/* ===== 博客号官网 —— 明亮 / 纸墨朱砂 / 丝滑 ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --accent: #b23a29;
  --accent-dark: #962e1e;
  --accent-soft: rgba(178, 58, 41, 0.08);
  --bg: #faf8f4;
  --tint: #f4efe7;
  --card: #ffffff;
  --ink: #211d19;
  --sub: #6e675e;
  --line: #e8e1d6;
  --radius: 18px;
  --shadow: 0 10px 40px rgba(32, 29, 26, 0.08);
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background: var(--accent-soft); color: #8f2f1f; border-radius: 5px; padding: 1px 6px; font-size: 0.9em; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 760px; }

/* ---------- 导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(250, 248, 244, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.nav.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 4px 20px rgba(32, 29, 26, 0.05); }
.nav-inner {
  max-width: 1080px; margin: 0 auto; padding: 0 24px;
  height: 62px; display: flex; align-items: center; gap: 26px;
}
.nav-logo { display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 17px; }
.nav-logo img { width: 26px; height: 26px; }
.nav-logo-en { color: var(--sub); font-weight: 600; font-size: 13px; }
.nav-links { display: flex; gap: 22px; margin-left: auto; }
.nav-links a { font-size: 14px; color: var(--sub); transition: color 0.18s ease; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-demo { font-size: 13px; color: var(--accent); font-weight: 600; }
.nav-demo:hover { opacity: 0.8; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 22px; border-radius: 999px;
  font-size: 14.5px; font-weight: 600;
  border: 1.5px solid var(--line); background: var(--card); color: var(--ink);
  transition: all 0.2s ease; cursor: pointer;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(32, 29, 26, 0.1); border-color: #d6cec2; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; box-shadow: 0 6px 20px rgba(178, 58, 41, 0.32); }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-ghost { padding: 7px 16px; font-size: 13.5px; }
.btn-lg { padding: 13px 30px; font-size: 15.5px; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 138px 0 80px; }
.hero-bg {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(ellipse 60% 45% at 18% 0%, rgba(178, 58, 41, 0.10), transparent),
    radial-gradient(ellipse 50% 40% at 85% 8%, rgba(178, 58, 41, 0.06), transparent),
    linear-gradient(180deg, #f6efe7 0%, var(--bg) 78%);
}
.hero-inner { text-align: center; }
.hero-badge {
  display: inline-block; font-size: 13px; font-weight: 600; color: #8f2f1f;
  background: rgba(178, 58, 41, 0.09); border: 1px solid rgba(178, 58, 41, 0.25);
  border-radius: 999px; padding: 6px 16px; margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(38px, 7vw, 62px);
  font-weight: 800; letter-spacing: 0.01em; line-height: 1.18;
  background: linear-gradient(120deg, #201d1a 30%, #8f2f1f 90%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-sub { font-size: clamp(15px, 2.2vw, 18px); color: var(--sub); margin: 20px auto 30px; max-width: 620px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-shot { margin: 52px auto 0; max-width: 880px; }
.hero-shot figcaption { font-size: 13px; color: var(--sub); margin-top: 14px; }
.hero-chips {
  list-style: none; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
  margin-top: 34px;
}
.hero-chips li {
  font-size: 13px; color: #4a443c; background: var(--card);
  border: 1px solid var(--line); border-radius: 999px; padding: 7px 16px;
  box-shadow: 0 2px 8px rgba(32, 29, 26, 0.04);
}

/* ---------- 截图框 ---------- */
.shot-frame {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.shot-frame:hover { transform: translateY(-4px); box-shadow: 0 18px 50px rgba(32, 29, 26, 0.12); }
.shot-frame img { display: block; width: 100%; }
.shot-dots { display: flex; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.shot-dots i { width: 10px; height: 10px; border-radius: 50%; background: #e3e7e4; }
.shot-dots i:first-child { background: #f6b6b2; }
.shot-dots i:nth-child(2) { background: #f8ddA0; }
.shot-dots i:nth-child(3) { background: #a8e6b8; }
.shot-frame-sm { box-shadow: var(--shadow); }

/* ---------- 通用 section ---------- */
.section { padding: 84px 0; }
.section-tint { background: linear-gradient(180deg, var(--tint), #f7faf8 90%); }
.sec-title { font-size: clamp(26px, 4vw, 36px); font-weight: 800; text-align: center; letter-spacing: 0.01em; }
.sec-sub { text-align: center; color: var(--sub); font-size: 15.5px; margin: 12px 0 46px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: rgba(178, 58, 41, 0.32); }
.card-icon {
  width: 46px; height: 46px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 14px;
  background: var(--accent-soft);
}
.card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--sub); }
.card p b { color: var(--ink); }
.card-link { display: block; }
.card-link:hover h3 { color: var(--accent); }

/* ---------- 主题展示 ---------- */
.theme-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.phone {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 10px 10px 0;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.phone:hover { transform: translateY(-6px) scale(1.015); box-shadow: 0 22px 54px rgba(32, 29, 26, 0.14); }
.phone img {
  display: block; width: 100%; aspect-ratio: 420 / 860; object-fit: cover; object-position: top;
  border-radius: 16px 16px 0 0;
}
.phone figcaption { padding: 12px 6px 14px; text-align: center; }
.phone figcaption b { display: block; font-size: 14.5px; }
.phone figcaption span { font-size: 12px; color: var(--sub); }

/* ---------- 编辑器 section ---------- */
.split { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }
.split-text .sec-title { text-align: left; }
.ticks { list-style: none; margin: 26px 0 30px; }
.ticks li { padding: 7px 0 7px 30px; position: relative; font-size: 15px; color: #4a443c; }
.ticks li::before {
  content: '✓'; position: absolute; left: 2px; top: 8px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent);
  font-size: 12px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.ticks b { color: var(--ink); }
.split-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.split-media { position: relative; }
.split-media .shot-frame-float {
  position: absolute; right: -18px; bottom: -44px; width: 31%;
  border-radius: 18px; box-shadow: 0 20px 50px rgba(32, 29, 26, 0.2);
  border: 3px solid #fff;
}

/* ---------- 快速开始 ---------- */
.steps { list-style: none; counter-reset: step; }
.steps li {
  counter-increment: step;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px 22px 68px; margin-bottom: 14px; position: relative;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.steps li:hover { box-shadow: var(--shadow); border-color: rgba(178, 58, 41, 0.3); }
.steps li::before {
  content: counter(step);
  position: absolute; left: 20px; top: 22px;
  width: 32px; height: 32px; border-radius: 10px;
  background: var(--accent); color: #fff;
  font-weight: 800; font-size: 15px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(178, 58, 41, 0.32);
}
.steps li > b { display: block; font-size: 15.5px; margin-bottom: 10px; }
.steps pre {
  background: #26201b; color: #eee3d3;
  border-radius: 10px; padding: 14px 18px; overflow-x: auto;
  font-size: 13px; line-height: 1.75;
}
.steps pre code { background: none; color: inherit; padding: 0; font-size: 13px; }
.step-note { font-size: 14px; color: var(--sub); }
.step-note code { font-size: 12.5px; word-break: break-all; }
.steps-more { text-align: center; margin-top: 20px; font-size: 14px; color: var(--sub); }
.steps-more a { color: var(--accent); font-weight: 600; }

.grid-docs .card p { min-height: 42px; }

/* ---------- 尾部 ---------- */
.final { padding: 60px 0 90px; }
.final-inner {
  text-align: center;
  background: linear-gradient(135deg, #251f1a, #8a3120 55%, #c25440);
  border-radius: 28px; color: #fff;
  padding: 64px 30px;
  box-shadow: 0 24px 60px rgba(178, 58, 41, 0.32);
}
.final h2 { font-size: clamp(26px, 4vw, 36px); font-weight: 800; }
.final p { color: rgba(255, 255, 255, 0.85); margin: 12px 0 30px; }
.final .btn { background: #fff; border-color: #fff; color: #8f2f1f; box-shadow: none; }
.final .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(0, 0, 0, 0.2); }
.final .btn-primary { background: rgba(255, 255, 255, 0.16); border-color: rgba(255, 255, 255, 0.5); color: #fff; backdrop-filter: blur(4px); }

.footer { border-top: 1px solid var(--line); padding: 26px 0 34px; }
.footer-inner {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  font-size: 13px; color: var(--sub);
}
.footer-links { display: flex; gap: 18px; }
.footer-links a:hover { color: var(--accent); }

/* ---------- 入场动画 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .theme-row { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split-media .shot-frame-float { right: 6px; bottom: -30px; }
  .split-media { margin-bottom: 40px; }
  .pc-only { display: none; }
}
@media (max-width: 620px) {
  .nav-links { display: none; }
  .hero { padding-top: 110px; }
  .grid-3, .theme-row { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .steps li { padding-left: 60px; }
  .split-media .shot-frame-float { display: none; }
  .footer-inner { justify-content: center; text-align: center; }
}

/* ---------- 博客号目录（showcase） ---------- */
.showcase-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.showcase-card {
  display: flex; align-items: center; gap: 14px;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 18px 20px;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}
.showcase-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(178, 58, 41, 0.4);
}
.showcase-avatar {
  width: 44px; height: 44px; flex: 0 0 44px;
  border-radius: 12px; background: var(--accent);
  color: #fff; font-size: 20px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.showcase-main { min-width: 0; }
.showcase-name { font-size: 15px; font-weight: 700; }
.showcase-card:hover .showcase-name { color: var(--accent); }
.showcase-desc {
  font-size: 13px; color: var(--sub); margin-top: 2px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.showcase-empty {
  grid-column: 1 / -1; text-align: center; color: var(--sub);
  font-size: 14px; padding: 36px 0;
  border: 1.5px dashed var(--line); border-radius: 14px;
}
.showcase-cta { text-align: center; margin-top: 24px; font-size: 14.5px; color: var(--sub); }
.showcase-cta a { color: var(--accent); font-weight: 700; }
.showcase-cta a:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ---------- 路线图横幅 ---------- */
.section-roadmap { padding-top: 0; }
.roadmap {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap; justify-content: center;
  background: linear-gradient(120deg, rgba(178, 58, 41, 0.07), rgba(178, 58, 41, 0.04));
  border: 1px dashed rgba(178, 58, 41, 0.32);
  border-radius: var(--radius);
  padding: 20px 28px;
}
.roadmap-tag {
  font-size: 13px; font-weight: 800; color: var(--accent);
  background: var(--accent-soft); border-radius: 999px; padding: 6px 14px;
  flex: 0 0 auto;
}
.roadmap-items { display: flex; gap: 10px 28px; flex-wrap: wrap; }
.roadmap-items span { font-size: 14.5px; color: #4a443c; font-weight: 600; }

@media (max-width: 960px) {
  .showcase-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .showcase-grid { grid-template-columns: 1fr; }
  .roadmap { flex-direction: column; text-align: center; }
}