/* ===== Reset & Base ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth;scroll-padding-top:20px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#333;background:#f5f7fa;padding-bottom:75px;padding-top:56px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}

:root{
  --blue:#357fd8;
  --blue-dark:#1a5dbf;
  --teal:#098582;
  --teal-light:#24b7b3;
  --orange:#f08200;
  --purple:#7C3AED;
  --text:#333;
  --text-light:#888;
  --bg:#f5f7fa;
}

.m-menu-btn{
  background:none;border:none;font-size:22px;color:var(--text);cursor:pointer;
  padding:4px 8px;border-radius:8px;transition:background .2s;
  min-width:44px;min-height:44px;display:flex;align-items:center;justify-content:center;
}
.m-menu-btn:active{background:rgba(0,0,0,.08)}

/* ===== Sidebar (左侧) ===== */
.m-sidebar-overlay{
  position:fixed;top:0;left:0;right:0;bottom:0;z-index:200;
  background:rgba(0,0,0,.45);opacity:0;visibility:hidden;
  transition:opacity .3s,visibility .3s;
}
.m-sidebar-overlay.open{opacity:1;visibility:visible}
.m-sidebar{
  position:fixed;top:0;left:0;bottom:0;z-index:210;
  width:280px;max-width:82vw;
  background:#fff;
  transform:translateX(-100%);
  transition:transform .35s cubic-bezier(.32,.72,0,1);
  display:flex;flex-direction:column;
  box-shadow:4px 0 20px rgba(0,0,0,.12);
}
.m-sidebar.open{transform:translateX(0)}
.m-sidebar-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;border-bottom:1px solid #eee;
  flex-shrink:0;
}
.m-sidebar-brand{display:flex;align-items:center;gap:10px;font-weight:bold;color:var(--blue);font-size:16px}
.m-sidebar-body{
  flex:1;overflow-y:auto;padding:12px 0;
  -webkit-overflow-scrolling:touch;
}
.m-sidebar-link{
  display:block;padding:14px 20px;font-size:15px;font-weight:600;color:#1a1a2e;
  border-bottom:1px solid #f0f0f0;transition:background .2s;
  cursor:pointer;
}
.m-sidebar-home{cursor:pointer}
.m-sidebar-link:active,.m-sidebar-link.active{
  background:rgba(53,127,216,.08);color:var(--blue);
}
.m-sidebar-link:active{
  background:var(--blue)!important;color:#fff!important;
}
.m-sidebar-group{padding:6px 0}
.m-sidebar-group-title{
  padding:10px 20px 6px;font-size:13px;font-weight:600;color:var(--text-light);text-transform:uppercase;letter-spacing:.5px;
}
.m-sidebar-sublink{
  display:block;padding:11px 20px 11px 34px;font-size:14px;color:#444;
  border-bottom:1px solid #f5f5f5;transition:background .2s;
}
.m-sidebar-sublink:active{background:var(--blue)!important;color:#fff!important}
.m-sidebar-pc-link{
  display:block;margin:16px 20px;padding:12px 16px;text-align:center;
  background:#f5f7fa;border-radius:10px;font-size:14px;color:#555;
  border:1px solid #e0e0e0;transition:background .2s;
}
.m-sidebar-pc-link:active{background:#eee}

/* ===== Header ===== */
.m-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 14px;
  border-bottom:1px solid rgba(0,0,0,.06);
  height:56px;
}
.m-header-brand{display:flex;align-items:center;gap:10px}
.m-logo-icon{
  width:36px;height:36px;border-radius:8px;
  background:linear-gradient(135deg,var(--blue),var(--teal-light));
  color:#fff;font-size:18px;font-weight:bold;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.m-logo-title{font-size:16px;font-weight:bold;color:var(--blue);line-height:1.2}
.m-logo-sub{font-size:11px;color:var(--text-light);line-height:1.2}
.m-pc-link{
  font-size:12px;color:var(--text-light);padding:6px 12px;
  border:1px solid #ddd;border-radius:14px;transition:all .2s;
}
.m-pc-link:active{background:var(--blue);color:#fff;border-color:var(--blue)}

/* ===== Hero ===== */
.m-hero{
  background:linear-gradient(160deg,var(--blue-dark),var(--blue),var(--teal));
  color:#fff;text-align:center;padding:40px 20px 50px;
  position:relative;overflow:hidden;
}
.m-hero h1{font-size:25px;font-weight:bold;line-height:1.5;margin-bottom:14px}
.m-hero p{font-size:14px;line-height:1.8;opacity:.9;margin-bottom:26px}
.m-hero-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.m-btn{display:inline-block;padding:13px 28px;border-radius:25px;font-size:15px;font-weight:600;transition:all .3s;text-align:center}
.m-btn-primary{background:#fff;color:var(--blue);box-shadow:0 4px 15px rgba(0,0,0,.15)}
.m-btn-primary:active{transform:scale(.96);background:var(--orange);color:#fff}
.m-btn-outline{border:2px solid rgba(255,255,255,.5);color:#fff}
.m-btn-outline:active{background:#fff;color:var(--blue);border-color:#fff}

/* ===== Sections ===== */
.m-section{padding:40px 16px}
.m-section-alt{background:#fff}
.m-section-head{text-align:center;margin-bottom:28px}
.m-badge{
  display:inline-block;font-size:11px;font-weight:600;text-transform:uppercase;
  letter-spacing:1px;color:var(--blue);background:rgba(53,127,216,.1);
  padding:4px 14px;border-radius:20px;margin-bottom:8px;
}
.m-section-head h2{font-size:22px;font-weight:bold;color:#1a1a2e;margin-bottom:6px}
.m-section-head p{font-size:13px;color:var(--text-light);line-height:1.6}

/* ===== Service Cards ===== */
.m-service-list{display:flex;flex-direction:column;gap:12px}
.m-service-card{
  background:#fff;border-radius:16px;padding:18px 16px;
  box-shadow:0 2px 12px rgba(0,0,0,.06);
  display:flex;align-items:flex-start;gap:14px;
  transition:transform .2s;
}
.m-service-card:active{transform:scale(.98)}
.m-sc-icon{
  width:48px;height:48px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;font-size:24px;
}
.m-service-card h3{font-size:16px;font-weight:600;color:#1a1a2e;margin-bottom:4px}
.m-service-card p{font-size:13px;color:var(--text-light);line-height:1.6}

/* ===== Feature List ===== */
.m-feature-list{display:flex;flex-direction:column;gap:10px}
.m-feature-item{
  display:flex;align-items:center;gap:14px;
  padding:16px;border-radius:14px;background:#fff;
  box-shadow:0 1px 8px rgba(0,0,0,.04);
}
.m-fi-icon{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:22px;
}
.m-feature-item h4{font-size:14px;font-weight:600;color:#1a1a2e;margin-bottom:2px}
.m-feature-item p{font-size:12px;color:var(--text-light);line-height:1.5}

/* ===== Editor Grid ===== */
.m-editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.m-editor-card{
  background:#fff;border-radius:14px;padding:16px 10px;text-align:center;
  box-shadow:0 2px 10px rgba(0,0,0,.06);transition:transform .2s;
}
.m-editor-card:active{transform:scale(.97)}
.m-editor-avatar{
  width:64px;height:64px;border-radius:50%;overflow:hidden;
  margin:0 auto 10px;border:3px solid #e8f0ff;
}
.m-editor-avatar img{width:100%;height:100%;object-fit:cover}
.m-editor-card h4{font-size:12px;font-weight:600;color:#1a1a2e;margin-bottom:4px}
.m-editor-badge{
  display:inline-block;font-size:10px;color:var(--blue);
  background:rgba(53,127,216,.08);padding:2px 8px;border-radius:10px;
  margin-bottom:6px;font-weight:500;
}
.m-editor-card p{font-size:11px;color:var(--text-light);line-height:1.5}

/* ===== Partners (卡片风格) ===== */
.m-partner-section{background:linear-gradient(180deg,#f8fafc 0%,#fff 100%);padding:36px 16px}
.m-partner-wall{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:20px}
.m-partner-name{
  min-width:130px;height:64px;padding:0 18px;
  background:#fff;border-radius:12px;
  font-size:14px;font-weight:700;color:var(--blue);
  box-shadow:0 2px 10px rgba(53,127,216,.08),0 1px 3px rgba(0,0,0,.04);
  display:flex;align-items:center;justify-content:center;
  transition:transform .2s,box-shadow .2s;
  border:1px solid rgba(53,127,216,.06);
}
.m-partner-name:active{transform:scale(.96);box-shadow:0 1px 6px rgba(53,127,216,.12)}

/* ===== Contact ===== */
.m-contact-card{
  background:#fff;border-radius:20px;padding:30px 20px;
  box-shadow:0 4px 20px rgba(0,0,0,.08);text-align:center;
}
.m-qr-box{
  width:160px;height:160px;margin:0 auto 20px;
  border:2px solid #e0e7ff;border-radius:14px;
  padding:8px;background:#fafbff;
}
.m-qr-box img{width:100%;height:100%;border-radius:8px;object-fit:contain}
.m-contact-info{text-align:left;max-width:280px;margin:0 auto}
.m-ci-row{
  display:flex;align-items:center;gap:12px;margin-bottom:14px;
  font-size:13px;color:#555;
}
.m-ci-icon{
  width:32px;height:32px;background:#f0f5ff;border-radius:8px;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:16px;
}
.m-ci-text{line-height:1.4;flex:1}
.m-ci-text strong{display:block;font-size:14px;color:#1a1a2e;font-weight:600}
.m-ci-text span{display:block;font-size:11px;color:#999;margin-top:1px}

/* ===== Footer ===== */
.m-footer{
  background:#1a1a2e;color:rgba(255,255,255,.7);
  text-align:center;padding:30px 16px 40px;
}
.m-footer-brand{font-size:18px;font-weight:bold;color:#fff;margin-bottom:14px}
.m-footer-links{display:flex;justify-content:center;gap:16px;margin-bottom:14px;flex-wrap:wrap}
.m-footer-links a{font-size:13px;color:rgba(255,255,255,.6)}
.m-footer-links a:active{color:#fff}
.m-footer-info{font-size:11px;color:rgba(255,255,255,.4);line-height:1.9}

/* ===== Bottom Nav (美化) ===== */
.m-bottom-nav{
  position:fixed;bottom:0;left:0;right:0;z-index:100;
  background:#fff;
  display:flex;justify-content:space-around;align-items:center;
  height:68px;padding-bottom:env(safe-area-inset-bottom);
  border-top:1px solid rgba(0,0,0,.06);
  box-shadow:0 -3px 15px rgba(0,0,0,.06);
}
.m-nav-item{
  display:flex;flex-direction:column;align-items:center;gap:3px;
  color:#999;font-size:13px;font-weight:600;padding:6px 8px;
  transition:color .2s;min-width:60px;min-height:48px;
  justify-content:center;border-radius:10px;
}
.m-nav-item .nav-icon{font-size:20px;line-height:1;margin-bottom:1px}
.m-nav-item.active{color:var(--blue)}
.m-nav-item:active{color:var(--blue);background:rgba(53,127,216,.06)}

/* ===== Trust Strip ===== */
.m-trust{background:#fff;padding:16px;border-bottom:1px solid #eee}
.m-trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px 8px;text-align:center}
.m-trust-item{display:flex;flex-direction:column}
.m-trust-num{font-size:22px;font-weight:bold;color:var(--blue);line-height:1.1}
.m-trust-num span{font-size:13px}
.m-trust-label{font-size:11px;color:var(--text-light);margin-top:2px}

/* ===== Stats ===== */
.m-stats{background:#fff;padding:32px 16px;border-top:1px solid #eee;border-bottom:1px solid #eee}
.m-stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;text-align:center}
.m-stat-item{display:flex;flex-direction:column;align-items:center;padding:16px 10px;background:#f9fafb;border-radius:14px}
.m-stat-num{font-size:26px;font-weight:bold;color:var(--blue);line-height:1.2}
.m-stat-num span{font-size:14px}
.m-stat-label{font-size:12px;color:var(--text-light);margin-top:4px}

/* ===== Success Cases ===== */
.m-cases{display:flex;flex-direction:column;gap:12px}
.m-case-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.06)}
.m-case-top{padding:14px 18px;color:#fff;background:linear-gradient(135deg,var(--blue),var(--teal-light))}
.m-case-field{display:inline-block;font-size:11px;background:rgba(255,255,255,.22);padding:2px 10px;border-radius:10px;margin-bottom:6px}
.m-case-top h4{font-size:15px;font-weight:600;margin-bottom:6px}
.m-case-meta{display:flex;justify-content:space-between;font-size:12px;opacity:.92}
.m-case-if{font-weight:bold}
.m-case-body{padding:14px 18px}
.m-case-body p{font-size:13px;color:var(--text-light);line-height:1.6;margin-bottom:8px}
.m-case-tag{display:inline-block;color:var(--blue);font-size:13px;font-weight:500}
.m-more{text-align:center;margin-top:16px}
.m-more a{color:var(--blue);font-size:14px;font-weight:500}

/* ===== Security ===== */
.m-security-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.m-security-badge{background:#fff;border-radius:14px;padding:18px 12px;text-align:center;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.m-sec-icon{width:44px;height:44px;border-radius:12px;background:rgba(76,175,80,.12);display:flex;align-items:center;justify-content:center;margin:0 auto 10px;font-size:22px}
.m-security-badge h4{font-size:14px;font-weight:600;color:#1a1a2e;margin-bottom:4px}
.m-security-badge p{font-size:11px;color:var(--text-light);line-height:1.5}

/* ===== 桌面端隐藏（纯移动版） ===== */
@media(min-width:769px){
  .m-header{display:none}
  body{padding-top:0}
}