/* =========================================================================
   百昔电子合同落地页 · 响应式专属样式
   基于 wap.css 设计系统，移动优先 + 768px 桌面断点
   设计方向：从「焦虑驱动」升级为「问题→方案」自信现代风
   ========================================================================= */

/* ---------- 0. 桌面端导航覆盖 ---------- */
@media (min-width:768px){
  .nav-item{display:flex!important;align-items:center;gap:2px;margin-left:auto}
  .nav-item a{position:relative;padding:8px 16px;font-size:14px;font-weight:500;color:rgba(232,222,208,.7);border-radius:8px;transition:color .3s var(--ease),background .3s var(--ease)}
  .nav-item a:hover{color:#fff;background:rgba(196,149,106,.1)}
  .nav-item a.on{color:#E8C4A0;font-weight:600}
  .nav-item a.on::after{content:"";position:absolute;left:16px;right:16px;bottom:-2px;height:2px;border-radius:2px;background:linear-gradient(90deg,transparent,var(--brand),transparent)}
  .top-cta{display:flex!important;align-items:center;gap:10px;margin-left:8px}
  .top-cta .zixun{height:38px;padding:0 22px;border-radius:999px;background:linear-gradient(135deg,var(--brand) 0%,var(--brand-600) 100%);color:#fff;font-weight:600;font-size:14px;display:inline-flex;align-items:center;box-shadow:0 4px 16px -4px rgba(196,149,106,.5);transition:transform .3s var(--ease)}
  .top-cta .zixun:hover{transform:translateY(-1px)}
  .top-cta .login{height:38px;padding:0 18px;border-radius:999px;border:1px solid rgba(232,222,208,.2);color:rgba(232,222,208,.9);font-weight:600;font-size:14px;display:inline-flex;align-items:center;background:rgba(255,255,255,.03);transition:border-color .3s,color .3s}
  .top-cta .login:hover{border-color:rgba(196,149,106,.5);color:#fff}
  .nav-toggle{display:none!important}
  .wap-tabbar{display:none!important}
  body{padding-bottom:0!important}
  .top_content .content{height:64px!important}
}

/* ---------- 1. Hero · 问题→方案 ---------- */
.esign-hero{
  position:relative;overflow:hidden;background:var(--ink-900);color:#fff;
  padding:56px 0 48px;isolation:isolate;
}
@media(min-width:768px){
  .esign-hero{padding:88px 0 80px}
  .esign-hero .container{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
}
.esign-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:
    radial-gradient(ellipse 70% 60% at 80% 15%,rgba(196,149,106,.35),transparent 60%),
    radial-gradient(ellipse 50% 50% at 10% 85%,rgba(166,123,91,.22),transparent 55%),
    linear-gradient(165deg,#2A1F1A 0%,#3D2E26 50%,#4A3528 100%);
}
.esign-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(rgba(196,149,106,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(196,149,106,.05) 1px,transparent 1px);
  background-size:42px 42px;
  mask-image:radial-gradient(70% 70% at 50% 30%,#000,transparent 75%);
  -webkit-mask-image:radial-gradient(70% 70% at 50% 30%,#000,transparent 75%);
  opacity:.6;pointer-events:none;
}
.esign-hero .hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;
  background:rgba(196,149,106,.15);border:1px solid rgba(196,149,106,.3);
  font-size:12px;font-weight:600;color:#E8C4A0;letter-spacing:.06em;margin-bottom:18px;
  animation:esign-rise 700ms var(--ease) both;
}
.esign-hero .hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);animation:esign-pulse 2.5s ease-in-out infinite}
.esign-hero h1{
  font-family:var(--font-display);font-size:clamp(1.6rem,5vw,2rem);font-weight:800;
  line-height:1.25;letter-spacing:-.02em;
  animation:esign-rise 700ms var(--ease) .08s both;
}
@media(min-width:480px){.esign-hero h1{font-size:clamp(1.8rem,4vw,2.2rem)}}
@media(min-width:768px){.esign-hero h1{font-size:clamp(2.1rem,4.6vw,3.2rem);line-height:1.18}}
.esign-hero h1 .hl{
  background:linear-gradient(120deg,#E8C4A0 0%,#C4956A 50%,#A67B5B 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;
}
.esign-hero h1 .alert{color:#FF8A8A}
.esign-hero .hero-lead{
  margin-top:16px;color:rgba(232,222,208,.82);font-size:.98rem;line-height:1.7;max-width:46ch;
  animation:esign-rise 700ms var(--ease) .16s both;
}
@media(min-width:768px){.esign-hero .hero-lead{font-size:1.05rem;max-width:520px}}
.esign-hero .hero-actions{
  display:flex;gap:12px;margin-top:28px;flex-wrap:wrap;
  animation:esign-rise 700ms var(--ease) .24s both;
}
.esign-hero .hero-actions .btn{flex:1 1 auto;min-width:140px}
@media(min-width:480px){.esign-hero .hero-actions .btn{flex:0 0 auto}}

/* Hero 右侧视觉区（桌面） */
.esign-hero-visual{display:none}
@media(min-width:768px){
  .esign-hero-visual{
    display:block;position:relative;height:360px;
    animation:esign-rise 800ms var(--ease) .3s both;
  }
}
.esign-hero-card{
  position:absolute;border-radius:16px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  padding:16px 20px;box-shadow:0 12px 36px rgba(0,0,0,.25);
  transition:transform .4s var(--ease),border-color .4s var(--ease);
}
.esign-hero-card:hover{border-color:rgba(196,149,106,.5);transform:translateY(-4px)}
.esign-hero-card .hc-icon{width:36px;height:36px;border-radius:10px;background:rgba(196,149,106,.18);color:#E8C4A0;display:flex;align-items:center;justify-content:center;margin-bottom:10px}
.esign-hero-card .hc-label{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:rgba(232,222,208,.55);font-weight:600}
.esign-hero-card .hc-value{font-size:1.3rem;font-weight:800;color:#fff;margin-top:4px;line-height:1.2}
.esign-hero-card.c1{top:0;left:0;width:180px;animation:esign-float 7s ease-in-out infinite}
.esign-hero-card.c2{top:38%;right:0;width:165px;animation:esign-float 8s ease-in-out infinite 1.2s}
.esign-hero-card.c3{bottom:0;left:28%;width:155px;animation:esign-float 9s ease-in-out infinite .6s}
.esign-hero-orb{
  position:absolute;top:50%;left:50%;width:200px;height:200px;
  transform:translate(-50%,-50%);border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(196,149,106,.4),transparent 70%);
  filter:blur(8px);z-index:-1;pointer-events:none;
  animation:esign-pulse 8s ease-in-out infinite;
}

/* ---------- 2. 痛点区 ---------- */
.pain-section{background:var(--bg-soft)}
.pain-list{display:flex;flex-direction:column;gap:12px}
@media(min-width:768px){.pain-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}}
.pain-item{
  display:flex;align-items:flex-start;gap:14px;padding:20px 18px;
  border-radius:var(--radius);background:var(--white);border:1px solid var(--line);
  position:relative;overflow:hidden;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .3s var(--ease);
}
.pain-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:transparent}
.pain-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,#FF6B6B,#FF8A8A)}
.pain-item .pain-icon{
  flex:0 0 42px;width:42px;height:42px;border-radius:11px;
  background:#FFF0F0;color:#E85555;display:flex;align-items:center;justify-content:center;
  transition:background .3s,color .3s;
}
.pain-item:hover .pain-icon{background:#E85555;color:#fff}
.pain-item .pain-body h3{font-size:.98rem;color:var(--text-strong);font-weight:700;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.pain-item .pain-body h3 .cost{font-size:.76rem;color:#E85555;font-weight:600;padding:2px 8px;border-radius:6px;background:#FFF0F0}
.pain-item .pain-body p{margin-top:6px;font-size:.88rem;color:var(--text-soft);line-height:1.65}

/* ---------- 3. 数据冲击条 ---------- */
.pain-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  background:var(--ink-900);border-radius:var(--radius-lg);overflow:hidden;
}
.pain-stat{text-align:center;padding:28px 12px;position:relative}
.pain-stat:not(:last-child)::after{content:"";position:absolute;right:0;top:20%;bottom:20%;width:1px;background:rgba(255,255,255,.08)}
.pain-stat b{display:block;font-size:clamp(1.4rem,5vw,1.8rem);font-weight:800;color:#FF8A8A;letter-spacing:-.02em}
.pain-stat span{display:block;margin-top:6px;font-size:.78rem;color:rgba(255,255,255,.5)}
@media(min-width:768px){
  .pain-stats{border-radius:var(--radius-xl)}
  .pain-stat{padding:36px 16px}
  .pain-stat b{font-size:2.2rem}
  .pain-stat span{font-size:.88rem}
}

/* ---------- 4. 转折桥梁 ---------- */
.pain-bridge{text-align:center;padding:48px 20px 32px}
@media(min-width:768px){.pain-bridge{padding:64px 20px 48px}}
.pain-bridge .bridge-tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border-radius:999px;
  background:var(--brand-050);border:1px solid var(--brand-100);
  font-size:12px;font-weight:600;color:var(--brand-700);letter-spacing:.06em;margin-bottom:16px;
}
.pain-bridge h2{font-size:clamp(1.3rem,4.5vw,1.6rem);font-weight:800;color:var(--text-strong);line-height:1.35}
@media(min-width:768px){.pain-bridge h2{font-size:clamp(1.7rem,3vw,2.2rem)}}
.pain-bridge h2 .hl{color:var(--brand)}
.pain-bridge p{margin-top:12px;font-size:.92rem;color:var(--text-soft);line-height:1.7;max-width:520px;margin-left:auto;margin-right:auto}
@media(min-width:768px){.pain-bridge p{font-size:1rem}}

/* ---------- 5. 对比表 ---------- */
.compare-box{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.compare-row{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line)}
.compare-row:last-child{border-bottom:none}
.compare-row .compare-head{padding:14px 18px;font-size:.85rem;font-weight:700;text-align:center}
.compare-row .compare-head.old{background:#FDF6F6;color:#C84444}
.compare-row .compare-head.new{background:var(--brand-050);color:var(--brand-700)}
.compare-row .compare-cell{padding:16px 18px;font-size:.88rem;display:flex;align-items:flex-start;gap:10px}
.compare-row .compare-cell.old{background:#FDF8F8;color:var(--text-soft)}
.compare-row .compare-cell.new{background:var(--brand-050);color:var(--text-strong);font-weight:600}
.compare-row .compare-cell .ic-old{flex:0 0 16px;color:#E07070;margin-top:2px}
.compare-row .compare-cell .ic-new{flex:0 0 16px;color:var(--brand);margin-top:2px}
@media(min-width:768px){
  .compare-row .compare-head{padding:18px 24px;font-size:.95rem}
  .compare-row .compare-cell{padding:20px 24px;font-size:.98rem}
}

/* ---------- 6. 功能卡片 ---------- */
.esign-feature .card{position:relative;overflow:hidden}
.esign-feature .card .badge-num{
  position:absolute;top:16px;right:22px;font-size:2.6rem;font-weight:800;
  color:var(--brand-050);line-height:1;z-index:0;pointer-events:none;
}
@media(min-width:768px){.esign-feature .card .badge-num{font-size:3rem;top:20px;right:26px}}
.esign-feature .card .ic,.esign-feature .card h3,.esign-feature .card p{position:relative;z-index:1}
.esign-feature .card p strong{color:var(--brand-700);font-weight:600}

/* ---------- 7. 流程时间线 ---------- */
.esign-steps{display:flex;flex-direction:column;gap:0;position:relative;padding-left:36px}
.esign-steps::before{
  content:"";position:absolute;top:36px;bottom:36px;left:35px;width:2px;
  background:linear-gradient(180deg,var(--brand-050),var(--brand-100),var(--brand-050));z-index:0;
}
.esign-step{position:relative;z-index:1;padding:16px 0 16px 24px}
.esign-step .step-num{position:absolute;left:-36px;top:16px;width:72px;height:72px;text-align:center}
.esign-step .step-num::before{
  content:"";position:absolute;top:0;left:0;width:36px;height:36px;border-radius:50%;
  background:var(--white);border:2px solid var(--brand-100);box-shadow:var(--shadow-sm);z-index:1;
  transition:background .3s,border-color .3s,transform .3s;
}
.esign-step .step-num span{
  position:relative;z-index:2;width:36px;height:36px;display:flex;align-items:center;justify-content:center;
  font-size:1rem;font-weight:800;color:var(--brand-700);
}
.esign-step h3{font-size:1.02rem;color:var(--text-strong);font-weight:700}
.esign-step p{margin-top:6px;font-size:.9rem;color:var(--text-soft);line-height:1.65}
@media(min-width:768px){
  .esign-steps{flex-direction:row;padding-left:0}
  .esign-steps::before{top:36px;bottom:auto;left:12.5%;right:12.5%;width:auto;height:2px;background:linear-gradient(90deg,var(--brand-050),var(--brand-100),var(--brand-050))}
  .esign-step{flex:1;text-align:center;padding:0 16px}
  .esign-step .step-num{position:relative;left:auto;top:auto;width:72px;height:72px;margin:0 auto 20px}
  .esign-step .step-num::before{width:72px;height:72px}
  .esign-step .step-num span{width:72px;height:72px;font-size:1.5rem}
  .esign-step:hover .step-num::before{background:var(--brand);border-color:var(--brand);transform:translateY(-4px)}
  .esign-step:hover .step-num span{color:#fff}
  .esign-step h3{font-size:1.08rem}
  .esign-step p{font-size:.92rem}
}

/* ---------- 8. 安全保障 ---------- */
.esign-security{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(min-width:768px){.esign-security{grid-template-columns:repeat(4,1fr);gap:20px}}
.esign-security .sec-item{
  text-align:center;padding:22px 14px;border-radius:var(--radius);background:var(--white);
  border:1px solid var(--line);transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.esign-security .sec-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.esign-security .sec-item .sec-icon{
  width:48px;height:48px;border-radius:14px;background:var(--brand-050);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;margin:0 auto 12px;
  transition:background .3s,color .3s;
}
.esign-security .sec-item:hover .sec-icon{background:var(--brand);color:#fff}
.esign-security .sec-item h4{font-size:.92rem;color:var(--text-strong);font-weight:700}
.esign-security .sec-item p{margin-top:6px;font-size:.82rem;color:var(--text-soft);line-height:1.5}
@media(min-width:768px){
  .esign-security .sec-item{padding:28px 18px}
  .esign-security .sec-item .sec-icon{width:56px;height:56px;border-radius:16px}
  .esign-security .sec-item h4{font-size:1rem}
  .esign-security .sec-item p{font-size:.88rem}
}

/* ---------- 9. 套餐定价 ---------- */
.esign-pricing-scroll{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:16px;padding:0 4px;margin:0 -4px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.esign-pricing-scroll::-webkit-scrollbar{display:none}
.esign-pricing-scroll>.card{min-width:85%;scroll-snap-align:center;flex-shrink:0}
@media(min-width:480px){
  .esign-pricing-scroll{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;padding:0;margin:0}
  .esign-pricing-scroll>.card{min-width:0}
}
@media(min-width:768px){
  .esign-pricing-scroll{grid-template-columns:repeat(3,1fr);gap:24px}
}
.esign-pricing .card{display:flex;flex-direction:column;height:100%}
.esign-pricing .price-tag{font-size:2rem;font-weight:800;color:var(--text-strong);letter-spacing:-.02em}
@media(min-width:768px){.esign-pricing .price-tag{font-size:2.4rem}}
.esign-pricing .price-tag .unit{font-size:.85rem;font-weight:600;color:var(--text-soft);margin-left:4px}
.esign-pricing .price-period{font-size:12px;color:var(--text-soft);margin-top:4px}
.esign-pricing .price-features{margin:18px 0;padding:0;list-style:none;flex:1}
.esign-pricing .price-features li{display:flex;align-items:flex-start;gap:10px;padding:7px 0;font-size:.9rem;color:var(--text);border-bottom:1px solid var(--line-soft);position:relative}
.esign-pricing .price-features li:last-child{border-bottom:none}
.esign-pricing .price-features li::before{content:"";flex:0 0 18px;height:18px;margin-top:3px;border-radius:50%;background:var(--brand-050);position:relative}
.esign-pricing .price-features li::after{content:"";position:absolute;width:5px;height:9px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(45deg) translate(-1px,-1px);margin:5px 0 0 6px}
.esign-pricing .card.accent .price-tag{color:#fff}
.esign-pricing .card.accent .price-period{color:rgba(255,255,255,.7)}
.esign-pricing .card.accent .price-features li{color:rgba(255,255,255,.9);border-color:rgba(255,255,255,.12)}
.esign-pricing .card.accent .price-features li::before{background:rgba(255,255,255,.16)}
.esign-pricing .card.accent .price-features li::after{border-color:#fff}
.esign-pricing .btn{margin-top:auto;width:100%}
.esign-pricing .card.accent .btn-primary{background:#fff;color:var(--brand-700)}
.esign-pricing .card.accent .btn-primary:hover{background:var(--brand-050)}
.esign-pricing .badge-rec{display:inline-block;padding:4px 14px;border-radius:999px;background:rgba(255,255,255,.16);font-size:12px;font-weight:600;color:#fff;margin-bottom:10px}
@media(min-width:768px){
  .esign-pricing .price-features li{font-size:.92rem;padding:8px 0}
}

/* ---------- 10. 应用场景 ---------- */
.esign-scene .card{padding:20px}
@media(min-width:768px){.esign-scene .card{padding:24px}}
.esign-scene .scene-icon{
  width:44px;height:44px;border-radius:12px;background:var(--brand-050);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;margin-bottom:12px;
  transition:background .3s,color .3s;
}
.esign-scene .card:hover .scene-icon{background:var(--brand);color:#fff}
.esign-scene h3{font-size:1rem;color:var(--text-strong);font-weight:700}
@media(min-width:768px){.esign-scene h3{font-size:1.08rem}}
.esign-scene p{margin-top:6px;font-size:.88rem;color:var(--text-soft)}
@media(min-width:768px){.esign-scene p{font-size:.92rem}}

/* ---------- 11. CTA Band ---------- */
.esign-cta{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,var(--ink-900) 0%,var(--ink-700) 100%);
  color:#fff;border-radius:var(--radius-lg);padding:40px 24px;text-align:center;
  margin:0 4px;isolation:isolate;
}
@media(min-width:768px){.esign-cta{padding:64px 40px;margin:0}}
.esign-cta::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(60% 120% at 50% 0%,rgba(196,149,106,.4),transparent 60%)}
.esign-cta::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(rgba(196,149,106,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(196,149,106,.07) 1px,transparent 1px);
  background-size:36px 36px;
  mask-image:radial-gradient(80% 80% at 50% 50%,#000,transparent 70%);
  -webkit-mask-image:radial-gradient(80% 80% at 50% 50%,#000,transparent 70%);
  opacity:.6;
}
.esign-cta h2{font-family:var(--font-display);font-size:clamp(1.3rem,4vw,1.6rem);font-weight:800;line-height:1.3;letter-spacing:-.01em}
@media(min-width:768px){.esign-cta h2{font-size:clamp(1.6rem,3.2vw,2.2rem)}}
.esign-cta p{margin:12px auto 0;color:rgba(232,222,208,.8);font-size:.92rem;max-width:40ch}
@media(min-width:768px){.esign-cta p{font-size:1rem;max-width:480px}}
.esign-cta .hero-actions{justify-content:center;margin-top:28px}
.esign-cta .hero-actions .btn{flex:0 1 auto}

/* ---------- 12. 动画 ---------- */
@keyframes esign-rise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes esign-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes esign-pulse{0%,100%{opacity:.5;transform:scale(1)}50%{opacity:.9;transform:scale(1.3)}}

/* ---------- 13. 底部 Tabbar（仅移动端） ---------- */
.wap-tabbar{
  position:fixed;bottom:0;left:0;right:0;z-index:200;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);
  border-top:1px solid var(--line-soft);
  display:flex;align-items:stretch;
  padding-bottom:env(safe-area-inset-bottom,0);padding-top:6px;
  box-shadow:0 -6px 24px rgba(42,31,26,.06);
  transition:transform var(--t-med) var(--ease);
}
.wap-tabbar .tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  padding:8px 4px 10px;color:var(--ink-500);text-decoration:none;cursor:pointer;
  transition:color var(--t-fast);-webkit-tap-highlight-color:transparent;user-select:none;min-height:52px;
}
.wap-tabbar .tab-item:active{background:rgba(196,149,106,.08)}
.wap-tabbar .tab-item.active{color:var(--brand)}
.wap-tabbar .tab-icon{display:flex;align-items:center;justify-content:center;width:24px;height:24px;transition:transform var(--t-med) var(--ease)}
.wap-tabbar .tab-item.active .tab-icon{transform:translateY(-2px) scale(1.08)}
.wap-tabbar .tab-label{font-size:11px;font-weight:600;letter-spacing:.02em;line-height:1}
.wap-tabbar .tab-item.active .tab-label{font-weight:700}

/* ---------- 14. 无障碍降级 ---------- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1!important;transform:none!important}
  .esign-hero-card{animation:none!important}
}