/* === 云水伴星 LUNARA · 落地页样式（深色整页重做 2026-06-21）=== */
/* 视觉对齐 App 深色 UI：深蓝紫夜空 + 温金 accent + 真实人像/产品摄影 + 毛玻璃卡片 */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  /* 夜空底色（由深到浅，做段落渐变）*/
  --bg-0:           #08070F;      /* 最深夜 */
  --bg-1:           #0F0F1E;      /* 深夜底色 */
  --bg-2:           #1A1B2E;      /* 中夜调 */
  --bg-3:           #2A2540;      /* 暮紫夜 */

  --moon-blue:      #B8C5D6;      /* 月光银蓝 */
  --moon-blue-dim:  #6F7E94;
  --dusk-purple:    #4A3866;      /* 暮紫主色 */
  --dusk-purple-lit:#8C7BA8;      /* 暮紫淡 */
  --warm-gold:      #C7A368;      /* 温金 accent */
  --warm-gold-soft: #DAB987;
  --obsidian:       #1A1625;      /* 黑曜深紫 */

  /* 深色文字阶 */
  --text:           #ECE6F4;      /* 主文字（近白）*/
  --text-dim:       #B3A9C6;      /* 次文字 */
  --text-faint:     #7E768F;      /* 弱文字 */

  /* 毛玻璃卡片 */
  --card-bg:        rgba(255,255,255,0.045);
  --card-bg-hover:  rgba(255,255,255,0.07);
  --card-border:    rgba(184,197,214,0.16);
  --card-border-lit:rgba(199,163,104,0.55);

  --radius:         16px;
  --maxw:           1080px;
  --font:           'Noto Serif SC', 'Source Han Serif SC', serif;
  --font-en:        'Cormorant Garamond', 'Noto Serif SC', serif;
}

html { scroll-behavior: smooth; scroll-padding-top: 70px; }

/* ============= 顶部导航 ============= */
.nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 50;
  background: rgba(15,15,30,0.35);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(184,197,214,0.10);
  transition: background .3s, box-shadow .3s, border-color .3s;
}
.nav.scrolled {
  background: rgba(15,15,30,0.86);
  box-shadow: 0 6px 26px rgba(0,0,0,0.35);
  border-bottom-color: rgba(184,197,214,0.16);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 24px;
}
.nav-brand {
  font-family: var(--font-en); font-size: 22px; font-weight: 600;
  letter-spacing: 4px; color: var(--text); text-decoration: none;
}
.nav-links { display: flex; gap: 30px; }
.nav-links a {
  font-size: 13px; letter-spacing: 2px; color: var(--text-dim);
  text-decoration: none; transition: color .25s;
}
.nav-links a:hover { color: var(--warm-gold-soft); }
.nav-cta {
  padding: 8px 22px; border-radius: 40px;
  background: linear-gradient(135deg, var(--warm-gold) 0%, var(--warm-gold-soft) 100%);
  color: var(--obsidian); text-decoration: none;
  font-size: 13px; font-weight: 600; letter-spacing: 2px;
  white-space: nowrap;
  transition: transform .25s, box-shadow .25s;
  box-shadow: 0 3px 16px rgba(199,163,104,0.35);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 22px rgba(199,163,104,0.5); }
body {
  font-family: var(--font);
  background: var(--bg-1);
  color: var(--text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

/* 进入视口的揭示动画（main.js 加 .in 类）*/
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }

/* 通用段落标题 */
.section-title {
  font-size: clamp(24px, 5vw, 36px);
  font-weight: 700; text-align: center;
  color: var(--text); letter-spacing: 5px;
  margin-bottom: 10px;
}
.section-sub {
  font-family: var(--font-en);
  font-size: 13px; text-align: center;
  color: var(--warm-gold-soft);
  letter-spacing: 6px;
  margin-bottom: 52px;
  text-transform: uppercase;
  opacity: 0.85;
}

/* ============= HERO ============= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  padding: 80px 24px;
  overflow: hidden;
  color: var(--text);
}
/* 背景实拍人像（星座师）*/
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('../images/page/hero-model.webp');
  background-size: cover;
  background-position: center 28%;
  transform: scale(1.05);
  z-index: 0;
}
/* 深色蒙版：上压暗保证文字可读 + 底部融入夜色 */
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background:
    radial-gradient(ellipse at 50% 38%, rgba(15,15,30,0.30) 0%, rgba(15,15,30,0.72) 60%, rgba(8,7,15,0.92) 100%),
    linear-gradient(180deg, rgba(8,7,15,0.55) 0%, rgba(15,15,30,0.25) 35%, rgba(15,15,30,0.85) 88%, var(--bg-1) 100%);
}
/* 星点 */
.hero::before {
  content: ''; position: absolute; inset: 0; z-index: 2;
  background-image:
    radial-gradient(2px 2px at 14% 22%, rgba(255,255,255,0.9), transparent),
    radial-gradient(1.5px 1.5px at 28% 45%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 53% 18%, rgba(255,255,255,0.9), transparent),
    radial-gradient(1.5px 1.5px at 67% 73%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 78% 30%, rgba(199,163,104,0.7), transparent),
    radial-gradient(2px 2px at 88% 55%, rgba(255,255,255,0.7), transparent),
    radial-gradient(1px 1px at 40% 88%, rgba(184,197,214,0.5), transparent),
    radial-gradient(1.5px 1.5px at 8% 75%, rgba(255,255,255,0.6), transparent);
  background-repeat: no-repeat;
  pointer-events: none;
  animation: twinkle 6s ease-in-out infinite;
}
@keyframes twinkle { 0%,100% { opacity:.55 } 50% { opacity:1 } }

.hero-content { position: relative; z-index: 3; max-width: 760px; }
.hero-logo {
  width: 132px; height: 132px; border-radius: 30px;
  margin: 0 auto 26px;
  background: rgba(255,255,255,0.05);
  padding: 16px; backdrop-filter: blur(8px);
  box-shadow: 0 0 70px rgba(184,197,214,0.35), 0 10px 40px rgba(0,0,0,0.5),
              inset 0 0 0 1px rgba(184,197,214,0.2);
}
.hero-title {
  font-size: clamp(38px, 8vw, 60px);
  font-weight: 700; letter-spacing: 10px;
  margin-bottom: 10px; color: #F8F4FF;
  text-shadow: 0 2px 40px rgba(184,197,214,0.45);
}
.hero-title-en {
  font-family: var(--font-en);
  font-size: clamp(18px, 3vw, 26px);
  letter-spacing: 14px; font-weight: 500;
  color: var(--warm-gold-soft); margin-bottom: 26px; opacity: 0.92;
}
.hero-subtitle {
  font-size: clamp(16px, 2.5vw, 21px);
  color: var(--text); letter-spacing: 5px; margin-bottom: 14px;
}
.hero-slogan {
  font-family: var(--font-en);
  font-size: clamp(12px, 2vw, 15px);
  color: var(--moon-blue); letter-spacing: 6px;
  margin-bottom: 44px; text-transform: uppercase; opacity: 0.85;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-gold {
  display: inline-block; padding: 16px 48px; border-radius: 40px;
  background: linear-gradient(135deg, var(--warm-gold) 0%, var(--warm-gold-soft) 100%);
  color: var(--obsidian); text-decoration: none;
  font-size: 16px; letter-spacing: 4px; font-weight: 600;
  transition: transform .3s, box-shadow .3s;
  box-shadow: 0 4px 24px rgba(199,163,104,0.45);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 34px rgba(199,163,104,0.6); }
.btn-ghost {
  display: inline-block; padding: 16px 40px; border-radius: 40px;
  background: rgba(255,255,255,0.04); color: var(--text);
  text-decoration: none; font-size: 15px; letter-spacing: 4px;
  border: 1px solid var(--card-border); backdrop-filter: blur(6px);
  transition: all .3s;
}
.btn-ghost:hover { border-color: var(--warm-gold); color: var(--warm-gold-soft); }
.scroll-cue {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  z-index: 3; color: var(--text-dim); font-size: 22px;
  animation: bob 2s ease-in-out infinite;
}
@keyframes bob { 0%,100% { transform: translate(-50%,0); opacity:.6 } 50% { transform: translate(-50%,8px); opacity:1 } }

/* ============= 品牌引语 ============= */
.intro {
  padding: 96px 24px;
  background: linear-gradient(180deg, var(--bg-1) 0%, var(--bg-2) 100%);
  text-align: center;
}
.intro-inner { max-width: 720px; margin: 0 auto; }
.intro p {
  font-size: clamp(17px, 2.6vw, 22px);
  color: var(--text); line-height: 2.1; letter-spacing: 2px;
}
.intro p .hl { color: var(--warm-gold-soft); }
.intro .intro-en {
  font-family: var(--font-en); margin-top: 24px;
  font-size: 14px; letter-spacing: 5px; color: var(--text-faint);
  text-transform: uppercase;
}

/* ============= 人设：YOUR ENERGY YOUR STYLE ============= */
.personas {
  padding: 96px 24px;
  background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg-1) 100%);
}
/* 人设 montage 整条 banner（whole.png 裁顶部 4 人设条）*/
.personas-banner {
  max-width: var(--maxw); margin: 0 auto;
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--card-border);
  box-shadow: 0 18px 50px rgba(0,0,0,0.5);
}
.personas-banner img { width: 100%; display: block; }
.personas-caption {
  max-width: var(--maxw); margin: 22px auto 0; text-align: center;
  font-size: 15px; color: var(--text); letter-spacing: 3px; line-height: 1.7;
}
.personas-caption .en {
  display: block; margin-top: 6px;
  font-family: var(--font-en); font-size: 13px; letter-spacing: 3px;
  color: var(--warm-gold-soft); text-transform: uppercase;
}

/* ============= 产品 ============= */
.product {
  padding: 96px 24px;
  background:
    radial-gradient(ellipse at 75% 30%, rgba(74,56,102,0.35) 0%, transparent 55%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg-2) 100%);
}
.product-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
}
.product-figure {
  position: relative; border-radius: 22px; overflow: hidden;
  border: 1px solid var(--card-border);
  box-shadow: 0 24px 60px rgba(0,0,0,0.5), 0 0 80px rgba(199,163,104,0.08);
}
.product-figure img { width: 100%; }
.product-copy h2 {
  font-size: clamp(24px, 4vw, 34px); font-weight: 700;
  color: var(--text); letter-spacing: 3px; margin-bottom: 8px;
}
.product-copy .product-en {
  font-family: var(--font-en); font-size: 13px; letter-spacing: 5px;
  color: var(--warm-gold-soft); text-transform: uppercase; margin-bottom: 24px;
}
.product-copy > p {
  color: var(--text-dim); font-size: 15px; line-height: 2; margin-bottom: 28px;
}
.spec-list { list-style: none; display: grid; gap: 14px; }
.spec-list li {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 14px 16px; border-radius: 12px;
  background: var(--card-bg); border: 1px solid var(--card-border);
}
.spec-list .spec-ic {
  flex-shrink: 0; width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(199,163,104,0.10);
  border: 1px solid rgba(199,163,104,0.30);
  color: var(--warm-gold-soft);
}
.spec-list .spec-ic svg { width: 18px; height: 18px; }
.spec-list .spec-c { display: flex; flex-direction: column; gap: 3px; }
.spec-list .spec-k {
  font-weight: 700; color: var(--text);
  font-size: 14px; letter-spacing: 2px;
}
.spec-list .spec-v { font-size: 13.5px; color: var(--text-dim); line-height: 1.7; }
.spec-list .spec-v b { color: var(--warm-gold-soft); font-weight: 600; }

/* 产品演示视频（产品段内）*/
.product-video { max-width: var(--maxw); margin: 60px auto 0; }
.product-video-title {
  text-align: center; color: var(--text);
  font-size: 19px; letter-spacing: 3px; margin-bottom: 22px;
}
.product-video-title .en {
  font-family: var(--font-en); color: var(--warm-gold-soft);
  font-size: 14px; letter-spacing: 3px; margin-left: 10px; text-transform: uppercase;
}

/* 卡片标题下的英文行（双语风格）*/
.feature-body h3 .en-line,
.journey-item h3 .en-line {
  display: block; margin-top: 5px;
  font-family: var(--font-en); font-weight: 500;
  font-size: 12px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--warm-gold-soft); opacity: 0.85;
}

/* ============= 核心功能（深色卡 + App 截图）============= */
.features {
  padding: 96px 24px;
  background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg-1) 100%);
}
.features-grid {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.feature-card {
  position: relative; background: var(--card-bg);
  border: 1px solid var(--card-border); border-radius: var(--radius);
  overflow: hidden; backdrop-filter: blur(6px);
  transition: transform .35s, border-color .35s, box-shadow .35s;
}
.feature-card:hover {
  transform: translateY(-6px); border-color: var(--card-border-lit);
  box-shadow: 0 16px 40px rgba(0,0,0,0.45);
}
.feature-shot {
  width: 100%; aspect-ratio: 9/14; object-fit: cover;
  object-position: top center; border-bottom: 1px solid var(--card-border);
}
.feature-body { padding: 22px 20px 26px; }
.feature-body h3 {
  font-size: 17px; font-weight: 700; color: var(--text);
  letter-spacing: 2px; margin-bottom: 12px; padding-bottom: 12px; position: relative;
}
.feature-body h3::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 34px; height: 1.5px; background: var(--warm-gold);
}
.feature-body p { font-size: 13px; color: var(--text-dim); line-height: 1.85; }

/* ============= 视频 ============= */
.video-sec {
  padding: 96px 24px;
  background:
    radial-gradient(ellipse at 25% 40%, rgba(74,56,102,0.3) 0%, transparent 55%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 100%);
}
.video-wrap {
  max-width: 920px; margin: 0 auto; border-radius: 20px; overflow: hidden;
  border: 1px solid var(--card-border);
  box-shadow: 0 24px 70px rgba(0,0,0,0.6), 0 0 90px rgba(199,163,104,0.06);
}
.video-wrap video { width: 100%; display: block; background: #000; }

/* ============= 月光旅程 ============= */
.journey {
  padding: 96px 24px;
  background: linear-gradient(180deg, var(--bg-0) 0%, var(--bg-2) 100%);
}
.journey-grid {
  max-width: 960px; margin: 0 auto; position: relative;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
/* 连接线：穿过四个步骤圆心（padding 30 + 圆 56 的一半 ≈ 58px）*/
.journey-grid::before {
  content: ''; position: absolute; left: 8%; right: 8%; top: 58px; height: 1px; z-index: 0;
  background: linear-gradient(90deg, transparent, rgba(184,197,214,0.22) 16%, rgba(199,163,104,0.30) 50%, rgba(184,197,214,0.22) 84%, transparent);
}
.journey-item {
  position: relative; z-index: 1;
  text-align: center; padding: 30px 18px; border-radius: var(--radius);
  background: var(--card-bg); border: 1px solid var(--card-border);
  transition: transform .35s, border-color .35s;
}
.journey-item:hover { transform: translateY(-5px); border-color: var(--card-border-lit); }
.journey-step {
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--dusk-purple) 0%, var(--obsidian) 100%);
  color: var(--warm-gold-soft); font-family: var(--font-en);
  font-size: 24px; font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px; box-shadow: 0 6px 22px rgba(74,56,102,0.4);
  border: 1px solid rgba(199,163,104,0.3);
}
.journey-item h3 { font-size: 16px; color: var(--text); margin-bottom: 10px; letter-spacing: 2px; }
.journey-item p { font-size: 12.5px; color: var(--text-dim); line-height: 1.75; }

/* ============= 下载体验 ============= */
.download {
  padding: 96px 24px;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(74,56,102,0.4) 0%, transparent 55%),
    linear-gradient(180deg, var(--bg-2) 0%, var(--bg-1) 100%);
}
.download-inner { max-width: 640px; margin: 0 auto; }
.download-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 38px 32px; margin-bottom: 22px;
  backdrop-filter: blur(8px);
}
.download-version { display: flex; align-items: center; gap: 12px; margin-bottom: 26px; flex-wrap: wrap; }
.version-label { font-size: 13px; color: var(--text-dim); }
.version-number { font-size: 18px; font-weight: 700; color: var(--warm-gold-soft); letter-spacing: 1px; }
.version-date { font-size: 13px; color: var(--text-faint); margin-left: auto; }
.download-buttons { display: flex; flex-direction: column; gap: 14px; }
.download-btn {
  display: flex; align-items: center; gap: 16px;
  padding: 18px 24px; border-radius: var(--radius);
  text-decoration: none; transition: all .3s;
  border: 1px solid var(--card-border); background: var(--card-bg); color: var(--text);
}
.download-btn:hover { transform: translateY(-2px); border-color: var(--warm-gold); box-shadow: 0 8px 26px rgba(199,163,104,0.18); }
.download-btn.primary {
  background: linear-gradient(135deg, rgba(199,163,104,0.18) 0%, rgba(199,163,104,0.06) 100%);
  border-color: var(--card-border-lit);
}
.download-btn.disabled { opacity: 0.5; cursor: not-allowed; }
.download-btn.disabled:hover { transform: none; border-color: var(--card-border); box-shadow: none; }
.btn-icon { font-size: 24px; flex-shrink: 0; color: var(--warm-gold-soft); }
.btn-text { display: flex; flex-direction: column; text-align: left; }
.btn-title { font-size: 15px; font-weight: 600; color: var(--text); }
.btn-hint { font-size: 12px; color: var(--text-dim); margin-top: 3px; letter-spacing: 1px; }
.install-note {
  margin-top: 24px; padding: 14px 18px;
  background: rgba(199,163,104,0.08); border-left: 3px solid var(--warm-gold);
  border-radius: 4px; font-size: 13px; color: var(--text-dim); line-height: 1.75;
}
.contact-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.contact-cell {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 26px 18px; text-align: center;
  transition: transform .3s, border-color .3s;
}
.contact-cell:hover { transform: translateY(-3px); border-color: var(--card-border-lit); }
.contact-cell .contact-label {
  font-size: 13px; color: var(--text-dim); letter-spacing: 2px; margin-bottom: 12px;
}
.contact-link { color: var(--warm-gold-soft); text-decoration: none; border-bottom: 1px dashed rgba(199,163,104,0.4); }
.contact-link:hover { color: var(--warm-gold); }
/* 卡片内的链接：去虚线下划线，更干净（对齐参考图）*/
.contact-cell .contact-link {
  font-size: 14px; color: var(--text); border-bottom: none; letter-spacing: 0.5px;
}
.contact-cell .contact-link:hover { color: var(--warm-gold-soft); }

/* ============= Footer ============= */
.footer {
  padding: 52px 24px 40px;
  background: linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 100%);
  color: var(--text-dim); text-align: center; font-size: 13px; line-height: 1.9;
}
.footer-brand { font-size: 17px; font-weight: 600; color: var(--text); letter-spacing: 5px; margin-bottom: 6px; }
.footer-brand-en { font-family: var(--font-en); font-size: 13px; letter-spacing: 8px; color: var(--warm-gold-soft); margin-bottom: 20px; }
.footer-company { font-size: 14px; color: var(--text); letter-spacing: 1px; margin-bottom: 2px; }
.footer-company-en { font-family: var(--font-en); font-size: 12px; color: var(--text-faint); letter-spacing: 2px; margin-bottom: 4px; }
.footer-links { margin: 20px 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.footer-links a {
  color: var(--text-dim); text-decoration: none; padding: 5px 12px;
  border: 1px solid rgba(184,197,214,0.18); border-radius: 4px;
  font-size: 12px; letter-spacing: 1px; transition: all .2s;
}
.footer-links a:hover { background: rgba(199,163,104,0.12); border-color: var(--warm-gold); color: var(--warm-gold-soft); }
.footer-meta {
  margin-top: 18px; padding-top: 18px;
  border-top: 1px solid rgba(184,197,214,0.12);
  font-size: 12px; color: var(--text-faint);
}
.footer-meta a { color: var(--text-faint); text-decoration: none; border-bottom: 1px dotted rgba(184,197,214,0.3); }
.footer-meta a:hover { color: var(--warm-gold-soft); }

/* ============= 响应式 ============= */
@media (max-width: 900px) {
  .personas-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .journey-grid  { grid-template-columns: repeat(2, 1fr); }
  .journey-grid::before { display: none; }      /* 换行后连接线不再对齐，隐藏 */
  .product-inner { grid-template-columns: 1fr; gap: 32px; }
  .product-figure { max-width: 460px; margin: 0 auto; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }                  /* 移动端收起导航锚点，保留品牌 + 下载 */
  .nav-inner { padding: 11px 18px; }
  .nav-brand { font-size: 19px; }
  .hero { min-height: 92vh; padding: 60px 20px; }
  .hero-bg { background-position: center 22%; }
  .intro, .personas, .product, .features, .video-sec, .journey, .download { padding: 64px 18px; }
  .section-sub { margin-bottom: 36px; }
  .version-date { margin-left: 0; }
}
@media (max-width: 600px) {
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 460px) {
  .personas-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .features-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
}