/* roulang page: index */
:root{
  --ink:#0c1220;
  --ink-2:#1c2740;
  --muted:#697691;
  --muted-2:#8b97ae;
  --line:#e4e9f3;
  --line-2:#d5dced;
  --bg:#f4f7fd;
  --bg-2:#eef2fa;
  --white:#ffffff;
  --primary:#2f5bff;
  --primary-dark:#1d41d8;
  --primary-soft:#eaefff;
  --accent:#00bfa5;
  --accent-soft:#e0fbf5;
  --warn:#ff8b3d;
  --warn-soft:#fff2e7;
  --dark:#0b1120;
  --dark-2:#111b33;
  --dark-3:#16213c;
  --radius-xs:8px;
  --radius-s:12px;
  --radius:18px;
  --radius-l:26px;
  --shadow-xs:0 1px 3px rgba(13,24,56,.06);
  --shadow-s:0 6px 18px rgba(13,24,56,.07);
  --shadow:0 14px 36px rgba(13,24,56,.10);
  --shadow-l:0 28px 70px rgba(13,24,56,.16);
  --sp:26px;
  --maxw:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  letter-spacing:.01em;
  padding-bottom:74px;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--primary-dark);}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:800;line-height:1.35;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
:focus-visible{outline:3px solid rgba(47,91,255,.45);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;}

/* ---------- 通用板块 ---------- */
.section{padding:78px 0;}
.section-tight{padding:58px 0;}
.section-dark{background:var(--dark);color:#c9d3e8;}
.section-dark h2,.section-dark h3,.section-dark h4{color:#fff;}
.section-soft{background:var(--bg-2);}
.section-white{background:var(--white);}

.sec-head{max-width:780px;margin-bottom:40px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--primary);
  background:var(--primary-soft);
  padding:7px 14px;border-radius:999px;margin-bottom:16px;
}
.section-dark .eyebrow{background:rgba(47,91,255,.18);color:#8fb0ff;}
.sec-head h2{font-size:clamp(1.5rem,2.7vw,2.1rem);margin-bottom:14px;}
.sec-head p{color:var(--muted);font-size:1.02rem;}
.section-dark .sec-head p{color:#94a2be;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:.96rem;
  padding:.72rem 1.6rem;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px) scale(.99);}
.btn-primary{
  --bs-btn-bg:var(--primary);--bs-btn-border-color:var(--primary);
  --bs-btn-hover-bg:var(--primary-dark);--bs-btn-hover-border-color:var(--primary-dark);
  --bs-btn-active-bg:var(--primary-dark);--bs-btn-active-border-color:var(--primary-dark);
  --bs-btn-color:#fff;--bs-btn-hover-color:#fff;--bs-btn-active-color:#fff;
  color:#fff;background:var(--primary);border-color:var(--primary);
  box-shadow:0 12px 26px rgba(47,91,255,.30);
}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;box-shadow:0 16px 34px rgba(47,91,255,.38);}
.btn-line{
  color:#fff;background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.28);
}
.btn-line:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost{
  color:var(--ink);background:var(--white);border-color:var(--line-2);
  box-shadow:var(--shadow-xs);
}
.btn-ghost:hover{color:var(--primary);border-color:#bfcdfa;background:#fbfcff;}
.btn-accent{color:#053b34;background:var(--accent);border-color:var(--accent);box-shadow:0 12px 26px rgba(0,191,165,.28);}
.btn-accent:hover{background:#00a892;border-color:#00a892;color:#03302b;}
.btn-lg{padding:.9rem 2rem;font-size:1rem;}
.btn-sm{padding:.5rem 1.05rem;font-size:.86rem;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.site-header .navbar{padding:12px 0;align-items:center;}
.brand{display:inline-flex;align-items:center;gap:11px;padding:0;margin-right:8px;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,var(--primary),#5b7cff);
  color:#fff;font-size:.95rem;
  box-shadow:0 10px 22px rgba(47,91,255,.32);
}
.brand-text{font-size:1.16rem;font-weight:900;color:var(--ink);letter-spacing:-.01em;line-height:1.1;}
.brand-text em{font-style:normal;color:var(--primary);}
.brand-sub{display:block;font-size:.68rem;font-weight:600;color:var(--muted-2);letter-spacing:.18em;text-transform:uppercase;}

.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line-2);
  background:var(--white);color:var(--ink);font-size:1.05rem;
  display:inline-grid;place-items:center;box-shadow:var(--shadow-xs);
}
.nav-toggle:hover{color:var(--primary);border-color:#bfcdfa;}

.nav-center{flex:1;justify-content:center;gap:4px;}
.nav-center .nav-link{
  color:var(--ink-2);font-weight:700;font-size:.94rem;
  padding:.5rem 1rem;border-radius:999px;
  transition:background-color .2s ease,color .2s ease;
}
.nav-center .nav-link:hover{background:var(--primary-soft);color:var(--primary);}
.nav-center .nav-link.active{background:var(--ink);color:#fff;}
.nav-center .nav-link.active:hover{background:var(--ink);color:#fff;}
.nav-actions{display:flex;align-items:center;gap:10px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#e8eefc;
  background:
    radial-gradient(1100px 520px at 12% -12%,rgba(60,102,255,.45) 0%,rgba(11,17,32,0) 62%),
    radial-gradient(760px 420px at 92% 8%,rgba(0,191,165,.24) 0%,rgba(11,17,32,0) 60%),
    linear-gradient(158deg,#0a1020 0%,#101a34 55%,#0a1020 100%);
  padding:72px 0 82px;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;pointer-events:none;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 78%);
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 78%);
}
.hero .container{position:relative;z-index:2;}
.hero-top{max-width:880px;}
.pill{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.83rem;font-weight:700;color:#9db6ff;
  background:rgba(47,91,255,.16);
  border:1px solid rgba(120,155,255,.32);
  padding:7px 15px;border-radius:999px;margin-bottom:22px;
}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(0,191,165,.2);}
.hero h1{
  color:#fff;font-size:clamp(1.85rem,4.1vw,3.05rem);
  line-height:1.28;margin-bottom:18px;letter-spacing:-.02em;
}
.hero h1 .hl{
  background:linear-gradient(100deg,#8fb0ff,#00e0c0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:clamp(1.02rem,1.6vw,1.24rem);font-weight:700;color:#dfe7fa;
  margin-bottom:14px;line-height:1.6;
}
.hero-desc{color:#9dabc9;font-size:1rem;max-width:760px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:14px 44px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.12);
}
.hero-stats li{display:flex;flex-direction:column;gap:2px;}
.hero-stats .num{font-size:1.5rem;font-weight:900;color:#fff;letter-spacing:-.02em;}
.hero-stats .num i{font-size:.9rem;color:var(--accent);font-style:normal;margin-left:3px;}
.hero-stats .lbl{font-size:.82rem;color:#8b9ab9;font-weight:600;}

/* Hero 区域面板 */
.hero-region{
  margin-top:46px;padding:26px 26px 22px;
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-l);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.region-head{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:12px;
  font-size:1.02rem;font-weight:800;color:#fff;margin-bottom:16px;
}
.region-head span{font-size:.84rem;font-weight:600;color:#8b9ab9;}
.region-tags{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:24px;}
.rtag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.85rem;font-weight:600;color:#c7d4ee;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  padding:6px 14px;border-radius:999px;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.rtag:hover{background:rgba(47,91,255,.28);border-color:rgba(140,170,255,.6);color:#fff;}
.rtag.on{background:var(--primary);border-color:var(--primary);color:#fff;}
.nearby-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.nearby{
  background:rgba(12,20,40,.62);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius);
  padding:16px 18px;
  transition:transform .2s ease,border-color .2s ease,background-color .2s ease;
}
.nearby:hover{transform:translateY(-3px);border-color:rgba(120,155,255,.55);background:rgba(18,28,54,.85);}
.nearby-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:6px;}
.nearby-city{font-weight:800;color:#fff;font-size:.98rem;}
.nearby-badge{
  font-size:.72rem;font-weight:700;color:#053b34;background:var(--accent);
  padding:3px 9px;border-radius:999px;
}
.nearby-meta{font-size:.82rem;color:#8b9ab9;display:flex;gap:14px;flex-wrap:wrap;}
.nearby-meta b{color:#cfdcf7;font-weight:700;}

/* ---------- 指标看板 ---------- */
.metrics{background:var(--dark-2);color:#c9d3e8;padding:52px 0;}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.10);border-radius:var(--radius);overflow:hidden;}
.metric{background:var(--dark-2);padding:26px 24px;transition:background-color .25s ease;}
.metric:hover{background:var(--dark-3);}
.metric .m-num{font-size:2.05rem;font-weight:900;color:#fff;letter-spacing:-.03em;line-height:1.1;}
.metric .m-num small{font-size:1rem;font-weight:800;color:var(--accent);margin-left:4px;}
.metric .m-lbl{font-size:.92rem;font-weight:700;color:#d6def3;margin-top:8px;}
.metric .m-tip{font-size:.82rem;color:#8695b4;margin-top:4px;line-height:1.6;}

/* ---------- 产品价值 ---------- */
.value-wrap{display:grid;grid-template-columns:0.85fr 1.15fr;gap:52px;align-items:start;}
.value-side h2{font-size:clamp(1.5rem,2.6vw,2.05rem);margin-bottom:16px;}
.value-side p{color:var(--muted);margin-bottom:22px;}
.value-side .mini-note{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow-xs);
}
.value-side .mini-note i{color:var(--primary);font-size:1.1rem;margin-top:4px;}
.value-side .mini-note span{font-size:.9rem;color:var(--muted);line-height:1.7;}

.value-list{display:grid;gap:16px;}
.value-item{
  display:grid;grid-template-columns:56px 1fr;gap:18px;
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 24px;
  box-shadow:var(--shadow-xs);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.value-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cfdafb;}
.value-ico{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);font-size:1.2rem;
}
.value-item h3{font-size:1.1rem;margin-bottom:7px;}
.value-item p{color:var(--muted);font-size:.95rem;}

/* ---------- 功能 Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;}
.bento-card{
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow-xs);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;gap:10px;
}
.bento-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfdafb;}
.bento-card h3{font-size:1.05rem;}
.bento-card p{color:var(--muted);font-size:.92rem;}
.bento-card .bi{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-size:1.05rem;background:var(--primary-soft);color:var(--primary);}
.bento-card.accent .bi{background:var(--accent-soft);color:#00897a;}
.bento-card.warn .bi{background:var(--warn-soft);color:#d96616;}
.span-2{grid-column:span 2;}
.span-3{grid-column:span 3;}
.span-4{grid-column:span 4;}
.bento-dark{background:var(--dark-2);border-color:#1d2a4a;color:#c9d3e8;}
.bento-dark h3{color:#fff;}
.bento-dark p{color:#93a1bf;}
.bento-dark .bi{background:rgba(47,91,255,.24);color:#9db6ff;}
.bento-dark:hover{border-color:#2b3f6e;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px;}
.tag{
  font-size:.78rem;font-weight:700;color:var(--ink-2);
  background:var(--bg-2);border:1px solid var(--line);
  padding:4px 11px;border-radius:999px;
}
.tag-blue{color:var(--primary);background:var(--primary-soft);border-color:#ccd9ff;}
.tag-green{color:#00897a;background:var(--accent-soft);border-color:#bff0e7;}

/* ---------- 频道矩阵 ---------- */
.channel-band{background:var(--dark);color:#c9d3e8;padding:74px 0;}
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:30px;}
.channel-card{
  display:block;background:linear-gradient(150deg,#141f3a,#0f1830);
  border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-l);
  padding:28px 26px;color:#c9d3e8;
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.channel-card:hover{transform:translateY(-5px);border-color:rgba(120,155,255,.6);box-shadow:0 24px 50px rgba(0,0,0,.4);color:#fff;}
.channel-card .cc-ico{
  width:50px;height:50px;border-radius:15px;display:grid;place-items:center;
  background:rgba(47,91,255,.22);color:#9db6ff;font-size:1.15rem;margin-bottom:16px;
}
.channel-card h3{color:#fff;font-size:1.16rem;margin-bottom:10px;}
.channel-card p{color:#93a1bf;font-size:.93rem;margin-bottom:16px;}
.channel-card .cc-link{font-size:.88rem;font-weight:800;color:#8fb0ff;display:inline-flex;align-items:center;gap:7px;}
.channel-card:hover .cc-link{color:#aec6ff;}
.channel-card:hover .cc-link i{transform:translateX(3px);}
.channel-card .cc-link i{transition:transform .2s ease;}
.channel-tags{display:flex;flex-wrap:wrap;gap:10px;}
.channel-tags span{
  font-size:.85rem;color:#a9b6d2;font-weight:600;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.11);
  padding:7px 15px;border-radius:999px;
  transition:background-color .2s ease,color .2s ease;
}
.channel-tags span:hover{background:rgba(47,91,255,.24);color:#fff;}

/* ---------- 结果对比 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.compare-col{
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius-l);padding:28px 26px;box-shadow:var(--shadow-xs);
}
.compare-col.ours{border-color:#c7d6ff;box-shadow:0 18px 44px rgba(47,91,255,.14);}
.compare-col h3{font-size:1.14rem;margin-bottom:6px;display:flex;align-items:center;gap:10px;}
.compare-col .sub{font-size:.86rem;color:var(--muted-2);font-weight:600;margin-bottom:20px;}
.compare-col.ours h3 i{color:var(--primary);}
.compare-col.old h3 i{color:var(--muted-2);}
.compare-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding:13px 0;border-bottom:1px dashed var(--line);
  font-size:.95rem;color:var(--muted);
}
.compare-list li:last-child{border-bottom:none;}
.compare-list li i{margin-top:6px;font-size:.82rem;}
.ours .compare-list li{color:var(--ink-2);}
.ours .compare-list li i{color:var(--accent);}
.old .compare-list li i{color:#c3cbdb;}
.compare-list b{color:var(--ink);font-weight:800;}

/* ---------- 里程碑时间线 ---------- */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(to bottom,var(--primary),rgba(47,91,255,.06));
}
.tl-item{position:relative;padding-bottom:30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:8px;width:16px;height:16px;border-radius:50%;
  background:var(--white);border:3px solid var(--primary);
  box-shadow:0 0 0 4px rgba(47,91,255,.12);
}
.tl-item h3{font-size:1.06rem;margin-bottom:6px;}
.tl-item .tl-phase{
  display:inline-block;font-size:.76rem;font-weight:800;letter-spacing:.08em;
  color:var(--primary);background:var(--primary-soft);
  padding:3px 10px;border-radius:999px;margin-bottom:9px;
}
.tl-item p{color:var(--muted);font-size:.94rem;}

/* ---------- 三步开通 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:step;}
.step{
  position:relative;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius-l);padding:30px 26px 26px;box-shadow:var(--shadow-xs);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfdafb;}
.step::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;top:20px;right:24px;
  font-size:2.4rem;font-weight:900;color:var(--bg-2);letter-spacing:-.04em;line-height:1;
}
.step .st-ico{width:48px;height:48px;border-radius:14px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:1.1rem;margin-bottom:16px;}
.step h3{font-size:1.08rem;margin-bottom:9px;}
.step p{color:var(--muted);font-size:.93rem;}

/* ---------- 多端入口 ---------- */
.device-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.device{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-xs);text-align:left;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.device:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfdafb;}
.device i{font-size:1.5rem;color:var(--primary);margin-bottom:14px;display:block;}
.device h3{font-size:1rem;margin-bottom:8px;}
.device p{color:var(--muted);font-size:.9rem;}
.device .d-meta{margin-top:12px;font-size:.8rem;font-weight:700;color:var(--accent);}

/* ---------- 评价墙 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.review{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-xs);
  transition:transform .22s ease,box-shadow .22s ease;
}
.review:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.review .stars{color:#ffb02e;font-size:.85rem;margin-bottom:12px;letter-spacing:2px;}
.review p{font-size:.95rem;color:var(--ink-2);margin-bottom:18px;}
.review-user{display:flex;align-items:center;gap:12px;}
.review-avatar{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  font-weight:800;color:#fff;font-size:.9rem;
  background:linear-gradient(140deg,var(--primary),#6d8bff);
}
.review-avatar.g2{background:linear-gradient(140deg,#00bfa5,#48e0c8);}
.review-avatar.g3{background:linear-gradient(140deg,#ff8b3d,#ffb877);}
.review-avatar.g4{background:linear-gradient(140deg,#7a5cff,#a693ff);}
.review-name{font-size:.9rem;font-weight:800;color:var(--ink);line-height:1.3;}
.review-role{font-size:.79rem;color:var(--muted-2);font-weight:600;}

/* ---------- 系统要求 ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.spec{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);padding:22px;
}
.spec .s-title{font-size:.84rem;font-weight:800;letter-spacing:.1em;color:#8fb0ff;margin-bottom:12px;text-transform:uppercase;}
.spec ul li{font-size:.92rem;color:#c3cee6;padding:6px 0;border-bottom:1px dashed rgba(255,255,255,.1);}
.spec ul li:last-child{border-bottom:none;}
.spec ul li b{color:#fff;font-weight:800;}

/* ---------- 资讯列表 ---------- */
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.news-item{
  display:grid;grid-template-columns:74px 1fr;gap:18px;align-items:center;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;box-shadow:var(--shadow-xs);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cfdafb;}
.news-thumb{
  width:74px;height:74px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--primary-soft),#dfe8ff);color:var(--primary);font-size:1.3rem;
}
.news-item h3{font-size:1rem;margin-bottom:6px;line-height:1.5;}
.news-item h3 a{color:var(--ink);}
.news-item h3 a:hover{color:var(--primary);}
.news-item p{font-size:.87rem;color:var(--muted);}
.news-meta{font-size:.78rem;color:var(--muted-2);font-weight:700;margin-top:6px;display:flex;gap:14px;}

/* ---------- 平台保障 ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.guard{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;text-align:center;box-shadow:var(--shadow-xs);
  transition:transform .22s ease,box-shadow .22s ease;
}
.guard:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.guard .g-ico{
  width:56px;height:56px;border-radius:18px;margin:0 auto 16px;
  display:grid;place-items:center;font-size:1.3rem;
  background:var(--primary-soft);color:var(--primary);
}
.guard h3{font-size:1rem;margin-bottom:8px;}
.guard p{font-size:.88rem;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:0.8fr 1.2fr;gap:46px;align-items:start;}
.faq-side h2{font-size:clamp(1.45rem,2.5vw,1.95rem);margin-bottom:16px;}
.faq-side p{color:var(--muted);margin-bottom:24px;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-xs);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:#c7d6ff;box-shadow:var(--shadow-s);}
.faq-q{
  width:100%;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-weight:800;color:var(--ink);font-size:1rem;
  transition:background-color .2s ease,color .2s ease;
}
.faq-q:hover{background:#fafbff;color:var(--primary);}
.faq-q i{color:var(--primary);font-size:.85rem;transition:transform .25s ease;flex-shrink:0;}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a-inner{padding:0 22px 20px;color:var(--muted);font-size:.94rem;}

/* ---------- 转化表单 ---------- */
.join-band{
  background:
    radial-gradient(900px 420px at 88% 0%,rgba(0,191,165,.22),transparent 62%),
    linear-gradient(150deg,#0b1120,#131f3c 65%,#0b1120);
  color:#c9d3e8;padding:78px 0;
}
.join-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center;}
.join-left h2{color:#fff;font-size:clamp(1.6rem,2.9vw,2.2rem);margin-bottom:16px;}
.join-left p{color:#9dabc9;margin-bottom:22px;}
.join-points{display:grid;gap:12px;}
.join-points li{display:flex;align-items:flex-start;gap:12px;font-size:.95rem;color:#c3cee6;}
.join-points li i{color:var(--accent);margin-top:6px;font-size:.85rem;}
.join-form{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-l);padding:30px 28px;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.join-form h3{color:#fff;font-size:1.16rem;margin-bottom:8px;}
.join-form .f-sub{font-size:.87rem;color:#93a1bf;margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:.84rem;font-weight:700;color:#c3cee6;margin-bottom:7px;}
.field input,.field select{
  width:100%;padding:.72rem .95rem;border-radius:12px;
  background:rgba(9,15,30,.6);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:.94rem;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:#6c7a97;}
.field input:focus,.field select:focus{
  outline:none;border-color:#6d8bff;box-shadow:0 0 0 4px rgba(47,91,255,.22);
}
.field select option{color:#0c1220;}
.form-note{font-size:.8rem;color:#8695b4;margin-top:14px;line-height:1.6;}
.form-msg{font-size:.86rem;color:var(--accent);font-weight:700;margin-top:10px;min-height:22px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#080d1a;color:#8d9bb8;padding:58px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;margin-bottom:38px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-about{font-size:.9rem;line-height:1.8;color:#7f8dab;max-width:340px;}
.footer-col h4{color:#fff;font-size:.95rem;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a,.footer-col ul li span{font-size:.9rem;color:#8d9bb8;transition:color .2s ease;}
.footer-col ul li a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);padding-top:22px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:.83rem;color:#6b7996;
}
.footer-bottom a{color:#8d9bb8;}
.footer-bottom a:hover{color:#fff;}

/* ---------- 底部固定转化栏 ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:rgba(11,17,32,.96);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-top:1px solid rgba(255,255,255,.12);
  padding:12px 0;
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;}
.sticky-text{color:#c9d3e8;font-size:.92rem;font-weight:600;}
.sticky-text b{color:#fff;}
.sticky-text .s-tip{color:#8b9ab9;font-weight:500;margin-left:10px;font-size:.85rem;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .value-wrap{grid-template-columns:1fr;gap:34px;}
  .bento{grid-template-columns:repeat(4,1fr);}
  .span-3,.span-4{grid-column:span 4;}
  .span-2{grid-column:span 2;}
  .channel-grid{grid-template-columns:repeat(2,1fr);}
  .device-grid{grid-template-columns:repeat(2,1fr);}
  .review-grid{grid-template-columns:repeat(2,1fr);}
  .spec-grid{grid-template-columns:repeat(2,1fr);}
  .guard-grid{grid-template-columns:repeat(2,1fr);}
  .faq-wrap{grid-template-columns:1fr;gap:30px;}
  .join-wrap{grid-template-columns:1fr;gap:34px;}
  .nearby-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}

@media (max-width:991.98px){
  .site-header .navbar-collapse{
    margin-top:14px;padding:16px;background:var(--white);
    border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow-s);
  }
  .nav-center{justify-content:flex-start;gap:2px;width:100%;}
  .nav-center .nav-item{width:100%;}
  .nav-center .nav-link{padding:.7rem 1rem;border-radius:12px;}
  .nav-actions{margin-top:14px;width:100%;}
  .nav-actions .btn{flex:1;}
}

@media (max-width:768px){
  body{font-size:15.5px;line-height:1.8;}
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  .hero{padding:54px 0 62px;}
  .hero-region{padding:20px 18px;}
  .hero-stats{gap:14px 28px;}
  .hero-stats .num{font-size:1.26rem;}
  .bento{grid-template-columns:repeat(2,1fr);}
  .span-2,.span-3,.span-4{grid-column:span 2;}
  .channel-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;}
  .news-list{grid-template-columns:1fr;}
  .nearby-grid{grid-template-columns:1fr;}
  .spec-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .sticky-text .s-tip{display:none;}
  .join-form{padding:24px 20px;}
}

@media (max-width:520px){
  .container{padding:0 16px;}
  .metrics-grid{grid-template-columns:1fr;}
  .device-grid{grid-template-columns:1fr;}
  .review-grid{grid-template-columns:1fr;}
  .guard-grid{grid-template-columns:1fr;}
  .bento{grid-template-columns:1fr;}
  .span-2,.span-3,.span-4{grid-column:span 1;}
  .hero-cta .btn{width:100%;}
  .value-item{grid-template-columns:1fr;gap:12px;}
  .news-item{grid-template-columns:1fr;gap:12px;}
  .news-thumb{width:56px;height:56px;}
  .sticky-inner{flex-direction:column;gap:10px;text-align:center;}
  .sticky-inner .btn{width:100%;}
  body{padding-bottom:112px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category3 */
:root{
 --ink:#0c1220;
 --ink-2:#1c2740;
 --muted:#697691;
 --muted-2:#8b97ae;
 --line:#e4e9f3;
 --line-2:#d5dced;
 --bg:#f4f7fd;
 --bg-2:#eef2fa;
 --white:#ffffff;
 --primary:#2f5bff;
 --primary-dark:#1d41d8;
 --primary-soft:#eaefff;
 --accent:#00bfa5;
 --accent-soft:#e0fbf5;
 --warn:#ff8b3d;
 --warn-soft:#fff2e7;
 --dark:#0b1120;
 --dark-2:#111b33;
 --dark-3:#16213c;
 --radius-xs:8px;
 --radius-s:12px;
 --radius:18px;
 --radius-l:26px;
 --shadow-xs:0 1px 3px rgba(13,24,56,.06);
 --shadow-s:0 6px 18px rgba(13,24,56,.07);
 --shadow:0 14px 36px rgba(13,24,56,.10);
 --shadow-l:0 28px 70px rgba(13,24,56,.16);
 --sp:26px;
 --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
 font-size:16px;
 line-height:1.85;
 color:var(--ink-2);
 background:var(--bg);
 letter-spacing:.01em;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--primary-dark);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
:focus-visible{outline:3px solid rgba(47,91,255,.45);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;}
/* ---------- 通用板块 ---------- */
.section{padding:78px 0;}
.section-tight{padding:56px 0;}
.section-white{background:var(--white);}
.section-soft{background:var(--bg-2);}
.section-dark{background:var(--dark);color:#c3cfe6;}
.section-dark h2,.section-dark h3,.section-dark h4{color:#fff;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:.76rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
 color:var(--primary);background:var(--primary-soft);
 padding:7px 15px;border-radius:999px;margin-bottom:16px;
}
.section-dark .eyebrow{background:rgba(47,91,255,.18);color:#93b3ff;}
.sec-head{margin-bottom:40px;}
.sec-head h2{font-size:clamp(1.5rem,3vw,2.05rem);line-height:1.4;margin:0 0 12px;}
.sec-head p{color:var(--muted);margin:0;max-width:760px;font-size:.97rem;}
.section-dark .sec-head p{color:#94a2be;}
.sec-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:999px;font-weight:700;font-size:.95rem;
 padding:.72rem 1.6rem;border:1px solid transparent;
 transition:transform .18s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
 white-space:nowrap;
}
.btn:active{transform:translateY(1px) scale(.99);}
.btn-primary{
 color:#fff;background:var(--primary);border-color:var(--primary);
 box-shadow:0 12px 26px rgba(47,91,255,.30);
}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;box-shadow:0 16px 34px rgba(47,91,255,.38);}
.btn-line{color:#fff;background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.28);}
.btn-line:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost{color:var(--ink);background:var(--white);border-color:var(--line-2);box-shadow:var(--shadow-xs);}
.btn-ghost:hover{color:var(--primary);border-color:#bfcdfa;background:#fbfcff;}
.btn-accent{color:#04352f;background:var(--accent);border-color:var(--accent);box-shadow:0 12px 26px rgba(0,191,165,.28);}
.btn-accent:hover{background:#00a892;border-color:#00a892;color:#03302b;}
.btn-lg{padding:.9rem 2rem;font-size:1rem;}
.btn-sm{padding:.5rem 1.05rem;font-size:.85rem;}
/* ---------- 头部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,255,255,.94);
 backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid var(--line);
}
.site-header .navbar{padding:12px 0;align-items:center;}
.brand{display:inline-flex;align-items:center;gap:11px;padding:0;margin-right:8px;}
.brand-mark{
 width:40px;height:40px;border-radius:12px;
 display:grid;place-items:center;
 background:linear-gradient(145deg,var(--primary),#5b7cff);
 color:#fff;font-size:.95rem;
 box-shadow:0 10px 22px rgba(47,91,255,.32);
}
.brand-text{font-size:1.16rem;font-weight:900;color:var(--ink);letter-spacing:-.01em;line-height:1.1;}
.brand-text em{font-style:normal;color:var(--primary);}
.brand-sub{display:block;font-size:.66rem;font-weight:600;color:var(--muted-2);letter-spacing:.18em;text-transform:uppercase;}
.nav-toggle{
 width:44px;height:44px;border-radius:12px;border:1px solid var(--line-2);
 background:var(--white);color:var(--ink);font-size:1.05rem;
 display:inline-grid;place-items:center;box-shadow:var(--shadow-xs);
}
.nav-toggle:hover{color:var(--primary);border-color:#bfcdfa;}
.nav-center{flex:1;justify-content:center;gap:4px;}
.nav-center .nav-link{
 color:var(--ink-2);font-weight:700;font-size:.94rem;
 padding:.5rem 1rem;border-radius:999px;
 transition:background-color .2s ease,color .2s ease;
}
.nav-center .nav-link:hover{background:var(--primary-soft);color:var(--primary);}
.nav-center .nav-link.active{background:var(--ink);color:#fff;}
.nav-center .nav-link.active:hover{background:var(--ink);color:#fff;}
.nav-actions{display:flex;align-items:center;gap:10px;}
/* ---------- Hero：区域节点首屏 ---------- */
.hero{
 position:relative;overflow:hidden;color:#e8eefc;
 background:
  radial-gradient(1100px 520px at 10% -14%,rgba(60,102,255,.45) 0%,rgba(11,17,32,0) 62%),
  radial-gradient(720px 420px at 94% 6%,rgba(0,191,165,.22) 0%,rgba(11,17,32,0) 60%),
  linear-gradient(158deg,#0a1020 0%,#101a34 55%,#0a1020 100%);
 padding:68px 0 76px;
}
.hero::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
 background-size:64px 64px;
 mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 78%);
 -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 78%);
}
.hero .container{position:relative;z-index:2;}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 font-size:.8rem;font-weight:700;letter-spacing:.05em;
 color:#a9c1ff;background:rgba(47,91,255,.16);
 border:1px solid rgba(120,152,255,.36);
 padding:8px 16px;border-radius:999px;margin-bottom:20px;
}
.hero h1{
 font-size:clamp(1.72rem,3.9vw,2.7rem);
 line-height:1.34;color:#fff;margin:0 0 18px;letter-spacing:-.01em;
}
.hero-lead{font-size:1.02rem;color:#b4c1dc;max-width:640px;margin:0 0 26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.region-tags{display:flex;flex-wrap:wrap;gap:9px;}
.region-chip{
 display:inline-flex;align-items:center;gap:7px;
 font-size:.82rem;font-weight:700;color:#c9d6f2;
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.14);
 padding:7px 14px;border-radius:999px;
 transition:background-color .2s ease,border-color .2s ease,color .2s ease,transform .18s ease;
}
.region-chip i{font-size:.7rem;color:var(--accent);}
.region-chip:hover{background:rgba(47,91,255,.2);border-color:rgba(120,152,255,.5);color:#fff;transform:translateY(-2px);}
.node-panel{
 background:rgba(255,255,255,.055);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius-l);
 padding:24px 24px 20px;
 box-shadow:var(--shadow-l);
}
.node-panel h3{font-size:1.02rem;margin:0 0 4px;font-weight:800;color:#fff;}
.node-panel .hint{font-size:.8rem;color:#8fa0c0;margin:0 0 18px;}
.node-row{
 display:flex;align-items:center;gap:12px;
 padding:11px 14px;margin-bottom:10px;
 border-radius:var(--radius-s);
 background:rgba(255,255,255,.045);
 border:1px solid rgba(255,255,255,.08);
 transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.node-row:last-of-type{margin-bottom:0;}
.node-row:hover{background:rgba(47,91,255,.18);border-color:rgba(120,152,255,.42);transform:translateX(3px);}
.node-dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(0,191,165,.16);flex:none;}
.node-dot.warm{background:var(--warn);box-shadow:0 0 0 4px rgba(255,139,61,.16);}
.node-name{font-weight:700;font-size:.9rem;color:#e8eefc;}
.node-city{font-size:.75rem;color:#8fa0c0;display:block;font-weight:500;}
.node-ms{margin-left:auto;font-size:.84rem;font-weight:800;color:#93b3ff;font-variant-numeric:tabular-nums;}
.node-foot{
 margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.1);
 font-size:.8rem;color:#8fa0c0;display:flex;align-items:center;gap:8px;
}
.node-foot strong{color:#fff;font-weight:700;}
/* ---------- 指标看板 ---------- */
.metric-board{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.metric-card{
 position:relative;overflow:hidden;
 background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-xs);
 transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.metric-card::before{
 content:"";position:absolute;left:0;top:0;height:3px;width:100%;
 background:linear-gradient(90deg,var(--primary),var(--accent));
 opacity:0;transition:opacity .25s ease;
}
.metric-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:#c8d5fb;}
.metric-card:hover::before{opacity:1;}
.metric-icon{font-size:1rem;color:var(--primary);margin-bottom:12px;}
.metric-value{font-size:2.05rem;font-weight:900;color:var(--ink);line-height:1.1;font-variant-numeric:tabular-nums;}
.metric-value small{font-size:.88rem;font-weight:700;color:var(--muted);margin-left:5px;letter-spacing:0;}
.metric-label{font-size:.92rem;font-weight:800;color:var(--ink-2);margin-top:10px;}
.metric-desc{font-size:.82rem;color:var(--muted);margin-top:6px;line-height:1.75;}
/* ---------- 能力矩阵 ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.matrix-card{
 background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 24px;box-shadow:var(--shadow-xs);
 transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.matrix-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:#c8d5fb;}
.matrix-icon{
 width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
 background:var(--primary-soft);color:var(--primary);font-size:1.05rem;margin-bottom:16px;
}
.matrix-card h3{font-size:1.05rem;margin:0 0 8px;}
.matrix-card p{font-size:.9rem;color:var(--muted);margin:0 0 14px;}
.badge-tag{
 display:inline-flex;align-items:center;gap:6px;
 font-size:.75rem;font-weight:700;color:#046b5d;
 background:var(--accent-soft);padding:5px 12px;border-radius:999px;
}
.badge-tag.blue{color:var(--primary-dark);background:var(--primary-soft);}
/* ---------- 结果对比 ---------- */
.compare-wrap{
 overflow-x:auto;background:var(--white);
 border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-xs);
}
table.compare{width:100%;border-collapse:collapse;min-width:660px;}
.compare th,.compare td{padding:16px 20px;text-align:left;font-size:.92rem;border-bottom:1px solid var(--line);}
.compare thead th{background:var(--bg-2);font-weight:800;color:var(--ink);font-size:.85rem;letter-spacing:.04em;}
.compare tbody tr:last-child td{border-bottom:none;}
.compare tbody tr{transition:background-color .2s ease;}
.compare tbody tr:hover{background:#fafbff;}
.compare td.yes{color:#046b5d;font-weight:700;}
.compare td.no{color:var(--muted-2);}
.compare td.item{font-weight:700;color:var(--ink);}
/* ---------- 里程碑 ---------- */
.timeline{position:relative;padding-left:8px;margin:0;}
.timeline::before{
 content:"";position:absolute;left:6px;top:10px;bottom:10px;width:2px;
 background:linear-gradient(180deg,var(--primary),var(--accent));
 border-radius:2px;
}
.timeline-item{position:relative;padding:0 0 30px 30px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
 content:"";position:absolute;left:-1px;top:9px;
 width:14px;height:14px;border-radius:50%;
 background:var(--white);border:3px solid var(--primary);
}
.timeline-item h3{font-size:1.02rem;margin:0 0 6px;}
.timeline-item p{font-size:.9rem;color:var(--muted);margin:0;}
.timeline-year{
 display:inline-block;font-size:.74rem;font-weight:800;letter-spacing:.1em;
 color:var(--primary-dark);background:var(--primary-soft);
 padding:3px 11px;border-radius:999px;margin-bottom:8px;
}
/* ---------- 资讯列表 ---------- */
.news-list{display:flex;flex-direction:column;gap:16px;}
.news-item{
 display:flex;gap:22px;align-items:flex-start;
 background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 24px;box-shadow:var(--shadow-xs);
 transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.news-item:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#c8d5fb;}
.news-date{
 flex:none;width:88px;font-size:.78rem;font-weight:700;color:var(--muted);
 letter-spacing:.04em;padding-top:3px;
}
.news-body h3{font-size:1.02rem;margin:0 0 6px;}
.news-body p{font-size:.89rem;color:var(--muted);margin:0;}
/* ---------- 平台保障（深色） ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.guard-card{
 background:rgba(255,255,255,.05);
 border:1px solid rgba(255,255,255,.12);
 border-radius:var(--radius);padding:26px 22px;
 transition:background-color .22s ease,border-color .22s ease,transform .22s ease;
}
.guard-card:hover{background:rgba(47,91,255,.14);border-color:rgba(120,152,255,.4);transform:translateY(-4px);}
.guard-card i{font-size:1.15rem;color:var(--accent);margin-bottom:14px;display:block;}
.guard-card h3{font-size:1rem;margin:0 0 8px;}
.guard-card p{font-size:.87rem;color:#93a3c0;margin:0;line-height:1.8;}
/* ---------- 快速解答 ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.quick-card{
 border-left:3px solid var(--primary);
 background:var(--white);border-radius:0 var(--radius) var(--radius) 0;
 padding:22px 24px;box-shadow:var(--shadow-xs);
 transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.quick-card:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-3px);}
.quick-card h3{font-size:.99rem;margin:0 0 8px;}
.quick-card p{font-size:.88rem;color:var(--muted);margin:0;}
/* ---------- FAQ ---------- */
.faq-accordion .accordion-item{
 border:1px solid var(--line);border-radius:var(--radius-s);
 overflow:hidden;margin-bottom:12px;background:var(--white);box-shadow:var(--shadow-xs);
}
.faq-accordion .accordion-button{
 font-weight:800;font-size:.97rem;color:var(--ink);
 padding:18px 22px;background:var(--white);box-shadow:none;
}
.faq-accordion .accordion-button:not(.collapsed){background:var(--primary-soft);color:var(--primary-dark);}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq-accordion .accordion-button::after{background-size:1rem;width:1rem;height:1rem;}
.faq-accordion .accordion-body{padding:2px 22px 20px;font-size:.91rem;color:var(--muted);}
/* ---------- 转化区 ---------- */
.cta-panel{
 background:linear-gradient(150deg,#0b1120 0%,#152244 58%,#0b1120 100%);
 border-radius:var(--radius-l);
 padding:46px 44px;color:#cdd8ec;
 box-shadow:var(--shadow-l);
}
.cta-panel h2{color:#fff;font-size:clamp(1.4rem,2.6vw,1.9rem);margin:0 0 12px;}
.cta-panel .panel-lead{font-size:.95rem;color:#a9b7d2;margin:0 0 28px;max-width:620px;}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.field label{display:block;font-size:.83rem;font-weight:700;color:#a6b4d0;margin-bottom:8px;}
.field input,.field select,.field textarea{
 width:100%;padding:12px 16px;border-radius:var(--radius-s);
 border:1px solid rgba(255,255,255,.16);
 background:rgba(255,255,255,.06);color:#fff;font-size:.92rem;
 transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:#7f8ead;}
.field input:focus,.field select:focus,.field textarea:focus{
 outline:none;border-color:#6f92ff;background:rgba(47,91,255,.16);
 box-shadow:0 0 0 4px rgba(47,91,255,.18);
}
.field select option{color:#0c1220;}
.field.full{grid-column:1 / -1;}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:22px;}
.form-note{font-size:.8rem;color:#8b9bb9;}
.form-success{
 display:flex;align-items:center;gap:12px;
 background:rgba(0,191,165,.14);border:1px solid rgba(0,191,165,.4);
 border-radius:var(--radius-s);padding:16px 20px;color:#b6f2e6;
 font-size:.92rem;font-weight:700;margin-bottom:24px;
}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#9fb0cd;padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-about{font-size:.89rem;line-height:1.85;color:#93a3c0;margin:0;max-width:420px;}
.footer-col h4{font-size:.93rem;color:#fff;font-weight:800;margin:0 0 14px;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:9px;}
.footer-col a{color:#9fb0cd;font-size:.88rem;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
 margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
 display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
 font-size:.83rem;color:#8496b5;
}
.footer-bottom a{color:#a9c1ff;}
/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
 .metric-board{grid-template-columns:repeat(2,1fr);}
 .guard-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1024px){
 .matrix-grid{grid-template-columns:repeat(2,1fr);}
 .quick-grid{grid-template-columns:repeat(2,1fr);}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
 .section{padding:64px 0;}
}
@media (max-width:991.98px){
 .site-header .navbar{padding:10px 0;}
 .navbar-collapse{
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);padding:16px;margin-top:12px;box-shadow:var(--shadow);
 }
 .nav-center{align-items:stretch;gap:2px;margin-bottom:14px;}
 .nav-center .nav-link{width:100%;padding:.62rem .9rem;}
 .nav-actions{flex-wrap:wrap;gap:10px;}
 .hero{padding:56px 0 64px;}
 .cta-panel{padding:34px 26px;}
}
@media (max-width:767.98px){
 .metric-board{grid-template-columns:1fr;}
 .matrix-grid{grid-template-columns:1fr;}
 .quick-grid{grid-template-columns:1fr;}
 .guard-grid{grid-template-columns:1fr;}
 .form-grid{grid-template-columns:1fr;}
 .news-item{flex-direction:column;gap:10px;}
 .news-date{width:auto;padding-top:0;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .footer-bottom{flex-direction:column;gap:8px;}
 .section{padding:54px 0;}
 .sec-head{margin-bottom:30px;}
 .hero h1{font-size:1.6rem;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .hero-actions .btn{width:100%;}
 .node-panel{padding:20px 18px;}
 .cta-panel{padding:28px 20px;border-radius:var(--radius);}
 .brand-text{font-size:1.06rem;}
 .metric-value{font-size:1.8rem;}
}

/* roulang page: category2 */
/* ===================== 设计系统变量 ===================== */
:root{
 --ink:#0c1220;
 --ink-2:#1c2740;
 --muted:#697691;
 --muted-2:#8b97ae;
 --line:#e4e9f3;
 --line-2:#d5dced;
 --bg:#f4f7fd;
 --bg-2:#eef2fa;
 --white:#ffffff;
 --primary:#2f5bff;
 --primary-dark:#1d41d8;
 --primary-soft:#eaefff;
 --accent:#00bfa5;
 --accent-soft:#e0fbf5;
 --warn:#ff8b3d;
 --warn-soft:#fff2e7;
 --dark:#0b1120;
 --dark-2:#111b33;
 --dark-3:#16213c;
 --radius-xs:8px;
 --radius-s:12px;
 --radius:18px;
 --radius-l:26px;
 --shadow-xs:0 1px 3px rgba(13,24,56,.06);
 --shadow-s:0 6px 18px rgba(13,24,56,.07);
 --shadow:0 14px 36px rgba(13,24,56,.10);
 --shadow-l:0 28px 70px rgba(13,24,56,.16);
 --sp:26px;
 --maxw:1200px;
}
/* ===================== 基础重置 ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
 font-size:16px;
 line-height:1.85;
 color:var(--ink-2);
 background:var(--bg);
 letter-spacing:.01em;
}
img,svg{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--primary-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:800;line-height:1.35;letter-spacing:-.01em;}
p{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:3px solid rgba(47,91,255,.42);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;}
.numeric{font-variant-numeric:tabular-nums;}
/* ===================== 按钮 ===================== */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:999px;font-weight:700;font-size:.96rem;
 padding:.72rem 1.6rem;border:1px solid transparent;
 transition:transform .18s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
 white-space:nowrap;text-align:center;
}
.btn:active{transform:translateY(1px) scale(.99);}
.btn-primary{
 color:#fff;background:var(--primary);border-color:var(--primary);
 box-shadow:0 12px 26px rgba(47,91,255,.30);
}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;box-shadow:0 16px 34px rgba(47,91,255,.38);}
.btn-line{color:#fff;background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.28);}
.btn-line:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost{color:var(--ink);background:var(--white);border-color:var(--line-2);box-shadow:var(--shadow-xs);}
.btn-ghost:hover{color:var(--primary);border-color:#bfcdfa;background:#fbfcff;}
.btn-accent{color:#053b34;background:var(--accent);border-color:var(--accent);box-shadow:0 12px 26px rgba(0,191,165,.28);}
.btn-accent:hover{background:#00a892;border-color:#00a892;color:#03302b;}
.btn-lg{padding:.9rem 2rem;font-size:1rem;}
.btn-sm{padding:.5rem 1.05rem;font-size:.86rem;}
.w-100{width:100%;}
/* ===================== 头部导航 ===================== */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,255,255,.94);
 backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid var(--line);
}
.site-header .navbar{padding:12px 0;align-items:center;}
.brand{display:inline-flex;align-items:center;gap:11px;padding:0;margin-right:8px;}
.brand-mark{
 width:40px;height:40px;border-radius:12px;
 display:grid;place-items:center;
 background:linear-gradient(145deg,var(--primary),#5b7cff);
 color:#fff;font-size:.95rem;
 box-shadow:0 10px 22px rgba(47,91,255,.32);
}
.brand-text{font-size:1.16rem;font-weight:900;color:var(--ink);letter-spacing:-.01em;line-height:1.1;}
.brand-text em{font-style:normal;color:var(--primary);}
.brand-sub{display:block;font-size:.68rem;font-weight:600;color:var(--muted-2);letter-spacing:.18em;text-transform:uppercase;}
.nav-toggle{
 width:44px;height:44px;border-radius:12px;border:1px solid var(--line-2);
 background:var(--white);color:var(--ink);font-size:1.05rem;
 display:inline-grid;place-items:center;box-shadow:var(--shadow-xs);
}
.nav-toggle:hover{color:var(--primary);border-color:#bfcdfa;}
.nav-center{flex:1;justify-content:center;gap:4px;}
.nav-center .nav-link{
 color:var(--ink-2);font-weight:700;font-size:.94rem;
 padding:.5rem 1rem;border-radius:999px;
 transition:background-color .2s ease,color .2s ease;
}
.nav-center .nav-link:hover{background:var(--primary-soft);color:var(--primary);}
.nav-center .nav-link.active{background:var(--ink);color:#fff;}
.nav-center .nav-link.active:hover{background:var(--ink);color:#fff;}
.nav-actions{display:flex;align-items:center;gap:10px;}
/* ===================== Hero ===================== */
.hero{
 position:relative;overflow:hidden;color:#e8eefc;
 background:
 radial-gradient(1100px 520px at 12% -12%,rgba(60,102,255,.45) 0%,rgba(11,17,32,0) 62%),
 radial-gradient(760px 420px at 92% 8%,rgba(0,191,165,.24) 0%,rgba(11,17,32,0) 60%),
 linear-gradient(158deg,#0a1020 0%,#101a34 55%,#0a1020 100%);
 padding:70px 0 78px;
}
.hero::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
 background-size:64px 64px;
 mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 78%);
 -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 78%);
}
.hero .container{position:relative;z-index:2;}
.hero-inner{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:.78rem;font-weight:700;letter-spacing:.14em;
 text-transform:uppercase;color:var(--primary);
 background:var(--primary-soft);
 padding:7px 14px;border-radius:999px;margin-bottom:18px;
}
.hero .eyebrow{background:rgba(47,91,255,.2);color:#9db7ff;letter-spacing:.16em;}
.hero h1{color:#fff;font-size:clamp(1.85rem,3.3vw,2.9rem);line-height:1.28;margin-bottom:18px;}
.hero-lead{color:#b8c5e2;font-size:1.05rem;max-width:620px;margin-bottom:26px;}
.hero-points{display:grid;gap:12px;margin-bottom:30px;}
.hero-points li{display:flex;gap:12px;align-items:flex-start;color:#cbd6ee;font-size:.95rem;}
.hero-points i{
 width:26px;height:26px;flex:0 0 26px;margin-top:4px;
 border-radius:8px;display:grid;place-items:center;
 background:rgba(0,191,165,.18);color:var(--accent);font-size:.74rem;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-panel{
 background:rgba(255,255,255,.055);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius-l);
 padding:28px 26px;
 box-shadow:0 30px 70px rgba(2,7,20,.45);
 backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.panel-head{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:1.02rem;margin-bottom:6px;}
.panel-head i{color:var(--accent);}
.panel-note{color:#94a3c4;font-size:.86rem;margin-bottom:20px;}
.progress-row{display:flex;justify-content:space-between;align-items:baseline;font-size:.88rem;color:#a9b8d8;margin-bottom:10px;}
.progress-row strong{color:#fff;font-size:1.28rem;font-weight:900;}
.progress-track{height:10px;border-radius:999px;background:rgba(255,255,255,.13);overflow:hidden;margin-bottom:22px;}
.progress-fill{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent));box-shadow:0 0 18px rgba(0,191,165,.55);}
.reward-list{display:grid;gap:12px;margin-bottom:24px;}
.reward-list li{display:flex;gap:10px;font-size:.92rem;color:#c3cee6;line-height:1.7;}
.reward-list i{color:var(--warn);margin-top:5px;font-size:.8rem;}
.hero-strip{
 display:flex;flex-wrap:wrap;gap:26px;margin-top:44px;padding-top:26px;
 border-top:1px solid rgba(255,255,255,.12);
}
.hero-strip div{min-width:130px;}
.hero-strip strong{display:block;color:#fff;font-size:1.5rem;font-weight:900;line-height:1.2;}
.hero-strip span{font-size:.82rem;color:#8fa0c2;letter-spacing:.04em;}
/* ===================== 板块基础 ===================== */
.section{padding:78px 0;}
.section-tight{padding:58px 0;}
.section-soft{background:var(--bg-2);}
.section-white{background:var(--white);}
.section-dark{background:var(--dark);color:#c9d3e8;}
.section-dark h2,.section-dark h3,.section-dark h4{color:#fff;}
.section-dark p{color:#94a2be;}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-title{font-size:clamp(1.5rem,2.4vw,2.05rem);margin-bottom:14px;}
.sec-desc{color:var(--muted);font-size:1rem;}
.section-dark .sec-desc{color:#94a2be;}
.sec-head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
/* ===================== 指标看板 ===================== */
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.metric-card{
 background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 22px;box-shadow:var(--shadow-xs);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
 position:relative;overflow:hidden;
}
.metric-card::before{content:"";position:absolute;left:0;top:0;height:100%;width:4px;background:linear-gradient(180deg,var(--primary),var(--accent));opacity:.9;}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2);}
.metric-label{font-size:.84rem;color:var(--muted);letter-spacing:.06em;margin-bottom:8px;}
.metric-value{font-size:2.05rem;font-weight:900;color:var(--ink);line-height:1.15;letter-spacing:-.02em;}
.metric-value small{font-size:.95rem;font-weight:700;color:var(--muted);margin-left:2px;}
.metric-foot{margin-top:10px;font-size:.84rem;color:var(--muted-2);}
.metric-foot i{color:var(--accent);margin-right:5px;}
/* ===================== 服务矩阵 ===================== */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.matrix-card{
 background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
 padding:28px 24px;box-shadow:var(--shadow-xs);height:100%;
 display:flex;flex-direction:column;gap:12px;
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c8d5fb;}
.matrix-icon{
 width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
 background:var(--primary-soft);color:var(--primary);font-size:1.05rem;
}
.matrix-card h3{font-size:1.08rem;}
.matrix-card p{color:var(--muted);font-size:.93rem;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}
.tag{
 font-size:.76rem;font-weight:700;color:var(--primary);
 background:var(--primary-soft);border-radius:999px;padding:4px 11px;
}
.tag.accent{color:#046b5c;background:var(--accent-soft);}
.tag.warn{color:#a3500f;background:var(--warn-soft);}
/* ===================== 结果对比 ===================== */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-col{
 border-radius:var(--radius);padding:28px 26px;border:1px solid var(--line);
 background:var(--white);box-shadow:var(--shadow-xs);
}
.compare-col.highlight{
 background:linear-gradient(170deg,#0d1730,#131f3d);
 border-color:rgba(47,91,255,.45);
 color:#c9d3e8;
 box-shadow:var(--shadow);
}
.compare-col.highlight h3{color:#fff;}
.compare-col h3{font-size:1.12rem;margin-bottom:6px;}
.compare-col .col-note{font-size:.87rem;color:var(--muted-2);margin-bottom:20px;}
.compare-col.highlight .col-note{color:#8fa0c2;}
.compare-list{display:grid;gap:12px;}
.compare-list li{display:flex;gap:10px;align-items:flex-start;font-size:.93rem;line-height:1.7;}
.compare-list .ic{flex:0 0 20px;margin-top:5px;font-size:.8rem;}
.compare-col:not(.highlight) .compare-list i{color:var(--muted-2);}
.compare-col.highlight .compare-list i{color:var(--accent);}
.compare-foot{
 margin-top:14px;padding-top:14px;border-top:1px dashed rgba(255,255,255,.18);
 font-size:.86rem;color:#9fb0d0;
}
.compare-col:not(.highlight) .compare-foot{border-top:1px dashed var(--line-2);color:var(--muted-2);}
.spec-bar{
 margin-top:24px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
 background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 24px;box-shadow:var(--shadow-xs);
}
.spec-item{display:flex;gap:12px;align-items:flex-start;}
.spec-item i{color:var(--primary);font-size:1rem;margin-top:5px;}
.spec-item strong{display:block;color:var(--ink);font-size:.96rem;font-weight:800;}
.spec-item span{font-size:.86rem;color:var(--muted);}
/* ===================== 里程碑 ===================== */
.timeline{position:relative;padding-left:30px;}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--primary),rgba(47,91,255,.05));}
.timeline-item{position:relative;padding-bottom:30px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
 content:"";position:absolute;left:-30px;top:8px;width:18px;height:18px;border-radius:50%;
 background:var(--white);border:4px solid var(--primary);box-shadow:0 0 0 4px rgba(47,91,255,.12);
}
.timeline-item h3{font-size:1.04rem;margin-bottom:6px;}
.timeline-item p{color:var(--muted);font-size:.93rem;max-width:760px;}
.timeline-tag{display:inline-block;font-size:.74rem;font-weight:700;letter-spacing:.1em;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:3px 10px;margin-bottom:8px;}
/* ===================== 资讯列表 ===================== */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.news-card{
 background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 24px 22px;box-shadow:var(--shadow-xs);display:flex;flex-direction:column;gap:10px;
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c8d5fb;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:.8rem;color:var(--muted-2);}
.news-card h3{font-size:1.06rem;line-height:1.5;}
.news-card p{color:var(--muted);font-size:.92rem;}
.news-more{margin-top:auto;font-size:.88rem;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.news-more i{transition:transform .2s ease;}
.news-card:hover .news-more i{transform:translateX(4px);}
/* ===================== 平台保障 ===================== */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.guard-item{
 background:rgba(255,255,255,.05);
 border:1px solid rgba(255,255,255,.12);
 border-radius:var(--radius);padding:26px 22px;
 transition:background-color .22s ease,border-color .22s ease,transform .22s ease;
}
.guard-item:hover{background:rgba(255,255,255,.09);border-color:rgba(47,91,255,.5);transform:translateY(-4px);}
.guard-item i{font-size:1.2rem;color:var(--accent);margin-bottom:14px;display:block;}
.guard-item h3{font-size:1rem;margin-bottom:8px;}
.guard-item p{font-size:.9rem;color:#93a2c0;}
/* ===================== 快速解答 ===================== */
.quick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.quick-item{
 background:var(--white);border:1px solid var(--line);border-left:4px solid var(--primary);
 border-radius:var(--radius-s);padding:20px 22px;box-shadow:var(--shadow-xs);
}
.quick-item h3{font-size:.99rem;margin-bottom:6px;}
.quick-item p{font-size:.91rem;color:var(--muted);}
/* ===================== FAQ ===================== */
.rl-accordion{display:grid;gap:14px;}
.rl-accordion .accordion-item{
 border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
 background:var(--white);box-shadow:var(--shadow-xs);
}
.rl-accordion .accordion-button{
 width:100%;background:var(--white);color:var(--ink);font-weight:800;font-size:1rem;
 padding:20px 24px;box-shadow:none;border:0;border-radius:0;
 display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.rl-accordion .accordion-button:not(.collapsed){color:var(--primary);background:#f7f9ff;}
.rl-accordion .accordion-button:focus{box-shadow:none;outline:none;}
.rl-accordion .accordion-button::after{
 content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.78rem;
 margin-left:auto;background:none;width:auto;height:auto;color:var(--muted);
 transition:transform .22s ease,color .22s ease;
}
.rl-accordion .accordion-button:not(.collapsed)::after{content:"\f068";transform:none;color:var(--primary);}
.rl-accordion .accordion-body{padding:0 24px 22px;color:var(--muted);font-size:.94rem;}
/* ===================== 转化表单 ===================== */
.join-panel{
 background:linear-gradient(150deg,#0d1730 0%,#16224a 60%,#0d1730 100%);
 border-radius:var(--radius-l);padding:48px 44px;color:#c9d3e8;
 box-shadow:var(--shadow-l);position:relative;overflow:hidden;
}
.join-panel::after{
 content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
 background:radial-gradient(circle,rgba(47,91,255,.42),rgba(47,91,255,0) 70%);
}
.join-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;}
.join-copy h2{color:#fff;font-size:clamp(1.45rem,2.3vw,1.95rem);margin-bottom:14px;}
.join-copy p{color:#a4b2d0;font-size:.96rem;margin-bottom:22px;}
.join-points{display:grid;gap:11px;}
.join-points li{display:flex;gap:10px;font-size:.92rem;color:#c1cde6;}
.join-points i{color:var(--accent);margin-top:5px;font-size:.8rem;}
.join-form{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);padding:26px 24px;
 display:grid;gap:16px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field{display:grid;gap:7px;}
.field label{font-size:.85rem;color:#aebbdc;font-weight:700;}
.field input,.field select,.field textarea{
 width:100%;padding:.72rem .9rem;border-radius:var(--radius-xs);
 border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.07);color:#fff;
 font-size:.93rem;transition:border-color .2s ease,background-color .2s ease;
}
.field textarea{min-height:92px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:#8291b3;}
.field input:focus,.field select:focus,.field textarea:focus{
 outline:none;border-color:var(--primary);background:rgba(255,255,255,.12);
}
.field select option{color:#0c1220;}
.form-tip{font-size:.82rem;color:#8b9ab8;}
.form-msg{display:none;font-size:.88rem;color:#7ef0da;font-weight:700;}
.form-msg.show{display:block;}
/* ===================== 页脚 ===================== */
.site-footer{background:var(--dark);color:#93a1bd;padding:66px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-about{color:#8b9ab8;font-size:.92rem;line-height:1.9;max-width:420px;}
.footer-col h4{color:#fff;font-size:.98rem;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:#93a1bd;font-size:.92rem;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
 margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 font-size:.85rem;color:#7b8aa8;
}
.footer-bottom a{color:#a9b7d4;}
.footer-bottom a:hover{color:#fff;}
/* ===================== 响应式 ===================== */
@media (max-width:1024px){
 .hero-inner{grid-template-columns:1fr;gap:38px;}
 .metrics-grid{grid-template-columns:repeat(2,1fr);}
 .matrix-grid{grid-template-columns:repeat(2,1fr);}
 .guard-grid{grid-template-columns:repeat(2,1fr);}
 .spec-bar{grid-template-columns:1fr;}
 .join-inner{grid-template-columns:1fr;gap:32px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991.98px){
 .site-header .navbar{padding:10px 0;}
 .navbar-collapse{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;margin-top:12px;box-shadow:var(--shadow-s);
 }
 .nav-center{flex-direction:column;align-items:stretch;margin-top:6px;gap:2px;}
 .nav-center .nav-link{padding:.7rem 1rem;border-radius:var(--radius-xs);}
 .nav-actions{margin-top:12px;gap:10px;}
 .nav-actions .btn{flex:1;}
}
@media (max-width:768px){
 .section{padding:56px 0;}
 .section-tight{padding:44px 0;}
 .hero{padding:52px 0 58px;}
 .sec-head{margin-bottom:32px;}
 .compare-grid{grid-template-columns:1fr;}
 .news-grid{grid-template-columns:1fr;}
 .quick-grid{grid-template-columns:1fr;}
 .join-panel{padding:34px 22px;}
 .form-row{grid-template-columns:1fr;}
 .hero-strip{gap:18px;}
 .hero-strip div{min-width:104px;}
 .hero-strip strong{font-size:1.28rem;}
 .metric-value{font-size:1.75rem;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .metrics-grid{grid-template-columns:1fr;}
 .matrix-grid{grid-template-columns:1fr;}
 .guard-grid{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr;gap:28px;}
 .hero-actions .btn{width:100%;}
 .hero-panel{padding:22px 18px;}
 .btn{font-size:.92rem;}
 .brand-text{font-size:1.04rem;}
 .brand-sub{font-size:.62rem;letter-spacing:.14em;}
 .compare-col{padding:22px 18px;}
 .ne
}

/* roulang page: category1 */
:root{
 --ink:#0c1220;
 --ink-2:#1c2740;
 --muted:#697691;
 --muted-2:#8b97ae;
 --line:#e4e9f3;
 --line-2:#d5dced;
 --bg:#f4f7fd;
 --bg-2:#eef2fa;
 --white:#ffffff;
 --primary:#2f5bff;
 --primary-dark:#1d41d8;
 --primary-soft:#eaefff;
 --accent:#00bfa5;
 --accent-soft:#e0fbf5;
 --warn:#ff8b3d;
 --warn-soft:#fff2e7;
 --dark:#0b1120;
 --dark-2:#111b33;
 --dark-3:#16213c;
 --radius-xs:8px;
 --radius-s:12px;
 --radius:18px;
 --radius-l:26px;
 --shadow-xs:0 1px 3px rgba(13,24,56,.06);
 --shadow-s:0 6px 18px rgba(13,24,56,.07);
 --shadow:0 14px 36px rgba(13,24,56,.10);
 --shadow-l:0 28px 70px rgba(13,24,56,.16);
 --sp:26px;
 --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
 font-size:16px;line-height:1.85;color:var(--ink-2);background:var(--bg);letter-spacing:.01em;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--primary-dark);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
h1,h2,h3,h4,h5{color:var(--ink);font-weight:800;line-height:1.35;letter-spacing:-.01em;margin:0 0 12px;}
p{margin:0 0 14px;}
ul{list-style:none;margin:0;padding:0;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;}
/* ---------- 通用板块 ---------- */
.section{padding:74px 0;}
.section-tight{padding:56px 0;}
.section-dark{background:var(--dark);color:#c9d3e8;}
.section-dark h2,.section-dark h3,.section-dark h4{color:#fff;}
.section-soft{background:var(--bg-2);}
.section-white{background:var(--white);}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:.76rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
 color:var(--primary);background:var(--primary-soft);
 padding:7px 14px;border-radius:999px;margin-bottom:16px;
}
.section-dark .eyebrow{background:rgba(47,91,255,.18);color:#8fb0ff;}
.sec-head{max-width:780px;margin-bottom:38px;}
.sec-head h2{font-size:clamp(1.5rem,2.5vw,2.05rem);margin-bottom:12px;}
.sec-head p{color:var(--muted);margin:0;font-size:1rem;}
.section-dark .sec-head p{color:#94a2be;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.sec-head-row .sec-head{margin-bottom:0;}
/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:999px;font-weight:700;font-size:.96rem;
 padding:.72rem 1.6rem;border:1px solid transparent;
 transition:transform .18s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
 white-space:nowrap;
}
.btn:active{transform:translateY(1px) scale(.99);}
.btn:focus-visible{outline:3px solid rgba(47,91,255,.35);outline-offset:2px;}
.btn-primary{
 color:#fff;background:var(--primary);border-color:var(--primary);
 box-shadow:0 12px 26px rgba(47,91,255,.30);
}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;box-shadow:0 16px 34px rgba(47,91,255,.38);}
.btn-line{color:#fff;background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.28);}
.btn-line:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost{color:var(--ink);background:var(--white);border-color:var(--line-2);box-shadow:var(--shadow-xs);}
.btn-ghost:hover{color:var(--primary);border-color:#bfcdfa;background:#fbfcff;}
.btn-accent{color:#053b34;background:var(--accent);border-color:var(--accent);box-shadow:0 12px 26px rgba(0,191,165,.28);}
.btn-accent:hover{background:#00a892;border-color:#00a892;color:#03302b;}
.btn-lg{padding:.9rem 2rem;font-size:1rem;}
.btn-sm{padding:.5rem 1.05rem;font-size:.86rem;}
/* ---------- 头部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,255,255,.94);
 backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid var(--line);
}
.site-header .navbar{padding:12px 0;align-items:center;}
.brand{display:inline-flex;align-items:center;gap:11px;padding:0;margin-right:8px;text-decoration:none;}
.brand-mark{
 width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
 background:linear-gradient(145deg,var(--primary),#5b7cff);
 color:#fff;font-size:.95rem;box-shadow:0 10px 22px rgba(47,91,255,.32);
}
.brand-text{font-size:1.16rem;font-weight:900;color:var(--ink);letter-spacing:-.01em;line-height:1.1;}
.brand-text em{font-style:normal;color:var(--primary);}
.brand-sub{display:block;font-size:.68rem;font-weight:600;color:var(--muted-2);letter-spacing:.18em;text-transform:uppercase;}
.nav-toggle{
 width:44px;height:44px;border-radius:12px;border:1px solid var(--line-2);
 background:var(--white);color:var(--ink);font-size:1.05rem;
 display:inline-grid;place-items:center;box-shadow:var(--shadow-xs);
}
.nav-toggle:hover{color:var(--primary);border-color:#bfcdfa;}
.nav-center{flex:1;justify-content:center;gap:4px;}
.nav-center .nav-link{color:var(--ink-2);font-weight:700;font-size:.94rem;padding:.5rem 1rem;border-radius:999px;transition:background-color .2s ease,color .2s ease;}
.nav-center .nav-link:hover{background:var(--primary-soft);color:var(--primary);}
.nav-center .nav-link.active{background:var(--ink);color:#fff;}
.nav-center .nav-link.active:hover{background:var(--ink);color:#fff;}
.nav-actions{display:flex;align-items:center;gap:10px;}
/* ---------- Hero ---------- */
.hero{
 position:relative;overflow:hidden;color:#e8eefc;
 background:
  radial-gradient(1100px 520px at 12% -12%,rgba(60,102,255,.45) 0%,rgba(11,17,32,0) 62%),
  radial-gradient(760px 420px at 92% 8%,rgba(0,191,165,.24) 0%,rgba(11,17,32,0) 60%),
  linear-gradient(158deg,#0a1020 0%,#101a34 55%,#0a1020 100%);
 padding:66px 0 78px;
}
.hero::after{
 content:"";position:absolute;inset:0;
 background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
 background-size:64px 64px;pointer-events:none;
 mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 78%);
 -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 78%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;}
.crumb{display:flex;align-items:center;gap:8px;font-size:.84rem;color:#8b9cc0;margin-bottom:18px;}
.crumb a{color:#a9b8d8;}
.crumb a:hover{color:#fff;}
.crumb i{font-size:.6rem;}
.hero h1{font-size:clamp(1.85rem,3.6vw,2.72rem);color:#fff;margin-bottom:16px;letter-spacing:-.02em;}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#7fa2ff,#4fd6c2);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{font-size:1.04rem;color:#bcc9e4;max-width:620px;margin-bottom:22px;}
.hero-points{display:grid;gap:10px;margin-bottom:28px;}
.hero-points li{display:flex;gap:11px;align-items:flex-start;font-size:.95rem;color:#c6d2ea;}
.hero-points i{color:var(--accent);margin-top:6px;font-size:.82rem;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-note{margin-top:16px;font-size:.84rem;color:#7f8fb4;}
/* 仪表面板 */
.gauge-panel{
 background:rgba(255,255,255,.055);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius-l);
 padding:28px 24px 24px;
 box-shadow:0 24px 60px rgba(4,9,22,.5);
 backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.gauge-panel .panel-tag{display:flex;align-items:center;gap:8px;font-size:.78rem;color:#93a2c0;letter-spacing:.1em;text-transform:uppercase;margin-bottom:18px;}
.gauge-panel .panel-tag span.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(0,191,165,.18);}
.gauge{
 position:relative;width:170px;height:170px;border-radius:50%;margin:0 auto 20px;
 background:conic-gradient(from 180deg,var(--accent) 0 72%,#4a7dff 72% 90%,rgba(255,255,255,.13) 90% 100%);
 display:grid;place-items:center;
}
.gauge::before{content:"";position:absolute;inset:14px;border-radius:50%;background:#0e1730;}
.gauge-inner{position:relative;z-index:2;text-align:center;}
.gauge-inner strong{display:block;font-size:1.72rem;color:#fff;line-height:1.25;letter-spacing:-.02em;}
.gauge-inner span{font-size:.76rem;color:#93a2c0;letter-spacing:.08em;}
.gauge-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;text-align:center;}
.gauge-stats > div{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-s);padding:12px 6px;}
.gauge-stats b{display:block;font-size:1.06rem;color:#fff;line-height:1.4;}
.gauge-stats small{font-size:.72rem;color:#8fa0c4;}
/* ---------- 指标看板 ---------- */
.metric-strip{
 display:grid;grid-template-columns:repeat(5,1fr);
 gap:1px;background:rgba(255,255,255,.11);
 border-radius:var(--radius);overflow:hidden;border:1px solid rgba(255,255,255,.09);
}
.metric-cell{background:var(--dark-2);padding:26px 20px;transition:background-color .25s ease;}
.metric-cell:hover{background:var(--dark-3);}
.metric-cell .num{font-size:1.8rem;font-weight:900;color:#fff;line-height:1.2;letter-spacing:-.02em;}
.metric-cell .num em{font-style:normal;font-size:.9rem;color:var(--accent);margin-left:3px;font-weight:700;}
.metric-cell .lab{font-size:.84rem;color:#93a2c0;margin-top:6px;}
/* ---------- 卡片网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.pcard{
 background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px;height:100%;
 box-shadow:var(--shadow-xs);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#ccd8f8;}
.pcard h3{font-size:1.08rem;margin-bottom:10px;}
.pcard p{color:var(--muted);font-size:.94rem;margin:0;}
.card-icon{
 width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
 background:var(--primary-soft);color:var(--primary);font-size:1.05rem;margin-bottom:16px;
}
.card-icon.is-accent{background:var(--accent-soft);color:#008f7c;}
.card-icon.is-warn{background:var(--warn-soft);color:#d9660f;}
.badge-soft{
 display:inline-flex;align-items:center;gap:6px;
 font-size:.74rem;font-weight:700;padding:.3rem .72rem;border-radius:999px;
 background:var(--primary-soft);color:var(--primary);margin-bottom:12px;
}
.badge-soft.is-accent{background:var(--accent-soft);color:#00806f;}
.badge-soft.is-warn{background:var(--warn-soft);color:#c85f0d;}
/* ---------- 对比 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-col{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;}
.compare-col.is-after{border-color:#c3d0fb;box-shadow:var(--shadow);}
.compare-title{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);margin-bottom:8px;}
.compare-title i{font-size:.9rem;}
.compare-sub{font-size:.86rem;color:var(--muted-2);margin-bottom:14px;}
.compare-row{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:.94rem;}
.compare-row:last-child{border-bottom:none;}
.compare-row span{color:var(--muted);}
.compare-row b{color:var(--ink);font-weight:800;}
.compare-col.is-after .compare-row b{color:var(--primary);}
/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:30px;}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--primary),rgba(47,91,255,.06));}
.tl-item{position:relative;padding:0 0 28px 10px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
 content:"";position:absolute;left:-27px;top:9px;width:12px;height:12px;border-radius:50%;
 background:#fff;border:3px solid var(--primary);
}
.tl-item h4{font-size:1.02rem;margin-bottom:6px;}
.tl-item p{color:var(--muted);font-size:.93rem;margin:0;}
.tl-item .tl-phase{font-size:.76rem;font-weight:700;letter-spacing:.12em;color:var(--primary);text-transform:uppercase;}
/* ---------- 资讯 ---------- */
.news-card{
 background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;height:100%;box-shadow:var(--shadow-xs);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#ccd8f8;}
.news-card h3{font-size:1.02rem;margin:4px 0 10px;}
.news-card p{color:var(--muted);font-size:.92rem;margin:0 0 14px;}
.news-meta{font-size:.8rem;color:var(--muted-2);display:flex;align-items:center;gap:8px;}
/* ---------- 保障列表 ---------- */
.guard-item{display:flex;gap:14px;align-items:flex-start;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.1);}
.guard-item:last-child{border-bottom:none;}
.guard-item i{color:var(--accent);font-size:1rem;margin-top:6px;}
.guard-item h4{margin-bottom:4px;font-size:1rem;}
.guard-item p{margin:0;color:#94a2be;font-size:.9rem;}
/* ---------- 快速解答 ---------- */
.qa-card{
 background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;height:100%;box-shadow:var(--shadow-xs);
}
.qa-card .q{display:flex;gap:10px;align-items:flex-start;font-weight:800;color:var(--ink);margin-bottom:10px;font-size:.98rem;}
.qa-card .q i{color:var(--primary);margin-top:5px;font-size:.9rem;}
.qa-card p{color:var(--muted);font-size:.92rem;margin:0;}
/* ---------- FAQ ---------- */
.faq-accordion .accordion-item{
 border:1px solid var(--line);border-radius:var(--radius-s)!important;
 margin-bottom:12px;overflow:hidden;background:var(--white);box-shadow:var(--shadow-xs);
}
.faq-accordion .accordion-button{
 font-weight:700;color:var(--ink);background:var(--white);
 padding:18px 22px;font-size:1rem;line-height:1.6;box-shadow:none;
}
.faq-accordion .accordion-button:not(.collapsed){background:var(--primary-soft);color:var(--primary-dark);}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 3px rgba(47,91,255,.18);border-color:transparent;}
.faq-accordion .accordion-button::after{background-size:1rem;}
.faq-accordion .accordion-body{padding:2px 22px 20px;color:var(--muted);font-size:.94rem;}
/* ---------- 转化区 ---------- */
.cta-band{
 background:linear-gradient(140deg,#111c38 0%,#0b1120 65%,#0a1a2b 100%);
 border-radius:var(--radius-l);padding:44px 40px;color:#c9d3e8;
 box-shadow:var(--shadow-l);
 position:relative;overflow:hidden;
}
.cta-band::after{
 content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
 background:radial-gradient(circle,rgba(0,191,165,.28),rgba(0,191,165,0) 70%);
}
.join-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;}
.cta-band h2{color:#fff;font-size:clamp(1.4rem,2.3vw,1.9rem);}
.cta-band p{color:#a9b7d4;}
.cta-list{display:grid;gap:12px;margin:22px 0 0;}
.cta-list li{display:flex;gap:10px;align-items:flex-start;font-size:.94rem;color:#c3cfe8;}
.cta-list i{color:var(--accent);margin-top:6px;font-size:.8rem;}
.join-form{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);border-radius:var(--radius);padding:24px;}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:.84rem;color:#9fadca;margin-bottom:7px;font-weight:600;}
.field{
 width:100%;padding:.78rem 1rem;border-radius:var(--radius-s);
 border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
 color:#fff;font-size:.94rem;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field::placeholder{color:#8291b3;}
.field:focus{outline:none;border-color:#5b7cff;background:rgba(255,255,255,.1);box-shadow:0 0 0 3px rgba(47,91,255,.28);}
select.field option{color:#0c1220;}
.form-tip{font-size:.8rem;color:#8291b3;margin:12px 0 0;}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#9aa8c6;padding:60px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.footer-brand .brand-text{color:#fff;}
.footer-about{font-size:.9rem;color:#8c9bba;margin:0;max-width:380px;}
.footer-col h4{font-size:.96rem;color:#fff;margin-bottom:14px;}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{color:#8c9bba;font-size:.9rem;}
.footer-col a:hover{color:#fff;}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:.82rem;color:#74839f;}
.footer-bottom a{color:#9db0d6;}
.footer-bottom a:hover{color:#fff;}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px;}
 .metric-strip{grid-template-columns:repeat(3,1fr);}
 .grid-4{grid-template-columns:repeat(2,1fr);}
 .grid-3{grid-template-columns:repeat(2,1fr);}
 .footer-grid{grid-template-columns:1fr 1fr;}
 .join-grid{grid-template-columns:1fr;gap:30px;}
}
@media (max-width:991.98px){
 .navbar-collapse{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);margin-top:12px;padding:14px;box-shadow:var(--shadow);}
 .nav-center{justify-content:flex-start;gap:2px;}
 .nav-center .nav-link{padding:.6rem .9rem;display:block;}
 .nav-actions{margin-top:12px;gap:10px;}
 .nav-actions .btn{flex:1;}
}
@media (max-width:768px){
 .section{padding:56px 0;}
 .section-tight{padding:44px 0;}
 .hero{padding:48px 0 58px;}
 .metric-strip{grid-template-columns:repeat(2,1fr);}
 .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
 .compare{grid-template-columns:1fr;}
 .cta-band{padding:32px 24px;border-radius:var(--radius);}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .gauge{width:150px;height:150px;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .metric-cell{padding:20px 16px;}
 .metric-cell .num{font-size:1.5rem;}
 .gauge-stats{grid-template-columns:1fr;}
 .hero-actions .btn{width:100%;}
 .pcard,.news-card,.qa-card,.compare-col{padding:20px;}
 .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}