/* roulang page: index */
:root{
  --bg:#f3f7fb;
  --bg-alt:#e9f1f8;
  --ink:#0a1c2c;
  --ink-2:#112a41;
  --surface:#ffffff;
  --text:#152b40;
  --muted:#5d7488;
  --line:#dde8f2;
  --brand:#0f7ea8;
  --brand-2:#17a8c4;
  --brand-ink:#08344a;
  --accent:#ff9a3c;
  --ok:#2aa87a;
  --warn:#b4553f;
  --radius:16px;
  --radius-sm:12px;
  --radius-lg:22px;
  --shadow-1:0 2px 12px rgba(13,44,71,.06);
  --shadow-2:0 12px 32px rgba(13,44,71,.10);
  --shadow-3:0 22px 54px rgba(9,26,42,.18);
  --wrap:1180px;
  --sp:clamp(46px,6vw,86px);
  --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit}
table{border-collapse:separate;border-spacing:0;margin:0}
::selection{background:rgba(23,168,196,.24)}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 22px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 顶部浮动 Dock 导航 ---------- */
.site-header{position:sticky;top:0;z-index:120;padding:14px 0 12px;background:rgba(243,247,251,.88);backdrop-filter:blur(10px);transition:box-shadow var(--ease)}
.site-header.is-stuck{box-shadow:0 8px 26px rgba(13,44,71,.10)}
.dock{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.95);
  border:1px solid var(--line);
  border-radius:999px;
  padding:8px 10px 8px 16px;
  box-shadow:var(--shadow-2);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:#fff;box-shadow:0 6px 14px rgba(15,126,168,.35);flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.4px;color:var(--ink)}
.brand-text em{font-style:normal;font-size:10.5px;letter-spacing:3px;color:var(--muted)}
.nav-list{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-list a{display:block;padding:9px 14px;border-radius:999px;font-size:15px;color:#2b4356;transition:background var(--ease),color var(--ease)}
.nav-list a:hover{background:rgba(15,126,168,.09);color:var(--brand)}
.nav-list a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.nav-list a.is-active{background:var(--ink);color:#fff}
.dock-cta{margin-left:8px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;margin-left:auto;transition:var(--ease)}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.nav-toggle span{display:block;width:16px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;border-radius:2px}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* ---------- 按钮 / 标签 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border-radius:12px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;min-height:44px;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:linear-gradient(140deg,#1287b0,#17a8c4);color:#fff;box-shadow:0 10px 24px rgba(15,126,168,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(15,126,168,.34);background:linear-gradient(140deg,#0d769b,#139fbb)}
.btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink);box-shadow:var(--shadow-1)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:10px 16px;font-size:14px;min-height:40px;border-radius:10px}
.btn-block{width:100%}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;font-size:13px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);color:#e6f2fa}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;background:#eef5fb;color:#2c6b86;border:1px solid #d9e8f2}
.badge-accent{background:#fff3e6;color:#a45a12;border-color:#ffd9b3}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:clamp(54px,7vw,92px) 0 clamp(50px,6vw,80px);border-radius:0 0 34px 34px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.38;z-index:0;transform:scale(1.02)}
.hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(118deg,rgba(6,22,36,.96) 0%,rgba(9,36,56,.82) 52%,rgba(10,44,66,.58) 100%)}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(28px,4vw,52px);align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:1px;color:#8fe0f0;background:rgba(23,168,196,.16);border:1px solid rgba(23,168,196,.36);border-radius:999px;padding:5px 14px;margin-bottom:20px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero h1{font-size:clamp(27px,3.6vw,42px);line-height:1.28;font-weight:800;letter-spacing:.4px;color:#fff}
.hero-lead{margin-top:18px;font-size:clamp(14.5px,1.3vw,16px);line-height:1.85;color:rgba(233,244,251,.82);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-panel{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);border-radius:var(--radius-lg);padding:22px;backdrop-filter:blur(10px);box-shadow:0 18px 44px rgba(3,14,24,.32)}
.panel-title{font-size:17px;font-weight:700;color:#fff}
.panel-sub{font-size:13px;color:rgba(233,244,251,.66);margin-top:6px}
.scene-picker{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.scene-opt{position:relative;display:flex;align-items:flex-start;gap:12px;padding:12px 14px;border-radius:14px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);cursor:pointer;transition:var(--ease)}
.scene-opt:hover{background:rgba(255,255,255,.13)}
.scene-opt::before{content:"";width:14px;height:14px;border-radius:50%;border:2px solid rgba(255,255,255,.42);margin-top:5px;flex:0 0 auto;transition:var(--ease)}
.scene-opt.is-selected{border-color:rgba(255,154,60,.72);background:rgba(255,154,60,.16)}
.scene-opt.is-selected::before{border-color:var(--accent);background:radial-gradient(circle,var(--accent) 0 42%,transparent 46%)}
.scene-opt input{position:absolute;opacity:0;width:0;height:0}
.scene-body strong{display:block;font-size:15px;color:#fff;font-weight:700}
.scene-body em{font-style:normal;display:block;font-size:12.5px;line-height:1.6;color:rgba(233,244,251,.62);margin-top:3px}
.hero-panel .btn-block{margin-top:18px}
.panel-note{font-size:12px;color:rgba(233,244,251,.55);margin-top:10px;line-height:1.6}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp) 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:#fff}
.section-dark{background:linear-gradient(160deg,#0a1e30,#0f3049);color:#fff}
.sec-head{max-width:780px;margin-bottom:clamp(28px,4vw,44px);position:relative;padding-top:16px}
.sec-head::before{content:"";position:absolute;top:0;left:0;width:54px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--brand),var(--accent))}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.36;font-weight:800;color:var(--ink);letter-spacing:.3px}
.sec-head p{margin-top:12px;font-size:15px;color:var(--muted)}
.section-dark .sec-head h2{color:#fff}
.section-dark .sec-head p{color:rgba(233,244,251,.72)}
.sec-head-center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head-center::before{left:50%;transform:translateX(-50%)}

.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}

.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);padding:24px;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#c9dcec}

/* ---------- 卖点三连 ---------- */
.feature-grid{margin-left:-.9375rem;margin-right:-.9375rem}
.feature-grid > .cell{padding-left:.9375rem;padding-right:.9375rem;margin-bottom:1.5rem}
.feature-card{height:100%;display:flex;flex-direction:column;gap:12px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#c9dcec}
.icon-box{width:44px;height:44px;border-radius:13px;background:#e8f4f9;color:var(--brand);display:grid;place-items:center;flex:0 0 auto}
.feature-card h3{font-size:17.5px;font-weight:700;color:var(--ink)}
.feature-card p{font-size:14.2px;color:var(--muted)}

/* ---------- 内容日历 ---------- */
.calendar-scroll{display:flex;gap:16px;overflow-x:auto;padding:4px 4px 14px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.calendar-scroll::-webkit-scrollbar{height:6px}
.calendar-scroll::-webkit-scrollbar-thumb{background:#c8dceb;border-radius:6px}
.cal-item{flex:0 0 236px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease)}
.cal-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.cal-day{display:inline-block;font-size:12px;letter-spacing:1.5px;color:var(--brand);background:#e8f4f9;border-radius:999px;padding:3px 11px;margin-bottom:12px}
.cal-item h3{font-size:15.5px;line-height:1.55;color:var(--ink);font-weight:700}
.cal-item p{font-size:13px;color:var(--muted);margin-top:8px}
.cal-item .badge{margin-top:14px}

/* ---------- 专题卡 ---------- */
.topic-card{overflow:hidden;padding:0;display:flex;flex-direction:column;height:100%}
.topic-media{position:relative;overflow:hidden}
.topic-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s ease}
.topic-card:hover .topic-media img{transform:scale(1.06)}
.topic-media .badge{position:absolute;left:14px;top:14px;background:rgba(8,34,52,.78);border-color:rgba(255,255,255,.28);color:#e6f2fa}
.topic-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.topic-body h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.5}
.topic-body p{font-size:14px;color:var(--muted)}
.topic-meta{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:12.5px;color:#7f96a9}

/* ---------- 分类入口墙 ---------- */
.cat-card{position:relative;overflow:hidden;display:flex;flex-direction:column;gap:10px;padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.cat-card::after{content:"";position:absolute;right:-46px;top:-46px;width:130px;height:130px;border-radius:50%;background:radial-gradient(circle,rgba(23,168,196,.18),transparent 70%)}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2);border-color:#bcd9ea}
.cat-num{font-size:12px;letter-spacing:2.5px;font-weight:800;color:var(--brand)}
.cat-card h3{font-size:18px;font-weight:700;color:var(--ink);line-height:1.45}
.cat-card p{font-size:14px;color:var(--muted)}
.cat-link{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--brand);margin-top:auto;padding-top:6px}
.cat-card:hover .cat-link{color:var(--brand-2)}

/* ---------- 场景演示 ---------- */
.scene-split{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:clamp(26px,4vw,48px);align-items:center}
.scene-copy h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:var(--ink);line-height:1.36}
.scene-copy p{font-size:15px;color:var(--muted);margin-top:14px}
.scene-points{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.scene-points li{position:relative;padding-left:22px;font-size:14.5px;color:#2c4356}
.scene-points li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:3px;background:linear-gradient(140deg,var(--brand),var(--brand-2))}
.scene-stack{display:flex;flex-direction:column;gap:16px}
.scene-card{display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease)}
.scene-card:hover{transform:translateX(4px);box-shadow:var(--shadow-2)}
.scene-card img{width:112px;height:82px;object-fit:cover;border-radius:12px;flex:0 0 auto}
.scene-card h3{font-size:15.5px;font-weight:700;color:var(--ink)}
.scene-card p{font-size:13.4px;color:var(--muted);margin-top:4px}

/* ---------- 观点解读 ---------- */
.quote-card{background:linear-gradient(158deg,#0d2b42,#14435f);color:#fff;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-2);display:flex;flex-direction:column;gap:14px;transition:transform var(--ease),box-shadow var(--ease)}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3)}
.quote-mark{font-size:34px;line-height:1;color:rgba(255,154,60,.9);font-weight:800}
.quote-card p{font-size:15px;line-height:1.85;color:rgba(233,244,251,.9)}
.quote-by{font-size:12.5px;color:rgba(233,244,251,.58);letter-spacing:.5px;margin-top:auto}

/* ---------- 社会认同 ---------- */
.stats-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 18px;text-align:center;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease)}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.stat strong{display:block;font-size:clamp(24px,2.4vw,30px);font-weight:800;color:var(--brand-ink);letter-spacing:-.5px}
.stat span{font-size:13px;color:var(--muted)}
.voice-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:22px}
.voice{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-1);font-size:14.2px;color:#2c4356;transition:transform var(--ease),box-shadow var(--ease)}
.voice:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.voice .who{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(145deg,#17a8c4,#0f7ea8);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;flex:0 0 auto}
.voice .who strong{font-size:14px;color:var(--ink)}
.voice-stars{font-size:12.5px;color:var(--accent);letter-spacing:2px;margin-left:auto}

/* ---------- 对比差异 ---------- */
.compare-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow-1)}
.compare{width:100%;min-width:600px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:14.5px}
.compare th,.compare td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.compare thead th{background:#eef5fb;color:var(--brand-ink);font-size:14px;font-weight:700}
.compare tbody tr:last-child th,.compare tbody tr:last-child td{border-bottom:none}
.compare tbody th{font-weight:600;color:var(--ink);background:#fafcfe;width:22%}
.compare .yes{color:var(--ok);font-weight:700}
.compare .no{color:var(--warn);font-weight:600}

/* ---------- 资讯 / CMS 列表 ---------- */
.news-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,.85fr);gap:clamp(22px,3vw,36px);align-items:start}
.news-list{border-top:1px solid var(--line)}
.news-item{display:block;padding:18px 2px;border-bottom:1px dashed var(--line);transition:background var(--ease)}
.news-item:hover{background:rgba(255,255,255,.7)}
.news-item h3{font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.55;transition:color var(--ease)}
.news-item:hover h3{color:var(--brand)}
.news-item p{font-size:13.8px;color:var(--muted);margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:12.5px;color:#7f96a9;margin-top:10px}
.news-meta .badge{font-size:11.5px}
.cms-empty{font-size:14px;color:var(--muted);padding:22px 0;border-bottom:1px dashed var(--line)}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-1)}
.side-card h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:12px}
.side-list li{padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px}
.side-list li:last-child{border-bottom:none}
.side-list a{display:block;color:#2c4356;transition:color var(--ease)}
.side-list a:hover{color:var(--brand)}
.side-list time{display:block;font-size:12px;color:#8aa0b2;margin-top:4px}
.side-more{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--brand);margin-top:14px}
.side-more:hover{color:var(--brand-2)}

/* ---------- 媒体精选 ---------- */
.media-card{display:flex;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#c9dcec}
.media-card img{width:96px;height:72px;object-fit:cover;border-radius:12px;flex:0 0 auto}
.media-card h3{font-size:15px;font-weight:700;color:var(--ink);line-height:1.5}
.media-card p{font-size:13px;color:var(--muted);margin-top:4px}
.media-card .badge{margin-top:8px;font-size:11.5px}

/* ---------- 数据分析 ---------- */
.data-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,3vw,34px);box-shadow:var(--shadow-1)}
.bar-item{margin-bottom:20px}
.bar-item:last-child{margin-bottom:0}
.bar-head{display:flex;justify-content:space-between;align-items:baseline;font-size:14px;margin-bottom:8px;color:#2c4356}
.bar-head strong{font-size:15px;color:var(--brand-ink)}
.bar-track{height:10px;border-radius:999px;background:#e3eef6;overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:width .6s ease}

/* ---------- 版本路线图 ---------- */
.road-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.road-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease)}
.road-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.road-stage{font-size:12px;letter-spacing:2px;font-weight:800;color:var(--brand)}
.road-card h3{font-size:17px;font-weight:700;color:var(--ink);margin-top:8px}
.road-card ul{margin-top:14px}
.road-card li{position:relative;padding-left:18px;font-size:13.8px;color:var(--muted);margin-top:9px}
.road-card li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--brand-2)}

/* ---------- 平台保障 ---------- */
.guard-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.guard{display:flex;gap:13px;align-items:flex-start;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:20px;transition:background var(--ease),transform var(--ease)}
.guard:hover{background:rgba(255,255,255,.11);transform:translateY(-4px)}
.guard .icon-box{background:rgba(23,168,196,.2);color:#8fe0f0}
.guard h3{font-size:15.5px;font-weight:700;color:#fff}
.guard p{font-size:13.2px;color:rgba(233,244,251,.68);margin-top:5px}

/* ---------- 快速解答 ---------- */
.faq-list{display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;box-shadow:var(--shadow-1);transition:box-shadow var(--ease),border-color var(--ease)}
.faq-item:hover{box-shadow:var(--shadow-2);border-color:#c9dcec}
.faq-item summary{display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:15.5px;font-weight:700;color:var(--ink);cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;line-height:1;color:var(--brand);transition:transform var(--ease)}
.faq-item[open] summary::after{content:"–"}
.faq-item summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:6px}
.faq-item p{margin-top:12px;font-size:14.2px;color:var(--muted)}

/* ---------- 订阅条 ---------- */
.subscribe{background:linear-gradient(135deg,#0b2537,#12506b);color:#fff;border-radius:var(--radius-lg);padding:clamp(26px,4vw,46px);display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(22px,3vw,36px);align-items:center;box-shadow:var(--shadow-3)}
.subscribe h2{font-size:clamp(21px,2.4vw,27px);font-weight:800;line-height:1.4;color:#fff}
.subscribe p{font-size:14.5px;color:rgba(233,244,251,.76);margin-top:12px}
.sub-form{display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{flex:1 1 210px;min-height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.1);color:#fff;padding:0 16px;font-size:14.5px;font-family:inherit}
.sub-form input::placeholder{color:rgba(255,255,255,.55)}
.sub-form input:focus{outline:2px solid var(--accent);outline-offset:1px;background:rgba(255,255,255,.18);border-color:transparent}
.form-hint{font-size:12.5px;color:rgba(233,244,251,.6);margin-top:12px;line-height:1.7}
.form-hint.is-ok{color:#9fe8c8}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{position:fixed;left:50%;bottom:16px;transform:translateX(-50%);z-index:110;width:min(760px,calc(100% - 28px));display:flex;align-items:center;justify-content:space-between;gap:16px;background:rgba(9,27,42,.95);color:#fff;border:1px solid rgba(255,255,255,.16);border-radius:16px;padding:12px 16px;box-shadow:var(--shadow-3);backdrop-filter:blur(8px)}
.sticky-cta strong{display:block;font-size:14.5px;color:#fff;font-weight:700}
.sticky-cta span{font-size:12.8px;color:rgba(233,244,251,.66)}

/* ---------- 页脚 ---------- */
.site-footer{background:#0a1c2c;color:rgba(255,255,255,.72);padding:54px 0 128px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.3fr .85fr .95fr;gap:clamp(24px,3vw,40px);border-top:1px solid rgba(255,255,255,.13);padding-top:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:rgba(255,255,255,.5)}
.footer-col p{font-size:13.8px;line-height:1.85;color:rgba(255,255,255,.62)}
.footer-col h3{font-size:13.5px;letter-spacing:1.6px;color:#fff;font-weight:700;margin-bottom:14px}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:rgba(255,255,255,.68);transition:color var(--ease),transform var(--ease)}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.foot-bottom{margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.5)}
.foot-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.foot-chips span{font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.66)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-lead{max-width:none}
  .grid-4,.stats-row,.guard-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3,.voice-row,.road-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scene-split{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .subscribe{grid-template-columns:1fr}
}
@media (max-width:900px){
  .dock{flex-wrap:wrap;border-radius:24px;padding:10px 12px 12px 14px;gap:10px}
  .nav-toggle{display:inline-flex}
  .dock-cta{margin-left:0;order:2}
  .nav-list{order:3;width:100%;flex-direction:column;align-items:stretch;gap:4px;display:none;margin-left:0;padding-top:6px;border-top:1px solid var(--line);margin-top:4px}
  .nav-list.is-open{display:flex}
  .nav-list a{padding:12px 14px;border-radius:12px;font-size:15px}
  .hero{border-radius:0 0 26px 26px}
}
@media (max-width:768px){
  .grid-2,.grid-3,.voice-row,.road-grid,.grid-4,.stats-row,.guard-row{grid-template-columns:1fr}
  .sec-head{padding-top:14px}
  .cal-item{flex:0 0 210px}
  .footer-grid{grid-template-columns:1fr}
  .sticky-cta{flex-direction:column;align-items:stretch;gap:10px;text-align:center}
  .sticky-cta .btn{width:100%}
  .hero-panel{padding:18px}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .brand-text strong{font-size:15px}
  .brand-text em{letter-spacing:2px;font-size:10px}
  .dock-cta{display:none}
  .nav-toggle{margin-left:auto}
  .hero{padding-top:38px}
  .btn{padding:12px 18px;font-size:14.5px}
  .scene-card{flex-direction:column;align-items:flex-start}
  .scene-card img{width:100%;height:132px}
  .media-card img{width:78px;height:64px}
  .card,.cat-card,.feature-card{padding:20px}
  .site-footer{padding-bottom:150px}
}

/* roulang page: category1 */
:root{
 --bg:#f3f7fb;
 --bg-alt:#e9f1f8;
 --ink:#0a1c2c;
 --ink-2:#112a41;
 --surface:#ffffff;
 --text:#152b40;
 --muted:#5d7488;
 --line:#dde8f2;
 --brand:#0f7ea8;
 --brand-2:#17a8c4;
 --brand-ink:#08344a;
 --accent:#ff9a3c;
 --ok:#2aa87a;
 --warn:#b4553f;
 --radius:16px;
 --radius-sm:12px;
 --radius-lg:22px;
 --shadow-1:0 2px 12px rgba(13,44,71,.06);
 --shadow-2:0 12px 32px rgba(13,44,71,.10);
 --shadow-3:0 22px 54px rgba(9,26,42,.18);
 --wrap:1180px;
 --sp:clamp(46px,6vw,86px);
 --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 background:var(--bg);
 color:var(--text);
 font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 22px}

/* ---------- 顶部浮动 Dock 导航 ---------- */
.site-header{position:sticky;top:0;z-index:120;padding:14px 0 12px;background:rgba(243,247,251,.88);backdrop-filter:blur(10px);transition:box-shadow var(--ease)}
.site-header.is-stuck{box-shadow:0 8px 26px rgba(13,44,71,.10)}
.dock{
 position:relative;
 display:flex;align-items:center;gap:16px;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:999px;
 padding:9px 12px 9px 16px;
 box-shadow:var(--shadow-2);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:#fff;box-shadow:0 6px 14px rgba(15,126,168,.35);flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.4px;color:var(--ink)}
.brand-text em{font-style:normal;font-size:10.5px;letter-spacing:3px;color:var(--muted)}
.nav-list{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-list a{display:block;padding:9px 14px;border-radius:999px;font-size:15px;color:#2b4356;transition:background var(--ease),color var(--ease)}
.nav-list a:hover{background:rgba(15,126,168,.09);color:var(--brand)}
.nav-list a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.nav-list a.is-active{background:var(--ink);color:#fff}
.dock-cta{margin-left:8px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;margin-left:auto;transition:var(--ease);padding:0}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.nav-toggle span{display:block;width:16px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;border-radius:2px}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* ---------- 按钮 / 标签 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border-radius:12px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;min-height:44px;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:linear-gradient(140deg,#1287b0,#17a8c4);color:#fff;box-shadow:0 10px 24px rgba(15,126,168,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(15,126,168,.34);background:linear-gradient(140deg,#0d769b,#139fbb)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink);box-shadow:var(--shadow-1)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand-ink);box-shadow:0 10px 26px rgba(3,16,26,.28)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(3,16,26,.34)}
.btn-sm{padding:10px 16px;font-size:14px;min-height:40px;border-radius:10px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;font-size:13px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);color:#e6f2fa}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;background:#eef5fb;color:#2c6b86;border:1px solid #d9e8f2}
.badge-accent{background:#fff3e6;color:#a45a12;border-color:#ffd9b3}

/* ---------- Hero 斜切色块 ---------- */
.hero{
 position:relative;overflow:hidden;color:#fff;
 padding:clamp(44px,6vw,76px) 0 clamp(84px,10vw,132px);
 background:linear-gradient(118deg,#061c2c 0%,#0b3450 52%,#106f8f 100%);
 clip-path:polygon(0 0,100% 0,100% 90%,0 100%);
}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.28;z-index:0}
.hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(118deg,rgba(6,22,36,.95) 0%,rgba(9,36,56,.78) 48%,rgba(10,60,86,.42) 100%)}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:clamp(26px,4vw,52px);align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:1px;color:#8fe0f0;background:rgba(23,168,196,.16);border:1px solid rgba(23,168,196,.36);border-radius:999px;padding:5px 14px;margin-bottom:20px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero h1{font-size:clamp(26px,3.5vw,42px);line-height:1.28;font-weight:800;letter-spacing:.4px;color:#fff;margin:0}
.hero-lead{margin-top:18px;font-size:clamp(14.5px,1.3vw,16px);line-height:1.85;color:rgba(233,244,251,.84);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-panel{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);border-radius:var(--radius-lg);padding:24px;backdrop-filter:blur(10px);box-shadow:0 18px 44px rgba(3,14,24,.32)}
.panel-title{font-size:16px;font-weight:700;color:#fff;margin:0;letter-spacing:.5px}
.panel-list{display:grid;gap:10px;margin-top:16px}
.panel-list li{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-size:13.5px;padding-bottom:10px;border-bottom:1px dashed rgba(255,255,255,.18)}
.panel-list li:last-child{border-bottom:none;padding-bottom:0}
.panel-list span{color:rgba(233,244,251,.68)}
.panel-list strong{color:#fff;font-weight:700;white-space:nowrap}
.panel-note{margin-top:16px;font-size:12.5px;line-height:1.75;color:rgba(233,244,251,.62)}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sp) 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:#fff}
.section-dark{background:linear-gradient(155deg,#081d2d 0%,#0e3a55 100%);color:#dfeef7}
.section-dark .sec-head h2{color:#fff}
.section-dark .sec-head p{color:rgba(223,238,247,.72)}
.sec-head{max-width:800px;margin-bottom:clamp(26px,3vw,42px)}
.sec-kicker{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;letter-spacing:2px;color:var(--brand);font-weight:700}
.sec-kicker::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.section-dark .sec-kicker{color:#7fd6ea}
.sec-head h2{font-size:clamp(21px,2.5vw,30px);line-height:1.35;margin:12px 0 10px;color:var(--ink);font-weight:800}
.sec-head p{color:var(--muted);font-size:15px;line-height:1.8;margin:0}

/* ---------- 网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}

/* ---------- 卡片 ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#c6def0}
.card h3{font-size:17px;line-height:1.5;margin:0 0 10px;color:var(--ink);font-weight:700}
.card p{font-size:14.5px;line-height:1.8;color:var(--muted);margin:0}
.card .badge{margin-top:16px}
.ico{width:42px;height:42px;border-radius:12px;background:#eaf4fa;color:var(--brand);display:grid;place-items:center;margin-bottom:16px}
.section-dark .ico{background:rgba(127,214,234,.14);color:#7fd6ea}
.dark-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:24px 22px;transition:transform var(--ease),border-color var(--ease),background var(--ease)}
.dark-card:hover{transform:translateY(-4px);border-color:rgba(127,214,234,.5);background:rgba(255,255,255,.09)}
.dark-card h3{font-size:17px;margin:0 0 10px;color:#fff;font-weight:700}
.dark-card p{font-size:14.5px;line-height:1.8;color:rgba(223,238,247,.76);margin:0}

/* ---------- 表格 ---------- */
.table-scroll{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow-1)}
.spec-table{width:100%;min-width:680px;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:14.5px}
.spec-table th{background:#eef5fb;color:var(--ink);font-weight:700;text-align:left;padding:15px 18px;font-size:14px;border-bottom:1px solid var(--line);white-space:nowrap}
.spec-table td{padding:15px 18px;border-bottom:1px solid #edf3f9;color:var(--text);line-height:1.7}
.spec-table tbody tr:last-child td{border-bottom:none}
.spec-table tbody tr:hover td{background:#f8fbfe}
.spec-table .em{color:var(--brand);font-weight:700}
.spec-table .ok{color:var(--ok);font-weight:700}
.spec-table .warn{color:var(--warn);font-weight:700}

/* ---------- 流程时间线 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.flow-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px 22px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#c6def0}
.flow-num{width:34px;height:34px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px;margin-bottom:14px}
.flow-item h3{font-size:16px;margin:0 0 8px;color:var(--ink);font-weight:700}
.flow-item p{font-size:14px;line-height:1.8;color:var(--muted);margin:0}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,52px);align-items:center}
.split-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-2);border:1px solid var(--line);background:#fff}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .5s ease}
.split-media:hover img{transform:scale(1.04)}
.check-list{display:grid;gap:14px;margin-top:22px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;line-height:1.8;color:var(--text)}
.check-list .dot{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:#e6f6f0;color:var(--ok);display:grid;place-items:center;margin-top:3px}
.check-list strong{color:var(--ink)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:940px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 22px;box-shadow:var(--shadow-1);transition:border-color var(--ease),box-shadow var(--ease)}
.faq details[open]{border-color:#bfdcee;box-shadow:var(--shadow-2)}
.faq summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:700;color:var(--ink);display:flex;justify-content:space-between;gap:16px;align-items:center;font-size:15.5px;transition:color var(--ease)}
.faq summary:hover{color:var(--brand)}
.faq summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:#eef5fb;color:var(--brand);display:grid;place-items:center;font-weight:700;font-size:16px;line-height:1}
.faq details[open] summary::after{content:"−";background:var(--brand);color:#fff}
.faq .faq-body{padding:0 0 20px;font-size:14.5px;line-height:1.85;color:var(--muted);margin:0;border-top:1px solid #eef4f9;padding-top:14px}

/* ---------- 频道矩阵 ---------- */
.channels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.channel{display:flex;flex-direction:column;gap:10px;padding:26px 24px;border-radius:var(--radius);background:linear-gradient(150deg,#0b2739,#12455f);color:#fff;box-shadow:var(--shadow-2);border:1px solid rgba(255,255,255,.08);transition:transform var(--ease),box-shadow var(--ease)}
.channel:hover{transform:translateY(-4px);box-shadow:var(--shadow-3)}
.channel .c-ico{width:38px;height:38px;border-radius:11px;background:rgba(127,214,234,.16);color:#7fd6ea;display:grid;place-items:center}
.channel h3{font-size:17px;margin:0;font-weight:700;color:#fff}
.channel p{font-size:14px;line-height:1.75;color:rgba(223,238,247,.74);margin:0}
.channel .c-more{font-size:13.5px;color:#7fd6ea;font-weight:600;margin-top:4px}

/* ---------- CTA 收口 ---------- */
.cta-band{background:linear-gradient(120deg,#0a2133 0%,#0f4b68 100%);border-radius:var(--radius-lg);padding:clamp(28px,4vw,50px);display:flex;gap:28px;align-items:center;justify-content:space-between;flex-wrap:wrap;color:#fff;box-shadow:var(--shadow-2)}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);margin:0 0 10px;font-weight:800;color:#fff}
.cta-band p{margin:0;font-size:14.5px;line-height:1.8;color:rgba(223,238,247,.76);max-width:560px}
.cta-band .btn{flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:#08192a;color:#b9cddc;padding:clamp(38px,5vw,62px) 0 0;margin-top:var(--sp)}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:clamp(24px,4vw,44px);padding-bottom:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:#7fa6bd}
.footer-col h3{font-size:15px;color:#fff;margin:0 0 14px;font-weight:700;letter-spacing:.5px}
.footer-col a{display:block;padding:5px 0;font-size:14.5px;color:#a9c1d3;transition:color var(--ease),transform var(--ease)}
.footer-col a:hover{color:#7fd6ea;transform:translateX(3px)}
.footer-col a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.footer-col p{font-size:14px;line-height:1.85;color:#93aec2;margin:0 0 16px;max-width:430px}
.foot-chips{display:flex;flex-wrap:wrap;gap:8px}
.foot-chips span{font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);color:#9fc2d6}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#7f9db2}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:32px}
 .hero-panel{max-width:520px}
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
 .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
 .channels{grid-template-columns:1fr}
 .split{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
 .nav-toggle{display:inline-flex}
 .nav-list{
  position:absolute;top:calc(100% + 10px);left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-2);padding:10px;display:none;margin-left:0;
 }
 .nav-list.is-open{display:flex}
 .nav-list a{padding:12px 14px;border-radius:10px;font-size:15px;min-height:44px;display:flex;align-items:center}
 .dock-cta{display:none}
 .dock{padding:8px 10px 8px 14px}
}
@media (max-width:768px){
 .grid-3{grid-template-columns:1fr}
 .grid-2{grid-template-columns:1fr}
 .grid-4{grid-template-columns:1fr}
 .flow{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:28px}
 .brand-text em{letter-spacing:2px}
 .hero{clip-path:polygon(0 0,100% 0,100% 94%,0 100%)}
}
@media (max-width:520px){
 .wrap{padding:0 16px}
 .hero h1{font-size:24px}
 .hero-lead{font-size:14px}
 .section{padding:clamp(38px,9vw,54px) 0}
 .card,.flow-item,.dark-card{padding:20px 18px}
 .cta-band{padding:24px 20px}
 .btn{width:100%}
 .hero-actions .btn{width:100%}
 .faq summary{font-size:14.5px;padding:16px 0}
 .foot-bottom{font-size:12px}
}

/* roulang page: article */
:root{
 --bg:#f3f7fb;
 --bg-alt:#e9f1f8;
 --ink:#0a1c2c;
 --ink-2:#112a41;
 --surface:#ffffff;
 --text:#152b40;
 --muted:#5d7488;
 --line:#dde8f2;
 --brand:#0f7ea8;
 --brand-2:#17a8c4;
 --brand-ink:#08344a;
 --accent:#ff9a3c;
 --ok:#2aa87a;
 --warn:#b4553f;
 --radius:16px;
 --radius-sm:12px;
 --radius-lg:22px;
 --shadow-1:0 2px 12px rgba(13,44,71,.06);
 --shadow-2:0 12px 32px rgba(13,44,71,.10);
 --shadow-3:0 22px 54px rgba(9,26,42,.18);
 --wrap:1180px;
 --sp:clamp(46px,6vw,86px);
 --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 padding-bottom:78px;
 background:var(--bg);
 color:var(--text);
 font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
/* ---------- 浮动 Dock 导航 ---------- */
.site-header{position:sticky;top:0;z-index:120;padding:14px 0 12px;background:rgba(243,247,251,.88);backdrop-filter:blur(10px);transition:box-shadow var(--ease)}
.site-header.is-stuck{box-shadow:0 8px 26px rgba(13,44,71,.10)}
.dock{position:relative;display:flex;align-items:center;gap:16px;background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:18px;padding:10px 14px 10px 18px;box-shadow:var(--shadow-1)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:#fff;box-shadow:0 6px 14px rgba(15,126,168,.35);flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.4px;color:var(--ink)}
.brand-text em{font-style:normal;font-size:10.5px;letter-spacing:3px;color:var(--muted)}
.nav-list{display:flex;align-items:center;gap:2px;margin-left:auto;list-style:none;padding:0}
.nav-list a{display:block;padding:9px 14px;border-radius:999px;font-size:15px;color:#2b4356;transition:background var(--ease),color var(--ease)}
.nav-list a:hover{background:rgba(15,126,168,.09);color:var(--brand)}
.nav-list a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.nav-list a.is-active{background:var(--ink);color:#fff}
.dock-cta{margin-left:8px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;margin-left:auto;transition:var(--ease)}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.nav-toggle span{display:block;width:16px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;border-radius:2px}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
/* ---------- 按钮 / 标签 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border-radius:12px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;min-height:44px;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:linear-gradient(140deg,#1287b0,#17a8c4);color:#fff;box-shadow:0 10px 24px rgba(15,126,168,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(15,126,168,.34);background:linear-gradient(140deg,#0d769b,#139fbb)}
.btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink);box-shadow:var(--shadow-1)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:10px 16px;font-size:14px;min-height:40px;border-radius:10px}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;font-size:13px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);color:#e6f2fa}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;background:#eef5fb;color:#2c6b86;border:1px solid #d9e8f2}
/* ---------- 文章头部 ---------- */
.article-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:clamp(30px,4.4vw,54px) 0 clamp(38px,5vw,62px);border-radius:0 0 30px 30px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.36;z-index:0;transform:scale(1.02)}
.hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(118deg,rgba(6,22,36,.96) 0%,rgba(9,36,56,.84) 54%,rgba(10,44,66,.62) 100%)}
.article-hero .wrap{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(233,244,251,.62);margin-bottom:16px}
.crumbs a{transition:color var(--ease)}
.crumbs a:hover{color:#fff}
.crumbs .sep{opacity:.5}
.article-hero h1{font-size:clamp(24px,3.2vw,38px);line-height:1.32;font-weight:800;letter-spacing:.3px;color:#fff;max-width:900px}
.article-lead{margin-top:16px;max-width:800px;font-size:15px;line-height:1.85;color:rgba(233,244,251,.8)}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.meta-item{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);font-size:13px;color:#dcecf6}
.meta-item strong{color:#fff;font-weight:700}
/* ---------- 板块 ---------- */
.section{padding:var(--sp) 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:#fff}
.section-tight{padding:clamp(30px,4vw,52px) 0}
.section-head{max-width:760px;margin-bottom:clamp(24px,3vw,40px)}
.section-head .kicker{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:600;letter-spacing:1.4px;color:var(--brand);margin-bottom:10px}
.section-head .kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand-2)}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.36;color:var(--ink)}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.85}
/* ---------- 要点卡 ---------- */
.key-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.key-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.key-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#c8e2ef}
.key-num{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;background:#eaf6fb;color:var(--brand);font-size:13px;font-weight:800}
.key-card h3{font-size:17px;color:var(--ink);margin:12px 0 8px;line-height:1.5}
.key-card p{font-size:14.5px;line-height:1.8;color:var(--muted)}
/* ---------- 正文 ---------- */
.article-body{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:clamp(22px,3.2vw,46px);box-shadow:var(--shadow-1);
 font-size:16px;line-height:1.85;color:var(--text);
}
.article-body > *:first-child{margin-top:0}
.article-body h2{font-size:clamp(20px,2.2vw,24px);line-height:1.45;color:var(--ink);margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--brand)}
.article-body h3{font-size:18px;line-height:1.5;color:var(--ink-2);margin:26px 0 10px}
.article-body h4{font-size:16px;color:var(--ink-2);margin:20px 0 8px}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:24px;list-style:revert}
.article-body li{margin-bottom:8px}
.article-body img{border-radius:var(--radius-sm);border:1px solid var(--line);margin:20px 0}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-2)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body blockquote{margin:22px 0;padding:16px 20px;background:var(--bg-alt);border-left:4px solid var(--brand-2);border-radius:10px;color:var(--ink-2)}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--bg-alt);color:var(--ink);font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--line);margin:28px 0}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;padding-top:20px;border-top:1px dashed var(--line)}
.article-tags .badge{font-size:12.5px;padding:6px 12px}
.empty-state{background:#fff;border:1px dashed #c7dcea;border-radius:var(--radius-lg);padding:clamp(38px,6vw,64px) 24px;text-align:center;box-shadow:var(--shadow-1)}
.empty-state h2{font-size:22px;color:var(--ink);margin-bottom:10px}
.empty-state p{color:var(--muted);font-size:15px;max-width:520px;margin:0 auto 22px}
/* ---------- 文中转化条 ---------- */
.mid-cta{display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;background:linear-gradient(140deg,#0d2a40,#124d68);color:#fff;border-radius:var(--radius-lg);padding:clamp(24px,3.4vw,40px);box-shadow:var(--shadow-3)}
.mid-cta h2{font-size:clamp(19px,2.2vw,24px);line-height:1.45;color:#fff}
.mid-cta p{margin-top:10px;max-width:640px;font-size:14.5px;line-height:1.8;color:rgba(233,244,251,.78)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
/* ---------- 频道矩阵 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.channel-card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#c8e2ef}
.channel-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(145deg,#e8f6fb,#d9eefa);color:var(--brand);border:1px solid #d5e9f4}
.channel-card h3{font-size:17px;color:var(--ink);margin:14px 0 8px}
.channel-card p{font-size:14px;line-height:1.8;color:var(--muted);flex:1}
.channel-card .more{margin-top:16px;font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.channel-card:hover .more{color:var(--brand-2)}
/* ---------- 延伸阅读 ---------- */
.post-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.post-link{display:flex;align-items:flex-start;gap:12px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 20px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.post-link:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#c8e2ef}
.post-dot{width:8px;height:8px;border-radius:50%;background:var(--brand-2);flex:0 0 auto;margin-top:9px}
.post-link span{font-size:15px;line-height:1.65;color:var(--ink);font-weight:600}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 22px;box-shadow:var(--shadow-1);transition:border-color var(--ease),box-shadow var(--ease)}
.faq-item[open]{border-color:#bfe0ee;box-shadow:var(--shadow-2)}
.faq-item summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px 0;font-size:16px;font-weight:600;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;line-height:1;color:var(--brand);transition:transform var(--ease)}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 0 18px;margin:0;font-size:14.5px;line-height:1.85;color:var(--muted)}
/* ---------- 保障条 ---------- */
.assure{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.assure-item{display:flex;align-items:flex-start;gap:12px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px;box-shadow:var(--shadow-1);transition:border-color var(--ease),transform var(--ease)}
.assure-item:hover{border-color:#c8e2ef;transform:translateY(-3px)}
.assure-item strong{display:block;font-size:15px;color:var(--ink);margin-bottom:4px}
.assure-item em{font-style:normal;font-size:13.5px;line-height:1.7;color:var(--muted)}
.assure-ico{width:34px;height:34px;flex:0 0 auto;border-radius:10px;display:grid;place-items:center;background:#eaf6fb;color:var(--brand);border:1px solid #d5e9f4}
/* ---------- 页脚 ---------- */
.site-footer{background:#0a1c2c;color:rgba(233,244,251,.78);padding:clamp(40px,5vw,64px) 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:rgba(233,244,251,.5)}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(233,244,251,.66)}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:rgba(233,244,251,.72);padding:5px 0;transition:color var(--ease)}
.footer-col a:hover{color:#8fe0f0}
.foot-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.foot-chips span{font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(23,168,196,.16);border:1px solid rgba(23,168,196,.3);color:#9fe4f2}
.foot-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:18px 0 22px;font-size:13px;color:rgba(233,244,251,.5)}
/* ---------- 底部固定转化条 ---------- */
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:200;background:rgba(10,28,44,.95);backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,.14);padding:10px 0}
.sticky-bar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px}
.sticky-bar p{margin:0;font-size:13.5px;color:rgba(233,244,251,.76)}
.sticky-bar strong{color:#fff}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .key-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .channel-grid,.post-list{grid-template-columns:repeat(2,minmax(0,1fr))}
 .assure{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:940px){
 .nav-toggle{display:inline-flex}
 .nav-list{display:none;position:absolute;top:calc(100% + 10px);left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-2);margin-left:0}
 .nav-list.is-open{display:flex}
 .nav-list a{padding:12px 14px;border-radius:10px}
 .dock-cta{display:none}
}
@media (max-width:768px){
 .article-hero{border-radius:0 0 22px 22px}
 .key-grid,.channel-grid,.post-list{grid-template-columns:1fr}
 .assure{grid-template-columns:1fr}
 .mid-cta{flex-direction:column;align-items:flex-start}
 .footer-grid{grid-template-columns:1fr}
 .sticky-bar p{font-size:12.5px}
 .btn{padding:12px 18px;font-size:14.5px}
}
@media (max-width:520px){
 .wrap{padding:0 16px}
 .article-meta{gap:8px}
 .meta-item{font-size:12px;padding:6px 11px}
 .article-body{font-size:15.5px;padding:20px 18px}
 .sticky-bar p{display:none}
 .sticky-bar .wrap{justify-content:center}
 .sticky-bar .btn{width:100%}
 .foot-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
 --bg:#f3f7fb;
 --bg-alt:#e9f1f8;
 --ink:#0a1c2c;
 --ink-2:#112a41;
 --surface:#ffffff;
 --text:#152b40;
 --muted:#5d7488;
 --line:#dde8f2;
 --brand:#0f7ea8;
 --brand-2:#17a8c4;
 --brand-ink:#08344a;
 --accent:#ff9a3c;
 --ok:#2aa87a;
 --warn:#b4553f;
 --radius:16px;
 --radius-sm:12px;
 --radius-lg:22px;
 --shadow-1:0 2px 12px rgba(13,44,71,.06);
 --shadow-2:0 12px 32px rgba(13,44,71,.10);
 --shadow-3:0 22px 54px rgba(9,26,42,.18);
 --wrap:1180px;
 --sp:clamp(46px,6vw,86px);
 --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 background:var(--bg);
 color:var(--text);
 font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
 padding-bottom:70px;
}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:800;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 clamp(16px,3.2vw,28px)}
/* ---------- 顶部浮动 Dock 导航 ---------- */
.site-header{position:sticky;top:0;z-index:120;padding:14px 0 12px;background:rgba(243,247,251,.88);backdrop-filter:blur(10px);transition:box-shadow var(--ease)}
.site-header.is-stuck{box-shadow:0 8px 26px rgba(13,44,71,.10)}
.dock{position:relative;display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:9px 10px 9px 16px;box-shadow:var(--shadow-1)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:#fff;box-shadow:0 6px 14px rgba(15,126,168,.35);flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.4px;color:var(--ink)}
.brand-text em{font-style:normal;font-size:10.5px;letter-spacing:3px;color:var(--muted)}
.nav-list{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-list a{display:block;padding:9px 14px;border-radius:999px;font-size:15px;color:#2b4356;transition:background var(--ease),color var(--ease)}
.nav-list a:hover{background:rgba(15,126,168,.09);color:var(--brand)}
.nav-list a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.nav-list a.is-active{background:var(--ink);color:#fff}
.dock-cta{margin-left:8px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;margin-left:auto;transition:var(--ease)}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.nav-toggle span{display:block;width:16px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;border-radius:2px}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
/* ---------- 按钮 / 标签 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border-radius:12px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;min-height:44px;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:linear-gradient(140deg,#1287b0,#17a8c4);color:#fff;box-shadow:0 10px 24px rgba(15,126,168,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(15,126,168,.34);background:linear-gradient(140deg,#0d769b,#139fbb)}
.btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink);box-shadow:var(--shadow-1)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:10px 16px;font-size:14px;min-height:40px;border-radius:10px}
.btn-block{width:100%}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;font-size:13px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);color:#e6f2fa}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;background:#eef5fb;color:#2c6b86;border:1px solid #d9e8f2}
.badge-accent{background:#fff3e6;color:#a45a12;border-color:#ffd9b3}
.chip{display:inline-flex;align-items:center;padding:3px 11px;border-radius:999px;font-size:12px;background:#eef5fb;color:#2c6b86;border:1px solid #d9e8f2}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:clamp(50px,6.4vw,86px) 0 clamp(54px,6.4vw,88px);border-radius:0 0 34px 34px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.38;z-index:0;transform:scale(1.02)}
.hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(118deg,rgba(6,22,36,.96) 0%,rgba(9,36,56,.84) 52%,rgba(10,44,66,.58) 100%)}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(28px,4vw,52px);align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:1px;color:#8fe0f0;background:rgba(23,168,196,.16);border:1px solid rgba(23,168,196,.36);border-radius:999px;padding:5px 14px;margin-bottom:20px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero h1{font-size:clamp(26px,3.5vw,41px);line-height:1.3;letter-spacing:.4px;color:#fff;overflow-wrap:break-word}
.hero-lead{margin-top:18px;font-size:clamp(14.5px,1.3vw,16px);line-height:1.85;color:rgba(233,244,251,.82);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-panel{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);border-radius:var(--radius-lg);padding:24px;backdrop-filter:blur(10px);box-shadow:0 18px 44px rgba(3,14,24,.32)}
.panel-title{font-size:18px;font-weight:800;color:#fff;margin-top:12px;line-height:1.4}
.panel-desc{font-size:13.5px;line-height:1.75;color:rgba(233,244,251,.7);margin-top:10px}
.panel-list{margin-top:16px;border-top:1px dashed rgba(255,255,255,.18)}
.panel-list li{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.18);font-size:13.5px;color:rgba(233,244,251,.74)}
.panel-list strong{color:#fff;font-weight:700;white-space:nowrap}
.hero-panel .btn-block{margin-top:16px}
.hero-panel .btn-block + .btn-block{margin-top:10px}
/* ---------- 板块通用 ---------- */
.section{padding:var(--sp) 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:var(--surface)}
.section-dark{background:linear-gradient(160deg,#0a1e30,#0f3049);color:#e8f2f9}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:clamp(24px,3.4vw,40px)}
.sec-kicker{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:1.6px;color:var(--brand);margin-bottom:12px}
.sec-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand-2)}
.sec-head h2{font-size:clamp(21px,2.5vw,29px);color:var(--ink)}
.sec-desc{margin-top:12px;font-size:15px;line-height:1.8;color:var(--muted);max-width:660px}
.section-dark .sec-head h2{color:#fff}
.section-dark .sec-desc{color:rgba(233,244,251,.72)}
.section-dark .sec-kicker{color:#7fd8ea}
.section-dark .sec-kicker::before{background:#7fd8ea}
/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(14px,2vw,22px);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(20px,3vw,30px);box-shadow:var(--shadow-1)}
.stat{border-left:2px solid rgba(15,126,168,.18);padding-left:16px}
.stat:first-child{border-left:0;padding-left:0}
.stat-num{font-size:clamp(21px,2.4vw,29px);font-weight:800;color:var(--brand);line-height:1.2}
.stat-label{display:block;margin-top:8px;font-size:13.5px;line-height:1.7;color:var(--muted)}
/* ---------- 卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2vw,24px)}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(16px,2vw,24px)}
.tip-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);overflow:hidden;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.tip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#c3dcec}
.tip-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.tip-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.tip-body h3{font-size:17px;color:var(--ink);margin-bottom:10px}
.tip-body p{font-size:14.5px;line-height:1.8;color:var(--muted)}
/* ---------- 场景演示 ---------- */
.stage-wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(24px,3.6vw,46px);align-items:center}
.stage-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(22px,3vw,32px);box-shadow:var(--shadow-1)}
.stage{display:grid;grid-template-columns:auto 1fr;gap:16px;padding:16px 0;border-bottom:1px dashed var(--line)}
.stage:last-child{border-bottom:0;padding-bottom:0}
.stage:first-child{padding-top:0}
.stage-no{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-size:14px;font-weight:800;color:#fff;background:linear-gradient(140deg,#1287b0,#17a8c4);box-shadow:0 8px 18px rgba(15,126,168,.28)}
.stage h3{font-size:16px;color:var(--ink);margin-bottom:6px}
.stage p{font-size:14.5px;line-height:1.8;color:var(--muted)}
.stage-figure{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-2);border:1px solid var(--line);background:#0d2337}
.stage-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.stage-figure figcaption{padding:14px 18px;font-size:13px;line-height:1.7;color:#c8dbe8;background:#0d2337}
/* ---------- 对比 ---------- */
.compare-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(22px,2.6vw,30px);box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.compare-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#c3dcec}
.compare-card h3{font-size:18px;margin-top:14px}
.compare-card .lead-line{font-size:14.5px;line-height:1.8;color:var(--muted);margin-top:10px}
.tick-list{margin-top:16px}
.tick-list li{position:relative;padding-left:22px;margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--muted)}
.tick-list li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;background:var(--brand-2)}
.compare-card.is-dark{background:linear-gradient(160deg,#0b2338,#123c56);border-color:rgba(255,255,255,.12);color:#e8f2f9}
.compare-card.is-dark h3{color:#fff}
.compare-card.is-dark .lead-line,.compare-card.is-dark .tick-list li{color:rgba(233,244,251,.8)}
.compare-card.is-dark .tick-list li::before{background:var(--accent)}
/* ---------- 评价 ---------- */
.quote-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:22px 24px;transition:transform var(--ease),border-color var(--ease),background var(--ease)}
.quote-card:hover{transform:translateY(-3px);border-color:rgba(127,216,234,.5);background:rgba(255,255,255,.09)}
.quote-card p{font-size:14.5px;line-height:1.85;color:rgba(233,244,251,.85)}
.quote-name{display:flex;align-items:center;gap:10px;margin-top:18px;font-size:13.5px;font-weight:700;color:#fff}
.quote-name span{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#1287b0,#17a8c4);font-size:12px;color:#fff}
.quote-name em{font-style:normal;font-weight:400;color:#8fb3c8;font-size:12.5px;margin-left:2px}
/* ---------- 内容列表 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2vw,22px)}
.post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px 22px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#c3dcec}
.post-card h3{font-size:16px;line-height:1.55;color:var(--ink)}
.post-card p{margin-top:10px;font-size:14px;line-height:1.78;color:var(--muted)}
.post-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);font-size:12.5px;color:#7d94a6}
.empty-note{padding:26px;border:1px dashed var(--line);border-radius:var(--radius-sm);background:#f8fbfe;color:var(--muted);font-size:14.5px;text-align:center}
/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:920px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 22px;box-shadow:var(--shadow-1);transition:border-color var(--ease),box-shadow var(--ease)}
.faq details:hover{border-color:#c3dcec;box-shadow:var(--shadow-2)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:14px;cursor:pointer;font-size:15.5px;font-weight:700;color:var(--ink);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:19px;font-weight:700;color:var(--brand);line-height:1;flex:0 0 auto}
.faq details[open] summary::after{content:"–"}
.faq summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:6px}
.faq p{margin-top:12px;font-size:14.5px;line-height:1.85;color:var(--muted)}
/* ---------- 底部 CTA ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:clamp(30px,4.4vw,54px);color:#fff;background:#0b2338;box-shadow:var(--shadow-3)}
.cta-band .cta-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.3}
.cta-band .cta-mask{position:absolute;inset:0;background:linear-gradient(120deg,rgba(6,22,36,.94),rgba(10,44,66,.62))}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:clamp(22px,3vw,40px);align-items:center}
.cta-inner h2{font-size:clamp(21px,2.4vw,28px);color:#fff}
.cta-inner p{margin-top:14px;font-size:14.5px;line-height:1.85;color:rgba(233,244,251,.82);max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.cta-side{display:grid;gap:10px}
.cta-side li{display:flex;align-items:center;gap:10px;font-size:14px;color:#dcecf6;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:12px;padding:12px 16px}
.cta-side li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);flex:0 0 auto}
/* ---------- 页脚 ---------- */
.site-footer{background:#0a1c2c;color:#c8dbe8;padding:clamp(40px,5vw,62px) 0 0;margin-top:var(--sp)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:clamp(24px,4vw,54px);padding-bottom:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:#7fa3ba}
.footer-col p{font-size:14px;line-height:1.85;color:#a9c4d6;max-width:430px}
.foot-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.foot-chips span{font-size:12.5px;padding:4px 11px;border-radius:999px;border:1px solid rgba(255,255,255,.18);color:#cfe4f0}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:14px;letter-spacing:.5px}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:#a9c4d6;transition:color var(--ease),transform var(--ease)}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-col a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0 22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:#8aa8bd}
/* ---------- 底部固定转化条 ---------- */
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:160;background:rgba(9,26,42,.95);border-top:1px solid rgba(255,255,255,.14);backdrop-filter:blur(10px);padding:10px 0;transform:translateY(112%);transition:transform .28s ease}
.sticky-bar.is-show{transform:translateY(0)}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.sticky-text{display:flex;flex-direction:column;line-height:1.4;font-size:13.5px;color:#fff}
.sticky-text span{font-size:12.5px;color:#9fbccf}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr}
 .grid-3,.post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
 .stat:nth-child(3){border-left:0;padding-left:0}
 .stage-wrap{grid-template-columns:1fr}
 .cta-inner{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr}
 .footer-col:first-child{grid-column:1 / -1}
}
@media (max-width:768px){
 .nav-toggle{display:flex}
 .dock{flex-wrap:wrap;border-radius:22px;padding:10px 12px}
 .nav-list{position:absolute;top:calc(100% + 10px);left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow-2);display:none;margin-left:0}
 .nav-list.is-open{display:flex}
 .nav-list a{padding:12px 14px;border-radius:12px;font-size:15px}
 .dock-cta{display:none}
 .sec-head{flex-direction:column;align-items:flex-start}
 .hero{border-radius:0 0 24px 24px}
 .grid-2{grid-template-columns:1fr}
 .faq details{padding:15px 18px}
}
@media (max-width:520px){
 .grid-3,.grid-2,.post-grid,.stats{grid-template-columns:1fr}
 .stat{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:14px}
 .stat:first-child{border-top:0;padding-top:0}
 .hero-actions .btn{width:100%}
 .cta-actions .btn{width:100%}
 .footer-grid{grid-template-columns:1fr}
 .sticky-text span{display:none}
 .sticky-inner{gap:10px}
 .tip-body,.post-card{padding:18px}
}

/* roulang page: category3 */
:root{
 --bg:#f3f7fb;
 --bg-alt:#e9f1f8;
 --ink:#0a1c2c;
 --ink-2:#112a41;
 --surface:#ffffff;
 --text:#152b40;
 --muted:#5d7488;
 --line:#dde8f2;
 --brand:#0f7ea8;
 --brand-2:#17a8c4;
 --brand-ink:#08344a;
 --accent:#ff9a3c;
 --ok:#2aa87a;
 --warn:#b4553f;
 --radius:16px;
 --radius-sm:12px;
 --radius-lg:22px;
 --shadow-1:0 2px 12px rgba(13,44,71,.06);
 --shadow-2:0 12px 32px rgba(13,44,71,.10);
 --shadow-3:0 22px 54px rgba(9,26,42,.18);
 --wrap:1180px;
 --sp:clamp(46px,6vw,86px);
 --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 padding-bottom:86px;
 background:var(--bg);
 color:var(--text);
 font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0}
.wrap{width:min(100% - 40px,var(--wrap));margin-inline:auto}
@media (max-width:520px){.wrap{width:min(100% - 28px,var(--wrap))}}

/* ---------- 顶部浮动 Dock 导航 ---------- */
.site-header{position:sticky;top:0;z-index:120;padding:14px 0 12px;background:rgba(243,247,251,.88);backdrop-filter:blur(10px);transition:box-shadow var(--ease)}
.site-header.is-stuck{box-shadow:0 8px 26px rgba(13,44,71,.10)}
.dock{position:relative;display:flex;align-items:center;gap:10px;padding:9px 10px 9px 16px;background:#fff;border:1px solid var(--line);border-radius:999px;box-shadow:var(--shadow-1)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:#fff;box-shadow:0 6px 14px rgba(15,126,168,.35);flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.4px;color:var(--ink)}
.brand-text em{font-style:normal;font-size:10.5px;letter-spacing:3px;color:var(--muted)}
.nav-list{display:flex;align-items:center;gap:2px;margin:0 0 0 auto;padding:0;list-style:none}
.nav-list a{display:block;padding:9px 14px;border-radius:999px;font-size:15px;color:#2b4356;transition:background var(--ease),color var(--ease)}
.nav-list a:hover{background:rgba(15,126,168,.09);color:var(--brand)}
.nav-list a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.nav-list a.is-active{background:var(--ink);color:#fff}
.dock-cta{margin-left:8px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;margin-left:auto;transition:var(--ease);padding:0}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.nav-toggle span{display:block;width:16px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;border-radius:2px}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* ---------- 按钮 / 标签 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border-radius:12px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;min-height:44px;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:linear-gradient(140deg,#1287b0,#17a8c4);color:#fff;box-shadow:0 10px 24px rgba(15,126,168,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(15,126,168,.34);background:linear-gradient(140deg,#0d769b,#139fbb)}
.btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink);box-shadow:var(--shadow-1)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:10px 16px;font-size:14px;min-height:40px;border-radius:10px}
.btn-block{width:100%}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;background:#eef5fb;color:#2c6b86;border:1px solid #d9e8f2;white-space:nowrap}
.badge-ok{background:#e9f8f1;color:#1c7d59;border-color:#bfe8d7}
.badge-accent{background:#fff3e6;color:#a45a12;border-color:#ffd9b3}
.badge-plain{background:rgba(255,255,255,.14);color:#d7e9f5;border-color:rgba(255,255,255,.26)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:clamp(52px,7vw,88px) 0 clamp(48px,6vw,76px);border-radius:0 0 34px 34px}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-4.webp');background-size:cover;background-position:center;opacity:.4;z-index:0;transform:scale(1.03)}
.hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(118deg,rgba(6,22,36,.96) 0%,rgba(9,36,56,.84) 52%,rgba(10,44,66,.6) 100%)}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(28px,4vw,52px);align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:1px;color:#8fe0f0;background:rgba(23,168,196,.16);border:1px solid rgba(23,168,196,.36);border-radius:999px;padding:5px 14px;margin-bottom:20px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero h1{font-size:clamp(27px,3.5vw,41px);line-height:1.3;font-weight:800;letter-spacing:.4px;color:#fff}
.hero h1 .hl{color:#8fe0f0}
.hero-lead{margin-top:18px;font-size:clamp(14.5px,1.3vw,16px);line-height:1.85;color:rgba(233,244,251,.82);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;font-size:13px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);color:#e6f2fa}
.hero-panel{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);border-radius:var(--radius-lg);padding:22px;backdrop-filter:blur(10px);box-shadow:0 18px 44px rgba(3,14,24,.32)}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.16)}
.panel-title{font-size:16.5px;font-weight:700;color:#fff}
.panel-hint{font-size:12.5px;color:rgba(233,244,251,.6)}
.region-list{margin-top:6px}
.region-item{display:flex;align-items:flex-start;gap:12px;padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.14)}
.region-item:last-child{border-bottom:0;padding-bottom:4px}
.region-dot{width:10px;height:10px;border-radius:50%;background:var(--brand-2);margin-top:8px;flex:0 0 auto;box-shadow:0 0 0 4px rgba(23,168,196,.18)}
.region-dot.alt{background:var(--accent);box-shadow:0 0 0 4px rgba(255,154,60,.18)}
.region-body{flex:1 1 auto;min-width:0}
.region-body strong{display:block;font-size:15px;color:#fff;font-weight:700}
.region-body em{font-style:normal;display:block;font-size:12.5px;line-height:1.65;color:rgba(233,244,251,.64);margin-top:3px}
.near-entry{margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.16);font-size:13px;color:rgba(233,244,251,.7);display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.near-entry a{display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);color:#e6f2fa;font-size:12.5px;transition:var(--ease)}
.near-entry a:hover{background:rgba(255,255,255,.2)}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp) 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:#fff}
.section-dark{background:linear-gradient(160deg,#0a1e30,#0f3049);color:#eaf3fa}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:1.5px;color:var(--brand);font-weight:700;margin-bottom:12px}
.sec-kicker::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.sec-title{font-size:clamp(22px,2.4vw,30px);font-weight:800;color:var(--ink);line-height:1.36}
.sec-sub{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.8}
.section-dark .sec-kicker{color:#8fe0f0}
.section-dark .sec-title{color:#fff}
.section-dark .sec-sub{color:rgba(226,240,250,.72)}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:1024px){
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
 .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
 .grid-2,.grid-3,.grid-4{grid-template-columns:minmax(0,1fr)}
}

/* ---------- 数据条 ---------- */
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 20px 18px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#c6ddeb}
.stat .num{font-size:clamp(22px,2.4vw,28px);font-weight:800;color:var(--brand);letter-spacing:.5px;line-height:1.2}
.stat .label{margin-top:8px;font-size:13.5px;color:var(--muted)}

/* ---------- 卡片 ---------- */
.card{height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);padding:22px;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#c6ddeb}
.card-media{margin:-22px -22px 18px;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:#eaf5fb;color:var(--brand);margin-bottom:14px;border:1px solid #d8e9f3}
.card-icon svg{width:21px;height:21px}
.card h3{font-size:17.5px;font-weight:700;color:var(--ink);line-height:1.45}
.card p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--muted)}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:clamp(26px,4vw,48px);align-items:center}
.split.reverse .split-media{order:2}
.split-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-2);border:1px solid var(--line);background:#fff}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-list{margin-top:22px;display:grid;gap:14px}
.split-item{display:flex;gap:12px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 16px;box-shadow:var(--shadow-1);transition:var(--ease)}
.split-item:hover{border-color:#c6ddeb;box-shadow:var(--shadow-2);transform:translateY(-2px)}
.split-item .mark{width:26px;height:26px;border-radius:8px;background:#eaf5fb;color:var(--brand);display:grid;place-items:center;font-size:13px;font-weight:800;flex:0 0 auto;margin-top:2px}
.split-item strong{display:block;font-size:15px;color:var(--ink)}
.split-item span{display:block;margin-top:3px;font-size:13.5px;color:var(--muted);line-height:1.7}
@media (max-width:900px){
 .split{grid-template-columns:minmax(0,1fr)}
 .split.reverse .split-media{order:0}
}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:28px}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--brand-2),#cfe4f1)}
.timeline li{position:relative;padding-bottom:26px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-28px;top:6px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--brand-2);box-shadow:0 0 0 4px rgba(23,168,196,.12)}
.timeline .t-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.timeline .t-head strong{font-size:16px;color:var(--ink)}
.timeline p{margin-top:8px;font-size:14.5px;line-height:1.8;color:var(--muted)}

/* ---------- 对照表 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-1)}
table.cmp{width:100%;border-collapse:collapse;min-width:660px;font-size:14.5px}
table.cmp caption{caption-side:top;text-align:left;padding:16px 18px 0;font-size:13px;color:var(--muted)}
table.cmp thead th{background:#eef5fb;color:var(--ink);font-weight:700;text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);white-space:nowrap}
table.cmp tbody td{padding:14px 16px;border-bottom:1px solid #edf3f9;color:#2a4358;vertical-align:top;line-height:1.7}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp tbody tr:hover{background:#f7fbfe}
table.cmp tbody th{text-align:left;padding:14px 16px;border-bottom:1px solid #edf3f9;color:var(--ink);font-weight:700;background:#fbfdff;white-space:nowrap}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px 20px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#c6ddeb}
.step .idx{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:10px;background:linear-gradient(140deg,var(--brand),var(--brand-2));color:#fff;font-weight:800;font-size:14px;margin-bottom:12px}
.step h3{font-size:15.5px;color:var(--ink);font-weight:700}
.step p{margin-top:8px;font-size:13.8px;line-height:1.75;color:var(--muted)}
@media (max-width:1024px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.steps{grid-template-columns:minmax(0,1fr)}}

/* ---------- 引用 ---------- */
.quote{height:100%;background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand-2);border-radius:var(--radius-sm);padding:20px;box-shadow:var(--shadow-1);transition:var(--ease)}
.quote:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#c6ddeb;border-left-color:var(--accent)}
.quote p{font-size:14.8px;line-height:1.85;color:#26405a}
.quote .who{margin-top:14px;font-size:13px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:940px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-1);padding:16px 18px;transition:border-color var(--ease),box-shadow var(--ease)}
.faq details[open]{border-color:#bfdcec;box-shadow:var(--shadow-2)}
.faq summary{cursor:pointer;font-weight:700;color:var(--ink);list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center;font-size:15.5px;line-height:1.6;min-height:28px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;color:var(--brand);line-height:1;transition:transform var(--ease);flex:0 0 auto}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:6px}
.faq p{margin-top:12px;color:var(--muted);font-size:14.5px;line-height:1.85}

/* ---------- 保障条 ---------- */
.assure{position:relative;overflow:hidden;background:linear-gradient(150deg,#0a1e30,#0f3049);border-radius:var(--radius-lg);padding:clamp(26px,4vw,44px);color:#eaf3fa;box-shadow:var(--shadow-3)}
.assure::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(23,168,196,.35),transparent 70%)}
.assure-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(24px,4vw,44px);align-items:center}
.assure h2{font-size:clamp(21px,2.3vw,28px);font-weight:800;color:#fff;line-height:1.4}
.assure p{margin-top:12px;font-size:14.5px;line-height:1.85;color:rgba(226,240,250,.78)}
.assure-list{display:grid;gap:12px}
.assure-item{display:flex;gap:12px;align-items:flex-start;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-sm);padding:14px 16px}
.assure-item .tick{width:22px;height:22px;border-radius:50%;background:rgba(42,168,122,.22);color:#6fe0b4;display:grid;place-items:center;flex:0 0 auto;font-size:12px;font-weight:800;margin-top:2px}
.assure-item strong{display:block;font-size:14.8px;color:#fff}
.assure-item span{display:block;margin-top:3px;font-size:13.2px;color:rgba(226,240,250,.7);line-height:1.7}
@media (max-width:900px){.assure-grid{grid-template-columns:minmax(0,1fr)}}

/* ---------- 固定转化条 ---------- */
.fixed-cta{position:fixed;left:0;right:0;bottom:0;z-index:130;background:rgba(8,25,42,.96);backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,.12);padding:10px 0}
.fixed-cta .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px}
.fixed-cta .fc-text{font-size:14px;color:#cfe3f1;line-height:1.5}
.fixed-cta .fc-text strong{color:#fff}
.fixed-cta .fc-actions{display:flex;gap:10px;flex-wrap:wrap}
@media (max-width:640px){
 .fixed-cta .wrap{flex-direction:column;align-items:stretch;gap:10px}
 .fixed-cta .fc-actions .btn{flex:1 1 auto}
 .fixed-cta .fc-text{font-size:13.2px;text-align:center}
 body{padding-bottom:132px}
}

/* ---------- 页脚 ---------- */
.site-footer{background:#08192a;color:#c9dbea;padding:clamp(40px,5vw,64px) 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:#8fb0c6}
.footer-col h3{font-size:15px;color:#fff;margin:0 0 14px;font-weight:700}
.footer-col a{display:block;padding:6px 0;font-size:14.5px;color:#a9c3d6;transition:color var(--ease),padding-left var(--ease)}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-col p{font-size:14px;line-height:1.85;color:#98b4c9;margin:0 0 16px}
.foot-chips{display:flex;flex-wrap:wrap;gap:8px}
.foot-chips span{font-size:12.5px;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);color:#bfd6e6}
.foot-bottom{margin-top:32px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#7f9cb2}
@media (max-width:900px){.footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.footer-col:first-child{grid-column:1 / -1}}
@media (max-width:560px){.footer-grid{grid-template-columns:minmax(0,1fr)}}

/* ---------- 移动端导航 ---------- */
@media (max-width:960px){
 .nav-toggle{display:inline-flex}
 .dock{border-radius:22px;flex-wrap:wrap}
 .nav-list{position:absolute;top:calc(100% + 10px);left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;margin:0;padding:10px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-2);display:none}
 .nav-list.is-open{display:flex}
 .nav-list a{padding:12px 14px;border-radius:12px;font-size:15px}
 .dock-cta{display:none}
}
@media (max-width:520px){
 .hero{border-radius:0 0 24px 24px}
 .hero-actions .btn{width:100%}
}