/* ===== 企业邮箱频道 ===== */
.mhero{position:relative;overflow:hidden;background:linear-gradient(120deg,#0f2c5f 0%,#1c66c0 55%,#2f8bdd 100%);color:#fff;padding:70px 0 80px}
.mhero .blob{position:absolute;border-radius:50%;filter:blur(2px);background:rgba(255,255,255,.08);animation:blobFloat 9s ease-in-out infinite alternate}
.mhero .b1{width:340px;height:340px;left:-90px;top:-110px}
.mhero .b2{width:220px;height:220px;right:8%;top:-60px;animation-delay:-3s}
.mhero .b3{width:150px;height:150px;left:38%;bottom:-70px;animation-delay:-6s}
@keyframes blobFloat{from{transform:translateY(-12px) scale(1)}to{transform:translateY(14px) scale(1.08)}}
.mhero-in{position:relative;display:flex;align-items:center;gap:40px;z-index:1}
.mhero-txt{flex:1;min-width:0}
.mhero-tag{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);border-radius:20px;padding:5px 16px;font-size:13px;letter-spacing:1px}
.mhero h1{font-size:42px;line-height:1.3;margin:18px 0 14px}
.mhero h1 em{font-style:normal;background:linear-gradient(90deg,#ffd894,#ff9a2b);-webkit-background-clip:text;background-clip:text;color:transparent}
.mhero p{opacity:.88;line-height:2;font-size:15px}
.mhero-btns{margin:22px 0 26px;display:flex;gap:12px}
.mhero-stats{display:flex;gap:34px}
.mhero-stats b{display:block;font-size:24px}
.mhero-stats span{font-size:12px;opacity:.8}
.mhero-art{width:400px;flex:none;position:relative}
.env{position:relative;width:330px;height:240px;margin:0 auto;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:18px;backdrop-filter:blur(4px);box-shadow:0 24px 60px rgba(0,0,0,.28);animation:envFloat 5.5s ease-in-out infinite alternate;overflow:hidden}
@keyframes envFloat{from{transform:translateY(-10px) rotate(-1deg)}to{transform:translateY(12px) rotate(1.2deg)}}
.env-top{position:absolute;top:0;left:0;right:0;height:64px;background:linear-gradient(180deg,rgba(255,255,255,.18),rgba(255,255,255,.04));clip-path:polygon(0 0,100% 0,50% 100%)}
.env-body{position:absolute;inset:64px 26px 26px}
.env-line{display:block;height:10px;border-radius:5px;background:rgba(255,255,255,.3);margin-bottom:14px}
.env-line.w60{width:60%}.env-line.w80{width:80%}.env-line.w40{width:40%}
.env-chip{margin-top:16px;display:inline-block;background:#ff9a2b;color:#fff;font-size:13px;border-radius:16px;padding:5px 16px;box-shadow:0 6px 18px rgba(255,154,43,.45)}
.fly{position:absolute;font-size:26px;animation:flyUp 4s ease-in-out infinite alternate}
.fly.f1{left:-16px;top:30%}.fly.f2{right:-10px;top:12%;animation-delay:-1.4s}.fly.f3{right:22%;bottom:-14px;animation-delay:-2.6s}
@keyframes flyUp{from{transform:translateY(0) rotate(0)}to{transform:translateY(-18px) rotate(8deg)}}

.msec{padding:56px 0}
.msec.alt{background:var(--c-panel)}
.hhead{text-align:center;margin-bottom:34px}
.hhead .en{font-size:12px;color:var(--c-text-sub);letter-spacing:3px}
.hhead h2{font-size:28px;margin:8px 0}
.hhead p{color:var(--c-text-sub);font-size:14px}
.hhead .more{color:var(--c-link);font-size:14px;display:inline-block;margin-top:10px}

.mdur{display:flex;justify-content:center;gap:0;margin-bottom:26px}
.mdur button{border:1px solid var(--c-border);background:var(--c-panel);padding:10px 30px;font-size:14px;cursor:pointer;position:relative}
.mdur button:first-child{border-radius:20px 0 0 20px}
.mdur button:last-child{border-radius:0 20px 20px 0}
.mdur button.on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;z-index:1}
.mdur button i{font-style:normal;font-size:11px;color:var(--c-accent);margin-left:2px}
.mdur button.on i{color:#ffe0b8}

.mgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:stretch}
.mcard{position:relative;background:var(--c-panel);border:1px solid var(--c-border);border-radius:14px;padding:24px 20px;display:flex;flex-direction:column;transition:.28s;overflow:hidden}
.mcard:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(20,60,120,.16);border-color:var(--c-primary)}
.mcard.best{border:2px solid var(--c-primary);box-shadow:0 14px 36px rgba(28,102,192,.18)}
.mcard-flag{position:absolute;top:14px;right:-30px;transform:rotate(45deg);background:linear-gradient(90deg,#ff9a2b,#ff7a00);color:#fff;font-size:11px;padding:3px 34px}
.mcard h3{font-size:17px;margin-bottom:6px}
.mcard .mdesc{font-size:12px;color:var(--c-text-sub);min-height:36px;line-height:1.7}
.mprice{margin:14px 0 6px;padding:14px;background:linear-gradient(120deg,var(--c-tag-bg),transparent);border-radius:10px}
.mp-now{color:var(--c-price)}
.mp-now i{font-style:normal;font-size:16px}
.mp-now b{font-size:30px}
.mp-now span{font-size:12px;color:var(--c-text-sub)}
.mp-old{font-size:12px;color:var(--c-text-sub);margin-top:2px}
.mfeat{margin:10px 0 16px;flex:1}
.mfeat li{font-size:13px;padding:5px 0;color:#4a5568}
.mfeat li::before{content:"✓";color:#1f9d55;margin-right:8px;font-weight:bold}
.mbtns{display:flex;gap:8px}
.mbtns .btn{flex:1;text-align:center;padding:10px 0}
.mdetail{display:block;text-align:center;font-size:12px;color:var(--c-text-sub);margin-top:10px}
.mdetail:hover{color:var(--c-link)}
.mnote{text-align:center;color:var(--c-text-sub);font-size:12px;margin-top:20px}

.mfeat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.mfeat-cell{display:flex;gap:14px;background:var(--c-bg);border:1px solid var(--c-border);border-radius:12px;padding:20px;transition:.25s}
.mfeat-cell:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(20,60,120,.12)}
.mfeat-cell .mi{width:46px;height:46px;flex:none;border-radius:12px;background:var(--c-primary-grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px}
.mfeat-cell h4{font-size:15px;margin-bottom:6px}
.mfeat-cell p{font-size:12px;color:var(--c-text-sub);line-height:1.8}

.mfaq{max-width:860px;margin:0 auto}
.mfaq details{background:var(--c-panel);border:1px solid var(--c-border);border-radius:10px;padding:16px 20px;margin-bottom:12px;transition:.2s}
.mfaq details[open]{border-color:var(--c-primary);box-shadow:0 8px 22px rgba(28,102,192,.1)}
.mfaq summary{cursor:pointer;font-size:15px;font-weight:bold;list-style:none;position:relative;padding-right:30px}
.mfaq summary::-webkit-details-marker{display:none}
.mfaq summary::after{content:"+";position:absolute;right:2px;top:0;color:var(--c-primary);font-size:18px;transition:.2s}
.mfaq details[open] summary::after{transform:rotate(45deg)}
.mfaq details p{margin-top:10px;color:var(--c-text-sub);font-size:13px;line-height:1.9}

/* 资讯列表/详情 */
.mnews{display:grid;grid-template-columns:1fr 300px;gap:16px;align-items:flex-start}
.mnews-list .mnews-item{display:flex;gap:16px;background:var(--c-panel);border:1px solid var(--c-border);border-radius:12px;padding:16px;margin-bottom:14px;transition:.25s}
.mnews-item:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(20,60,120,.12)}
.mnews-item img{width:190px;height:120px;object-fit:cover;border-radius:8px;flex:none}
.mnews-item h3{font-size:16px;margin-bottom:6px}
.mnews-item h3 a:hover{color:var(--c-link)}
.mnews-item p{font-size:13px;color:var(--c-text-sub);line-height:1.8;min-height:44px}
.mnews-item .nd{font-size:12px;color:var(--c-text-sub);margin-top:8px}
.marticle{background:var(--c-panel);border-radius:12px;box-shadow:var(--shadow-card);padding:34px 40px}
.marticle h1{font-size:24px;line-height:1.5;margin-bottom:10px}
.marticle .meta{color:var(--c-text-sub);font-size:12px;padding-bottom:18px;border-bottom:1px dashed var(--c-border);margin-bottom:20px}
.marticle .rich p{margin:12px 0;line-height:2;color:#4a5568}
.mnav-prevnext{display:flex;justify-content:space-between;gap:12px;margin:18px 0}
.mnav-prevnext a{background:var(--c-panel);border:1px solid var(--c-border);border-radius:8px;padding:12px 16px;font-size:13px;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mnav-prevnext a:hover{color:var(--c-link);border-color:var(--c-primary)}

/* 邮箱频道响应式 */
@media (max-width:1100px){
  .mgrid{grid-template-columns:repeat(2,1fr)}
  .mhero-art{display:none}
  .mfeat-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  .mhero{padding:44px 0 50px}
  .mhero h1{font-size:28px}
  .mhero-in{display:block}
  .mhero-stats{gap:18px;flex-wrap:wrap}
  .mhero-btns .btn{padding:10px 20px}
  .mgrid{grid-template-columns:1fr}
  .mfeat-grid{grid-template-columns:1fr}
  .mnews{grid-template-columns:1fr}
  .mnews-item{flex-direction:column}
  .mnews-item img{width:100%;height:150px}
  .marticle{padding:22px 18px}
  .marticle h1{font-size:19px}
  .mdur button{flex:1;padding:10px 0}
  .hhead h2{font-size:22px}
}

/* ===== 流程时间轴（小程序/项目开发通用） ===== */
.mstep{display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative;margin:8px 0 26px}
.mstep .ms{position:relative;text-align:center;padding:0 6px}
.mstep .ms .dot2{width:46px;height:46px;margin:0 auto 10px;border-radius:50%;background:var(--c-primary-grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;position:relative;z-index:1;box-shadow:0 6px 16px rgba(28,102,192,.3)}
.mstep .ms::before{content:"";position:absolute;top:23px;left:-50%;width:100%;height:2px;background:linear-gradient(90deg,transparent,var(--c-border))}
.mstep .ms:first-child::before{display:none}
.mstep .ms b{display:block;font-size:14.5px;margin-bottom:3px}
.mstep .ms span{font-size:12px;color:var(--c-text-sub);line-height:1.6;display:block}
.mstep .ms .no{position:absolute;top:-6px;right:18%;background:var(--c-accent);color:#fff;font-size:11px;width:18px;height:18px;line-height:18px;border-radius:50%}
.mprice-sm{display:flex;align-items:baseline;gap:6px;margin:10px 0}
.mprice-sm b{color:var(--c-price);font-size:22px}
.mprice-sm i{font-style:normal;color:var(--c-price);font-size:13px}
.mprice-sm s{color:var(--c-text-sub);font-size:12px}
.mcard .mchips{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 14px}
.mcard .mchips i{font-style:normal;background:var(--c-tag-bg);color:var(--c-tag-text);font-size:12px;padding:3px 12px;border-radius:14px}
.mgrid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:stretch}
@media (max-width:1100px){.mstep{grid-template-columns:repeat(3,1fr);row-gap:22px}.mstep .ms:nth-child(4)::before{display:none}.mgrid-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:720px){.mstep{grid-template-columns:repeat(2,1fr)}.mstep .ms:nth-child(odd)::before{display:none}.mgrid-3{grid-template-columns:1fr}}