/* ===== 小象光画 · 风格 C：活泼插画 Playful（暖阳珊瑚 + 大圆角） ===== */
:root{
  --c-bg:#FFF7F0;
  --c-bg-alt:#FFEFE6;
  --c-surface:#FFFFFF;
  --c-ink:#2B2438;
  --c-ink-soft:#70647E;
  --c-line:#F2DFD2;
  --c-primary:#FF7A59;     /* 暖阳珊瑚 */
  --c-primary-d:#F2643F;
  --c-accent:#FFB23E;      /* 阳光黄 */
  --c-accent-d:#F59E0B;
  --c-teal:#2DD4BF;
  --c-yellow:#FFD166;
  --shadow-sm:0 3px 10px rgba(255,122,89,.10);
  --shadow-md:0 16px 36px rgba(255,122,89,.18);
  --shadow-lg:0 26px 60px rgba(255,122,89,.22);
  --radius:26px;
  --radius-sm:18px;
  --maxw:1140px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--c-ink);background:var(--c-bg);line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
h1,h2,h3,h4{line-height:1.25;font-weight:800}
::selection{background:rgba(255,178,62,.28)}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:800;font-size:15px;border:2px solid transparent;cursor:pointer;transition:.22s ease;white-space:nowrap}
.btn--sm{padding:9px 16px;font-size:14px}
.btn--lg{padding:16px 34px;font-size:17px}
.btn--block{width:100%}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(255,122,89,.35)}
.btn--primary:hover{background:var(--c-primary-d);transform:translateY(-2px) rotate(-1deg);box-shadow:0 12px 26px rgba(255,122,89,.45)}
.btn--ghost{background:#fff;border-color:var(--c-line);color:var(--c-ink)}
.btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:#FFF7F0}
/* 微信小程序按钮 — 官方微信绿 */
.btn--wechat{background:#07C160;color:#fff;border-color:#07C160;box-shadow:0 8px 20px rgba(7,193,96,.30)}
.btn--wechat:hover{background:#06AE56;border-color:#06AE56;transform:translateY(-2px) rotate(-1deg);box-shadow:0 12px 26px rgba(7,193,96,.42)}
/* App Store 徽章按钮 — 改用暖调深灰，与珊瑚橙背景协调，避免纯黑突兀 */
.btn--store{background:#2D2A35;color:#fff;border-color:#2D2A35;gap:9px}
.btn--store:hover{background:#3D3945;transform:translateY(-2px) rotate(-1deg)}
.btn--store svg{flex:none}
/* Hero 按钮统一宽度 */
.hero__actions .btn{min-width:160px}

/* ===== 导航 ===== */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,247,240,.85);backdrop-filter:blur(12px);border-bottom:2px solid var(--c-line)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900}
.brand__img{display:block;height:30px;width:auto}
.brand__logo{display:flex}
.brand__name{font-size:21px;letter-spacing:.5px;color:var(--c-ink)}
.nav__links{display:flex;gap:28px;font-weight:700;color:var(--c-ink-soft);margin-left:auto}
.nav__links a{position:relative;padding:4px 0;transition:.2s}
.nav__links a:hover{color:var(--c-primary)}
.nav__links a::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:3px;border-radius:3px;background:var(--c-accent);transition:.2s}
.nav__links a:hover::after{width:100%}
.nav__cta{margin-left:8px}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav__toggle span{width:24px;height:3px;background:var(--c-ink);border-radius:3px;transition:.2s}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(900px 520px at 88% -12%, rgba(255,178,62,.30), transparent 60%),
  radial-gradient(700px 500px at 4% 8%, rgba(255,122,89,.22), transparent 55%),
  var(--c-bg);
}
.hero__inner{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:64px 22px 76px}
.badge{display:inline-block;background:#fff;border:2px solid var(--c-line);color:var(--c-primary-d);font-weight:800;font-size:13px;padding:7px 15px;border-radius:999px;box-shadow:var(--shadow-sm)}
.hero__title{font-size:clamp(35px,5.2vw,58px);margin:18px 0 16px;letter-spacing:-.5px}
.hero__title{background:linear-gradient(120deg,var(--c-ink) 30%,var(--c-primary) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero__sub{font-size:17px;color:var(--c-ink-soft);max-width:520px}
.hero__sub strong{color:var(--c-primary-d)}
.hero__actions{display:flex;gap:12px;margin:30px 0 0;flex-wrap:wrap;grid-column:1/-1;justify-content:flex-start}
.hero__points{list-style:none;display:flex;flex-direction:column;gap:10px}
.hero__points li{display:flex;align-items:center;gap:10px;color:var(--c-ink-soft);font-weight:700}
.dot{width:11px;height:11px;border-radius:50%;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));box-shadow:0 0 0 4px rgba(255,178,62,.25);flex:none}
.hero__visual{display:flex;justify-content:center;align-items:center}
.hero__img{display:block;width:auto;height:auto;max-width:470px;max-height:550px;transform:translateY(30px);border-radius:24px;filter:drop-shadow(0 22px 44px rgba(255,122,89,.28))}

/* ===== 通用 section ===== */
.section{padding:88px 0}
.section--alt{background:var(--c-bg-alt)}
.section__head{text-align:center;max-width:720px;margin:0 auto 46px}
.section__head h2{font-size:clamp(27px,3.6vw,40px)}
.section__lead{margin-top:14px;color:var(--c-ink-soft);font-size:16px}

/* ===== 步骤 ===== */
.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step}
.step{background:var(--c-surface);border:2px solid var(--c-line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);position:relative}
.step__num{width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;font-weight:900;font-size:21px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;box-shadow:0 6px 16px rgba(255,122,89,.35)}
.step h3{font-size:19px;margin-bottom:8px}
.step p{color:var(--c-ink-soft);font-size:15px}
.how__note{margin-top:28px;background:#fff;border:2px dashed var(--c-primary);border-radius:var(--radius-sm);padding:16px 20px;color:var(--c-ink-soft);display:flex;gap:12px;align-items:center}
.tag{background:var(--c-primary);color:#fff;font-weight:800;font-size:12px;padding:4px 10px;border-radius:999px;flex:none}

/* ===== 通用 icon 容器 ===== */
.feature__icon,.scenario__icon,.download-card__icon{
  width:56px;height:56px;border-radius:18px;
  background:linear-gradient(135deg,#FFE6D6 0%,#FFEFD9 100%);
  display:flex;align-items:center;justify-content:center;
  color:var(--c-primary);
  box-shadow:inset 0 0 0 2px rgba(255,122,89,.12);
}
.feature__icon{margin-bottom:16px}
.feature__icon svg,.scenario__icon svg,.download-card__icon svg{width:32px;height:32px;display:block}

/* ===== 功能卡片 ===== */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature{background:var(--c-surface);border:2px solid var(--c-line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);transition:.22s ease;position:relative;overflow:hidden}
.feature::before{content:"";position:absolute;inset:0 0 auto 0;height:5px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent))}
.feature:hover{transform:translateY(-5px) rotate(-.5deg);box-shadow:var(--shadow-md);border-color:rgba(255,122,89,.5)}
.feature h3{font-size:18px;margin-bottom:8px}
.feature p{color:var(--c-ink-soft);font-size:14.5px}

/* ===== 适用场景 ===== */
.scenarios{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scenario{background:var(--c-surface);border:2px solid var(--c-line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:.22s}
.scenario:hover{transform:translateY(-5px) rotate(.5deg);box-shadow:var(--shadow-md);border-color:rgba(255,122,89,.5)}
.scenario__icon{margin-bottom:12px}
.scenario h3{font-size:18px;margin-bottom:8px}
.scenario p{color:var(--c-ink-soft);font-size:14.5px}

/* ===== 下载 / 转化 ===== */
.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1000px;margin:0 auto;align-items:stretch}
.download-card{background:var(--c-surface);border:2px solid var(--c-line);border-radius:var(--radius);padding:30px 28px;text-align:center;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;align-items:center}
.download-card__icon{margin:0 auto 14px}
.download-card h3{font-size:22px;margin-bottom:10px}
.download-card p{color:var(--c-ink-soft);font-size:15px;max-width:30ch}
.download-card__list{list-style:none;text-align:left;display:inline-block;margin:14px auto;color:var(--c-ink-soft);font-size:14px}
.download-card__list li{padding-left:22px;position:relative;margin:6px 0}
.download-card__list li::before{content:"✓";position:absolute;left:0;color:var(--c-teal);font-weight:900}
.qr{display:inline-flex;background:#fff;border:2px solid var(--c-line);border-radius:16px;padding:10px;margin:16px 0 10px;box-shadow:var(--shadow-sm);min-height:160px;align-items:center;justify-content:center}
.qr__img{display:block;width:140px;height:auto;border-radius:6px}
.download-card .btn--block{margin-top:auto}
.download-card__hint{font-size:12.5px;color:var(--c-ink-soft);opacity:.8;margin-top:8px}

/* "即将上线"小字——贴在按钮正上方居中，视觉轻盈 */
.download-card__hint--above{margin:14px 0 8px;text-align:center;font-size:12.5px;font-weight:600;letter-spacing:.8px;color:var(--c-ink-soft);opacity:.85;width:100%}
/* --above 不复用 .download-card__hint 默认的 opacity:.8 margin-top:8px（已自写全属性） */
.download-card__cta-spacer{display:block;height:54px;margin-top:auto}
.download-card__badge{display:inline-block;font-size:11.5px;font-weight:600;letter-spacing:.3px;color:var(--c-ink-soft);background:var(--c-line);padding:3px 9px;border-radius:999px;margin-left:8px;vertical-align:middle;line-height:1.4}

/* ===== CTA 背景 ===== */
.cta{background:
  radial-gradient(700px 420px at 50% -20%, rgba(255,122,89,.16), transparent 60%),
  var(--c-bg);
}

/* ===== 页脚 ===== */
.footer{background:#2B2438;color:#C9BFC8;padding:44px 0}
.footer__inner{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:center}
.footer__brand .brand__name{color:#fff;font-size:20px}
.footer__brand p{font-size:13.5px;margin-top:6px;opacity:.8}
.footer__links{display:flex;gap:22px;font-weight:700;font-size:14px}
.footer__links a:hover{color:#fff}
.footer__copy{width:100%;font-size:13px;opacity:.6;border-top:1px solid rgba(255,255,255,.1);padding-top:18px;margin-top:8px}

/* ===== 响应式 ===== */
@media (max-width:900px){
  .hero__inner{grid-template-columns:1fr;padding-top:40px}
  .hero__visual{order:-1}
  .steps,.features,.scenarios{grid-template-columns:1fr 1fr}
  .download-grid{grid-template-columns:1fr}
  .nav__links{display:none}
  .nav__cta{display:none}
  .nav__toggle{display:flex}
  .nav.is-open .nav__links{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;background:var(--c-bg);padding:18px 22px;gap:14px;border-bottom:2px solid var(--c-line);box-shadow:var(--shadow-md)}
}
@media (max-width:620px){
  .steps,.features,.scenarios{grid-template-columns:1fr}
  .section{padding:64px 0}
}