/*
Theme Name: SafeW Webline
Theme URI: https://safewweb.info/
Description: SafeW 社群聊天单页主题：青绿网格底纹、硬朗描边、数据面板式排版，突出社群运营与阅后即焚。
Version: 1.0.0
Author: SafeW
Text Domain: safew-webline
Requires at least: 6.0
Tested up to: 6.8
*/

:root {
  --paper: #f4fbf8;
  --ink: #06231c;
  --ink-soft: #3c635a;
  --teal: #0f9b7a;
  --teal-deep: #06614c;
  --lime: #b7f171;
  --line: #bfe3d8;
  --panel: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px, 48px 48px;
  background-position: -1px -1px;
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
  line-height: 1.8;
}

a { color: var(--teal-deep); }

.shell { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

.headbar {
  background: var(--ink);
  color: #eafaf4;
  border-bottom: 4px solid var(--teal);
}
.headbar .shell { display: flex; align-items: center; justify-content: space-between; min-height: 66px; gap: 16px; }
.mark { display: flex; align-items: center; gap: 11px; font-weight: 800; letter-spacing: .5px; }
.mark b {
  width: 32px; height: 32px; display: grid; place-items: center;
  background: var(--lime); color: #06231c; border-radius: 8px; font-size: 15px;
}
.headbar nav { display: flex; gap: 20px; font-size: 14.5px; }
.headbar nav a { color: #b9e6d8; }
.headbar nav a:hover { color: var(--lime); }

.cta {
  display: inline-block; padding: 11px 20px; border-radius: 8px;
  background: var(--lime); color: #06231c; font-weight: 700; font-size: 14.5px;
  border: 2px solid #06231c;
}
.cta:hover { background: #d3ffa1; }
.cta.line { background: transparent; color: #eafaf4; border-color: #4b7d70; }
.cta.line:hover { color: var(--lime); border-color: var(--lime); }

section { padding: 66px 0; }
.rule { border-top: 2px dashed var(--line); }

.intro { padding: 60px 0 50px; background: var(--panel); border-bottom: 2px solid var(--line); }
.intro .shell { display: grid; grid-template-columns: 1.02fr .98fr; gap: 40px; align-items: center; }

.tagline {
  display: inline-block; padding: 5px 12px; margin-bottom: 18px;
  border: 2px solid var(--teal); border-radius: 6px;
  font-size: 12.5px; letter-spacing: 1.2px; color: var(--teal-deep);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

h1 { font-size: clamp(30px, 4.2vw, 46px); line-height: 1.3; margin: 0 0 18px; letter-spacing: -.4px; }
h1 span { color: var(--teal); border-bottom: 5px solid var(--lime); }
h2 { font-size: clamp(23px, 2.8vw, 32px); margin: 0 0 14px; }
h3 { font-size: 18px; margin: 0 0 8px; }
p { margin: 0 0 15px; color: var(--ink-soft); }
.big { font-size: 17px; color: #14453a; }

.shot { background: var(--panel); border: 2px solid var(--ink); border-radius: 8px; overflow: hidden; box-shadow: 10px 10px 0 rgba(15, 155, 122, .18); }
.shot img { display: block; width: 100%; height: auto; }
.shot figcaption {
  padding: 11px 16px; font-size: 13px; color: var(--ink-soft);
  border-top: 2px solid var(--line);
  font-family: ui-monospace, Consolas, monospace;
}

.cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cols-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 34px; align-items: center; }

.panel {
  background: var(--panel); border: 2px solid var(--line);
  border-left: 6px solid var(--teal); border-radius: 8px; padding: 24px 22px;
}
.panel h3 { color: var(--teal-deep); }
.panel p:last-child { margin: 0; }

.stage { background: var(--ink); color: #e8faf4; border-radius: 10px; padding: 46px 0; }
.stage h2, .stage h3 { color: #ffffff; }
.stage p { color: #a9d6c9; }
.stage .shot { border-color: #2f6b5c; box-shadow: 10px 10px 0 rgba(183, 241, 113, .16); }

.checklist { list-style: none; padding: 0; margin: 0 0 6px; }
.checklist li { position: relative; padding-left: 30px; margin-bottom: 11px; color: var(--ink-soft); }
.checklist li::before {
  content: "✔"; position: absolute; left: 0; top: 0;
  color: var(--teal); font-weight: 700;
}
.stage .checklist li { color: #a9d6c9; }

.burn { display: grid; gap: 14px; }
.burn-row {
  display: grid; grid-template-columns: 92px 1fr; gap: 18px; align-items: start;
  background: var(--panel); border: 2px solid var(--line); border-radius: 8px; padding: 18px 20px;
}
.burn-row strong {
  font-family: ui-monospace, Consolas, monospace; color: #b91c1c; font-size: 15px;
}

.grid-table { width: 100%; border-collapse: collapse; background: var(--panel); font-size: 15px; border: 2px solid var(--ink); }
.grid-table th, .grid-table td { padding: 13px 16px; border: 1px solid var(--line); text-align: left; }
.grid-table th { background: #e2f6ef; color: var(--teal-deep); }
.grid-table td { color: var(--ink-soft); }

.faq details {
  background: var(--panel); border: 2px solid var(--line); border-radius: 8px;
  padding: 16px 20px; margin-bottom: 12px;
}
.faq summary { cursor: pointer; font-weight: 700; color: var(--teal-deep); }
.faq p { margin: 10px 0 0; }

.endcta { background: var(--teal); color: #04241b; border-radius: 10px; padding: 38px 40px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 26px; align-items: center; }
.endcta h2, .endcta p { color: #04241b; }
.endcta .cta { background: #06231c; color: var(--lime); border-color: var(--lime); }

footer { background: var(--ink); color: #8fbdb0; padding: 34px 0 46px; font-size: 14px; }
footer .shell { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }

.friend-links { padding: 32px 0 8px; border-top: 2px dashed var(--line); background: var(--paper); }
.friend-links p { margin: 0; font-size: 13px; line-height: 1.9; color: #6d8b83; word-break: break-word; }
.friend-links .fl-title { color: #5d7a72; }
.friend-links a { color: #6d8b83; margin-right: 5px; }
.friend-links a:hover { color: var(--teal-deep); text-decoration: underline; }

@media (max-width: 900px) {
  .intro .shell, .cols-2, .cols-3, .endcta { grid-template-columns: 1fr; }
  .headbar nav { display: none; }
  section { padding: 50px 0; }
}