/* ===== 天之南科技 WordPress 主题 — 主样式 ===== */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  color:#2d3436;line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  background:#fff;transition:background 0.8s ease;
}
a{text-decoration:none;color:inherit}ul{list-style:none}

:root{
  --g:#0BAA77;--gl:#0DC58A;--gd:#078550;
  --gg:rgba(11,170,119,0.15);--gs:rgba(11,170,119,0.05);
}

/* Nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:0 64px;height:88px;display:flex;align-items:center;justify-content:space-between;transition:all 0.5s;border-bottom:1px solid transparent}
.nav.on{background:rgba(255,255,255,0.92);backdrop-filter:blur(24px);box-shadow:0 2px 40px rgba(0,0,0,0.05);border-bottom-color:#f0f0f0}
.nav-logo{display:flex;align-items:center;gap:14px}
.nav-logo .mark{width:42px;height:42px;background:linear-gradient(135deg,var(--g),var(--gd));border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:19px;box-shadow:0 4px 16px rgba(11,170,119,0.2)}
.nav-logo span{font-size:20px;font-weight:700;color:#1a1a2e;letter-spacing:-0.3px}
.nav-logo small{font-size:10px;color:#aaa;display:block;font-weight:400}
.nav-links{display:flex;gap:44px}
.nav-links a{font-size:14px;color:#555;font-weight:500;transition:all 0.3s;letter-spacing:0.5px;position:relative;padding:6px 0}
.nav-links a::after{content:'';position:absolute;bottom:0;left:0;width:100%;height:2px;background:var(--g);transform:scaleX(0);transition:transform 0.3s;transform-origin:right}
.nav-links a:hover{color:var(--g)}
.nav-links a:hover::after{transform:scaleX(1);transform-origin:left}
.nav-tel{display:flex;align-items:center;gap:8px;background:var(--g);color:#fff;padding:12px 24px;border-radius:8px;font-size:14px;font-weight:600;transition:all 0.35s;box-shadow:0 4px 16px rgba(11,170,119,0.2)}
.nav-tel:hover{background:var(--gl);transform:translateY(-1px);box-shadow:0 8px 24px rgba(11,170,119,0.3)}
.nav-tel .nub{width:7px;height:7px;background:#fff;border-radius:50%;animation:pulse2 2s infinite}
@keyframes pulse2{0%,100%{opacity:1;box-shadow:0 0 6px #fff}50%{opacity:0.4}}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:15px 34px;border-radius:6px;font-size:14px;font-weight:600;cursor:pointer;border:none;transition:all 0.35s;letter-spacing:0.5px}
.btn-f{background:var(--g);color:#fff}
.btn-f:hover{background:var(--gl);transform:translateY(-2px);box-shadow:0 12px 32px rgba(11,170,119,0.3)}
.btn-o{background:transparent;color:var(--g);border:1px solid rgba(11,170,119,0.3)}
.btn-o:hover{background:var(--g);color:#fff;border-color:var(--g)}
.btn-w{background:#fff;color:var(--g);box-shadow:0 4px 16px rgba(0,0,0,0.08)}
.btn-w:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(0,0,0,0.12)}

/* Scroll progress */
.scroll-bar{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--g),var(--gl));z-index:200;width:0%;transition:width 0.15s linear}

/* Sections */
.sec{min-height:100vh;display:flex;align-items:center;padding:120px 56px;position:relative;overflow:hidden;transition:background 0.8s ease}
.sec-inner{width:100%;max-width:1200px;margin:0 auto;position:relative;z-index:2}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--g);letter-spacing:1.5px;margin-bottom:20px;padding:8px 18px;background:var(--gs);border:1px solid rgba(11,170,119,0.12);border-radius:4px}
.sec-tag::before{content:'';width:7px;height:7px;background:var(--g);border-radius:50%}
.sec-h2{font-size:clamp(30px,4.5vw,48px);font-weight:800;color:#1a1a2e;line-height:1.15;margin-bottom:16px;letter-spacing:-0.02em}
.sec-p{font-size:16px;color:#636e72;line-height:1.8;max-width:560px}

/* Hero */
.hero{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--g);font-weight:600;margin-bottom:24px;padding:8px 18px;background:var(--gs);border:1px solid rgba(11,170,119,0.12);border-radius:4px;letter-spacing:1.5px}
.hero-badge::before{content:'';width:7px;height:7px;background:var(--g);border-radius:50%}
.hero h1{font-size:clamp(38px,5.5vw,60px);font-weight:800;color:#1a1a2e;line-height:1.08;margin-bottom:24px;letter-spacing:-0.03em}
.hero h1 em{font-style:normal;color:var(--g)}
.hero .desc{font-size:17px;color:#636e72;line-height:1.7;margin-bottom:36px;max-width:480px}
.hero-btns{display:flex;gap:14px}
.hero-nums{display:flex;gap:48px;margin-top:48px;padding-top:32px;border-top:1px solid #eee}
.hero-num b{font-size:36px;font-weight:800;color:var(--g);display:block;line-height:1}
.hero-num span{font-size:13px;color:#999;margin-top:4px;display:block}
.hero-visual{position:relative}
.hero-panel{background:#fff;border-radius:16px;padding:36px;box-shadow:0 20px 60px rgba(0,0,0,0.06);position:relative;z-index:2}
.hero-panel h3{font-size:15px;color:#1a1a2e;margin-bottom:20px}
.hero-panel .row{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid #f5f5f5}
.hero-panel .row:last-child{border:none}
.hero-panel .row .ic{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.hero-panel .row .ic svg{width:20px;height:20px;display:block}
.ic1{background:#e8f8f2;color:var(--g)}.ic2{background:#e8f0fe;color:#3b82f6}.ic3{background:#fef7e8;color:#f59e0b}.ic4{background:#fde8f0;color:#ec4899}
.hero-panel .row strong{font-size:14px;color:#1a1a2e;display:block}
.hero-panel .row small{font-size:12px;color:#999}
.hero-decor{position:absolute;width:320px;height:320px;background:var(--gs);border-radius:50%;top:-60px;right:-60px;z-index:1}
.hero-decor2{position:absolute;width:160px;height:160px;border:2px solid var(--gs);border-radius:50%;bottom:-40px;left:-40px;z-index:1}

/* BG layers */
.bg-pattern{position:absolute;inset:0;pointer-events:none;z-index:0;opacity:0.3;background-image:radial-gradient(#e8e8e8 1px,transparent 1px);background-size:40px 40px}
.bg-blob{position:absolute;border-radius:50%;pointer-events:none;z-index:0;opacity:0.5;transition:all 1.2s ease}

/* Intro */
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.intro-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.intro-card{background:#fff;border-radius:12px;padding:32px 24px;text-align:center;box-shadow:0 4px 20px rgba(0,0,0,0.03);transition:all 0.4s;border:1px solid #f0f0f0}
.intro-card:hover{transform:translateY(-4px);box-shadow:0 12px 36px rgba(0,0,0,0.08);border-color:var(--g)}
.intro-card .ic-svg{width:44px;height:44px;color:var(--g);margin:0 auto 14px;display:block;transition:all 0.4s}
.intro-card:hover .ic-svg{color:var(--gd);transform:scale(1.1)}
.intro-card strong{font-size:16px;color:#1a1a2e;display:block;margin-bottom:4px}
.intro-card span{font-size:13px;color:#999}

/* Products */
.svc-tabs{display:flex;gap:8px;margin-bottom:40px;justify-content:center;flex-wrap:wrap}
.svc-tab{padding:12px 24px;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all 0.3s;color:#636e72;background:#fff;border:1px solid #eee}
.svc-tab.active,.svc-tab:hover{color:var(--g);background:var(--gs);border-color:var(--g)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc-card{background:#fff;border-radius:12px;padding:28px;box-shadow:0 4px 20px rgba(0,0,0,0.03);transition:all 0.4s;border:1px solid #f0f0f0;cursor:pointer}
.svc-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,0.08);border-color:var(--g)}
.svc-card .svc-logo{width:44px;height:44px;margin-bottom:14px}
.svc-card .svc-logo svg{width:100%;height:100%}
.svc-card h4{font-size:16px;color:#1a1a2e;margin-bottom:8px}
.svc-card p{font-size:13px;color:#636e72;line-height:1.6;margin-bottom:16px}
.svc-card .tags{display:flex;flex-wrap:wrap;gap:6px}
.svc-card .tags em{font-style:normal;font-size:11px;color:#999;background:#f8f8f8;padding:3px 10px;border-radius:4px}

/* Industries */
.ind-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2px}
.ind-cell{padding:48px 20px;text-align:center;transition:all 0.4s;cursor:pointer;position:relative;border:1px solid #f5f5f5;margin:-0.5px;background-size:cover;background-position:center;overflow:hidden}
.ind-cell::before{content:'';position:absolute;inset:0;background:rgba(255,255,255,0.75);transition:background 0.4s;z-index:1}
.ind-cell:hover::before{background:rgba(255,255,255,0.6)}
.ind-cell:hover{z-index:2;box-shadow:0 8px 32px rgba(0,0,0,0.06)}
.ind-cell>*{position:relative;z-index:2}
.ind-cell .ind-emoji{width:52px;height:52px;display:block;margin:0 auto 12px;color:var(--g);transition:transform 0.4s}
.ind-cell:hover .ind-emoji{transform:scale(1.2)}
.ind-cell .ind-name{font-size:16px;color:#636e72;font-weight:600}
.ind-cell::after{content:'';position:absolute;bottom:0;left:30%;right:30%;height:2px;background:var(--g);transform:scaleX(0);transition:transform 0.4s;z-index:2}
.ind-cell:hover::after{transform:scaleX(1)}

/* Process */
.proc{display:flex;gap:0;position:relative}
.proc::before{content:'';position:absolute;top:44px;left:60px;right:60px;height:2px;background:#eee;z-index:0}
.proc-step{flex:1;text-align:center;position:relative;z-index:1}
.proc-bubble{width:88px;height:88px;border-radius:50%;background:#fff;border:2px solid #eee;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:800;color:#ccc;margin:0 auto 20px;transition:all 0.5s}
.proc-step:hover .proc-bubble{border-color:var(--g);color:var(--g);background:var(--gs);box-shadow:0 0 32px var(--gg);transform:scale(1.08)}
.proc-icon{width:18px;height:18px;display:inline-block;vertical-align:-3px;margin-right:6px;color:var(--g)}
.proc-step h4{font-size:15px;color:#1a1a2e;margin-bottom:4px}
.proc-step p{font-size:13px;color:#999;line-height:1.6}

/* Brands */
.brand-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.brand-badge{padding:14px 24px;border-radius:6px;font-size:14px;font-weight:500;color:#636e72;background:#fff;border:1px solid #eee;transition:all 0.3s;cursor:pointer}
.brand-badge:hover{border-color:var(--g);color:var(--g);background:var(--gs);transform:translateY(-2px)}

/* ===== 客户案例 ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,0.03);transition:all 0.4s;border:1px solid #f0f0f0;cursor:pointer;display:block;position:relative}
.case-card::after{content:'';position:absolute;bottom:0;left:20%;right:20%;height:2px;background:var(--g);transform:scaleX(0);transition:transform 0.4s;z-index:2}
.case-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,0.08)}
.case-card:hover::after{transform:scaleX(1)}
.case-img{height:180px;background:linear-gradient(135deg,#c8f0de,var(--gs),#d0e8f0);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.case-img::before{content:'';position:absolute;inset:0;background:rgba(255,255,255,0.7);transition:background 0.4s;z-index:1}
.case-card:hover .case-img::before{background:rgba(255,255,255,0.35)}
.case-img svg{position:relative;z-index:2;transition:transform 0.4s}
.case-card:hover .case-img svg{transform:scale(1.15)}
.case-body{padding:20px 24px;position:relative;z-index:1}
.case-body h4{font-size:16px;color:#1a1a2e;margin-bottom:4px}
.case-body .case-type{font-size:12px;color:var(--g);font-weight:600;margin-bottom:8px}
.case-body p{font-size:13px;color:#636e72;line-height:1.6}

/* ===== FAQ ===== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;border:1px solid #eee;overflow:hidden;transition:all 0.3s}
.faq-q{padding:20px 24px;font-size:15px;font-weight:600;color:#1a1a2e;cursor:pointer;display:flex;justify-content:space-between;align-items:center;user-select:none}
.faq-q::after{content:'+';font-size:22px;color:var(--g);transition:transform 0.3s}
.faq-item.open .faq-q::after{content:'\2212';transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 0.4s ease;padding:0 24px;font-size:14px;color:#636e72;line-height:1.8}
.faq-item.open .faq-a{max-height:300px;padding:0 24px 20px}

/* ===== 咨询表单 ===== */
.form-wrap{max-width:560px;margin:0 auto;background:#fff;border-radius:16px;padding:40px;box-shadow:0 20px 60px rgba(0,0,0,0.08)}
.form-wrap h3{font-size:20px;color:#1a1a2e;margin-bottom:8px;text-align:center}
.form-wrap .form-sub{font-size:13px;color:#999;text-align:center;margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.form-field{margin-bottom:12px}
.form-field label{display:block;font-size:13px;font-weight:600;color:#1a1a2e;margin-bottom:6px}
.form-field input,.form-field select,.form-field textarea{width:100%;padding:12px 14px;border:1px solid #e0e0e0;border-radius:8px;font-size:14px;font-family:inherit;color:#1a1a2e;transition:border 0.3s;outline:none;background:#fafafa}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--g);background:#fff}
.form-field textarea{resize:vertical;min-height:80px}
.form-submit{width:100%;padding:14px;background:var(--g);color:#fff;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:all 0.3s;margin-top:8px}
.form-submit:hover{background:var(--gl);box-shadow:0 8px 24px rgba(11,170,119,0.3)}

/* CTA */
.cta{text-align:center}
.cta h2{font-size:clamp(30px,4.5vw,44px);font-weight:800;color:#fff;margin-bottom:12px}
.cta p{font-size:16px;color:rgba(255,255,255,0.7);margin-bottom:36px}
.cta .sec-tag{color:rgba(255,255,255,0.85);background:rgba(255,255,255,0.1);border-color:rgba(255,255,255,0.15)}
.cta .sec-tag::before{background:rgba(255,255,255,0.8)}

/* Footer */
.foot{padding:64px 56px 28px;background:#1a1a2e;color:#888}
.foot-inner{max-width:1200px;margin:0 auto}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:60px;margin-bottom:48px}
.foot h5{font-size:14px;color:#fff;margin-bottom:18px}
.foot .info p{font-size:13px;line-height:2.4}
.foot a{display:block;font-size:13px;line-height:2.6;transition:color 0.3s}
.foot a:hover{color:var(--g)}
.foot .qrs{display:flex;gap:20px}
.foot .qr{text-align:center}
.foot .qr-box{width:80px;height:80px;background:#2d2d42;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:11px;border:1px solid #3d3d52;margin-bottom:6px}
.foot .qr span{font-size:11px}
.foot-bot{border-top:1px solid #2d2d42;padding-top:24px;text-align:center;font-size:12px}

/* Animations */
.reveal{opacity:0;will-change:transform,opacity}
.reveal.revealed{opacity:1}
.reveal-up{transform:translateY(50px)}
.reveal-up.revealed{transform:translateY(0);transition:transform 1s cubic-bezier(.16,1,.3,1),opacity 1s cubic-bezier(.16,1,.3,1)}
.stagger>*{opacity:0;transform:translateY(40px);transition:transform 0.9s cubic-bezier(.16,1,.3,1),opacity 0.9s cubic-bezier(.16,1,.3,1)}
.stagger.revealed>*:nth-child(1){transition-delay:0s}
.stagger.revealed>*:nth-child(2){transition-delay:0.1s}
.stagger.revealed>*:nth-child(3){transition-delay:0.2s}
.stagger.revealed>*:nth-child(4){transition-delay:0.3s}
.stagger.revealed>*:nth-child(5){transition-delay:0.4s}
.stagger.revealed>*:nth-child(6){transition-delay:0.5s}
.stagger.revealed>*:nth-child(7){transition-delay:0.6s}
.stagger.revealed>*:nth-child(8){transition-delay:0.7s}
.stagger.revealed>*{opacity:1;transform:translateY(0)}
@keyframes flyLeft{from{opacity:0;transform:translateX(-80px)}to{opacity:1;transform:translateX(0)}}
@keyframes flyRight{from{opacity:0;transform:translateX(80px)}to{opacity:1;transform:translateX(0)}}
@keyframes flyUp{from{opacity:0;transform:translateY(50px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.anim-left{animation:flyLeft 1s cubic-bezier(.16,1,.3,1) both}
.anim-right{animation:flyRight 1s cubic-bezier(.16,1,.3,1) 0.25s both}
.anim-up{animation:flyUp 0.9s cubic-bezier(.16,1,.3,1) both}
.anim-fade{animation:fadeIn 2s ease both}
.float{animation:float 6s ease-in-out infinite}

/* Responsive */
@media(max-width:1024px){
  .nav{padding:0 24px}.nav-links{display:none}
  .sec{padding:80px 24px}
  .hero{grid-template-columns:1fr;gap:48px}
  .intro-grid{grid-template-columns:1fr;gap:48px}
  .svc-grid{grid-template-columns:1fr 1fr}
  .ind-grid{grid-template-columns:repeat(3,1fr)}
  .case-grid{grid-template-columns:1fr 1fr}
  .proc{flex-wrap:wrap;gap:24px}.proc::before{display:none}
  .foot-grid{grid-template-columns:1fr 1fr;gap:40px}
  .hero-nums{gap:24px;flex-wrap:wrap}
}
@media(max-width:640px){
  .sec{padding:60px 16px}
  .svc-grid{grid-template-columns:1fr}
  .ind-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .sec-h2{font-size:26px}.hero h1{font-size:30px}.hero-nums{flex-wrap:wrap;gap:20px}
}