/* ==========================================================================
   弘睿科技 HoRy Technology — 全站共享样式
   多页面企业站 · 亮色科技风
   ========================================================================== */

/* ========== Design Tokens ========== */
:root {
    --bg-deep: #eef2fb;
    --bg-section: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f5ff;
    --bg-soft: #f5f7fb;
    --border: rgba(30,58,138,0.1);
    --border-hover: rgba(2,132,199,0.4);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-invert: #ffffff;
    --accent-cyan: #0284c7;
    --accent-blue: #1d4ed8;
    --accent-purple: #6d28d9;
    --accent-green: #047857;
    --accent-amber: #b45309;
    --accent-red: #dc2626;
    --glow-cyan: rgba(2,132,199,0.1);
    --glow-purple: rgba(109,40,217,0.08);
    --radius: 14px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
    --shadow-sm: 0 2px 12px rgba(15,23,42,0.06);
    --shadow-md: 0 8px 40px rgba(2,132,199,0.12);
    --shadow-lg: 0 20px 60px rgba(15,23,42,0.12);
    --maxw: 1200px;
}

/* ========== Reset ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; height: auto; }
button { font-family: inherit; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ========== Global BG Effects ========== */
.bg-grid {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    pointer-events: none; z-index: 0;
    background-image:
        linear-gradient(rgba(30,58,138,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30,58,138,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
}
.bg-glow-1, .bg-glow-2 {
    position: fixed; pointer-events: none; z-index: 0;
    border-radius: 50%; filter: blur(140px); opacity: 0.5;
}
.bg-glow-1 { top: -200px; right: -200px; width: 600px; height: 600px; background: var(--glow-cyan); }
.bg-glow-2 { bottom: -200px; left: -200px; width: 500px; height: 500px; background: var(--glow-purple); }

section, footer, header { position: relative; z-index: 1; }

/* ========== Header ========== */
.header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255,255,255,0.88); backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border); transition: var(--transition);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.header .container { display: flex; align-items: center; justify-content: space-between; height: 70px; }

.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-img { height: 38px; width: auto; display: block; filter: drop-shadow(0 0 12px rgba(2,132,199,0.3)); }

.nav-links { display: flex; align-items: center; gap: 26px; }

/* ===== Nav item ===== */
.nav-item { position: relative; }
.nav-item > a, .nav-links > a {
    font-size: 0.88rem; font-weight: 500; color: var(--text-secondary);
    transition: var(--transition); cursor: pointer; display: flex; align-items: center; gap: 5px;
    white-space: nowrap; position: relative; padding: 4px 0;
}
.nav-item > a:hover, .nav-links > a:hover { color: var(--accent-cyan); }
.nav-links > a.active, .nav-item > a.active { color: var(--accent-cyan); font-weight: 700; }
.nav-item > a::after, .nav-links > a::after {
    content: ''; position: absolute; bottom: -2px; left: 50%; transform: translateX(-50%);
    width: 0; height: 2px; background: var(--accent-cyan); border-radius: 2px;
    box-shadow: 0 0 8px var(--accent-cyan); transition: width 0.3s ease;
}
.nav-item > a:hover::after, .nav-links > a:hover::after { width: 100%; }
.nav-arrow { font-size: 0.6rem; transition: transform 0.3s ease; opacity: 0.5; }
.nav-item:hover .nav-arrow { transform: rotate(180deg); opacity: 1; }

/* ===== Dropdown ===== */
.nav-dropdown {
    position: absolute; top: calc(100% + 12px); left: 50%; transform: translateX(-50%) translateY(-8px);
    background: rgba(255,255,255,0.98); backdrop-filter: blur(20px);
    border: 1px solid var(--border); border-radius: var(--radius);
    padding: 8px 0; min-width: 230px; opacity: 0; visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
    z-index: 999; box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}
.nav-dropdown::before {
    content: ''; position: absolute; top: -6px; left: 50%; transform: translateX(-50%) rotate(45deg);
    width: 12px; height: 12px; background: rgba(255,255,255,0.98);
    border-left: 1px solid var(--border); border-top: 1px solid var(--border);
}
.nav-item:hover .nav-dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav-dropdown a {
    display: block; padding: 9px 20px; font-size: 0.84rem; color: var(--text-secondary);
    transition: var(--transition); white-space: nowrap;
}
.nav-dropdown a:hover { background: rgba(2,132,199,0.08); color: var(--accent-cyan); }
.nav-dropdown .dropdown-title {
    display: block; padding: 6px 20px; font-size: 0.72rem; font-weight: 700;
    color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px;
    border-top: 1px solid var(--border); margin-top: 4px;
}
.nav-dropdown .dropdown-title:first-child { border-top: none; margin-top: 0; }

.nav-cta {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    color: #fff !important; padding: 9px 22px; border-radius: 50px;
    font-weight: 700 !important; font-size: 0.85rem !important;
    box-shadow: 0 4px 20px rgba(2,132,199,0.35); transition: var(--transition);
    display: inline-flex; align-items: center; gap: 8px;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { box-shadow: 0 6px 30px rgba(2,132,199,0.5); transform: translateY(-1px); }

.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; z-index: 1001; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--text-primary); margin: 5px 0; border-radius: 2px; transition: var(--transition); }

/* ========== Buttons ========== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px 32px; font-size: 0.92rem; font-weight: 600; border-radius: 50px;
    border: none; cursor: pointer; transition: var(--transition); position: relative;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    color: #fff; box-shadow: 0 4px 30px rgba(2,132,199,0.35);
}
.btn-primary:hover { box-shadow: 0 6px 45px rgba(2,132,199,0.5); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--text-primary); border: 1.5px solid rgba(0,0,0,0.15); }
.btn-outline:hover { border-color: var(--accent-cyan); background: rgba(2,132,199,0.05); }
.btn-sm { padding: 10px 22px; font-size: 0.85rem; }

/* ========== Section ========== */
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-header { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-tag {
    display: inline-block; font-size: 0.78rem; font-weight: 700;
    letter-spacing: 2px; color: var(--accent-cyan); margin-bottom: 16px;
    background: rgba(2,132,199,0.06); padding: 4px 14px; border-radius: 50px;
    border: 1px solid rgba(2,132,199,0.1);
}
.section-header h2 { font-size: clamp(1.5rem, 4vw, 2.3rem); font-weight: 800; color: var(--text-primary); margin-bottom: 14px; line-height: 1.3; }
.section-header p { font-size: 1.02rem; color: var(--text-secondary); }
.section-header.left { text-align: left; margin-left: 0; }

/* ========== Hero (首页) ========== */
.hero {
    padding: 176px 0 112px; text-align: center;
    background:
        radial-gradient(ellipse at 30% 0%, rgba(2,132,199,0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 30%, rgba(109,40,217,0.08) 0%, transparent 50%),
        linear-gradient(180deg, #f8faff 0%, var(--bg-deep) 100%);
    position: relative;
}
.hero::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(2,132,199,0.2), transparent);
}
.hero-tag {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(2,132,199,0.08); color: var(--accent-cyan);
    font-size: 0.82rem; font-weight: 600;
    padding: 6px 18px; border-radius: 50px; margin-bottom: 28px;
    border: 1px solid rgba(2,132,199,0.15);
}
.hero-tag .dot { width: 6px; height: 6px; background: var(--accent-cyan); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:0.3;} }

.hero h1 {
    font-size: clamp(2.2rem, 6vw, 3.6rem); font-weight: 900;
    line-height: 1.15; color: var(--text-primary); letter-spacing: -1.5px; margin-bottom: 20px;
}
.hero h1 .gradient-text {
    background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero p { font-size: 1.1rem; color: var(--text-secondary); max-width: 660px; margin: 0 auto 40px; line-height: 1.8; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ========== Page Hero (内页) ========== */
.page-hero {
    padding: 140px 0 64px;
    background:
        radial-gradient(ellipse at 20% 0%, rgba(2,132,199,0.1) 0%, transparent 55%),
        radial-gradient(ellipse at 85% 20%, rgba(109,40,217,0.07) 0%, transparent 50%),
        linear-gradient(180deg, #f8faff 0%, var(--bg-deep) 100%);
    border-bottom: 1px solid var(--border);
}
.page-hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.page-hero-grid.single { grid-template-columns: 1fr; max-width: 820px; }
.page-hero h1 {
    font-size: clamp(1.8rem, 4.4vw, 2.8rem); font-weight: 900;
    line-height: 1.22; color: var(--text-primary); letter-spacing: -0.8px; margin-bottom: 16px;
}
.page-hero h1 .gradient-text {
    background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.page-hero .lead { font-size: 1.05rem; color: var(--text-secondary); line-height: 1.85; margin-bottom: 28px; }
.page-hero .hero-actions { justify-content: flex-start; }
.page-hero-media {
    border-radius: var(--radius-lg); overflow: hidden;
    border: 1px solid var(--border); box-shadow: var(--shadow-lg);
    background: var(--bg-card);
}
.page-hero-media img { width: 100%; display: block; }

/* ========== Breadcrumb ========== */
.breadcrumb {
    display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
    font-size: 0.8rem; color: var(--text-muted); margin-bottom: 20px;
}
.breadcrumb a { color: var(--text-muted); transition: var(--transition); }
.breadcrumb a:hover { color: var(--accent-cyan); }
.breadcrumb .sep { opacity: 0.5; }
.breadcrumb .current { color: var(--accent-cyan); font-weight: 600; }

/* ========== Trust Bar ========== */
.trust-bar {
    background: var(--bg-section); border-bottom: 1px solid var(--border);
    padding: 22px 0;
}
.trust-bar-inner {
    display: flex; align-items: center; justify-content: center;
    gap: 48px; flex-wrap: wrap;
}
.trust-item { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; color: var(--text-secondary); font-weight: 500; }
.trust-item strong { color: var(--accent-cyan); font-weight: 800; font-size: 1.05rem; }
.trust-item .ti-icon { font-size: 1.1rem; }

/* ========== Robot Category Grid ========== */
.category-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.cat-card {
    background: var(--bg-card); border-radius: var(--radius);
    padding: 34px 28px; border: 1px solid var(--border); transition: var(--transition);
    position: relative; overflow: hidden; display: block;
}
.cat-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    opacity: 0; transition: opacity 0.4s ease;
}
.cat-card:hover { border-color: var(--border-hover); background: var(--bg-card-hover); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.cat-card:hover::before { opacity: 1; }
.cat-icon {
    width: 48px; height: 48px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; margin-bottom: 18px;
}
.cat-icon.cyan { background: rgba(2,132,199,0.1); color: var(--accent-cyan); }
.cat-icon.purple { background: rgba(139,92,246,0.1); color: var(--accent-purple); }
.cat-icon.blue { background: rgba(59,130,246,0.1); color: var(--accent-blue); }
.cat-icon.green { background: rgba(16,185,129,0.1); color: var(--accent-green); }
.cat-icon.amber { background: rgba(245,158,11,0.1); color: var(--accent-amber); }
.cat-icon.red { background: rgba(239,68,68,0.1); color: var(--accent-red); }

.cat-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); margin-bottom: 6px; }
.cat-card > p { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 16px; }
.cat-solutions { display: flex; flex-direction: column; gap: 8px; }
.cat-solutions .sol-item {
    font-size: 0.86rem; color: var(--text-secondary);
    padding: 8px 12px; background: rgba(0,0,0,0.03);
    border-radius: 6px; border-left: 2px solid transparent; transition: var(--transition);
    display: flex; align-items: center; gap: 8px;
}
.cat-solutions .sol-item:hover { background: rgba(2,132,199,0.08); border-left-color: var(--accent-cyan); }
.sol-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent-cyan); opacity: 0.6; flex-shrink: 0; }

/* ========== Solutions Detail Cards ========== */
.sol-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 20px; }
.sol-card {
    background: var(--bg-card); border-radius: var(--radius); border: 1px solid var(--border);
    transition: var(--transition); overflow: hidden; display: flex; flex-direction: column;
}
.sol-card:hover { border-color: var(--border-hover); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.sol-card-top { padding: 28px 28px 0; display: flex; align-items: flex-start; gap: 16px; }
.sol-card-icon {
    width: 48px; height: 48px; min-width: 48px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center; font-size: 1.4rem;
}
.sol-card-icon.collab { background: rgba(2,132,199,0.1); color: var(--accent-cyan); }
.sol-card-icon.delta { background: rgba(139,92,246,0.1); color: var(--accent-purple); }
.sol-card-icon.pallet { background: rgba(245,158,11,0.1); color: var(--accent-amber); }
.sol-card-icon.vision { background: rgba(16,185,129,0.1); color: var(--accent-green); }
.sol-card-icon.force { background: rgba(239,68,68,0.1); color: var(--accent-red); }
.sol-card-icon.custom { background: rgba(59,130,246,0.1); color: var(--accent-blue); }
/* 色调别名：与 .cat-icon.* 保持同一套色板，供首页 sol-card 网格复用 */
.sol-card-icon.cyan { background: rgba(2,132,199,0.1); color: var(--accent-cyan); }
.sol-card-icon.green { background: rgba(16,185,129,0.1); color: var(--accent-green); }
.sol-card-icon.purple { background: rgba(139,92,246,0.1); color: var(--accent-purple); }
.sol-card-icon.blue { background: rgba(59,130,246,0.1); color: var(--accent-blue); }
.sol-card-icon.amber { background: rgba(245,158,11,0.1); color: var(--accent-amber); }
.sol-card-icon.red { background: rgba(239,68,68,0.1); color: var(--accent-red); }
.sol-card-head { flex: 1; min-width: 0; }
.sol-card-body > p { font-size: 0.86rem; color: var(--text-muted); line-height: 1.8; margin-bottom: 14px; }
.sol-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.sol-card .sol-subtitle { font-size: 0.82rem; color: var(--text-muted); }
.sol-card-body { padding: 20px 28px 28px; flex: 1; display: flex; flex-direction: column; }
.sol-feature-list { display: flex; flex-direction: column; gap: 2px; margin-bottom: 18px; }
.sol-feature-list li { font-size: 0.86rem; color: var(--text-secondary); display: flex; align-items: flex-start; gap: 8px; padding: 5px 0; line-height: 1.6; }
.sol-feature-list li::before {
    content: ''; width: 4px; height: 4px; border-radius: 50%;
    background: var(--accent-cyan); flex-shrink: 0; margin-top: 9px;
}
.sol-card-link {
    margin-top: auto; font-size: 0.85rem; font-weight: 700; color: var(--accent-cyan);
    display: inline-flex; align-items: center; gap: 6px; transition: var(--transition);
}
.sol-card-link:hover { gap: 10px; }

/* ========== Advantages ========== */
.advantage-stats {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
    margin-bottom: 48px; position: relative;
}
.advantage-stats::after {
    content: ''; position: absolute; bottom: 0; left: 5%; right: 5%;
    height: 1px; background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
}
.stat-block { text-align: center; padding: 32px 16px 36px; position: relative; }
.stat-num {
    font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 900;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    line-height: 1; margin-bottom: 6px;
}
.stat-label { font-size: 0.82rem; color: var(--text-secondary); font-weight: 500; }

.advantage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.adv-item {
    background: var(--bg-card); border-radius: var(--radius);
    padding: 34px 28px; text-align: left;
    border: 1px solid var(--border);
    transition: box-shadow 0.35s ease, border-color 0.35s ease; position: relative;
    display: flex; gap: 18px; align-items: flex-start;
    transform: translateZ(0);
}
.adv-item::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    border-radius: var(--radius);
    background: radial-gradient(ellipse at 0% 0%, rgba(2,132,199,0.06) 0%, transparent 60%);
    opacity: 0; transition: opacity 0.35s ease;
    z-index: 0; pointer-events: none;
}
.adv-item:hover { border-color: var(--border-hover); box-shadow: var(--shadow-md); }
.adv-item:hover::before { opacity: 1; }
.adv-icon {
    width: 48px; height: 48px; min-width: 48px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; position: relative; z-index: 2;
}
.adv-icon.cyan  { background: rgba(2,132,199,0.12); color: var(--accent-cyan); }
.adv-icon.green { background: rgba(16,185,129,0.12); color: var(--accent-green); }
.adv-icon.purple { background: rgba(139,92,246,0.12); color: var(--accent-purple); }
.adv-icon.amber { background: rgba(245,158,11,0.12); color: var(--accent-amber); }
.adv-icon.blue  { background: rgba(59,130,246,0.12); color: var(--accent-blue); }
.adv-icon.red   { background: rgba(239,68,68,0.12); color: var(--accent-red); }
.adv-text { position: relative; z-index: 2; flex: 1; min-width: 0; }
.adv-item h3, .adv-item h4 { font-size: 0.98rem; font-weight: 700; color: var(--text-primary); margin-bottom: 5px; }
.adv-item p { font-size: 0.84rem; color: var(--text-secondary); line-height: 1.65; }

/* ========== Diagram / Figure ========== */
.figure {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 28px; margin: 0;
}
.figure img, .figure svg { width: 100%; height: auto; display: block; }
.figure figcaption {
    margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--border);
    font-size: 0.85rem; color: var(--text-secondary); text-align: center; line-height: 1.7;
}
.figure figcaption strong { color: var(--accent-cyan); }

/* ========== Process Flow ========== */
.process-flow { display: flex; align-items: stretch; gap: 0; flex-wrap: wrap; justify-content: center; }
.process-step {
    flex: 1; min-width: 150px; max-width: 220px; text-align: center;
    padding: 24px 16px; position: relative;
}
.process-step:not(:last-child)::after {
    content: '→'; position: absolute; right: -8px; top: 50%; transform: translateY(-50%);
    color: var(--accent-cyan); font-size: 1.2rem; font-weight: 700; opacity: 0.5;
}
.process-num {
    width: 38px; height: 38px; margin: 0 auto 12px; border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    color: #fff; font-weight: 800; font-size: 0.9rem;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 16px rgba(2,132,199,0.3);
}
.process-step h4 { font-size: 0.92rem; font-weight: 700; color: var(--text-primary); margin-bottom: 6px; }
.process-step p { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.6; }

/* ========== Feature Grid (三栏特性) ========== */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.feature-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 30px 26px; transition: var(--transition);
}
.feature-card:hover { border-color: var(--border-hover); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.feature-card .fc-icon { font-size: 1.8rem; margin-bottom: 14px; line-height: 1; }
.feature-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 0.86rem; color: var(--text-secondary); line-height: 1.7; }

/* ========== Spec Table ========== */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-card); }
table.spec-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; min-width: 560px; }
table.spec-table thead th {
    background: linear-gradient(135deg, rgba(2,132,199,0.08), rgba(109,40,217,0.06));
    color: var(--text-primary); font-weight: 700; text-align: left;
    padding: 15px 20px; border-bottom: 1px solid var(--border); white-space: nowrap;
}
table.spec-table tbody td { padding: 14px 20px; border-bottom: 1px solid rgba(30,58,138,0.06); color: var(--text-secondary); vertical-align: top; }
table.spec-table tbody tr:last-child td { border-bottom: none; }
table.spec-table tbody tr:hover { background: rgba(2,132,199,0.03); }
table.spec-table td strong { color: var(--text-primary); font-weight: 600; }

/* ========== Checklist / Two Column Text ========== */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split.reverse .split-media { order: -1; }
.split h2 { font-size: clamp(1.4rem, 3.4vw, 2rem); font-weight: 800; margin-bottom: 16px; line-height: 1.3; }
.split .lead { font-size: 0.98rem; color: var(--text-secondary); line-height: 1.85; margin-bottom: 22px; }
.check-list { display: flex; flex-direction: column; gap: 12px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 0.9rem; color: var(--text-secondary); line-height: 1.65; }
.check-list li .ck {
    width: 20px; height: 20px; min-width: 20px; border-radius: 50%; margin-top: 3px;
    background: rgba(2,132,199,0.12); color: var(--accent-cyan);
    display: flex; align-items: center; justify-content: center; font-size: 0.7rem; font-weight: 900;
}
.check-list li strong { color: var(--text-primary); font-weight: 600; }
.split-media { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-md); background: var(--bg-card); }
.split-media img, .split-media svg { width: 100%; display: block; }

/* ========== FAQ ========== */
.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: var(--border-hover); }
.faq-q {
    width: 100%; text-align: left; background: none; border: none; cursor: pointer;
    padding: 18px 22px; font-size: 0.95rem; font-weight: 700; color: var(--text-primary);
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq-q .faq-icon { flex-shrink: 0; font-size: 0.75rem; color: var(--accent-cyan); transition: transform 0.3s ease; }
.faq-item.open .faq-q .faq-icon { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-a-inner { padding: 0 22px 20px; font-size: 0.88rem; color: var(--text-secondary); line-height: 1.85; }
.faq-a-inner p + p { margin-top: 10px; }
.faq-a-inner strong { color: var(--text-primary); }

/* ========== Case / Industry Cards ========== */
.case-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.case-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    overflow: hidden; transition: var(--transition); display: flex; flex-direction: column;
}
.case-card:hover { border-color: var(--border-hover); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.case-media { aspect-ratio: 16 / 10; background: linear-gradient(135deg, #e8eefb, #f3f0fb); overflow: hidden; }
.case-media img, .case-media svg { width: 100%; height: 100%; object-fit: cover; display: block; }
.case-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.case-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.case-chip {
    font-size: 0.72rem; font-weight: 700; padding: 3px 10px; border-radius: 50px;
    background: rgba(2,132,199,0.08); color: var(--accent-cyan); border: 1px solid rgba(2,132,199,0.12);
}
.case-chip.purple { background: rgba(109,40,217,0.08); color: var(--accent-purple); border-color: rgba(109,40,217,0.12); }
.case-body h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; line-height: 1.45; }
.case-body p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.7; flex: 1; }
.case-result {
    margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--border);
    display: flex; gap: 20px; flex-wrap: wrap;
}
.case-result > div { font-size: 0.78rem; color: var(--text-muted); }
.case-result strong { display: block; font-size: 1.15rem; font-weight: 800; color: var(--accent-cyan); line-height: 1.2; }

/* ========== Related Links ========== */
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.related-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm);
    padding: 22px; transition: var(--transition); display: block;
}
.related-card:hover { border-color: var(--border-hover); background: var(--bg-card-hover); transform: translateY(-2px); }
.related-card .rc-label { font-size: 0.72rem; font-weight: 700; letter-spacing: 1px; color: var(--text-muted); text-transform: uppercase; margin-bottom: 8px; }
.related-card h4 { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); margin-bottom: 6px; }
.related-card p { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.6; }

/* ========== CTA ========== */
.cta {
    text-align: center;
    background:
        radial-gradient(ellipse at 50% 50%, rgba(2,132,199,0.15) 0%, transparent 70%),
        linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
    position: relative; overflow: hidden;
}
.cta::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px; pointer-events: none;
}
.cta .container { position: relative; z-index: 1; }
.cta h2 { font-size: clamp(1.5rem, 4vw, 2.3rem); font-weight: 800; color: #fff; margin-bottom: 14px; }
.cta p { font-size: 1.02rem; color: rgba(255,255,255,0.65); max-width: 560px; margin: 0 auto 36px; }
.cta .btn-primary { font-size: 1rem; padding: 16px 44px; }
.cta-points { display: flex; gap: 28px; justify-content: center; flex-wrap: wrap; margin-bottom: 34px; }
.cta-points span { color: rgba(255,255,255,0.8); font-size: 0.88rem; display: flex; align-items: center; gap: 8px; }

/* ========== Contact ========== */
.contact { background: var(--bg-section); }
.contact-inner { max-width: 680px; margin: 0 auto; text-align: center; }
.contact-inner h2 { font-size: clamp(1.5rem, 4vw, 2rem); font-weight: 800; color: var(--text-primary); margin-bottom: 14px; }
.contact-inner > p { color: var(--text-secondary); margin-bottom: 44px; font-size: 0.96rem; }
.contact-cards { display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; }
.contact-card {
    flex: 1; min-width: 240px; max-width: 340px;
    background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 30px 26px; transition: var(--transition);
}
.contact-card:hover { border-color: var(--border-hover); box-shadow: var(--shadow-md); }
.contact-card .cc-icon { font-size: 1.7rem; margin-bottom: 12px; }
.contact-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.contact-card p { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 14px; line-height: 1.7; }
.contact-card a.cc-link { font-weight: 700; color: var(--accent-cyan); font-size: 0.92rem; word-break: break-all; }
.qr-img { width: 168px; margin: 0 auto; border-radius: var(--radius-sm); border: 1px solid var(--border); }

/* ========== Footer ========== */
.footer {
    background: linear-gradient(180deg, #0f172a 0%, #0b1120 100%);
    color: rgba(255,255,255,0.72); padding: 72px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.footer-brand .logo-img { height: 36px; margin-bottom: 18px; filter: brightness(0) invert(1); }
.footer-brand p { font-size: 0.86rem; line-height: 1.8; color: rgba(255,255,255,0.6); max-width: 320px; }
.footer h4 { font-size: 0.92rem; font-weight: 700; color: #fff; margin-bottom: 18px; }
.footer ul { display: flex; flex-direction: column; gap: 11px; }
.footer ul a { font-size: 0.85rem; color: rgba(255,255,255,0.62); transition: var(--transition); }
.footer ul a:hover { color: var(--accent-cyan); }
.footer-contact p { font-size: 0.85rem; margin-bottom: 10px; color: rgba(255,255,255,0.6); }
.footer-contact a { color: var(--accent-cyan); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1); padding: 22px 0;
    display: flex; align-items: center; justify-content: space-between;
    gap: 16px; flex-wrap: wrap; font-size: 0.8rem; color: rgba(255,255,255,0.5);
}
.footer-bottom a { color: rgba(255,255,255,0.5); transition: var(--transition); }
.footer-bottom a:hover { color: var(--accent-cyan); }
.footer-legal { display: flex; gap: 18px; flex-wrap: wrap; }

/* ========== Scroll Reveal ========== */
.reveal, .cat-card, .sol-card, .adv-item, .feature-card, .case-card, .related-card, .figure, .split-side {
    opacity: 0; transform: translateY(26px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.cat-card, .sol-card, .adv-item, .feature-card, .case-card, .related-card, .figure {
    transition: opacity 0.6s ease, transform 0.6s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}
.reveal-in { opacity: 1 !important; transform: translateY(0) !important; }
@media (prefers-reduced-motion: reduce) {
    .reveal, .cat-card, .sol-card, .adv-item, .feature-card, .case-card, .related-card, .figure, .split-side {
        opacity: 1; transform: none; transition: none;
    }
}

/* ========== Article / Prose (用于内容页) ========== */
.prose { max-width: 860px; margin: 0 auto; }
.prose h2 { font-size: clamp(1.3rem, 3vw, 1.75rem); font-weight: 800; margin: 40px 0 14px; line-height: 1.35; }
.prose h3 { font-size: 1.1rem; font-weight: 700; margin: 28px 0 10px; }
.prose p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.9; margin-bottom: 14px; }
.prose ul { margin: 0 0 16px; display: flex; flex-direction: column; gap: 9px; }
.prose ul li { font-size: 0.92rem; color: var(--text-secondary); padding-left: 20px; position: relative; line-height: 1.8; }
.prose ul li::before { content: ''; position: absolute; left: 4px; top: 11px; width: 5px; height: 5px; border-radius: 50%; background: var(--accent-cyan); }
.prose strong { color: var(--text-primary); font-weight: 600; }
.prose .note {
    background: rgba(2,132,199,0.05); border-left: 3px solid var(--accent-cyan);
    padding: 16px 20px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 0.9rem; color: var(--text-secondary); margin: 20px 0;
}

/* ========== Responsive ========== */
@media (max-width: 1080px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 900px) {
    .page-hero-grid { grid-template-columns: 1fr; gap: 32px; }
    .split { grid-template-columns: 1fr; gap: 32px; }
    .split.reverse .split-media { order: 0; }
    .advantage-grid { grid-template-columns: repeat(2, 1fr); }
    .nav-links { gap: 18px; }
    .nav-item > a, .nav-links > a { font-size: 0.84rem; }
}
@media (max-width: 768px) {
    .header .container { height: 60px; }
    .nav-links {
        position: fixed; top: 0; right: -100%; width: 290px; height: 100vh;
        background: rgba(255,255,255,0.98); backdrop-filter: blur(20px);
        flex-direction: column; align-items: flex-start;
        padding: 84px 0 32px; gap: 0;
        border-left: 1px solid var(--border); transition: right var(--transition); z-index: 1000;
        box-shadow: -4px 0 30px rgba(2,132,199,0.1);
        overflow-y: auto; display: flex;
    }
    .nav-links.active { right: 0; }
    .nav-item { width: 100%; }
    .nav-item > a, .nav-links > a {
        padding: 14px 30px; font-size: 0.92rem; width: 100%;
        justify-content: space-between; display: flex;
    }
    .nav-links > a { display: flex; }
    .nav-arrow { font-size: 0.7rem; }
    .nav-cta { margin: 12px 24px 0; width: calc(100% - 48px); justify-content: center; }
    /* Mobile dropdown: static accordion */
    .nav-item .nav-dropdown {
        position: static !important; transform: none !important; opacity: 1; visibility: visible;
        background: rgba(2,132,199,0.04); border: none !important; border-radius: 0;
        box-shadow: none; max-height: 0; overflow: hidden; padding: 0;
        transition: max-height 0.35s ease; min-width: auto; display: block;
    }
    .nav-dropdown::before { display: none; }
    .nav-item.open .nav-dropdown { max-height: 800px; }
    .nav-item .nav-dropdown a { padding: 11px 46px; font-size: 0.84rem; white-space: normal; }
    .nav-item .nav-dropdown .dropdown-title { padding: 9px 46px; }
    .nav-item.open .nav-arrow { transform: rotate(180deg); opacity: 1; }
    .menu-toggle { display: block; }

    .hero { padding: 128px 0 76px; }
    .page-hero { padding: 112px 0 48px; }
    .section { padding: 68px 0; }
    .section-sm { padding: 48px 0; }
    .sol-grid { grid-template-columns: 1fr; }
    .category-grid { grid-template-columns: 1fr; }
    .advantage-stats { grid-template-columns: repeat(2, 1fr); }
    .advantage-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .footer-legal { justify-content: center; }
    .process-step { max-width: 100%; flex: 1 1 100%; }
    .process-step:not(:last-child)::after { content: '↓'; right: 50%; top: auto; bottom: -6px; transform: translateX(50%); }
    .figure { padding: 20px 16px; }
    .trust-bar-inner { gap: 20px 28px; }
    .cta-points { gap: 14px; }
    .case-result { gap: 24px; }
}
@media (max-width: 480px) {
    .hero h1 { font-size: 1.75rem; letter-spacing: -0.5px; }
    .advantage-stats { grid-template-columns: repeat(2, 1fr); }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }
    .page-hero .hero-actions { align-items: stretch; }
    .btn { justify-content: center; text-align: center; }
    .container { padding: 0 18px; }
    table.spec-table { min-width: 480px; }
}