/* ============================================================
   东莞入户网 · ruhu.yisxue.cn
   纯静态展示页面样式 · 主色 #3EA955
   ============================================================ */
:root{
  --brand:#3EA955;
  --brand-dark:#2C8A42;
  --brand-deep:#1E6B31;
  --brand-light:#E8F7ED;
  --ink:#1F2D27;
  --ink-2:#4A5A52;
  --ink-3:#7A8A82;
  --blue:#2F7FE0;   --blue-bg:#EAF3FE;
  --cyan:#12A5B8;   --cyan-bg:#E5F7FA;
  --orange:#F08A24; --orange-bg:#FEF3E6;
  --purple:#7C5CD6; --purple-bg:#F1EDFC;
  --pink:#E85C8A;   --pink-bg:#FDEDF3;
  --gold:#D9A62E;   --gold-bg:#FBF4E2;
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(31,45,39,.06);
  --shadow-md:0 10px 30px rgba(31,45,39,.10);
  --shadow-lg:0 18px 46px rgba(31,45,39,.16);
  --nav-h:76px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.7;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button{font-family:inherit;border:none;background:none;cursor:pointer}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 通用模块头 ---------- */
.sec{padding:78px 0}
.sec-head{text-align:center;margin-bottom:46px}
.sec-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;letter-spacing:2px;
  padding:6px 18px;border-radius:999px;margin-bottom:14px;
}
.sec-title{font-size:34px;font-weight:800;letter-spacing:1px}
.sec-sub{font-size:15px;color:var(--ink-3);margin-top:10px}

/* ============ 顶部导航（纯白，不随滚动变化） ============ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:900;
  background:#FFFFFF;
  border-bottom:1px solid #EEF2EF;
  height:var(--nav-h);
}
.nav-inner{
  max-width:1280px;margin:0 auto;height:100%;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;
}
.nav-logo img{height:60px;width:auto}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  font-size:15px;font-weight:500;color:var(--ink-2);
  padding:9px 15px;border-radius:999px;
  transition:color .25s,background .25s;
}
.nav-links a:hover,.nav-links a.on{color:var(--brand-dark);background:var(--brand-light)}
.nav-cta{
  display:inline-flex;align-items:center;gap:7px;
  background:linear-gradient(135deg,#3EA955,#2C8A42);
  color:#fff;font-size:15px;font-weight:600;
  padding:10px 22px;border-radius:999px;margin-left:12px;
  box-shadow:0 6px 16px rgba(62,169,85,.32);
  transition:transform .25s,box-shadow .25s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(62,169,85,.4)}
.nav-burger{display:none;flex-direction:column;gap:5px;padding:10px;align-items:flex-end}
.nav-burger span{display:block;height:3px;border-radius:3px;background:var(--brand-dark);transition:.3s}
.nav-burger span:nth-child(1){width:26px}
.nav-burger span:nth-child(2){width:20px}
.nav-burger span:nth-child(3){width:26px}
.nav-burger .burger-label{font-size:11px;color:var(--brand-dark);font-weight:600;letter-spacing:1px}

/* ============ 移动端右侧抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;z-index:950;
  background:rgba(15,30,22,.5);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:.35s;
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:960;
  width:min(310px,84vw);
  background:#fff;
  transform:translateX(105%);
  transition:transform .38s cubic-bezier(.22,.8,.3,1);
  display:flex;flex-direction:column;
  box-shadow:-14px 0 40px rgba(0,0,0,.18);
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open{overflow:hidden}
.drawer-brand{
  background:linear-gradient(135deg,#3EA955 0%,#1E8A5E 55%,#12A5B8 100%);
  padding:26px 22px 22px;color:#fff;position:relative;overflow:hidden;
}
.drawer-brand::after{
  content:"";position:absolute;right:-32px;top:-32px;width:120px;height:120px;
  border-radius:50%;background:rgba(255,255,255,.14);
}
.drawer-brand img{height:44px;width:auto;background:#fff;border-radius:10px;padding:5px 10px}
.drawer-brand p{margin-top:12px;font-size:13px;opacity:.92;letter-spacing:1px}
.drawer-close{
  position:absolute;top:14px;right:14px;z-index:2;
  width:32px;height:32px;border-radius:50%;
  background:rgba(255,255,255,.22);color:#fff;font-size:16px;line-height:1;
}
.drawer-nav{flex:1;overflow-y:auto;padding:16px 14px}
.drawer-nav a{
  display:flex;align-items:center;gap:13px;
  padding:12px 12px;border-radius:14px;
  font-size:15.5px;font-weight:500;color:var(--ink);
  transition:background .2s;
}
.drawer-nav a:active{background:#F2F6F3}
.d-ico{
  width:38px;height:38px;border-radius:12px;flex:0 0 38px;
  display:flex;align-items:center;justify-content:center;
}
.d-ico svg{width:19px;height:19px}
.d-green{background:var(--brand-light);color:var(--brand-dark)}
.d-blue{background:var(--blue-bg);color:var(--blue)}
.d-cyan{background:var(--cyan-bg);color:var(--cyan)}
.d-orange{background:var(--orange-bg);color:var(--orange)}
.d-purple{background:var(--purple-bg);color:var(--purple)}
.d-pink{background:var(--pink-bg);color:var(--pink)}
.d-gold{background:var(--gold-bg);color:var(--gold)}
.drawer-foot{
  padding:16px;border-top:1px solid #F0F3F1;
}
.drawer-foot a{
  display:flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(135deg,#3EA955,#2C8A42);color:#fff;
  border-radius:999px;padding:12px;font-weight:600;font-size:15px;
}

/* ============ 首屏 ============ */
.hero{
  position:relative;
  padding:calc(var(--nav-h) + 56px) 0 86px;
  background:
    radial-gradient(900px 480px at 88% -10%,rgba(18,165,184,.16),transparent 60%),
    radial-gradient(700px 420px at -10% 30%,rgba(62,169,85,.14),transparent 55%),
    linear-gradient(160deg,#F2FBF4 0%,#EAF6EE 40%,#E9F6F7 100%);
  overflow:hidden;
}
.hero-deco{
  position:absolute;border-radius:50%;pointer-events:none;
}
.hero-deco.a{width:220px;height:220px;left:-80px;bottom:-80px;background:radial-gradient(circle,rgba(240,138,36,.16),transparent 70%)}
.hero-deco.b{width:180px;height:180px;right:12%;bottom:-40px;background:radial-gradient(circle,rgba(124,92,214,.14),transparent 70%)}
.hero-grid{
  display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;
}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid rgba(62,169,85,.35);
  color:var(--brand-dark);font-size:13.5px;font-weight:600;
  border-radius:999px;padding:7px 16px;letter-spacing:1px;
  box-shadow:var(--shadow-sm);
}
.hero-kicker .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(62,169,85,.5)}55%{box-shadow:0 0 0 7px rgba(62,169,85,0)}}
.hero h1{
  font-size:46px;line-height:1.28;font-weight:900;margin:22px 0 8px;letter-spacing:1px;
}
.hero h1 .grad{
  background:linear-gradient(100deg,#2C8A42 10%,#12A5B8 60%,#2F7FE0 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
/* 核心高亮句 */
.hero-slogan{
  margin:20px 0 6px;
  display:inline-block;
  background:linear-gradient(120deg,#F08A24,#E85C8A);
  color:#fff;font-size:19px;font-weight:800;letter-spacing:.5px;
  padding:13px 22px;border-radius:16px 16px 16px 4px;
  box-shadow:0 10px 26px rgba(232,92,138,.32);
  position:relative;
}
.hero-slogan em{
  font-style:normal;background:#FFF3C4;color:#B4551A;
  border-radius:6px;padding:1px 7px;margin:0 2px;
  box-shadow:inset 0 -2px 0 rgba(240,138,36,.45);
}
.hero-desc{color:var(--ink-2);font-size:15.5px;margin-top:16px;max-width:520px}
.hero-btns{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.btn-main{
  display:inline-flex;align-items:center;gap:9px;
  background:linear-gradient(135deg,#3EA955,#1E8A5E);
  color:#fff;font-size:16px;font-weight:700;
  padding:14px 30px;border-radius:999px;
  box-shadow:0 10px 24px rgba(62,169,85,.36);
  transition:transform .25s,box-shadow .25s;
}
.btn-main:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(62,169,85,.45)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;
  background:#fff;color:var(--brand-dark);
  border:1.5px solid rgba(62,169,85,.5);
  font-size:16px;font-weight:600;padding:13px 28px;border-radius:999px;
  transition:transform .25s,background .25s;
}
.btn-ghost:hover{transform:translateY(-3px);background:var(--brand-light)}
.hero-chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.hero-chips span{
  font-size:13px;font-weight:600;padding:7px 14px;border-radius:999px;background:#fff;box-shadow:var(--shadow-sm);
}
.chip-blue{color:var(--blue)} .chip-cyan{color:var(--cyan)}
.chip-orange{color:var(--orange)} .chip-purple{color:var(--purple)}
/* 首屏右侧视觉 */
.hero-visual{position:relative}
.hero-photo{
  border-radius:30px 90px 30px 30px;overflow:hidden;
  box-shadow:var(--shadow-lg);
  transform:rotate(1.2deg);
}
.hero-photo img{width:100%;height:400px;object-fit:cover}
.float-card{
  position:absolute;background:#fff;border-radius:16px;box-shadow:var(--shadow-md);
  padding:12px 18px;display:flex;align-items:center;gap:11px;
  animation:floatY 4.2s ease-in-out infinite;
}
.float-card .fc-num{font-size:21px;font-weight:900;line-height:1.1}
.float-card .fc-txt{font-size:12px;color:var(--ink-3)}
.float-card.f1{left:-26px;top:26px;animation-delay:.2s}
.float-card.f1 .fc-num{color:var(--brand-dark)}
.float-card.f2{right:-14px;top:45%;animation-delay:1.2s}
.float-card.f2 .fc-num{color:var(--orange)}
.float-card.f3{left:8%;bottom:-22px;animation-delay:2.1s}
.float-card.f3 .fc-num{color:var(--blue)}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ============ 核心优势条 ============ */
.strip{
  padding:64px 0;
  background:linear-gradient(180deg,#FFFFFF 0%,#F7FBF8 100%);
}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.strip-card{
  border-radius:var(--radius-lg);padding:28px 22px;
  color:#fff;position:relative;overflow:hidden;
  transition:transform .3s,box-shadow .3s;
}
.strip-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.strip-card::before{
  content:"";position:absolute;right:-26px;top:-26px;
  width:96px;height:96px;border-radius:50%;background:rgba(255,255,255,.16);
}
.strip-card .s-ico{
  width:48px;height:48px;border-radius:14px;background:rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.strip-card .s-ico svg{width:24px;height:24px}
.strip-card h3{font-size:18px;font-weight:800;margin-bottom:8px;letter-spacing:.5px}
.strip-card p{font-size:13.5px;opacity:.92;line-height:1.65}
.sc-green{background:linear-gradient(135deg,#3EA955,#1E7A3E)}
.sc-blue{background:linear-gradient(135deg,#3D8FEA,#1F5FB8)}
.sc-orange{background:linear-gradient(135deg,#F5A03C,#E0731A)}
.sc-purple{background:linear-gradient(135deg,#8E6CE8,#6244BE)}

/* ============ 成功案例（轮播） ============ */
.cases{
  background:
    radial-gradient(680px 340px at 8% 0%,rgba(62,169,85,.25),transparent 55%),
    radial-gradient(720px 400px at 95% 100%,rgba(47,127,224,.28),transparent 55%),
    linear-gradient(150deg,#12351F 0%,#123A47 55%,#1A2B52 100%);
  color:#fff;
}
.cases .sec-tag{background:rgba(255,255,255,.14);color:#9FE8B4}
.cases .sec-title{color:#fff}
.cases .sec-sub{color:rgba(255,255,255,.65)}
.carousel{position:relative}
.car-viewport{overflow:hidden;border-radius:var(--radius-lg)}
.car-track{display:flex;transition:transform .55s cubic-bezier(.25,.8,.3,1)}
.car-item{flex:0 0 33.3333%;padding:8px 10px}
.case-card{
  background:#fff;border-radius:var(--radius-lg);overflow:hidden;color:var(--ink);
  height:100%;display:flex;flex-direction:column;
  transition:transform .3s,box-shadow .3s;
}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.case-img{position:relative}
.case-img img{width:100%;height:200px;object-fit:cover}
.case-days{
  position:absolute;left:14px;bottom:-14px;
  background:linear-gradient(120deg,#F08A24,#E85C8A);color:#fff;
  font-size:13px;font-weight:800;border-radius:999px;padding:6px 15px;
  box-shadow:0 6px 14px rgba(232,92,138,.4);
}
.case-body{padding:26px 20px 20px;flex:1;display:flex;flex-direction:column}
.case-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.case-top h3{font-size:17px;font-weight:800}
.case-tag{font-size:12px;font-weight:700;border-radius:999px;padding:3px 11px}
.ct-1{background:var(--blue-bg);color:var(--blue)}
.ct-2{background:var(--orange-bg);color:var(--orange)}
.ct-3{background:var(--purple-bg);color:var(--purple)}
.ct-4{background:var(--cyan-bg);color:var(--cyan)}
.ct-5{background:var(--pink-bg);color:var(--pink)}
.case-place{font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:5px;margin-bottom:10px}
.case-quote{
  font-size:13.5px;color:var(--ink-2);line-height:1.7;
  background:#F7FAF8;border-left:3px solid var(--brand);
  border-radius:0 10px 10px 0;padding:10px 12px;
}
.car-ctrl{
  position:absolute;top:42%;transform:translateY(-50%);z-index:5;
  width:46px;height:46px;border-radius:50%;
  background:rgba(255,255,255,.92);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-md);font-size:18px;
  transition:background .25s,transform .25s;
}
.car-ctrl:hover{background:#fff;transform:translateY(-50%) scale(1.08)}
.car-prev{left:-14px}
.car-next{right:-14px}
.car-dots{display:flex;justify-content:center;gap:9px;margin-top:26px}
.car-dots button{
  width:9px;height:9px;border-radius:999px;background:rgba(255,255,255,.35);transition:.3s;
}
.car-dots button.on{width:28px;background:linear-gradient(90deg,#3EA955,#12A5B8)}

/* ============ 数据墙 ============ */
.stats{
  background:linear-gradient(120deg,#FFF7EC 0%,#FDEFE0 50%,#FCEAF1 100%);
  position:relative;overflow:hidden;
}
.stats::before{
  content:"";position:absolute;left:-60px;top:-60px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,138,36,.18),transparent 70%);
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{
  background:#fff;border-radius:var(--radius-lg);text-align:center;
  padding:34px 16px 28px;box-shadow:var(--shadow-sm);
  border-top:5px solid transparent;
  transition:transform .3s,box-shadow .3s;
}
.stat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.st-1{border-color:var(--brand)} .st-2{border-color:var(--orange)}
.st-3{border-color:var(--blue)} .st-4{border-color:var(--purple)}
.stat-num{font-size:44px;font-weight:900;line-height:1.1;letter-spacing:1px}
.st-1 .stat-num{color:var(--brand-dark)} .st-2 .stat-num{color:var(--orange)}
.st-3 .stat-num{color:var(--blue)} .st-4 .stat-num{color:var(--purple)}
.stat-num i{font-style:normal;font-size:22px;margin-left:2px}
.stat-label{font-size:15px;font-weight:600;margin-top:10px}
.stat-desc{font-size:12.5px;color:var(--ink-3);margin-top:5px}

/* ============ 入户好处 ============ */
.benefits{background:linear-gradient(180deg,#F2FAFB 0%,#EAF6F8 100%)}
.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.benefit-card{
  border-radius:var(--radius-md);padding:24px 20px;
  box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
  transition:transform .3s,box-shadow .3s;
}
.benefit-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.benefit-card .b-ico{
  width:44px;height:44px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;color:#fff;
}
.benefit-card .b-ico svg{width:22px;height:22px}
.benefit-card h3{font-size:16px;font-weight:800;margin-bottom:7px}
.benefit-card p{font-size:13px;color:var(--ink-2);line-height:1.66}
.benefit-card .b-no{
  position:absolute;right:12px;top:8px;font-size:38px;font-weight:900;opacity:.10;
}
.bg-1{background:#fff} .bg-2{background:#FFFDF5} .bg-3{background:#F8FBFF} .bg-4{background:#FDF9FF}
.bi-green{background:linear-gradient(135deg,#3EA955,#22935F)}
.bi-blue{background:linear-gradient(135deg,#4C9BEE,#2361C4)}
.bi-cyan{background:linear-gradient(135deg,#22B8CB,#0E8B9C)}
.bi-orange{background:linear-gradient(135deg,#F5A03C,#E0731A)}
.bi-purple{background:linear-gradient(135deg,#8E6CE8,#6244BE)}
.bi-pink{background:linear-gradient(135deg,#F0709E,#D6416F)}
.bi-gold{background:linear-gradient(135deg,#E4B33C,#C08A18)}
.bi-teal{background:linear-gradient(135deg,#2EA98A,#177A60)}

/* ============ 入户方式 ============ */
.paths{background:linear-gradient(180deg,#F5F2FD 0%,#EFEAFB 100%)}
.path-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.path-card{
  background:#fff;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s;
  display:flex;flex-direction:column;
}
.path-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.path-head{padding:22px 24px;color:#fff;display:flex;align-items:center;gap:14px}
.path-head .p-ico{
  width:46px;height:46px;border-radius:14px;background:rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;flex:0 0 46px;
}
.path-head .p-ico svg{width:23px;height:23px}
.path-head h3{font-size:19px;font-weight:800;letter-spacing:.5px}
.path-head p{font-size:12.5px;opacity:.9;margin-top:2px}
.ph-green{background:linear-gradient(120deg,#3EA955,#1E7A3E)}
.ph-blue{background:linear-gradient(120deg,#3D8FEA,#1F5FB8)}
.ph-orange{background:linear-gradient(120deg,#F5A03C,#DE6E14)}
.ph-purple{background:linear-gradient(120deg,#8E6CE8,#6244BE)}
.path-body{padding:20px 24px 24px;flex:1}
.path-body li{
  display:flex;gap:10px;padding:9px 0;font-size:14px;color:var(--ink-2);
  border-bottom:1px dashed #EDF1EE;
}
.path-body li:last-child{border-bottom:none}
.path-body li b{color:var(--ink);font-weight:700}
.path-body .p-dot{
  flex:0 0 8px;width:8px;height:8px;border-radius:50%;margin-top:9px;
}
.pd-green{background:var(--brand)} .pd-blue{background:var(--blue)}
.pd-orange{background:var(--orange)} .pd-purple{background:var(--purple)}
.path-note{
  margin-top:26px;border-radius:var(--radius-md);
  background:linear-gradient(120deg,#FFF6E8,#FDEDF3);
  border:1px dashed rgba(240,138,36,.5);
  padding:18px 22px;font-size:14px;color:#8A5A22;
  display:flex;gap:10px;align-items:flex-start;
}
.path-note b{color:#D6416F}

/* ============ 办理流程 ============ */
.flow{background:linear-gradient(180deg,#F2FBF4 0%,#E9F6EE 100%)}
.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.flow-card{
  position:relative;background:#fff;border-radius:var(--radius-md);
  padding:26px 22px 22px;box-shadow:var(--shadow-sm);overflow:hidden;
  transition:transform .3s,box-shadow .3s;
}
.flow-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.flow-card .f-no{
  font-size:15px;font-weight:900;color:#fff;
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.fn-1{background:linear-gradient(135deg,#3EA955,#22935F)}
.fn-2{background:linear-gradient(135deg,#22B8CB,#0E8B9C)}
.fn-3{background:linear-gradient(135deg,#4C9BEE,#2361C4)}
.fn-4{background:linear-gradient(135deg,#8E6CE8,#6244BE)}
.fn-5{background:linear-gradient(135deg,#F0709E,#D6416F)}
.fn-6{background:linear-gradient(135deg,#F5A03C,#E0731A)}
.flow-card h3{font-size:17px;font-weight:800;margin-bottom:7px}
.flow-card p{font-size:13.5px;color:var(--ink-2)}
.flow-card::after{
  content:"";position:absolute;right:-18px;bottom:-18px;width:74px;height:74px;border-radius:50%;
  background:rgba(62,169,85,.06);
}

/* ============ 常见问题 ============ */
.faq{background:linear-gradient(180deg,#FDF4F7 0%,#FBEDF2 100%)}
.faq-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
.faq-col{display:flex;flex-direction:column;gap:16px}
.faq-item{
  background:#fff;border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);overflow:hidden;
  border-left:5px solid transparent;
  transition:transform .25s ease, box-shadow .25s ease;
}
.faq-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.faq-item:nth-child(6n+1){background:linear-gradient(135deg,#E9F7EE 0%,#DCF0E4 100%);border-left-color:var(--brand)}
.faq-item:nth-child(6n+2){background:linear-gradient(135deg,#EAF2FC 0%,#DCEAFB 100%);border-left-color:var(--blue)}
.faq-item:nth-child(6n+3){background:linear-gradient(135deg,#FEF2E8 0%,#FCE6D4 100%);border-left-color:var(--orange)}
.faq-item:nth-child(6n+4){background:linear-gradient(135deg,#F2ECFC 0%,#E8DDF9 100%);border-left-color:var(--purple)}
.faq-item:nth-child(6n+5){background:linear-gradient(135deg,#E6F8F9 0%,#D5F0F3 100%);border-left-color:var(--cyan)}
.faq-item:nth-child(6n+6){background:linear-gradient(135deg,#FDEFF4 0%,#FBDCE8 100%);border-left-color:var(--pink)}
.faq-q{
  width:100%;text-align:left;display:flex;align-items:center;gap:12px;
  padding:17px 18px;font-size:15px;font-weight:700;color:var(--ink);
}
.faq-q .q-badge{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;
  background:var(--brand-light);color:var(--brand-dark);
  font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.faq-q .q-arrow{margin-left:auto;transition:transform .3s;color:var(--ink-3);flex:0 0 auto}
.faq-item.open .q-arrow{transform:rotate(180deg)}
.faq-item:nth-child(6n+1) .q-badge{background:var(--brand);color:#fff}
.faq-item:nth-child(6n+2) .q-badge{background:var(--blue);color:#fff}
.faq-item:nth-child(6n+3) .q-badge{background:var(--orange);color:#fff}
.faq-item:nth-child(6n+4) .q-badge{background:var(--purple);color:#fff}
.faq-item:nth-child(6n+5) .q-badge{background:var(--cyan);color:#063}
.faq-item:nth-child(6n+6) .q-badge{background:var(--pink);color:#fff}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .4s ease;
}
.faq-a p{padding:0 18px 17px 56px;font-size:13.5px;color:var(--ink-2);line-height:1.75}

/* ============ 关于我们 ============ */
.about{background:#fff}
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.about-txt h2{font-size:32px;font-weight:900;margin-bottom:6px}
.about-txt .about-line{
  width:64px;height:5px;border-radius:5px;margin:14px 0 20px;
  background:linear-gradient(90deg,#3EA955,#12A5B8,#7C5CD6);
}
.about-txt p{font-size:14.5px;color:var(--ink-2);margin-bottom:13px}
.about-badges{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 26px}
.about-badges span{
  font-size:13px;font-weight:600;border-radius:999px;padding:8px 16px;
}
.ab-1{background:var(--brand-light);color:var(--brand-dark)}
.ab-2{background:var(--blue-bg);color:var(--blue)}
.ab-3{background:var(--orange-bg);color:var(--orange)}
.ab-4{background:var(--purple-bg);color:var(--purple)}
.about-contact{
  border-radius:var(--radius-md);
  background:linear-gradient(120deg,#F2FBF4,#E9F5FA);
  padding:20px 22px;display:grid;gap:11px;
}
.about-contact li{display:flex;gap:11px;font-size:14px;color:var(--ink-2);align-items:flex-start}
.about-contact li svg{flex:0 0 18px;margin-top:4px;color:var(--brand-dark)}
.about-contact li b{color:var(--ink)}
.about-map{position:relative}
.about-map img{border-radius:var(--radius-lg);box-shadow:var(--shadow-md);width:100%}
.about-map .map-tag{
  position:absolute;left:18px;top:18px;
  background:rgba(255,255,255,.94);border-radius:999px;padding:8px 18px;
  font-size:13px;font-weight:700;color:var(--brand-dark);box-shadow:var(--shadow-sm);
}

/* ============ 页脚 ============ */
.footer{
  background:linear-gradient(150deg,#14301E 0%,#0F2A33 60%,#15203D 100%);
  color:rgba(255,255,255,.78);padding:60px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px;position:relative;padding-left:12px}
.footer h4::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,#3EA955,#12A5B8);
}
.footer-brand img{height:52px;width:auto;background:#fff;padding:6px 12px;border-radius:12px}
.footer-brand p{font-size:13.5px;margin-top:16px;line-height:1.8;max-width:320px}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .25s}
.footer-links a:hover{color:#9FE8B4}
.footer-contact li{display:flex;gap:9px;font-size:13.5px;margin-bottom:12px;align-items:flex-start}
.footer-contact svg{flex:0 0 16px;margin-top:4px;color:#7FD99A}
.footer-bar{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bar a{color:rgba(255,255,255,.68);transition:color .25s}
.footer-bar a:hover{color:#9FE8B4}
.footer-bar .sep{margin:0 8px;opacity:.4}

/* ============ 浮动按钮 ============ */
.fabs{
  position:fixed;right:18px;bottom:96px;z-index:800;
  display:flex;flex-direction:column;gap:12px;
}
.fab{
  width:52px;height:52px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:#fff;
  box-shadow:var(--shadow-md);position:relative;
  transition:transform .25s;
}
.fab:hover{transform:scale(1.1)}
.fab svg{width:24px;height:24px}
.fab-tel{background:linear-gradient(135deg,#3D8FEA,#1F5FB8)}
.fab-wx{background:linear-gradient(135deg,#3EA955,#1E8A5E)}
.fab-top{
  background:#fff;color:var(--ink-2);border:1px solid #E8EEEA;
  opacity:0;visibility:hidden;transition:opacity .3s,transform .25s;
}
.fab-top.show{opacity:1;visibility:visible}
.fab .fab-tip{
  position:absolute;right:62px;top:50%;transform:translateY(-50%);
  background:#1F2D27;color:#fff;font-size:12px;white-space:nowrap;
  border-radius:8px;padding:6px 12px;opacity:0;visibility:hidden;transition:.25s;
}
.fab:hover .fab-tip{opacity:1;visibility:visible}

/* ============ 微信弹窗 ============ */
.modal-mask{
  position:fixed;inset:0;z-index:990;
  background:rgba(15,30,22,.55);backdrop-filter:blur(3px);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:.3s;padding:20px;
}
.modal-mask.show{opacity:1;visibility:visible}
.modal{
  background:#fff;border-radius:24px;max-width:340px;width:100%;
  padding:0 0 26px;text-align:center;overflow:hidden;
  transform:translateY(24px) scale(.96);transition:.35s cubic-bezier(.22,.8,.3,1);
}
.modal-mask.show .modal{transform:translateY(0) scale(1)}
.modal-head{
  background:linear-gradient(135deg,#3EA955,#12A5B8);
  color:#fff;padding:22px 20px 18px;position:relative;
}
.modal-head h3{font-size:19px;font-weight:800;letter-spacing:1px}
.modal-head p{font-size:12.5px;opacity:.9;margin-top:4px}
.modal-close{
  position:absolute;right:12px;top:12px;width:30px;height:30px;border-radius:50%;
  background:rgba(255,255,255,.22);color:#fff;font-size:15px;line-height:1;
}
.modal-qr{
  width:200px;height:200px;margin:22px auto 14px;border-radius:16px;
  border:6px solid var(--brand-light);
}
.modal p.wx-id{font-size:14px;color:var(--ink-2)}
.modal p.wx-id b{color:var(--brand-dark);font-size:16px}
.modal .modal-tel{
  display:inline-flex;align-items:center;gap:7px;margin-top:13px;
  background:var(--brand-light);color:var(--brand-dark);
  border-radius:999px;padding:9px 20px;font-size:14.5px;font-weight:700;
}

/* ============ 入场动画 ============ */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1080px){
  .hero h1{font-size:38px}
  .strip-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .benefit-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .car-item{flex:0 0 50%}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  :root{--nav-h:64px}
  .nav-logo img{height:44px}
  .nav-links{display:none}
  .nav-burger{display:flex}
  .hero{padding:calc(var(--nav-h) + 34px) 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:31px}
  .hero-slogan{font-size:16px;padding:11px 16px}
  .hero-photo img{height:280px}
  .float-card.f1{left:-6px}
  .float-card.f2{right:-6px}
  .sec{padding:56px 0}
  .sec-title{font-size:26px}
  .path-grid{grid-template-columns:1fr}
  .faq-cols{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr;gap:34px}
  .car-item{flex:0 0 100%}
  .car-prev{left:2px}
  .car-next{right:2px}
  .fabs{right:12px;bottom:84px}
}
@media (max-width:560px){
  .strip-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat-num{font-size:34px}
  .benefit-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero-btns .btn-main,.hero-btns .btn-ghost{width:100%;justify-content:center}
}