/* ===== 东莞入户网 样式 v4 — 每模块独立底色 + 首屏修复 ===== */
:root{
  --sky:#2E9BFF;        /* 天蓝主色 */
  --sky-deep:#1B7FE0;
  --sky-light:#E8F4FF;
  --ink:#1F2A37;
  --ink-2:#54627A;
  --bg:#F5F9FF;
  --white:#fff;
  --line:#E3ECF7;
  --teal:#16C2C2;
  --orange:#FF8A3D;
  --green:#2FCB6E;
  --purple:#8B6EF5;
  --pink:#FF6FA5;
  --red:#FF5A5F;
  --indigo:#5B7CFA;
  --radius:16px;
  --shadow:0 8px 24px rgba(30,90,170,.10);
  --shadow-lg:0 14px 40px rgba(30,90,170,.16);
  --maxw:1180px;

  /* ===== 每个模块独立底色 ===== */
  /* 首屏：蓝色渐变背景图（hero 自身处理） */
  --bg-hero: linear-gradient(135deg,#1B7FE0 0%,#2E9BFF 50%,#3AA8FF 100%);
  /* 核心优势条：纯白 */
  --bg-strip:#FFFFFF;
  /* 成功案例：极浅天蓝 */
  --bg-cases:#EDF5FF;
  /* 数据墙：蓝青渐变（已有） */
  --bg-stats:linear-gradient(120deg,#1B7FE0,#16C2C2);
  /* 入户好处：浅暖黄 */
  --bg-benefits:#FFF9F0;
  /* 入户方式：浅薄荷绿 */
  --bg-ways:#E8FBF5;
  /* 办理流程：淡紫罗兰 */
  --bg-process:#F5F0FF;
  /* 常见问题：浅玫瑰粉 */
  --bg-faq:#FFF0F5;
  /* 关于我们：浅靛蓝渐变 */
  --bg-about:linear-gradient(135deg,#EEF4FF 0%,#F0EAFF 100%);
  /* 页脚：深藏青（已有） */
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",system-ui,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(100% - 32px,var(--maxw));margin-inline:auto}

/* ===== 顶部导航 ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;gap:18px;height:78px}
.brand{display:flex;align-items:center;flex-shrink:0}
.logo{height:60px;width:auto}            /* 电脑版 logo 高度 60px */
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{padding:8px 12px;border-radius:10px;font-size:15px;color:var(--ink-2);transition:.2s}
.nav a:hover{color:var(--sky-deep);background:var(--sky-light)}
.nav-cta{background:var(--sky);color:#fff !important;font-weight:700;border:0;cursor:pointer;
  font-family:inherit;font-size:15px;padding:9px 16px;border-radius:999px}
.nav-cta:hover{background:var(--sky-deep)}
.phone-pill{display:inline-flex;align-items:center;gap:6px;background:var(--sky-light);
  color:var(--sky-deep);font-weight:700;padding:8px 14px;border-radius:999px;font-size:14px;
  border:1px solid #cfe6ff;flex-shrink:0}
.phone-pill:hover{background:#d6ecff}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2.5px;background:var(--ink);border-radius:2px;transition:.3s}

/* ===== 首屏（修复版） ===== */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background:var(--bg-hero)}
.hero-bg{position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(27,127,224,.93),rgba(46,155,255,.80)),
             url("../assets/city.jpg") center/cover no-repeat;
  filter:saturate(1.05)}
/* 首屏内容区：完全居中布局 */
.hero-inner{
  position:relative;z-index:2;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:80px 20px 70px;text-align:center;gap:0}
.hero-badge{
  display:inline-block;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.35);
  padding:7px 20px;border-radius:999px;font-size:14px;margin-bottom:24px;backdrop-filter:blur(4px);
  letter-spacing:.5px}
.slogan-box{
  display:inline-block;max-width:720px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.40);
  border-radius:20px;padding:28px 36px 24px;margin-bottom:28px;backdrop-filter:blur(8px);
  box-shadow:0 12px 36px rgba(0,40,90,.28)}
.hero-title{font-size:clamp(26px,5vw,48px);font-weight:800;line-height:1.3;letter-spacing:1px;
  text-shadow:0 2px 18px rgba(0,40,90,.35)}
.hl{display:inline-block;background:linear-gradient(120deg,#FFE08A,#FFB347);color:#7a3b00;
  padding:2px 14px;border-radius:10px;margin-top:6px;box-shadow:0 4px 14px rgba(255,170,60,.4)}
.hero-sub{font-size:clamp(16px,2.4vw,22px);margin-top:16px;opacity:.97}
.hl-num{display:inline-block;background:var(--red);color:#fff;font-weight:800;
  padding:2px 12px;border-radius:8px;font-size:1.1em;box-shadow:0 4px 14px rgba(255,90,95,.45)}

/* CTA 按钮组 */
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:10px}

/* 底部数据条 */
.hero-stats{list-style:none;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;
  margin-top:32px;padding:0;width:100%;max-width:800px}
.hero-stats li{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.28);
  border-radius:14px;padding:16px 24px;min-width:130px;backdrop-filter:blur(4px);
  flex:1 1 auto;max-width:180px;text-align:center}
.hero-stats b{display:block;font-size:26px;font-weight:800}
.hero-stats span{font-size:13px;opacity:.9}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:16px;font-weight:700;cursor:pointer;
  border:2px solid transparent;transition:.25s;white-space:nowrap;font-family:inherit;background:none}
.btn-primary{background:var(--sky);color:#fff;box-shadow:0 8px 20px rgba(46,155,255,.4)}
.btn-primary:hover{background:var(--sky-deep);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.18);color:#fff;border-color:rgba(255,255,255,.55);
  backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,255,255,.30)}
.btn-block{width:100%}

/* ===== 核心优势条 —— 白底 ===== */
.strip{background:var(--bg-strip);border-bottom:1px solid var(--line)}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:28px 0}
.strip-item{display:flex;gap:14px;align-items:center;padding:18px;border-radius:var(--radius);
  background:var(--sky-light);transition:.25s}
.strip-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.strip-ico{width:48px;height:48px;flex:0 0 48px;border-radius:12px;display:grid;place-items:center;
  color:#fff;font-weight:800;font-size:20px}
.ico-blue{background:var(--sky)} .ico-orange{background:var(--orange)}
.ico-green{background:var(--green)} .ico-red{background:var(--red)}
.strip-item h3{font-size:16px} .strip-item p{font-size:13px;color:var(--ink-2)}

/* ===== 通用区块 ===== */
.section{padding:64px 0}
.sec-title{text-align:center;font-size:clamp(24px,3.4vw,34px);font-weight:800;color:var(--ink)}
.sec-title::after{content:"";display:block;width:64px;height:4px;border-radius:4px;
  background:linear-gradient(90deg,var(--sky),var(--teal));margin:14px auto 0}
.sec-desc{text-align:center;color:var(--ink-2);margin:14px 0 36px;font-size:16px}

/* ===== 成功案例 —— 浅天蓝底 ===== */
#cases{background:var(--bg-cases)}

/* ===== 数据墙 —— 蓝青渐变底 ===== */
.stats-band{background:var(--bg-stats);color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:44px 0;text-align:center}
.stat b{display:block;font-size:clamp(26px,4vw,40px);font-weight:800}
.stat span{font-size:14px;opacity:.92}

/* ===== 入户好处 —— 浅暖黄底 ===== */
#benefits{background:var(--bg-benefits)}

/* 入户好处卡片（7 色循环） */
.cards{display:grid;gap:20px}
.cards-benefits{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.bcard{position:relative;background:#fff;border-radius:var(--radius);padding:22px 20px 20px;
  border:1px solid var(--line);box-shadow:var(--shadow);transition:.25s;overflow:hidden}
.bcard::before{content:"";position:absolute;left:0;top:0;width:6px;height:100%}
.b1::before{background:var(--sky)} .b2::before{background:var(--teal)} .b3::before{background:var(--orange)}
.b4::before{background:var(--green)} .b5::before{background:var(--purple)} .b6::before{background:var(--pink)}
.b7::before{background:var(--red)} .b8::before{background:var(--indigo)} .b9::before{background:var(--teal)}
.b10::before{background:var(--orange)} .b11::before{background:var(--green)} .b12::before{background:var(--purple)}
.bcard:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.bnum{font-size:13px;font-weight:800;color:var(--ink-2);opacity:.55}
.bcard h3{font-size:17px;margin:4px 0 6px}
.bcard p{font-size:13.5px;color:var(--ink-2)}
.note-small{margin-top:22px;font-size:12.5px;color:var(--ink-2);text-align:center;
  background:rgba(255,138,61,.08);padding:12px 16px;border-radius:12px;
  border:1px solid rgba(255,138,61,.15)}

/* ===== 入户方式 —— 浅薄荷绿底 ===== */
#ways{background:var(--bg-ways)}
.cards-ways{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.card{position:relative;background:#fff;border-radius:var(--radius);padding:26px 22px;
  border:1px solid var(--line);box-shadow:var(--shadow);transition:.25s;overflow:hidden}
.card::before{content:"";position:absolute;left:0;top:0;height:6px;width:100%}
.c-blue::before{background:var(--sky)} .c-teal::before{background:var(--teal)}
.c-orange::before{background:var(--orange)} .c-green::before{background:var(--green)}
.c-purple::before{background:var(--purple)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.card-ico{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;color:#fff;
  font-weight:800;font-size:22px;margin-bottom:14px}
.c-blue .card-ico{background:var(--sky)} .c-teal .card-ico{background:var(--teal)}
.c-orange .card-ico{background:var(--orange)} .c-green .card-ico{background:var(--green)}
.c-purple .card-ico{background:var(--purple)}
.card h3{font-size:19px;margin-bottom:8px}
.card p{font-size:14px;color:var(--ink-2)}
.tag{display:inline-block;margin-top:14px;font-size:12px;font-weight:700;padding:5px 12px;
  border-radius:999px;background:var(--sky-light);color:var(--sky-deep)}

/* ===== 办理流程 —— 淡紫罗兰底 ===== */
#process{background:var(--bg-process)}
.steps{list-style:none;counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
/* 六步独立底色 + 配色序号徽标，视觉更丰富 */
.steps li{position:relative;border:1px solid transparent;border-radius:var(--radius);
  padding:24px 20px 20px;box-shadow:var(--shadow);transition:.25s;overflow:hidden}
.steps li::before{content:"";position:absolute;left:0;top:0;height:5px;width:100%}
.steps li:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.step-no{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:12px;
  color:#fff;font-weight:800;font-size:18px;margin-bottom:12px;box-shadow:0 6px 14px rgba(30,90,170,.18)}
.steps h3{font-size:17px;margin-bottom:6px}
.steps p{font-size:13.5px;color:var(--ink-2)}

.step.s1{background:#E8F4FF;border-color:#CDE6FF}
.step.s1::before{background:var(--sky)} .step.s1 .step-no{background:linear-gradient(135deg,var(--sky),var(--sky-deep))}
.step.s2{background:#E0FAFA;border-color:#BFEDED}
.step.s2::before{background:var(--teal)} .step.s2 .step-no{background:linear-gradient(135deg,var(--teal),#0FA8A8)}
.step.s3{background:#FFF0E4;border-color:#FFD9BC}
.step.s3::before{background:var(--orange)} .step.s3 .step-no{background:linear-gradient(135deg,var(--orange),#F2701A)}
.step.s4{background:#E6FBEE;border-color:#C2F0D4}
.step.s4::before{background:var(--green)} .step.s4 .step-no{background:linear-gradient(135deg,var(--green),#1FAE55)}
.step.s5{background:#F1ECFE;border-color:#DCD0FB}
.step.s5::before{background:var(--purple)} .step.s5 .step-no{background:linear-gradient(135deg,var(--purple),#7450E0)}
.step.s6{background:#FFE9F1;border-color:#FFC9DC}
.step.s6::before{background:var(--pink)} .step.s6 .step-no{background:linear-gradient(135deg,var(--pink),#F0508A)}

/* ===== 常见问题 —— 浅玫瑰粉底 ===== */
#faq{background:var(--bg-faq)}
.faq-list{max-width:820px;margin-inline:auto;display:grid;gap:12px}
.faq{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.faq summary{cursor:pointer;padding:16px 20px;font-weight:700;font-size:16px;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:var(--red);font-weight:700;transition:.2s}
.faq[open] summary::after{content:"\2212"}
.faq-a{padding:0 20px 18px;color:var(--ink-2);font-size:14.5px}

/* ===== 关于我们 —— 浅靛蓝渐变底 ===== */
#about{background:var(--bg-about)}
.about-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:30px;align-items:start}
.about-text p{margin-bottom:14px;color:var(--ink-2);font-size:15px}
.about-quote{background:var(--sky-light);border-left:4px solid var(--sky);padding:12px 16px;
  border-radius:10px;color:var(--ink) !important;font-size:15px}
.about-quote b{color:var(--sky-deep)}
.about-points{list-style:none;display:grid;gap:10px;margin-top:6px}
.about-points li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--ink-2)}
.dot{width:10px;height:10px;border-radius:50%;flex:0 0 10px}
.dot-blue{background:var(--sky)} .dot-orange{background:var(--orange)}
.dot-green{background:var(--green)} .dot-purple{background:var(--purple)}
.about-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-lg)}
.about-card h3{font-size:18px;margin-bottom:12px;color:var(--sky-deep)}
.about-card p{font-size:14px;margin-bottom:8px;color:var(--ink-2)}
.about-card p b{color:var(--ink)}
.about-card .btn{margin:10px 0 16px}
.about-map{width:100%;height:160px;object-fit:cover;border-radius:12px;border:1px solid var(--line)}

/* ===== 页脚 ===== */
.site-footer{background:#0f2a4a;color:#cfe0f3;padding-top:46px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.footer-logo{height:54px;width:auto;margin-bottom:12px}
.f-about{font-size:14px;color:#9fb6d0}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:12px}
.f-col p{font-size:14px;margin-bottom:6px}
.f-col a:hover{color:#fff;text-decoration:underline}
.f-qr img{width:110px;height:110px;object-fit:cover;border-radius:10px;background:#fff;padding:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding:18px 0;
  text-align:center;font-size:12.5px;color:#9fb6d0}

/* ===== 案例轮播 ===== */
.carousel{position:relative;display:flex;align-items:center;gap:8px}
.car-viewport{overflow:hidden;flex:1;border-radius:var(--radius)}
.car-track{display:flex;transition:transform .5s cubic-bezier(.4,.2,.2,1);list-style:none}
.car-slide{flex:0 0 33.3333%;padding:8px}
.car-slide img{width:100%;height:240px;object-fit:cover;border-radius:12px;
  box-shadow:var(--shadow);background:#eef4fb}
.car-cap{margin-top:10px;font-size:14px;color:var(--ink-2);text-align:center;font-weight:600}
.car-btn{flex:0 0 auto;width:44px;height:44px;border-radius:50%;border:0;cursor:pointer;
  background:var(--sky);color:#fff;font-size:26px;line-height:1;box-shadow:var(--shadow);transition:.2s}
.car-btn:hover{background:var(--sky-deep);transform:scale(1.08)}
.car-dots{display:flex;gap:8px;justify-content:center;margin-top:18px;flex-wrap:wrap}
.car-dots button{width:10px;height:10px;border-radius:50%;border:0;background:#cdddf0;cursor:pointer;transition:.2s}
.car-dots button.active{background:var(--sky);width:24px;border-radius:6px}

/* ===== 浮动按钮组 ===== */
.float-group{position:fixed;right:18px;bottom:22px;z-index:60;display:flex;flex-direction:column;gap:12px}
.float-btn{width:50px;height:50px;border-radius:50%;border:0;cursor:pointer;display:grid;place-items:center;
  color:#fff;box-shadow:var(--shadow-lg);transition:.2s}
.float-btn:hover{transform:scale(1.08)}
.fb-phone{background:var(--green)}
.fb-wechat{background:var(--sky)}
.fb-top{background:#7a8aa3}

/* ===== 微信二维码弹窗 ===== */
.modal[hidden]{display:none}
.modal{position:fixed;inset:0;z-index:80;display:grid;place-items:center}
.modal-mask{position:absolute;inset:0;background:rgba(8,20,40,.55);backdrop-filter:blur(2px)}
.modal-box{position:relative;background:#fff;border-radius:18px;padding:22px;width:min(92vw,300px);
  text-align:center;box-shadow:var(--shadow-lg);animation:pop .25s ease}
.modal-box img{width:200px;height:200px;object-fit:cover;border-radius:12px;margin:0 auto 12px;background:#f3f6fb}
.modal-cap{font-size:14px;color:var(--ink-2)}
.modal-cap b{color:var(--sky-deep)}
.modal-close{position:absolute;top:8px;right:12px;width:32px;height:32px;border:0;background:none;
  font-size:26px;line-height:1;color:var(--ink-2);cursor:pointer}
@keyframes pop{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}

/* 轻量进场动画 */
.reveal{opacity:0;transform:translateY(24px);transition:.6s ease}
.reveal.show{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media (max-width:980px){
  .steps{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .car-slide{flex-basis:50%}
}
@media (max-width:720px){
  .nav{position:fixed;inset:78px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);padding:8px 16px 16px;
    transform:translateY(-130%);transition:.3s;box-shadow:var(--shadow)}
  .nav.open{transform:translateY(0)}
  .nav a{padding:13px 8px;border-radius:8px}
  .nav-cta{margin-top:6px;text-align:center}
  .phone-pill{display:none}
  .nav-toggle{display:flex}
  .logo{height:48px}                 /* 手机版 logo 自适应缩小 */
  .strip-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .car-slide{flex-basis:100%}
  .hero-inner{padding:56px 16px 52px}
  .hero-stats li{min-width:0;flex:1 1 42%}
  .slogan-box{padding:22px 24px 18px}
}
@media (max-width:420px){
  .strip-grid{grid-template-columns:1fr}
  .hero-stats li{padding:12px 14px}
  .hero-stats b{font-size:22px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}