/* ==========================================================
   全犀云 TOTAL RHINO CLOUD · 官网落地页
   主色：天蓝（可渐变）· 互联网科技感
   ========================================================== */
:root{
  --c-deep:#062A5C;
  --c-navy:#08397F;
  --c-blue:#0A66E8;
  --c-sky:#2E9BFF;
  --c-cyan:#63C6FF;
  --c-mist:#EAF4FF;
  --c-ink:#0B1B33;
  --c-ink2:#52709B;
  --c-line:#DCEBFA;
  --grad-main:linear-gradient(135deg,#062A5C 0%,#0A66E8 46%,#2E9BFF 78%,#74C8FF 120%);
  --grad-sky:linear-gradient(135deg,#2E9BFF 0%,#63C6FF 100%);
  --grad-btn:linear-gradient(135deg,#0A66E8,#2E9BFF);
  --warn:#E2872A;
  --warn-bg:#FFF1E4;
  --r-card:16px;
  --r-block:22px;
  --shadow:0 10px 30px rgba(8,57,127,.10);
  --shadow-lg:0 18px 50px rgba(6,42,92,.18);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  color:var(--c-ink);
  background:#fff;
  line-height:1.7;
  font-size:15.5px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section-tint{background:linear-gradient(180deg,#F6FBFF 0%,#FFFFFF 100%)}
.section-deep{background:var(--c-deep);color:#fff}

/* ---------- 通用区块标题 ---------- */
.sec-head{max-width:760px;margin:0 auto 52px;text-align:center}
.sec-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--c-sky);
  background:var(--c-mist);border:1px solid var(--c-line);
  padding:6px 16px;border-radius:999px;margin-bottom:18px;
}
.sec-head h2{font-size:36px;line-height:1.25;font-weight:700;color:var(--c-ink)}
.sec-head h2 em{font-style:normal;background:var(--grad-sky);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-head p{margin-top:14px;color:var(--c-ink2);font-size:15.5px}
.section-deep .sec-head h2{color:#fff}
.section-deep .sec-head p{color:#B9D4F5}
.section-deep .sec-head .kicker{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:#8FC6FF}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 30px;border-radius:999px;
  font-size:15.5px;font-weight:600;letter-spacing:.02em;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--grad-btn);color:#fff;box-shadow:0 8px 24px rgba(46,155,255,.38)}
.btn-primary:hover{box-shadow:0 12px 30px rgba(46,155,255,.5)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.65);color:#fff;background:rgba(255,255,255,.06);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-dark{background:var(--c-deep);color:#fff}
.btn-outline{border:1.5px solid var(--c-blue);color:var(--c-blue);background:#fff}
.btn-outline:hover{background:var(--c-mist)}
.btn-sm{height:40px;padding:0 22px;font-size:14px}

/* ---------- 页头导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:box-shadow .3s ease,background .3s ease;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
}
.site-header.scrolled{box-shadow:0 6px 24px rgba(6,42,92,.10);border-bottom-color:var(--c-line)}
.header-inner{max-width:1240px;margin:0 auto;padding:0 24px;height:60px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand img{height:46px;width:auto}
.brand-name{font-size:21px;font-weight:800;color:var(--c-deep);letter-spacing:.02em;line-height:1.1}
.brand-name small{display:block;font-size:9.5px;font-weight:600;color:var(--c-sky);letter-spacing:.18em}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  position:relative;padding:10px 15px;font-size:15px;font-weight:500;color:#33475F;
  border-radius:8px;transition:color .2s;
}
.main-nav a:hover{color:var(--c-blue)}
.main-nav a.active{color:var(--c-blue);font-weight:700}
.main-nav a.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:3px;border-radius:2px;
  background:var(--grad-sky);
}
.header-cta{flex-shrink:0}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;margin-left:auto}
.nav-toggle span{width:24px;height:2.5px;border-radius:2px;background:var(--c-deep);transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ---------- 首页 Hero 轮播 ---------- */
.hero{position:relative;margin-top:60px;height:calc(100vh - 60px);max-height:720px;min-height:560px;overflow:hidden;background:var(--c-deep)}
.hero-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .9s ease,visibility .9s}
.hero-slide.active{opacity:1;visibility:visible}
.slide-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.04);transition:transform 7s ease}
.hero-slide.active .slide-bg{transform:scale(1)}
.slide-shade{position:absolute;inset:0}
.s1 .slide-shade{background:linear-gradient(90deg,rgba(4,22,50,.88) 0%,rgba(6,42,92,.55) 42%,rgba(6,42,92,.05) 75%),linear-gradient(0deg,rgba(4,22,50,.55) 0%,transparent 30%)}
.s3 .slide-shade{background:linear-gradient(90deg,rgba(4,22,50,.9) 0%,rgba(6,42,92,.6) 45%,rgba(6,42,92,.08) 80%)}
.s2 .slide-shade{background:linear-gradient(90deg,rgba(240,248,255,.94) 0%,rgba(240,248,255,.72) 40%,rgba(240,248,255,.05) 72%)}
/* ⚠ 坑记录：这里不能写 max-width:1200px + margin:auto。
   配合下面的 padding-left:max(24px,50vw-576px)，浏览器会把
   1200px 当作上限后再扣掉 padding，导致视口越宽内容区越窄
   （实测 1920 → 内容仅 792px，2560 → 仅 472px，标题被迫折 3 行）。
   正确做法：容器保持整宽，只用 padding 把内容推到与 .container 对齐的位置。 */
.slide-content{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;width:100%;max-width:none;margin:0;padding:0 24px}
/* 文案最大宽度：内容区够宽时也不至于无限拉长 */
.slide-content h1,.slide-content h2{max-width:860px}
.slide-motto,.slide-en{max-width:860px}
.slide-tag{
  display:inline-flex;align-items:center;gap:8px;width:fit-content;
  font-size:13.5px;font-weight:600;letter-spacing:.12em;
  color:#9CD2FF;background:rgba(46,155,255,.14);
  border:1px solid rgba(120,190,255,.35);border-radius:999px;
  padding:7px 18px;margin-bottom:26px;backdrop-filter:blur(4px);
}
.s2 .slide-tag{color:var(--c-blue);background:rgba(46,155,255,.1);border-color:rgba(46,155,255,.3)}
.slide-content h1{font-size:62px;font-weight:900;line-height:1.12;color:#fff;letter-spacing:.01em;text-shadow:0 4px 30px rgba(4,22,50,.4)}
.slide-content h2{font-size:52px;font-weight:800;line-height:1.18;color:#fff;text-shadow:0 4px 30px rgba(4,22,50,.4)}
.s1 h2.is-cn{font-size:62px;font-weight:900}
.slide-en{font-size:19px;font-weight:600;letter-spacing:.34em;color:#7FC4FF;margin-top:14px;text-transform:uppercase}
.slide-motto{font-size:19px;font-weight:600;color:#CFE6FF;margin-top:20px;letter-spacing:.06em}
.slide-desc{max-width:560px;font-size:16px;color:#C7DDF6;margin-top:18px}
.s2 .slide-content h2{color:var(--c-deep)}
.s2 .slide-en{color:var(--c-sky)}
.s2 .slide-desc{color:#41618D}
.s2 .slide-motto{color:var(--c-navy)}
.slide-btns{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap}
.hero-chips{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}
.hero-chips span{
  padding:7px 18px;border-radius:999px;font-size:13.5px;font-weight:600;
  color:var(--c-blue);background:rgba(255,255,255,.85);border:1px solid var(--c-line);
  box-shadow:0 4px 14px rgba(10,102,232,.12);
}
.hero-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:5;
  width:48px;height:48px;border-radius:50%;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);
  color:#fff;display:flex;align-items:center;justify-content:center;
  backdrop-filter:blur(6px);transition:.25s;
}
.hero-arrow:hover{background:rgba(255,255,255,.28)}
.hero-arrow.prev{left:22px}
.hero-arrow.next{right:22px}
.hero-dots{position:absolute;bottom:84px;left:0;right:0;z-index:12;display:flex;justify-content:center;gap:10px}
.hero-dots button{position:relative;width:28px;height:5px;border-radius:3px;background:rgba(255,255,255,.35);transition:.3s}
.hero-dots button::after{content:"";position:absolute;inset:-10px -6px}
.hero-dots button.active{width:46px;background:#fff}

/* ---------- 数据条 ---------- */
.stat-strip{margin-top:-64px;position:relative;z-index:10}
/* 矮屏（如 1536x714、1366x768）hero 只有 654~708px 高，
   上浮 76px 会让脚注压在 hero 底边上，这里收小上浮量 */
@media (max-height:800px){
  .stat-strip{margin-top:-38px}
}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:rgba(255,255,255,.9);backdrop-filter:blur(12px);
  border:1px solid var(--c-line);border-radius:var(--r-block);
  box-shadow:var(--shadow-lg);padding:30px 34px;
}
.stat-item{text-align:center;position:relative}
.stat-item + .stat-item::before{content:"";position:absolute;left:-9px;top:18%;bottom:18%;width:1px;background:var(--c-line)}
.stat-item .num{font-size:38px;font-weight:800;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.15}
.stat-item .lbl{font-size:14.5px;color:var(--c-ink2);margin-top:6px;font-weight:500}
.stat-note{text-align:center;color:#93A9C6;font-size:12.5px;margin-top:14px}

/* ---------- 卡片通用 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:30px 26px;box-shadow:0 4px 16px rgba(8,57,127,.05);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(46,155,255,.45)}
.card h3{font-size:19px;font-weight:700;margin-bottom:10px;color:var(--c-ink)}
.card p{font-size:14.5px;color:var(--c-ink2)}
.card-icon{
  width:54px;height:54px;border-radius:14px;margin-bottom:18px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-mist);color:var(--c-blue);
}
.card-icon svg{width:26px;height:26px}
.card-topbar::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-sky)}

/* 编号卡片 */
.num-card .no{
  font-size:15px;font-weight:800;letter-spacing:.1em;
  background:var(--grad-sky);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:12px;display:block;
}

/* ---------- 合作伙伴墙 ---------- */
.partner-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.partner-wall .logo-tile{
  display:flex;align-items:center;justify-content:center;
  height:88px;padding:16px 20px;border-radius:12px;background:#fff;
  border:1px solid var(--c-line);box-shadow:0 3px 10px rgba(8,57,127,.04);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.partner-wall .logo-tile img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
.partner-wall .logo-tile:hover{transform:translateY(-3px);border-color:transparent;box-shadow:0 10px 24px rgba(46,155,255,.3)}

/* ---------- CTA 横幅 ---------- */
.cta-band{border-radius:var(--r-block);background:var(--grad-main);color:#fff;padding:56px 60px;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(120,200,255,.35),transparent 65%);right:-90px;top:-160px}
.cta-band::after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.16),transparent 60%);left:-80px;bottom:-140px}
.cta-band h3{font-size:30px;font-weight:800;line-height:1.3}
.cta-band p{color:#CBE4FF;margin-top:10px;font-size:15.5px}
.cta-band .btns{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}

/* ---------- 内页 Hero ---------- */
.page-hero{
  margin-top:60px;position:relative;color:#fff;overflow:hidden;
  background:var(--grad-main);padding:76px 0 90px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:56px 56px;
}
.page-hero::after{content:"";position:absolute;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(120,200,255,.4),transparent 62%);right:-140px;top:-220px}
.page-hero .container{position:relative;z-index:1}
.page-hero .crumb{font-size:13px;letter-spacing:.2em;color:#9CCBFF;font-weight:600;margin-bottom:16px}
.page-hero h1{font-size:46px;font-weight:800;line-height:1.2}
.page-hero p{margin-top:16px;font-size:16.5px;color:#C6DFFB;max-width:720px}
.page-hero .en{font-size:14px;letter-spacing:.3em;color:#7FB9F5;margin-top:12px;text-transform:uppercase;font-weight:600}

/* ---------- 步骤流 ---------- */
.step-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step-item{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:34px 24px 28px;text-align:center;transition:.3s}
.step-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.step-item .no{
  width:52px;height:52px;margin:0 auto 16px;border-radius:50%;
  background:var(--grad-btn);color:#fff;font-size:20px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(46,155,255,.35);
}
.step-item h4{font-size:17px;font-weight:700;margin-bottom:6px}
.step-item p{font-size:13.5px;color:var(--c-ink2)}
.step-item:not(:last-child)::after{
  content:"";position:absolute;top:58px;right:-14px;width:8px;height:8px;
  border-top:2px solid var(--c-sky);border-right:2px solid var(--c-sky);transform:rotate(45deg);
}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;max-width:960px;margin:0 auto}
.timeline::before{content:"";position:absolute;left:118px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--c-sky),var(--c-cyan))}
.tl-row{display:grid;grid-template-columns:96px 44px 1fr;align-items:start;margin-bottom:26px}
.tl-year{font-size:24px;font-weight:800;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;text-align:right;padding-top:14px}
.tl-dot{position:relative;display:flex;justify-content:center;padding-top:22px}
.tl-dot i{width:14px;height:14px;border-radius:50%;background:#fff;border:4px solid var(--c-sky);box-shadow:0 0 0 5px rgba(46,155,255,.15)}
.tl-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px 26px;box-shadow:0 4px 14px rgba(8,57,127,.05);transition:.3s}
.tl-card:hover{box-shadow:var(--shadow-lg);transform:translateX(4px)}
.tl-card .theme{font-size:16.5px;font-weight:700;color:var(--c-deep)}
.tl-card .lines{margin-top:8px;display:grid;gap:5px}
.tl-card .lines span{font-size:14px;color:var(--c-ink2)}
.tl-card .lines b{color:var(--c-blue);font-weight:600;margin-right:6px}

/* ---------- 权益统计卡 ---------- */
.benefit-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.benefit-card{text-align:center;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:30px 18px;transition:.3s}
.benefit-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(46,155,255,.4)}
.benefit-card .val{font-size:27px;font-weight:800;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.benefit-card h4{font-size:15.5px;font-weight:700;margin-top:10px}
.benefit-card p{font-size:12.8px;color:var(--c-ink2);margin-top:6px}

/* ---------- 模式卡 ---------- */
.mode-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:0 4px 16px rgba(8,57,127,.05);transition:.3s}
.mode-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.mode-card .head{background:var(--grad-main);color:#fff;padding:22px 26px}
.mode-card .head .no{font-size:13px;letter-spacing:.2em;color:#A5D3FF;font-weight:700}
.mode-card .head h3{font-size:20px;font-weight:800;margin-top:4px}
.mode-card .head p{font-size:13px;color:#CBE4FF;margin-top:4px}
.mode-card .plans{padding:8px 26px 16px}
.plan-row{padding:16px 0;border-bottom:1px dashed var(--c-line)}
.plan-row:last-child{border-bottom:none}
.plan-row .tag{display:inline-block;font-size:12.5px;font-weight:700;color:var(--c-blue);background:var(--c-mist);border-radius:6px;padding:3px 10px;margin-bottom:8px}
.plan-row p{font-size:14px;color:var(--c-ink2)}

/* ---------- 产品卡 ---------- */
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.product-card{border-radius:var(--r-block);overflow:hidden;border:1px solid var(--c-line);background:#fff;box-shadow:0 6px 20px rgba(8,57,127,.07);transition:.3s;display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.product-card .p-head{background:linear-gradient(135deg,#062A5C,#0A66E8 70%,#2E9BFF);color:#fff;padding:26px 30px;display:flex;justify-content:space-between;align-items:flex-start;gap:14px}
.product-card .p-head h3{font-size:21px;font-weight:800;line-height:1.3}
.product-card .p-head .pos{font-size:13px;color:#B8DBFF;margin-top:6px}
.product-card .p-head .price{text-align:right;flex-shrink:0}
.product-card .p-head .price b{font-size:26px;font-weight:800}
.product-card .p-head .price i{font-style:normal;font-size:12.5px;color:#B8DBFF;display:block}
.product-card .specs{padding:22px 30px;flex:1}
.spec-row{display:flex;justify-content:space-between;gap:20px;padding:9px 0;border-bottom:1px dashed #E8F1FB;font-size:14px}
.spec-row:last-child{border-bottom:none}
.spec-row .k{color:var(--c-ink2);flex-shrink:0}
.spec-row .v{font-weight:600;text-align:right;color:var(--c-ink)}
.product-card .p-foot{padding:16px 30px 24px;display:flex;gap:12px}
.pendum{color:var(--warn);font-weight:700}

/* ---------- 痛点-解法 ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.pain-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:0;overflow:hidden;transition:.3s}
.pain-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.pain-card .pain{background:var(--warn-bg);padding:20px 26px;position:relative}
.pain-card .pain::before{content:"";position:absolute;top:0;left:0;bottom:0;width:4px;background:var(--warn)}
.pain-card .pain .p-tag{font-size:12px;font-weight:700;color:#fff;background:var(--warn);border-radius:6px;padding:2px 10px;letter-spacing:.08em}
.pain-card .pain h4{font-size:17.5px;font-weight:700;color:#8A4B0F;margin-top:8px}
.pain-card .pain p{font-size:13.8px;color:#A06526;margin-top:4px}
.pain-card .sol{padding:20px 26px 24px}
.pain-card .sol .s-tag{font-size:12px;font-weight:700;color:var(--c-blue);background:var(--c-mist);border-radius:6px;padding:2px 10px;letter-spacing:.08em}
.pain-card .sol h4{font-size:17.5px;font-weight:700;color:var(--c-deep);margin-top:8px}
.pain-card .sol p{font-size:14px;color:var(--c-ink2);margin-top:4px}

/* ---------- 链路图 ---------- */
.chain-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.chain-item{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 22px;transition:.3s}
.chain-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(46,155,255,.4)}
.chain-item .cn{width:40px;height:40px;border-radius:12px;background:var(--grad-sky);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:14px;box-shadow:0 6px 14px rgba(46,155,255,.3)}
.chain-item h4{font-size:16.5px;font-weight:700;margin-bottom:6px}
.chain-item p{font-size:13.5px;color:var(--c-ink2)}

/* ---------- Token 占位 banner ---------- */
.token-banner{
  position:relative;border-radius:var(--r-block);overflow:hidden;color:#fff;
  background:linear-gradient(120deg,#062A5C 0%,#0A3D8F 45%,#0A66E8 80%,#2E9BFF 120%);
  padding:70px 64px;
}
.token-banner::before{
  content:"";position:absolute;inset:0;opacity:.35;
  background-image:radial-gradient(rgba(140,200,255,.5) 1.5px,transparent 1.5px);
  background-size:30px 30px;
}
.token-banner::after{content:"";position:absolute;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(99,198,255,.4),transparent 60%);right:-100px;top:-180px}
.token-banner .tb-in{position:relative;z-index:1;max-width:640px}
.token-banner .badge{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.1em;color:#062A5C;background:#9CD2FF;border-radius:999px;padding:5px 14px;margin-bottom:16px}
.token-banner h3{font-size:32px;font-weight:800}
.token-banner p{color:#C6DFFB;margin-top:12px;font-size:15.5px}

/* ---------- 客户画像 ---------- */
.profile-card{text-align:center;padding:36px 26px}
.profile-card .emoji{width:76px;height:76px;margin:0 auto 18px;border-radius:50%;background:var(--c-mist);display:flex;align-items:center;justify-content:center;font-size:34px}

/* ---------- 资本伙伴 ---------- */
.partner-card{text-align:center;padding:36px 26px}
.partner-card .pc-logo{font-size:22px;font-weight:800;color:var(--c-deep);letter-spacing:.04em}
.partner-card .pc-en{font-size:12px;letter-spacing:.14em;color:var(--c-sky);font-weight:600;margin-top:4px;text-transform:uppercase}
.partner-card h4{font-size:16.5px;font-weight:700;margin-top:14px;color:var(--c-navy)}
.partner-card p{font-size:13.5px;color:var(--c-ink2);margin-top:6px}

/* ---------- 资质 ---------- */
.cert-card{display:flex;gap:18px;align-items:flex-start;padding:26px}
.cert-card .ci{width:52px;height:52px;border-radius:12px;background:var(--grad-sky);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.cert-card .ci svg{width:26px;height:26px}
.cert-card h4{font-size:16.5px;font-weight:700}
.cert-card p{font-size:13.8px;color:var(--c-ink2);margin-top:6px}

/* ---------- 帮助中心 ---------- */
.help-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.help-col{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-block);padding:36px;box-shadow:0 4px 16px rgba(8,57,127,.05)}
.help-col .hc-head{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.help-col .hc-head .hi{width:52px;height:52px;border-radius:14px;background:var(--grad-sky);color:#fff;display:flex;align-items:center;justify-content:center}
.help-col .hc-head .hi svg{width:26px;height:26px}
.help-col h3{font-size:21px;font-weight:800}
.help-col .hc-head small{display:block;font-size:12px;color:var(--c-ink2);font-weight:500;letter-spacing:.1em}
.help-list li{display:flex;gap:12px;align-items:flex-start;padding:13px 0;border-bottom:1px dashed var(--c-line);font-size:14.5px;color:#33475F}
.help-list li:last-child{border-bottom:none}
.help-list .n{width:24px;height:24px;border-radius:50%;background:var(--c-mist);color:var(--c-blue);font-size:12.5px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}

/* ---------- 联系我们 ---------- */
.contact-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:stretch}
.contact-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-block);padding:38px;box-shadow:var(--shadow)}
.contact-row{display:flex;gap:16px;align-items:flex-start;padding:14px 0}
.contact-row .ci{width:46px;height:46px;border-radius:12px;background:var(--c-mist);color:var(--c-blue);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-row .ci svg{width:22px;height:22px}
.contact-row h5{font-size:14px;color:var(--c-ink2);font-weight:500}
.contact-row p{font-size:16.5px;font-weight:700;color:var(--c-ink);margin-top:2px}
.contact-row a[href^="tel"]{color:var(--c-blue)}
.form-card{background:var(--grad-main);border-radius:var(--r-block);padding:38px;color:#fff;position:relative;overflow:hidden}
.form-card::after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(140,210,255,.3),transparent 62%);right:-90px;bottom:-120px}
.form-card h3{font-size:22px;font-weight:800}
.form-card>p{font-size:13.5px;color:#C6DFFB;margin-top:6px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px;position:relative;z-index:1}
.form-grid .full{grid-column:1/-1}
.form-card input,.form-card select{
  width:100%;height:46px;border-radius:10px;border:1px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.12);color:#fff;padding:0 16px;font-size:14px;font-family:inherit;
  outline:none;transition:.2s;
}
.form-card input::placeholder{color:#AFD3F7}
.form-card select{appearance:none;color:#fff}
.form-card select option{color:var(--c-ink)}
.form-card input:focus,.form-card select:focus{border-color:#8FC6FF;background:rgba(255,255,255,.18)}
.form-card .btn{width:100%;margin-top:18px;background:#fff;color:var(--c-blue)}
.form-card .btn:disabled{opacity:.7;cursor:not-allowed;transform:none}
.form-card .hp-field{display:none!important}
.form-card .privacy{font-size:12px;color:#A9CBEF;margin-top:12px;text-align:center}

/* ---------- 合作意向表单：独立控件（不继承上面的旧规则） ---------- */
.form-card .qxy-form-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px;
  position:relative;z-index:2;pointer-events:auto;
}
.form-card .qxy-full{grid-column:1/-1}
.form-card .qxy-field{
  position:relative;z-index:1;margin:0;padding:0;pointer-events:auto;
  transform:none;opacity:1;visibility:visible;filter:none;
}
/* 输入框本体：文字、背景、边框、光标全部显式声明，避免被任何外部规则改掉 */
.form-card .qxy-input{
  position:relative;z-index:1;display:block;box-sizing:border-box;
  width:100%;height:46px;min-height:46px;margin:0;padding:0 16px;
  border:1px solid rgba(255,255,255,.45);border-radius:10px;
  background-color:#1B5FC4;color:#fff;
  font-family:inherit;font-size:14px;font-weight:500;line-height:46px;
  text-shadow:none;opacity:1;visibility:visible;pointer-events:auto;
  cursor:text;user-select:text;-webkit-user-select:text;
  appearance:none;-webkit-appearance:none;-moz-appearance:none;
  outline:none;box-shadow:none;transition:border-color .2s ease,background-color .2s ease;
}
.form-card .qxy-input::placeholder{color:#BCD9FA;opacity:1}
.form-card .qxy-input:hover{border-color:rgba(255,255,255,.7)}
.form-card .qxy-input:focus,.form-card .qxy-input:focus-visible{
  border-color:#9CCBFF;background-color:#1A57B6;
  box-shadow:0 0 0 3px rgba(140,200,255,.28);outline:none;
}
.form-card .qxy-input:disabled{opacity:.6;cursor:not-allowed}
/* 浏览器自动填充时保持同样的配色（Chrome/Edge 会强制改背景） */
.form-card .qxy-input:-webkit-autofill,
.form-card .qxy-input:-webkit-autofill:hover,
.form-card .qxy-input:-webkit-autofill:focus{
  -webkit-text-fill-color:#fff;
  -webkit-box-shadow:0 0 0 60px #1B5FC4 inset;
  caret-color:#fff;
}
.form-card .qxy-select{
  padding-right:38px;cursor:pointer;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%23DCEBFF' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
}
.form-card .qxy-select option{color:#0B2E5C;background:#fff}

/* ---------- 风险提示 ---------- */
.risk-note{background:var(--warn-bg);border:1px solid #F5D5AF;border-radius:var(--r-card);padding:20px 26px;display:flex;gap:14px;align-items:flex-start;margin-top:34px}
.risk-note svg{width:22px;height:22px;color:var(--warn);flex-shrink:0;margin-top:2px}
.risk-note p{font-size:13.5px;color:#8A5A1E}

/* ---------- 页脚 ---------- */
.site-footer{background:#041B3D;color:#9FB8D8;margin-top:0}
.footer-top{max-width:1200px;margin:0 auto;padding:64px 24px 40px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand img{height:56px;margin-bottom:16px}
.footer-brand .slogan{font-size:15px;color:#CFE4FF;font-weight:600;letter-spacing:.08em}
.footer-brand .en{font-size:11px;letter-spacing:.24em;color:#5E7FA8;margin-top:4px}
.footer-brand p{font-size:13px;margin-top:16px;line-height:1.8;color:#7E9CC4}
.footer-col h5{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.06em}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:13.5px;color:#9FB8D8;transition:.2s}
.footer-col a:hover{color:#7FC4FF}
.footer-col p{font-size:13.5px;margin-bottom:11px;line-height:1.7}
.footer-col .tel{color:#7FC4FF;font-weight:700;font-size:16px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08)}
.footer-bottom .container{padding:20px 24px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:#6384AD}
.footer-bottom a{color:#6384AD}
.footer-bottom a:hover{color:#7FC4FF}

/* ---------- Toast ---------- */
.toast{
  position:fixed;bottom:36px;left:50%;transform:translateX(-50%) translateY(24px);
  background:rgba(6,42,92,.94);color:#fff;font-size:14px;font-weight:500;
  padding:13px 28px;border-radius:999px;box-shadow:0 14px 40px rgba(4,22,50,.4);
  opacity:0;visibility:hidden;transition:.35s;z-index:200;backdrop-filter:blur(6px);
}
.toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}

/* ---------- 悬浮咨询 ---------- */
.float-contact{position:fixed;right:22px;bottom:26px;z-index:90;display:flex;flex-direction:column;gap:12px}
.float-contact a,.float-contact button{
  width:54px;height:54px;border-radius:50%;background:#fff;border:1px solid var(--c-line);
  box-shadow:0 10px 26px rgba(8,57,127,.18);display:flex;align-items:center;justify-content:center;
  color:var(--c-blue);transition:.25s;
}
.float-contact a:hover,.float-contact button:hover{transform:translateY(-4px);background:var(--grad-btn);color:#fff;border-color:transparent}
.float-contact svg{width:24px;height:24px}

/* ---------- 渐显动画 ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .slide-bg{transition:none;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .partner-wall{grid-template-columns:repeat(4,1fr)}
  .grid-3,.grid-6{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .step-flow,.chain-flow{grid-template-columns:repeat(2,1fr)}
  .step-item:not(:last-child)::after{display:none}
  .benefit-grid{grid-template-columns:repeat(3,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:26px}
  .stat-item:nth-child(3)::before{display:none}
  .contact-wrap{grid-template-columns:1fr}
  .slide-content h1,.s1 h2.is-cn{font-size:48px}
  .slide-content h2{font-size:40px}
  .product-grid,.pain-grid,.help-grid{grid-template-columns:1fr}
}
@media (max-width:760px){
  .partner-wall{grid-template-columns:repeat(3,1fr)}
  .partner-wall .logo-tile{height:72px;padding:12px 14px}
  body{font-size:14.5px}
  .section{padding:60px 0}
  .container{padding:0 20px}
  .main-nav{
    position:fixed;top:56px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--c-line);box-shadow:0 20px 40px rgba(6,42,92,.12);
    padding:12px 20px 20px;gap:2px;display:none;margin-left:0;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:13px 10px;font-size:15.5px;border-radius:10px}
  .main-nav a.active::after{display:none}
  .main-nav a.active{background:var(--c-mist)}
  /* 移动端保留主转化入口（需求文档 6.5：不得隐藏"成为合伙人"按钮） */
  .header-inner{gap:12px;padding:0 14px;height:56px}
  .brand img{height:32px}
  .brand-name{font-size:18px}
  .brand-name small{font-size:8px;letter-spacing:.14em}
  .header-cta{display:inline-flex;height:34px;padding:0 13px;font-size:13px;margin-left:auto;flex-shrink:0}
  .nav-toggle{margin-left:0}
  .nav-toggle{display:flex}
  .hero{min-height:560px;height:auto;padding-top:30px;padding-bottom:76px}
  .hero-slide{position:absolute}
  .slide-content{justify-content:center}
  .slide-content h1,.s1 h2.is-cn{font-size:37px}
  .slide-content h2{font-size:31px}
  .slide-en{font-size:13.5px;letter-spacing:.22em}
  .slide-motto{font-size:15.5px}
  .slide-desc{font-size:14px}
  .slide-btns{margin-top:26px;gap:12px}
  .slide-btns .btn{height:44px;padding:0 22px;font-size:14px;flex:1;min-width:150px}
  .hero-arrow{display:none}
  .stat-grid{padding:24px 20px;gap:22px 12px}
  .stat-item .num{font-size:30px}
  .stat-item:nth-child(2n+1)::before{display:none}
  .sec-head h2{font-size:27px}
  .sec-head{margin-bottom:36px}
  .grid-3,.grid-6,.grid-2,.grid-4{grid-template-columns:1fr}
  .step-flow,.chain-flow{grid-template-columns:1fr}
  .benefit-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 28px}
  .cta-band h3{font-size:24px}
  .page-hero{padding:52px 0 68px}
  .page-hero h1{font-size:30px}
  .timeline::before{left:20px}
  .tl-row{grid-template-columns:20px 1fr;gap:0 14px}
  .tl-year{grid-column:2;text-align:left;font-size:19px;padding-top:0;order:0}
  .tl-dot{grid-column:1;grid-row:1/3;padding-top:4px}
  .tl-card{margin-top:10px}
  .tl-row{grid-template-columns:20px 1fr}
  .tl-year{grid-row:1}
  .footer-top{grid-template-columns:1fr;gap:30px;padding:48px 20px 32px}
  .token-banner{padding:46px 26px}
  .token-banner h3{font-size:24px}
  .contact-card,.form-card,.help-col{padding:26px 22px}
  .form-grid,.form-card .qxy-form-grid{grid-template-columns:1fr}
  .float-contact{right:14px;bottom:18px}
  .float-contact a,.float-contact button{width:48px;height:48px}
}

/* ==========================================================
   落地页设计升级层（v2）· 更强的层次感与科技氛围
   ========================================================== */

/* ---------- Hero：网格底纹 + 极光氛围 ---------- */
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(140,190,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(140,190,255,.07) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 90% 80% at 30% 40%,#000 30%,transparent 78%);
  mask-image:radial-gradient(ellipse 90% 80% at 30% 40%,#000 30%,transparent 78%);
}
.hero::after{
  content:"";position:absolute;z-index:1;pointer-events:none;
  width:820px;height:820px;border-radius:50%;left:-260px;top:-320px;
  background:radial-gradient(circle,rgba(46,155,255,.30),rgba(46,155,255,.08) 45%,transparent 68%);
  animation:heroGlow 9s ease-in-out infinite alternate;
}
@keyframes heroGlow{
  0%{transform:translate(0,0) scale(1);opacity:.85}
  100%{transform:translate(120px,60px) scale(1.18);opacity:1}
}
.hero-orbs{position:absolute;inset:0;z-index:2;pointer-events:none;overflow:hidden}
.hero-orbs .orb{
  position:absolute;border-radius:50%;filter:blur(2px);
  background:radial-gradient(circle at 32% 30%,rgba(255,255,255,.9),rgba(130,200,255,.35) 55%,transparent 75%);
  opacity:.5;animation:orbFloat 8s ease-in-out infinite;
}
.hero-orbs .o1{width:120px;height:120px;left:16%;bottom:22%;animation-delay:0s}
.hero-orbs .o2{width:56px;height:56px;left:46%;top:24%;animation-delay:-2.6s;opacity:.35}
.hero-orbs .o3{width:88px;height:88px;right:14%;top:34%;animation-delay:-5s;opacity:.3}
@keyframes orbFloat{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-26px)}
}
/* 把内容对齐到 .container（最大 1200px 居中）的左边界。
   原写法是 max(24px, calc((100vw - 1200px)/2 + 24px))，配合已删除的
   max-width:1200px 会把内容区挤窄（见第 119 行附近的说明）；
   容器保持整宽后，用 50vw-576px 得到同样的对齐位置，但不吃内容宽度。 */
.slide-content{padding-left:max(24px, 50vw - 576px)}
.slide-tag::before{
  content:"";width:7px;height:7px;border-radius:50%;background:#6FCCFF;
  box-shadow:0 0 0 0 rgba(111,204,255,.55);animation:tagPulse 2.2s infinite;
}
@keyframes tagPulse{
  0%{box-shadow:0 0 0 0 rgba(111,204,255,.55)}
  70%{box-shadow:0 0 0 9px rgba(111,204,255,0)}
  100%{box-shadow:0 0 0 0 rgba(111,204,255,0)}
}
.slide-content h1{font-size:clamp(44px,5.6vw,72px);letter-spacing:.02em}
.slide-content h1 .hl{
  font-style:normal;
  background:linear-gradient(100deg,#8FD4FF 0%,#63C6FF 40%,#B7E6FF 80%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.slide-content h2{font-size:clamp(38px,4.6vw,58px)}
.slide-en{letter-spacing:.42em}
.slide-motto{display:inline-flex;align-items:center;gap:12px}
.slide-motto::before{content:"";width:34px;height:2px;border-radius:2px;background:linear-gradient(90deg,#63C6FF,transparent)}
.slide-btns .btn-primary{
  position:relative;overflow:hidden;
}
.slide-btns .btn-primary::after{
  content:"";position:absolute;top:0;left:-80%;width:50%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);
  transform:skewX(-22deg);animation:btnSheen 3.4s ease-in-out infinite;
}
@keyframes btnSheen{0%{left:-80%}55%,100%{left:130%}}
.hero-dots button.active{background:linear-gradient(90deg,#63C6FF,#fff)}

/* ---------- 数据条：玻璃拟态 + 强调线 ---------- */
.stat-strip{margin-top:-76px}
.stat-grid{position:relative;overflow:hidden;padding:34px 34px 30px;border-radius:20px}
.stat-grid::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,transparent,#2E9BFF 30%,#63C6FF 70%,transparent);
}
.stat-item{transition:transform .3s ease}
.stat-item:hover{transform:translateY(-4px)}
.stat-item .num{font-size:40px;letter-spacing:.01em}
.stat-item .num::after{
  content:"";display:block;width:26px;height:3px;border-radius:2px;margin:10px auto 0;
  background:linear-gradient(90deg,#2E9BFF,#63C6FF);opacity:0;transform:scaleX(0);transition:.35s;
}
.stat-item:hover .num::after{opacity:1;transform:scaleX(1)}

/* ---------- 区块标题：装饰性渐变下划线 ---------- */
.sec-head h2{position:relative;display:inline-block;padding-bottom:18px}
.sec-head h2::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:0;
  width:56px;height:4px;border-radius:3px;
  background:linear-gradient(90deg,#2E9BFF,#63C6FF);
}
.sec-head .kicker::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--c-sky);
}

/* ---------- 卡片：顶部渐变流光 + 悬浮扫光 ---------- */
.card::after{
  content:"";position:absolute;top:0;left:-90%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(120,190,255,.14),transparent);
  transform:skewX(-20deg);transition:none;pointer-events:none;
}
.card:hover::after{animation:cardSheen .9s ease forwards}
@keyframes cardSheen{to{left:140%}}
.card-topbar::before{background-size:200% 100%;animation:barFlow 4.5s linear infinite}
@keyframes barFlow{to{background-position:200% 0}}
.card:hover .card-icon{
  background:var(--grad-btn);color:#fff;
  box-shadow:0 10px 22px rgba(46,155,255,.38);transform:translateY(-2px) scale(1.04);
}
.card-icon{transition:.35s ease}

/* ---------- 编号卡片：右上年份式大水印 ---------- */
.num-card{position:relative}
.num-card .no{
  position:absolute;top:16px;right:20px;margin:0;
  font-size:52px;line-height:1;opacity:.10;letter-spacing:0;
}
.num-card:hover .no{opacity:.2}

/* ---------- 合作伙伴墙：更轻盈的质感 ---------- */
.partner-wall .logo-tile{overflow:hidden}
.partner-wall .logo-tile img{transition:transform .3s ease}
.partner-wall .logo-tile:hover img{transform:scale(1.06)}

/* ---------- CTA：流光渐变背景 ---------- */
.cta-band{background-size:180% 180%;animation:ctaShift 10s ease-in-out infinite alternate}
@keyframes ctaShift{to{background-position:100% 100%}}
.cta-band h3{text-shadow:0 2px 18px rgba(4,22,50,.25)}

/* ---------- 页脚微调 ---------- */
.site-footer{position:relative}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,rgba(46,155,255,.5),transparent);
}

/* ---------- 响应式补充 ---------- */
@media (max-width:1080px){
  .hero::after{width:560px;height:560px;left:-200px;top:-240px}
  .hero-orbs .o1{left:8%}
}
@media (max-width:760px){
  .hero::before{opacity:.35}
  .hero-orbs{display:none}
  .stat-grid::before{height:2px}
  .stat-item .num{font-size:32px}
  .num-card .no{font-size:42px;top:12px;right:16px}
}
@media (prefers-reduced-motion: reduce){
  .hero::after,.hero-orbs .orb,.slide-btns .btn-primary::after,
  .card-topbar::before,.cta-band{animation:none}
}

/* ==========================================================
   内页设计升级（v3）· 与首页统一视觉语言
   ========================================================== */

/* ---------- 内页 Hero：网格 + 光晕 + 装饰光球 ---------- */
.page-hero{padding:78px 0 92px}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:0;opacity:.55;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 100% 90% at 25% 45%,#000 30%,transparent 80%);
  mask-image:radial-gradient(ellipse 100% 90% at 25% 45%,#000 30%,transparent 80%);
}
.page-hero::after{
  content:"";position:absolute;width:640px;height:640px;border-radius:50%;right:-180px;top:-260px;
  background:radial-gradient(circle,rgba(120,200,255,.42),rgba(120,200,255,.10) 45%,transparent 68%);
  animation:heroGlow 9s ease-in-out infinite alternate;
}
.page-hero .crumb{
  display:inline-flex;align-items:center;gap:9px;
  padding:6px 16px;border-radius:999px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.24);
  color:#BFE0FF;letter-spacing:.18em;backdrop-filter:blur(6px);
}
.page-hero .crumb::before{
  content:"";width:7px;height:7px;border-radius:50%;background:#7FCBFF;
  box-shadow:0 0 0 0 rgba(127,203,255,.6);animation:tagPulse 2.4s infinite;
}
.page-hero h1{font-size:clamp(30px,3.6vw,48px);letter-spacing:.01em;text-shadow:0 4px 28px rgba(4,22,50,.32)}
.page-hero p{max-width:760px}
.page-hero .en{position:relative;padding-left:40px}
.page-hero .en::before{
  content:"";position:absolute;left:0;top:50%;width:28px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,rgba(255,255,255,.75),transparent);
}
.page-hero .hero-orbs{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}

/* ---------- 时间轴 / 步骤流：统一质感 ---------- */
.step-item{position:relative;overflow:hidden}
.step-item::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,transparent,#2E9BFF,#63C6FF,transparent);
  opacity:0;transition:opacity .3s ease;
}
.step-item:hover::before{opacity:1}
.step-item .no{transition:.35s ease}
.step-item:hover .no{transform:translateY(-4px) scale(1.06);box-shadow:0 12px 26px rgba(46,155,255,.46)}
.chain-item{overflow:hidden}
.chain-item::after{
  content:"";position:absolute;top:0;left:-90%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(120,190,255,.16),transparent);
  transform:skewX(-20deg);pointer-events:none;
}
.chain-item:hover::after{animation:cardSheen .9s ease forwards}
.tl-card{position:relative}
.tl-card::before{content:"";position:absolute;left:0;top:20%;bottom:20%;width:3px;border-radius:3px;background:linear-gradient(180deg,#2E9BFF,#63C6FF);opacity:0;transition:.3s}
.tl-card:hover::before{opacity:1}
.tl-card:hover{transform:translateX(6px)}

/* ---------- 权益卡 / 模式卡 / 产品卡：统一流光 ---------- */
.benefit-card,.mode-card,.product-card,.pain-card,.help-col,.partner-card,.cert-card,.profile-card{
  position:relative;overflow:hidden;
}
.benefit-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,transparent,#2E9BFF,#63C6FF,transparent);
  transform:scaleX(0);transition:transform .4s ease;
}
.benefit-card:hover::before{transform:scaleX(1)}
.benefit-card .val{transition:.3s ease}
.benefit-card:hover .val{transform:scale(1.05)}

/* ---------- 帮助中心 ---------- */
.help-col .hc-head .hi{transition:.35s ease}
.help-col:hover .hc-head .hi{background:var(--grad-btn);box-shadow:0 10px 22px rgba(46,155,255,.38);transform:translateY(-2px) scale(1.04)}
.help-list li{transition:padding-left .25s ease,background .25s ease}
.help-list li:hover{padding-left:6px;background:linear-gradient(90deg,rgba(46,155,255,.06),transparent)}

/* ---------- 表单卡 / 联系卡 ---------- */
.contact-card,.form-card{transition:box-shadow .3s ease,transform .3s ease}
.contact-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}

/* ---------- 内页 Hero 响应式 ---------- */
@media (max-width:760px){
  .page-hero{padding:56px 0 72px}
  .page-hero::before{opacity:.35}
  .page-hero::after{width:380px;height:380px;right:-140px;top:-160px}
  .page-hero .en{padding-left:30px}
  .page-hero .en::before{width:20px}
  .page-hero .crumb{font-size:11.5px;padding:5px 13px;letter-spacing:.14em}
}

/* ==========================================================
   收益测算计算器（product 页）
   ========================================================== */
.calc-wrap{
  display:grid;grid-template-columns:1fr 1.25fr;gap:26px;align-items:start;
}
.calc-panel{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-block);
  padding:32px 30px;box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.calc-panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,#2E9BFF,#63C6FF);
}
.calc-field{margin-bottom:26px}
.calc-field:last-child{margin-bottom:0}
.calc-field > label{
  display:block;font-size:14px;font-weight:700;color:var(--c-ink);
  margin-bottom:10px;letter-spacing:.02em;
}
.calc-field select,
.calc-field input[type="number"]{
  width:100%;height:48px;border-radius:12px;border:1.5px solid var(--c-line);
  background:#F8FCFF;color:var(--c-ink);padding:0 16px;font-size:14.5px;
  font-family:inherit;outline:none;transition:.22s;
}
.calc-field select{appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%230A66E8' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;padding-right:44px;
}
.calc-field select:focus,.calc-field input[type="number"]:focus{
  border-color:var(--c-sky);background:#fff;box-shadow:0 0 0 4px rgba(46,155,255,.12);
}
.calc-stepper{display:flex;align-items:center;gap:10px}
.calc-stepper button{
  flex-shrink:0;width:48px;height:48px;border-radius:12px;
  border:1.5px solid var(--c-line);background:#F8FCFF;color:var(--c-blue);
  font-size:20px;font-weight:700;line-height:1;transition:.2s;
}
.calc-stepper button:hover{background:var(--grad-btn);color:#fff;border-color:transparent}
.calc-stepper input[type="number"]{text-align:center;font-weight:700;font-size:17px}
.calc-stepper input::-webkit-outer-spin-button,
.calc-stepper input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.calc-stepper input[type="number"]{-moz-appearance:textfield;appearance:textfield}
.calc-quick{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.calc-quick button{
  padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:600;
  color:var(--c-ink2);background:var(--c-mist);border:1px solid var(--c-line);transition:.2s;
}
.calc-quick button:hover{color:var(--c-blue);border-color:var(--c-sky);background:#fff}
.calc-seg{display:flex;gap:8px;flex-wrap:wrap}
.calc-seg button{
  flex:1;min-width:70px;height:44px;border-radius:12px;font-size:14px;font-weight:600;
  color:var(--c-ink2);background:#F8FCFF;border:1.5px solid var(--c-line);transition:.22s;
}
.calc-seg button:hover{border-color:var(--c-sky);color:var(--c-blue)}
.calc-seg button.active{
  background:var(--grad-btn);color:#fff;border-color:transparent;
  box-shadow:0 8px 20px rgba(46,155,255,.32);
}

/* 结果面板 */
.calc-result{
  background:linear-gradient(160deg,#062A5C 0%,#08397F 42%,#0A66E8 100%);
  border-radius:var(--r-block);padding:32px 30px;color:#fff;
  position:relative;overflow:hidden;box-shadow:var(--shadow-lg);
}
.calc-result::before{
  content:"";position:absolute;inset:0;opacity:.4;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 70% 20%,#000 25%,transparent 78%);
  mask-image:radial-gradient(ellipse 90% 70% at 70% 20%,#000 25%,transparent 78%);
}
.calc-result::after{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  right:-140px;top:-200px;pointer-events:none;
  background:radial-gradient(circle,rgba(120,200,255,.4),transparent 62%);
}
.calc-result-head{
  position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;
  gap:14px;flex-wrap:wrap;padding-bottom:18px;margin-bottom:22px;
  border-bottom:1px solid rgba(255,255,255,.16);
}
.cr-tag{
  font-size:12px;font-weight:700;letter-spacing:.14em;color:#062A5C;
  background:#9CD2FF;border-radius:999px;padding:5px 14px;
}
.cr-model{font-size:16px;font-weight:700;color:#E4F1FF}
.calc-kpi{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.kpi-card{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:14px;padding:18px 20px;backdrop-filter:blur(6px);transition:.28s;
}
.kpi-card:hover{background:rgba(255,255,255,.14);transform:translateY(-3px)}
.kpi-card.kpi-primary{background:rgba(255,255,255,.95);border-color:transparent}
.kpi-card.kpi-primary .kpi-lbl{color:var(--c-ink2)}
.kpi-card.kpi-primary .kpi-val{color:var(--c-deep)}
.kpi-card.kpi-primary .kpi-sub{color:#6B87AB}
.kpi-card.kpi-accent{
  border-color:rgba(120,200,255,.5);
  background:linear-gradient(135deg,rgba(46,155,255,.28),rgba(99,198,255,.14));
}
.kpi-lbl{font-size:12.5px;color:#B4D2F5;font-weight:600;letter-spacing:.03em}
.kpi-val{
  font-size:27px;font-weight:800;line-height:1.25;margin-top:8px;
  color:#fff;letter-spacing:.01em;font-variant-numeric:tabular-nums;
  transition:color .2s ease;
}
.kpi-val.up{color:#8FE3B0}
.kpi-val.flash{animation:kpiFlash .5s ease}
@keyframes kpiFlash{0%{transform:scale(1)}45%{transform:scale(1.055)}100%{transform:scale(1)}}
.kpi-sub{font-size:12px;color:#A6C6EA;margin-top:6px;line-height:1.5}

.calc-extra{
  position:relative;z-index:1;margin-top:20px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.16);display:grid;gap:11px;
}
.ex-item{display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:14px}
.ex-k{color:#B4D2F5}
.ex-v{font-weight:700;color:#fff;font-variant-numeric:tabular-nums}
.calc-actions{
  position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;margin-top:24px;
}
.calc-actions .btn{flex:1;min-width:150px}
.calc-actions .btn-primary{background:#fff;color:var(--c-blue);box-shadow:0 10px 26px rgba(4,22,50,.3)}
.calc-actions .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.calc-actions .btn-outline:hover{background:rgba(255,255,255,.14)}

@media (max-width:1080px){
  .calc-wrap{grid-template-columns:1fr}
}
@media (max-width:760px){
  .calc-panel,.calc-result{padding:26px 22px}
  .calc-kpi{grid-template-columns:1fr}
  .kpi-val{font-size:24px}
  .calc-actions .btn{min-width:0}
}

/* 计算器：负值提示与说明条 */
.ex-v.neg{color:#FFC97A}
.calc-hint{
  position:relative;z-index:1;margin-top:18px;padding:13px 16px;
  border-radius:12px;font-size:12.5px;line-height:1.65;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#B4D2F5;
}
.calc-hint b{color:#fff;font-weight:700}
.calc-hint .hint-pos{display:none}
.calc-hint.ok{background:rgba(46,200,120,.16);border-color:rgba(120,230,175,.34);color:#C6F0DC}
.calc-hint.ok .hint-neg{display:none}
.calc-hint.ok .hint-pos{display:inline}
.calc-hint.ok b{color:#8FE3B0}

/* ==========================================================
   背景层次升级（v4）· 全站统一
   目标：打破全白单调，加入极淡的渐变 / 网格 / 光晕层次
   原则：低对比、不影响正文可读性、深色区不受影响
   ========================================================== */

/* ---------- 1. 页面级底色：极淡多层渐变（固定不随滚动） ---------- */
body{
  background-color:#FBFDFF;
  background-image:
    radial-gradient(1100px 620px at 88% -120px, rgba(46,155,255,.10), transparent 62%),
    radial-gradient(880px 540px at -120px 26%, rgba(99,198,255,.09), transparent 60%),
    radial-gradient(760px 520px at 108% 62%, rgba(10,102,232,.055), transparent 58%),
    linear-gradient(180deg,#F7FBFF 0%,#FDFEFF 42%,#F8FCFF 100%);
  background-attachment:fixed;
  background-repeat:no-repeat;
}

/* ---------- 2. 极淡点阵纹理层（置于内容之下） ---------- */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:radial-gradient(rgba(8,57,127,.055) 1px, transparent 1.4px);
  background-size:26px 26px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.75) 0%,rgba(0,0,0,.28) 34%,rgba(0,0,0,.75) 100%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.75) 0%,rgba(0,0,0,.28) 34%,rgba(0,0,0,.75) 100%);
  opacity:.55;
}

/* ---------- 3. 40px 细分网格（更淡，叠加出“工程感”） ---------- */
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(90deg, rgba(8,57,127,.032) 1px, transparent 1px),
    linear-gradient(0deg,  rgba(8,57,127,.032) 1px, transparent 1px);
  background-size:40px 40px;
  -webkit-mask-image:radial-gradient(1200px 760px at 50% 0%, rgba(0,0,0,.9), transparent 78%);
  mask-image:radial-gradient(1200px 760px at 50% 0%, rgba(0,0,0,.9), transparent 78%);
  opacity:.6;
}

/* 内容层必须浮在背景纹理之上
   注意：.site-header（吸顶导航）、.float-contact（悬浮咨询）必须保持 position:fixed，
   不得在此改写为 relative，否则会掉回文档流 */
#header,.main-nav,.page-hero,main,.section,.footer,.site-footer{
  position:relative;z-index:1;
}
/* main 自身建立独立层叠上下文，避免子元素逐个提层 */
main{z-index:1}
main > *{position:relative;z-index:1}
/* hero 轮播层：维持绝对定位叠层，仅提升层级 */
.hero{z-index:1}
.hero-slide{z-index:1}
/* 吸顶导航：维持 fixed，仅提升层级 */
.site-header{z-index:100}

/* ---------- 4. 普通浅色 section：从“全白块”变为“浮起的玻璃卡片层” ---------- */
.section{background:transparent}
.section > .container{position:relative;z-index:1}
.section-tint{
  background:
    linear-gradient(180deg, rgba(234,244,255,.62) 0%, rgba(255,255,255,.42) 100%);
  border-top:1px solid rgba(220,235,250,.9);
  border-bottom:1px solid rgba(220,235,250,.9);
  position:relative;
}
.section-tint::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(760px 320px at 12% 0%, rgba(46,155,255,.08), transparent 66%);
}
.section-tint > *{position:relative;z-index:1}

/* 深色区保持高对比，仅加一层极淡光晕提升质感 */
.section-deep{
  background:
    radial-gradient(900px 460px at 86% 0%, rgba(46,155,255,.20), transparent 62%),
    radial-gradient(700px 420px at 4% 100%, rgba(10,102,232,.18), transparent 60%),
    linear-gradient(160deg,#062A5C 0%,#08397F 58%,#0A4EA8 100%);
  position:relative;
}
.section-deep > *{position:relative;z-index:1}

/* ---------- 5. 首页 Hero 下方与内容区的柔和过渡 ---------- */
.hero-slide{background-color:var(--c-deep)}

/* 卡片在半透明背景上补一层极淡投影，保证“浮起”层次 */
.section .card,.section .product-card,.section .pain-card,.section .help-col,.section .contact-card,.section .form-card{
  background:#fff;
}

/* 修复：上面的白底规则权重高于 .form-card，会把「提交合作意向」卡片刷成白底，
   而卡内文字是 .form-card 定义的白色 → 白字白底，表单内容完全看不见。
   这里把表单卡片的蓝色渐变底还原回来。 */
.section .form-card{
  background:var(--grad-main);
  background-image:var(--grad-main);
  color:#fff;
}
/* 卡片内所有文字在蓝底上保持可见 */
.section .form-card>p{color:#C6DFFB}
.section .form-card .privacy{color:#BFDCFB}
.section .form-card h3{color:#fff}

/* ---------- 6. 响应式自适应加强 ---------- */
/* 中屏：收紧栅格与留白 */
@media (max-width:1080px){
  body{background-attachment:scroll}
  body::before{background-size:22px 22px}
  body::after{background-size:34px 34px}
}
/* 平板/小屏：降低纹理密度，避免糊屏 */
@media (max-width:900px){
  .section{padding:70px 0}
  .sec-head{margin-bottom:42px}
  .sec-head h2{font-size:30px}
}
/* 手机：几乎关闭网格，仅保留渐变层次，保证清爽与性能 */
@media (max-width:760px){
  body{background-attachment:scroll;background-image:
    radial-gradient(620px 380px at 100% -60px, rgba(46,155,255,.10), transparent 64%),
    linear-gradient(180deg,#F8FCFF 0%,#FDFEFF 100%);}
  body::before{opacity:.34;background-size:20px 20px}
  body::after{opacity:.30;background-size:30px 30px}
  .section{padding:58px 0}
  .sec-head h2{font-size:26px}
  .sec-head p{font-size:14.5px}
}
/* 超小屏：彻底去掉网格纹理 */
@media (max-width:420px){
  body::before,body::after{display:none}
  .sec-head h2{font-size:23px}
}

/* 减弱动效偏好：不做任何动画相关背景处理 */
@media (prefers-reduced-motion: reduce){
  body{background-attachment:scroll}
}

/* 辅助：让全站图片/表格/内联元素在窄屏下自适应 */
@media (max-width:760px){
  table{display:block;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
  iframe,video{max-width:100%}
  .btn{white-space:normal}
  h1,h2,h3{overflow-wrap:break-word;word-break:break-word}
}

/* 大屏：放大留白，让背景层次呼吸感更强 */
@media (min-width:1500px){
  .container{max-width:1280px}
  .section{padding:96px 0}
}

/* ---------- v6：去除子标题英文标签 ----------
   区块小标题胶囊（kicker）与内页 Hero 英文副标题（.en）按要求隐藏；
   页脚品牌英文名（footer .en）保留 */
.kicker{display:none!important}
.page-hero .en{display:none}

/* ---------- v8：联系卡二维码 ---------- */
.contact-qr{
  display:flex;gap:18px;margin-top:20px;padding-top:20px;
  border-top:1px dashed var(--c-line);
}
.qr-item{flex:1;text-align:center}
.qr-item img{
  width:118px;height:118px;object-fit:cover;border-radius:14px;
  border:1px solid var(--c-line);background:#fff;padding:6px;
  margin:0 auto;display:block;box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease;
}
.qr-item:hover img{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.qr-item b{display:block;margin-top:10px;font-size:14px;color:var(--c-ink)}
.qr-item span{display:block;margin-top:2px;font-size:12px;color:var(--c-ink2)}
@media (max-width:760px){
  .contact-qr{gap:12px}
  .qr-item img{width:104px;height:104px}
}

/* ---------- v11：合伙人二维码弹窗 ---------- */
.qr-modal{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;padding:24px;visibility:hidden;opacity:0;transition:opacity .25s ease,visibility .25s ease}
.qr-modal.open{visibility:visible;opacity:1}
.qr-modal-mask{position:absolute;inset:0;background:rgba(4,22,50,.66);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.qr-modal-box{
  position:relative;z-index:1;background:#fff;border-radius:var(--r-block);
  padding:34px 34px 28px;max-width:340px;width:100%;text-align:center;
  box-shadow:0 30px 80px rgba(4,22,50,.35);
  transform:translateY(16px) scale(.97);transition:transform .25s ease;
}
.qr-modal.open .qr-modal-box{transform:none}
.qr-modal-close{
  position:absolute;top:10px;right:12px;width:36px;height:36px;border-radius:50%;
  font-size:22px;line-height:1;color:var(--c-ink2);transition:.2s;
}
.qr-modal-close:hover{background:var(--c-mist);color:var(--c-deep)}
.qr-modal-head b{display:block;font-size:20px;font-weight:800;color:var(--c-deep)}
.qr-modal-head span{display:block;margin-top:6px;font-size:12.5px;color:var(--c-ink2)}
.qr-modal-img{
  display:block;width:216px;height:216px;object-fit:cover;margin:18px auto 0;
  border-radius:16px;border:1px solid var(--c-line);background:#fff;padding:8px;
}
.qr-modal-tip{margin-top:14px;font-size:12.5px;color:var(--c-ink2);line-height:1.6}
@media (max-width:420px){
  .qr-modal-box{padding:26px 20px 22px}
  .qr-modal-img{width:184px;height:184px}
}

/* ---------- v13：帮助中心 · 镜像下载中心 ---------- */
.mirror-dl{
  margin-top:44px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,#F4FAFF 0%,#EAF4FF 100%);
  border:1px solid var(--c-line);border-radius:var(--r-block);
  padding:38px 42px;display:flex;flex-wrap:wrap;align-items:center;gap:26px;
  box-shadow:var(--shadow);
}
.mirror-dl::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  right:-160px;top:-200px;pointer-events:none;
  background:radial-gradient(circle,rgba(46,155,255,.16),transparent 64%);
}
.md-head{display:flex;align-items:center;gap:14px;position:relative;z-index:1}
.md-icon{
  width:52px;height:52px;border-radius:14px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;color:#fff;
  background:var(--grad-btn);box-shadow:0 10px 24px rgba(46,155,255,.34);
}
.md-icon svg{width:26px;height:26px}
.md-head h3{font-size:22px;font-weight:800;color:var(--c-deep);line-height:1.25}
.md-head small{display:block;margin-top:2px;font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--c-sky)}
.md-desc{
  flex:1 1 340px;min-width:260px;position:relative;z-index:1;
  font-size:14.5px;color:var(--c-ink2);line-height:1.75;
}
.md-list{
  flex:1 1 100%;display:flex;flex-wrap:wrap;gap:10px 22px;position:relative;z-index:1;
  margin-top:-4px;
}
.md-list li{
  position:relative;padding-left:20px;font-size:14px;color:var(--c-ink2);
}
.md-list li::before{
  content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;
  background:var(--grad-sky);
}
.md-actions{position:relative;z-index:1;flex-shrink:0}
.md-actions .btn{min-width:200px}
@media (max-width:900px){
  .mirror-dl{padding:30px 26px;gap:20px}
  .md-actions{flex:1 1 100%}
  .md-actions .btn{width:100%;min-width:0}
}
@media (max-width:760px){
  .mirror-dl{margin-top:34px;padding:26px 22px}
  .md-head h3{font-size:19px}
  .md-icon{width:46px;height:46px}
}

/* ===== v14 : help-list richer items (title + desc) ===== */
.help-list li{padding:14px 0}
.help-list li .hlt{display:flex;flex-direction:column;gap:4px;min-width:0}
.help-list li .hlt .t{font-size:14.5px;font-weight:700;color:#16324F;line-height:1.35}
.help-list li .hlt .d{font-size:12.8px;line-height:1.62;color:#5A7290}
.help-list li .hlt .d b{color:var(--c-blue);font-weight:700}
.help-list li .hlt .d .k{display:inline-block;padding:1px 7px;border-radius:6px;background:var(--c-mist);color:var(--c-navy);font-size:12px;font-weight:600}
.help-list .n{margin-top:1px}
@media (max-width:560px){
  .help-list li .hlt .t{font-size:14px}
  .help-list li .hlt .d{font-size:12.4px}
}

/* ===== v15 : help-col doc button + detail document modal ===== */
.hc-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--c-line)}
.btn.btn-doc{display:inline-flex;align-items:center;gap:9px;padding:11px 20px;border-radius:999px;
  border:1.5px solid var(--c-blue);background:linear-gradient(180deg,#fff,#F4F9FF);
  color:var(--c-blue);font-size:14px;font-weight:700;cursor:pointer;font-family:inherit;
  transition:.25s ease;width:100%;justify-content:center}
.btn.btn-doc svg{width:17px;height:17px}
.btn.btn-doc:hover{background:var(--grad-btn);color:#fff;border-color:transparent;
  box-shadow:0 10px 24px rgba(10,102,232,.32);transform:translateY(-2px)}

.doc-modal{position:fixed;inset:0;z-index:200;display:none}
.doc-modal.open{display:block}
.doc-modal[aria-hidden="false"] .dm-box{animation:dmIn .32s cubic-bezier(.22,1,.36,1)}
@keyframes dmIn{from{opacity:0;transform:translateY(22px) scale(.98)}to{opacity:1;transform:none}}
.dm-mask{position:absolute;inset:0;background:rgba(4,22,50,.62);backdrop-filter:blur(4px)}
.dm-box{position:relative;margin:5vh auto;width:min(940px,92vw);height:90vh;background:#fff;
  border-radius:20px;box-shadow:0 30px 80px rgba(4,22,50,.45);display:flex;flex-direction:column;overflow:hidden}
.dm-head{display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 22px;border-bottom:1px solid var(--c-line);background:linear-gradient(180deg,#F7FBFF,#fff);flex-shrink:0}
.dm-title{display:flex;align-items:center;gap:12px;min-width:0}
.dm-ic{width:40px;height:40px;border-radius:11px;background:var(--grad-sky);color:#fff;
  display:flex;align-items:center;justify-content:center;flex-shrink:0}
.dm-ic svg{width:21px;height:21px}
.dm-title h3{font-size:17.5px;font-weight:800;color:#062A5C;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dm-acts{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn.btn-doc-dl{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:999px;
  background:var(--grad-btn);color:#fff;font-size:13.5px;font-weight:700;transition:.22s ease}
.btn.btn-doc-dl svg{width:15px;height:15px}
.btn.btn-doc-dl:hover{box-shadow:0 8px 20px rgba(10,102,232,.35);transform:translateY(-1px)}
.dm-close{width:38px;height:38px;border-radius:50%;border:1px solid var(--c-line);background:#fff;
  color:#4E6B8A;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.22s ease;flex-shrink:0}
.dm-close svg{width:17px;height:17px}
.dm-close:hover{background:#F1F6FF;color:var(--c-blue);border-color:var(--c-sky)}
.dm-body{flex:1;overflow-y:auto;padding:28px 40px 44px;background:#FBFCFF}
.dm-body::-webkit-scrollbar{width:9px}
.dm-body::-webkit-scrollbar-thumb{background:#C9DCF3;border-radius:8px}
.dm-body::-webkit-scrollbar-thumb:hover{background:#A9C7EA}

/* --- detail document typography --- */
.dd-doc{max-width:760px;margin:0 auto;color:#2C4160;line-height:1.78;font-size:14.6px}
.dd-step{position:relative;margin:34px 0 14px;padding:9px 0 9px 16px;font-size:17px;font-weight:800;color:#062A5C;
  border-left:4px solid var(--c-blue);background:linear-gradient(90deg,var(--c-mist),transparent)}
.dd-step:first-child{margin-top:4px}
.dd-sub{font-weight:700;color:#123A6B;margin:20px 0 8px}
.dd-p{margin:9px 0;color:#3D5573}
.dd-num{margin:8px 0 8px 4px;color:#3D5573}
.dd-num b{display:inline-flex;width:21px;height:21px;border-radius:50%;background:var(--c-mist);
  color:var(--c-blue);font-size:12px;font-weight:800;align-items:center;justify-content:center;margin-right:7px}
.dd-link{margin:12px 0}
.dd-link a{display:inline-block;padding:8px 15px;border-radius:9px;background:var(--c-mist);
  color:var(--c-blue);font-weight:700;word-break:break-all;transition:.2s}
.dd-link a:hover{background:var(--grad-btn);color:#fff}
.dd-cap{text-align:center;font-size:12.8px;color:#7A90AA;margin:-6px 0 16px;letter-spacing:.04em}
.dd-fig{margin:16px 0 22px;text-align:center}
.dd-fig img{max-width:100%;height:auto;border-radius:12px;border:1px solid var(--c-line);
  box-shadow:0 6px 22px rgba(8,57,127,.10);background:#fff}
.dd-fig figcaption{font-size:12.4px;color:#8AA0B8;margin-top:9px;letter-spacing:.03em}

@media (max-width:640px){
  .dm-box{width:96vw;height:94vh;margin:3vh auto;border-radius:16px}
  .dm-head{padding:13px 15px;gap:10px}
  .dm-title h3{font-size:15px}
  .dm-ic{width:34px;height:34px}
  .dm-ic svg{width:18px;height:18px}
  .btn.btn-doc-dl span{display:none}
  .btn.btn-doc-dl{padding:9px 12px}
  .dm-body{padding:20px 18px 34px}
  .dd-step{font-size:15.5px;margin:24px 0 11px}
  .dd-doc{font-size:14px}
}

/* ===== v17 : collapsible help steps + equal-height columns ===== */
.help-col{display:flex;flex-direction:column}
.help-col .help-list{flex:1}
.hc-foot{margin-top:auto}
.help-list li.step{cursor:pointer;position:relative;border-radius:10px;padding:14px 8px;
  transition:background .25s ease,padding .25s ease}
.help-list li.step:hover{background:linear-gradient(90deg,rgba(46,155,255,.08),rgba(46,155,255,.02));padding-left:12px}
.help-list li.step.open{background:linear-gradient(90deg,rgba(46,155,255,.07),transparent)}
.help-list li.step:focus-visible{outline:2px solid var(--c-sky);outline-offset:2px}
.help-list .hlt{flex:1;min-width:0;display:flex;flex-direction:column}
.help-list .hd{display:flex;align-items:center;justify-content:space-between;gap:12px}
.help-list .hd .t{font-size:14.5px;font-weight:700;color:#16324F;line-height:1.4;transition:color .22s}
.help-list li.step.open .hd .t{color:var(--c-blue)}
.help-list .cx{width:23px;height:23px;border-radius:50%;background:var(--c-mist);color:var(--c-blue);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  transition:transform .32s cubic-bezier(.4,0,.2,1),background .25s ease,color .25s ease}
.help-list .cx svg{width:13px;height:13px}
.help-list li.step:hover .cx{background:#D8E9FF}
.help-list li.step.open .cx{transform:rotate(180deg);background:var(--grad-btn);color:#fff;
  box-shadow:0 6px 14px rgba(46,155,255,.34)}
.help-list .d{display:block;max-height:0;overflow:hidden;opacity:0;margin-top:0;
  transition:max-height .36s cubic-bezier(.4,0,.2,1),opacity .3s ease,margin-top .3s ease}
.help-list li.step.open .d{opacity:1;margin-top:7px}
@media (max-width:560px){
  .help-list li.step{padding:13px 6px}
  .help-list .hd .t{font-size:14px}
  .help-list .cx{width:21px;height:21px}
}