);
  border-radius: 2px;
  transition: transform 0.22s, opacity 0.22s;
}
.channel-bar {
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.channel-row {
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.channel-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}
.channel-group::-webkit-scrollbar {
  display: none;
}
.channel-label {
  color: var(--muted);
  font-size: 13px;
  margin-right: 8px;
  white-space: nowrap;
}
.channel-group a {
  height: 30px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-size: 13px;
  color: var(--text);
  transition: background 0.18s, color 0.18s;
  white-space: nowrap;
}
.channel-group a:hover {
  color: var(--deep);
  background: var(--sky);
}
.channel-group a.active {
  background: rgba(46, 107, 146, 0.1);
  color: var(--base);
  font-weight: 600;
}
.hot-keywords {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}
.hot-keywords a {
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  transition: border 0.18s, color 0.18s;
}
.hot-keywords a:hover {
  color: var(--base);
  border-color: var(--base);
}
.hot-keywords span {
  color: var(--muted);
}

/* ===== 分类页 Hero ===== */
.cat-hero {
  position: relative;
  background: var(--sky);
  background-image: url("/assets/images/backpic/back-1.png");
  background-position: center;
  background-size: cover;
  overflow: hidden;
}
.cat-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(240, 246, 250, 0.93);
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: 76px 20px 80px;
  text-align: center;
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 30px;
  padding: 0 13px;
  border-radius: 999px;
  background: rgba(30, 79, 115, 0.08);
  color: var(--deep);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 22px;
}
.hero-kicker i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  display: inline-block;
}
.cat-hero h1 {
  margin: 0 0 18px;
  color: var(--title);
  font-size: 40px;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.cat-hero h1 strong {
  color: var(--base);
  font-weight: 700;
}
.cat-hero .hero-desc {
  max-width: 700px;
  margin: 0 auto 30px;
  font-size: 16px;
  line-height: 1.95;
  color: var(--text);
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-actions .btn {
  min-height: 46px;
  padding: 0 24px;
}
.hero-mini-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 32px;
  color: var(--muted);
  font-size: 13px;
}
.hero-mini-trust span {
  display: flex;
  align-items: center;
  gap: 6px;
}
.hero-mini-trust span::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--green);
  border-radius: 50%;
}

/* ===== section 通用 ===== */
.section {
  padding: 96px 0;
}
.section-light {
  background: var(--sky);
}
.section-head {
  max-width: 760px;
  margin-bottom: 44px;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-head h2 {
  margin: 0 0 14px;
  color: var(--title);
  font-size: 28px;
  line-height: 1.35;
  font-weight: 700;
}
.section-head p {
  margin: 0;
  color: var(--text);
  font-size: 16px;
  line-height: 1.85;
}
.sec-tag {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 12px;
  background: rgba(30, 158, 135, 0.1);
  border-radius: 999px;
  color: var(--green);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: 0.04em;
}

/* ===== 入口大图卡 ===== */
.entry-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}
.entry-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.24s, box-shadow 0.24s;
}
.entry-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.entry-card__media {
  overflow: hidden;
  position: relative;
  background: var(--sky);
}
.entry-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.entry-card:hover .entry-card__media img {
  transform: scale(1.025);
}
.entry-card--half .entry-card__media {
  aspect-ratio: 16 / 9;
  min-height: 210px;
}
.entry-card--wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
}
.entry-card--wide .entry-card__media {
  min-height: 280px;
}
.entry-card--wide .entry-card__media img {
  position: absolute;
  inset: 0;
}
.entry-card--wide .entry-card__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.entry-card--wide + .entry-card--wide {
  margin: 0;
}
.entry-card--half .entry-card__body {
  padding: 24px 24px 26px;
}
.entry-card--wide .entry-card__body {
  padding: 34px 40px;
}
.card-badge {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  background: rgba(46, 107, 146, 0.1);
  color: var(--base);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
}
.card-badge--green {
  background: rgba(30, 158, 135, 0.1);
  color: var(--green);
}
.entry-card h3 {
  margin: 0 0 8px;
  color: var(--title);
  font-size: 20px;
  line-height: 1.4;
  font-weight: 700;
}
.entry-card p {
  color: var(--text);
  font-size: 15px;
  line-height: 1.85;
  margin: 0 0 16px;
}
.entry-card__plain-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 18px;
  margin: 0 0 18px;
}
.entry-card__plain-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  color: var(--text);
}
.entry-card__plain-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--green);
  font-weight: 700;
}
.entry-card__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--base);
  font-weight: 600;
  font-size: 14px;
  transition: color 0.18s, gap 0.18s;
}
.entry-card__link:hover {
  color: var(--deep);
  gap: 11px;
}
.entry-card__link svg {
  width: 16px;
  height: 16px;
}
.entry-card__foot-note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px dashed var(--line);
  padding-top: 12px;
}

/* ===== 核对清单 ===== */
.check-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.check-list {
  display: grid;
  gap: 14px;
}
.check-list--with-delim {
  list-style: none;
  counter-reset: check-item;
}
.check-item {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 20px 18px 58px;
  box-shadow: var(--shadow-card);
  counter-increment: check-item;
}
.check-item strong {
  display: block;
  color: var(--title);
  font-size: 16px;
  margin-bottom: 4px;
}
.check-item span {
  color: var(--text);
  font-size: 14px;
  line-height: 1.7;
}
.check-item::before {
  content: counter(check-item, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 18px;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: rgba(46, 107, 146, 0.1);
  color: var(--base);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.check-aside {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: var(--deep);
  color: #fff;
  padding: 32px;
  background-image: url("/assets/images/backpic/back-2.webp");
  background-position: center;
  background-size: cover;
}
.check-aside::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(30, 79, 115, 0.92);
}
.check-aside > * {
  position: relative;
  z-index: 1;
}
.check-aside h3 {
  margin: 0 0 10px;
  font-size: 21px;
  color: #fff;
}
.check-aside > p {
  color: #DFEAF0;
  font-size: 14px;
  line-height: 1.85;
  margin-bottom: 20px;
}
.aside-tip {
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  padding: 16px 18px;
  font-size: 14px;
  color: #EAF2F5;
  line-height: 1.8;
  margin: 0;
}
.aside-tip strong {
  color: #fff;
}
.aside-tip span {
  color: #F8C78C;
}

/* ===== 设备访问路径 ===== */
.device-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 44px;
}
.device-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 30px;
  background: #fff;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s, transform 0.2s;
}
.device-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.device-card__top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.device-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: rgba(46, 107, 146, 0.1);
  color: var(--base);
  display: flex;
  align-items: center;
  justify-content: center;
}
.device-icon svg {
  width: 22px;
  height: 22px;
}
.device-card__top h3 {
  margin: 0;
  font-size: 18px;
  color: var(--title);
}
.device-card__top p {
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--muted);
}
.device-step-list {
  list-style: none;
  counter-reset: device-steps;
}
.device-step-list li {
  position: relative;
  counter-increment: device-steps;
  padding: 14px 18px 14px 62px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  color: var(--text);
  line-height: 1.75;
}
.device-step-list li::before {
  content: counter(device-steps, decimal-leading-zero);
  position: absolute;
  left: 4px;
  top: 11px;
  width: 36px;
  height: 26px;
  border-radius: 999px;
  background: var(--sky);
  color: var(--base);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.device-step-list li strong {
  color: var(--title);
}
.device-card__note {
  margin-top: 18px;
  background: rgba(240, 246, 250, 0.7);
  border-radius: 14px;
  padding: 13px 16px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}
.device-callout {
  grid-column: 1 / -1;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--text);
  font-size: 14px;
  line-height: 1.8;
}
.device-callout svg {
  width: 22px;
  height: 22px;
  color: var(--green);
  flex-shrink: 0;
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 840px;
  margin: 0 auto;
}
.faq-list {
  list-style: none;
  display: grid;
  gap: 0;
}
.faq-item {
  border-top: 1px solid var(--line);
  position: relative;
}
.faq-item:last-child {
  border-bottom: 1px solid var(--line);
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 4px;
  background: transparent;
  cursor: pointer;
  text-align: left;
  color: var(--title);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
}
.faq-q:hover {
  color: var(--deep);
}
.faq-q .q-mark {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(46, 107, 146, 0.1);
  color: var(--base);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s, color 0.2s;
}
.faq-item.active .q-mark {
  background: var(--base);
  color: #fff;
}
.faq-arrow {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--muted);
  transition: transform 0.24s;
}
.faq-item.active .faq-arrow {
  transform: rotate(180deg);
  color: var(--base);
}
.faq-q-text {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
}
.faq-a {
  display: none;
  padding: 0 4px 22px 46px;
}
.faq-item.active .faq-a {
  display: block;
  animation: faqFade 0.2s ease;
}
@keyframes faqFade {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}
.faq-a-inner {
  background: rgba(240, 246, 250, 0.7);
  border-radius: 16px;
  padding: 18px 20px;
  color: var(--text);
  font-size: 15px;
  line-height: 1.9;
}
.faq-a-inner p {
  margin: 0;
}
.faq-a-inner p + p {
  margin-top: 10px;
}

/* ===== 底部 CTA ===== */
.cta-panel {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  background: var(--deep);
  background-image: url("/assets/images/backpic/back-3.png");
  background-position: center right;
  background-size: cover;
  color: #fff;
  padding: 54px 52px;
}
.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(30, 79, 115, 0.92);
}
.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.cta-copy h2 {
  margin: 0 0 12px;
  color: #fff;
  font-size: 28px;
  line-height: 1.4;
}
.cta-copy p {
  margin: 0;
  color: #DFEAF0;
  font-size: 15px;
  line-height: 1.85;
}
.cta-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
  flex-wrap: wrap;
}
.cta-actions .btn-soft {
  background: #fff;
  color: var(--deep);
  min-height: 46px;
  padding: 0 24px;
}
.cta-actions .btn-soft:hover {
  background: #F2F7FA;
  transform: translateY(-2px);
}
.cta-actions .btn-warm {
  background: var(--orange);
  color: #fff;
  min-height: 46px;
  padding: 0 26px;
  box-shadow: 0 8px 18px rgba(240, 165, 74, 0.25);
}
.cta-actions .btn-warm:hover {
  background: #E8973A;
  transform: translateY(-2px);
}

/* ===== Footer ===== */
.site-footer {
  background: #102B3A;
  color: #A8BDC7;
  margin-top: 96px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr 0.8fr 0.9fr;
  gap: 40px;
  padding: 64px 0 46px;
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 21px;
  color: #fff;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-brand .brand-mark {
  background: var(--base);
}
.footer-brand p {
  color: #93ACB8;
  font-size: 14px;
  line-height: 1.9;
  margin: 0;
}
.footer-col h4 {
  color: #F0F6FA;
  font-size: 15px;
  margin: 0 0 18px;
  font-weight: 600;
}
.footer-col ul {
  list-style: none;
  display: grid;
  gap: 10px;
}
.footer-col a {
  color: #9BB2BC;
  font-size: 14px;
  transition: color 0.18s;
}
.footer-col a:hover {
  color: #fff;
}
.footer-col li {
  color: #9BB2BC;
  font-size: 14px;
  line-height: 1.6;
}
.footer-note {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: #88A2B0;
  font-size: 13px;
  line-height: 1.8;
  padding: 16px 0;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 18px 0;
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: #7B97A5;
  font-size: 12px;
  flex-wrap: wrap;
}
.footer-domain,
.icp-slot {
  display: inline-block;
  margin-left: 14px;
}
.footer-link {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

/* ===== 响应式 ===== */
@media (max-width: 1080px) {
  .search-form {
    width: 160px;
  }
  .main-nav {
    margin-left: 0;
  }
  .nav-list {
    gap: 16px;
  }
}
@media (max-width: 960px) {
  .search-form {
    display: none;
  }
  .nav-list {
    gap: 12px;
  }
  .nav-link {
    font-size: 14px;
  }
  .mainbar-row {
    gap: 12px;
  }
}
@media (max-width: 767px) {
  html {
    scroll-padding-top: 74px;
  }
  .section {
    padding: 58px 0;
  }
  .topbar-links {
    display: none;
  }
  .topbar {
    height: 40px;
  }
  .topbar-row {
    height: 40px;
    justify-content: center;
  }
  .mainbar-row {
    height: 60px;
    gap: 10px;
  }
  .brand-mark {
    min-width: 38px;
    height: 38px;
    border-radius: 12px;
    font-size: 14px;
  }
  .brand-sub {
    font-size: 17px;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .main-nav {
    position: fixed;
    inset: 0;
    top: 60px;
    background: #fff;
    padding: 24px 28px 40px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.22s ease, transform 0.22s ease;
    overflow-y: auto;
    z-index: 70;
    box-shadow: none;
  }
  body.nav-open .main-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    box-shadow: 0 20px 40px rgba(27, 44, 56, 0.14);
  }
  .nav-list {
    display: grid;
    gap: 2px;
  }
  .nav-link {
    display: flex;
    align-items: center;
    height: auto;
    padding: 14px 8px;
    border-radius: 12px;
    font-size: 16px;
    border-bottom: 1px solid var(--line);
  }
  .nav-link.active {
    background: rgba(46, 107, 146, 0.08);
    color: var(--base);
  }
  .nav-link::after {
    display: none;
  }
  .channel-bar {
    display: none;
  }
  .btn-header {
    height: 38px;
    padding: 0 14px;
    font-size: 14px;
  }
  .cat-hero h1 {
    font-size: 29px;
    line-height: 1.35;
  }
  .hero-inner {
    padding: 52px 12px 56px;
  }
  .hero-desc {
    font-size: 15px;
  }
  .hero-actions .btn {
    min-height: 44px;
    padding: 0 18px;
  }
  .section-head h2 {
    font-size: 23px;
  }
  .entry-card-grid {
    grid-template-columns: 1fr;
  }
  .entry-card--wide {
    grid-column: auto;
    grid-template-columns: 1fr;
  }
  .entry-card--wide .entry-card__media {
    min-height: 0;
    aspect-ratio: 16 / 9;
    position: relative;
  }
  .entry-card--wide .entry-card__media img {
    position: absolute;
    width: 100%;
    height: 100%;
  }
  .entry-card--wide .entry-card__body {
    padding: 24px 20px;
  }
  .entry-card--half .entry-card__body {
    padding: 22px 20px;
  }
  .entry-card__plain-list {
    grid-template-columns: 1fr;
  }
  .check-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .check-item {
    padding: 16px 16px 16px 52px;
  }
  .check-item::before {
    left: 14px;
  }
  .check-aside {
    padding: 22px;
  }
  .device-row {
    grid-template-columns: 1fr;
    margin-top: 20px;
  }
  .device-card {
    padding: 22px 20px;
  }
  .device-callout {
    padding: 16px;
    align-items: flex-start;
  }
  .faq-q {
    padding: 18px 2px;
    font-size: 15px;
  }
  .faq-q-text {
    gap: 8px;
  }
  .faq-a {
    padding: 0 2px 18px 10px;
  }
  .cta-panel {
    padding: 34px 22px;
  }
  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    padding: 48px 0 34px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .footer-bottom-inner {
    flex-direction: column;
    gap: 6px;
  }
  .site-header.is-scrolled {
    top: -40px;
  }
}
@media (max-width: 520px) {
  .brand-sub {
    font-size: 15px;
  }
  .btn-header {
    padding: 0 10px;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-brand {
    grid-column: auto;
  }
  .cat-hero h1 {
    font-size: 25px;
  }
  .hero-mini-trust {
    gap: 10px 18px;
    text-align: center;
  }
  .section-head h2 {
    font-size: 21px;
  }
  .device-icon {
    width: 40px;
    height: 40px;
  }
  .cta-copy h2 {
    font-size: 22px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category2 */
:root{
  --primary:#2E6B92;
  --primary-deep:#1E4F73;
  --primary-soft:#F0F6FA;
  --accent:#1E9E87;
  --accent-soft:rgba(30,158,135,.08);
  --warm:#F0A54A;
  --warm-soft:rgba(240,165,74,.14);
  --text:#1B2C38;
  --text-body:#53656F;
  --text-muted:#84979F;
  --line:#E4EDF3;
  --white:#fff;
  --max-width:1200px;
  --read-width:860px;
  --radius-xl:24px;
  --radius-lg:16px;
  --radius-md:10px;
  --shadow-sm:0 6px 20px rgba(45,80,102,.06);
  --shadow-hover:0 14px 32px rgba(45,80,102,.12);
  --shadow-nav:0 4px 20px rgba(45,80,102,.08);
  --font-main:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);font-size:16px;line-height:1.7;color:var(--text-body);background:var(--white);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease}
a:hover{color:var(--primary-deep)}
button{font-family:inherit;cursor:pointer}
ul,ol{list-style:none}
input{font-family:inherit}
.container{max-width:var(--max-width);margin:0 auto;padding:0 32px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:500;font-size:15px;line-height:1;padding:0 20px;height:44px;border-radius:var(--radius-md);transition:all .25s ease;border:1px solid transparent;letter-spacing:.01em}
.btn:focus-visible{outline:3px solid rgba(46,107,146,.28);outline-offset:2px}
.btn-primary{background:var(--primary-deep);color:#fff}
.btn-primary:hover{background:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-warm{background:var(--warm);color:#fff}
.btn-warm:hover{background:#d98e33;color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(240,165,74,.28)}
.btn-outline{background:#fff;border-color:#c7d8e4;color:var(--primary-deep)}
.btn-outline:hover{border-color:var(--primary);background:var(--primary-soft);color:var(--primary-deep)}
/* header */
.site-header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:var(--shadow-nav)}
.topbar{background:var(--primary-soft);border-bottom:1px solid var(--line);font-size:13px;padding:7px 0 6px;height:32px;overflow:hidden}
.topbar-row{display:flex;justify-content:space-between;align-items:center;gap:12px}
.topbar-tip{color:var(--text-body);display:flex;align-items:center;gap:7px}
.pulse-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(30,158,135,.35)}50%{box-shadow:0 0 0 5px transparent}}
.topbar-links{display:flex;gap:20px}
.topbar-links a{color:var(--text-muted);font-size:12px}
.topbar-links a:hover{color:var(--primary-deep)}
.mainbar{background:#fff}
.mainbar-row{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px}
.brand{display:flex;align-items:center;gap:8px;flex-shrink:0}
.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--primary-deep);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;letter-spacing:-.5px}
.brand-sub{font-size:19px;font-weight:700;color:var(--text);letter-spacing:.01em;white-space:nowrap}
.main-nav{flex:1;display:flex;justify-content:center}
.nav-list{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:15px;color:var(--text);font-weight:500;padding:10px 2px;white-space:nowrap}
.nav-link:hover{color:var(--primary-deep)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{content:'';position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--primary);border-radius:2px}
.nav-tools{display:flex;align-items:center;gap:12px}
.search-form{position:relative;display:flex;align-items:center}
.search-icon{width:18px;height:18px;color:var(--text-muted);position:absolute;left:13px;pointer-events:none}
.search-form input{width:180px;height:38px;border:1px solid var(--line);border-radius:999px;background:var(--primary-soft);padding:0 16px 0 38px;font-size:13px;color:var(--text);transition:all .25s;outline:none}
.search-form input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(46,107,146,.09)}
.btn-header{height:40px;padding:0 18px;font-size:14px}
.nav-toggle{display:none;background:none;border:0;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.nav-toggle span{width:21px;height:2px;background:var(--text);border-radius:2px;transition:.3s}
.channel-bar{background:#fff;border-top:1px solid var(--line)}
.channel-row{min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:13px}
.channel-group{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.channel-label{font-size:13px;color:var(--text-muted);padding:7px 10px;background:var(--primary-soft);border-radius:999px;display:inline-flex;align-items:center;gap:5px;white-space:nowrap}
.channel-label::before{content:'';width:6px;height:6px;background:var(--accent);border-radius:50%}
.channel-group a{font-size:14px;color:var(--text-body);padding:10px 10px;white-space:nowrap;border-radius:6px;font-weight:400}
.channel-group a:hover{color:var(--primary-deep);background:var(--primary-soft)}
.channel-group a.active{color:var(--primary);font-weight:500}
.hot-keywords{font-size:13px;color:var(--text-muted);display:flex;gap:10px;align-items:center;white-space:nowrap}
.hot-keywords a{font-size:13px;color:var(--text-muted);border:1px solid var(--line);padding:2px 9px;border-radius:999px;background:#fff;transition:.2s}
.hot-keywords a:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-soft)}
/* hero 使用操作指南分类2 */
.page-hero{background-color:var(--primary-soft);border-bottom:1px solid var(--line);padding:42px 0 34px;position:relative;overflow:hidden}
.page-hero::after{content:'';position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;opacity:.06;pointer-events:none}
.breadcrumb{margin-bottom:16px;display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-muted);position:relative;z-index:1}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--primary-deep)}
.page-hero-inner{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;position:relative;z-index:1}
.page-hero-left{max-width:760px}
.category-badge{display:inline-flex;align-items:center;gap:6px;background:var(--accent-soft);color:var(--accent);font-size:13px;padding:6px 14px;border-radius:999px;font-weight:500;margin-bottom:16px}
.category-badge i{display:block;width:6px;height:6px;background:var(--accent);border-radius:50%}
.page-hero h1{font-size:40px;line-height:1.25;font-weight:700;color:var(--text);margin-bottom:14px}
.page-hero h1 em{font-style:normal;color:var(--primary)}
.page-hero p.hero-desc{font-size:16px;color:var(--text-body);line-height:1.9;max-width:720px;margin-bottom:20px}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.hero-guide-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.hero-guide-tags span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 13px;font-size:13px;color:var(--text-muted);display:inline-flex;align-items:center;gap:6px}
.hero-guide-tags span::before{content:'✓';color:var(--accent);font-weight:700}
.hero-panel{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-hover);padding:28px 26px;min-width:300px;max-width:340px;border:1px solid var(--line);position:relative;margin-bottom:6px}
.hero-panel::after{content:'';position:absolute;z-index:-1;background:var(--primary);right:26px;left:26px;bottom:-8px;height:22px;border-radius:0 0 50% 50%;opacity:.08}
.panel-title{font-size:15px;font-weight:600;color:var(--text);display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--line);padding-bottom:13px;margin-bottom:15px}
.panel-title .dot{width:8px;height:8px;border-radius:3px;background:var(--warm)}
.panel-row{display:flex;justify-content:space-between;gap:8px;margin-bottom:11px;font-size:13px}
.panel-row dt{color:var(--text-muted)}
.panel-row dd{color:var(--text);font-weight:500;font-family:var(--font-mono)}
.panel-tag{margin:12px 0 6px;font-size:13px;color:var(--text-muted)}
.panel-note{background:var(--primary-soft);padding:10px 12px;border-radius:10px;font-size:13px;color:var(--text-body);margin-top:12px}
.panel-note b{color:var(--accent);font-weight:500}
/* offset visual */
.hero-offset{padding-bottom:14px}
/* guide layout */
.guide-wrap{padding:72px 0 92px;background:#fff}
.guide-layout{display:flex;gap:46px}
.section-nav{width:220px;flex-shrink:0;border-top:1px solid transparent}
.section-nav-inner{position:sticky;top:155px;background:var(--primary-soft);border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px 18px}
.section-nav-title{font-size:14px;font-weight:700;color:var(--text);padding-bottom:12px;margin-bottom:12px;border-bottom:1px solid var(--line);letter-spacing:.03em}
.section-nav-inner ul li a{display:flex;align-items:center;gap:8px;padding:6px 8px;font-size:13px;color:var(--text-body);border-radius:7px;transition:.2s;font-weight:400}
.section-nav-inner ul li a span.num{font-family:var(--font-mono);font-size:12px;color:var(--text-muted)}
.section-nav-inner ul li a:hover{background:var(--white);color:var(--primary-deep);box-shadow:var(--shadow-sm)}
.section-nav-inner ul li.nav-here a{color:var(--primary-deep);font-weight:600;background:rgba(46,107,146,.06)}
.section-nav-inner ul li.nav-here a span.num{color:var(--primary)}
.guide-content{flex:1;min-width:0;max-width:100%}
.guide-main{background:#fff;border-radius:var(--radius-xl);overflow:hidden}
.section-block{padding:40px 34px;border-bottom:1px solid var(--line)}
.section-block:last-child{border-bottom:0}
.section-head{display:flex;align-items:flex-start;gap:12px;margin-bottom:24px}
.section-num{font-family:var(--font-mono);font-size:22px;font-weight:600;color:var(--primary);min-width:40px;line-height:1.2;opacity:.3}
.section-head h2{font-size:25px;font-weight:700;color:var(--text);line-height:1.4;letter-spacing:.01em}
.section-head p{margin-top:7px;font-size:14px;color:var(--text-muted)}
.guide-content-area h3{font-size:18px;font-weight:600;color:var(--text);margin:24px 0 12px;display:flex;align-items:center;gap:8px}
.guide-content-area h3::before{content:'';width:4px;height:18px;border-radius:2px;background:var(--accent)}
.step-list{counter-reset:stepList;list-style:none}
.step-list>li{position:relative;padding:20px 26px 20px 84px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);margin-bottom:14px;transition:.25s}
.step-list>li:hover{box-shadow:var(--shadow-hover);border-color:#cbdae4}
.step-list>li::before{counter-increment:stepList;content:counter(stepList,decimal-leading-zero);position:absolute;left:26px;top:20px;font-family:var(--font-mono);font-size:22px;font-weight:700;color:#fff;background:var(--primary-deep);width:42px;height:42px;border-radius:11px;display:flex;align-items:center;justify-content:center;opacity:.9}
.step-list>li h4{font-size:16px;color:var(--text);font-weight:600;margin-bottom:6px}
.step-list>li p{color:var(--text-body);font-size:14px;line-height:1.8}
.step-list>li .step-tip{background:var(--primary-soft);display:inline-block;padding:5px 11px;border-radius:7px;font-size:13px;color:var(--primary-deep);margin-top:10px;line-height:1.5}
.attention-list li{display:flex;gap:10px;font-size:15px;line-height:1.85;color:var(--text-body);margin-bottom:14px}
.attention-list li::before{flex-shrink:0;width:20px;height:20px;background:var(--accent-soft);border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:var(--accent);margin-top:4px;content:'✓';font-weight:700;font-size:11px}
.tip-block{margin-top:30px;background:var(--primary-soft);border-radius:var(--radius-lg);border:1px solid var(--line);padding:22px 24px}
.tip-head{display:flex;align-items:center;gap:8px;color:var(--primary-deep);font-weight:600;font-size:15px;margin-bottom:8px}
.tip-head::before{content:'提示';background:var(--accent);color:#fff;border-radius:6px;padding:2px 8px;font-size:12px;display:inline-block}
.tip-block p{font-size:14px;line-height:1.85;color:var(--text-body)}
/* info grid */
.grid-2col{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.mini-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;transition:.25s}
.mini-card:hover{box-shadow:var(--shadow-hover);border-color:#c7d4de}
.mini-title{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:600;color:var(--text);margin-bottom:10px}
.mini-title i{width:8px;height:8px;border-radius:3px;background:var(--accent);display:inline-block}
.mini-card p{font-size:14px;color:var(--text-body);line-height:1.85}
/* compare table */
.flow-table{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;font-size:14px}
.flow-table table{width:100%;border-collapse:collapse}
.flow-table thead th{background:var(--primary-deep);color:#fff;font-weight:500;font-size:14px;text-align:left;padding:13px 18px}
.flow-table tbody td{border-top:1px solid var(--line);padding:14px 18px;color:var(--text-body);line-height:1.7}
.flow-table tbody tr:nth-child(2n){background:rgba(240,246,250,.5)}
.flow-table tbody td:first-child{font-weight:600;color:var(--text)}
/* quick card */
.quick-entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.quick-item{display:flex;align-items:center;justify-content:space-between;background:var(--primary-soft);border:1px solid var(--line);padding:14px 16px;border-radius:13px;font-size:14px;color:var(--text-body);transition:.2s}
.quick-item:hover{background:#fff;color:var(--primary-deep);box-shadow:var(--shadow-hover);border-color:#c1d1dc}
.quick-item b{color:var(--text)}
.quick-item span{color:var(--text-muted);flex-shrink:0;margin-left:8px;font-size:17px}
/* CTA section */
.mid-cta{background:var(--primary-soft);padding:50px 0;border-top:1px solid var(--line)}
.mid-cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px;background:var(--primary-deep);border-radius:var(--radius-xl);overflow:hidden;position:relative;padding:44px 46px;color:#fff}
.mid-cta-inner::after{content:'';position:absolute;right:0;top:0;bottom:0;width:46%;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.13}
.mid-cta-left{position:relative;z-index:2}
.mid-cta-left h2{font-size:27px;font-weight:700;margin-bottom:10px;line-height:1.4;color:#fff}
.mid-cta-left p{font-size:15px;line-height:1.8;opacity:.86;max-width:580px;margin-bottom:22px;color:rgba(255,255,255,.95)}
.mid-cta-btns{display:flex;align-items:center;gap:13px;flex-wrap:wrap}
.mid-cta-btns .btn-primary{background:var(--warm);color:#fff;border:0}
.mid-cta-btns .btn-primary:hover{background:#df9233}
.mid-cta-btns .btn-outline{border-color:rgba(255,255,255,.6);color:#fff}
.mid-cta-btns .btn-outline:hover{background:rgba(255,255,255,.15);border-color:#fff;color:#fff}
.mid-cta-btns span{font-size:14px;color:rgba(255,255,255,.75);margin-left:6px}
/* faq */
.faq-section{padding:76px 0 90px;background:var(--pull-bg,#fff)}
.faq-inner{max-width:840px;margin:0 auto}
.section-header{text-align:left;margin-bottom:40px}
.section-header .sec-mini{font-size:14px;color:var(--accent);display:flex;align-items:center;gap:7px;font-weight:500;margin-bottom:10px}
.section-header .sec-mini i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.section-header h2{font-size:29px;font-weight:700;color:var(--text);letter-spacing:.01em}
.section-header p{margin-top:10px;font-size:15px;color:var(--text-muted);line-height:1.8}
.faq-item{border-top:1px solid var(--line);padding:2px 2px 0}
.faq-item:last-of-type{border-bottom:1px solid var(--line)}
.faq-q{width:100%;background:transparent;border:0;display:flex;align-items:center;gap:13px;padding:19px 4px;text-align:left;font-size:16px;font-weight:500;color:var(--text);transition:.2s}
.faq-q:hover{color:var(--primary-deep)}
.faq-q .icon-q{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--primary-soft);display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:13px;font-weight:600;color:var(--primary)}
.faq-q .q-collapse{margin-left:auto;color:var(--text-muted);font-size:21px;flex-shrink:0;transition:.3s}
.faq-item.open .q-collapse{transform:rotate(45deg);color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease,padding .3s}
.faq-a-content{padding:4px 8px 22px 39px}
.faq-a-content p{font-size:15px;line-height:1.9;color:var(--text-body)}
.faq-a-content a{font-weight:500}
/* cta bottom */
.cta-section{background:var(--primary-deep);padding:70px 0;position:relative;overflow:hidden}
.cta-section::after{content:'';position:absolute;right:0;top:-20px;width:450px;bottom:-20px;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.1;transform:scaleX(-1)}
.cta-container{display:flex;justify-content:space-between;align-items:center;gap:40px;position:relative;z-index:2}
.cta-txt h2{color:#fff;font-size:31px;line-height:1.4;margin-bottom:12px}
.cta-txt p{color:rgba(255,255,255,.8);font-size:15px;line-height:1.8;max-width:560px}
.cta-tools{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.cta-tools .btn-warm{padding:0 30px;height:52px;font-size:17px}
.cta-foot{color:rgba(255,255,255,.5);font-size:13px;margin-top:9px;display:flex;gap:10px}
.cta-foot a{color:rgba(255,255,255,.6);font-size:13px}
.cta-foot a:hover{color:#fff}
.cta-chain{background:var(--primary);margin-top:2px;padding:12px 0}
.chain-line{display:flex;gap:29px;align-items:center;font-size:14px;color:var(--primary-soft)}
.chain-line a{color:rgba(255,255,255,.8)}
.chain-line a:hover{color:#fff}
.chain-sep{opacity:.3}
/* footer */
.site-footer{background:#172B36;color:#a3bac6;font-size:14px;line-height:1.8}
.site-footer .container{padding-top:52px}
.footer-top{display:grid;grid-template-columns:1.15fr .68fr .72fr .82fr;gap:40px;margin-bottom:40px}
.footer-logo{display:flex;align-items:center;gap:7px;margin-bottom:15px}
.footer-logo .brand-mark{background:rgba(255,255,255,.12);color:#fff}
.footer-logo span:last-child{color:#dfe8ec;font-size:18px;font-weight:700}
.footer-brand p{font-size:14px;color:#96AEBA;line-height:1.9;max-width:320px;text-align:left}
.footer-col h4{color:#e3edf2;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul li{margin-bottom:8px;line-height:1.6}
.footer-col ul li a{color:#8EA9B7;font-size:14px}
.footer-col ul li a:hover{color:#fff}
.footer-note{margin:23px 0 15px;background:rgba(255,255,255,.06);border-radius:12px;padding:17px 19px;font-size:14px;color:#A9BFA8;line-height:1.8}
.footer-bottom{background:rgba(0,0,0,.22);border-top:1px solid rgba(255,255,255,.05);padding:15px 0}
.footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;gap:15px;font-size:13px;color:#6A899C}
.footer-domain{font-family:var(--font-mono);font-size:13px}
.icp-slot{color:#6A899C}
/* responsive */
@media (max-width:1100px){
  .page-hero-inner{flex-direction:column}
  .hero-panel{max-width:none;width:100%}
  .quick-entry-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:899px){
  .guide-layout{flex-direction:column;gap:24px}
  .section-nav{width:100%}
  .section-nav-inner{position:static}
  .section-nav-inner ul{display:flex;flex-wrap:wrap;gap:6px}
  .section-nav-inner ul li a{font-size:13px}
  .cta-container{flex-direction:column;align-items:flex-start}
  .section-block{padding:32px 22px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .brand-mark{width:34px;height:34px;font-size:14px}
  .brand-sub{font-size:16px}
  .topbar{ display:none}
  .main-nav{display:none}
  .nav-tools .search-form{display:none}
  .nav-toggle{display:flex}
  .page-hero{padding:25px 0 26px}
  .page-hero h1{font-size:26px;line-height:1.4}
  .breadcrumb{overflow-x:auto;white-space:nowrap}
  .channel-bar{display:block;overflow:hidden}
  .channel-row{padding:5px 16px}
  .channel-group{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px}
  .channel-group a{flex-shrink:0;font-size:13px;padding:7px 9px}
  .channel-label{flex-shrink:0}
  .hot-keywords{display:none}
  .hero-actions .btn{width:100%}
  .hero-guide-tags span{font-size:12px}
  .grid-2col{grid-template-columns:1fr}
  .quick-entry-grid{grid-template-columns:1fr}
  .step-list>li{padding:18px 18px 18px 78px}
  .step-list>li::before{left:16px;width:38px;height:38px;font-size:18px}
  .section-head{flex-direction:column;gap:5px}
  .section-num{font-size:18px;opacity:.5}
  .section-head h2{font-size:22px}
  .mini-card{padding:18px}
  .mid-cta-inner{padding:25px 18px}
  .mid-cta-inner::after{width:100%;opacity:.06}
  .mid-cta-left h2{font-size:21px}
  .faq-a-content{padding-left:39px}
  .faq-a-content{font-size:14px}
  .footer-top{grid-template-columns:1fr;gap:28px;margin-bottom:20px}
  .footer-col h4{margin-bottom:10px}
  .footer-bottom-inner{flex-direction:column;gap:6px;text-align:center}
  .cta-tools .btn-warm{width:100%}
  .step-list>li p{font-size:14px}
}
@media (max-width:499px){
  .brand-sub{display:none}
  .brand-mark{width:35px;height:35px}
  .btn-header{padding:0 12px;font-size:13px}
.hero-guide-tags span::before{color:var(--accent)}
  .section-block{padding:27px 17px}
  .step-list>li p br{display:none}
  .container{padding:0 15px}
  .topbar{display:none}
  .page-hero .hero-guide-tags{display:none}
}