/* ==========================================================================
   AWS 代理站模板 - 主样式
   色系：AWS 深蓝 #232F3E + 橙 #FF9900
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root{
  --aws-dark:#232F3E;        /* Squid Ink 主深蓝 */
  --aws-dark-2:#1a2230;      /* 更深 */
  --aws-orange:#FF9900;      /* AWS 橙 */
  --aws-orange-d:#ec7211;    /* 橙按下 */
  --aws-blue:#146EB4;        /* 链接蓝 */
  --ink:#16191f;             /* 主文字 */
  --ink-2:#545b64;           /* 次文字 */
  --ink-3:#8a9099;           /* 弱文字 */
  --line:#e3e7eb;            /* 分割线 */
  --bg:#ffffff;              /* 主背景 */
  --bg-soft:#f7f8f9;         /* 软背景 */
  --bg-card:#ffffff;
  --ok:#1e8e3e;              /* 成功绿 */
  --radius:10px;
  --radius-sm:6px;
  --shadow:0 1px 3px rgba(16,24,40,.08), 0 1px 2px rgba(16,24,40,.06);
  --shadow-lg:0 10px 30px rgba(16,24,40,.10);
  --container:1200px;
  --header-h:64px;
  --t:.25s ease;
}

/* ---------- 重置 ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Amazon Ember","Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--t)}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}

/* ---------- 布局 ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-soft{background:var(--bg-soft)}
.section-dark{background:var(--aws-dark);color:#fff}
.section-tight{padding:56px 0}

.section-head{max-width:760px;margin:0 auto 48px;text-align:center}
.section-head .eyebrow{color:var(--aws-orange);font-weight:700;font-size:14px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px}
.section-head h2{font-size:clamp(26px,3.4vw,38px);line-height:1.25;font-weight:700;color:var(--aws-dark)}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:17px}
.text-center{text-align:center}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:15px;line-height:1;
  padding:13px 26px;border-radius:var(--radius-sm);
  transition:all var(--t);white-space:nowrap;cursor:pointer;
  border:1px solid transparent;
}
.btn-primary{background:var(--aws-orange);color:#fff}
.btn-primary:hover{background:var(--aws-orange-d);transform:translateY(-1px);box-shadow:0 6px 16px rgba(236,114,17,.35)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-light{background:#fff;color:var(--aws-dark)}
.btn-light:hover{background:#f0f2f4}
.btn-outline{background:transparent;color:var(--aws-dark);border-color:var(--aws-dark)}
.btn-outline:hover{background:var(--aws-dark);color:#fff}
.btn-lg{padding:16px 34px;font-size:16px}
.btn-block{width:100%}

/* ---------- 顶部导航 ---------- */
.header{
  position:sticky;top:0;z-index:100;
  background:var(--aws-dark);color:#fff;
  height:var(--header-h);
  display:flex;align-items:center;
  box-shadow:0 1px 0 rgba(0,0,0,.2);
}
.header .container{display:flex;align-items:center;justify-content:space-between;width:100%}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:#fff}
.brand .logo{width:30px;height:30px;flex:none}
.brand small{display:block;font-size:11px;font-weight:400;color:rgba(255,255,255,.6);letter-spacing:.05em}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:8px 14px;border-radius:var(--radius-sm);font-size:15px;color:rgba(255,255,255,.85);font-weight:500}
.nav a:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav a.active{color:var(--aws-orange)}
.header .cta-wrap{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;color:#fff}
.nav-toggle svg{width:24px;height:24px}

/* ---------- Hero ---------- */
.hero{
  background:linear-gradient(135deg,#1a2230 0%,#232F3E 55%,#2c3a50 100%);
  color:#fff;position:relative;overflow:hidden;
  padding:84px 0 92px;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(255,153,0,.22) 0%,rgba(255,153,0,0) 65%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:clamp(30px,4.4vw,48px);line-height:1.18;font-weight:800;letter-spacing:-.01em}
.hero h1 .hl{color:var(--aws-orange)}
.hero .sub{margin-top:18px;font-size:18px;color:rgba(255,255,255,.82);display:flex;flex-wrap:wrap;gap:8px 6px}
.hero .sub .pip{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);padding:5px 12px;border-radius:999px;font-size:14px}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px}
.hero-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:16px;padding:26px;backdrop-filter:blur(6px);
}
.trust-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.trust-grid .t{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.92)}
.trust-grid .t svg{width:18px;height:18px;color:#3bb54a;flex:none}

/* ---------- 卖点卡片 ---------- */
.cards-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#d3d8dd}
.card .ico{width:46px;height:46px;border-radius:10px;background:rgba(255,153,0,.12);display:flex;align-items:center;justify-content:center;color:var(--aws-orange-d);margin-bottom:16px}
.card .ico svg{width:24px;height:24px}
.card h3{font-size:18px;color:var(--aws-dark);margin-bottom:8px;font-weight:700}
.card p{color:var(--ink-2);font-size:14.5px}
.card ul{margin-top:10px}
.card ul li{position:relative;padding-left:20px;color:var(--ink-2);font-size:14px;margin:5px 0}
.card ul li::before{content:"";position:absolute;left:2px;top:9px;width:6px;height:6px;border-radius:50%;background:var(--aws-orange)}

/* ---------- 产品网格 ---------- */
.product-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.product{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 16px;
  text-align:center;transition:all var(--t);
}
.product:hover{border-color:var(--aws-orange);box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.product .badge{width:48px;height:48px;margin:0 auto 12px;border-radius:10px;background:var(--aws-dark);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px}
.product .name{font-weight:700;color:var(--aws-dark);font-size:15px}
.product .desc{font-size:12.5px;color:var(--ink-3);margin-top:4px}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{position:relative;padding:30px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.step .num{counter-increment:step;width:44px;height:44px;border-radius:50%;background:var(--aws-orange);color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.step .num::after{content:counter(step)}
.step h3{font-size:18px;color:var(--aws-dark);margin-bottom:8px}
.step p{color:var(--ink-2);font-size:14.5px}
.step .arrow{position:absolute;right:-18px;top:46px;color:var(--aws-orange);font-size:24px;z-index:2}
.step:last-child .arrow{display:none}

/* ---------- 对比横幅 ---------- */
.compare{
  background:linear-gradient(105deg,#232F3E,#2c3a50);color:#fff;border-radius:16px;
  padding:48px;display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:center;overflow:hidden;position:relative
}
.compare::after{content:"";position:absolute;right:-80px;bottom:-80px;width:280px;height:280px;background:radial-gradient(circle,rgba(255,153,0,.25),transparent 65%)}
.compare h2{font-size:clamp(24px,3vw,34px);font-weight:800;position:relative;z-index:1}
.compare p{margin-top:14px;color:rgba(255,255,255,.82);font-size:16px;position:relative;z-index:1}
.compare .cta{position:relative;z-index:1;text-align:right}

/* ---------- 客户评价 ---------- */
.testi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.testi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);position:relative}
.testi .stars{color:var(--aws-orange);font-size:16px;letter-spacing:2px;margin-bottom:10px}
.testi h3{font-size:16px;color:var(--aws-dark);font-weight:700}
.testi blockquote{color:var(--ink-2);font-size:15px;margin:8px 0 14px;line-height:1.7}
.testi .from{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-3);font-weight:600}
.testi .from::before{content:"——";color:var(--ink-3)}

/* ---------- 通用 CTA ---------- */
.cta-band{background:var(--aws-orange);color:#fff;border-radius:16px;padding:48px;text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;left:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.12)}
.cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:800;position:relative}
.cta-band p{margin:12px auto 0;max-width:640px;color:rgba(255,255,255,.92);position:relative}
.cta-band .hero-actions{justify-content:center;position:relative}
.cta-band .btn-primary{background:var(--aws-dark);color:#fff}
.cta-band .btn-primary:hover{background:#000;box-shadow:0 6px 16px rgba(0,0,0,.3)}

/* ---------- 页脚 ---------- */
.footer{background:var(--aws-dark-2);color:rgba(255,255,255,.75);padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer h4{color:#fff;font-size:15px;margin-bottom:14px;font-weight:700}
.footer ul li{margin:8px 0;font-size:14px}
.footer ul li a:hover{color:var(--aws-orange)}
.footer .brand{margin-bottom:14px}
.footer .contact-line{font-size:14px;margin:6px 0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- FAQ 手风琴 ---------- */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--aws-dark)}
.faq-q .pm{width:24px;height:24px;flex:none;color:var(--aws-orange);transition:transform var(--t)}
.faq-item.open .pm{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--ink-2);font-size:15px}
.faq-a .inner{padding:0 24px 20px}
.faq-item.open .faq-a{max-height:400px}

/* ---------- 关于我们 ---------- */
.about-hero{background:linear-gradient(135deg,#1a2230,#232F3E);color:#fff;padding:72px 0;text-align:center}
.about-hero h1{font-size:clamp(28px,3.8vw,40px);font-weight:800}
.about-hero p{max-width:720px;margin:16px auto 0;color:rgba(255,255,255,.82);font-size:17px}
.who-block{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.who-block p{color:var(--ink-2);font-size:16px;margin-bottom:14px}
.who-visual{background:linear-gradient(135deg,#232F3E,#3a4866);border-radius:16px;padding:40px;color:#fff;text-align:center}
.who-visual .big{font-size:42px;font-weight:800;color:var(--aws-orange)}
.flow-line{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.flow-line .fl-step{flex:1;min-width:130px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 12px;box-shadow:var(--shadow)}
.flow-line .fl-step .n{color:var(--aws-orange);font-weight:800;font-size:13px}
.flow-line .fl-step .t{color:var(--aws-dark);font-weight:700;margin-top:4px}
.flow-line .sep{color:var(--aws-orange);font-size:22px}

/* ---------- Blog 页 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:all var(--t)}
.cat-card:hover{border-color:var(--aws-orange);transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.cat-card .ct{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.cat-card .ct .ci{width:42px;height:42px;border-radius:10px;background:rgba(255,153,0,.14);color:var(--aws-orange-d);display:flex;align-items:center;justify-content:center}
.cat-card .ct .ci svg{width:22px;height:22px}
.cat-card h3{font-size:18px;color:var(--aws-dark)}
.cat-card .tags{display:flex;flex-wrap:wrap;gap:8px}
.cat-card .tags a{font-size:13px;padding:5px 11px;background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;color:var(--ink-2)}
.cat-card .tags a:hover{background:var(--aws-dark);color:#fff;border-color:var(--aws-dark)}
.kw-matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.kw-col{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.kw-col h4{color:var(--aws-dark);font-size:15px;margin-bottom:12px;padding-bottom:10px;border-bottom:2px solid var(--aws-orange);display:inline-block}
.kw-col ul li{padding:6px 0;font-size:14px;color:var(--ink-2);border-bottom:1px dashed var(--line)}
.kw-col ul li:last-child{border-bottom:0}

/* ---------- 页面通用 hero（子页） ---------- */
.page-hero{background:linear-gradient(135deg,#1a2230,#232F3E);color:#fff;padding:64px 0;text-align:center}
.page-hero h1{font-size:clamp(28px,3.8vw,40px);font-weight:800}
.page-hero p{max-width:680px;margin:14px auto 0;color:rgba(255,255,255,.82);font-size:16px}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:14px}
.breadcrumb a:hover{color:#fff}

/* ---------- 滚动渐入 ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 客户评价（头像增强） ---------- */
.testi .t-head{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.t-avatar{width:54px;height:54px;border-radius:50%;object-fit:cover;flex:none;background:var(--aws-dark);box-shadow:0 2px 6px rgba(0,0,0,.12);border:2px solid #fff}
.t-avatar--ph{display:flex;align-items:center;justify-content:center;color:var(--aws-orange);font-weight:800;font-size:22px;background:linear-gradient(135deg,#232F3E,#3a4866)}
.testi .t-meta{display:flex;flex-direction:column;gap:2px}
.testi .t-meta .stars{color:var(--aws-orange);letter-spacing:2px;font-size:15px}
.testi .t-meta .from{font-size:13px;color:var(--ink-3);font-weight:600}
.testi h3{margin-top:2px}

/* ---------- 最新文章卡片 ---------- */
.latest-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.latest-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:all var(--t);display:flex;flex-direction:column}
.latest-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--aws-orange)}
.latest-cover{height:160px;background-size:cover;background-position:center;background-color:var(--aws-dark)}
.latest-cover--ph{background:linear-gradient(135deg,#232F3E,#3a4866);position:relative}
.latest-cover--ph::after{content:"AWS";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.18);font-weight:800;font-size:36px;letter-spacing:4px}
.latest-body{padding:18px 20px 22px;flex:1;display:flex;flex-direction:column}
.latest-date{font-size:12px;color:var(--ink-3);margin-bottom:6px}
.latest-body h3{font-size:17px;color:var(--aws-dark);line-height:1.4;margin-bottom:6px;font-weight:700}
.latest-body p{font-size:14px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.latest-empty{padding:40px;text-align:center;color:var(--ink-3);background:#fff;border:1px dashed var(--line);border-radius:var(--radius)}
@media (max-width:1024px){ .latest-grid{grid-template-columns:repeat(2,1fr)} }
@media (max-width:600px){ .latest-grid{grid-template-columns:1fr} }

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .cards-4{grid-template-columns:repeat(2,1fr)}
  .product-grid{grid-template-columns:repeat(5,1fr)}
  .hero-grid{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .compare .cta{text-align:left}
  .who-block{grid-template-columns:1fr}
  .kw-matrix{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .section{padding:56px 0}
  .nav{display:none;position:absolute;top:var(--header-h);left:0;right:0;background:var(--aws-dark-2);flex-direction:column;align-items:stretch;padding:10px 16px;gap:2px}
  .nav.open{display:flex}
  .nav a{padding:14px 12px;border-radius:6px}
  .nav-toggle{display:flex}
  .header .cta-wrap .btn{display:none}
  .steps{grid-template-columns:1fr;gap:14px}
  .step .arrow{display:none}
  .cards-4{grid-template-columns:1fr}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .testi-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .kw-matrix{grid-template-columns:1fr}
  .flow-line{flex-direction:column}
  .flow-line .sep{transform:rotate(90deg)}
  .footer-grid{grid-template-columns:1fr}
  .hero{padding:60px 0 70px}
  .compare{padding:32px}
  .cta-band{padding:32px 22px}
}