/* ============================================================
   元冰可 · 产品首页（公共营销页）
   品牌规范 v1.0：元冰蓝 #0052D9 为主（占比 60%），冰湖青 #00A3FF/#00C8FF
   点缀高亮，微信绿 #07C160 承接「通过/在线/生长」语义，深海军蓝 #0A2A6B/#0B1A33
   铺深色底。关键色用字面量固定（品牌稳定优先）：本页不消费 --brand-* 别名，
   避免登录后五平台 data-platform 主题覆写改变首页品牌观感。
   ============================================================ */

.home {
  --hb: #0052D9;        /* 元冰蓝（品牌主色） */
  --hb-deep: #0046bd;
  --hnavy: #0A2A6B;     /* 深潭蓝（渐变起点） */
  --hink: #0B1A33;      /* 夜墨（标题/深色底） */
  --hx: #00A3FF;        /* 冰湖青（点缀/渐变中点） */
  --hc: #00C8FF;        /* 冰湖青亮（渐变终点） */
  --hg: #07C160;        /* 微信绿（辅色：在线/生长/CTA 强调） */
  --hg-deep: #06ad56;
  --hgray: #5B6B85;
  --hmute: #8A98AC;
  --hline: #E4EAF2;
  --hbg: #F5F8FC;
  min-height: 100vh;
  background: var(--hbg);
  color: var(--hink);
  scroll-behavior: smooth;
}

/* ============ 顶部导航 ============ */
.home-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; gap: 28px;
  padding: 0 max(32px, calc(50vw - 560px));
  height: 64px;
  background: rgba(10, 42, 107, 0);
  transition: background .25s ease, box-shadow .25s ease, backdrop-filter .25s ease;
}
.home-nav.scrolled {
  background: rgba(11, 26, 51, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08);
}
.home-nav-brand {
  display: flex; align-items: center; gap: 10px;
  color: #fff; text-decoration: none; margin-right: 8px;
}
.home-nav-brand img { width: 30px; height: 30px; display: block; }
.home-nav-brand .cn { font-size: 17px; font-weight: 700; letter-spacing: 2px; }
.home-nav-brand .en { font-size: 10px; letter-spacing: 2.2px; color: #9FC4FF; margin-top: 1px; }
.home-nav-links { display: flex; gap: 4px; flex: 1; }
.home-nav-links a {
  color: #BBD3FF; font-size: 13.5px; padding: 7px 14px; border-radius: 8px;
  text-decoration: none; transition: color .15s, background .15s;
}
.home-nav-links a:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.home-nav-cta { display: flex; gap: 10px; align-items: center; }
@media (max-width: 880px) { .home-nav-links { display: none; } }

/* ============ Hero ============ */
.home-hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #0A2A6B 0%, #0d3a8f 45%, #0052D9 78%, #0069dd 100%);
  color: #fff;
  padding: 132px max(32px, calc(50vw - 560px)) 96px;
  display: flex; align-items: center; gap: 48px;
  min-height: 660px;
}
.home-hero::before {  /* 网格纹理（品牌规范封面同款语汇） */
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(900px 640px at 42% 42%, #000 26%, transparent 82%);
  -webkit-mask-image: radial-gradient(900px 640px at 42% 42%, #000 26%, transparent 82%);
}
.home-hero::after {  /* 右上同心圆装饰（品牌规范封面） */
  content: ""; position: absolute; right: -140px; top: -140px;
  width: 520px; height: 520px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 0 0 130px rgba(255, 255, 255, 0.02);
  pointer-events: none;
}
.home-hero-bg { position: absolute; inset: 0; pointer-events: none; }
.home-hero-bg canvas { width: 100%; height: 100%; display: block; }
.home-hero-copy { position: relative; z-index: 2; max-width: 600px; flex: 1; }
.home-hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; letter-spacing: 3px; color: #9FC4FF;
  border: 1px solid rgba(159, 196, 255, 0.35); border-radius: 999px;
  padding: 6px 14px; margin-bottom: 26px;
  background: rgba(159, 196, 255, 0.08);
}
.home-hero-eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--hg);
  box-shadow: 0 0 8px rgba(7, 193, 96, 0.9);
  animation: home-pulse 2.2s ease-in-out infinite;
}
.home-hero h1 {
  font-size: clamp(30px, 4vw, 46px); font-weight: 700;
  line-height: 1.28; letter-spacing: 1px; margin: 0 0 18px;
}
.home-hero h1 .grad {
  background: linear-gradient(100deg, #6FD4FF 8%, #00C8FF 46%, #4EE59B 96%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.home-hero-sub {
  color: #BBD3FF; font-size: 15.5px; line-height: 1.9; margin: 0 0 30px; max-width: 540px;
}
.home-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.home-hero-hint { margin-top: 18px; font-size: 12.5px; color: #7C96C4; display: flex; gap: 8px; align-items: center; }
.home-hero-hint svg { width: 14px; height: 14px; }

/* Hero 生态树 */
.home-hero-visual { position: relative; z-index: 2; flex: none; }
.home-tree-wrap {
  position: relative; width: 460px; height: 540px; max-width: 44vw;
  border: 1px solid rgba(159, 196, 255, 0.18);
  background: linear-gradient(160deg, rgba(11, 26, 51, 0.35), rgba(10, 42, 107, 0.16));
  border-radius: 18px;
  box-shadow: 0 24px 70px rgba(3, 16, 44, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  overflow: hidden;
}
.home-tree-wrap canvas { width: 100%; height: 100%; display: block; }
.home-tree-caption {
  position: absolute; left: 14px; bottom: 12px; z-index: 2;
  font-size: 11.5px; color: #9FC4FF; letter-spacing: 1px;
  display: flex; align-items: center; gap: 7px;
}
.home-tree-caption i {
  width: 7px; height: 7px; border-radius: 50%; background: var(--hg); flex: none;
  box-shadow: 0 0 6px rgba(7, 193, 96, 0.8);
}
@media (max-width: 1060px) {
  .home-hero { flex-direction: column; align-items: flex-start; padding-top: 56px; }
  .home-tree-wrap { width: min(520px, 88vw); height: 460px; max-width: none; }
}

/* ============ 通用按钮（首页局部，不污染控制台按钮体系） ============ */
.home-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 46px; padding: 0 26px; border-radius: 10px;
  font-size: 15px; font-weight: 600; cursor: pointer; border: 1px solid transparent;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  text-decoration: none; font-family: inherit;
}
.home-btn svg { width: 17px; height: 17px; }
.home-btn-primary {
  background: linear-gradient(135deg, #0052D9 0%, #00A3FF 100%);
  color: #fff;
  box-shadow: 0 10px 26px rgba(0, 92, 225, 0.42);
}
.home-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(0, 110, 240, 0.5); }
.home-btn-green {
  background: var(--hg); color: #fff;
  box-shadow: 0 10px 26px rgba(7, 193, 96, 0.35);
}
.home-btn-green:hover { background: var(--hg-deep); transform: translateY(-2px); box-shadow: 0 14px 32px rgba(7, 193, 96, 0.42); }
.home-btn-ghost {
  background: rgba(255, 255, 255, 0.08); color: #fff;
  border-color: rgba(159, 196, 255, 0.4);
}
.home-btn-ghost:hover { background: rgba(255, 255, 255, 0.14); border-color: rgba(159, 196, 255, 0.7); transform: translateY(-2px); }
.home-btn-light {
  background: #fff; color: var(--hb); border-color: var(--hline);
  box-shadow: var(--shadow, 0 4px 16px rgba(16, 19, 29, 0.08));
}
.home-btn-light:hover { color: var(--hb-deep); border-color: #b6d7ff; transform: translateY(-2px); }

/* ============ 数据条 ============ */
.home-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
  max-width: 1120px; margin: -44px auto 0; padding: 0 32px;
  position: relative; z-index: 3;
}
.home-stat {
  background: #fff; border: 1px solid var(--hline); border-radius: 14px;
  padding: 22px 24px;
  box-shadow: 0 14px 40px rgba(10, 42, 107, 0.10);
}
.home-stat-num {
  font-size: 34px; font-weight: 700; line-height: 1; letter-spacing: 0.5px;
  color: var(--hink);
  font-variant-numeric: tabular-nums;
}
.home-stat-num .unit { font-size: 15px; font-weight: 600; color: var(--hgray); margin-left: 3px; }
.home-stat-lab { margin-top: 9px; font-size: 13px; color: var(--hgray); }
.home-stat .bar {
  width: 26px; height: 3px; border-radius: 2px; margin-top: 14px;
  background: linear-gradient(90deg, var(--hb), var(--hx));
}
.home-stat:nth-child(even) .bar { background: linear-gradient(90deg, var(--hg), #4EE59B); }
@media (max-width: 880px) { .home-stats { grid-template-columns: repeat(2, 1fr); margin-top: -30px; } }

/* ============ 章节通用 ============ */
.home-section { max-width: 1120px; margin: 0 auto; padding: 88px 32px 0; scroll-margin-top: 76px; }
.home-sec-head { margin-bottom: 36px; }
.home-sec-kicker {
  font-size: 12.5px; font-weight: 600; letter-spacing: 3px; color: var(--hb);
  display: flex; align-items: center; gap: 10px; margin-bottom: 14px;
}
.home-sec-kicker::before { content: ""; width: 22px; height: 2px; background: linear-gradient(90deg, var(--hb), var(--hx)); border-radius: 1px; }
.home-sec-head h2 { font-size: 30px; font-weight: 700; letter-spacing: 1px; margin: 0 0 12px; }
.home-sec-head p { color: var(--hgray); font-size: 15px; line-height: 1.85; max-width: 680px; margin: 0; }

/* 滚动显现 */
.home-reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; transition-delay: var(--d, 0s); }
.home-reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .home-reveal { opacity: 1; transform: none; transition: none; }
  .home-hero-eyebrow .dot { animation: none; }
}

/* ============ 能力矩阵 ============ */
.home-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 1020px) { .home-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 780px) { .home-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .home-grid { grid-template-columns: 1fr; } }
.home-card {
  background: #fff; border: 1px solid var(--hline); border-radius: 14px;
  padding: 20px 20px 22px; position: relative; overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.home-card::before {  /* 顶部品牌渐变细条，悬停展开 */
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 0;
  background: linear-gradient(90deg, var(--hb), var(--hx));
  transition: width .3s ease;
}
.home-card:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(10, 42, 107, 0.12); border-color: #cfe0f8; }
.home-card:hover::before { width: 100%; }
.home-card-ic {
  width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center; margin-bottom: 13px;
  background: linear-gradient(135deg, #eef6ff, #dcecff);
  border: 1px solid #d6e6ff; color: var(--hb);
}
.home-card-ic svg { width: 18px; height: 18px; }
.home-card.green .home-card-ic {
  background: linear-gradient(135deg, #e7f8ee, #d2f3dd); border-color: #c9edd7; color: #06794533;
  color: #06ad56;
}
.home-card-title { font-size: 15px; font-weight: 600; margin-bottom: 6px; color: var(--hink); }
.home-card-desc { font-size: 12.5px; color: var(--hgray); line-height: 1.75; }

/* ============ 架构理念 ============ */
.home-arch {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 44px; align-items: center;
  background: linear-gradient(135deg, #0B1A33 0%, #0A2A6B 70%, #0d3a8f 100%);
  border-radius: 20px; color: #fff;
  padding: 52px 52px; position: relative; overflow: hidden;
}
.home-arch::after {
  content: ""; position: absolute; left: -120px; bottom: -180px;
  width: 420px; height: 420px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.08); pointer-events: none;
}
.home-points { display: flex; flex-direction: column; gap: 26px; position: relative; z-index: 1; }
.home-point { display: flex; gap: 16px; }
.home-point-ic {
  width: 42px; height: 42px; border-radius: 11px; flex: none;
  display: grid; place-items: center;
  background: rgba(0, 163, 255, 0.14); border: 1px solid rgba(0, 163, 255, 0.35); color: #6FD4FF;
}
.home-point:nth-child(2) .home-point-ic { background: rgba(7, 193, 96, 0.12); border-color: rgba(7, 193, 96, 0.38); color: #4EE59B; }
.home-point:nth-child(3) .home-point-ic { background: rgba(0, 200, 255, 0.10); border-color: rgba(0, 200, 255, 0.32); color: #00C8FF; }
.home-point-ic svg { width: 19px; height: 19px; }
.home-point b { display: block; font-size: 16px; font-weight: 600; margin-bottom: 5px; letter-spacing: 0.5px; }
.home-point span { font-size: 13px; color: #BBD3FF; line-height: 1.8; }
.home-topo {
  position: relative; z-index: 1;
  background: rgba(6, 18, 43, 0.5); border: 1px solid rgba(159, 196, 255, 0.16);
  border-radius: 16px; padding: 18px;
}
.home-topo-cap { font-size: 11.5px; color: #9FC4FF; letter-spacing: 1px; margin-top: 10px; text-align: center; }
@media (max-width: 980px) { .home-arch { grid-template-columns: 1fr; padding: 36px 28px; } }

/* 拓扑连线流动动画 */
.home-topo .flow { stroke-dasharray: 5 7; animation: home-dash 1.1s linear infinite; }
@keyframes home-dash { to { stroke-dashoffset: -12; } }

/* ============ 快速开始（CTA） ============ */
.home-cta-band { text-align: center; }
.home-steps {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; text-align: left; margin-bottom: 40px;
}
@media (max-width: 780px) { .home-steps { grid-template-columns: 1fr; } }
.home-step {
  background: #fff; border: 1px solid var(--hline); border-radius: 14px; padding: 22px;
  position: relative;
}
.home-step-no {
  width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--hb), var(--hx)); color: #fff;
  font-size: 14px; font-weight: 700; margin-bottom: 13px;
}
.home-step:nth-child(3) .home-step-no { background: linear-gradient(135deg, var(--hg), #06ad56); }
.home-step b { display: block; font-size: 15px; margin-bottom: 6px; }
.home-step span { font-size: 12.5px; color: var(--hgray); line-height: 1.75; }
.home-cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.home-cta-note { margin-top: 16px; font-size: 12.5px; color: var(--hmute); }

/* ============ 页脚 ============ */
.home-footer {
  margin-top: 96px;
  background: var(--hink); color: #BBD3FF;
  padding: 44px max(32px, calc(50vw - 560px)) 36px;
}
.home-footer-inner {
  max-width: 1120px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: flex-start; gap: 32px; flex-wrap: wrap;
}
.home-footer-brand { display: flex; align-items: center; gap: 14px; color: #fff; }
.home-footer-brand img { width: 40px; height: 40px; }
.home-footer-brand .cn { font-size: 20px; font-weight: 700; letter-spacing: 2px; }
.home-footer-brand .en { font-size: 10.5px; letter-spacing: 2.6px; color: #7C96C4; margin-top: 3px; }
.home-footer-brand .tag { font-size: 12px; color: #8FA9D6; margin-top: 6px; }
.home-footer-links { display: flex; gap: 26px; }
.home-footer-links a { color: #BBD3FF; font-size: 13px; text-decoration: none; }
.home-footer-links a:hover { color: #fff; }
.home-footer-meta {
  max-width: 1120px; margin: 26px auto 0;
  border-top: 1px solid rgba(159, 196, 255, 0.14); padding-top: 20px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 12.5px; color: #7C96C4;
}
.home-footer-meta .grow-dot { display: inline-flex; align-items: center; gap: 7px; }
.home-footer-meta .grow-dot i { width: 6px; height: 6px; border-radius: 50%; background: var(--hg); box-shadow: 0 0 6px rgba(7, 193, 96, 0.8); }

/* ============ 动画 ============ */
@keyframes home-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.82); }
}

/* ============================================================
   移动端补充适配（2026-10-14）
   ≤880px：导航锚点收进汉堡下拉（替代原先 display:none 无替代方案）；
   ≤520px：手机档边距/字号收敛，隐藏次要 CTA 保持单行不换行。
   ============================================================ */
.home-nav-toggle {
  display: none;
  width: 38px; height: 38px; border-radius: 9px; flex: none;
  border: 1px solid rgba(159, 196, 255, 0.35);
  background: rgba(255, 255, 255, 0.06); color: #fff;
  align-items: center; justify-content: center; cursor: pointer;
  transition: background .15s ease;
}
.home-nav-toggle:hover { background: rgba(255, 255, 255, 0.14); }
@media (max-width: 880px) {
  .home-nav { gap: 12px; }
  .home-nav-cta { margin-left: auto; gap: 8px; }
  .home-nav-toggle { display: inline-flex; }
  /* 展开态：锚点菜单以导航条为锚的全宽下拉玻璃面板 */
  .home-nav.open .home-nav-links {
    display: flex; flex-direction: column; gap: 2px;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(11, 26, 51, 0.96);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    padding: 10px 16px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 18px 40px rgba(3, 16, 44, 0.45);
  }
  .home-nav.open .home-nav-links a { padding: 12px; font-size: 14.5px; }
}
@media (max-width: 520px) {
  .home-nav { padding: 0 16px; }
  .home-hero { padding: 104px 18px 60px; min-height: 0; gap: 32px; }
  .home-hero-actions .home-btn { flex: 1; min-width: 150px; }
  .home-tree-wrap { width: 100%; }
  .home-stats { padding: 0 18px; gap: 12px; }
  .home-stat { padding: 16px 16px 14px; }
  .home-stat-num { font-size: 26px; }
  .home-section { padding: 60px 18px 0; }
  .home-sec-head h2 { font-size: 24px; }
  .home-arch { padding: 28px 18px; }
  .home-footer { padding: 40px 18px 30px; }
  .home-footer-links { flex-wrap: wrap; gap: 14px 18px; }
  .home-nav-cta .home-btn-ghost { display: none; }
}