/* SafeW 官网 - 暗房气压计：黑底 + 电报稿宽字距，652px 栏右偏 16px，铭牌起、底缝收 */
:root{
  --bg:#0B0A09;      /* 黑底 */
  --ink:#EFEDEA;     /* 白字 */
  --paper:#3C3429;   /* 纸（深卡其面板） */
  --paperc:#E3E2DD;  /* 字（面板内） */
  --line:#7388A5;    /* 线 */
  --seal:#D45389;    /* 印 */
  --panel:#171310;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,sans-serif;
  font-weight:300;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
/* 电报稿：字与字之间全是空格 */
body{letter-spacing:.14em}
main,header,footer{position:relative;z-index:1}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.mono{font-family:"Consolas","Courier New",monospace}

/* ---------- 652px 栏，整体右偏 16px ---------- */
.wrap{max-width:652px;margin:0 auto;padding:0 24px;position:relative;left:16px}

/* ---------- 顶栏 ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(11,10,9,.8);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:500}
.brand img{width:28px;height:28px;border-radius:50%}
.menu{display:flex;gap:30px;font-size:14px;color:var(--line)}
.menu a:hover{color:var(--seal)}
.btn{display:inline-block;background:var(--seal);color:#fff;border-radius:999px;padding:9px 24px;font-size:14px;font-weight:500;transition:opacity .2s;letter-spacing:.1em}
.btn:hover{opacity:.85}
.btn-ghost{background:transparent;color:var(--ink);padding:10px 12px}
.btn-ghost:hover{color:var(--seal)}

/* ---------- 铭牌名 + 五档刻度 + 材质行 ---------- */
.plate{display:flex;align-items:center;gap:14px}
.plate .p-no{font-family:"Consolas","Courier New",monospace;color:var(--seal);font-size:13px;letter-spacing:.4em}
.plate::before{content:"";width:26px;height:2px;background:var(--line)}
.gauge{display:inline-flex;gap:7px;margin-left:4px;align-items:flex-end}
.gauge i{width:3px;background:var(--line);opacity:.6}
.gauge i:nth-child(1){height:6px}
.gauge i:nth-child(2){height:9px}
.gauge i:nth-child(3){height:12px;background:var(--seal);opacity:.95}
.gauge i:nth-child(4){height:9px}
.gauge i:nth-child(5){height:6px}
.material{font-size:12.5px;color:var(--line);max-width:540px;font-family:"Consolas","Courier New",monospace;letter-spacing:.18em}
.sec-head{margin-bottom:44px}
.sec-head h2{font-size:28px;font-weight:600;margin:18px 0 12px;letter-spacing:.08em}

/* ---------- 底缝（区块分隔） ---------- */
.seam{max-width:652px;margin:0 auto;padding:0 24px;position:relative;left:16px}
.seam hr{border:none;border-top:2px dashed rgba(115,136,165,.3)}

/* ---------- 英雄区 ---------- */
.hero{padding:82px 0 86px}
.hero h1{font-size:34px;font-weight:600;line-height:1.45;margin:20px 0 8px;letter-spacing:.06em}
.wordmark{width:min(260px,55%);margin:6px 0 18px;border-radius:16px;background:#EFEDEA;padding:12px}
.hero p.lead{color:var(--line);font-size:16px;margin-bottom:28px}
.cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.tags{display:flex;gap:10px;flex-wrap:wrap}
.tag{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--paperc);background:var(--paper);border-radius:999px;padding:7px 15px;font-family:"Consolas","Courier New",monospace;letter-spacing:.12em}
.tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--seal)}
.shot{position:relative;margin-top:36px}
.shot-card{background:var(--paper);border-radius:22px;padding:12px;box-shadow:0 24px 60px rgba(0,0,0,.5)}
.badge{position:absolute;background:#EFEDEA;color:#3C3429;border-radius:999px;padding:8px 16px;font-size:12.5px;display:flex;align-items:center;gap:8px;box-shadow:0 10px 26px rgba(0,0,0,.45);font-weight:500;letter-spacing:.08em}
.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--seal)}
.b1{top:22px;right:-10px}
.b2{bottom:28px;left:-12px}

section{padding:66px 0}

/* ---------- 卡片（深卡其纸面） ---------- */
.card{background:var(--paper);color:var(--paperc);border-radius:18px;padding:32px 28px;position:relative;box-shadow:0 6px 22px rgba(0,0,0,.4)}
.card::before{content:"";position:absolute;left:28px;right:28px;top:0;height:2px;background:repeating-linear-gradient(90deg,var(--line) 0 4px,transparent 4px 14px);opacity:.5}
.card h3{font-size:17.5px;font-weight:500;margin:12px 0 8px;letter-spacing:.08em}
.card p{color:#9FA8B4;font-size:14px}
.card .no{font-family:"Consolas","Courier New",monospace;color:var(--seal);font-size:13px;letter-spacing:.2em}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}

/* ---------- 评价 / 场景 ---------- */
.quote-card .who{color:var(--seal);font-size:12.5px;letter-spacing:.24em;display:block;font-family:"Consolas","Courier New",monospace;margin-bottom:10px}
.quote-card blockquote{font-size:14.5px;color:var(--paperc);font-style:italic;margin-top:12px}

/* ---------- 对比表 ---------- */
.table-box{background:var(--paper);border-radius:22px;padding:34px 34px 22px;box-shadow:0 8px 28px rgba(0,0,0,.45);overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:660px}
th,td{padding:14px 12px;text-align:center;font-size:13.5px}
th{font-weight:500;color:var(--line);font-family:"Consolas","Courier New",monospace;letter-spacing:.12em}
td{color:var(--paperc)}
td:first-child,th:first-child{text-align:left}
td:first-child{font-weight:500}
tbody tr:nth-child(odd){background:rgba(115,136,165,.09)}
.col-cap{color:var(--seal);font-weight:600}
.yes{color:var(--seal);font-weight:600}
.no{color:var(--line)}

/* ---------- 日志 ---------- */
.log{display:flex;flex-direction:column;gap:14px}
.log-item{background:var(--paper);border-radius:16px;padding:20px 26px;display:flex;gap:22px;align-items:baseline;flex-wrap:wrap}
.log-item .v{color:var(--seal);font-weight:500;min-width:82px;font-size:14px;font-family:"Consolas","Courier New",monospace}
.log-item .d{color:var(--line);font-size:12.5px;min-width:80px;font-family:"Consolas","Courier New",monospace}
.log-item p{color:#9FA8B4;font-size:14px;flex:1;min-width:240px}

/* ---------- FAQ ---------- */
.faq-item{background:var(--paper);border-radius:16px;padding:22px 26px;margin-bottom:12px}
.faq-item summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:12px;font-size:15px;font-weight:500;color:var(--paperc);letter-spacing:.06em}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"▸";color:var(--seal);font-family:"Consolas","Courier New",monospace}
.faq-item[open] summary::before{content:"▾"}
.faq-item p{color:#9FA8B4;margin-top:10px;font-size:14px}

/* ---------- 理念图 ---------- */
.idea-img{border-radius:16px;margin-top:24px}

/* ---------- 卷尾轴 ---------- */
.scroll-end{padding:10px 0 0}
.scroll-end .roller{
  height:26px;border-radius:13px;
  background:linear-gradient(180deg,#3C3429 0%,#1B1712 45%,#3C3429 100%);
  box-shadow:inset 0 -3px 6px rgba(0,0,0,.6),0 4px 14px rgba(0,0,0,.4);position:relative;
}
.scroll-end .roller::before,.scroll-end .roller::after{
  content:"";position:absolute;top:3px;width:20px;height:20px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,#4C4234,#1B1712 70%);
}
.scroll-end .roller::before{left:-6px}
.scroll-end .roller::after{right:-6px}

/* ---------- 收口 CTA ---------- */
.final{background:var(--seal);color:#fff;border-radius:26px;text-align:center;padding:72px 34px;box-shadow:0 26px 70px rgba(212,83,137,.3)}
.final h2{font-size:30px;font-weight:600;margin-bottom:12px}
.final p{color:rgba(255,255,255,.85);margin-bottom:32px}
.final .btn{background:#0B0A09;color:#EFEDEA}

/* ---------- 页脚 ---------- */
footer{padding:56px 0 40px;color:var(--line);font-size:13.5px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:34px}
.foot-grid h4{color:var(--ink);font-weight:500;font-size:14px;margin-bottom:12px;font-family:"Consolas","Courier New",monospace;letter-spacing:.18em}
.foot-grid a{display:block;margin-bottom:8px}
.foot-grid a:hover{color:var(--seal)}
.copyright{text-align:center;font-size:12px;opacity:.65;font-family:"Consolas","Courier New",monospace;letter-spacing:.18em}

/* 窄屏 */
@media (max-width:900px){
  .wrap,.seam{left:0;margin:0 auto}
  .menu{display:none}
  .grid2{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:27px}
}