/* 豚小洋官网样式 - 橙色系 SaaS 风格 */
:root{
  --c-primary:#FF6A13;
  --c-primary-dark:#F0500A;
  --c-primary-light:#FF8A33;
  --c-primary-soft:#FFF3EA;
  --c-text:#2b2f38;
  --c-text-sub:#5b6373;
  --c-muted:#8a93a3;
  --c-bg:#ffffff;
  --c-bg-alt:#fafbfd;
  --c-border:#eef0f5;
  --grad-primary:linear-gradient(135deg,#FF8A33 0%,#F0500A 100%);
  --grad-warm:linear-gradient(135deg,#FFA94D 0%,#FF6A13 60%,#F0500A 100%);
  --shadow-sm:0 4px 18px rgba(31,36,48,.06);
  --shadow-md:0 16px 40px rgba(240,80,10,.12);
  --shadow-lg:0 30px 70px rgba(31,36,48,.14);
  --radius:18px;
  --radius-sm:12px;
  --header-h:72px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,"Noto Sans SC",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--c-text);background:var(--c-bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 22px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;border:1.5px solid transparent;transition:.25s;white-space:nowrap}
.btn-lg{padding:14px 34px;font-size:16px}
.btn-block{display:flex;width:100%}
.btn-primary{background:var(--grad-primary);color:#fff;box-shadow:0 8px 20px rgba(240,80,10,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(240,80,10,.36)}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:#fff}
.btn-outline:hover{background:var(--c-primary-soft)}
.btn-ghost{color:var(--c-text-sub);background:transparent}
.btn-ghost:hover{color:var(--c-primary)}
.btn-light{background:#fff;color:var(--c-primary-dark)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-outline-light{border-color:rgba(255,255,255,.7);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.15)}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--c-border)}
.header-inner{height:var(--header-h);display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px}
.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--grad-primary);color:#fff;display:grid;place-items:center;font-size:19px;font-weight:800}
.brand-img{height:36px;width:auto}
.brand-text{background:var(--grad-warm);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.main-nav{display:flex;gap:30px;margin-left:14px;flex:1}
.main-nav a{font-size:15px;font-weight:500;color:var(--c-text-sub);position:relative;padding:4px 0}
.main-nav a:hover{color:var(--c-primary)}
.main-nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--c-primary);transition:.25s}
.main-nav a:hover::after{width:100%}
.header-actions{display:flex;align-items:center;gap:12px}
.header-phone{font-size:15px;font-weight:700;color:var(--c-primary-dark)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:var(--c-text);border-radius:2px;transition:.25s}

/* 首屏 */
.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 600px at 80% -10%,var(--c-primary-soft),transparent 60%),linear-gradient(180deg,#fff 0%,#fff8f3 100%)}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center;padding:80px 24px 90px}
.hero-tag{display:inline-block;background:var(--c-primary-soft);color:var(--c-primary-dark);font-size:14px;font-weight:600;padding:7px 16px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:48px;line-height:1.2;font-weight:800;letter-spacing:-.5px;margin-bottom:22px}
.hero-sub{font-size:18px;color:var(--c-text-sub);margin-bottom:32px;max-width:540px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.hero-highlights{display:flex;gap:24px;margin-top:30px;flex-wrap:wrap}
.hero-highlights li{font-size:15px;color:var(--c-text-sub);position:relative;padding-left:24px}
.hero-highlights li::before{content:"✓";position:absolute;left:0;color:var(--c-primary);font-weight:800}
.hero-visual{display:flex;justify-content:center}
.hero-img{border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.hero-mock{width:100%;max-width:420px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);overflow:hidden;border:1px solid var(--c-border)}
.mock-bar{display:flex;gap:7px;padding:14px 18px;background:var(--c-bg-alt);border-bottom:1px solid var(--c-border)}
.mock-bar i{width:11px;height:11px;border-radius:50%;background:#ddd}
.mock-bar i:nth-child(1){background:#ff5f57}.mock-bar i:nth-child(2){background:#febc2e}.mock-bar i:nth-child(3){background:#28c840}
.mock-body{padding:24px 20px;display:flex;flex-direction:column;gap:14px;min-height:260px}
.mock-chat{max-width:78%;padding:11px 16px;border-radius:14px;font-size:14px;line-height:1.5}
.mock-chat.left{background:var(--c-bg-alt);color:var(--c-text);border-bottom-left-radius:4px;align-self:flex-start}
.mock-chat.right{background:var(--grad-primary);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}
.mock-typing{align-self:flex-start;background:var(--c-bg-alt);padding:13px 16px;border-radius:14px;display:flex;gap:5px}
.mock-typing span{width:7px;height:7px;border-radius:50%;background:var(--c-muted);animation:blink 1.2s infinite}
.mock-typing span:nth-child(2){animation-delay:.2s}.mock-typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.3}30%{opacity:1}}

/* 数据统计 */
.stats{margin-top:-40px;position:relative;z-index:2}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:38px 30px}
.stat-item{text-align:center}
.stat-num{font-size:40px;font-weight:800;background:var(--grad-warm);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1.1}
.stat-label{color:var(--c-text-sub);font-size:15px;margin-top:8px}

/* 通用区块 */
.section{padding:88px 0}
.section-alt{background:var(--c-bg-alt)}
.section-head{text-align:center;max-width:680px;margin:0 auto 54px}
.section-head h2{font-size:36px;font-weight:800;letter-spacing:-.5px;margin-bottom:14px}
.section-head p{font-size:17px;color:var(--c-text-sub)}
/* 常见问题 FAQ */
.faq-list{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.faq-item{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);padding:32px 34px;transition:.3s}
.faq-item:hover{border-color:var(--c-primary-light);box-shadow:var(--shadow-md)}
.faq-q{font-size:16.5px;font-weight:700;color:var(--c-text);line-height:1.65;margin-bottom:18px;padding-left:30px;position:relative}
.faq-q::before{content:"Q";position:absolute;left:0;top:0;width:22px;height:22px;border-radius:6px;background:var(--c-primary-soft);color:var(--c-primary);font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center}
.faq-a{font-size:15px;color:var(--c-text-sub);line-height:2.05;padding-left:30px}

.grid{display:grid;gap:26px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);padding:32px;transition:.3s;box-shadow:var(--shadow-sm)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#ffe0c9}

/* 功能卡片 */
.feature-icon{width:60px;height:60px;border-radius:16px;background:var(--c-primary-soft);display:grid;place-items:center;font-size:30px;margin-bottom:20px}
.feature-card h3{font-size:20px;margin-bottom:10px}
.feature-card p{color:var(--c-text-sub);font-size:15px}

/* 解决方案 */
.solution-card{display:flex;flex-direction:column;padding:0;overflow:hidden}
.solution-img img{width:100%;height:200px;object-fit:cover}
.solution-body{padding:30px}
.solution-body h3{font-size:22px;margin-bottom:12px}
.solution-body p{color:var(--c-text-sub);margin-bottom:18px}
.tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{background:var(--c-primary-soft);color:var(--c-primary-dark);font-size:13px;padding:5px 13px;border-radius:999px;font-weight:500}

/* 优势 */
.advantage-item{display:flex;gap:18px;align-items:flex-start;padding:8px}
.adv-icon{flex-shrink:0;width:54px;height:54px;border-radius:14px;background:var(--grad-primary);color:#fff;display:grid;place-items:center;font-size:26px;box-shadow:0 8px 18px rgba(240,80,10,.25)}
.advantage-item h3{font-size:19px;margin-bottom:6px}
.advantage-item p{color:var(--c-text-sub);font-size:15px}

/* 客户 logo */
.logo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.logo-item{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius-sm);height:96px;display:grid;place-items:center;font-size:18px;font-weight:700;color:var(--c-text-sub);transition:.25s}
.logo-item:hover{color:var(--c-primary);border-color:#ffd9bf;box-shadow:var(--shadow-sm)}
.logo-item img{max-height:50px;width:auto;object-fit:contain}

/* 评价 */
.testimonial-card{position:relative}
.testimonial-card .quote{position:absolute;top:18px;right:26px;font-size:64px;color:var(--c-primary-soft);font-family:Georgia,serif;line-height:1}
.t-content{color:var(--c-text-sub);font-size:15px;margin-bottom:22px;position:relative;z-index:1}
.t-author{display:flex;align-items:center;gap:12px}
.t-avatar{width:46px;height:46px;border-radius:50%;object-fit:cover}
.t-avatar-txt{background:var(--grad-primary);color:#fff;display:grid;place-items:center;font-weight:700;font-size:18px}
.t-name{font-weight:700}
.t-company{font-size:13px;color:var(--c-muted)}

/* 价格 */
.pricing-grid{align-items:stretch}
.price-card{display:flex;flex-direction:column;position:relative;text-align:center}
.price-rec{border:2px solid var(--c-primary);box-shadow:var(--shadow-md);transform:translateY(-8px)}
.price-rec:hover{transform:translateY(-12px)}
.price-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad-primary);color:#fff;font-size:13px;font-weight:600;padding:5px 18px;border-radius:999px}
.price-name{font-size:20px;margin-bottom:14px}
.price-amount{font-size:38px;font-weight:800;color:var(--c-primary-dark);margin-bottom:6px}
.price-amount small{font-size:15px;font-weight:500;color:var(--c-muted)}
.price-desc{color:var(--c-text-sub);font-size:14px;margin-bottom:22px}
.price-features{text-align:left;flex:1;margin-bottom:24px}
.price-features li{padding:9px 0 9px 26px;position:relative;font-size:15px;color:var(--c-text-sub);border-bottom:1px dashed var(--c-border)}
.price-features li::before{content:"✓";position:absolute;left:0;color:var(--c-primary);font-weight:800}

/* CTA */
.cta-band{background:var(--grad-warm);color:#fff;padding:72px 0;text-align:center}
.cta-band h2{font-size:34px;font-weight:800;margin-bottom:14px}
.cta-band p{font-size:18px;opacity:.95;margin-bottom:30px}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:#1c2027;color:#aab2c0;font-size:14px}
.footer-top{display:grid;grid-template-columns:1.4fr 2fr 1fr;gap:40px;padding:60px 24px 40px}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand .brand-text{-webkit-text-fill-color:#fff;color:#fff}
.footer-intro{margin-bottom:18px;max-width:300px}
.footer-contact li{margin-bottom:8px}
.footer-contact strong{color:#fff}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col li{margin-bottom:11px}
.footer-col a:hover{color:var(--c-primary-light)}
.footer-qr{display:flex;gap:18px}
.qr-item{text-align:center}
.qr-item img,.qr-placeholder{width:96px;height:96px;border-radius:10px;background:#2a2f38;display:grid;place-items:center;color:#666;margin-bottom:8px;object-fit:cover}
.footer-bottom{border-top:1px solid #2a2f38;padding:20px 0}
.footer-bottom .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:#7d8698}
.footer-record{display:flex;gap:16px}
.footer-record a:hover{color:var(--c-primary-light)}

/* 悬浮客服 */
.service-widget{position:fixed;right:24px;bottom:30px;z-index:200;display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.sw-fab{display:flex;flex-direction:column;align-items:center;gap:2px;background:var(--grad-primary);color:#fff;border:none;border-radius:50px;padding:14px 12px;cursor:pointer;box-shadow:0 10px 26px rgba(240,80,10,.4);transition:.25s}
.sw-fab:hover{transform:scale(1.06)}
.sw-fab-icon{font-size:24px}
.sw-fab-text{font-size:12px;writing-mode:vertical-lr;letter-spacing:2px}
.sw-top{width:46px;height:46px;border-radius:12px;background:#fff;border:1px solid var(--c-border);color:var(--c-text-sub);display:none;place-items:center;font-size:20px;box-shadow:var(--shadow-sm);cursor:pointer}
.sw-top.show{display:grid}
.sw-panel{display:none;width:260px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);overflow:hidden;border:1px solid var(--c-border)}
.sw-panel.show{display:block;animation:swin .25s ease}
.sw-panel-chat{width:min(380px,calc(100vw - 32px))}
.sw-chat-phone{display:block;text-align:center;padding:11px 14px;background:var(--c-primary-soft);color:var(--c-primary-dark);font-size:14px;border-bottom:1px solid var(--c-border)}
.sw-chat-phone strong{font-weight:800;letter-spacing:.5px}
.sw-chat{display:block;width:100%;height:min(520px,68vh);border:0}
@keyframes swin{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.sw-head{background:var(--grad-primary);color:#fff;padding:14px 18px;font-weight:700;display:flex;justify-content:space-between;align-items:center}
.sw-close{background:none;border:none;color:#fff;font-size:22px;cursor:pointer;line-height:1}
.sw-body{padding:20px 18px;text-align:center}
.sw-desc{color:var(--c-text-sub);font-size:14px;margin-bottom:14px}
.sw-phone{display:block;font-size:20px;font-weight:800;color:var(--c-primary-dark);margin-bottom:14px}
.sw-qr img{width:140px;height:140px;margin:0 auto 8px;border-radius:10px;object-fit:cover}
.sw-qr span{font-size:13px;color:var(--c-muted)}

/* 进场动画 */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* 响应式 */
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr;text-align:center;padding:56px 24px 70px}
  .hero-sub{margin-left:auto;margin-right:auto}
  .hero-btns,.hero-highlights{justify-content:center}
  .hero-visual{margin-top:40px}
  .footer-top{grid-template-columns:1fr;gap:30px}
  .footer-cols{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:768px){
  .main-nav{position:fixed;top:var(--header-h);left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:10px 0;box-shadow:var(--shadow-md);transform:translateY(-150%);transition:.3s;opacity:0;pointer-events:none}
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .main-nav a{padding:14px 24px;border-bottom:1px solid var(--c-border)}
  .nav-toggle{display:flex;margin-left:auto}
  .header-actions .header-phone,.header-actions .btn-ghost{display:none}
  .hero h1{font-size:33px}
  .hero-sub{font-size:16px}
  .section{padding:60px 0}
  .section-head h2{font-size:27px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px 16px;padding:30px 18px}
  .stat-num{font-size:32px}
  .grid-2,.grid-3,.logo-grid,.faq-list{grid-template-columns:1fr}
  .logo-grid{grid-template-columns:repeat(2,1fr)}
  .price-rec{transform:none}
  .footer-cols{grid-template-columns:repeat(2,1fr)}
  .sw-fab-text{display:none}
  .sw-fab{border-radius:50%;width:56px;height:56px;padding:0;justify-content:center}
}