/* ============================================================
   昆仑星图 KLAI 官网样式 v3.1.0 —— 黑金主题（公共站）
   底色 #06080D / 卡面 #0e1219 / 香槟金 #C9A962 / 信任蓝降级为辅助色
   管理后台为独立浅色样式（见 src/views/admin.js），不受本文件影响
   ============================================================ */
:root {
    --color-primary: #C9A962;          /* 香槟金：主强调色 */
    --color-primary-dark: #a8853f;
    --color-primary-light: #e8d5a4;
    --color-accent: #7fb0f9;           /* 信任蓝（辅助） */
    --color-accent-light: rgba(59, 130, 246, .13);
    --color-bg: #06080D;
    --color-bg-card: #0e1219;
    --color-text: #e8ebf1;
    --color-text-light: #a7b0bf;
    --color-text-muted: #6b7686;
    --color-border: #222b3a;
    --color-footer: #0a0d14;
    --color-footer-text: #a7b0bf;
    --color-success: #34d399;
    --color-warning: #f59e0b;
    --color-danger: #f87171;
    --gold-dim: rgba(201, 169, 98, .14);
    --gold-line: rgba(201, 169, 98, .4);
    --font-main: 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', sans-serif;
    --shadow-sm: 0 2px 6px rgba(0,0,0,.4);
    --shadow-md: 0 8px 24px rgba(0,0,0,.45);
    --shadow-lg: 0 14px 40px rgba(0,0,0,.55);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
a { text-decoration: none; color: var(--color-accent); transition: var(--transition); }
a:hover { color: var(--color-primary-light); }
img { max-width: 100%; height: auto; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---- 顶部公告横幅 ---- */
.site-banner { padding: 10px 24px; text-align: center; font-size: .92rem; }
.site-banner.info { background: linear-gradient(90deg, #0f2b4d, #1d4a7a); color: #cfe6ff; }
.site-banner.warning { background: linear-gradient(90deg, #7a3d00, #a05a10); color: #ffe2c2; }
.site-banner.gold { background: linear-gradient(90deg, #5f4a1c, #8a6d2f); color: #f5e8c8; border-top: 1px solid rgba(201,169,98,.6); border-bottom: 1px solid rgba(201,169,98,.6); }
.site-banner a { color: #fff; text-decoration: underline; }

header {
    background: linear-gradient(135deg, #0a0f1e 0%, #0e1730 60%, #12204a 100%);
    color: #fff;
    padding: 1.5rem 0;          /* v3.4.4: 2.8rem→1.5rem,压缩顶栏与Hero间隙 */
    text-align: center;
    border-bottom: 1px solid var(--gold-line);
}
.logo-area { display: flex; align-items: center; justify-content: center; gap: 22px; margin-bottom: .6rem; }
.logo-icon { font-size: 2.4rem; color: var(--color-primary); }
.logo-text { font-size: 2.4rem; font-weight: 700; letter-spacing: 2px; }
/* 企业 logo 铭牌（头部 64px / 导航 26px），保留自带深底+圆角金边，确保完整显示 */
.logo-img {
    height: 44px; width: auto; display: block;
    border-radius: 10px;
    border: 1px solid var(--gold-line);
    background: #0b0f18;
    box-shadow: 0 4px 18px rgba(0,0,0,.5);
}
.logo-cn {
    font-size: 2.8rem; font-weight: 800; letter-spacing: 8px; line-height: 1;
    background: linear-gradient(100deg, #C9A962 10%, #e8d5a4 55%, #C9A962 90%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    text-shadow: 0 0 30px rgba(201,169,98,.25);
}
.nav-logo {
    height: 26px; width: auto; display: block; margin: .7rem 0;
    border-radius: 6px; border: 1px solid rgba(201,169,98,.25); background: #0b0f18;
}
.tagline { font-size: .92rem; opacity: .88; font-weight: 300; max-width: 680px; margin: 0 auto; line-height: 1.6; color: #c6cdd9; }

nav {
    background: rgba(10, 13, 20, .92);
    border-bottom: 1px solid var(--color-border);
    position: sticky; top: 0; z-index: 1000;
    backdrop-filter: blur(6px);
}
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.nav-brand { display: none; }   /* v3.4.3:顶栏已有品牌区,导航栏logo隐藏 */
.nav-links { display: flex; list-style: none; align-items: center; gap: 0; }
.nav-links li { position: relative; }
.nav-links a {
    display: flex; align-items: center; gap: 6px;
    color: var(--color-text-light); font-weight: 600; font-size: 1.02rem; padding: .95rem 1.25rem;
    position: relative; cursor: pointer; transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--color-primary); }
.nav-links a.active::after {
    content: ''; position: absolute; bottom: 0; left: 1.2rem; right: 1.2rem;
    height: 3px; background: var(--color-primary); border-radius: 3px 3px 0 0;
}
.dropdown { position: relative; }
.dropdown-menu {
    display: none; position: absolute; top: 100%; left: 0;
    background: var(--color-bg-card); box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm); min-width: 240px; z-index: 1001; padding: 6px 0;
}
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu a { padding: 10px 20px; display: block; color: var(--color-text-light); white-space: nowrap; }
.dropdown-menu a:hover { background: var(--gold-dim); color: var(--color-primary); }
.dropdown-menu a::after { display: none !important; }
.mobile-toggle { display: none; font-size: 1.5rem; cursor: pointer; color: var(--color-text-light); padding: .5rem; }

.page-section { display: none; animation: fadeIn .4s ease; }
.page-section.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.main-content { flex: 1; padding: 0; }

.section-header { text-align: center; margin-bottom: 3rem; }
.section-header h2 { font-size: 2rem; color: #fff; margin-bottom: .6rem; letter-spacing: 1px; }
.section-header .subtitle { color: var(--color-text-light); font-size: 1.05rem; }
.section-header .divider { width: 64px; height: 4px; background: linear-gradient(90deg, var(--color-primary), rgba(201,169,98,.15)); margin: 1rem auto 0; border-radius: 2px; }

.card {
    background: var(--color-bg-card); border-radius: var(--radius-md); padding: 2rem;
    box-shadow: var(--shadow-md); border: 1px solid var(--color-border); transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); border-color: #2c3648; }
.card-icon {
    width: 56px; height: 56px; border-radius: var(--radius-sm);
    background: var(--color-accent-light); color: var(--color-accent);
    border: 1px solid rgba(59,130,246,.25);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem; margin-bottom: 1.2rem;
}
.card-icon.gold { background: var(--gold-dim); color: var(--color-primary); border: 1px solid var(--gold-line); }
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 28px; border-radius: var(--radius-sm);
    font-weight: 600; font-size: .95rem; cursor: pointer;
    transition: var(--transition); border: none;
}
.btn-primary { background: linear-gradient(100deg, var(--color-primary), #b8944a); color: #0a0d16; }
.btn-primary:hover { filter: brightness(1.1); color: #0a0d16; }
.btn-outline { background: transparent; color: var(--color-primary); border: 1px solid var(--gold-line); }
.btn-outline:hover { background: var(--gold-dim); color: var(--color-primary-light); }
.btn-light { background: rgba(201,169,98,.16); color: var(--color-primary-light); border: 1px solid var(--gold-line); }
.btn-light:hover { background: rgba(201,169,98,.28); color: #fff; }
/* 点击反馈：所有可点元素按压态 */
.btn:active { transform: translateY(1px) scale(.97); filter: brightness(.9); }
.nav-links a:active { transform: scale(.97); }
.checks span:active, .sp-chip:active, .home-tab:active { transform: scale(.95); filter: brightness(.9); }
.news-card:active, .sol-card:active { transform: scale(.985); }
.footer-links a:active { color: var(--color-primary); }

/* ---- Hero ---- */
.hero {
    background: linear-gradient(135deg, #0a0f1e 0%, #0e1730 55%, #12204a 100%);
    border: 1px solid var(--gold-line);
    border-radius: var(--radius-lg); padding: 4rem 3rem; text-align: center; margin-bottom: 3rem;
    box-shadow: var(--shadow-md);
}
.hero h1 { font-size: 2.6rem; color: #fff; margin-bottom: 1.2rem; line-height: 1.3; letter-spacing: 1px; }
.hero h1 span {
    background: linear-gradient(100deg, var(--color-primary) 10%, var(--color-primary-light) 90%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero p { font-size: 1.15rem; color: #c6cdd9; max-width: 720px; margin: 0 auto 2rem; }
.hero-stats { display: flex; justify-content: center; gap: 3rem; margin-top: 2.5rem; flex-wrap: wrap; }
.hero-stat { text-align: center; }
.hero-stat .num { font-size: 2.2rem; font-weight: 700; color: var(--color-primary); }
.hero-stat .label { font-size: .9rem; color: var(--color-text-light); margin-top: .3rem; }

/* ---- Hero v3.4.0: 左右分栏 + 真3D地球 ---- */
.hero-v340 {
    /* 通栏满宽:突破 .container 1200px 限制,与页面背景融为一体 */
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    grid-template-areas: "copy globe" "stats stats";
    column-gap: 2rem;
    align-items: center;
    text-align: left;
    padding: 1.6rem max(3rem, calc((100vw - 1280px) / 2)) 2.2rem;
    border: none;                          /* 去掉金色描边卡片,与背景融合 */
    border-radius: 0;
    box-shadow: none;
    margin-bottom: 0;
    background:
        radial-gradient(1100px 700px at 72% 42%, rgba(24,48,84,.45) 0%, rgba(16,33,60,.22) 48%, transparent 72%),
        linear-gradient(180deg, #0b1122 0%, #0a0f1e 60%, #0c1226 100%);
    border-bottom: 1px solid rgba(201,169,98,.18);   /* 仅以一条极淡金线收底,衔接下方内容 */
}
.hero-v340 .hero-copy { grid-area: copy; }
.hero-v340 .hero-globe { grid-area: globe; }
.hero-v340 .hero-stats {
    grid-area: stats;
    max-width: 1280px;
    margin: 2.6rem auto 0;
    width: 100%;
    justify-content: space-between;
    padding-top: 2rem;
    border-top: 1px solid rgba(201,169,98,.18);
}
.hero-v340 .hero-kicker {
    display: flex; align-items: center; gap: 10px;
    color: var(--color-primary); font-size: .8rem; letter-spacing: 3px;
    font-weight: 600; margin-bottom: 1.3rem;
}
.hero-v340 .hero-kicker::before { content: ''; width: 32px; height: 2px; background: var(--color-primary); }
.hero-v340 h1 { font-size: 2.9rem; margin-bottom: 1.3rem; }
.hero-v340 .hero-lead { font-size: 1.1rem; color: #e8ebf1; font-weight: 600; margin-bottom: .9rem; }
.hero-v340 .hero-body { font-size: .98rem; line-height: 1.85; max-width: 520px; margin-bottom: 1.3rem; }
.hero-v340 .hero-slogan {
    font-size: 1.12rem; font-weight: 700; color: var(--color-primary);
    letter-spacing: .5px; margin-bottom: 2rem;
}
.hero-v340 .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 1.2rem; }
.hero-v340 .hero-tags { font-size: .82rem; color: var(--color-text-muted); }
.hero-v340 .hero-tags i { color: var(--color-primary); margin: 0 4px; font-style: normal; }
.hero-globe { position: relative; min-height: 620px; max-height: 68vh; }  /* 1080p 下完整入画,防被统计条裁切 */
.hero-globe #globeCanvas { top: 0; bottom: 40px; }        /* 底部给地区文字条留位 */
.globe-regions {
    position: absolute; left: 0; right: 0; bottom: 0;
    display: flex; justify-content: center; gap: 2.2rem;
    font-size: .8rem; color: #6b7686; letter-spacing: 2px;
    padding-bottom: .2rem;
}
.hero-globe #globeCanvas {
    position: absolute; inset: 0; width: 100%; height: 100%;
    display: block; border: none; outline: none; background: transparent;
    cursor: grab; touch-action: pan-y;   /* 纵向滚动不被球体吞掉 */
}
.hero-globe #globeCanvas:active { cursor: grabbing; }
.globe-fallback {
    position: absolute; inset: 8%; display: none;
    border-radius: 50%;
    background: url('/public/earth-texture.jpg') center/cover no-repeat;
    box-shadow: 0 0 80px rgba(74,142,224,.3);
}

.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-bottom: 3rem; }
.capability-grid .card { text-align: center; padding: 2rem 1.5rem; }
.capability-grid .card-icon { margin: 0 auto 1rem; }
.capability-grid h3 { font-size: 1.15rem; color: #fff; margin-bottom: .6rem; }
.capability-grid p { color: var(--color-text-light); font-size: .95rem; }

/* ---- 愿景（黑金主标语） ---- */
.about-vision {
    background: linear-gradient(135deg, #0a0f1e 0%, #0e1730 55%, #12204a 100%);
    color: #fff; border-radius: var(--radius-lg); padding: 3.5rem 3rem; margin-bottom: 3rem; text-align: center;
    border: 1px solid var(--gold-line); border-top: 3px solid var(--color-primary);
    box-shadow: var(--shadow-md);
}
.about-vision .vision-tagline {
    font-size: 2.2rem; font-weight: 800; letter-spacing: 4px; margin-bottom: .9rem; line-height: 1.4;
    background: linear-gradient(100deg, #fff 15%, var(--color-primary) 55%, var(--color-primary-light) 90%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.about-vision .vision-lead { font-size: 1.12rem; color: var(--color-primary-light); margin-bottom: 1.4rem; }
.about-vision p { font-size: 1rem; color: #c6cdd9; max-width: 780px; margin: 0 auto; line-height: 1.9; }

/* ---- 价值/方案/洞察等网格 ---- */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-bottom: 3rem; }
.value-grid .card { text-align: center; padding: 2rem 1.3rem; }
.value-grid .card-icon { margin: 0 auto 1rem; }
.value-grid h3 { font-size: 1.05rem; margin-bottom: .6rem; color: #fff; }
.value-grid p { color: var(--color-text-light); font-size: .9rem; }

.v2-strip {
    background: linear-gradient(135deg, #0a0d16 0%, #0d1220 60%, #101a33 100%);
    color: #fff; border-radius: var(--radius-lg); padding: 2.2rem 3rem;
    text-align: center; margin-bottom: 3rem;
    border: 1px solid var(--gold-line); box-shadow: var(--shadow-md);
}
.v2-strip h3 { font-size: 1.25rem; margin-bottom: .7rem; color: var(--color-primary); }
.v2-strip p { opacity: .92; max-width: 760px; margin: 0 auto; font-size: .98rem; color: #c6cdd9; }

.service-tier { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin-bottom: 2.5rem; }
.tier-card {
    background: var(--color-bg-card); border-radius: var(--radius-md); padding: 2rem;
    box-shadow: var(--shadow-md); border: 1px solid var(--color-border); border-top: 4px solid var(--color-primary);
}
.tier-card.sme { border-top-color: var(--color-accent); }
.tier-card h3 { font-size: 1.3rem; margin-bottom: .8rem; color: #fff; }
.tier-card .badge {
    display: inline-block; background: var(--gold-dim); color: var(--color-primary);
    border: 1px solid var(--gold-line);
    padding: 4px 12px; border-radius: 20px; font-size: .85rem; font-weight: 600; margin-bottom: 1rem;
}
.tier-card.sme .badge { background: var(--color-accent-light); color: var(--color-accent); border-color: rgba(59,130,246,.3); }
.tier-card ul { list-style: none; padding: 0; }
.tier-card ul li { padding: .5rem 0; color: var(--color-text-light); display: flex; align-items: flex-start; gap: 10px; }
.tier-card ul li i { color: var(--color-primary); margin-top: 3px; }
.tier-card.sme ul li i { color: var(--color-accent); }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-bottom: 2.5rem; }
.product-card {
    background: var(--color-bg-card); border-radius: var(--radius-md); padding: 2rem;
    box-shadow: var(--shadow-md); border: 1px solid var(--color-border);
    transition: var(--transition); display: flex; flex-direction: column;
}
.product-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.product-card.highlight { border: 1px solid var(--gold-line); position: relative; }
.product-card.highlight::before {
    content: '推荐'; position: absolute; top: -1px; right: 20px;
    background: var(--color-primary); color: #0a0d16;
    padding: 4px 14px; border-radius: 0 0 6px 6px; font-size: .8rem; font-weight: 600;
}
.product-card .product-icon {
    width: 56px; height: 56px; border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem; margin-bottom: 1.2rem;
    background: var(--color-accent-light); color: var(--color-accent);
    border: 1px solid rgba(59,130,246,.25);
}
.product-card h3 { font-size: 1.15rem; color: #fff; margin-bottom: .6rem; }
.product-card p { color: var(--color-text-light); font-size: .93rem; flex: 1; margin-bottom: 1.2rem; }
.product-card .product-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.product-card .product-tags span { background: var(--gold-dim); color: var(--color-primary); padding: 3px 10px; border-radius: 20px; font-size: .8rem; border: 1px solid rgba(201,169,98,.25); }

/* ---- 演示视频 ---- */
.demo-video-wrap { margin-bottom: 3rem; }
.demo-video-wrap video {
    width: 100%; display: block; background: #000;
    border-radius: var(--radius-lg); border: 1px solid var(--gold-line);
    box-shadow: var(--shadow-md);
}
.demo-intro { color: var(--color-text-light); font-size: .92rem; text-align: center; margin: -1.6rem 0 1.4rem; }

/* ---- 团队 / 专家 ---- */
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; margin-bottom: 2.5rem; }
.team-card { text-align: center; }
.team-avatar {
    width: 76px; height: 76px; border-radius: 50%;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, #12204a, #0e1730);
    border: 2px solid var(--gold-line);
    color: var(--color-primary); font-size: 1.9rem; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}
.team-avatar i { font-size: 1.8rem; }
.team-card h3 { font-size: 1.15rem; margin-bottom: .5rem; color: #fff; }
.team-role {
    display: inline-block; background: var(--gold-dim); color: var(--color-primary);
    border: 1px solid rgba(201,169,98,.3);
    padding: 3px 12px; border-radius: 20px; font-size: .82rem; font-weight: 600;
    margin-bottom: .6rem;
}
.team-desc { color: var(--color-text-light); font-size: .9rem; margin-bottom: .8rem; }
.team-email { font-size: .88rem; }
.expert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; margin-bottom: 2.5rem; }
.expert-card { text-align: center; }
.expert-card h3 { font-size: 1.15rem; margin-bottom: .4rem; color: #fff; }
.expert-card p { color: var(--color-text-light); font-size: .95rem; }
.subgroup-title { font-size: 1.05rem; color: var(--color-primary); margin: 1.8rem 0 1rem; padding-left: 10px; border-left: 3px solid var(--color-primary); }

/* ---- 动态 / 洞察 ---- */
.news-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; margin-bottom: 2.5rem; }
.news-card { display: flex; flex-direction: column; cursor: pointer; }
.news-meta { display: flex; align-items: center; gap: 10px; margin-bottom: .8rem; flex-wrap: wrap; }
.news-date { font-size: .85rem; color: var(--color-text-muted); }
.news-card h3 { font-size: 1.1rem; margin-bottom: .5rem; color: #fff; }
.news-card .news-summary { color: var(--color-text-light); font-size: .93rem; flex: 1; margin-bottom: 1rem; }
.news-card .news-more { font-size: .88rem; font-weight: 600; color: var(--color-primary); }
.news-empty {
    grid-column: 1 / -1; text-align: center; color: var(--color-text-muted);
    padding: 3rem; background: var(--color-bg-card); border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
}
.home-tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 1.5rem; }
.home-tab {
    padding: 9px 26px; border: 1px solid var(--color-border); border-radius: 20px;
    background: var(--color-bg-card); color: var(--color-text-light); font-weight: 600; cursor: pointer;
    transition: var(--transition); font-size: .95rem; font-family: inherit;
}
.home-tab.active { background: var(--gold-dim); color: var(--color-primary); border-color: var(--gold-line); }
.home-tab-panel { display: none; }
.home-tab-panel.active { display: block; }

.status-badge { display: inline-block; padding: 4px 14px; border-radius: 20px; font-size: .85rem; font-weight: 600; }
.status-badge.cat { background: var(--color-accent-light); color: var(--color-accent); border: 1px solid rgba(59,130,246,.3); }
.status-badge.pinned { background: var(--gold-dim); color: var(--color-primary); border: 1px solid var(--gold-line); }

/* ---- 方案页 chips ---- */
.sp-chips { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 2rem; }
.sp-chip {
    background: var(--color-bg-card); color: var(--color-text-light); padding: 6px 18px; border-radius: 18px;
    font-size: .88rem; font-weight: 600; cursor: pointer; transition: var(--transition);
    border: 1px solid var(--color-border);
}
.sp-chip.on, .sp-chip:hover { background: var(--gold-dim); color: var(--color-primary); border-color: var(--gold-line); }
.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.sol-card { cursor: pointer; position: relative; }
.sol-tags { display: flex; flex-wrap: wrap; gap: 5px; margin: .5rem 0; }
.sol-tags span { background: var(--color-bg-card); color: var(--color-text-light); border: 1px solid var(--color-border); padding: 2px 9px; border-radius: 12px; font-size: .74rem; }

/* ---- 白皮书 ---- */
.wp-card { display: flex; gap: 1.2rem; align-items: center; flex-wrap: wrap; border: 1px solid var(--gold-line); }
.wp-cover {
    width: 64px; height: 84px; border-radius: 6px; flex-shrink: 0;
    background: linear-gradient(135deg, var(--color-primary), #8a6d2f);
    color: #0a0d16; display: flex; align-items: center; justify-content: center;
    font-size: .7rem; text-align: center; line-height: 1.5; font-weight: 700;
}
.wp-info { flex: 1; min-width: 200px; }
.wp-card h3 { font-size: 1.05rem; margin-bottom: .4rem; color: #fff; }
.wp-card p { color: var(--color-text-light); font-size: .88rem; }
.row2-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 3rem; align-items: stretch; }

/* ---- 专利 ---- */
.patent-strip {
    background: var(--color-bg-card); border: 1px solid var(--gold-line); border-radius: var(--radius-md);
    padding: 1.8rem 2rem; display: flex; align-items: center; gap: 1.8rem; flex-wrap: wrap;
}
.patent-count { text-align: center; }
.patent-count span { display: block; font-size: 2rem; font-weight: 700; color: var(--color-primary); }
.patent-list { list-style: none; flex: 1; min-width: 240px; }
.patent-list li { padding: .3rem 0; color: var(--color-text-light); font-size: .92rem; display: flex; align-items: center; gap: 8px; }
.patent-list li i { color: var(--color-primary); }
.pat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.pat-card { text-align: center; padding: 1.5rem 1rem; }
.pat-card h4 { font-size: .95rem; margin-bottom: .3rem; color: #fff; }
.pat-card .li-meta { font-size: .78rem; color: var(--color-text-muted); }
.pat-st { display: inline-block; margin-top: .6rem; padding: 3px 12px; border-radius: 12px; font-size: .74rem; font-weight: 600; }
.pat-st.granted { background: rgba(52,211,153,.14); color: var(--color-success); }
.pat-st.pending { background: var(--gold-dim); color: var(--color-primary); }
.pat-st.applied { background: rgba(107,118,134,.16); color: var(--color-text-muted); }

/* ---- 平台状态 ---- */
.platform-status { display: inline-flex; align-items: center; gap: 6px; font-size: .82rem; font-weight: 600; padding: 3px 10px; border-radius: 20px; margin-top: .4rem; }
.platform-status.online { background: rgba(52,211,153,.14); color: var(--color-success); }
.platform-status.upgrading { background: var(--gold-dim); color: var(--color-primary); }
.platform-status.dev { background: rgba(107,118,134,.16); color: var(--color-text-muted); }
.platform-status .dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; }

/* ---- 联系 ---- */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: start; }
.contact-info { background: var(--color-bg-card); border-radius: var(--radius-md); padding: 2.5rem; box-shadow: var(--shadow-md); border: 1px solid var(--color-border); }
.contact-info h3 { font-size: 1.3rem; color: #fff; margin-bottom: 1.5rem; }
.contact-item { display: flex; align-items: flex-start; gap: 14px; padding: 1rem 0; border-bottom: 1px solid var(--color-border); }
.contact-item:last-child { border-bottom: none; }
.contact-item .contact-icon {
    width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
    background: var(--gold-dim); color: var(--color-primary); border: 1px solid var(--gold-line);
    display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
}
.contact-item .contact-detail h4 { font-size: .95rem; color: #fff; margin-bottom: .2rem; }
.contact-item .contact-detail a { font-size: .9rem; color: var(--color-accent); }
.contact-inquiry {
    background: linear-gradient(135deg, #0a0f1e 0%, #0e1730 60%, #12204a 100%);
    border: 1px solid var(--gold-line);
    border-radius: var(--radius-md); padding: 2.5rem; color: #fff;
    display: flex; flex-direction: column; justify-content: center;
}
.contact-inquiry h3 { font-size: 1.5rem; margin-bottom: 1rem; }
.contact-inquiry p { opacity: .9; margin-bottom: 1.5rem; color: #c6cdd9; }

/* ---- CTA 收尾 ---- */
.cta-strip {
    background: linear-gradient(135deg, #0a0d16, #101a33);
    border: 1px solid var(--gold-line);
    border-radius: var(--radius-lg); padding: 2.5rem 3rem; color: #fff;
    display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; flex-wrap: wrap; margin-top: 1rem;
}
.cta-strip h3 { font-size: 1.25rem; }

/* ---- 页脚 ---- */
footer { background: var(--color-footer); color: var(--color-footer-text); padding: 3rem 0 1.5rem; margin-top: auto; border-top: 1px solid var(--color-border); }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
.footer-section h4 { color: #fff; font-size: 1.1rem; margin-bottom: 1.2rem; }
.footer-section p { color: var(--color-text-light); font-size: .93rem; line-height: 1.8; }
.footer-links { list-style: none; padding: 0; }
.footer-links li { margin-bottom: .6rem; }
.footer-links a { color: var(--color-text-light); font-size: .93rem; cursor: pointer; transition: var(--transition); }
.footer-links a:hover { color: var(--color-primary); padding-left: 4px; }
.copyright { text-align: center; padding-top: 1.5rem; border-top: 1px solid var(--color-border); color: var(--color-text-muted); font-size: .9rem; line-height: 1.8; }
.copyright .beian { color: var(--color-text-muted); }

/* ---- 弹窗 ---- */
.modal-overlay {
    display: none; position: fixed; z-index: 2000; left: 0; top: 0;
    width: 100%; height: 100%; background: rgba(0,0,0,.7);
    align-items: center; justify-content: center;
}
.modal-overlay.show { display: flex; }
.modal-dialog {
    background: var(--color-bg-card); border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    max-width: 700px; width: 92%; max-height: 80vh; overflow-y: auto;
    box-shadow: var(--shadow-lg); position: relative; animation: modalIn .3s ease;
}
@keyframes modalIn { from { opacity: 0; transform: translateY(-20px) scale(.97); } to { opacity: 1; transform: translateY(0) scale(1); } }
.modal-dialog .modal-header {
    position: sticky; top: 0; background: var(--color-bg-card);
    padding: 1.5rem 2rem; border-bottom: 1px solid var(--color-border);
    display: flex; justify-content: space-between; align-items: center; z-index: 1;
}
.modal-dialog .modal-header h3 { font-size: 1.3rem; color: var(--color-primary); }
.modal-dialog .modal-close {
    font-size: 1.5rem; cursor: pointer; color: var(--color-text-muted); background: none;
    border: none; padding: 4px 8px; transition: var(--transition);
}
.modal-dialog .modal-close:hover { color: #fff; }
.modal-dialog .modal-body { padding: 2rem; line-height: 1.9; color: #c6cdd9; }
.modal-dialog .modal-body h4 { font-size: 1.05rem; color: #fff; margin: 1.5rem 0 .6rem; }
.modal-dialog .modal-body h4:first-child { margin-top: 0; }
.modal-dialog .modal-body p { margin-bottom: .8rem; }
.modal-dialog .modal-body ul { padding-left: 1.5rem; margin-bottom: 1rem; }
.modal-dialog .modal-body ul li { margin-bottom: .4rem; }

/* ---- 产品展示块（左右交替） ---- */
.prod-block { display: grid; grid-template-columns: 1.15fr 1fr; gap: 2.6rem; align-items: center; margin-bottom: 3.4rem; }
.prod-block.rev { grid-template-columns: 1fr 1.15fr; }
.prod-block.rev .proto-side { order: 2; }
.proto-slot {
    aspect-ratio: 16/10; border-radius: 14px; border: 1px solid var(--gold-line);
    background:
      linear-gradient(rgba(201,169,98,.05) 1px, transparent 1px),
      linear-gradient(90deg, rgba(201,169,98,.05) 1px, transparent 1px), #0a0e17;
    background-size: 28px 28px, 28px 28px, auto;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
    color: var(--color-text-muted); box-shadow: 0 10px 34px rgba(0,0,0,.5); position: relative; overflow: hidden;
}
.proto-slot .ph-icon { font-size: 2.4rem; color: var(--color-primary); opacity: .8; }
.proto-slot .ph-text { font-size: .86rem; }
.proto-slot .ph-tag { position: absolute; top: 12px; left: 14px; background: var(--gold-dim); border: 1px solid var(--gold-line); color: var(--color-primary); font-size: .72rem; padding: 2px 10px; border-radius: 10px; z-index: 2; }
.proto-img { width: 100%; height: 100%; object-fit: contain; display: block; background: #0a0e17; }
.prod-info .p-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: .7rem; }
.prod-info h3 { font-size: 1.5rem; color: #fff; letter-spacing: 1px; }
.prod-info .ver { font-size: .8rem; color: var(--color-text-muted); border: 1px solid var(--color-border); padding: 2px 10px; border-radius: 12px; }
.prod-info .st-internal { font-size: .78rem; font-weight: 600; padding: 3px 12px; border-radius: 12px; background: rgba(248,113,113,.12); color: #f87171; border: 1px solid rgba(248,113,113,.3); }
.prod-info .p-pos { color: var(--color-primary-light); font-size: 1.02rem; margin-bottom: .9rem; }
.prod-info p.desc { color: var(--color-text-light); font-size: .94rem; margin-bottom: 1.1rem; }
.feat { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 1.3rem; }
.feat span { background: var(--color-bg-card); border: 1px solid var(--color-border); color: var(--color-text-light); padding: 4px 14px; border-radius: 16px; font-size: .82rem; }
.feat span i { color: var(--color-primary); margin-right: 6px; font-style: normal; }
.internal-note { margin-top: 1rem; font-size: .82rem; color: var(--color-text-muted); border-left: 3px solid var(--gold-line); padding-left: 12px; }
.demo-bar { display: flex; align-items: center; gap: 18px; border: 1px solid var(--gold-line); border-radius: 12px; background: var(--color-bg-card); padding: 14px 20px; margin-bottom: 3rem; }
.demo-bar video { width: 220px; aspect-ratio: 16/9; border-radius: 8px; background: #000; border: 1px solid var(--color-border); flex-shrink: 0; }
.demo-bar .t { flex: 1; }
.demo-bar .t b { color: #fff; font-size: .98rem; }
.demo-bar .t span { display: block; color: var(--color-text-muted); font-size: .8rem; }

/* ---- 预约演示页 ---- */
.book-wrap { display: grid; grid-template-columns: 1.5fr 1fr; gap: 2.4rem; margin-bottom: 3rem; }
.form-card { background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: 14px; padding: 2.2rem; }
.form-card h3 { color: #fff; font-size: 1.3rem; margin-bottom: .4rem; }
.form-card .sub { color: var(--color-text-muted); font-size: .86rem; margin-bottom: 1.6rem; }
.frow { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.bfield { margin-bottom: 14px; }
.bfield label { display: block; font-size: .84rem; color: var(--color-text-light); margin-bottom: 6px; }
.bfield label i { color: var(--color-primary); font-style: normal; }
.bfield input, .bfield select, .bfield textarea {
    width: 100%; background: #0a0e17; border: 1px solid var(--color-border); border-radius: 8px;
    color: var(--color-text); padding: 10px 12px; font-size: .92rem; font-family: inherit;
}
.bfield input:focus, .bfield select:focus, .bfield textarea:focus { outline: none; border-color: var(--gold-line); }
.bfield textarea { min-height: 90px; resize: vertical; }
.checks { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.checks span { background: #0a0e17; border: 1px solid var(--color-border); border-radius: 16px; padding: 5px 14px; font-size: .82rem; color: var(--color-text-light); cursor: pointer; user-select: none; }
.checks span.on { border-color: var(--gold-line); color: var(--color-primary); background: var(--gold-dim); }
.consent { display: flex; gap: 8px; align-items: flex-start; font-size: .8rem; color: var(--color-text-muted); margin: 14px 0 18px; cursor: pointer; }
.consent input { margin-top: 3px; accent-color: var(--color-primary); }
.consent b { color: var(--color-text-light); }
.book-side { background: var(--color-bg-card); border: 1px solid var(--gold-line); border-radius: 14px; padding: 1.8rem; height: fit-content; }
.book-side h4 { color: var(--color-primary); font-size: 1rem; margin-bottom: 1rem; }
.bstep { display: flex; gap: 12px; margin-bottom: 1rem; }
.bstep .n { width: 26px; height: 26px; border-radius: 50%; background: var(--gold-dim); border: 1px solid var(--gold-line); color: var(--color-primary); display: flex; align-items: center; justify-content: center; font-size: .8rem; flex-shrink: 0; }
.bstep .t { font-size: .86rem; color: var(--color-text-light); }
.bstep .t b { color: #fff; display: block; font-size: .9rem; }
.book-side .mail { margin-top: 1.2rem; padding-top: 1rem; border-top: 1px solid var(--color-border); font-size: .82rem; color: var(--color-text-muted); }
.book-side .mail a { color: var(--color-accent); }
.book-success { display: none; background: var(--color-bg-card); border: 1px solid var(--gold-line); border-radius: 14px; padding: 3rem 2rem; text-align: center; margin-bottom: 3rem; }
.book-success.show { display: block; }
.book-success .ic { width: 64px; height: 64px; border-radius: 50%; background: rgba(52,211,153,.14); border: 1px solid rgba(52,211,153,.4); color: #34d399; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; margin: 0 auto 1.2rem; }
.book-success h3 { color: #fff; font-size: 1.3rem; margin-bottom: .6rem; }
.book-success p { color: var(--color-text-light); font-size: .92rem; margin-bottom: .4rem; }
.book-success .alt { margin-top: 1.2rem; font-size: .82rem; color: var(--color-text-muted); }
.book-err { display: none; background: rgba(248,113,113,.1); border: 1px solid rgba(248,113,113,.35); color: #f87171; border-radius: 8px; padding: 10px 14px; font-size: .86rem; margin-bottom: 14px; }
.book-err.show { display: block; }

/* ---- 页脚高度优化（v3.2.0） ---- */
footer { padding: 2.2rem 0 1.2rem; }
.footer-content { grid-template-columns: 2fr 1.2fr 1fr; gap: 2.4rem; margin-bottom: 1.4rem; }
.footer-section h4 { font-size: 1.02rem; margin-bottom: .8rem; }
.footer-section p { font-size: .9rem; line-height: 1.7; }
.footer-links li { margin-bottom: .3rem; }
.footer-links a { font-size: .9rem; line-height: 1.5; }
.footer-links.cols { columns: 2; column-gap: 2.2rem; }
.copyright { padding-top: 1.1rem; font-size: .85rem; }

/* ---- 响应式 ---- */
@media (max-width: 992px) {
    .capability-grid { grid-template-columns: repeat(2, 1fr); }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .service-tier { grid-template-columns: 1fr; }
    .prod-block, .prod-block.rev { grid-template-columns: 1fr; }
    .prod-block.rev .proto-side { order: 0; }
    .book-wrap { grid-template-columns: 1fr; }
    .demo-bar { flex-wrap: wrap; }
    .demo-bar video { width: 100%; }
    .footer-content { grid-template-columns: 1fr 1fr; }
    .contact-layout { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr 1fr; }
    .value-grid { grid-template-columns: repeat(2, 1fr); }
    .sol-grid { grid-template-columns: repeat(2, 1fr); }
    .pat-grid { grid-template-columns: repeat(2, 1fr); }
    .row2-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    header { padding: 2rem 0; }
    .logo-text { font-size: 1.8rem; }
    .logo-area { gap: 14px; }
    .logo-img { height: 44px; border-radius: 8px; }
    .logo-cn { font-size: 2.4rem; letter-spacing: 5px; }
    .nav-logo { height: 22px; }
    .hero { padding: 2.5rem 1.5rem; }
    .hero h1 { font-size: 1.8rem; }
    .hero-v340 { grid-template-columns: 1fr; grid-template-areas: "copy" "globe" "stats"; text-align: center; }
    .hero-v340 h1 { font-size: 1.9rem; }
    .hero-v340 .hero-kicker { justify-content: center; }
    .hero-v340 .hero-body, .hero-v340 .hero-lead { margin-left: auto; margin-right: auto; }
    .hero-v340 .hero-actions { justify-content: center; }
    .hero-globe { min-height: 380px; }
    .hero-stats { gap: 1.5rem; }
    .hero-stat .num { font-size: 1.6rem; }
    .capability-grid { grid-template-columns: 1fr; }
    .product-grid { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; }
    .value-grid, .sol-grid, .pat-grid { grid-template-columns: 1fr; }
    .frow { grid-template-columns: 1fr; }
    .footer-links.cols { columns: 1; }
    .v2-strip, .cta-strip { padding: 1.8rem 1.5rem; }
    .about-vision { padding: 2.4rem 1.5rem; }
    .about-vision .vision-tagline { font-size: 1.6rem; letter-spacing: 2px; }
    .nav-links {
        display: none; flex-direction: column; position: absolute; top: 100%; left: 0; width: 100%;
        background: var(--color-bg-card); box-shadow: var(--shadow-lg); padding: .5rem 0;
        border-bottom: 1px solid var(--color-border);
    }
    .nav-links.show { display: flex; }
    .nav-links a { padding: .8rem 1.5rem; border-bottom: 1px solid var(--color-border); }
    .nav-links a.active::after { display: none; }
    .mobile-toggle { display: block; }
    .dropdown-menu { position: static; box-shadow: none; padding-left: 1rem; background: transparent; border: none; }
    .dropdown:hover .dropdown-menu { display: none; }
    .dropdown.open .dropdown-menu { display: block; }
    .section-header h2 { font-size: 1.5rem; }
}
@media (max-width: 480px) {
    .hero-stats { flex-direction: column; gap: 1rem; }
    .hero { padding: 2rem 1rem; }
}