/* 漫蛙 manwa5 — 官网风格原创深浅双层设计 */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#f4f7f6;
  --surface:#ffffff;
  --ink:#0f1a17;
  --muted:#5b6b66;
  --line:#e2ebe7;
  --brand:#2ec4b6;
  --brand-dark:#1d968b;
  --leaf:#6fbf3a;
  --dark:#0b0f0e;
  --dark-2:#141a18;
  --radius:16px;
  --shadow:0 12px 40px rgba(15,26,23,.08);
  --font:"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.65;min-height:100vh}
a{color:var(--brand-dark);text-decoration:none}
img{max-width:100%;height:auto;display:block}
.shell{max-width:1120px;margin:0 auto;padding:0 20px}

/* ===== 顶栏 ===== */
.site-top,.wave-header{
  position:sticky;top:0;z-index:100;
  background:rgba(11,15,14,.88);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06)
}
.wave-header{border-radius:0;margin:0;padding:0}
.wave-header::after{display:none}
.nav-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;position:relative}
.site-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:1.05rem}
.site-logo img{width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.15)}
.site-logo em{font-style:normal;color:var(--brand);font-weight:700;margin-left:4px}
.pill-nav{display:flex;gap:6px;flex-wrap:wrap}
.pill-nav a{
  color:rgba(255,255,255,.78);padding:8px 14px;border-radius:999px;font-size:.86rem;font-weight:600;
  transition:background .2s,color .2s
}
.pill-nav a:hover{background:rgba(46,196,182,.16);color:#fff}

/* ===== 首屏（深色，对齐官网产品感） ===== */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(ellipse 70% 55% at 85% 20%,rgba(46,196,182,.22),transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 80%,rgba(111,191,58,.12),transparent 55%),
    linear-gradient(165deg,var(--dark) 0%,var(--dark-2) 55%,#101614 100%);
  color:#fff;padding:56px 0 64px
}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.trust-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.trust-row span{
  font-size:.75rem;font-weight:700;letter-spacing:.02em;
  padding:6px 12px;border-radius:999px;
  background:rgba(46,196,182,.12);color:var(--brand);border:1px solid rgba(46,196,182,.28)
}
.hero h1{font-size:clamp(2rem,4.8vw,3.1rem);font-weight:900;line-height:1.18;margin-bottom:16px;letter-spacing:-.03em}
.hero h1 span{color:var(--brand);font-weight:800}
.hero-lead{color:rgba(255,255,255,.72);font-size:1.05rem;max-width:34em;margin-bottom:28px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:18px}
.hero-meta{font-size:.82rem;color:rgba(255,255,255,.45)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:12px;font-weight:800;font-size:.95rem;
  border:none;cursor:pointer;transition:transform .18s,box-shadow .18s,background .18s,color .18s;
  text-decoration:none;color:#fff
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-dark));box-shadow:0 10px 28px rgba(46,196,182,.35);color:#06221f}
.btn-primary:hover{box-shadow:0 14px 32px rgba(46,196,182,.45)}
.btn-ghost{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.2);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.35)}
.btn-link{background:transparent;color:var(--brand);padding:13px 8px;font-weight:700}
.btn-link:hover{color:#fff;transform:none}
.btn-sm{padding:10px 16px;font-size:.85rem;border-radius:999px}

.hero-aside{position:relative;display:flex;justify-content:center;align-items:center;min-height:360px}
.mascot-card{position:relative;z-index:2}
.mascot{width:min(220px,42vw);border-radius:28px;box-shadow:0 20px 50px rgba(0,0,0,.45);animation:floatY 4.5s ease-in-out infinite}
.mascot-glow{
  position:absolute;inset:-20%;border-radius:50%;z-index:-1;
  background:radial-gradient(circle,rgba(46,196,182,.35),transparent 65%);
  animation:pulse 3.5s ease-in-out infinite
}
.hero-phones{position:absolute;inset:auto 0 0 auto;display:flex;gap:10px;z-index:1;opacity:.95;pointer-events:none}
.hero-phones img{
  width:118px;border-radius:16px;border:3px solid rgba(255,255,255,.12);
  box-shadow:0 16px 36px rgba(0,0,0,.4);transform:rotate(6deg)
}
.hero-phones img:first-child{transform:rotate(-8deg) translateY(18px);opacity:.85}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes pulse{0%,100%{opacity:.55;transform:scale(.95)}50%{opacity:1;transform:scale(1.05)}}

/* ===== 数据条 ===== */
.strip{background:var(--surface);border-bottom:1px solid var(--line)}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:22px 0}
.strip-grid div{text-align:center;padding:8px}
.strip-grid strong{display:block;font-size:1.25rem;color:var(--brand-dark);font-weight:900}
.strip-grid span{font-size:.8rem;color:var(--muted)}

/* ===== 通用区块 ===== */
.section{padding:64px 0}
.section-alt{background:var(--surface)}
.section-head{text-align:center;max-width:640px;margin:0 auto 36px}
.section-head .eyebrow{color:var(--brand-dark);font-size:.8rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px}
.section-head h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:900;margin-bottom:10px}
.section-head p{color:var(--muted);font-size:.98rem}

.about-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:start}
.about-text p{color:var(--muted);margin-bottom:14px;line-height:1.85}
.check-list{list-style:none;display:grid;gap:10px}
.check-list li{position:relative;padding-left:28px;color:var(--ink);font-weight:600}
.check-list li::before{
  content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;
  background:var(--brand);box-shadow:inset 0 0 0 4px #d7f5f1
}
.info-card{
  background:var(--dark-2);color:#fff;border-radius:20px;padding:24px;
  box-shadow:var(--shadow);border:1px solid rgba(46,196,182,.2)
}
.info-card h3{font-size:1rem;margin-bottom:14px;color:var(--brand)}
.info-card dl{display:grid;gap:0}
.info-card dl > div{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:.88rem}
.info-card dl > div:last-child{border-bottom:none}
.info-card dt{color:rgba(255,255,255,.5)}
.info-card dd{font-weight:700}

.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feat-card{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  transition:transform .2s,border-color .2s,box-shadow .2s
}
.feat-card:hover{transform:translateY(-4px);border-color:rgba(46,196,182,.45);box-shadow:var(--shadow)}
.feat-card h3{font-size:1.02rem;margin-bottom:8px}
.feat-card p{color:var(--muted);font-size:.9rem}

.dl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.dl-card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:24px;
  transition:transform .2s,border-color .2s,box-shadow .2s;color:inherit
}
.dl-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow)}
.dl-tag{
  display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.06em;
  color:var(--brand-dark);background:rgba(46,196,182,.12);padding:4px 10px;border-radius:999px;margin-bottom:12px
}
.dl-card h3{font-size:1.1rem;margin-bottom:8px}
.dl-card p{color:var(--muted);font-size:.9rem;margin-bottom:14px}
.dl-go{font-weight:800;color:var(--brand-dark);font-size:.9rem}

.shots-row{display:flex;gap:16px;justify-content:center;overflow-x:auto;padding-bottom:8px}
.shots-row img{width:180px;flex-shrink:0;border-radius:18px;box-shadow:var(--shadow);border:1px solid var(--line)}

.steps{counter-reset:s;max-width:720px;margin:0 auto;list-style:none}
.steps li{
  counter-increment:s;display:grid;grid-template-columns:48px 1fr;gap:14px;
  padding:18px 0;border-bottom:1px solid var(--line)
}
.steps li:last-child{border-bottom:none}
.steps li::before{
  content:counter(s);width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#06221f;
  display:flex;align-items:center;justify-content:center;font-weight:900
}
.steps h3{font-size:1rem;margin-bottom:4px}
.steps p{color:var(--muted);font-size:.9rem}

.faq-list{max-width:760px;margin:0 auto;display:grid;gap:10px}
.faq-list details{
  background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:0;overflow:hidden
}
.faq-list summary{
  list-style:none;cursor:pointer;padding:16px 18px;font-weight:800;font-size:.95rem;
  display:flex;justify-content:space-between;align-items:center;gap:12px
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";color:var(--brand-dark);font-size:1.2rem;font-weight:700}
.faq-list details[open] summary::after{content:"–"}
.faq-list details[open] summary{border-bottom:1px solid var(--line);color:var(--brand-dark)}
.faq-list details p{padding:0 18px 16px;color:var(--muted);font-size:.9rem;line-height:1.75}

.cta-band{
  background:linear-gradient(135deg,#0f1a17,#16322c 50%,#0f1a17);
  color:#fff;padding:48px 0;border-top:1px solid rgba(46,196,182,.2)
}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-inner h2{font-size:1.4rem;margin-bottom:6px}
.cta-inner p{color:rgba(255,255,255,.65)}

.site-foot,.frog-foot{background:var(--dark);color:rgba(255,255,255,.55);padding:36px 0 110px;text-align:center}
.notice{
  background:rgba(243,156,18,.1);border:1px solid rgba(243,156,18,.35);border-radius:12px;
  padding:14px 16px;margin-bottom:20px;color:#f5cba7;font-size:.85rem;font-weight:600;line-height:1.6
}
.foot-links,.link-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:16px}
.foot-links a,.link-row a{color:rgba(255,255,255,.55);font-size:.85rem}
.foot-links a:hover,.link-row a:hover{color:var(--brand)}
.stats,.stat-text{font-size:.85rem;margin-bottom:8px}
.stats strong,.stat-text strong{color:var(--brand)}
.copy,.foot-copy{font-size:.78rem;color:rgba(255,255,255,.35)}

.frog-bar{
  position:fixed;bottom:0;left:0;right:0;z-index:999;
  background:rgba(11,15,14,.94);backdrop-filter:blur(12px);
  border-top:1px solid rgba(46,196,182,.35);
  padding:10px 16px;display:flex;align-items:center;justify-content:center;gap:10px;
  transform:translateY(100%);transition:transform .3s
}
.frog-bar.up{transform:translateY(0)}
.frog-bar .label{color:#fff;font-weight:800;font-size:.88rem;margin-right:4px}

/* ===== 内页兼容 ===== */
.sub-hero{background:var(--dark-2);color:#fff;padding:40px 0;text-align:center}
.sub-hero h1{font-size:clamp(1.4rem,4vw,2rem);margin-bottom:6px}
.sub-hero p{opacity:.75}
.prose{padding:40px 0;max-width:760px;margin:0 auto}
.prose h2{font-size:1.15rem;color:var(--brand-dark);margin:22px 0 10px;font-weight:800}
.prose p,.prose li{color:var(--muted);font-size:.93rem;margin-bottom:10px}
.prose ul,.prose ol{padding-left:20px;margin-bottom:14px}
.b-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:12px;font-weight:800;color:#fff;cursor:pointer;border:none;text-decoration:none;
  transition:transform .18s,box-shadow .18s
}
.b-btn:hover{transform:translateY(-2px)}
.b-android{background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#06221f;box-shadow:0 8px 22px rgba(46,196,182,.3)}
.b-ios{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2)}
.b-sm{padding:10px 16px;font-size:.85rem;border-radius:999px}
.bubble-btns{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}

/* ===== 移动端菜单 ===== */
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;padding:10px;border:1px solid rgba(255,255,255,.2);border-radius:12px;background:rgba(255,255,255,.06);cursor:pointer}
.nav-toggle span{display:block;height:2px;width:100%;background:#fff;border-radius:1px;transition:transform .25s,opacity .2s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:1000}
.nav-mask.on{display:block}
body.nav-open{overflow:hidden}

@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr;gap:28px;text-align:center}
  .trust-row,.hero-actions{justify-content:center}
  .hero-lead{margin-left:auto;margin-right:auto}
  .hero-aside{min-height:300px;order:-1}
  .hero-phones{display:none}
  .about-grid,.feat-grid,.dl-grid{grid-template-columns:1fr}
  .feat-grid{grid-template-columns:1fr 1fr}
  .strip-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{justify-content:center;text-align:center}
  .cta-inner .hero-actions{justify-content:center}
}
@media(max-width:768px){
  .site-top,.wave-header{z-index:1010;isolation:isolate}
  .nav-row{z-index:1011}
  .nav-toggle{display:flex;position:relative;z-index:1013}
  .pill-nav{
    display:none;position:fixed;top:64px;right:12px;left:auto;min-width:190px;
    flex-direction:column;gap:4px;background:#141a18;border:1px solid rgba(46,196,182,.25);
    border-radius:16px;padding:10px;box-shadow:0 16px 40px rgba(0,0,0,.45);z-index:1012
  }
  .pill-nav.is-open{display:flex}
  .pill-nav a{display:block;padding:12px 14px;border-radius:10px}
  .pill-nav a:hover{background:rgba(46,196,182,.15)}
  body.nav-open .frog-bar{z-index:999}
}
@media(max-width:560px){
  .feat-grid{grid-template-columns:1fr}
  .shots-row img{width:150px}
  .hero{padding:36px 0 48px}
}