/* 蔬净盾官网 · 维鲜家生态科技（广东）有限公司 */
:root{
  --ink:#0d2b26;
  --ink-soft:#3b5a53;
  --muted:#71877f;
  --line:#e2ece8;
  --bg:#ffffff;
  --bg-soft:#f4faf7;
  --brand:#0f8a6b;
  --brand-deep:#0a6b53;
  --brand-light:#e6f7f1;
  --accent:#6fc9a8;
  --gold:#c9a227;
  --radius:16px;
  --radius-lg:26px;
  --shadow-sm:0 2px 10px rgba(13,43,38,.06);
  --shadow:0 10px 34px rgba(13,43,38,.09);
  --shadow-lg:0 24px 60px rgba(13,43,38,.14);
  --max:1160px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.75;
  font-size:16px;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid transparent;
  transition:.3s;
}
.nav.scrolled{border-bottom-color:var(--line);box-shadow:0 4px 20px rgba(13,43,38,.05)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:.5px}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 38px;
  background:linear-gradient(140deg,var(--brand) 0%,#14a37e 55%,var(--accent) 100%);
  display:grid;place-items:center;box-shadow:0 6px 16px rgba(15,138,107,.32);
}
.logo-mark svg{width:23px;height:23px}
.logo-txt b{color:var(--brand-deep)}
.logo-sub{font-size:10.5px;color:var(--muted);letter-spacing:1.6px;font-weight:600;line-height:1;margin-top:3px}

.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:15px;color:var(--ink-soft);font-weight:500;position:relative;padding:4px 0;transition:color .22s}
.nav-links a::after{
  content:'';position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--brand);border-radius:2px;transition:width .26s;
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--brand);font-weight:700}
.nav-links a.active::after{width:100%}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;font-size:15px;font-weight:700;
  border:none;cursor:pointer;transition:.26s;white-space:nowrap;font-family:inherit;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand) 0%,#12a07a 100%);
  color:#fff;box-shadow:0 8px 22px rgba(15,138,107,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,138,107,.36)}
.btn-ghost{background:#fff;color:var(--brand-deep);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-light)}
.btn-lg{padding:15px 34px;font-size:16px}
.nav-cta{padding:10px 22px;font-size:14.5px}

.burger{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.burger span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.burger.on span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.on span:nth-child(2){opacity:0}
.burger.on span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1100px 620px at 88% -8%,rgba(111,201,168,.30) 0%,transparent 62%),
    radial-gradient(760px 520px at 4% 8%,rgba(15,138,107,.15) 0%,transparent 58%),
    linear-gradient(178deg,#f7fcfa 0%,#ffffff 72%);
  padding:78px 0 92px;
}
.hero::after{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(15,138,107,.10) 1px,transparent 1px);
  background-size:26px 26px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 62%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 62%);
}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;position:relative;z-index:2}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:7px 16px;font-size:13px;font-weight:600;color:var(--brand-deep);
  box-shadow:var(--shadow-sm);margin-bottom:22px;
}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(1.35)}}

h1{
  font-size:clamp(32px,4.5vw,52px);line-height:1.22;
  font-weight:900;letter-spacing:-.6px;margin-bottom:22px;
}
.grad{
  background:linear-gradient(115deg,var(--brand) 0%,#17ab82 48%,var(--accent) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{font-size:17.5px;color:var(--ink-soft);margin-bottom:32px;max-width:560px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.hero-stats{display:flex;gap:40px;flex-wrap:wrap}
.hero-stats .st b{display:block;font-size:27px;font-weight:900;color:var(--brand-deep);line-height:1.2;letter-spacing:-.5px}
.hero-stats .st span{font-size:13px;color:var(--muted)}

/* Hero 视觉卡 */
.hero-visual{position:relative}
.hero-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(150deg,#0d4c3d 0%,#0f7057 52%,#12886a 100%);
  box-shadow:var(--shadow-lg);padding:34px;
  aspect-ratio:1/1.02;display:flex;flex-direction:column;justify-content:space-between;
}
.hero-card::before{
  content:'';position:absolute;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(111,201,168,.42),transparent 68%);
  top:-110px;right:-110px;
}
.hero-card::after{
  content:'';position:absolute;width:250px;height:250px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,162,39,.20),transparent 70%);
  bottom:-90px;left:-70px;
}
.machine{position:relative;z-index:2;display:grid;place-items:center;flex:1}
.machine svg{width:100%;max-width:280px;height:auto;filter:drop-shadow(0 22px 38px rgba(0,0,0,.30))}
.bubbles{position:absolute;inset:0;z-index:1;overflow:hidden;border-radius:var(--radius-lg)}
.bubbles i{
  position:absolute;border-radius:50%;
  background:radial-gradient(circle at 32% 30%,rgba(255,255,255,.85),rgba(255,255,255,.10) 62%);
  animation:rise linear infinite;
}
@keyframes rise{
  0%{transform:translateY(60px) scale(.6);opacity:0}
  22%{opacity:.75}
  100%{transform:translateY(-168px) scale(1.15);opacity:0}
}
.hero-tag{
  position:relative;z-index:3;display:flex;gap:9px;flex-wrap:wrap;
}
.hero-tag span{
  background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:12.5px;font-weight:600;padding:6px 13px;border-radius:999px;
  backdrop-filter:blur(6px);
}
.float-badge{
  position:absolute;left:-18px;bottom:34px;z-index:5;
  background:#fff;border-radius:15px;padding:13px 17px;box-shadow:var(--shadow);
  display:flex;align-items:center;gap:11px;
  animation:floaty 4.2s ease-in-out infinite;
}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-11px)}}
.float-badge .ic{
  width:36px;height:36px;border-radius:11px;background:var(--brand-light);
  display:grid;place-items:center;flex:0 0 36px;
}
.float-badge .ic svg{width:19px;height:19px}
.float-badge b{display:block;font-size:13.5px;line-height:1.3}
.float-badge small{font-size:11.5px;color:var(--muted)}

/* ---------- 通用段落 ---------- */
.sec{padding:86px 0}
.sec-soft{background:var(--bg-soft)}
.sec-head{text-align:center;max-width:720px;margin:0 auto 54px}
.kicker{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2.2px;
  color:var(--brand);text-transform:uppercase;margin-bottom:13px;
}
h2{font-size:clamp(25px,3.2vw,37px);font-weight:900;line-height:1.3;letter-spacing:-.4px;margin-bottom:15px}
.sec-head p{color:var(--muted);font-size:16px}
h3{font-size:19px;font-weight:800;margin-bottom:10px;letter-spacing:-.2px}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:24px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 28px;transition:.3s;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cfe8de}
.card .ic-lg{
  width:52px;height:52px;border-radius:15px;margin-bottom:19px;
  background:linear-gradient(140deg,var(--brand-light),#d3f0e5);
  display:grid;place-items:center;
}
.card .ic-lg svg{width:26px;height:26px}
.card p{color:var(--muted);font-size:14.8px;line-height:1.8}

/* ---------- 技术双核 ---------- */
.tech-split{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.tech-card{
  border-radius:var(--radius-lg);padding:38px 34px;color:#fff;position:relative;overflow:hidden;
}
.tech-card.ozone{background:linear-gradient(150deg,#0c5f8a 0%,#0d7fa8 55%,#12a3c4 100%)}
.tech-card.ultra{background:linear-gradient(150deg,#0a6b53 0%,#0f8a6b 55%,#17ab82 100%)}
.tech-card::after{
  content:'';position:absolute;width:250px;height:250px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.20),transparent 68%);
  top:-82px;right:-72px;
}
.tech-card h3{font-size:22px;position:relative;z-index:2;margin-bottom:6px}
.tech-card .en{font-size:12px;letter-spacing:2.6px;opacity:.72;font-weight:700;position:relative;z-index:2;margin-bottom:18px;text-transform:uppercase}
.tech-card p{position:relative;z-index:2;font-size:15px;opacity:.94;line-height:1.85}
.tech-card ul{position:relative;z-index:2;margin-top:20px;display:flex;flex-direction:column;gap:9px}
.tech-card li{font-size:14.2px;display:flex;gap:9px;align-items:flex-start;opacity:.96}
.tech-card li svg{width:17px;height:17px;flex:0 0 17px;margin-top:4px}
.tech-card .big-ic{position:relative;z-index:2;width:56px;height:56px;margin-bottom:18px;
  background:rgba(255,255,255,.18);border-radius:16px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.25)}
.tech-card .big-ic svg{width:30px;height:30px}
.combo-tag{
  display:inline-flex;align-items:center;gap:7px;position:relative;z-index:2;
  background:rgba(255,255,255,.20);border:1px solid rgba(255,255,255,.3);
  padding:5px 13px;border-radius:999px;font-size:12px;font-weight:700;margin-bottom:16px;
}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.step{text-align:center;position:relative;padding:0 8px}
.step-no{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  background:#fff;border:2px solid var(--brand-light);color:var(--brand-deep);
  display:grid;place-items:center;font-size:20px;font-weight:900;
  box-shadow:0 6px 18px rgba(15,138,107,.13);position:relative;z-index:2;
  transition:.3s;
}
.step:hover .step-no{background:var(--brand);color:#fff;border-color:var(--brand);transform:scale(1.07)}
.step h4{font-size:16.5px;font-weight:800;margin-bottom:8px}
.step p{font-size:13.8px;color:var(--muted);line-height:1.75}
.steps::before{
  content:'';position:absolute;top:28px;left:12%;right:12%;height:2px;
  background:repeating-linear-gradient(90deg,var(--brand-light) 0,var(--brand-light) 8px,transparent 8px,transparent 16px);
  z-index:1;
}

/* ---------- 数据栏 ---------- */
.stats-band{
  background:linear-gradient(135deg,#0d4c3d 0%,#0f7057 55%,#118a6a 100%);
  border-radius:var(--radius-lg);padding:52px 44px;color:#fff;
  display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative;overflow:hidden;
}
.stats-band::after{
  content:'';position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(111,201,168,.28),transparent 66%);
  top:-160px;right:-120px;
}
.stats-band .sb{position:relative;z-index:2;text-align:center}
.stats-band .sb b{display:block;font-size:clamp(28px,3.6vw,40px);font-weight:900;line-height:1.15;letter-spacing:-1px}
.stats-band .sb span{font-size:13.5px;opacity:.82;display:block;margin-top:6px}

/* ---------- 对比表 ---------- */
.cmp-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
table.cmp{width:100%;border-collapse:collapse;min-width:620px}
table.cmp th,table.cmp td{padding:17px 22px;text-align:left;font-size:14.8px;border-bottom:1px solid var(--line)}
table.cmp thead th{background:var(--bg-soft);font-weight:800;font-size:14.5px;color:var(--ink)}
table.cmp thead th:nth-child(2){color:var(--brand-deep)}
table.cmp tbody tr:last-child td{border-bottom:none}
table.cmp tbody tr:hover{background:#fafefc}
table.cmp td:first-child{font-weight:700;color:var(--ink-soft)}
.ok{color:var(--brand);font-weight:800}
.no{color:#b9c7c2}
.tick{display:inline-flex;align-items:center;gap:6px}
.tick svg{width:16px;height:16px}

/* ---------- 适用场景 ---------- */
.scene{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene-item{
  border-radius:var(--radius);border:1px solid var(--line);background:#fff;
  padding:30px 26px;transition:.3s;
}
.scene-item:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cfe8de}
.scene-item .em{font-size:31px;margin-bottom:14px;display:block;line-height:1}
.scene-item h4{font-size:17px;font-weight:800;margin-bottom:9px}
.scene-item p{font-size:14.3px;color:var(--muted);line-height:1.8}

/* ---------- 页面头 ---------- */
.page-head{
  background:
    radial-gradient(900px 480px at 82% -18%,rgba(111,201,168,.28) 0%,transparent 62%),
    linear-gradient(178deg,#f7fcfa 0%,#fff 82%);
  padding:64px 0 54px;text-align:center;position:relative;overflow:hidden;
}
.page-head::after{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(15,138,107,.09) 1px,transparent 1px);
  background-size:26px 26px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.45),transparent 70%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.45),transparent 70%);
}
.page-head .wrap{position:relative;z-index:2}
.page-head h1{font-size:clamp(28px,3.8vw,42px);margin-bottom:14px}
.page-head p{color:var(--muted);font-size:16.5px;max-width:640px;margin:0 auto}
.crumb{font-size:13.5px;color:var(--muted);margin-bottom:16px}
.crumb a:hover{color:var(--brand)}

/* ---------- 内容排版块 ---------- */
.prose{max-width:780px}
.prose p{color:var(--ink-soft);font-size:16px;margin-bottom:18px;line-height:1.9}
.prose h3{margin-top:34px;margin-bottom:14px;font-size:20px}
.prose ul.bul{margin:0 0 20px;display:flex;flex-direction:column;gap:11px}
.prose ul.bul li{display:flex;gap:11px;align-items:flex-start;font-size:15.3px;color:var(--ink-soft)}
.prose ul.bul li svg{width:18px;height:18px;flex:0 0 18px;margin-top:5px}

/* ---------- 信息卡 ---------- */
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;box-shadow:var(--shadow-sm);
}
.info-card + .info-card{margin-top:20px}
.info-row{display:flex;gap:15px;align-items:flex-start;padding:15px 0;border-bottom:1px solid var(--line)}
.info-row:last-child{border-bottom:none;padding-bottom:0}
.info-row:first-child{padding-top:0}
.info-row .ic{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:var(--brand-light);display:grid;place-items:center;
}
.info-row .ic svg{width:19px;height:19px}
.info-row .tx b{display:block;font-size:13px;color:var(--muted);font-weight:600;margin-bottom:3px}
.info-row .tx span{font-size:15.5px;font-weight:700;color:var(--ink);word-break:break-all}

/* ---------- 表单 ---------- */
.form-grid{display:grid;gap:16px}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:7px;color:var(--ink-soft)}
.field input,.field textarea,.field select{
  width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:12px;
  font-size:15px;font-family:inherit;color:var(--ink);background:#fff;
  transition:.22s;outline:none;
}
.field input:focus,.field textarea:focus,.field select:focus{
  border-color:var(--brand);box-shadow:0 0 0 4px rgba(15,138,107,.10);
}
.field textarea{resize:vertical;min-height:120px}
.form-note{font-size:12.8px;color:var(--muted);margin-top:4px}

/* ---------- 时间线 ---------- */
.tl{position:relative;padding-left:34px;max-width:760px}
.tl::before{content:'';position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:var(--line)}
.tl-item{position:relative;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:'';position:absolute;left:-31px;top:6px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px var(--brand-light);
}
.tl-item .yr{font-size:13px;font-weight:800;color:var(--brand);letter-spacing:1.2px;margin-bottom:5px}
.tl-item h4{font-size:17px;font-weight:800;margin-bottom:7px}
.tl-item p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,#0d4c3d 0%,#0f7057 55%,#12886a 100%);
  border-radius:var(--radius-lg);padding:60px 48px;color:#fff;
  text-align:center;position:relative;overflow:hidden;
}
.cta-band::before{
  content:'';position:absolute;width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(111,201,168,.30),transparent 66%);
  top:-150px;left:-100px;
}
.cta-band::after{
  content:'';position:absolute;width:330px;height:330px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,162,39,.18),transparent 70%);
  bottom:-130px;right:-80px;
}
.cta-band h2{position:relative;z-index:2;color:#fff;margin-bottom:14px}
.cta-band p{position:relative;z-index:2;opacity:.9;max-width:560px;margin:0 auto 30px;font-size:16.5px}
.cta-band .acts{position:relative;z-index:2;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-white{background:#fff;color:var(--brand-deep)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.22)}
.btn-outline-w{background:transparent;border:1.5px solid rgba(255,255,255,.5);color:#fff}
.btn-outline-w:hover{background:rgba(255,255,255,.14);border-color:#fff}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden;transition:.26s}
.faq-item.open{border-color:#cfe8de;box-shadow:var(--shadow-sm)}
.faq-q{
  padding:19px 24px;font-size:15.8px;font-weight:700;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  user-select:none;
}
.faq-q .ar{flex:0 0 22px;transition:.3s;color:var(--brand)}
.faq-item.open .faq-q .ar{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a-in{padding:0 24px 22px;color:var(--muted);font-size:14.8px;line-height:1.85}

/* ---------- 页脚 ---------- */
footer{background:#0a2a24;color:#a9c4bc;padding:58px 0 26px;font-size:14.5px}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;margin-bottom:42px}
footer .logo{color:#fff;margin-bottom:16px}
footer .logo-txt b{color:#fff}
footer .logo-sub{color:#7ea79c}
.f-about{font-size:14px;line-height:1.85;color:#8fb3aa;max-width:300px}
.f-col h5{font-size:14.5px;font-weight:800;color:#fff;margin-bottom:17px;letter-spacing:.4px}
.f-col ul{display:flex;flex-direction:column;gap:11px}
.f-col a{font-size:14px;color:#8fb3aa;transition:.22s}
.f-col a:hover{color:var(--accent)}
.f-contact li{display:flex;gap:9px;font-size:14px;color:#8fb3aa;align-items:flex-start}
.f-contact li svg{width:16px;height:16px;flex:0 0 16px;margin-top:5px;opacity:.75}
.f-bot{
  border-top:1px solid rgba(255,255,255,.10);padding-top:24px;
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:#7ea79c;
}
.f-bot a:hover{color:var(--accent)}

/* ---------- 浮动联系 ---------- */
.float-contact{
  position:fixed;right:22px;bottom:26px;z-index:90;
  display:flex;flex-direction:column;gap:11px;
}
.fc-btn{
  width:50px;height:50px;border-radius:50%;background:#fff;
  box-shadow:0 8px 24px rgba(13,43,38,.16);display:grid;place-items:center;
  transition:.26s;border:1px solid var(--line);position:relative;
}
.fc-btn:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 14px 30px rgba(13,43,38,.22)}
.fc-btn svg{width:23px;height:23px}
.fc-btn.main{background:linear-gradient(135deg,var(--brand),#12a07a);border:none}
.fc-btn.main svg{width:25px;height:25px}
.fc-tip{
  position:absolute;right:62px;top:50%;transform:translateY(-50%);
  background:var(--ink);color:#fff;font-size:12.5px;font-weight:600;
  padding:7px 13px;border-radius:8px;white-space:nowrap;opacity:0;pointer-events:none;transition:.22s;
}
.fc-btn:hover .fc-tip{opacity:1;right:58px}

/* ---------- 滚动出现动画 ---------- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
.rv.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .g4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px}
  .steps::before{display:none}
  .stats-band{grid-template-columns:repeat(2,1fr);gap:28px;padding:42px 30px}
  .f-grid{grid-template-columns:1fr 1fr;gap:34px}
  .nav-links{
    position:fixed;inset:72px 0 auto 0;background:#fff;flex-direction:column;
    align-items:stretch;gap:0;padding:14px 24px 24px;
    box-shadow:0 18px 34px rgba(13,43,38,.12);border-top:1px solid var(--line);
    transform:translateY(-140%);transition:transform .32s cubic-bezier(.22,.61,.36,1);
    max-height:calc(100vh - 72px);overflow-y:auto;
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}
  .nav-links a::after{display:none}
  .nav-links .btn{margin-top:16px;width:100%}
  .burger{display:flex}
  .nav-cta{display:none}
}
@media (max-width:760px){
  .wrap{padding:0 18px}
  .sec{padding:62px 0}
  .g3,.g2,.scene{grid-template-columns:1fr}
  .tech-split{grid-template-columns:1fr}
  .hero{padding:48px 0 62px}
  .hero-stats{gap:26px}
  .hero-stats .st b{font-size:23px}
  .float-badge{left:0;bottom:-14px;padding:11px 14px}
  .cta-band{padding:44px 24px}
  .stats-band{padding:34px 22px;gap:22px}
  .page-head{padding:44px 0 40px}
  .f-grid{grid-template-columns:1fr;gap:30px}
  .f-about{max-width:none}
  .float-contact{right:14px;bottom:16px}
  .fc-btn{width:44px;height:44px}
  .hero-card{padding:26px}
  .card{padding:26px 22px}
}
@media (max-width:420px){
  .steps{grid-template-columns:1fr;gap:26px}
  .g4{grid-template-columns:1fr}
}