/*
Theme Name: EYY Aurora 极光
Theme URI: https://eyysite.com/
Author: EYY Studio
Author URI: https://eyysite.com/
Description: 易歪歪聊天助手单页主题（深色科技风），适配 Windows / macOS / 移动端客服场景。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 7.1
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: eyy-aurora
Tags: one-column, custom-logo, featured-images, threaded-comments
*/

:root {
  --au-bg: #070c1a;
  --au-bg2: #0c1426;
  --au-card: #111b30;
  --au-card2: #16223c;
  --au-line: #223252;
  --au-text: #eaf1fd;
  --au-muted: #9aabca;
  --au-acc: #3b82f6;
  --au-acc2: #22d3ee;
  --au-good: #34d399;
  --au-warn: #fbbf24;
  --au-radius: 18px;
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--au-bg);
  color: var(--au-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
  line-height: 1.75;
  font-size: 16px;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { line-height: 1.3; margin: 0 0 .6em; font-weight: 800; }
figure { margin: 0; }

.au-shell { overflow: hidden; }

.au-container {
  width: min(1180px, 92%);
  margin-inline: auto;
}

.au-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 12, 26, .82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(80, 110, 170, .28);
}

.au-nav-inner {
  width: min(1180px, 92%);
  margin-inline: auto;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.au-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 20px;
  letter-spacing: .5px;
}

.au-brand i {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--au-acc), var(--au-acc2));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-style: normal;
  font-size: 13px;
  color: #fff;
}

.au-nav-links {
  display: flex;
  gap: 26px;
  color: var(--au-muted);
  font-size: 15px;
}

.au-nav-links a:hover { color: #fff; }

.au-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 12px;
  padding: 12px 20px;
  font-weight: 700;
  border: 0;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.au-btn-main {
  background: linear-gradient(135deg, var(--au-acc), var(--au-acc2));
  color: #04101f;
  box-shadow: 0 8px 26px rgba(59, 130, 246, .32);
}

.au-btn-main:hover { transform: translateY(-2px); box-shadow: 0 12px 34px rgba(59, 130, 246, .46); }

.au-btn-ghost {
  background: transparent;
  color: #d8e4f8;
  border: 1px solid var(--au-line);
}

.au-btn-ghost:hover { border-color: var(--au-acc2); color: #fff; }

.au-hero {
  position: relative;
  padding: 92px 0 96px;
  background:
    radial-gradient(900px 420px at 12% 8%, rgba(59, 130, 246, .22), transparent 60%),
    radial-gradient(760px 380px at 88% 26%, rgba(34, 211, 238, .14), transparent 58%),
    linear-gradient(180deg, #0a1122 0%, var(--au-bg) 100%);
}

.au-hero-grid {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 58px;
  align-items: center;
}

.au-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--au-acc2);
  background: rgba(34, 211, 238, .08);
  border: 1px solid rgba(34, 211, 238, .28);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 20px;
}

.au-hero h1 {
  font-size: clamp(36px, 5vw, 58px);
  letter-spacing: -1px;
  margin-bottom: 18px;
}

.au-hero h1 span {
  background: linear-gradient(90deg, var(--au-acc), var(--au-acc2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.au-lead {
  color: var(--au-muted);
  font-size: 17px;
  max-width: 560px;
}

.au-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 26px 0 10px;
}

.au-hero-note { color: #71809d; font-size: 13px; }

.au-hero-media {
  position: relative;
}

.au-hero-media .au-img-card {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .45);
  background: #0b1428;
}

.au-hero-media::before {
  content: "";
  position: absolute;
  inset: -24px -18px auto auto;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, .4), transparent 68%);
  filter: blur(20px);
  z-index: -1;
}

.au-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 48px;
}

.au-stat {
  background: rgba(17, 27, 48, .7);
  border: 1px solid var(--au-line);
  border-radius: 16px;
  padding: 18px 16px;
  text-align: center;
}

.au-stat b {
  display: block;
  font-size: 26px;
  background: linear-gradient(90deg, #7fb0ff, #61e2f5);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.au-stat small { color: var(--au-muted); font-size: 13px; }

.au-section { padding: 84px 0; }

.au-section-alt { background: linear-gradient(180deg, var(--au-bg), #0a1222 50%, var(--au-bg)); }

.au-sec-head {
  max-width: 780px;
  margin: 0 auto 50px;
  text-align: center;
}

.au-kicker {
  color: var(--au-acc2);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 2px;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.au-sec-head h2 { font-size: clamp(28px, 4vw, 40px); }
.au-sec-head p { color: var(--au-muted); }

.au-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.au-split h2 { font-size: clamp(27px, 3.4vw, 38px); }
.au-split-body { color: var(--au-muted); }
.au-point-list { margin: 22px 0 0; padding: 0; list-style: none; }
.au-point-list li { padding-left: 30px; position: relative; margin-bottom: 12px; }
.au-point-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--au-good);
  font-weight: 800;
}

.au-media {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--au-line);
  box-shadow: 0 24px 70px rgba(0, 0, 0, .36);
}

.au-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 12px;
}

.au-feature {
  background: var(--au-card);
  border: 1px solid var(--au-line);
  border-radius: var(--au-radius);
  padding: 26px 24px;
  transition: transform .22s ease, border-color .22s ease;
}

.au-feature:hover { transform: translateY(-5px); border-color: rgba(59, 130, 246, .65); }

.au-ico {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  font-size: 24px;
  font-style: normal;
  margin-bottom: 18px;
  background: rgba(59, 130, 246, .12);
  border: 1px solid rgba(59, 130, 246, .28);
}

.au-feature h3 { font-size: 19px; margin-bottom: 8px; }
.au-feature p { color: var(--au-muted); font-size: 14.5px; margin: 0; }

.au-banner {
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--au-line);
  box-shadow: 0 24px 70px rgba(0, 0, 0, .4);
}

.au-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  counter-reset: au-step;
}

.au-step {
  position: relative;
  background: var(--au-card);
  border: 1px solid var(--au-line);
  border-radius: var(--au-radius);
  padding: 30px 24px 24px 60px;
}

.au-step::before {
  counter-increment: au-step;
  content: counter(au-step, decimal-leading-zero);
  position: absolute;
  left: 22px;
  top: 28px;
  font-weight: 900;
  font-size: 24px;
  background: linear-gradient(135deg, var(--au-acc), var(--au-acc2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.au-step h3 { margin-bottom: 8px; }
.au-step p { color: var(--au-muted); font-size: 14.5px; margin: 0; }

.au-faq { max-width: 860px; margin: auto; }

.au-faq details {
  background: var(--au-card);
  border: 1px solid var(--au-line);
  border-radius: 16px;
  padding: 18px 22px;
  margin-bottom: 12px;
}

.au-faq summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 17px;
  list-style: none;
  position: relative;
  padding-right: 28px;
}

.au-faq summary::-webkit-details-marker { display: none; }
.au-faq summary::after {
  content: "+";
  position: absolute;
  right: 0;
  color: var(--au-acc2);
  font-size: 22px;
}

.au-faq details[open] summary::after { content: "−"; }
.au-faq details p { color: var(--au-muted); margin: 12px 0 0; font-size: 15px; }

.au-download {
  border-radius: 24px;
  padding: 54px;
  background:
    radial-gradient(500px 260px at 90% 20%, rgba(34, 211, 238, .2), transparent 60%),
    linear-gradient(135deg, #101d38, #0a1224);
  border: 1px solid rgba(59, 130, 246, .38);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: center;
}

.au-download h2 { font-size: clamp(26px, 3.4vw, 36px); margin-bottom: 10px; }
.au-download p { color: var(--au-muted); margin: 0; }
.au-dl-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.au-dl-tags span {
  font-size: 13px;
  color: #dce7fb;
  background: rgba(255, 255, 255, .06);
  border: 1px solid var(--au-line);
  padding: 5px 12px;
  border-radius: 999px;
}

.au-footer {
  border-top: 1px solid var(--au-line);
  padding: 32px 0;
  color: var(--au-muted);
  font-size: 14px;
}

.au-footer-inner {
  width: min(1180px, 92%);
  margin-inline: auto;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.au-footer .au-kw { color: #6f83a8; }

@media (max-width: 960px) {
  .au-hero { padding: 56px 0 64px; }
  .au-hero-grid, .au-split { grid-template-columns: 1fr; gap: 34px; }
  .au-stats { grid-template-columns: repeat(2, 1fr); }
  .au-features, .au-steps { grid-template-columns: 1fr; }
  .au-nav-links { display: none; }
  .au-download { grid-template-columns: 1fr; padding: 34px 24px; }
  .au-section { padding: 56px 0; }
}

@media (max-width: 560px) {
  .au-stats { grid-template-columns: 1fr; }
  .au-hero-actions .au-btn { width: 100%; }
}