/* =====================================================
   海平线云 - 三云代理商官网 - 全站公共样式
   主题色：海洋蓝绿渐变
   版本: 1.0
   ===================================================== */

/* ─── Reset & Base ─── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:#f0f9ff;color:#1a1a1a;line-height:1.6;overflow-x:hidden}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}

/* ─── CSS Variables ─── */
:root{
  --blue:#0ea5e9;
  --blue-light:#38bdf8;
  --blue-dark:#0284c7;
  --teal:#0d9488;
  --teal-light:#14b8a6;
  --grad:linear-gradient(135deg,#0284c7,#0ea5e9,#14b8a6);
  --blue-bg:#f0f9ff;
  --blue-bg2:#e0f2fe;
  --card:#ffffff;
  --card-border:rgba(14,165,233,0.12);
  --text:#1a1a1a;
  --text-2:#4a5568;
  --text-3:#8896ab;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:8px;
  --shadow-sm:0 2px 12px rgba(14,165,233,0.06);
  --shadow-md:0 8px 32px rgba(14,165,233,0.12);
  --shadow-lg:0 20px 60px rgba(14,165,233,0.18);
}

/* ─── Top Notice Bar ─── */
.notice-bar{background:var(--grad);color:#fff;font-size:13px;text-align:center;padding:9px 16px;position:relative;overflow:hidden}
.notice-bar span{position:relative;z-index:1}
.notice-bar a{color:#bfefff;font-weight:700;margin:0 4px;border-bottom:1px solid rgba(191,239,255,0.4)}

/* ─── Navbar ─── */
.navbar{background:rgba(255,255,255,0.95);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(14,165,233,0.1);position:sticky;top:0;z-index:999}
.nav-inner{max-width:1280px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:64px;gap:16px}
.nav-logo{display:flex;align-items:center;gap:10px;white-space:nowrap;text-decoration:none}
.nav-logo-img{height:36px;width:auto;display:block}
.nav-logo-text{font-size:20px;font-weight:900;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:1px}
.nav-logo-badge{font-size:11px;background:var(--grad);color:#fff;padding:2px 8px;border-radius:4px;font-weight:600;-webkit-text-fill-color:#fff}
.nav-menu{display:flex;align-items:center;gap:0;flex-shrink:0}
.nav-item{position:relative}
.nav-item>a{position:relative;display:flex;align-items:center;gap:4px;padding:8px 12px;border-radius:10px;font-size:13.5px;font-weight:500;color:var(--text-2);transition:all 0.2s;white-space:nowrap}
.nav-item>a:hover:not(.nav-cta),.nav-item>a.active:not(.nav-cta){background:var(--blue-bg2);color:var(--blue)}
.nav-item>a svg{width:12px;height:12px;opacity:0.6;transition:transform 0.2s}
.nav-item:hover>a svg{transform:rotate(180deg)}

/* Dropdown */
.dropdown{display:none;position:absolute;top:calc(100% + 4px);left:50%;transform:translateX(-50%);background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--card-border);padding:16px;min-width:320px;z-index:100}
.nav-item:hover .dropdown{display:block}
.nav-item>a::after{content:'';position:absolute;left:0;right:0;height:16px;bottom:-16px}
.dd-item{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;border-radius:10px;transition:background 0.15s}
.dd-item:hover{background:var(--blue-bg)}
.dd-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;margin-top:2px}
.dd-text{font-size:13px;font-weight:500;color:var(--text);white-space:nowrap}
.dd-sub{font-size:11px;color:var(--text-3);margin-top:1px}

.nav-cta{background:var(--grad)!important;color:#fff!important;padding:9px 22px!important;border-radius:24px!important;font-weight:700!important;font-size:14px!important;box-shadow:0 4px 16px rgba(14,165,233,0.35);transition:transform 0.2s,box-shadow 0.2s!important;-webkit-text-fill-color:#fff!important}
.nav-cta:hover{transform:translateY(-1px)!important;box-shadow:0 6px 20px rgba(14,165,233,0.45)!important}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.nav-toggle span{width:22px;height:2px;background:var(--text);border-radius:2px;display:block}

/* Mobile Menu */
.mobile-menu{display:none;position:fixed;inset:0;z-index:998;background:rgba(0,0,0,0.5);backdrop-filter:blur(4px)}
.mobile-menu-inner{position:absolute;top:0;right:0;bottom:0;width:80%;max-width:320px;background:#fff;padding:80px 24px 40px;overflow-y:auto}
.mobile-nav-item{margin-bottom:4px}
.mobile-nav-item>a{display:flex;align-items:center;justify-content:space-between;padding:13px 16px;border-radius:12px;font-size:15px;font-weight:600;color:var(--text);transition:background 0.15s}
.mobile-nav-item>a:hover{background:var(--blue-bg2);color:var(--blue)}
.mobile-sub{padding:4px 0 8px 16px}
.mobile-sub a{display:block;padding:8px 16px;font-size:13px;color:var(--text-2);border-radius:8px}
.mobile-sub a:hover{background:var(--blue-bg2);color:var(--blue)}

/* ─── Section Base ─── */
.section{padding:80px 24px}
.section-white{background:#fff}
.section-gray{background:#f8fafc}
.container{max-width:1200px;margin:0 auto}

/* ─── Page Hero ─── */
.page-hero{padding:64px 24px 80px;color:#fff;position:relative;overflow:hidden}
.page-hero-wave{position:absolute;bottom:0;left:0;right:0;height:50px;background:#f5f7fa;clip-path:ellipse(55% 100% at 50% 100%)}
.page-hero-inner{max-width:1200px;margin:0 auto;position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}
.page-hero h1{font-size:clamp(28px,4vw,44px);font-weight:900;margin-bottom:14px}
.page-hero-desc{font-size:16px;opacity:0.85;max-width:540px;margin-bottom:24px;line-height:1.7}
.page-hero-tags{display:flex;gap:8px;flex-wrap:wrap}
@media(max-width:768px){.page-hero-inner{grid-template-columns:1fr}}
.section-head{text-align:center;margin-bottom:52px}
.section-eyebrow{display:inline-flex;align-items:center;gap:6px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:1px;text-transform:uppercase;margin-bottom:12px}
.section-eyebrow::before,.section-eyebrow::after{content:'';width:20px;height:2px;background:var(--blue);border-radius:2px}
.section-head h2{font-size:clamp(26px,4vw,38px);font-weight:900;color:var(--text);margin-bottom:14px;letter-spacing:-0.5px}
.section-head p{font-size:16px;color:var(--text-2);max-width:520px;margin:0 auto}

/* ─── Hero ─── */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#0c1445 0%,#0a2a4a 35%,#0284c7 70%,#0d9488 100%);padding:100px 24px 80px;text-align:center;color:#fff}
.hero-glow{position:absolute;pointer-events:none}
.hero-glow-1{width:600px;height:600px;background:radial-gradient(circle,rgba(14,165,233,0.3) 0%,transparent 70%);top:-200px;right:-100px}
.hero-glow-2{width:400px;height:400px;background:radial-gradient(circle,rgba(13,148,136,0.25) 0%,transparent 70%);bottom:-100px;left:-50px}
.hero-wave{position:absolute;bottom:0;left:0;right:0;height:60px;background:#f0f9ff;clip-path:ellipse(55% 100% at 50% 100%)}
.hero-content{position:relative;z-index:1;max-width:760px;margin:0 auto}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.25);backdrop-filter:blur(8px);border-radius:20px;padding:6px 16px;font-size:13px;margin-bottom:24px;color:rgba(255,255,255,0.9)}
.hero-badge-dot{width:6px;height:6px;background:#4eff91;border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.5;transform:scale(1.3)}}
.hero h1{font-size:clamp(30px,5.5vw,52px);font-weight:900;line-height:1.15;margin-bottom:20px;letter-spacing:-1px}
.hero h1 .highlight{background:linear-gradient(135deg,#7dd3fc,#5eead4);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:clamp(15px,2.5vw,17px);opacity:0.85;margin-bottom:40px;max-width:560px;margin-left:auto;margin-right:auto}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:56px}
.btn-hero-primary{background:#fff;color:var(--blue-dark);padding:15px 36px;border-radius:32px;font-size:16px;font-weight:700;box-shadow:0 6px 24px rgba(0,0,0,0.25);transition:transform 0.2s,box-shadow 0.2s;display:inline-flex;align-items:center;gap:8px}
.btn-hero-primary:hover{transform:translateY(-2px);box-shadow:0 10px 32px rgba(0,0,0,0.35)}
.btn-hero-ghost{background:rgba(255,255,255,0.12);color:#fff;border:1.5px solid rgba(255,255,255,0.35);padding:15px 36px;border-radius:32px;font-size:16px;font-weight:600;backdrop-filter:blur(8px);transition:background 0.2s;display:inline-flex;align-items:center;gap:8px}
.btn-hero-ghost:hover{background:rgba(255,255,255,0.2)}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,0.1);border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,0.15);overflow:hidden;backdrop-filter:blur(12px)}
.hero-stat{padding:20px 10px;text-align:center;background:rgba(255,255,255,0.05)}
.hero-stat-num{font-size:clamp(20px,4vw,30px);font-weight:900;color:#7dd3fc;line-height:1}
.hero-stat-label{font-size:12px;opacity:0.7;margin-top:4px}

/* ─── Cloud Tabs (三云入口) ─── */
.cloud-tabs{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:40px}
.cloud-tab{display:flex;align-items:center;gap:10px;padding:12px 28px;border-radius:40px;font-size:15px;font-weight:700;border:2px solid var(--card-border);color:var(--text-2);background:#fff;cursor:pointer;transition:all 0.2s;box-shadow:var(--shadow-sm)}
.cloud-tab:hover,.cloud-tab.active{color:#fff;border-color:transparent;box-shadow:var(--shadow-md);transform:translateY(-2px)}
.cloud-tab.aliyun:hover,.cloud-tab.aliyun.active{background:linear-gradient(135deg,#FF6A00,#FF9500)}
.cloud-tab.tencent:hover,.cloud-tab.tencent.active{background:linear-gradient(135deg,#006eff,#00b0ff)}
.cloud-tab.volcano:hover,.cloud-tab.volcano.active{background:linear-gradient(135deg,#1a1a2e,#e84393)}

/* ─── Bento Grid ─── */
.bento-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.bento-card{background:var(--card);border-radius:var(--radius-lg);border:1px solid var(--card-border);box-shadow:var(--shadow-sm);padding:28px;transition:transform 0.2s,box-shadow 0.2s;overflow:hidden;position:relative}
.bento-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.bento-a{grid-column:span 5}.bento-b{grid-column:span 4}.bento-c{grid-column:span 3}
.bento-d{grid-column:span 3}.bento-e{grid-column:span 5}.bento-f{grid-column:span 4}
.bento-card-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px}
.bento-card h3{font-size:18px;font-weight:800;color:var(--text);margin-bottom:10px}
.bento-card p{font-size:14px;color:var(--text-2);line-height:1.7}
.bento-card.featured{background:var(--grad);border:none;color:#fff}
.bento-card.featured h3,.bento-card.featured p{color:#fff}
.bento-card.featured p{opacity:0.85}
.bento-card.featured .bento-card-icon{background:rgba(255,255,255,0.15)}
.bento-big-num{font-size:52px;font-weight:900;color:var(--blue);line-height:1;margin-bottom:8px}
.bento-card.featured .bento-big-num{color:#bfefff}
.bento-tag{display:inline-block;background:var(--blue-bg2);color:var(--blue);font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;margin-bottom:12px}
.bento-card.featured .bento-tag{background:rgba(255,255,255,0.2);color:#fff}

/* ─── Cloud Cards ─── */
.cloud-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cloud-card{background:#fff;border-radius:var(--radius-lg);border:2px solid var(--card-border);padding:32px;text-align:center;transition:all 0.25s;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.cloud-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.cloud-card-aliyun:hover{border-color:#FF6A00}
.cloud-card-tencent:hover{border-color:#006eff}
.cloud-card-volcano:hover{border-color:#e84393}
.cloud-card-logo{font-size:48px;margin-bottom:16px}
.cloud-card h3{font-size:20px;font-weight:900;margin-bottom:8px}
.cloud-card-desc{font-size:14px;color:var(--text-2);margin-bottom:20px;line-height:1.7}
.cloud-card-tags{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin-bottom:20px}
.cloud-card-tag{font-size:12px;padding:3px 10px;border-radius:12px;font-weight:600}
.cloud-card-btn{display:inline-block;padding:10px 28px;border-radius:24px;font-size:14px;font-weight:700;color:#fff;transition:transform 0.2s,box-shadow 0.2s}
.cloud-card-btn:hover{transform:translateY(-2px)}
.btn-aliyun{background:linear-gradient(135deg,#FF6A00,#FF9500);box-shadow:0 4px 16px rgba(255,106,0,0.3)}
.btn-tencent{background:linear-gradient(135deg,#006eff,#00b0ff);box-shadow:0 4px 16px rgba(0,110,255,0.3)}
.btn-volcano{background:linear-gradient(135deg,#1a1a2e,#8b1a8b);box-shadow:0 4px 16px rgba(232,67,147,0.3)}

/* ─── News / Article List ─── */
.article-list{display:flex;flex-direction:column;gap:16px}
.article-item{display:flex;gap:20px;background:#fff;border-radius:var(--radius-md);border:1px solid var(--card-border);padding:20px;transition:all 0.2s;box-shadow:var(--shadow-sm)}
.article-item:hover{transform:translateX(4px);border-color:var(--blue);box-shadow:var(--shadow-md)}
.article-cover{width:100px;height:70px;border-radius:10px;object-fit:cover;flex-shrink:0;background:var(--blue-bg2)}
.article-body{flex:1;min-width:0}
.article-cat{display:inline-block;font-size:11px;font-weight:700;color:var(--blue);background:var(--blue-bg2);padding:2px 8px;border-radius:6px;margin-bottom:6px}
.article-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title:hover{color:var(--blue)}
.article-summary{font-size:13px;color:var(--text-3);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-meta{font-size:12px;color:var(--text-3);margin-top:8px}

/* ─── Pagination ─── */
.pagination{display:flex;gap:8px;justify-content:center;margin-top:40px}
.page-btn{padding:8px 16px;border-radius:8px;font-size:14px;font-weight:600;border:1.5px solid var(--card-border);color:var(--text-2);background:#fff;cursor:pointer;transition:all 0.2s;text-decoration:none}
.page-btn:hover,.page-btn.active{background:var(--blue);color:#fff;border-color:var(--blue)}

/* ─── CTA Banner ─── */
.cta-banner{background:var(--grad);padding:64px 24px;text-align:center;color:#fff}
.cta-banner h2{font-size:clamp(24px,4vw,36px);font-weight:900;margin-bottom:12px}
.cta-banner p{font-size:16px;opacity:0.85;margin-bottom:32px}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-cta-white{background:#fff;color:var(--blue-dark);padding:14px 32px;border-radius:28px;font-weight:700;font-size:15px;box-shadow:0 4px 20px rgba(0,0,0,0.2);transition:transform 0.2s}
.btn-cta-white:hover{transform:translateY(-2px)}
.btn-cta-outline{border:2px solid rgba(255,255,255,0.5);color:#fff;padding:14px 32px;border-radius:28px;font-weight:600;font-size:15px;transition:background 0.2s}
.btn-cta-outline:hover{background:rgba(255,255,255,0.1)}

/* ─── Footer ─── */
.footer{background:#0c1a2e;color:rgba(255,255,255,0.6);font-size:13px;padding:60px 24px 0}
.footer-inner{max-width:1200px;margin:0 auto}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,0.08)}
.footer-brand p{font-size:13px;line-height:1.8;margin-bottom:16px}
.footer-logo{display:flex;align-items:center;gap:8px;margin-bottom:16px;font-size:18px;font-weight:800;color:#fff}
.footer-logo span{font-size:11px;background:var(--grad);color:#fff;padding:2px 7px;border-radius:4px;font-weight:600}
.footer-contact-item{padding:4px 0;font-size:13px}
.footer-col-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col a{display:block;color:rgba(255,255,255,0.5);font-size:13px;padding:5px 0;transition:color 0.2s}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:20px 0;font-size:12px;flex-wrap:wrap;gap:8px}
.icp{display:flex;gap:16px;flex-wrap:wrap}
.icp a{color:rgba(255,255,255,0.35);transition:color 0.2s}
.icp a:hover{color:rgba(255,255,255,0.6)}

/* ─── FAQ ─── */
.faq-list{margin-top:4px}
.faq-item{border:1px solid #e0f2fe;border-radius:14px;margin-bottom:10px;overflow:hidden}
.faq-q{padding:18px 20px;font-size:15px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--text);background:#fff;transition:background 0.15s;user-select:none}
.faq-q:hover{background:var(--blue-bg)}
.faq-q .arr{width:20px;height:20px;background:var(--blue-bg2);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:12px;transition:transform 0.3s;flex-shrink:0}
.faq-item.open .faq-q .arr{transform:rotate(180deg)}
.faq-a{display:none;padding:0 20px 18px;font-size:14px;color:var(--text-2);line-height:1.8;background:#fff}
.faq-item.open .faq-a{display:block}

/* ─── Steps ─── */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.steps::before{content:'';position:absolute;top:36px;left:12.5%;right:12.5%;height:2px;background:var(--blue-bg2);z-index:0}
.step-item{text-align:center;position:relative;z-index:1}
.step-num{width:72px;height:72px;border-radius:50%;background:var(--grad);color:#fff;font-size:24px;font-weight:900;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;box-shadow:0 6px 20px rgba(14,165,233,0.3)}
.step-title{font-size:16px;font-weight:700;color:var(--text);margin-bottom:8px}
.step-desc{font-size:13px;color:var(--text-3);line-height:1.7}

/* ─── Animations ─── */
.fade-up{opacity:0;transform:translateY(24px);transition:opacity 0.6s ease,transform 0.6s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}

/* ─── Hero WeChat Card ─── */
.hero-wechat-card{display:flex;align-items:center;justify-content:space-between;gap:20px;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);backdrop-filter:blur(16px);border-radius:var(--radius-lg);padding:20px 28px;max-width:520px;margin:0 auto;text-align:left}
.hero-wechat-info{flex:1}
.hero-wechat-title{font-size:17px;font-weight:800;color:#fff;margin-bottom:6px}
.hero-wechat-sub{font-size:13px;color:rgba(255,255,255,0.75);margin-bottom:6px}
.hero-wechat-phone{font-size:13px;color:rgba(255,255,255,0.65)}
.hero-wechat-qr{width:88px;height:88px;flex-shrink:0;background:rgba(255,255,255,0.15);border-radius:12px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-wechat-qr img{width:88px;height:88px;object-fit:cover;border-radius:10px}

/* ─── Hero btns spacing ─── */
.hero-btns{margin-bottom:28px}

/* ─── Home Lists (新闻+帮助双栏) ─── */
.home-lists{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.home-list-block{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--card-border);padding:28px;box-shadow:var(--shadow-sm)}
.home-list-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;padding-bottom:14px;border-bottom:2px solid var(--blue-bg2)}
.home-list-header h3{font-size:18px;font-weight:800;color:var(--text)}
.home-list-more{font-size:13px;color:var(--blue);font-weight:600}
.home-list-more:hover{text-decoration:underline}
.home-article-list{list-style:none;margin:0;padding:0}
.home-article-item a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid #f0f9ff;color:var(--text);transition:color 0.2s;text-decoration:none}
.home-article-item:last-child a{border-bottom:none}
.home-article-item a:hover .home-article-title{color:var(--blue)}
.home-article-title{font-size:14px;font-weight:500;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.home-article-date{font-size:12px;color:var(--text-3);flex-shrink:0;white-space:nowrap}
.home-article-empty{text-align:center;padding:40px 0;color:var(--text-3);font-size:14px}

/* ─── Responsive ─── */
@media(max-width:1100px){
  .footer-top{grid-template-columns:1fr 1fr 1fr;gap:32px}
  .footer-brand{grid-column:span 3}
  .bento-a{grid-column:span 7}.bento-b{grid-column:span 5}.bento-c{grid-column:span 4}
  .bento-d{grid-column:span 4}.bento-e{grid-column:span 6}.bento-f{grid-column:span 6}
}
@media(max-width:900px){
  .cloud-cards{grid-template-columns:1fr}
  .bento-grid{grid-template-columns:1fr 1fr}
  .bento-a,.bento-b,.bento-c,.bento-d,.bento-e,.bento-f{grid-column:span 1}
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:span 2}
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps::before{display:none}
  .home-lists{grid-template-columns:1fr}
}
@media(max-width:600px){
  .nav-menu{display:none}
  .nav-toggle{display:flex}
  .cloud-cards{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .footer-brand{grid-column:span 1}
  .footer-bottom{flex-direction:column;text-align:center}
  .bento-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .hero-wechat-card{flex-direction:column;text-align:center}
  .home-lists{grid-template-columns:1fr}
}