/* ===== 移动端开发页 · 深蓝 + 首页蓝 高端风格 ===== */
:root{
    --mb-ink:#15213c;
    --mb-sub:#5d6b86;
    --mb-line:#e8ebf1;
    --mb-blue:#206ae4;
    --mb-blue-deep:#1860d8;
    --mb-blue-soft:#eaf2ff;
    --mb-grad:linear-gradient(135deg,#4892f0 0%,#206ae4 50%,#1860d8 100%);
    --mb-radius:18px;
    --mb-shadow:0 18px 40px rgba(12,26,58,.08);
    --mb-shadow-lg:0 30px 64px rgba(12,26,58,.16);
}
/* ===== 滚动揭示 ===== */
.mb-reveal{opacity:0;transform:translateY(34px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1);}
.mb-reveal.in{opacity:1;transform:none;}

/* ===== Hero 全屏 ===== */
.mb-hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;background:radial-gradient(130% 130% at 82% 0%,#1a3a7d 0%,#0c1a3a 46%,#070f24 100%);color:#fff;}
.mb-hero-bg{position:absolute;inset:0;overflow:hidden;z-index:0;}
.mb-blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55;}
.mb-hero .mb-blob-1{width:520px;height:520px;background:#206ae4;top:-160px;right:-80px;opacity:.3;}
.mb-hero .mb-blob-2{width:420px;height:420px;background:#1f3a78;bottom:-150px;left:-90px;opacity:.7;}
.mb-hero .mb-blob-3{width:300px;height:300px;background:#2a4ea0;top:40%;left:46%;opacity:.4;}
.mb-hero .mb-grid{position:absolute;inset:0;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:54px 54px;mask-image:radial-gradient(120% 90% at 70% 20%,#000 30%,transparent 75%);}
.mb-watermark{position:absolute;right:-2%;bottom:-10%;font-size:40vh;color:rgba(255,255,255,.04);transform:rotate(-12deg);}
.mb-hero-inner{position:relative;z-index:2;max-width:none;margin:0 auto;padding:0 clamp(20px,5vw,80px);width:100%;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,56px);align-items:center;}
.mb-hero-content{position:relative;}
.mb-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--mb-blue);text-transform:uppercase;margin-bottom:22px;}
.mb-hero-title{margin:0 0 24px;font-size:clamp(34px,5.4vw,64px);font-weight:800;line-height:1.12;letter-spacing:1px;}
.mb-hero-title span{background:var(--mb-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.mb-hero-sub{margin:0 0 38px;max-width:640px;font-size:clamp(15px,1.6vw,18px);line-height:1.9;color:rgba(255,255,255,.82);}
.mb-hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:54px;}
.mb-btn-primary{display:inline-flex;align-items:center;gap:10px;padding:15px 32px;border-radius:999px;font-size:15px;font-weight:700;color:#fff;text-decoration:none;background:var(--mb-grad);box-shadow:0 16px 34px rgba(32,106,228,.4);transition:.35s cubic-bezier(.2,.7,.2,1);}
.mb-btn-primary:hover{transform:translateY(-3px);box-shadow:0 22px 44px rgba(32,106,228,.5);}
.mb-btn-outline{display:inline-flex;align-items:center;gap:10px;padding:15px 32px;border-radius:999px;font-size:15px;font-weight:700;color:#fff;text-decoration:none;border:1.5px solid rgba(255,255,255,.4);transition:.35s;}
.mb-btn-outline:hover{border-color:var(--mb-blue);color:#fff;background:rgba(32,106,228,.18);}
.mb-hero-stats{display:flex;flex-wrap:wrap;gap:clamp(24px,5vw,64px);}
.mb-stat strong{display:block;font-size:clamp(28px,3.4vw,40px);font-weight:800;background:var(--mb-grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1;}
.mb-stat strong small{font-size:.5em;margin-left:2px;}
.mb-stat span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.7);letter-spacing:1px;}
/* Hero 手机模型 */
.mb-hero-visual{position:relative;display:flex;justify-content:center;}
.mb-phone{width:min(320px,82%);height:auto;filter:drop-shadow(0 40px 80px rgba(4,10,26,.55));animation:mbFloat 6s ease-in-out infinite;}
@keyframes mbFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-16px);}}
.mb-float{position:absolute;width:56px;height:56px;display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff;background:var(--mb-grad);border-radius:16px;box-shadow:0 16px 30px rgba(32,106,228,.4);}
.mb-float-1{top:6%;left:-4%;animation:mbFloat 5s ease-in-out infinite;}
.mb-float-2{bottom:8%;right:-2%;animation:mbFloat 7s ease-in-out infinite .5s;}

/* ===== 面包屑 ===== */
.mb-tags{background:linear-gradient(180deg,#fcfdff 0%,#f3f5f8 100%);border-bottom:1px solid var(--mb-line);box-shadow:0 6px 18px rgba(12,26,58,.04);}
.mb-crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:2px 0;padding:15px clamp(20px,5vw,80px);font-size:14px;}
.mb-crumb{position:relative;display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:9px;color:var(--mb-sub);text-decoration:none;font-weight:600;white-space:nowrap;transition:.3s cubic-bezier(.2,.7,.2,1);}
.mb-crumb i{font-size:13px;color:var(--mb-blue);transition:.3s;}
.mb-crumb:hover{color:var(--mb-ink);background:rgba(32,106,228,.1);}
.mb-crumb:hover i{transform:scale(1.12);}
.mb-crumb.active{color:#fff;background:var(--mb-grad);box-shadow:0 10px 22px rgba(32,106,228,.38);}
.mb-crumb.active i{color:#fff;}
.mb-crumb:not(:first-child)::before{content:'\f105';font-family:'Font Awesome 7 Free';font-weight:900;font-size:11px;color:#b9bfca;margin-right:13px;}

/* ===== 快捷导航 ===== */
.mb-quick{padding:56px 0 0;}
.mb-quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.mb-quick-card{display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px;padding:34px 20px;background:#fff;border:1px solid var(--mb-line);border-radius:var(--mb-radius);text-decoration:none;transition:.4s cubic-bezier(.2,.7,.2,1);}
.mb-quick-card:hover{transform:translateY(-8px);border-color:rgba(32,106,228,.5);box-shadow:var(--mb-shadow-lg);}
.mb-quick-ic{width:64px;height:64px;display:flex;align-items:center;justify-content:center;font-size:26px;color:var(--mb-blue);border-radius:18px;background:var(--mb-blue-soft);border:1px solid rgba(32,106,228,.22);margin-bottom:12px;transition:.4s;}
.mb-quick-card:hover .mb-quick-ic{background:var(--mb-grad);color:#fff;transform:rotate(-6deg) scale(1.05);}
.mb-quick-t{font-size:18px;font-weight:800;color:var(--mb-ink);}
.mb-quick-d{font-size:13px;color:var(--mb-sub);}

/* ===== 通用区块 ===== */
.mb-sec{padding:110px 0;}
.mb-sec.alt{background:#f4f5f7;}
.mb-sec.dark{background:radial-gradient(120% 120% at 80% 0%,#16306a 0%,#0c1a3a 48%,#081127 100%);color:#fff;}
.mb-wrap{width:100%;max-width:none;margin:0 auto;padding:0 clamp(20px,5vw,80px);}
.mb-head{text-align:center;max-width:780px;margin:0 auto 60px;}
.mb-eyebrow.c{color:var(--mb-blue);}
.mb-head h2{margin:0 0 14px;font-size:clamp(26px,3.4vw,40px);font-weight:800;color:var(--mb-ink);letter-spacing:.5px;}
.mb-sec.dark .mb-head h2{color:#fff;}
.mb-head p{margin:0;font-size:15px;color:var(--mb-sub);line-height:1.8;}
.mb-sec.dark .mb-head p{color:rgba(255,255,255,.72);}

/* ===== 移动端系统开发 ===== */
.mb-service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.mb-sv-card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--mb-line);border-radius:var(--mb-radius);padding:32px 26px 28px;text-decoration:none;overflow:hidden;transition:.4s cubic-bezier(.2,.7,.2,1);}
.mb-sv-card::before{content:'';position:absolute;left:0;top:0;width:100%;height:4px;background:var(--mb-grad);transform:scaleX(0);transform-origin:left;transition:.4s;}
.mb-sv-card:hover{transform:translateY(-10px);border-color:transparent;box-shadow:var(--mb-shadow-lg);}
.mb-sv-card:hover::before{transform:scaleX(1);}
.mb-sv-ic{width:62px;height:62px;display:flex;align-items:center;justify-content:center;font-size:26px;color:var(--mb-blue);border-radius:16px;background:var(--mb-blue-soft);border:1px solid rgba(32,106,228,.22);margin-bottom:20px;transition:.4s;}
.mb-sv-card:hover .mb-sv-ic{background:var(--mb-grad);color:#fff;transform:rotate(-6deg) scale(1.05);}
.mb-sv-card h3{margin:0 0 8px;font-size:19px;font-weight:800;color:var(--mb-ink);}
.mb-sv-desc{margin:0 0 12px;font-size:12.5px;font-weight:700;color:var(--mb-blue);}
.mb-sv-text{margin:0 0 18px;font-size:13px;line-height:1.8;color:var(--mb-sub);flex:1;}
.mb-sv-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--mb-ink);transition:.3s;}
.mb-sv-card:hover .mb-sv-link{color:var(--mb-blue);gap:10px;}

/* ===== 分栏（策划 / 设计） ===== */
.mb-split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,72px);align-items:center;}
.mb-split-text .mb-eyebrow{margin-bottom:16px;}
.mb-split-text h2{margin:0 0 10px;font-size:clamp(26px,3.4vw,40px);font-weight:800;color:var(--mb-ink);}
.mb-split-sub{margin:0 0 18px;font-size:16px;font-weight:700;color:var(--mb-blue);}
.mb-split-desc{margin:0 0 26px;font-size:14.5px;line-height:1.9;color:var(--mb-sub);}
.mb-plan-list{display:grid;gap:18px;}
.mb-plan-item{display:flex;gap:16px;align-items:flex-start;}
.mb-plan-ic{width:46px;height:46px;flex:none;display:flex;align-items:center;justify-content:center;font-size:19px;color:var(--mb-blue);border-radius:13px;background:var(--mb-blue-soft);border:1px solid rgba(32,106,228,.22);}
.mb-plan-item h4{margin:0 0 4px;font-size:16px;font-weight:800;color:var(--mb-ink);}
.mb-plan-item p{margin:0;font-size:13px;line-height:1.7;color:var(--mb-sub);}
.mb-split-visual{display:flex;justify-content:center;}
/* 功能策划 - 高端蓝图 */
.mb-plan-wrap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,72px);align-items:center;}
.mb-plan-steps{display:grid;gap:18px;}
.mb-step{position:relative;display:flex;gap:22px;align-items:flex-start;padding:22px 24px;border-radius:18px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);transition:.4s cubic-bezier(.2,.7,.2,1);}
.mb-step:hover{background:rgba(255,255,255,.08);border-color:rgba(32,106,228,.45);transform:translateX(6px);}
.mb-step-no{font-size:30px;font-weight:800;font-style:italic;line-height:1;background:var(--mb-grad);-webkit-background-clip:text;background-clip:text;color:transparent;flex:none;}
.mb-step-body h4{margin:0 0 6px;font-size:18px;font-weight:800;color:#fff;}
.mb-step-body p{margin:0;font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.7);}
.mb-plan-visual{position:relative;display:flex;justify-content:center;}
.mb-blueprint{position:relative;width:100%;max-width:400px;padding:34px 32px 28px;border-radius:24px;background:linear-gradient(160deg,rgba(32,106,228,.16),rgba(255,255,255,.04));border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 40px 80px rgba(4,10,26,.5),inset 0 1px 0 rgba(255,255,255,.18);overflow:hidden;}
.mb-blueprint::before{content:'';position:absolute;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(32,106,228,.4),transparent 70%);top:-90px;right:-70px;filter:blur(20px);}
.mb-bp-badge{position:relative;display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;font-size:13px;font-weight:800;color:#fff;background:var(--mb-grad);margin-bottom:26px;box-shadow:0 10px 22px rgba(32,106,228,.4);}
.mb-bp-stack{position:relative;display:grid;gap:14px;}
.mb-bp-layer{position:relative;display:flex;flex-direction:column;gap:3px;padding:18px 22px;border-radius:16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);transition:.4s;}
.mb-bp-layer:hover{border-color:rgba(32,106,228,.5);background:rgba(32,106,228,.12);transform:translateX(-4px);}
.mb-bp-layer span{font-size:16px;font-weight:800;color:#fff;letter-spacing:.5px;}
.mb-bp-layer small{font-size:12.5px;color:rgba(255,255,255,.6);}
.mb-bp-layer.l2{margin-left:22px;}
.mb-bp-layer.l3{margin-left:44px;}
.mb-bp-foot{position:relative;display:flex;align-items:center;gap:9px;margin-top:22px;padding:14px 18px;border-radius:14px;font-size:13.5px;font-weight:700;color:#fff;background:rgba(32,106,228,.18);border:1px solid rgba(32,106,228,.35);}
.mb-bp-foot i{color:#fff;}
/* UI 设计 - 高端设计系统 */
.mb-design-wrap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,72px);align-items:center;}
.mb-design-visual{position:relative;display:flex;justify-content:center;}
.mb-ds-board{position:relative;width:100%;max-width:420px;padding:34px 32px 30px;border-radius:24px;background:linear-gradient(160deg,rgba(32,106,228,.16),rgba(255,255,255,.04));border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 40px 80px rgba(4,10,26,.5),inset 0 1px 0 rgba(255,255,255,.18);overflow:hidden;}
.mb-ds-board::before{content:'';position:absolute;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(32,106,228,.4),transparent 70%);bottom:-90px;left:-70px;filter:blur(20px);}
.mb-ds-badge{position:relative;display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;font-size:13px;font-weight:800;color:#fff;background:var(--mb-grad);margin-bottom:24px;box-shadow:0 10px 22px rgba(32,106,228,.4);}
.mb-ds-palette{position:relative;display:flex;gap:12px;margin-bottom:24px;}
.mb-ds-swatch{width:46px;height:46px;border-radius:14px;border:1px solid rgba(255,255,255,.18);box-shadow:inset 0 1px 0 rgba(255,255,255,.25);}
.mb-ds-swatch.s1{background:linear-gradient(135deg,#4892f0,#206ae4);}
.mb-ds-swatch.s2{background:linear-gradient(135deg,#0c1a3a,#16306a);}
.mb-ds-swatch.s3{background:linear-gradient(135deg,#5d6b86,#9aa6bd);}
.mb-ds-swatch.s4{background:linear-gradient(135deg,#1f3a78,#2a4ea0);}
.mb-ds-swatch.s5{background:linear-gradient(135deg,#eaf2ff,#c7dcff);}
.mb-ds-type{position:relative;padding:20px 22px;border-radius:16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);margin-bottom:20px;}
.mb-ds-h{margin:0 0 6px;font-size:22px;font-weight:800;color:#fff;letter-spacing:.5px;}
.mb-ds-p{margin:0;font-size:13px;line-height:1.7;color:rgba(255,255,255,.7);}
.mb-ds-screen{position:relative;display:flex;flex-wrap:wrap;gap:10px;}
.mb-ds-chip{display:inline-flex;align-items:center;gap:7px;padding:9px 15px;border-radius:12px;font-size:12.5px;font-weight:700;color:#fff;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);}
.mb-ds-chip i{color:var(--mb-blue);}
.mb-design-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.mb-ds-card{display:flex;gap:16px;align-items:flex-start;padding:22px 22px;border-radius:18px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);transition:.4s cubic-bezier(.2,.7,.2,1);}
.mb-ds-card:hover{background:rgba(255,255,255,.08);border-color:rgba(32,106,228,.45);transform:translateY(-6px);}
.mb-ds-ic{width:46px;height:46px;flex:none;display:flex;align-items:center;justify-content:center;font-size:19px;color:var(--mb-blue);border-radius:13px;background:var(--mb-blue-soft);border:1px solid rgba(32,106,228,.22);}
.mb-ds-card h4{margin:0 0 4px;font-size:16px;font-weight:800;color:#fff;}
.mb-ds-card p{margin:0;font-size:13px;line-height:1.7;color:rgba(255,255,255,.7);}

/* ===== 功能整合解决方案 ===== */
.mb-solution{position:relative;}
.mb-sol-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.mb-sol-card{position:relative;display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto auto;column-gap:16px;align-items:start;padding:24px 26px;border-radius:18px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);overflow:hidden;transition:.45s cubic-bezier(.2,.7,.2,1);}
.mb-sol-card::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:0;background:linear-gradient(180deg,transparent,#206ae4,#206ae4,transparent);transition:.5s cubic-bezier(.2,.7,.2,1);}
.mb-sol-card::after{content:'';position:absolute;right:-50px;top:-50px;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle,rgba(32,106,228,.3),transparent 70%);opacity:0;transition:.5s;}
.mb-sol-card:hover{transform:translateY(-8px);background:rgba(255,255,255,.09);border-color:rgba(32,106,228,.55);box-shadow:0 30px 60px rgba(4,10,26,.5),0 0 0 4px rgba(32,106,228,.12);}
.mb-sol-card:hover::before{height:70%;}
.mb-sol-card:hover::after{opacity:1;}
.mb-sol-ic{grid-column:1;grid-row:1 / 4;align-self:start;position:relative;z-index:1;width:50px;height:50px;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--mb-blue);border-radius:14px;background:rgba(32,106,228,.12);border:1px solid rgba(32,106,228,.28);transition:.45s;}
.mb-sol-card:hover .mb-sol-ic{background:var(--mb-grad);color:#fff;transform:rotate(-5deg) scale(1.08);box-shadow:0 12px 28px rgba(32,106,228,.4);}
.mb-sol-card h3{grid-column:2;grid-row:1;position:relative;z-index:1;margin:0 0 2px;font-size:16px;font-weight:800;color:#fff;line-height:1.3;}
.mb-sol-en{grid-column:2;grid-row:2;position:relative;z-index:1;display:block;margin-bottom:4px;font-size:10.5px;font-weight:700;letter-spacing:.8px;color:rgba(255,255,255,.36);text-transform:uppercase;line-height:1.3;}
.mb-sol-card p{grid-column:2;grid-row:3;position:relative;z-index:1;margin:0;font-size:12.5px;line-height:1.65;color:rgba(255,255,255,.65);}
/* 微商城 - 高亮横幅 */
.mb-sol-highlight{position:relative;display:flex;gap:28px;align-items:center;margin-top:24px;padding:40px 44px;border-radius:24px;background:radial-gradient(140% 180% at 90% 0%,#1a3a7d,#0c1a3a 60%);color:#fff;overflow:hidden;box-shadow:0 30px 60px rgba(4,10,26,.4);}
.mb-sol-highlight::before{content:'';position:absolute;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(32,106,228,.45),transparent 70%);top:-140px;right:-60px;filter:blur(14px);}
.mb-sol-highlight::after{content:'';position:absolute;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(72,146,240,.22),transparent 70%);bottom:-130px;left:8%;filter:blur(10px);}
.mb-sol-hl-ic{position:relative;z-index:1;width:80px;height:80px;flex:none;display:flex;align-items:center;justify-content:center;font-size:32px;color:#fff;background:var(--mb-grad);border-radius:21px;box-shadow:0 20px 36px rgba(32,106,228,.5);}
.mb-sol-hl-c{position:relative;z-index:1;flex:1;}
.mb-sol-hl-c h3{margin:0 0 5px;font-size:22px;font-weight:800;}
.mb-sol-hl-c span{font-size:12px;letter-spacing:1px;color:#78a9f5;text-transform:uppercase;}
.mb-sol-hl-c p{margin:10px 0 0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.82);max-width:680px;}
.mb-sol-hl-btn{position:relative;z-index:1;flex:none;display:inline-flex;align-items:center;gap:9px;padding:15px 30px;border-radius:999px;font-size:14px;font-weight:800;color:#0c1a3a;background:#fff;text-decoration:none;white-space:nowrap;box-shadow:0 12px 26px rgba(0,0,0,.25);transition:.35s;}
.mb-sol-hl-btn:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(0,0,0,.38);}
.mb-sol-hl-btn i{transition:.35s;}
.mb-sol-hl-btn:hover i{transform:translateX(4px);}

/* ===== 为什么选择我们 ===== */
.mb-adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.mb-adv-item{display:flex;gap:18px;align-items:flex-start;padding:28px 26px;background:#fff;border:1px solid var(--mb-line);border-radius:var(--mb-radius);transition:.4s;}
.mb-adv-item:hover{transform:translateY(-6px);border-color:rgba(32,106,228,.5);box-shadow:var(--mb-shadow);}
.mb-adv-no{font-size:30px;font-weight:800;font-style:italic;line-height:1;background:var(--mb-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.mb-adv-item h4{margin:0 0 6px;font-size:17px;font-weight:800;color:var(--mb-ink);}
.mb-adv-item p{margin:0;font-size:13px;line-height:1.7;color:var(--mb-sub);}

/* ===== 服务流程 ===== */
.mb-process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.mb-proc-card{position:relative;padding:34px 28px 30px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--mb-radius);overflow:hidden;transition:.4s;}
.mb-proc-card::before{content:'';position:absolute;left:0;top:0;width:100%;height:3px;background:var(--mb-grad);}
.mb-proc-card:hover{transform:translateY(-8px);background:rgba(255,255,255,.08);border-color:rgba(32,106,228,.4);}
.mb-proc-no{font-size:40px;font-weight:800;font-style:italic;line-height:1;color:rgba(255,255,255,.16);}
.mb-proc-ic{width:54px;height:54px;display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--mb-blue);border-radius:15px;background:rgba(32,106,228,.12);border:1px solid rgba(32,106,228,.3);margin:14px 0 18px;}
.mb-proc-card h3{margin:0 0 8px;font-size:18px;font-weight:800;color:#fff;}
.mb-proc-card p{margin:0;font-size:13px;line-height:1.7;color:rgba(255,255,255,.7);}

/* ===== CTA ===== */
.mb-cta{position:relative;overflow:hidden;background:radial-gradient(130% 130% at 80% 0%,#1a3a7d 0%,#0c1a3a 46%,#070f24 100%);color:#fff;padding:100px 0;}
.mb-cta-bg{position:absolute;inset:0;overflow:hidden;z-index:0;}
.mb-cta .mb-blob-1{width:480px;height:480px;background:#206ae4;top:-180px;right:-100px;opacity:.22;}
.mb-cta .mb-blob-2{width:420px;height:420px;background:#1f3a78;bottom:-160px;left:-90px;opacity:.6;}
.mb-cta-content{position:relative;z-index:2;text-align:center;max-width:760px;margin:0 auto;padding:0 20px;}
.mb-cta-content h2{margin:0 0 16px;font-size:clamp(26px,3.6vw,42px);font-weight:800;}
.mb-cta-content p{margin:0 0 34px;font-size:15px;color:rgba(255,255,255,.8);}
.mb-cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.mb-btn-ghost{display:inline-flex;align-items:center;gap:10px;padding:15px 32px;border-radius:999px;font-size:15px;font-weight:700;color:#fff;text-decoration:none;border:1.5px solid rgba(255,255,255,.4);transition:.35s;}
.mb-btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-3px);}

/* ===== 响应式 ===== */
@media (max-width:1100px){
    .mb-service-grid,.mb-sol-grid{grid-template-columns:repeat(3,1fr);}
    .mb-adv-grid,.mb-process-grid{grid-template-columns:repeat(2,1fr);}
    .mb-quick-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
    .mb-sec{padding:64px 16px;}
    .mb-head{margin-bottom:40px;}
    .mb-hero{align-items:flex-start;padding-top:120px;padding-bottom:60px;}
    .mb-hero-inner{grid-template-columns:1fr;gap:36px;}
    .mb-hero-visual{order:2;}
    .mb-hero-stats{gap:22px 36px;}
    .mb-quick-grid{grid-template-columns:1fr 1fr;gap:14px;}
    .mb-service-grid,.mb-sol-grid{grid-template-columns:1fr 1fr;gap:16px;}
    .mb-split{grid-template-columns:1fr;gap:32px;}
    .mb-split-visual{order:2;}
    .mb-plan-wrap{grid-template-columns:1fr;gap:36px;}
    .mb-plan-visual{order:2;}
    .mb-design-wrap{grid-template-columns:1fr;gap:36px;}
    .mb-design-visual{order:2;}
    .mb-adv-grid,.mb-process-grid{grid-template-columns:1fr;}
    .mb-sol-highlight{flex-direction:column;text-align:center;gap:16px;padding:26px 22px;}
    .mb-design-board{min-height:260px;}
}
@media (max-width:480px){
    .mb-hero-stats{gap:18px 28px;}
    .mb-stat strong{font-size:26px;}
    .mb-service-grid,.mb-sol-grid{grid-template-columns:1fr;}
    .mb-quick-grid{grid-template-columns:1fr;}
    .mb-design-grid{grid-template-columns:1fr;}
}