/* 闪闪清单 官网样式 —— 暖米色 + 奶杏粉品牌调性 */
:root{
  --bg:#F7F0E6;
  --bg-soft:#FFFCF7;
  --card:#FFFFFF;
  --ink:#3A342C;
  --ink-soft:#8A8074;
  --ink-mute:#B0A89E;
  --rose:#C9A5A0;
  --rose-deep:#BF9893;
  --rose-text:#C4887A;
  --gold:#E6C590;
  --line:rgba(170,130,110,.14);
  --shadow:0 16px 48px rgba(170,130,110,.12);
  --radius:20px;
  --maxw:1120px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:52px;padding:0 32px;border-radius:999px;
  font-size:16px;font-weight:700;letter-spacing:1px;cursor:pointer;
  border:none;transition:transform .15s ease,opacity .15s ease,box-shadow .15s;
}
.btn-primary{
  color:#FFFBF8;
  background:linear-gradient(135deg,#D9BAB5 0%,#C9A5A0 48%,#BF9893 100%);
  box-shadow:0 10px 28px rgba(180,130,120,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(180,130,120,.36)}
.btn-ghost{
  color:#8A6F66;background:transparent;border:2px solid rgba(180,150,140,.35);
}
.btn-ghost:hover{background:rgba(201,165,160,.1)}
.section{padding:88px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 56px}
.section-head h2{font-size:34px;font-weight:800;letter-spacing:2px;color:var(--ink)}
.section-head p{margin-top:14px;font-size:17px;color:var(--ink-soft)}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--rose-text);background:rgba(201,165,160,.14);
  padding:6px 16px;border-radius:999px;margin-bottom:16px;
}

/* ===== 顶栏 ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,240,230,.82);backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:19px;letter-spacing:2px}
.brand img{width:38px;height:38px;border-radius:10px}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{font-size:15px;color:var(--ink-soft);font-weight:600;transition:color .15s}
.nav-links a:hover{color:var(--ink)}
.nav-cta{height:42px;padding:0 22px;font-size:14px}
.nav-toggle{display:none;background:none;border:none;font-size:26px;color:var(--ink);cursor:pointer}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;padding:84px 0 72px}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 50% 12%,#FFFCF7 0%,transparent 46%),
    radial-gradient(circle at 16% 82%,rgba(232,180,168,.22) 0%,transparent 42%),
    radial-gradient(circle at 86% 68%,rgba(240,212,168,.2) 0%,transparent 40%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:52px;line-height:1.2;font-weight:900;letter-spacing:2px}
.hero h1 .hl{color:var(--rose-text)}
.hero .lead{margin-top:22px;font-size:19px;color:var(--ink-soft);max-width:520px}
.hero-actions{margin-top:36px;display:flex;gap:16px;flex-wrap:wrap}
.hero-note{margin-top:20px;font-size:14px;color:var(--ink-mute)}
.hero-visual{display:flex;justify-content:center;align-items:center}

/* ===== 手机模型 ===== */
.phone{
  width:300px;height:600px;border-radius:46px;
  background:linear-gradient(160deg,#FFFCF7,#F3E8DC);
  border:10px solid #2E2A24;box-shadow:0 30px 70px rgba(120,90,70,.3);
  position:relative;overflow:hidden;flex:none;
}
.phone::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:120px;height:26px;background:#2E2A24;border-radius:0 0 16px 16px;z-index:3;
}
.phone-screen{position:absolute;inset:0;padding:46px 18px 20px;display:flex;flex-direction:column;gap:12px}
.ps-head{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.ps-head .av{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,#D9BAB5,#BF9893)}
.ps-head .t{font-weight:800;font-size:17px}
.ps-head .d{font-size:12px;color:var(--ink-mute)}
.ps-card{background:#fff;border-radius:16px;padding:14px 16px;box-shadow:0 6px 18px rgba(170,130,110,.1)}
.ps-task{display:flex;align-items:center;gap:12px;padding:9px 0}
.ps-task+.ps-task{border-top:1px solid var(--line)}
.ps-dot{width:20px;height:20px;border-radius:50%;border:2px solid var(--rose);flex:none}
.ps-dot.done{background:var(--rose);border-color:var(--rose)}
.ps-task .tx{font-size:14px;font-weight:600}
.ps-task.done .tx{color:var(--ink-mute);text-decoration:line-through}
.ps-task .tm{margin-left:auto;font-size:12px;color:var(--rose-text);font-weight:700}
.ps-focus{margin-top:auto;background:linear-gradient(135deg,#D9BAB5,#BF9893);border-radius:18px;padding:18px;color:#FFFBF8;text-align:center}
.ps-focus .big{font-size:30px;font-weight:900;letter-spacing:2px}
.ps-focus .sm{font-size:12px;opacity:.9;margin-top:2px}

/* ===== 功能区 ===== */
.features{background:var(--bg-soft)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{
  background:var(--card);border-radius:var(--radius);padding:30px 26px;
  box-shadow:var(--shadow);border:1px solid var(--line);transition:transform .18s,box-shadow .18s;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:0 22px 54px rgba(170,130,110,.18)}
.feature-card .ic{
  width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-size:28px;margin-bottom:18px;background:rgba(201,165,160,.16);
}
.feature-card h3{font-size:20px;font-weight:800;margin-bottom:10px}
.feature-card p{font-size:15px;color:var(--ink-soft)}

/* ===== 展示交替区 ===== */
.showcase-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.showcase-row+.showcase-row{margin-top:84px}
.showcase-row.reverse .showcase-text{order:2}
.showcase-text h3{font-size:28px;font-weight:800;margin-bottom:16px}
.showcase-text p{font-size:16px;color:var(--ink-soft);margin-bottom:12px}
.showcase-text ul{list-style:none;margin-top:16px}
.showcase-text li{padding:7px 0 7px 28px;position:relative;font-size:15px;color:var(--ink)}
.showcase-text li::before{content:"✦";position:absolute;left:0;color:var(--rose-text);font-weight:900}
.showcase-art{
  border-radius:24px;display:flex;align-items:center;justify-content:center;
  padding:28px;box-shadow:var(--shadow);border:1px solid var(--line);
  background:linear-gradient(150deg,#FFFCF7,#F3E8DC);
}
.showcase-art img{
  width:auto;max-width:100%;max-height:560px;border-radius:28px;
  box-shadow:0 18px 44px rgba(120,80,70,.22);display:block;
}

/* ===== CTA ===== */
.cta{background:var(--bg-soft)}
.cta-box{
  background:linear-gradient(135deg,#D9BAB5 0%,#C9A5A0 50%,#BF9893 100%);
  border-radius:30px;padding:64px 40px;text-align:center;color:#FFFBF8;
  box-shadow:0 24px 60px rgba(180,130,120,.3);
}
.cta-box h2{font-size:34px;font-weight:900;letter-spacing:2px}
.cta-box p{margin-top:14px;font-size:17px;opacity:.92}
.cta-box .btn{margin-top:30px;background:#FFFBF8;color:var(--rose-deep)}
.cta-box .btn:hover{transform:translateY(-2px)}

/* ===== 页脚 ===== */
.site-footer{background:#2E2A24;color:#C9C0B4;padding:56px 0 32px;font-size:14px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand img{width:40px;height:40px;border-radius:10px}
.footer-brand .n{font-size:19px;font-weight:800;color:#FFFBF8;letter-spacing:2px}
.footer-col .lead{color:#9A9284;max-width:320px;line-height:1.8}
.footer-col h4{color:#FFFBF8;font-size:15px;margin-bottom:16px;font-weight:700}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:10px}
.footer-col a:hover{color:#FFFBF8}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;text-align:center;line-height:2;color:#8A8378}
.footer-bottom a:hover{color:#FFFBF8}
.footer-bottom .sep{margin:0 10px;opacity:.4}

/* ===== 文档页 ===== */
.doc-hero{padding:56px 0 32px;text-align:center}
.doc-hero h1{font-size:36px;font-weight:900;letter-spacing:2px}
.doc-hero p{margin-top:12px;color:var(--ink-soft)}
.doc-body{
  max-width:860px;margin:0 auto 80px;background:var(--card);border-radius:var(--radius);
  padding:48px 52px;box-shadow:var(--shadow);border:1px solid var(--line);
}
.doc-body pre{
  white-space:pre-wrap;word-wrap:break-word;font-family:inherit;
  font-size:15.5px;line-height:1.9;color:var(--ink);
}

/* ===== 关于页 ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:48px}
.info-card{background:var(--card);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow);border:1px solid var(--line)}
.info-card h3{font-size:21px;font-weight:800;margin-bottom:18px}
.info-list{list-style:none}
.info-list li{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
.info-list li:last-child{border-bottom:none}
.info-list .k{color:var(--ink-soft);min-width:92px;font-weight:600}
.info-list .v{color:var(--ink);font-weight:600}

/* ===== 响应式 ===== */
@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr;gap:40px;text-align:center}
  .hero .lead{margin-left:auto;margin-right:auto}
  .hero-actions{justify-content:center}
  .hero h1{font-size:40px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .showcase-row,.showcase-row.reverse .showcase-text{grid-template-columns:1fr;order:0}
  .showcase-row{gap:28px}
  .about-grid,.footer-top{grid-template-columns:1fr}
  .nav-links{
    display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;
    gap:0;background:var(--bg-soft);border-bottom:1px solid var(--line);padding:8px 0;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 24px;width:100%}
  .nav-cta{margin:10px 24px}
  .nav-toggle{display:block}
}
@media (max-width:560px){
  .section{padding:60px 0}
  .feature-grid{grid-template-columns:1fr}
  .hero h1{font-size:34px}
  .doc-body{padding:30px 22px}
  .cta-box{padding:44px 24px}
}