/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --pri:#1E6FD9;
  --pri-d:#1758B0;
  --pri-l:#EEF4FF;
  --sec:#14B8A6;
  --sec-l:#E6F7F5;
  --amber:#F2A03D;
  --amber-l:#FDF1E2;
  --bg:#F6F8FB;
  --bg-alt:#F7F9FC;
  --card:#FFFFFF;
  --tx:#0E1A2B;
  --tx2:#4A5A6E;
  --tx3:#8A98AA;
  --bd:#E6ECF4;
  --dv:#EEF2F7;
  --ok:#16A34A;
  --warn:#D97706;
  --err:#DC2626;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --r-pill:999px;
  --sh1:0 6px 18px rgba(16,52,96,.06);
  --sh2:0 14px 34px rgba(16,52,96,.12);
  --sh3:0 6px 20px rgba(16,52,96,.08);
  --cw:1200px;
}
/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;color:var(--tx);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body h1,body h2,body h3,body h4,body h5,body h6{font-family:inherit;color:var(--tx);margin:0;font-weight:700;letter-spacing:0}
body p{margin:0 0 1em;font-size:16px;line-height:1.75;color:var(--tx2)}
body ul,body ol{margin:0;padding:0;list-style:none}
body a{color:var(--pri);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,opacity .2s ease}
body a:hover{color:var(--pri-d)}
body img{max-width:100%;height:auto;display:block}
body figure{margin:0}
body button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none}
body input,body textarea,body select{font-family:inherit;font-size:15px}
body table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid rgba(30,111,217,.28);outline-offset:2px}
.container{width:100%;max-width:var(--cw);margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section.alt{background:var(--bg-alt)}
.section.white{background:#fff}
.section-head{margin-bottom:32px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:500;letter-spacing:.6px;
  color:var(--pri);background:var(--pri-l);border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:14px;
}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.sec-title{font-size:clamp(24px,2.8vw,32px);line-height:1.3;font-weight:700;margin:0}
.sec-desc{margin-top:12px;max-width:640px;font-size:16px;color:var(--tx2)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:var(--pri);white-space:nowrap}
.link-more span{display:inline-block;transition:transform .2s ease}
.link-more:hover span{transform:translateX(4px)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1.5px solid transparent;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-pri{background:var(--pri);color:#fff;box-shadow:0 6px 18px rgba(30,111,217,.22)}
.btn-pri:hover{background:var(--pri-d);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(30,111,217,.28)}
.btn-pri:active{transform:translateY(0)}
.btn-sec{background:transparent;color:var(--pri);border-color:var(--pri)}
.btn-sec:hover{background:rgba(30,111,217,.08);color:var(--pri-d);transform:translateY(-2px)}
.btn-sec:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.62)}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn:disabled,.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none}
.btn-light{background:#fff;color:var(--pri);box-shadow:0 8px 22px rgba(6,26,54,.18)}
.btn-light:hover{background:#F3F7FF;color:var(--pri-d);transform:translateY(-2px)}

/* 徽章 */
.badge{
  display:inline-block;font-size:13px;font-weight:500;line-height:1.6;
  padding:2px 12px;border-radius:var(--r-pill);
  background:var(--pri-l);color:var(--pri-d);
}
.badge-soft{background:var(--sec-l);color:#0E8377}
.badge-amber{background:var(--amber-l);color:#9A5B0C}

/* ============ 顶部工具条 ============ */
.topbar{height:36px;background:#F1F5F9;border-bottom:1px solid var(--bd);font-size:13px;color:var(--tx2)}
.topbar-in{height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-note{display:inline-flex;align-items:center;gap:8px;color:var(--tx2)}
.topbar-note::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--sec);display:inline-block}
.topbar-links{display:flex;align-items:center;gap:14px}
.topbar-links a{color:var(--tx2);font-size:13px}
.topbar-links a:hover{color:var(--pri)}
.topbar-links .sep{width:1px;height:12px;background:#D5DEEA;display:inline-block}
.topbar-links .lang{color:var(--tx3)}

/* ============ 主导航 ============ */
.mainnav{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--bd);
  transition:box-shadow .25s ease;
}
.mainnav.scrolled{box-shadow:var(--sh3)}
.nav-in{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative}
.brand{
  font-size:19px;font-weight:700;color:var(--tx);letter-spacing:.2px;
  display:inline-flex;align-items:center;gap:10px;white-space:nowrap;
}
.brand::before{
  content:"";width:26px;height:26px;border-radius:8px;
  background:linear-gradient(135deg,var(--pri) 0%,var(--sec) 100%);
  box-shadow:0 4px 12px rgba(30,111,217,.28);flex:0 0 auto;
}
.brand:hover{color:var(--pri)}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.nav-links > li{position:relative}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  height:72px;padding:0 14px;font-size:15px;font-weight:500;color:var(--tx2);
  position:relative;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:18px;height:2px;
  background:var(--pri);border-radius:2px;transform:scaleX(0);transform-origin:center;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--pri)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--tx);font-weight:600}
.caret{width:6px;height:6px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.7}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}

/* Mega 面板 */
.mega{
  position:absolute;top:calc(100% - 6px);right:-60px;width:840px;max-width:88vw;
  background:#fff;border:1px solid var(--bd);border-radius:14px;
  box-shadow:0 18px 48px rgba(16,52,96,.12);
  padding:26px;display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  z-index:70;
}
.has-mega:hover .mega,.has-mega:focus-within .mega,.has-mega.mega-open .mega{opacity:1;visibility:visible;transform:translateY(0)}
.has-mega:hover > .nav-link,.has-mega:focus-within > .nav-link,.has-mega.mega-open > .nav-link{color:var(--pri);background:rgba(30,111,217,.08)}
.has-mega:hover > .nav-link::after,.has-mega:focus-within > .nav-link::after{transform:scaleX(1)}
.mega-title{font-size:13px;font-weight:600;color:var(--tx3);letter-spacing:.5px;margin:0 0 12px}
.mega-list li a{
  display:flex;align-items:center;gap:10px;min-height:44px;padding:0 10px;margin:0 -10px;
  font-size:14px;color:var(--tx2);border-radius:10px;
}
.mega-list li a:hover{background:var(--pri-l);color:var(--pri-d)}
.mega-list li a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--sec);flex:0 0 auto}
.mega-post{display:block;padding:10px;margin:0 -10px;border-radius:10px;transition:background-color .2s ease}
.mega-post:hover{background:var(--bg-alt)}
.mega-post h4{font-size:14px;font-weight:600;color:var(--tx);margin:0 0 4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mega-post time{font-size:12px;color:var(--tx3)}
.mega-card{
  display:block;border:1px solid var(--bd);border-radius:12px;overflow:hidden;background:#fff;height:100%;
}
.mega-card img{width:100%;height:112px;object-fit:cover;background:#EAF0F8}
.mega-card-body{padding:14px}
.mega-card-body strong{display:block;font-size:14px;color:var(--tx);font-weight:600;margin-bottom:6px}
.mega-card-body span{font-size:13px;color:var(--pri)}

/* 汉堡 */
.burger{display:none;width:44px;height:44px;border-radius:10px;position:relative;z-index:95}
.burger span{display:block;width:20px;height:2px;background:var(--tx);border-radius:2px;margin:4px auto;transition:transform .2s ease,opacity .2s ease}
body.nav-open .burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.nav-open .burger span:nth-child(2){opacity:0}
body.nav-open .burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ Hero ============ */
.hero{
  position:relative;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  background-color:#EAF0F8;
  padding:84px 0 88px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:rgba(246,248,251,.86);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(30,111,217,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(30,111,217,.05) 1px,transparent 1px);
  background-size:48px 48px;
  pointer-events:none;
}
.hero-in{
  position:relative;z-index:2;
  display:grid;grid-template-columns:6fr 4fr;gap:56px;align-items:center;
  min-height:520px;
}
.hero-tag{
  display:inline-block;font-size:13px;font-weight:500;color:var(--pri-d);
  background:rgba(30,111,217,.1);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:18px;
}
.hero h1{
  font-size:clamp(32px,4.4vw,48px);line-height:1.2;font-weight:700;letter-spacing:0;
  margin:0 0 20px;color:var(--tx);
}
.hero h1 em{font-style:normal;color:var(--pri)}
.hero-sub{font-size:17px;line-height:1.8;color:var(--tx2);max-width:560px;margin:0 0 30px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;padding-top:26px;border-top:1px solid var(--bd)}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats strong{
  font-size:28px;font-weight:700;color:var(--pri);line-height:1.2;
  font-variant-numeric:tabular-nums;letter-spacing:.2px;
}
.hero-stats span{font-size:13px;color:var(--tx3);margin-top:4px}
.hero-visual{position:relative}
.hero-card{
  background:#fff;border:1px solid var(--bd);border-radius:var(--r-lg);
  box-shadow:var(--sh2);overflow:hidden;transform:translateY(-8px);
  transition:transform .3s ease,box-shadow .3s ease;
}
.hero-card:hover{transform:translateY(-14px);box-shadow:0 22px 48px rgba(16,52,96,.16)}
.hero-card img{width:100%;aspect-ratio:16/11;object-fit:cover;background:#EAF0F8}
.hero-card figcaption{
  display:flex;align-items:center;gap:8px;
  padding:14px 18px;font-size:13px;color:var(--tx2);
  border-top:1px solid var(--dv);background:#fff;
}
.hero-card figcaption .dot{width:8px;height:8px;border-radius:50%;background:var(--sec);flex:0 0 auto}

/* ============ 信任条 ============ */
.trust{padding:32px 0;background:#fff;border-bottom:1px solid var(--dv)}
.trust-title{font-size:13px;color:var(--tx3);text-align:center;margin:0 0 18px;letter-spacing:.4px}
.trust-list{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
}
.trust-list li{
  font-size:17px;font-weight:600;color:#8A98AA;letter-spacing:.6px;
  filter:grayscale(1);opacity:.85;transition:opacity .2s ease,color .2s ease;
  min-height:44px;display:flex;align-items:center;
}
.trust-list li:hover{opacity:1;color:var(--tx2)}

/* ============ Bento 功能分组 ============ */
.bento{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.bento-side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.bento-card{
  background:var(--card);border:1px solid var(--bd);border-radius:var(--r-card);
  box-shadow:var(--sh1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.bento-card:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.bento-card img{width:100%;object-fit:cover;background:#EAF0F8;transition:transform .3s ease}
.bento-card:hover img{transform:scale(1.03)}
.bento-lead img{aspect-ratio:16/9}
.bento-body{padding:26px 28px 28px;display:flex;flex-direction:column;flex:1 1 auto}
.bento-num{
  font-size:13px;font-weight:700;color:var(--pri);letter-spacing:1px;
  font-variant-numeric:tabular-nums;margin-bottom:10px;
}
.bento-body h3{font-size:20px;line-height:1.5;font-weight:600;margin:0 0 10px}
.bento-body p{font-size:15px;line-height:1.75;color:var(--tx2);margin:0 0 18px}
.bento-body .link-more{margin-top:auto}
.bento-mini{flex-direction:row;align-items:stretch}
.bento-mini img{width:38%;min-width:150px;aspect-ratio:1/1;flex:0 0 auto}
.bento-mini .bento-body{padding:22px 24px}
.bento-mini .bento-body h3{font-size:18px}

/* ============ 使用场景 ============ */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:64px}
.scene:last-child{margin-bottom:0}
.scene.rev .scene-media{order:2}
.scene-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;
  border:1px solid var(--bd);box-shadow:var(--sh1);background:#EAF0F8;
}
.scene h3{font-size:22px;line-height:1.45;font-weight:600;margin:14px 0 14px}
.scene p{font-size:15.5px;color:var(--tx2);margin:0 0 20px}
.scene-points li{
  display:flex;gap:12px;align-items:flex-start;
  padding:11px 0;font-size:15px;color:var(--tx);border-bottom:1px dashed var(--dv);
}
.scene-points li:last-child{border-bottom:0}
.scene-points .pt-ic{
  width:22px;height:22px;border-radius:7px;background:var(--sec-l);color:#0E8377;
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;margin-top:3px;
}

/* ============ 成功案例 ============ */
.case-main{
  display:grid;grid-template-columns:5fr 7fr;gap:0;
  background:#fff;border:1px solid var(--bd);border-radius:var(--r-lg);
  box-shadow:var(--sh1);overflow:hidden;margin-bottom:24px;
}
.case-main-metrics{background:var(--bg-alt);padding:36px;display:flex;flex-direction:column;gap:26px;border-right:1px solid var(--dv)}
.case-main-metrics .m strong{
  display:block;font-size:34px;font-weight:700;color:var(--pri);line-height:1.15;
  font-variant-numeric:tabular-nums;letter-spacing:.2px;
}
.case-main-metrics .m span{font-size:13.5px;color:var(--tx3);display:block;margin-top:4px}
.case-main-quote{padding:36px;display:flex;flex-direction:column;justify-content:center}
.case-main-quote blockquote{
  margin:0 0 22px;font-size:19px;line-height:1.75;color:var(--tx);font-weight:500;
  padding-left:18px;border-left:3px solid var(--pri);
}
.case-main-quote .q-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.case-main-quote .q-meta span{font-size:13.5px;color:var(--tx3)}
.case-mini{
  background:#fff;border:1px solid var(--bd);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh1);height:100%;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.case-mini:hover{transform:translateY(-4px);box-shadow:var(--sh2);background:var(--bg-alt)}
.case-mini h4{font-size:16.5px;font-weight:600;line-height:1.6;margin:12px 0 8px;color:var(--tx)}
.case-mini p{font-size:14px;color:var(--tx2);margin:0}

/* ============ 价格 ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.price-card{
  background:#fff;border:1px solid var(--bd);border-radius:var(--r-card);
  padding:32px 28px;box-shadow:var(--sh1);display:flex;flex-direction:column;height:100%;
  transition:transform .2s ease,box-shadow .2s ease;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.price-card.featured{
  border:1.5px solid var(--pri);box-shadow:0 18px 40px rgba(30,111,217,.16);
  transform:translateY(-8px);position:relative;margin-top:-12px;
}
.price-card.featured:hover{transform:translateY(-12px)}
.price-tag{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:var(--amber);color:#5A3406;font-size:12.5px;font-weight:600;
  padding:4px 16px;border-radius:var(--r-pill);white-space:nowrap;
  box-shadow:0 6px 14px rgba(242,160,61,.35);
}
.price-name{font-size:17px;font-weight:600;color:var(--tx);margin:0 0 6px}
.price-desc{font-size:13.5px;color:var(--tx3);margin:0 0 20px}
.price-num{display:flex;align-items:baseline;gap:6px;margin-bottom:22px}
.price-num strong{
  font-size:38px;font-weight:700;color:var(--tx);line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:.2px;
}
.price-num span{font-size:13.5px;color:var(--tx3)}
.price-feats{list-style:none;padding:0;margin:0 0 26px;border-top:1px solid var(--dv);padding-top:20px}
.price-feats li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--tx2);padding:7px 0}
.price-feats .tick{
  width:18px;height:18px;border-radius:50%;background:var(--pri-l);color:var(--pri);
  font-size:11px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;margin-top:3px;
}
.price-card .btn{margin-top:auto}
.price-note{margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:var(--tx3)}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.news-lead{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--bd);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh1);color:inherit;
  transition:transform .2s ease,box-shadow .2s ease;
}
.news-lead:hover{transform:translateY(-4px);box-shadow:var(--sh2);color:inherit}
.news-lead-media img{width:100%;aspect-ratio:16/8.5;object-fit:cover;background:#EAF0F8}
.news-lead-body{padding:26px 28px 28px}
.news-lead-body h3{font-size:22px;line-height:1.5;font-weight:600;margin:14px 0 10px;color:var(--tx)}
.news-lead-body p{font-size:15px;color:var(--tx2);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-date{font-size:13.5px;color:var(--tx3)}
.news-side{display:flex;flex-direction:column;gap:16px}
.list-card{
  display:flex;gap:16px;background:#fff;border:1px solid var(--bd);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--sh1);color:inherit;flex:1 1 auto;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.list-card:hover{background:var(--bg-alt);transform:translateY(-3px);box-shadow:var(--sh2);color:inherit}
.list-thumb{flex:0 0 96px}
.list-thumb img{width:96px;height:96px;object-fit:cover;border-radius:10px;background:#EAF0F8}
.list-body{min-width:0;display:flex;flex-direction:column}
.list-body h3{
  font-size:16.5px;font-weight:600;line-height:1.5;margin:0 0 6px;color:var(--tx);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.list-body p{
  font-size:13.5px;color:var(--tx2);margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.list-meta{display:flex;align-items:center;gap:10px;margin-top:auto}
.list-date{font-size:12.5px;color:var(--tx3)}
.empty-state{
  text-align:center;padding:56px 24px;background:#fff;border:1px dashed var(--bd);
  border-radius:var(--r-card);box-shadow:var(--sh1);
}
.empty-state svg{width:52px;height:52px;margin:0 auto 16px;display:block;stroke:rgba(30,111,217,.4);fill:none;stroke-width:1.5}
.empty-state p{font-size:15px;color:var(--tx2);margin:0 0 18px}

/* ============ FAQ ============ */
.faq{max-width:880px;margin:0 auto;border-top:1px solid var(--dv)}
.faq-item{border-bottom:1px solid var(--dv);background:transparent}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:60px;padding:18px 4px;text-align:left;
  font-size:16px;font-weight:600;color:var(--tx);line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--pri)}
.faq-ic{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1.5px solid var(--bd);
  display:inline-flex;align-items:center;justify-content:center;color:var(--pri);
  font-size:16px;font-weight:400;line-height:1;transition:transform .25s ease,background-color .2s ease,border-color .2s ease;
}
.faq-item.open .faq-q{color:var(--pri)}
.faq-item.open .faq-ic{transform:rotate(135deg);background:var(--pri-l);border-color:var(--pri)}
.faq-a{max-height:0;overflow:hidden;background:var(--bg-alt);border-radius:10px;transition:max-height .28s ease,padding .28s ease}
.faq-a p{font-size:15px;color:var(--tx2);margin:0}
.faq-item.open .faq-a{padding:18px 22px}

/* ============ CTA 带 ============ */
.cta-band{
  background:linear-gradient(120deg,#1E6FD9 0%,#1A5FB8 100%);
  border-radius:var(--r-lg);
  padding:48px 52px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 20px 44px rgba(16,52,96,.18);
}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);color:#fff;line-height:1.4;margin:0 0 8px}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;margin:0}

/* ============ 页脚 ============ */
.site-footer{background:#0B1B2E;color:rgba(255,255,255,.7);padding:64px 0 0;margin-top:96px}
.footer-top{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{font-size:19px;font-weight:700;color:#fff;display:inline-flex;align-items:center;gap:10px}
.footer-brand::before{content:"";width:24px;height:24px;border-radius:7px;background:linear-gradient(135deg,#1E6FD9,#14B8A6)}
.footer-slogan{font-size:13px;color:rgba(255,255,255,.55)}
.footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px;padding:44px 0 40px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin:0 0 16px;letter-spacing:.3px}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:0 0 10px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7)}
.footer-col a:hover{color:#fff;text-decoration:underline}
.subscribe{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.subscribe input{
  flex:1 1 160px;height:44px;padding:0 14px;border-radius:10px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.subscribe input::placeholder{color:rgba(255,255,255,.4)}
.subscribe input:focus{outline:none;border-color:var(--pri);box-shadow:0 0 0 3px rgba(30,111,217,.3)}
.subscribe button{height:44px;padding:0 20px;border-radius:10px;background:var(--pri);color:#fff;font-size:14px;font-weight:600;transition:background-color .2s ease,transform .2s ease}
.subscribe button:hover{background:var(--pri-d);transform:translateY(-1px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1279.98px){
  .container{max-width:1120px}
  .mega{right:-20px;width:780px}
}
@media (max-width:1023.98px){
  .section{padding:72px 0}
  .topbar{display:none}
  .nav-in{height:64px}
  .nav-links{
    position:fixed;left:0;right:0;top:0;bottom:0;z-index:90;
    background:#fff;flex-direction:column;align-items:stretch;justify-content:flex-start;
    padding:76px 20px 32px;gap:0;overflow-y:auto;
    transform:translateY(-10px);opacity:0;visibility:hidden;
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  }
  body.nav-open .nav-links{transform:none;opacity:1;visibility:visible}
  body.nav-open{overflow:hidden}
  .nav-links > li{border-bottom:1px solid var(--dv)}
  .nav-link{height:56px;width:100%;justify-content:space-between;padding:0 4px;font-size:16px}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--pri)}
  .mega{
    position:static;width:auto;max-width:none;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border:0;border-radius:0;padding:0 0 18px;
    grid-template-columns:1fr;gap:18px;display:none;
  }
  .has-mega.mega-open .mega{display:grid}
  .burger{display:block}
  .nav-right .btn-pri{display:none}
  .hero{padding:56px 0 64px}
  .hero-in{grid-template-columns:1fr;gap:40px;min-height:0}
  .hero-stats{gap:28px}
  .bento{grid-template-columns:1fr}
  .bento-side{grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .bento-mini{flex-direction:column}
  .bento-mini img{width:100%;aspect-ratio:16/9}
  .scene{grid-template-columns:1fr;gap:28px;margin-bottom:56px}
  .scene.rev .scene-media{order:0}
  .case-main{grid-template-columns:1fr}
  .case-main-metrics{flex-direction:row;justify-content:space-between;border-right:0;border-bottom:1px solid var(--dv);padding:26px}
  .price-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto}
  .price-card.featured{transform:none;margin-top:0}
  .news-grid{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 30px}
}
@media (max-width:767.98px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .hero-stats{gap:22px}
  .hero-stats strong{font-size:24px}
  .trust-list{justify-content:center;gap:16px 24px}
  .bento-side{grid-template-columns:1fr}
  .case-main-metrics{flex-direction:column;gap:18px}
  .footer-cols{grid-template-columns:1fr}
  .footer-top{flex-direction:column;align-items:flex-start;gap:8px}
  .list-card{flex-direction:column}
  .list-thumb,.list-thumb img{width:100%;flex:none;height:160px}
  .faq-q{font-size:15.5px}
  .cta-band{padding:30px 22px}
}
@media (max-width:519.98px){
  .hero-btns{flex-direction:column;align-items:stretch}
  .hero-btns .btn{width:100%}
  .sec-head-row{align-items:flex-start}
  .news-lead-body{padding:20px}
}

/* roulang page: category1 */
:root{
  --primary:#1E6FD9;
  --primary-dark:#1758B0;
  --primary-soft:#EEF4FF;
  --teal:#14B8A6;
  --teal-soft:#E6F8F5;
  --amber:#F2A03D;
  --amber-soft:#FEF3E4;
  --bg:#F6F8FB;
  --bg-alt:#F7F9FC;
  --card:#FFFFFF;
  --ink:#0E1A2B;
  --ink-2:#4A5A6E;
  --ink-3:#8A98AA;
  --border:#E6ECF4;
  --divider:#EEF2F7;
  --dark:#0B1B2E;
  --ok:#16A34A;
  --warn:#D97706;
  --err:#DC2626;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --sh-1:0 6px 18px rgba(16,52,96,.06);
  --sh-2:0 14px 34px rgba(16,52,96,.12);
  --sh-nav:0 6px 20px rgba(16,52,96,.08);
  --sec:96px;
  --font:-apple-system,"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;}
a:hover{color:var(--primary-dark);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(30,111,217,.28);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 24px;}}
@media (min-width:1280px){.container{max-width:1280px;padding:0 32px;}}

/* ============ 顶部工具条 ============ */
.site-header{position:relative;z-index:110;}
.topbar{
  background:#F1F5F9;
  border-bottom:1px solid var(--border);
  font-size:13px;
  color:var(--ink-2);
  height:36px;
  display:flex;
  align-items:center;
}
.topbar-in{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-links{display:flex;align-items:center;gap:12px;white-space:nowrap;}
.topbar-links a{color:var(--ink-2);}
.topbar-links a:hover{color:var(--primary);}
.topbar-links .sep{width:1px;height:12px;background:#CBD5E1;display:inline-block;}
.topbar-links .lang{color:var(--ink-3);}
@media (max-width:1023px){.topbar{display:none;}}

/* ============ 主导航 ============ */
.mainnav{
  position:sticky;
  top:0;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
  z-index:110;
}
.mainnav.is-stuck{box-shadow:var(--sh-nav);}
.nav-in{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:72px;
}
.brand{
  font-size:20px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.2px;
  white-space:nowrap;
  display:flex;
  align-items:center;
  gap:10px;
}
.brand::before{
  content:"";
  width:10px;height:10px;
  border-radius:3px;
  background:linear-gradient(135deg,var(--primary),var(--teal));
  display:inline-block;
}
.brand:hover{color:var(--primary);}

.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links > li{position:relative;}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:44px;
  padding:0 14px;
  border-radius:8px;
  font-size:15px;
  color:var(--ink-2);
  font-weight:500;
}
.nav-link:hover{color:var(--primary);background:rgba(30,111,217,.06);}
.nav-link.active{color:var(--primary);font-weight:600;background:rgba(30,111,217,.08);}
.caret{
  width:6px;height:6px;
  border-right:1.6px solid currentColor;
  border-bottom:1.6px solid currentColor;
  transform:rotate(45deg) translateY(-2px);
  display:inline-block;
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  background:var(--primary);
  color:#fff;
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  box-shadow:var(--sh-1);
}
.nav-cta:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--border);
  border-radius:10px;
  background:#fff;
  align-items:center;
  justify-content:center;
  color:var(--ink);
  font-size:18px;
  cursor:pointer;
}

/* Mega 面板 */
.mega{
  position:absolute;
  top:calc(100% + 14px);
  left:50%;
  transform:translateX(-50%) translateY(8px);
  width:820px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:0 18px 48px rgba(16,52,96,.12);
  padding:24px;
  display:grid;
  grid-template-columns:1fr 1fr 1.1fr;
  gap:24px;
  opacity:0;
  visibility:hidden;
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  z-index:120;
}
.has-mega:hover .mega,
.has-mega:focus-within .mega,
.has-mega.is-open .mega{
  opacity:1;
  visibility:visible;
  transform:translateX(-50%) translateY(0);
}
.has-mega:hover > .nav-link,
.has-mega:focus-within > .nav-link{
  color:var(--primary);
  background:rgba(30,111,217,.08);
}
.mega-title{
  font-size:13px;
  font-weight:600;
  color:var(--ink-3);
  letter-spacing:.4px;
  margin-bottom:12px;
}
.mega-list li + li{margin-top:2px;}
.mega-list a{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 10px;
  border-radius:8px;
  font-size:14px;
  color:var(--ink-2);
}
.mega-list a::before{content:"\f0da";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;color:var(--teal);}
.mega-list a:hover{background:var(--bg-alt);color:var(--primary);}
.mega-post{
  display:block;
  padding:10px;
  border-radius:10px;
  color:var(--ink);
}
.mega-post + .mega-post{margin-top:2px;}
.mega-post:hover{background:var(--bg-alt);}
.mega-post h4{
  font-size:14px;
  font-weight:600;
  line-height:1.5;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.mega-post time{font-size:12px;color:var(--ink-3);}
.mega-card{
  border:1px solid var(--border);
  border-radius:12px;
  overflow:hidden;
  background:var(--bg-alt);
}
.mega-card img{width:100%;height:120px;object-fit:cover;background:#EAF0F8;}
.mega-card-body{padding:12px 14px 16px;}
.mega-card-body p{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.mega-card-body a{font-size:13px;color:var(--primary);}
.mega-card-body a:hover::after{transform:translateX(4px);}
.mega-card-body a::after{content:"→";display:inline-block;margin-left:4px;transition:transform .2s ease;}

/* ============ 移动端抽屉 ============ */
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;}
  .nav-cta.desktop-only{display:none;}
  .nav-links{
    position:fixed;
    top:0;left:0;right:0;bottom:0;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:20px 20px 60px;
    overflow-y:auto;
    transform:translateX(-100%);
    transition:transform .25s ease;
    z-index:130;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links > li{border-bottom:1px solid var(--border);}
  .nav-link{
    width:100%;
    height:56px;
    padding:0 4px;
    justify-content:space-between;
    border-radius:0;
    font-size:16px;
    background:transparent;
  }
  .nav-link:hover,.nav-link.active{background:transparent;color:var(--primary);}
  .drawer-close{
    display:flex;
    justify-content:flex-end;
    border-bottom:1px solid var(--border);
    padding-bottom:12px;
    margin-bottom:8px;
  }
  .drawer-close button{
    width:44px;height:44px;
    border:1px solid var(--border);
    background:#fff;
    border-radius:10px;
    font-size:18px;
    cursor:pointer;
    color:var(--ink);
  }
  .mega{
    position:static;
    width:auto;
    transform:none;
    opacity:1;
    visibility:visible;
    box-shadow:none;
    border:0;
    border-radius:0;
    padding:0 0 16px;
    display:none;
    grid-template-columns:1fr;
    gap:16px;
  }
  .has-mega.is-open .mega{display:grid;}
  .mega-card{display:none;}
}
.drawer-close{display:none;}
@media (max-width:1023px){.drawer-close{display:flex;}}

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  border:1.5px solid transparent;
  white-space:nowrap;
  transition:all .2s ease;
  min-width:44px;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:rgba(30,111,217,.08);color:var(--primary-dark);border-color:var(--primary-dark);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
}
.link-more::after{content:"→";transition:transform .2s ease;}
.link-more:hover::after{transform:translateX(4px);}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:13px;
  font-weight:500;
  background:rgba(30,111,217,.12);
  color:var(--primary-dark);
  line-height:1.6;
}
.badge-teal{background:rgba(20,184,166,.14);color:#0E7C70;}
.badge-amber{background:rgba(242,160,61,.18);color:#9A5B0C;}

/* ============ 分类 Hero ============ */
.page-hero{
  background:var(--bg-alt);
  border-bottom:1px solid var(--border);
  padding:56px 0 64px;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:24px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sp{color:#C3CEDD;}
.breadcrumb .cur{color:var(--ink-2);}
.hero-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:40px;
  align-items:center;
}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:7fr 5fr;gap:56px;}
}
.page-hero h1{
  font-size:clamp(28px,3.6vw,40px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:0;
  margin-bottom:20px;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--primary);
}
.hero-lead{
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:640px;
}
.hero-pills{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:40px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--border);
  background:#fff;
  font-size:14px;
  color:var(--ink-2);
}
.pill:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}
.hero-visual{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.hero-visual img{width:100%;height:260px;object-fit:cover;background:#EAF0F8;}
@media (min-width:1024px){.hero-visual img{height:300px;}}
.hero-visual-bar{
  display:grid;
  grid-template-columns:1fr 1fr;
  border-top:1px solid var(--divider);
}
.hero-visual-bar > div{
  padding:16px 18px;
}
.hero-visual-bar > div + div{border-left:1px solid var(--divider);}
.hero-visual-bar strong{
  display:block;
  font-size:24px;
  font-weight:700;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  line-height:1.3;
}
.hero-visual-bar span{font-size:13px;color:var(--ink-3);}

/* ============ 板块通用 ============ */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:72px 0;}}
@media (min-width:1024px){.section{padding:var(--sec) 0;}}
.section-alt{background:#fff;}
.section-head{max-width:720px;margin-bottom:32px;}
.section-head h2{
  font-size:clamp(24px,2.8vw,32px);
  line-height:1.3;
  font-weight:700;
  margin-bottom:14px;
  letter-spacing:0;
}
.section-head p{color:var(--ink-2);font-size:16px;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  color:var(--teal);
  letter-spacing:1px;
  margin-bottom:12px;
}

/* 概览：左文右图 */
.overview-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  align-items:center;
}
@media (min-width:1024px){
  .overview-grid{grid-template-columns:5fr 7fr;gap:56px;}
}
.overview-media img{
  width:100%;
  height:280px;
  object-fit:cover;
  border-radius:16px;
  background:#EAF0F8;
  border:1px solid var(--border);
}
@media (min-width:768px){.overview-media img{height:360px;}}
.point-list{margin:24px 0 28px;}
.point-list li{
  display:flex;
  gap:14px;
  padding:14px 0;
  border-bottom:1px dashed var(--divider);
  font-size:15px;
  color:var(--ink-2);
}
.point-list li:last-child{border-bottom:0;}
.point-list i{
  flex:0 0 32px;
  width:32px;height:32px;
  border-radius:9px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--primary-soft);
  color:var(--primary);
  font-size:14px;
}
.point-list strong{color:var(--ink);font-weight:600;}

/* 数据条 */
.stat-band{
  margin-top:40px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  display:grid;
  grid-template-columns:1fr;
}
@media (min-width:768px){.stat-band{grid-template-columns:repeat(3,1fr);}}
.stat-band > div{
  padding:26px 24px;
  text-align:center;
}
.stat-band > div + div{border-top:1px solid var(--divider);}
@media (min-width:768px){
  .stat-band > div + div{border-top:0;border-left:1px solid var(--divider);}
}
.stat-band strong{
  display:block;
  font-size:32px;
  font-weight:700;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.stat-band span{font-size:14px;color:var(--ink-3);}

/* 能力清单 */
.cap-grid{
  display:grid;
  grid-template-columns:1fr;
  border-top:1px solid var(--divider);
}
@media (min-width:768px){
  .cap-grid{grid-template-columns:1fr 1fr;}
  .cap-item:nth-child(odd){border-right:1px solid var(--divider);padding-right:32px;}
  .cap-item:nth-child(even){padding-left:32px;}
}
.cap-item{
  border-bottom:1px solid var(--divider);
  padding:28px 0;
  display:flex;
  gap:18px;
  align-items:flex-start;
}
.cap-no{
  flex:0 0 auto;
  font-size:28px;
  font-weight:700;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
  letter-spacing:.2px;
  opacity:.9;
}
.cap-body h3{font-size:20px;font-weight:600;line-height:1.5;margin-bottom:8px;}
.cap-body p{font-size:14px;color:var(--ink-2);margin-bottom:12px;}

/* 流程时间轴 */
.timeline{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  position:relative;
}
@media (min-width:768px){
  .timeline{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (min-width:1024px){
  .timeline{grid-template-columns:repeat(4,1fr);gap:24px;}
  .timeline::before{
    content:"";
    position:absolute;
    left:14px;right:14px;top:13px;
    height:2px;
    background:linear-gradient(90deg,var(--primary) 0%,var(--teal) 100%);
    opacity:.25;
  }
}
.step{position:relative;padding-left:0;}
.step-dot{
  width:28px;height:28px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--primary);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:700;
  margin-bottom:16px;
  position:relative;
  z-index:1;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.step p{font-size:14px;color:var(--ink-2);}
@media (max-width:1023px){
  .timeline{padding-left:22px;}
  .timeline::before{
    content:"";
    position:absolute;
    left:4px;top:8px;bottom:8px;
    width:2px;
    background:var(--divider);
  }
  .step{padding-left:20px;}
  .step-dot{position:absolute;left:-32px;top:0;margin-bottom:0;}
}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.faq-item + .faq-item{margin-top:14px;}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-icon{
  position:relative;
  flex:0 0 18px;
  width:18px;height:18px;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:2px;
  transition:transform .2s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item[open] summary{color:var(--primary);}
.faq-item[open] .faq-icon::after{transform:scaleY(0);}
.faq-body{
  background:var(--bg-alt);
  border-top:1px solid var(--divider);
  padding:18px 22px 22px;
  font-size:15px;
  color:var(--ink-2);
}

/* CTA 带 */
.cta-section{padding:0 0 56px;}
@media (min-width:1024px){.cta-section{padding-bottom:96px;}}
.cta-band{
  background:var(--primary);
  border-radius:var(--r-lg);
  padding:36px 28px;
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
  align-items:center;
  box-shadow:var(--sh-2);
}
@media (min-width:1024px){
  .cta-band{grid-template-columns:1fr auto;padding:44px 48px;gap:40px;}
}
.cta-band h2{
  color:#fff;
  font-size:clamp(22px,2.4vw,28px);
  font-weight:700;
  line-height:1.35;
  margin-bottom:10px;
}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* 相关资讯细链接 */
.news-link-row{
  margin-top:28px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  border-top:1px solid var(--divider);
}
.news-link-row p{font-size:14px;color:var(--ink-3);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.7);
  padding:56px 0 28px;
  margin-top:0;
}
.footer-top{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:14px;
  padding-bottom:28px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  color:#fff;
  font-size:20px;
  font-weight:700;
  letter-spacing:.2px;
}
.footer-slogan{font-size:14px;color:rgba(255,255,255,.6);}
.footer-cols{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  padding:36px 0;
}
@media (min-width:768px){.footer-cols{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-cols{grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px;}}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);}
.footer-col ul li + li{margin-top:10px;}
.footer-col a{color:rgba(255,255,255,.7);font-size:14px;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.subscribe{display:flex;gap:10px;margin-top:6px;flex-wrap:wrap;}
.subscribe input{
  flex:1 1 160px;
  height:44px;
  padding:0 14px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:14px;
  font-family:inherit;
}
.subscribe input::placeholder{color:rgba(255,255,255,.45);}
.subscribe input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(30,111,217,.35);
  background:rgba(255,255,255,.1);
}
.subscribe button{
  height:44px;
  padding:0 22px;
  border:0;
  border-radius:var(--r-btn);
  background:var(--primary);
  color:#fff;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.subscribe button:hover{background:var(--primary-dark);transform:translateY(-1px);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* roulang page: article */
:root{
  --brand:#1E6FD9;
  --brand-dark:#1758B0;
  --brand-soft:#EEF4FF;
  --teal:#14B8A6;
  --teal-soft:#E6F7F5;
  --amber:#F2A03D;
  --amber-soft:#FDF2E3;
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --surface-alt:#F7F9FC;
  --ink:#0E1A2B;
  --ink-2:#4A5A6E;
  --ink-3:#8A98AA;
  --line:#E6ECF4;
  --line-2:#EEF2F7;
  --ok:#16A34A;
  --warn:#D97706;
  --err:#DC2626;
  --r-card:14px;
  --r-big:20px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(16,52,96,.06);
  --sh-2:0 14px 34px rgba(16,52,96,.12);
  --sh-nav:0 6px 20px rgba(16,52,96,.08);
  --sp:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,opacity .2s ease}
button,input{font:inherit}
button{cursor:pointer;border:none;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;color:var(--ink)}
p{margin:0}
:focus-visible{outline:3px solid rgba(30,111,217,.28);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;letter-spacing:.2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.container{padding-left:24px;padding-right:24px}}
@media(min-width:1440px){.container{max-width:1280px;padding-left:32px;padding-right:32px}}

/* ============ 顶部工具条 ============ */
.topbar{background:#F1F5F9;border-bottom:1px solid var(--line);font-size:13px;color:var(--ink-2)}
.topbar-in{display:flex;align-items:center;justify-content:space-between;height:36px;gap:16px}
.topbar-note{color:var(--ink-2)}
.topbar-links{display:flex;align-items:center;gap:10px}
.topbar-links a{color:var(--ink-2)}
.topbar-links a:hover{color:var(--brand)}
.topbar-links .sep{width:1px;height:12px;background:#CBD5E1}
.topbar-links .lang{color:var(--ink-3)}
@media(max-width:767px){.topbar{display:none}}

/* ============ 主导航 ============ */
.site-header{position:relative;z-index:90}
.mainnav{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:90}
.mainnav.is-stuck{position:sticky;top:0;box-shadow:var(--sh-nav)}
.nav-in{display:flex;align-items:center;height:72px;gap:18px}
.brand{font-size:20px;font-weight:700;color:var(--ink);white-space:nowrap;flex:none}
.brand:hover{color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:22px}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;padding:10px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--ink-2);transition:.2s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.active{color:var(--brand);background:rgba(30,111,217,.08);font-weight:600}
.caret{width:6px;height:6px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-2px);display:inline-block}
.nav-cta{margin-left:auto;flex:none}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Mega 面板 */
.has-mega{position:relative}
.mega{
  position:absolute;top:calc(100% + 12px);right:0;width:840px;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:0 18px 48px rgba(16,52,96,.12);padding:22px;
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:.2s ease;pointer-events:none;
}
.has-mega:hover .mega,.has-mega:focus-within .mega,.has-mega.open .mega{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
.has-mega:hover>.nav-link,.has-mega:focus-within>.nav-link{color:var(--brand);background:rgba(30,111,217,.08)}
.mega-title{font-size:13px;font-weight:600;color:var(--ink-3);margin-bottom:12px;letter-spacing:.4px}
.mega-list li a{display:flex;align-items:center;min-height:44px;font-size:14px;color:var(--ink-2);border-radius:8px;padding:0 10px}
.mega-list li a:hover{background:var(--brand-soft);color:var(--brand)}
.mega-list li a i{width:6px;height:6px;border-radius:50%;background:var(--teal);margin-right:10px;flex:none}
.mega-post{display:block;padding:10px;border-radius:10px;transition:.2s ease}
.mega-post:hover{background:var(--surface-alt)}
.mega-post h4{font-size:14px;font-weight:600;line-height:1.5;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mega-post time{display:block;font-size:12px;color:var(--ink-3);margin-top:4px}
.mega-card{display:block;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--surface-alt)}
.mega-card img{width:100%;height:130px;object-fit:cover;background:#EAF0F8;transition:transform .2s ease}
.mega-card:hover img{transform:scale(1.03)}
.mega-card span{display:block;padding:12px;font-size:14px;font-weight:600;color:var(--ink)}
.mega-card:hover span{color:var(--brand)}

@media(max-width:1023px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:fixed;inset:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;
    margin:0;padding:88px 20px 40px;overflow-y:auto;z-index:80;
    transform:translateX(100%);transition:transform .25s ease;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-link{display:flex;justify-content:space-between;height:56px;padding:0;border-bottom:1px solid var(--line-2);border-radius:0;font-size:16px;color:var(--ink)}
  .nav-link.active{background:transparent;color:var(--brand)}
  .has-mega{position:static}
  .mega{
    position:static;width:auto;opacity:1;visibility:visible;transform:none;pointer-events:auto;
    display:none;grid-template-columns:1fr;box-shadow:none;border:none;border-radius:0;background:var(--surface-alt);padding:12px 14px;
  }
  .has-mega.open .mega{display:grid}
  .nav-cta{display:none}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border:1.5px solid var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:rgba(30,111,217,.08);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.72)}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn[disabled]{opacity:.4;cursor:not-allowed}

.arrow-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600}
.arrow-link i{display:inline-block;transition:transform .2s ease;font-style:normal}
.arrow-link:hover i{transform:translateX(4px)}

/* ============ 徽章与标签 ============ */
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;font-weight:500}
.badge-brand{background:var(--brand-soft);color:var(--brand-dark)}
.badge-teal{background:var(--teal-soft);color:#0F766E}
.badge-amber{background:var(--amber-soft);color:#B45309}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);background:var(--surface-alt);border:1px solid var(--line);font-size:13px;color:var(--ink-2)}
.tag:hover{border-color:var(--brand);color:var(--brand)}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding:26px 0 0}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#C7D2E0}
.breadcrumb .cur{color:var(--ink-3);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头 ============ */
.article-hero{background:#fff;border-bottom:1px solid var(--line)}
.article-head{padding:18px 0 44px}
.article-head h1{font-size:clamp(26px,3.2vw,36px);line-height:1.35;font-weight:700;max-width:880px;margin-top:18px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;font-size:14px;color:var(--ink-3)}
.article-meta .dot{width:1px;height:14px;background:var(--line)}
.article-meta time{color:var(--ink-2)}

/* ============ 两栏布局 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:52px;padding:52px 0 0;align-items:start}
@media(max-width:1023px){.article-layout{grid-template-columns:1fr;gap:44px;padding-top:40px}}

/* ============ 正文排版 ============ */
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:#243244}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:clamp(20px,2.2vw,24px);line-height:1.45;margin:40px 0 16px;position:relative;padding-left:14px;color:var(--ink);
}
.article-body h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--brand)}
.article-body h3{font-size:19px;font-weight:600;margin:28px 0 12px;color:var(--ink)}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px}
.article-body ul,.article-body ol{padding-left:24px;margin:0 0 1.2em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body ul li::marker{color:var(--brand)}
.article-body ol li::marker{color:var(--brand);font-weight:600}
.article-body a{color:var(--brand);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-dark)}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--surface-alt);
  border-left:3px solid var(--brand);border-radius:0 10px 10px 0;color:var(--ink-2);font-size:16px;
}
.article-body img{border-radius:12px;margin:24px auto;background:#EAF0F8}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px}
.article-body pre{background:var(--surface-alt);border:1px solid var(--line);border-radius:10px;padding:16px;overflow-x:auto;font-size:14px;line-height:1.7}
.article-body code{font-family:"SFMono-Regular",Consolas,Menlo,monospace;font-size:.94em}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th{background:var(--surface-alt);text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);font-weight:600}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line-2);color:var(--ink-2)}
.article-body hr{border:none;border-top:1px solid var(--line-2);margin:36px 0}
@media(max-width:767px){
  .article-body{font-size:16px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .article-body h2{margin-top:34px}
}

/* ============ 文末 ============ */
.article-foot{margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.article-tags{display:flex;flex-wrap:wrap;gap:10px}
.article-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.article-actions .btn-outline{background:#fff}
.article-actions .btn-outline.is-on{background:var(--brand-soft)}

.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:32px}
@media(max-width:640px){.post-nav{grid-template-columns:1fr}}
.post-nav-card{
  display:block;padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:.2s ease;min-height:96px;
}
.post-nav-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8E4F2}
.post-nav-dir{display:block;font-size:13px;color:var(--ink-3);margin-bottom:8px}
.post-nav-card h4{font-size:16px;font-weight:600;line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink)}
.post-nav-card:hover h4{color:var(--brand)}
.post-nav-card.next{text-align:right}

.back-cat{margin-top:32px}

/* ============ 侧栏 ============ */
.article-side-inner{position:relative}
@media(min-width:1024px){.article-side-inner{position:sticky;top:96px}}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:20px;margin-bottom:20px}
.side-title{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--brand)}
.toc-list li a{display:block;padding:8px 10px;font-size:14px;color:var(--ink-2);border-left:2px solid transparent;border-radius:0 8px 8px 0;line-height:1.6}
.toc-list li a:hover{background:var(--surface-alt);color:var(--brand)}
.toc-list li a.active{color:var(--brand);border-left-color:var(--brand);background:var(--brand-soft);font-weight:600}
.toc-list li.toc-h3 a{padding-left:22px;font-size:13px;color:var(--ink-3)}
.toc-empty{font-size:13px;color:var(--ink-3)}
.mini-card{display:flex;gap:12px;align-items:center;padding:10px;border-radius:10px;transition:.2s ease}
.mini-card:hover{background:var(--surface-alt)}
.mini-card img{width:64px;height:64px;border-radius:10px;object-fit:cover;flex:none;background:#EAF0F8}
.mini-card h4{font-size:14px;font-weight:600;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-card:hover h4{color:var(--brand)}
.mini-card time{display:block;font-size:12px;color:var(--ink-3);margin-top:4px}
.mini-empty{font-size:13px;color:var(--ink-3);line-height:1.7}
.side-cta{background:var(--brand-soft);border:1px solid #D9E6FB;border-radius:var(--r-card);padding:22px}
.side-cta h4{font-size:16px;font-weight:700;color:var(--ink)}
.side-cta p{font-size:13px;color:var(--ink-2);margin:10px 0 16px;line-height:1.7}
.side-cta .btn{width:100%}

/* ============ 相关推荐 ============ */
.rel-section{padding:72px 0 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.sec-head h2{font-size:clamp(22px,2.6vw,28px)}
.sec-head p{font-size:14px;color:var(--ink-2);margin-top:8px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media(max-width:1023px){.rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:639px){.rel-grid{grid-template-columns:1fr}}
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:.2s ease;height:100%;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8E4F2}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#EAF0F8;transition:transform .2s ease}
.rel-card:hover img{transform:scale(1.03)}
.rel-card .rc-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card h3{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card p{font-size:14px;color:var(--ink-2);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rc-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);padding-top:10px;border-top:1px solid var(--line-2)}
.empty-rel{padding:36px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);color:var(--ink-3);font-size:14px}

/* ============ 空态 ============ */
.empty-state{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:56px 24px;text-align:center;max-width:760px;
}
.empty-ico{
  width:56px;height:56px;border-radius:50%;border:2px solid rgba(30,111,217,.4);color:rgba(30,111,217,.6);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:22px;
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:24px}

/* ============ CTA 带 ============ */
.cta-wrap{padding:72px 0 0}
.cta-band{
  background:var(--brand);border-radius:var(--r-big);padding:40px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 16px 40px rgba(30,111,217,.22);
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);color:#fff;line-height:1.4}
.cta-band p{font-size:14px;color:rgba(255,255,255,.88);margin-top:10px}
@media(max-width:767px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;gap:22px}
  .cta-band .btn{width:100%}
}

/* ============ 页脚 ============ */
.site-footer{background:#0B1B2E;color:rgba(255,255,255,.7);margin-top:88px;padding:56px 0 24px;font-size:14px}
.footer-top{display:flex;align-items:baseline;flex-wrap:wrap;gap:16px;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{font-size:20px;font-weight:700;color:#fff}
.footer-slogan{font-size:14px;color:rgba(255,255,255,.6)}
.footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px;padding:36px 0 28px}
@media(max-width:1023px){.footer-cols{grid-template-columns:1fr 1fr}}
@media(max-width:639px){.footer-cols{grid-template-columns:1fr;gap:28px}}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-col p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.62)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:rgba(255,255,255,.7);font-size:13px}
.footer-col ul li a:hover{color:#fff;text-decoration:underline}
.subscribe{display:flex;gap:10px;margin-top:4px}
.subscribe input{
  flex:1;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);color:#fff;font-size:14px;transition:.2s ease;
}
.subscribe input::placeholder{color:rgba(255,255,255,.45)}
.subscribe input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(30,111,217,.35);background:rgba(255,255,255,.1)}
.subscribe button{
  height:44px;padding:0 20px;border-radius:var(--r-btn);background:var(--brand);color:#fff;font-weight:600;font-size:14px;
  transition:.2s ease;
}
.subscribe button:hover{background:var(--brand-dark)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.5);
}

/* roulang page: category2 */
:root{
  --brand:#1E6FD9;
  --brand-dark:#1758B0;
  --brand-soft:#EEF4FF;
  --teal:#14B8A6;
  --teal-soft:rgba(20,184,166,.12);
  --amber:#F2A03D;
  --amber-soft:rgba(242,160,61,.14);
  --bg:#F6F8FB;
  --bg-alt:#F7F9FC;
  --card:#FFFFFF;
  --text:#0E1A2B;
  --text-2:#4A5A6E;
  --text-3:#8A98AA;
  --border:#E6ECF4;
  --line:#EEF2F7;
  --success:#16A34A;
  --warning:#D97706;
  --error:#DC2626;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --sh-1:0 6px 18px rgba(16,52,96,.06);
  --sh-2:0 14px 34px rgba(16,52,96,.12);
  --sh-nav:0 6px 20px rgba(16,52,96,.08);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(30,111,217,.28);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;letter-spacing:.2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--alt{background:var(--bg-alt)}
.section--white{background:#fff}
.section-head{max-width:760px;margin:0 0 40px}
.section-head--center{margin:0 auto 44px;text-align:center}
.section-head h2{font-size:clamp(24px,2.8vw,32px);line-height:1.3;font-weight:700;letter-spacing:0}
.section-head p{margin-top:14px;font-size:16px;color:var(--text-2);line-height:1.8}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:6px 14px;margin-bottom:16px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:0;cursor:pointer;
  transition:all .2s ease;white-space:nowrap;
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(30,111,217,.22)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 14px 30px rgba(30,111,217,.26);color:#fff}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(30,111,217,.2)}
.btn-outline{border:1.5px solid var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:rgba(30,111,217,.08);color:var(--brand-dark);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.62);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;border-color:#fff;transform:translateY(-2px)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
  transition:color .2s ease;
}
.link-more i{transition:transform .2s ease;font-size:12px}
.link-more:hover{color:var(--brand-dark)}
.link-more:hover i{transform:translateX(4px)}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:500;background:var(--brand-soft);color:var(--brand-dark);
}
.badge-teal{background:var(--teal-soft);color:#0F8B7E}
.badge-amber{background:var(--amber-soft);color:#B36B12}

/* 顶部工具条 */
.topbar{background:#F1F5F9;border-bottom:1px solid var(--border);font-size:13px;color:var(--text-2)}
.topbar-in{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:16px}
.topbar-links{display:flex;align-items:center;gap:12px}
.topbar-links a{transition:color .2s ease}
.topbar-links a:hover{color:var(--brand)}
.topbar-links .sep{width:1px;height:12px;background:#CDD8E6;display:inline-block}
.topbar-links .lang{color:var(--text-3)}

/* 主导航 */
.site-header{position:relative;z-index:200}
.mainnav{
  background:#fff;border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:200;transition:box-shadow .2s ease;
}
.mainnav.is-stuck{box-shadow:var(--sh-nav)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:700;letter-spacing:0;color:var(--text);white-space:nowrap;
}
.brand::before{
  content:"";width:26px;height:26px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--teal) 100%);
  box-shadow:0 4px 10px rgba(30,111,217,.22);
}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;height:44px;padding:0 14px;border-radius:10px;
  font-size:15px;color:var(--text-2);transition:all .2s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(30,111,217,.06)}
.nav-link.active{color:var(--brand);font-weight:600;background:rgba(30,111,217,.08)}
.caret{
  width:6px;height:6px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;
  transform:rotate(45deg) translateY(-2px);display:inline-block;transition:transform .2s ease;
}
.nav-cta{margin-left:8px}

/* Mega 面板 */
.has-mega{position:relative}
.mega{
  position:absolute;top:calc(100% + 12px);left:50%;
  transform:translateX(-50%) translateY(8px);
  width:820px;max-width:calc(100vw - 48px);
  background:#fff;border:1px solid var(--border);border-radius:14px;
  box-shadow:0 18px 48px rgba(16,52,96,.12);
  padding:26px;display:grid;grid-template-columns:1.05fr 1fr .95fr;gap:26px;
  opacity:0;visibility:hidden;transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.has-mega:hover .mega,.has-mega:focus-within .mega,.has-mega.open .mega{
  opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);
}
.has-mega:hover .nav-link,.has-mega.open .nav-link{color:var(--brand);background:rgba(30,111,217,.08)}
.has-mega:hover .caret,.has-mega.open .caret{transform:rotate(225deg) translateY(-2px)}
.mega-title{font-size:13px;font-weight:600;color:var(--text-3);letter-spacing:.4px;margin-bottom:12px}
.mega-list li{margin-bottom:2px}
.mega-list a{
  display:flex;align-items:center;gap:10px;min-height:44px;padding:0 10px;border-radius:10px;
  font-size:14px;color:var(--text-2);transition:all .2s ease;
}
.mega-list a:hover{background:var(--brand-soft);color:var(--brand)}
.mega-list i{font-size:12px;color:var(--teal);width:16px;text-align:center}
.mega-post{display:block;padding:10px 10px 12px;border-radius:10px;transition:background .2s ease}
.mega-post:hover{background:var(--bg-alt)}
.mega-post h4{font-size:14px;font-weight:600;line-height:1.5;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mega-post time{font-size:12px;color:var(--text-3)}
.mega-card{
  border:1px solid var(--border);border-radius:14px;overflow:hidden;background:var(--bg-alt);
  display:flex;flex-direction:column;transition:all .2s ease;
}
.mega-card:hover{box-shadow:var(--sh-1);transform:translateY(-2px)}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#EAF0F8}
.mega-card span{display:block;padding:12px 14px;font-size:14px;font-weight:600;color:var(--text)}
.mega-card em{display:block;padding:0 14px 14px;font-size:13px;font-style:normal;color:var(--brand)}

/* 汉堡 */
.hamburger{
  display:none;width:44px;height:44px;border:1px solid var(--border);border-radius:10px;background:#fff;
  align-items:center;justify-content:center;cursor:pointer;
}
.hamburger i{font-size:16px;color:var(--text)}

/* 分类 Hero */
.cat-hero{
  position:relative;background:var(--bg-alt);border-bottom:1px solid var(--border);
  padding:64px 0 72px;overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(30,111,217,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(30,111,217,.045) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.75),rgba(0,0,0,0));
}
.cat-hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap}
.crumb a{transition:color .2s ease}
.crumb a:hover{color:var(--brand)}
.crumb i{font-size:10px;color:#B9C6D8}
.hero-title{font-size:clamp(28px,3.6vw,40px);line-height:1.25;font-weight:700;letter-spacing:0}
.hero-sub{margin-top:18px;font-size:16px;color:var(--text-2);line-height:1.8;max-width:560px}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.anchor-pills a{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--border);font-size:14px;color:var(--text-2);transition:all .2s ease;
}
.anchor-pills a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.anchor-pills i{font-size:11px;color:var(--brand)}
.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--border);
  box-shadow:var(--sh-1);background:#EAF0F8;aspect-ratio:4/3;
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media .media-tag{
  position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.94);
  border-radius:12px;padding:12px 16px;font-size:13px;color:var(--text-2);
  box-shadow:0 10px 26px rgba(16,52,96,.14);line-height:1.5;
}
.hero-media .media-tag strong{display:block;font-size:15px;color:var(--text);margin-bottom:2px}

/* 数据条 */
.metrics{
  display:grid;grid-template-columns:repeat(3,1fr);gap:32px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:30px 36px;
}
.metric{display:flex;flex-direction:column;gap:4px;padding-left:22px;border-left:1px solid var(--line)}
.metric:first-child{border-left:0;padding-left:0}
.metric b{font-size:34px;line-height:1.2;color:var(--brand);font-weight:700;font-variant-numeric:tabular-nums}
.metric span{font-size:14px;color:var(--text-3)}

/* 图文分栏 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split--reverse .split-media{order:2}
.split-media{border-radius:16px;overflow:hidden;border:1px solid var(--border);background:#EAF0F8;aspect-ratio:4/3;box-shadow:var(--sh-1)}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-body h3{font-size:20px;line-height:1.5;font-weight:600;margin:14px 0 14px}
.split-body p{color:var(--text-2);font-size:16px}
.check-list{margin:22px 0 28px;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-2)}
.check-list i{
  margin-top:4px;width:20px;height:20px;border-radius:50%;background:var(--brand-soft);
  color:var(--brand);font-size:11px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 20px;
}
.check-list b{color:var(--text);font-weight:600}

/* 能力清单 */
.cap-grid{display:grid;grid-template-columns:repeat(2,1fr);column-gap:56px;border-top:1px solid var(--border)}
.cap-item{
  display:grid;grid-template-columns:auto 1fr;gap:20px;
  padding:30px 0;border-bottom:1px solid var(--border);
}
.cap-num{
  font-size:30px;font-weight:700;line-height:1;color:var(--brand);opacity:.35;
  font-variant-numeric:tabular-nums;letter-spacing:.5px;padding-top:2px;
}
.cap-item h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:8px}
.cap-item p{font-size:15px;color:var(--text-2);margin-bottom:12px}

/* 流程时间轴 */
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-top:8px}
.steps::before{
  content:"";position:absolute;top:29px;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,rgba(30,111,217,.35),rgba(20,184,166,.28));
}
.step{position:relative;text-align:center;padding:0 6px}
.step-dot{
  width:44px;height:44px;border-radius:50%;margin:0 auto 18px;background:#fff;
  border:2px solid var(--brand);color:var(--brand);display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;position:relative;z-index:1;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2);line-height:1.7}

/* FAQ */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{
  border:1px solid var(--border);border-radius:var(--r-card);background:#fff;
  margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#D5E1F2;box-shadow:var(--sh-1)}
.faq-item[open]{background:var(--bg-alt);border-color:#D5E1F2}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:44px;padding:20px 24px;font-size:16px;font-weight:600;color:var(--text);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);font-size:16px;font-weight:600;
  display:flex;align-items:center;justify-content:center;transition:transform .2s ease,background .2s ease;
}
.faq-item[open] summary{color:var(--brand)}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);background:rgba(30,111,217,.16)}
.faq-body{padding:0 24px 22px;font-size:15px;color:var(--text-2);line-height:1.8;max-width:760px}

/* CTA 带 */
.cta-band{
  background:var(--brand);border-radius:var(--r-lg);padding:42px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 18px 40px rgba(30,111,217,.22);
}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:700}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.86);max-width:560px}
.cta-band .btn{flex:0 0 auto}

/* 资讯细链接行 */
.news-teaser{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:20px 26px;box-shadow:var(--sh-1);
}
.news-teaser p{font-size:15px;color:var(--text-2)}
.news-teaser strong{color:var(--text);font-weight:600}

/* 页脚 */
.site-footer{background:#0B1B2E;color:rgba(255,255,255,.7);padding:64px 0 28px;margin-top:0}
.footer-top{
  display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;
  padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{font-size:20px;font-weight:700;color:#fff}
.footer-slogan{font-size:14px;color:rgba(255,255,255,.58)}
.footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px;padding:38px 0}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s ease}
.footer-col ul a:hover{color:#fff;text-decoration:underline}
.subscribe{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.subscribe input{
  flex:1 1 160px;min-width:0;height:44px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;transition:all .2s ease;
}
.subscribe input::placeholder{color:rgba(255,255,255,.42)}
.subscribe input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(30,111,217,.35);background:rgba(255,255,255,.1)}
.subscribe button{
  height:44px;padding:0 20px;border:0;border-radius:var(--r-btn);background:var(--brand);color:#fff;
  font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;
}
.subscribe button:hover{background:var(--brand-dark)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.5);
}

/* 响应式 */
@media (max-width:1279px){
  .mega{left:auto;right:0;transform:translateY(8px)}
  .has-mega:hover .mega,.has-mega:focus-within .mega,.has-mega.open .mega{transform:translateY(0)}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .topbar{display:none}
  .hamburger{display:inline-flex}
  .nav-cta{display:none}
  .nav-links{
    position:fixed;top:0;left:0;right:0;bottom:0;z-index:150;background:#fff;
    padding:96px 24px 48px;flex-direction:column;align-items:stretch;gap:0;
    overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s;
  }
  .nav-links.open{opacity:1;visibility:visible;transform:none}
  .nav-links > li{border-bottom:1px solid var(--line)}
  .nav-link{height:56px;padding:0;border-radius:0;font-size:16px;color:var(--text);justify-content:space-between}
  .nav-link:hover,.nav-link.active{background:transparent;color:var(--brand)}
  .has-mega .mega{
    position:static;display:none;opacity:1;visibility:visible;transform:none;
    width:auto;max-width:none;border:0;box-shadow:none;border-radius:0;padding:0 0 18px;
    grid-template-columns:1fr;gap:18px;
  }
  .has-mega.open .mega{display:grid}
  .has-mega:hover .caret,.has-mega.open .caret{transform:rotate(225deg) translateY(-2px)}
  .section{padding:72px 0}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-sub{max-width:none}
  .split{grid-template-columns:1fr;gap:32px}
  .split--reverse .split-media{order:0}
  .cap-grid{column-gap:32px}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .steps::before{display:none}
  .footer-cols{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .cat-hero{padding:44px 0 52px}
  .metrics{grid-template-columns:1fr;gap:20px;padding:24px}
  .metric{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:16px}
  .metric:first-child{border-top:0;padding-top:0}
  .cap-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:0;padding-left:26px;position:relative}
  .steps::after{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:rgba(30,111,217,.22);display:block}
  .step{text-align:left;padding:0 0 28px 0;display:block}
  .step-dot{margin:0 0 12px -26px;width:36px;height:36px;font-size:14px}
  .faq-item summary{padding:18px 18px;font-size:15px}
  .faq-body{padding:0 18px 20px}
  .cta-band{padding:30px 24px;border-radius:16px}
  .cta-band .btn{width:100%}
  .footer-cols{grid-template-columns:1fr;gap:26px}
  .news-teaser{padding:18px 20px}
}
@media (max-width:480px){
  .container{padding:0 20px}
  .brand{font-size:17px}
  .metric b{font-size:28px}
  .cap-num{font-size:24px}
  .hero-media .media-tag{left:12px;bottom:12px;padding:10px 12px}
}