/* 四川程友科技官网 · 原生 CSS 样式 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", "PingFang SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #182B3A;
  background: #fff;
  line-height: 1.5;
  font-feature-settings: "tnum";
  -webkit-font-smoothing: antialiased;
}

img, svg, canvas { display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; background: none; border: none; cursor: pointer; }
input, textarea { font: inherit; }
ul, ol { list-style: none; }
::selection { background: #0066ff; color: #fff; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid rgba(0,102,255,.22); outline-offset: 3px; }

.container { width: min(1200px, calc(100% - 40px)); margin-inline: auto; }
.icon { width: 1em; height: 1em; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: 0 0 auto; }

.skip-link { position: fixed; left: 16px; top: 12px; z-index: 100; transform: translateY(-180%); border-radius: 999px; background: #0066ff; color: #fff; padding: 10px 16px; font-size: 14px; font-weight: 700; transition: transform .25s ease; }
.skip-link:focus { transform: translateY(0); }

/* 动效基础 
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .72s cubic-bezier(.22,1,.36,1), transform .72s cubic-bezier(.22,1,.36,1); transition-delay: var(--d, 0ms); will-change: opacity, transform; }
.reveal-visible { opacity: 1; transform: translateY(0); }*/

/* 排版 */
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: #0066ff; font-size: 12px; font-weight: 800; letter-spacing: .24em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 26px; height: 2px; border-radius: 999px; background: currentColor; }
.section-heading { max-width: 780px; margin-inline: auto; text-align: center; }
.section-heading.left { margin-inline: 0; text-align: left; }
.section-title { margin-top: 14px; color: #0a2540; font-size: clamp(30px, 4vw, 48px); font-weight: 800; letter-spacing: -0.04em; line-height: 1.16; }
.section-description { margin-top: 18px; color: #5f7184; font-size: 16px; line-height: 1.9; }
.section-heading.dark .section-title { color: #fff; }
.section-heading.dark .section-description { color: #b7c9dc; }
.section-pad { padding-block: clamp(76px, 9vw, 118px); }
.bg-soft { background: #F7F9FC; }
.section-dots { background-image: radial-gradient(rgba(0,102,255,.11) 1px, transparent 1px); background-size: 24px 24px; }

/* 布局工具 */
.grid-2 { display: grid; gap: 24px; grid-template-columns: repeat(2, 1fr); }
.grid-3 { display: grid; gap: 24px; grid-template-columns: repeat(3, 1fr); }
.grid-4 { display: grid; gap: 24px; grid-template-columns: repeat(4, 1fr); }
.split { display: grid; gap: 56px; grid-template-columns: 1.05fr .95fr; align-items: center; }
.split-even { display: grid; gap: 48px; grid-template-columns: 1fr 1fr; align-items: center; }
.center { text-align: center; }
.mt-8 { margin-top: 32px; } .mt-10 { margin-top: 40px; } .mt-12 { margin-top: 48px; } .mt-14 { margin-top: 56px; }

/* 按钮 */
.tech-button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 8px; border-radius: 999px; padding: 13px 22px; font-size: 14px; font-weight: 800; letter-spacing: .01em; transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease; }
.tech-button:hover { transform: translateY(-2px); }
.tech-button .icon { transition: transform .3s ease; }
.tech-button:hover .icon { transform: translateX(3px); }
.tech-button-primary { background: linear-gradient(135deg, #0066ff, #0053d6); color: #fff; box-shadow: 0 16px 36px rgba(0,102,255,.28); }
.tech-button-primary:hover { box-shadow: 0 20px 44px rgba(0,102,255,.38); }
.tech-button-secondary { border: 1px solid rgba(0,102,255,.28); background: #fff; color: #0066ff; }
.tech-button-secondary:hover { border-color: #0066ff; background: #f2f7ff; }
.tech-button-white { background: #fff; color: #0066ff; box-shadow: 0 14px 30px rgba(5,23,45,.18); }
.tech-button-ghost { border: 1px solid rgba(255,255,255,.45); background: rgba(255,255,255,.08); color: #fff; backdrop-filter: blur(10px); }
.tech-button-ghost:hover { border-color: #fff; background: rgba(255,255,255,.14); }
.tech-button-orange { background: linear-gradient(135deg, #ff6b35, #f0521f); color: #fff; box-shadow: 0 16px 36px rgba(255,107,53,.3); }

/* 顶部导航 */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 50; background:#ffffff; border-bottom: 1px solid rgba(226,232,240,.78); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); transition: box-shadow .25s ease, background .25s ease; }
.site-header.scrolled { background: rgba(255,255,255,.93); box-shadow: 0 14px 42px rgba(10,37,64,.1); }
.header-inner { display: flex; height: 70px; align-items: center; justify-content: space-between; gap: 20px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo img { height: 40px; width: auto; object-fit: contain; }
.logo-symbol { position: relative; display: grid; width: 42px; height: 42px; place-items: center; overflow: hidden; border-radius: 13px; background: linear-gradient(135deg, #0066ff, #0a2540); box-shadow: 0 12px 26px rgba(0,102,255,.24); }
.logo-symbol::before { content: ""; position: absolute; width: 22px; height: 5px; border-radius: 999px; background: rgba(255,255,255,.92); transform: rotate(-35deg) translateY(-5px); }
.logo-symbol::after { content: ""; position: absolute; width: 20px; height: 5px; border-radius: 999px; background: #ff6b35; transform: rotate(35deg) translate(3px, 6px); }
.logo-symbol i { position: absolute; width: 5px; height: 5px; left: 10px; bottom: 10px; border-radius: 999px; background: rgba(255,255,255,.92); }
.logo-name { display: block; font-size: 20px; font-weight: 800; letter-spacing: -0.02em; color: #0a2540; line-height: 1.1; }
.logo-en { display: block; margin-top: 3px; font-size: 10px; font-weight: 700; letter-spacing: .24em; color: #8494a7; }
.logo.dark .logo-name { color: #fff; }
.logo.dark .logo-en { color: rgba(191,219,254,.6); }

.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-item { position: relative; }
.nav-link { position: relative; display: flex; align-items: center; gap: 4px; border-radius: 999px; padding: 10px 13px; color: #233b52; font-size: 14px; font-weight: 700; white-space: nowrap; transition: color .25s ease, background .25s ease; }
.nav-link::after { content: ""; position: absolute; left: 15px; right: 15px; bottom: 4px; height: 2px; transform: scaleX(0); transform-origin: left; border-radius: 999px; background: #0066ff; transition: transform .28s cubic-bezier(.77,0,.175,1); }
.nav-link:hover, .nav-link.active { color: #0066ff; background: rgba(0,102,255,.06); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-link .icon { transition: transform .25s ease; }
.nav-item:hover .nav-link .icon { transform: rotate(180deg); }
.nav-dropdown { position: absolute; top: calc(100% + 8px); left: 50%; z-index: 60; display: grid; min-width: 260px; gap: 5px; padding: 12px; transform: translate(-50%, 10px); border: 1px solid rgba(226,232,240,.95); border-radius: 18px; background: rgba(255,255,255,.96); box-shadow: 0 24px 70px rgba(10,37,64,.16); opacity: 0; visibility: hidden; pointer-events: none; backdrop-filter: blur(18px); transition: opacity .18s ease, transform .18s ease, visibility .18s ease; }
/* 桥接导航与下拉之间的空隙，避免鼠标下移时菜单消失 */
.nav-dropdown::before { content: ""; position: absolute; left: 0; right: 0; top: -20px; height: 20px; }
.nav-item:hover .nav-dropdown, .nav-item:focus-within .nav-dropdown { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0); }
.dropdown-item { display: flex; align-items: center; gap: 10px; border-radius: 12px; padding: 11px 12px; color: #365069; font-size: 13px; font-weight: 700; transition: background .2s ease, color .2s ease, transform .2s ease; }
.dropdown-item:hover { background: #f2f7ff; color: #0066ff; transform: translateX(3px); }
.dropdown-dot { width: 7px; height: 7px; flex: 0 0 7px; border-radius: 999px; }
.header-side { display: flex; align-items: center; gap: 12px; }
.header-phone { display: flex; align-items: center; gap: 8px; border: 1px solid #dce7f5; border-radius: 999px; padding: 9px 13px; color: #0066ff; font-size: 16px; font-weight: 800; transition: border-color .2s ease, color .2s ease; }
.header-phone:hover { border-color: #0066ff; color: #0066ff; }
.header-cta { border-radius: 999px; background: linear-gradient(135deg, #0066ff, #0052cf); color: #fff; padding: 10px 18px; font-size: 14px; font-weight: 800; box-shadow: 0 12px 28px rgba(0,102,255,.26); transition: transform .2s ease, box-shadow .2s ease; }
.header-cta:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(0,102,255,.34); }
.menu-btn { display: none; width: 42px; height: 42px; place-items: center; border-radius: 12px; color: #0a2540; background: #f1f5f9; }
.menu-btn .icon { width: 22px; height: 22px; }
.menu-btn .icon-close { display: none; }
.menu-btn.open .icon-menu { display: none; }
.menu-btn.open .icon-close { display: block; }
.mobile-panel { display: none; }

/* 首页 Hero */
.hero-shell { position: relative; height: 85vh; min-height: 720px; overflow: hidden; background: #0a1929; }
/* canvas 叠在内容上方以显示粒子，pointer-events:none 保证按钮可点 */
.hero-particles { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 5; opacity: .8; pointer-events: none; }
.hero-slide { position: absolute; inset: 0; z-index: 2; opacity: 0; transform: scale(1.025); pointer-events: none; transition: opacity .85s ease, transform 1.1s ease; }
.hero-slide.active { z-index: 3; opacity: 1; transform: scale(1); pointer-events: auto; }
.hero-slide .container { position: relative; z-index: 10; display: flex; min-height: 85vh; align-items: center; padding-top: 70px; padding-bottom: 110px; opacity: 0; transform: translateY(18px); transition: opacity .3s ease, transform .3s ease; }
.hero-slide.active .container { opacity: 1; transform: translateY(0); transition-delay: .14s; }
.hero-navy { background: radial-gradient(circle at 78% 28%, rgba(0,102,255,.38), transparent 34%), radial-gradient(circle at 18% 74%, rgba(255,107,53,.18), transparent 30%), linear-gradient(135deg, #071426 0%, #0a2540 48%, #06121f 100%); }
.hero-violet { background: radial-gradient(circle at 76% 30%, rgba(167,139,250,.36), transparent 34%), radial-gradient(circle at 24% 76%, rgba(0,102,255,.34), transparent 34%), linear-gradient(135deg, #10142f 0%, #243177 52%, #0a1929 100%); }
.hero-blue { background: radial-gradient(circle at 80% 26%, rgba(56,189,248,.32), transparent 32%), radial-gradient(circle at 18% 70%, rgba(255,107,53,.17), transparent 28%), linear-gradient(135deg, #0a2540 0%, #0b3f78 50%, #071426 100%); }
.hero-grid-bg { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px); background-size: 72px 72px; -webkit-mask-image: radial-gradient(circle at 62% 46%, black, transparent 68%); mask-image: radial-gradient(circle at 62% 46%, black, transparent 68%); }
.hero-content { max-width: 1100px; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 10px; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; background: rgba(255,255,255,.08); padding: 9px 14px; color: rgba(255,255,255,.78); font-size: 12px; font-weight: 800; letter-spacing: .2em; backdrop-filter: blur(10px); }
.hero-eyebrow i { width: 8px; height: 8px; border-radius: 999px; background: #ff6b35; box-shadow: 0 0 18px rgba(255,107,53,.9); }
.hero-title { margin-top: 26px; color: #fff; font-size: clamp(42px, 6.4vw, 76px); font-weight: 900; letter-spacing: -0.06em; line-height: 1.08; }
.hero-subtitle { margin-top: 24px; color: rgba(226,240,255,.82); font-size: clamp(17px, 2vw, 22px); font-weight: 600; letter-spacing: .03em; line-height: 1.7; }
.hero-actions { margin-top: 40px; display: flex; gap: 16px; flex-wrap: wrap; }
.hero-actions .tech-button { min-width: 156px; }
.hero-controls { position: absolute; right: max(24px, calc((100vw - 1200px) / 2)); bottom: 86px; z-index: 20; display: flex; align-items: center; gap: 16px; }
.hero-arrow { display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid rgba(255,255,255,.22); border-radius: 999px; background: rgba(255,255,255,.08); color: #fff; backdrop-filter: blur(10px); transition: background .2s ease, transform .2s ease; }
.hero-arrow:hover { background: rgba(255,255,255,.18); transform: translateY(-2px); }
.hero-arrow .icon { width: 20px; height: 20px; }
.hero-dots { display: flex; gap: 8px; }
.hero-dot { width: 9px; height: 9px; border-radius: 999px; background: rgba(255,255,255,.34); transition: width .25s ease, background .25s ease; }
.hero-dot.active { width: 28px; background: #ff6b35; }
.hero-wave { position: absolute; inset: auto 0 -1px 0; z-index: 15; width: 100%; height: 110px; }

/* 数据条 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; border: 1px solid #e2e8f0; border-radius: 26px; background: #fff; box-shadow: 0 24px 70px rgba(10,37,64,.08); }
.stat-item { padding: clamp(26px, 4vw, 42px) 18px; text-align: center; }
.stat-item + .stat-item { border-left: 1px solid #e2e8f0; }
.stat-number { color: #0066ff; font-size: clamp(38px, 5vw, 58px); font-weight: 900; letter-spacing: -0.055em; line-height: 1; }
.stat-number em { font-style: normal; color: #ff6b35; font-size: .58em; }
.stat-label { margin-top: 12px; color: #52677d; font-weight: 800; }

/* 卡片通用 */
.card-base { border: 1px solid #e2e8f0; border-radius: 22px; background: #fff; box-shadow: 0 12px 34px rgba(10,37,64,.06); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.card-base:hover { transform: translateY(-6px); border-color: rgba(0,102,255,.35); box-shadow: 0 24px 60px rgba(10,37,64,.11); }

.philosophy-card { display: flex; gap: 16px; padding: 22px; }
.philosophy-card .icon { width: 26px; height: 26px; color: #0066ff; margin-top: 2px; }
.philosophy-card.orange .icon { color: #ff6b35; }
.card-title { color: #0a2540; font-size: 19px; font-weight: 800; }
.card-text { margin-top: 8px; color: #64748b; font-size: 14px; line-height: 1.8; }

/* 代码绘制的仪表盘插画 */
.about-visual-frame { position: relative; min-height: 420px; overflow: hidden; border-radius: 34px; background: radial-gradient(circle at 80% 20%, rgba(255,107,53,.18), transparent 30%), linear-gradient(145deg, #0a2540, #071426); box-shadow: 0 34px 90px rgba(10,37,64,.24); }
.about-visual-frame::before { content: ""; position: absolute; inset: 22px; border: 1px solid rgba(255,255,255,.12); border-radius: 26px; }
.about-visual-frame .dashboard-visual { position: absolute; inset: 34px 35px auto; }
.about-floating-card { position: absolute; right: 34px; bottom: 34px; display: flex; align-items: center; gap: 10px; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; background: rgba(255,255,255,.1); padding: 13px 18px; color: #fff; font-weight: 800; backdrop-filter: blur(12px); }
.about-floating-card .icon { width: 20px; height: 20px; }

.dashboard-visual { position: relative; overflow: hidden; border: 1px solid rgba(255,255,255,.14); border-radius: 24px; background: rgba(255,255,255,.95); box-shadow: 0 28px 70px rgba(0,0,0,.22); }
.dashboard-topbar { display: flex; gap: 7px; padding: 14px 16px; border-bottom: 1px solid #e2e8f0; }
.dashboard-topbar span { width: 10px; height: 10px; border-radius: 999px; background: #cbd5e1; }
.dashboard-topbar span:first-child { background: #ff6b35; }
.dashboard-body { display: grid; grid-template-columns: 66px 1fr; min-height: 300px; }
.dashboard-sidebar { display: grid; align-content: start; gap: 14px; border-right: 1px solid #e2e8f0; padding: 22px 17px; }
.dashboard-sidebar span { height: 10px; border-radius: 999px; background: #e2e8f0; }
.dashboard-sidebar span.active { background: #0066ff; }
.dashboard-main { padding: 22px; }
.dashboard-chart { display: flex; height: 118px; align-items: flex-end; gap: 12px; border-radius: 18px; background: linear-gradient(180deg, #f8fbff, #eef5ff); padding: 18px; }
.dashboard-chart i { flex: 1; border-radius: 8px 8px 3px 3px; background: linear-gradient(180deg, #0066ff, #78b7ff); }
.dashboard-chart i:nth-child(4) { background: linear-gradient(180deg, #ff6b35, #ffb199); }
.dashboard-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 14px; }
.dashboard-cards span { height: 52px; border-radius: 14px; background: #eef2f7; }
.dashboard-cards span.blue { background: #e5f0ff; }
.dashboard-cards span.orange { background: #fff0ea; }
.dashboard-table { display: grid; gap: 10px; margin-top: 14px; }
.dashboard-table div { display: grid; grid-template-columns: 26px 1fr 52px; align-items: center; gap: 10px; }
.dashboard-table b, .dashboard-table span, .dashboard-table em { display: block; height: 10px; border-radius: 999px; background: #e2e8f0; }
.dashboard-table em { background: #b8d7ff; }

/* 核心业务 */
.service-card { display: block; height: 100%; border: 1px solid #e2e8f0; border-radius: 28px; background: rgba(255,255,255,.9); padding: clamp(26px, 4vw, 36px); box-shadow: 0 12px 36px rgba(10,37,64,.06); transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease; }
.service-card:hover { transform: translateY(-8px); border-color: rgba(0,102,255,.45); box-shadow: 0 28px 70px rgba(10,37,64,.13); }
.service-icon { display: grid; width: 64px; height: 64px; place-items: center; border-radius: 20px; background: currentColor; }
.service-icon .icon { width: 32px; height: 32px; color: #fff; }
.service-card-head { margin-top: 28px; display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.service-en { font-size: 12px; font-weight: 800; letter-spacing: .22em; color: #94a3b8; text-transform: uppercase; }
.service-card h3 { margin-top: 8px; font-size: 24px; font-weight: 800; color: #0a2540; }
.service-card-head .icon { width: 20px; height: 20px; margin-top: 8px; color: #cbd5e1; transition: all .25s ease; }
.service-card:hover .service-card-head .icon { transform: translateX(4px); color: #0066ff; }
.service-card > p { margin-top: 16px; color: #52677d; line-height: 1.9; }
.service-tags { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 8px; }
.service-tags span, .tag { border-radius: 999px; background: #f1f5f9; padding: 7px 10px; color: #52677d; font-size: 12px; font-weight: 700; }
.text-link { margin-top: 28px; display: inline-flex; align-items: center; gap: 8px; color: #0066ff; font-size: 14px; font-weight: 800; }
.text-link .icon { transition: transform .25s ease; }
.service-card:hover .text-link .icon, .text-link:hover .icon { transform: translateX(4px); }

/* AI 深色区块 */
.ai-section { position: relative; overflow: hidden; background: #0a1929; }
.ai-grid-bg { position: absolute; inset: 0; background: radial-gradient(circle at 78% 22%, rgba(0,102,255,.28), transparent 34%), radial-gradient(circle at 20% 78%, rgba(124,58,237,.18), transparent 34%), linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: auto, auto, 72px 72px, 72px 72px; }
.ai-section .container { position: relative; z-index: 1; }
.ai-head { display: grid; gap: 40px; grid-template-columns: .8fr 1.2fr; align-items: end; }
.ai-service-card { min-height: 248px; border: 1px solid rgba(255,255,255,.1); border-radius: 26px; background: linear-gradient(145deg, rgba(255,255,255,.09), rgba(255,255,255,.045)); padding: 28px; backdrop-filter: blur(14px); transition: transform .25s ease, border-color .25s ease, background .25s ease; }
.ai-service-card:hover { transform: translateY(-7px); border-color: rgba(0,102,255,.42); background: linear-gradient(145deg, rgba(255,255,255,.12), rgba(255,255,255,.06)); }
.ai-service-icon { display: grid; width: 58px; height: 58px; place-items: center; border-radius: 18px; background: rgba(0,102,255,.18); color: #78b7ff; box-shadow: inset 0 0 24px rgba(0,102,255,.14), 0 0 28px rgba(0,102,255,.12); }
.ai-service-icon .icon { width: 28px; height: 28px; }
.ai-service-card h3 { margin-top: 22px; color: #fff; font-size: 21px; font-weight: 800; }
.ai-service-card p { margin-top: 10px; color: #a9bbce; font-size: 14px; line-height: 1.8; }
.ai-service-card > span { display: inline-block; margin-top: 18px; border-radius: 999px; background: rgba(255,255,255,.08); padding: 6px 10px; color: #c7d7e8; font-size: 12px; font-weight: 700; }

/* AI 网络插画 */
.ai-visual { position: relative; height: 360px; }
.ai-core { position: absolute; left: 50%; top: 50%; z-index: 3; display: grid; width: 110px; height: 110px; place-items: center; transform: translate(-50%, -50%); border: 1px solid rgba(255,255,255,.22); border-radius: 34px; background: linear-gradient(135deg, #0066ff, #7c3aed); color: #fff; box-shadow: 0 0 70px rgba(0,102,255,.55); }
.ai-core .icon { width: 38px; height: 38px; }
.ai-ring { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); border: 1px dashed rgba(120,183,255,.35); border-radius: 999px; animation: spin 18s linear infinite; }
.ai-ring.one { width: 230px; height: 230px; }
.ai-ring.two { width: 330px; height: 330px; animation-duration: 28s; animation-direction: reverse; }
.ai-node { position: absolute; z-index: 4; display: flex; align-items: center; gap: 8px; border: 1px solid rgba(255,255,255,.16); border-radius: 999px; background: rgba(255,255,255,.08); padding: 10px 13px; color: #fff; font-size: 13px; font-weight: 800; backdrop-filter: blur(10px); }
.ai-node .icon { width: 18px; height: 18px; }
.ai-node.a { left: 8%; top: 20%; } .ai-node.b { right: 4%; top: 42%; } .ai-node.c { left: 22%; bottom: 12%; }
.ai-line { position: absolute; left: 50%; top: 50%; width: 150px; height: 1px; transform-origin: left; background: linear-gradient(90deg, rgba(0,102,255,.7), transparent); }
.ai-line.a { transform: rotate(205deg); } .ai-line.b { transform: rotate(-8deg); } .ai-line.c { transform: rotate(140deg); }
@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }

/* 筛选标签 */
.filter-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.filter-tab { border: 1px solid #dbe5f0; border-radius: 999px; background: #fff; padding: 10px 18px; color: #52677d; font-size: 14px; font-weight: 800; transition: background .22s ease, color .22s ease, border-color .22s ease, transform .22s ease; }
.filter-tab:hover { transform: translateY(-2px); border-color: rgba(0,102,255,.4); color: #0066ff; }
.filter-tab.active { border-color: #0066ff; background: #0066ff; color: #fff; box-shadow: 0 12px 28px rgba(0,102,255,.22); }

/* 解决方案卡片 */
.solution-card { position: relative; display: block; height: 100%; overflow: hidden; border: 1px solid #e2e8f0; border-radius: 26px; background: #fff; box-shadow: 0 14px 38px rgba(10,37,64,.06); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.solution-card:hover { transform: translateY(-8px); border-color: rgba(0,102,255,.35); box-shadow: 0 28px 70px rgba(10,37,64,.13); }
.solution-color { display: flex; height: 80px; align-items: flex-end; padding: 24px; color: #fff; }
.solution-color .icon { width: 32px; height: 32px; }
.solution-body { padding: 28px; }
.solution-category { color: #0066ff; font-size: 12px; font-weight: 900; letter-spacing: .12em; }
.solution-card h3 { margin-top: 8px; color: #0a2540; font-size: 22px; font-weight: 800; line-height: 1.35; }
.solution-card .solution-body > p { margin-top: 10px; color: #64748b; font-size: 14px; line-height: 1.8; }
.solution-audience { margin-top: 20px; }
.solution-overlay { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; gap: 10px; background: rgba(10,37,64,.78); color: #fff; font-weight: 900; opacity: 0; backdrop-filter: blur(4px); transition: opacity .25s ease; }
.solution-card:hover .solution-overlay { opacity: 1; }
.solution-overlay .icon { width: 20px; height: 20px; }
.filter-hidden { display: none !important; }

/* 客户墙 */
.logo-cloud { display: grid; grid-template-columns: repeat(6, 1fr); overflow: hidden; border: 1px solid #e2e8f0; border-radius: 26px; background: #fff; }
.logo-cloud span { display: grid; min-height: 82px; place-items: center; border-right: 1px solid #e2e8f0; border-bottom: 1px solid #e2e8f0; padding: 12px; color: #7b8ea3; font-size: 13px; font-weight: 800; text-align: center; filter: grayscale(1); transition: color .22s ease, background .22s ease, filter .22s ease; }
.logo-cloud span:hover { background: #f2f7ff; color: #0066ff; filter: grayscale(0); }

.case-card { display: block; height: 100%; border: 1px solid #e2e8f0; border-radius: 24px; background: #fff; padding: 26px; box-shadow: 0 14px 36px rgba(10,37,64,.06); transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease; }
.case-card:hover { transform: translateY(-7px); border-color: rgba(0,102,255,.4); box-shadow: 0 24px 58px rgba(10,37,64,.12); }
.case-logo { display: grid; width: 58px; height: 58px; place-items: center; border-radius: 18px; background: currentColor; font-weight: 900; }
.case-logo span { color: #fff; }
.case-type { margin-top: 20px; font-size: 12px; font-weight: 800; color: #0066ff; }
.case-card h3 { margin-top: 8px; color: #0a2540; font-size: 19px; font-weight: 800; }
.case-card p { margin-top: 10px; color: #64748b; font-size: 14px; line-height: 1.8; }

/* 资讯卡片 */
.news-card { display: block; overflow: hidden; border: 1px solid #e2e8f0; border-radius: 26px; background: #fff; box-shadow: 0 14px 36px rgba(10,37,64,.06); transition: transform .25s ease, box-shadow .25s ease; }
.news-card:hover { transform: translateY(-8px); box-shadow: 0 28px 70px rgba(10,37,64,.12); }
.news-cover { height: 180px; overflow: hidden; background: radial-gradient(circle at 78% 26%, rgba(255,107,53,.32), transparent 28%), linear-gradient(135deg, #0a2540, #0066ff); }
.news-cover-inner { display: grid; height: 100%; place-items: center; color: #fff; background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 36px 36px; transition: transform .35s ease; }
.news-cover-inner .icon { width: 36px; height: 36px; }
.news-card:hover .news-cover-inner { transform: scale(1.05); }
.news-body { padding: 24px; }
.news-meta { font-size: 12px; font-weight: 700; color: #0066ff; }
.news-card h3 { margin-top: 10px; display: -webkit-box; min-height: 58px; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; color: #0a2540; font-size: 20px; font-weight: 800; line-height: 1.45; transition: color .2s ease; }
.news-card:hover h3 { color: #0066ff; }
.news-card .news-body > p { margin-top: 12px; display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 3; color: #64748b; font-size: 14px; line-height: 1.8; }
.news-more { margin-top: 18px; display: inline-flex; align-items: center; gap: 7px; color: #0066ff; font-size: 14px; font-weight: 800; }

/* 快捷联系条 + CTA */
.quick-contact { display: flex; align-items: center; justify-content: space-between; gap: 30px; overflow: hidden; border-radius: 32px; background: radial-gradient(circle at 82% 18%, rgba(255,107,53,.34), transparent 28%), linear-gradient(135deg, #0a2540, #0066ff); padding: clamp(28px, 5vw, 54px); color: #fff; }
.quick-contact h2 { margin-top: 12px; font-size: clamp(28px, 4vw, 46px); font-weight: 900; letter-spacing: -0.04em; }
.quick-contact p { margin-top: 12px; color: rgba(255,255,255,.75); }
.quick-contact .eyebrow { color: rgba(255,255,255,.7); }
.quick-contact a.qc-phone { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; border-radius: 999px; background: #fff; padding: 16px 22px; color: #0066ff; font-size: 18px; font-weight: 900; box-shadow: 0 20px 48px rgba(0,0,0,.18); }
.cta-banner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 34px; overflow: hidden; border-radius: 34px; background: radial-gradient(circle at 78% 22%, rgba(255,107,53,.35), transparent 30%), linear-gradient(135deg, #0066ff, #0a2540 74%); padding: clamp(34px, 6vw, 68px); box-shadow: 0 30px 80px rgba(0,102,255,.24); }
.cta-orbit { position: absolute; right: -90px; top: -110px; width: 330px; height: 330px; border: 1px dashed rgba(255,255,255,.25); border-radius: 999px; }
.cta-orbit::after { content: ""; position: absolute; left: 18%; top: 12%; width: 16px; height: 16px; border-radius: 999px; background: #ff6b35; box-shadow: 0 0 28px rgba(255,107,53,.9); }
.cta-text { position: relative; z-index: 1; max-width: 720px; }
.cta-text .eyebrow { color: rgba(255,255,255,.7); }
.cta-text h2 { margin-top: 12px; font-size: clamp(28px, 4.2vw, 46px); font-weight: 800; letter-spacing: -0.03em; color: #fff; }
.cta-text p { margin-top: 16px; color: rgba(239,246,255,.85); font-size: 16px; line-height: 1.9; }
.cta-actions { position: relative; z-index: 1; display: flex; gap: 12px; flex-wrap: wrap; }
.cta-wrap { padding-block: 48px; }
.cta-wrap.large { padding-block: 80px; }

/* 页脚 */
.site-footer { background: radial-gradient(circle at 82% 18%, rgba(0,102,255,.16), transparent 30%), #0a1929; color: #fff; }
.footer-grid { display: grid; gap: 48px; padding-block: 64px; grid-template-columns: 1.25fr .8fr .95fr 1.1fr; }
.footer-about p { margin-top: 24px; max-width: 340px; color: #94a3b8; font-size: 14px; line-height: 1.9; }
.footer-badge { margin-top: 24px; display: inline-flex; align-items: center; gap: 8px; border: 1px solid rgba(255,255,255,.1); border-radius: 999px; padding: 8px 16px; font-size: 12px; color: #cbd5e1; }
.footer-badge .icon { color: #ff6b35; }
.footer-title { color: #fff; font-size: 18px; font-weight: 900; }
.footer-links { margin-top: 20px; display: grid; gap: 12px; }
.footer-links a { color: #94a7bb; font-size: 14px; font-weight: 700; transition: color .2s ease, transform .2s ease; }
.footer-links a:hover { color: #fff; transform: translateX(3px); }
.footer-contacts { margin-top: 20px; display: grid; gap: 14px; font-size: 14px; color: #94a3b8; }
.footer-contact { display: flex; align-items: flex-start; gap: 10px; line-height: 1.7; }
.footer-contact .icon { margin-top: 3px; color: #ff6b35; }
a.footer-contact:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); background: #06121F; }
.footer-bottom-inner { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between; padding-block: 20px; font-size: 12px; color: #64748b; line-height: 1; }
.footer-beian { display: inline-flex; flex-wrap: nowrap; align-items: center; gap: 10px; white-space: nowrap; }
.footer-beian a { display: inline-flex; align-items: center; gap: 6px; line-height: 1; white-space: nowrap; }
.footer-beian .beian-sep { color: #475569; }
.footer-beian img { display: block; width: 16px; height: 16px; flex: 0 0 16px; }

/* 悬浮按钮 */
.float-actions { position: fixed; right: 20px; bottom: 20px; z-index: 40; display: flex; flex-direction: column; gap: 12px; }
.float-action { display: grid; width: 48px; height: 48px; place-items: center; border-radius: 999px; background: #0066ff; color: #fff; box-shadow: 0 18px 42px rgba(0,102,255,.34); transition: transform .22s ease, background .22s ease, opacity .25s ease; }
.float-action:hover { transform: translateY(-3px); background: #ff6b35; }
.float-action .icon { width: 20px; height: 20px; }
.float-action.top { opacity: 0; transform: translateY(12px); pointer-events: none; }
.float-action.top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }

/* 内页 Hero */
.page-hero { position: relative; overflow: hidden; background: radial-gradient(circle at 80% 20%, rgba(0,102,255,.14), transparent 32%), linear-gradient(135deg, #f4f8ff 0%, #eaf2ff 50%, #f8fbff 100%); padding: 158px 0 86px; text-align: center; }
.page-hero.dark { background: radial-gradient(circle at 72% 24%, rgba(124,58,237,.28), transparent 32%), linear-gradient(135deg, #0a1929, #102b58 64%, #0a2540); }
.page-hero-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(0,102,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(0,102,255,.06) 1px, transparent 1px); background-size: 52px 52px; -webkit-mask-image: radial-gradient(circle at 50% 45%, black, transparent 72%); mask-image: radial-gradient(circle at 50% 45%, black, transparent 72%); }
.page-hero .container { position: relative; z-index: 1; }
.page-title { margin-top: 18px; color: #0a2540; font-size: clamp(38px, 6vw, 66px); font-weight: 900; letter-spacing: -0.055em; line-height: 1.1; }
.page-description { max-width: 760px; margin: 18px auto 0; color: #5f7184; font-size: 17px; line-height: 1.9; }
.page-hero.dark .page-title { color: #fff; }
.page-hero.dark .page-description { color: rgba(226,240,255,.76); }
.breadcrumb { margin-top: 28px; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px; font-size: 14px; color: #64748b; }
.breadcrumb .icon { width: 16px; height: 16px; }
.breadcrumb .current { color: #0066ff; font-weight: 700; }
.page-hero.dark .breadcrumb { color: #94a7bb; }

/* 关于页 */
.rich-text p { color: #52677d; font-size: 16px; line-height: 2; margin-bottom: 20px; }
.value-card { padding: 30px; }
.value-icon { display: grid; width: 64px; height: 64px; place-items: center; border-radius: 20px; background: #0066ff; color: #fff; }
.value-icon .icon { width: 32px; height: 32px; }
.value-card h3, .advantage-card h3, .feature-card h3 { margin-top: 22px; }
.timeline { position: relative; display: grid; gap: 24px; }
.timeline::before { content: ""; position: absolute; left: 73px; top: 18px; bottom: 18px; width: 2px; background: linear-gradient(#0066ff, #ff6b35); }
.timeline-item { position: relative; display: grid; grid-template-columns: 110px 1fr; gap: 24px; }
.timeline-year { position: relative; z-index: 1; display: grid; width: 88px; height: 88px; place-items: center; border: 7px solid #eaf2ff; border-radius: 999px; background: #0066ff; color: #fff; font-weight: 900; }
.timeline-content { border: 1px solid #e2e8f0; border-radius: 22px; background: #f8fbff; padding: 24px; }
.timeline-content h3 { color: #0a2540; font-size: 20px; font-weight: 800; }
.timeline-content p { margin-top: 8px; color: #64748b; line-height: 1.8; }
.advantage-card { padding: 28px; }
.advantage-card > .icon { width: 36px; height: 36px; color: #0066ff; }
.contact-line { display: flex; align-items: flex-start; gap: 12px; color: #52677d; font-weight: 700; line-height: 1.8; margin-bottom: 16px; }
.contact-line .icon { width: 20px; height: 20px; color: #0066ff; margin-top: 3px; }

.map-card { position: relative; min-height: 380px; overflow: hidden; border: 1px solid #dbe5f0; border-radius: 30px; background: linear-gradient(145deg, #eaf2ff, #f8fbff); box-shadow: 0 22px 58px rgba(10,37,64,.09); }
.map-card.large { min-height: 460px; }
.map-grid { position: absolute; inset: 0; background: linear-gradient(rgba(0,102,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(0,102,255,.08) 1px, transparent 1px); background-size: 42px 42px; }
.map-grid::before { content: ""; position: absolute; left: -70px; top: 90px; width: 72%; height: 54px; border-radius: 999px; background: rgba(0,102,255,.12); transform: rotate(-18deg); }
.map-grid::after { content: ""; position: absolute; right: -80px; bottom: 70px; width: 68%; height: 66px; border-radius: 999px; background: rgba(0,102,255,.12); transform: rotate(24deg); }
.map-marker { position: absolute; left: 50%; top: 50%; display: flex; align-items: center; gap: 10px; transform: translate(-50%, -50%); border-radius: 999px; background: #0a2540; padding: 14px 18px; color: #fff; font-weight: 900; box-shadow: 0 24px 60px rgba(10,37,64,.28); }
.map-marker .icon { color: #ff6b35; width: 24px; height: 24px; }

/* 业务领域页 */
.service-detail-section { padding-block: clamp(70px, 9vw, 112px); }
.service-detail-section + .service-detail-section { border-top: 1px solid #e2e8f0; }
.service-detail-section.dark { background: radial-gradient(circle at 78% 24%, rgba(124,58,237,.22), transparent 32%), linear-gradient(135deg, #0a1929, #0a2540); }
.service-detail-visual { display: grid; min-height: 390px; place-items: center; overflow: hidden; border: 1px solid rgba(226,232,240,.75); border-radius: 32px; background: radial-gradient(circle at 80% 20%, rgba(0,102,255,.13), transparent 30%), linear-gradient(145deg, #f8fbff, #edf4ff); box-shadow: 0 24px 70px rgba(10,37,64,.09); padding: 30px; }
.service-detail-section.dark .service-detail-visual { border-color: rgba(255,255,255,.12); background: rgba(255,255,255,.06); }
.service-detail-icon { display: grid; width: 72px; height: 72px; place-items: center; border-radius: 22px; background: currentColor; }
.service-detail-icon .icon { width: 32px; height: 32px; color: #fff; }
.sd-title { margin-top: 12px; font-size: clamp(30px, 4vw, 46px); font-weight: 800; letter-spacing: -0.04em; color: #0a2540; }
.sd-desc { margin-top: 24px; color: #52677d; font-size: 16px; line-height: 2; }
.dark .sd-title { color: #fff; }
.dark .sd-desc { color: #b7c9dc; }
.service-checks { margin-top: 32px; display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
.service-check { display: flex; align-items: flex-start; gap: 10px; border: 1px solid #e2e8f0; border-radius: 16px; background: #f8fbff; padding: 14px; color: #52677d; font-size: 14px; font-weight: 800; }
.service-check .icon { width: 20px; height: 20px; color: #0066ff; margin-top: 1px; }
.dark .service-check { border-color: rgba(255,255,255,.12); background: rgba(255,255,255,.07); color: #d4e4f5; }

.chip-visual { position: relative; display: grid; width: 300px; height: 300px; place-items: center; }
.chip-core { z-index: 2; display: grid; width: 138px; height: 138px; place-items: center; border-radius: 30px; background: linear-gradient(135deg, #0066ff, #0a2540); color: #fff; box-shadow: 0 0 58px rgba(0,102,255,.36); }
.chip-core .icon { width: 46px; height: 46px; }
.chip-visual > span { position: absolute; left: 50%; top: 50%; width: 2px; height: 150px; transform-origin: top; background: linear-gradient(#7db7ff, transparent); }
.chip-caption { position: absolute; bottom: 0; border-radius: 999px; background: #fff; padding: 10px 16px; color: #0066ff; font-weight: 900; box-shadow: 0 14px 34px rgba(10,37,64,.1); }
.integration-visual { position: relative; width: 100%; max-width: 460px; height: 340px; }
.integration-screen { position: absolute; left: 50%; top: 50%; z-index: 2; display: grid; width: 190px; height: 150px; place-items: center; align-content: center; gap: 8px; transform: translate(-50%, -50%); border-radius: 28px; background: linear-gradient(135deg, #0a2540, #0066ff); color: #fff; font-weight: 900; box-shadow: 0 24px 60px rgba(0,102,255,.26); text-align: center; }
.integration-screen .icon { width: 38px; height: 38px; margin-inline: auto; }
.integration-node { position: absolute; border-radius: 999px; background: #fff; padding: 10px 14px; color: #52677d; font-size: 13px; font-weight: 900; box-shadow: 0 12px 30px rgba(10,37,64,.1); }
.integration-node.a { left: 8%; top: 12%; } .integration-node.b { right: 6%; top: 18%; }
.integration-node.c { left: 10%; bottom: 14%; } .integration-node.d { right: 8%; bottom: 10%; }

.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.process-card { position: relative; overflow: hidden; border: 1px solid #e2e8f0; border-radius: 24px; background: #fff; padding: 28px; box-shadow: 0 14px 36px rgba(10,37,64,.06); }
.process-card::after { content: ""; position: absolute; right: -34px; top: -34px; width: 92px; height: 92px; border-radius: 999px; background: rgba(0,102,255,.08); }
.process-step { color: #0066ff; font-size: 13px; font-weight: 900; letter-spacing: .18em; }
.process-card h3 { margin-top: 18px; color: #0a2540; font-size: 22px; font-weight: 900; }
.process-card p { margin-top: 10px; color: #64748b; font-size: 14px; line-height: 1.8; }

/* 方案详情 */
.solution-hero-panel, .scenario-card { border: 1px solid #e2e8f0; border-radius: 30px; background: #f8fbff; padding: clamp(28px, 5vw, 46px); box-shadow: 0 20px 58px rgba(10,37,64,.08); }
.solution-hero-icon { display: grid; width: 88px; height: 88px; place-items: center; border-radius: 26px; color: #fff; box-shadow: 0 18px 44px rgba(10,37,64,.18); }
.solution-hero-icon .icon { width: 40px; height: 40px; }
.solution-hero-panel h3, .scenario-card h2 { margin-top: 24px; color: #0a2540; font-size: clamp(26px, 4vw, 40px); font-weight: 900; letter-spacing: -0.04em; }
.solution-hero-panel p, .scenario-card p { margin-top: 14px; color: #64748b; line-height: 1.9; }
.solution-hero-lines { display: grid; gap: 12px; margin-top: 30px; }
.solution-hero-lines span { height: 10px; border-radius: 999px; background: #dbe5f0; }
.feature-card { padding: 28px; }
.feature-icon { display: grid; width: 58px; height: 58px; place-items: center; border-radius: 18px; background: currentColor; }
.feature-icon .icon { width: 28px; height: 28px; color: #fff; }
.solution-advantage { display: flex; align-items: center; gap: 14px; border: 1px solid #e2e8f0; border-radius: 20px; background: #f8fbff; padding: 20px; }
.solution-advantage h3 { color: #0a2540; font-weight: 900; }
.solution-advantage .icon { width: 24px; height: 24px; }
.scenario-card { height: 100%; }
.scenario-card.dark { background: radial-gradient(circle at 78% 20%, rgba(255,107,53,.24), transparent 28%), linear-gradient(135deg, #0a2540, #071426); }
.scenario-card.dark h2 { color: #fff; }
.scenario-card.dark p { color: #bfd1e4; }
.scenario-card .tech-button { margin-top: 28px; }
.back-link { display: inline-flex; align-items: center; gap: 8px; color: #0066ff; font-size: 14px; font-weight: 800; }
.back-link .icon { width: 16px; height: 16px; }

/* AI 页 */
.ai-hero-extension { background: #0a1929; padding-block: 64px; }
.ai-hero-extension h2 { margin-top: 16px; color: #fff; font-size: clamp(28px, 4vw, 46px); font-weight: 800; letter-spacing: -0.03em; }
.ai-hero-extension p { margin-top: 20px; color: #b7c9dc; line-height: 1.9; }
.ai-page-card { height: 100%; border: 1px solid #e2e8f0; border-radius: 26px; background: #fff; padding: 30px; box-shadow: 0 14px 38px rgba(10,37,64,.06); transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease; }
.ai-page-card:hover { transform: translateY(-7px); border-color: rgba(0,102,255,.36); box-shadow: 0 24px 62px rgba(10,37,64,.12); }
.ai-page-icon { display: grid; width: 64px; height: 64px; place-items: center; border-radius: 20px; background: #0066ff; color: #fff; }
.ai-page-icon .icon { width: 32px; height: 32px; }
.ai-page-card h3 { margin-top: 22px; color: #0a2540; font-size: 22px; font-weight: 900; }
.ai-page-card > p { margin-top: 12px; color: #64748b; line-height: 1.85; }
.ai-page-scenario { margin-top: 18px; display: inline-block; border-radius: 999px; background: #eef6ff; padding: 8px 12px; color: #0066ff; font-size: 13px; font-weight: 900; }
.architecture-diagram { display: grid; gap: 14px; }
.architecture-layer { display: grid; grid-template-columns: 140px 1fr; align-items: center; gap: 18px; border: 1px solid rgba(255,255,255,.12); border-radius: 22px; background: rgba(255,255,255,.06); padding: 18px; backdrop-filter: blur(12px); }
.architecture-label { display: grid; min-height: 68px; place-items: center; border-radius: 16px; background: linear-gradient(135deg, #0066ff, #0a2540); color: #fff; font-weight: 900; }
.architecture-items { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.architecture-items span { display: grid; min-height: 68px; place-items: center; border: 1px solid rgba(255,255,255,.11); border-radius: 14px; background: rgba(255,255,255,.06); color: #d4e4f5; font-size: 14px; font-weight: 800; text-align: center; padding: 6px; }
.arch-note { margin-top: 40px; display: flex; align-items: center; justify-content: center; gap: 12px; color: #b7c9dc; font-size: 14px; }
.arch-note .icon { color: #ff6b35; width: 20px; height: 20px; }
.ai-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.ai-step { position: relative; border: 1px solid #e2e8f0; border-radius: 22px; background: #f8fbff; padding: 26px 20px; text-align: center; }
.ai-step:not(:last-child)::after { content: ""; position: absolute; right: -16px; top: 50%; width: 16px; height: 2px; background: #0066ff; }
.ai-step span { color: #0066ff; font-size: 13px; font-weight: 900; letter-spacing: .18em; }
.ai-step h3 { margin-top: 10px; color: #0a2540; font-weight: 900; }

/* 案例页 */
.client-group { overflow: hidden; border: 1px solid #e2e8f0; border-radius: 26px; background: #fff; box-shadow: 0 14px 38px rgba(10,37,64,.06); margin-bottom: 40px; }
.client-group-title { border-bottom: 1px solid #e2e8f0; background: #f8fbff; padding: 18px 24px; color: #0a2540; font-weight: 900; }
.client-grid { display: grid; grid-template-columns: repeat(5, 1fr); }
.client-logo { display: flex; min-height: 82px; align-items: center; gap: 10px; border-right: 1px solid #e2e8f0; border-bottom: 1px solid #e2e8f0; padding: 16px; color: #7b8ea3; font-size: 13px; font-weight: 800; filter: grayscale(1); transition: color .2s ease, background .2s ease, filter .2s ease; }
.client-logo .icon { width: 16px; height: 16px; }
.client-logo:hover { background: #f2f7ff; color: #0066ff; filter: grayscale(0); }
.benchmark-card { overflow: hidden; border: 1px solid #e2e8f0; border-radius: 24px; background: #fff; box-shadow: 0 14px 36px rgba(10,37,64,.06); transition: transform .24s ease, box-shadow .24s ease; height: 100%; }
.benchmark-card:hover { transform: translateY(-7px); box-shadow: 0 24px 62px rgba(10,37,64,.12); }
.benchmark-top { display: grid; height: 118px; place-items: center; color: #fff; }
.benchmark-top span { display: grid; width: 64px; height: 64px; place-items: center; border: 1px solid rgba(255,255,255,.35); border-radius: 20px; background: rgba(255,255,255,.16); font-size: 20px; font-weight: 900; }
.benchmark-body { padding: 24px; }
.benchmark-meta { font-size: 12px; font-weight: 800; color: #0066ff; }
.benchmark-card h3 { margin-top: 9px; color: #0a2540; font-size: 20px; font-weight: 900; }
.benchmark-card .benchmark-body > p { margin-top: 12px; color: #64748b; font-size: 14px; line-height: 1.8; }
.benchmark-result { display: flex; align-items: flex-start; gap: 8px; margin-top: 16px; border-radius: 14px; background: #f1f7ff; padding: 12px; color: #0066ff; font-size: 13px; font-weight: 800; line-height: 1.6; }
.benchmark-result .icon { width: 16px; height: 16px; margin-top: 2px; }
.empty-note { border: 1px dashed #cbd5e1; border-radius: 20px; background: #f8fafc; padding: 48px; text-align: center; color: #64748b; }
.testimonial-card { padding: 30px; }
.testimonial-card > .icon { width: 32px; height: 32px; color: #0066ff; }
.testimonial-card p { margin-top: 20px; color: #334155; font-size: 17px; font-weight: 700; line-height: 1.9; }
.testimonial-card span { display: block; margin-top: 20px; color: #8494a7; font-size: 13px; font-weight: 800; }

/* 资讯页 */
.news-layout { display: grid; gap: 40px; grid-template-columns: 2fr 1fr; align-items: start; }
.article-card { display: flex; gap: 24px; border: 1px solid #e2e8f0; border-radius: 26px; background: #fff; padding: 22px; box-shadow: 0 14px 36px rgba(10,37,64,.06); transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease; margin-bottom: 24px; }
.article-card:hover { transform: translateY(-5px); border-color: rgba(0,102,255,.32); box-shadow: 0 24px 60px rgba(10,37,64,.11); }
.article-cover { display: grid; width: 220px; min-height: 180px; flex: 0 0 220px; place-items: center; border-radius: 20px; background: radial-gradient(circle at 78% 22%, rgba(255,107,53,.32), transparent 30%), linear-gradient(135deg, #0a2540, #0066ff); color: #fff; }
.article-cover .icon { width: 32px; height: 32px; }
.article-main { min-width: 0; flex: 1; }
.article-meta { display: flex; flex-wrap: wrap; gap: 12px; color: #64748b; font-size: 13px; font-weight: 800; }
.article-meta .cat { color: #0066ff; }
.article-meta .date { display: inline-flex; align-items: center; gap: 5px; }
.article-meta .icon { width: 16px; height: 16px; }
.article-card h2 { margin-top: 10px; color: #0a2540; font-size: 24px; font-weight: 900; line-height: 1.4; transition: color .2s ease; }
.article-card:hover h2 { color: #0066ff; }
.article-card .excerpt { margin-top: 10px; color: #64748b; font-size: 14px; line-height: 1.8; }
.article-foot { margin-top: 16px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.sidebar-card { border: 1px solid #e2e8f0; border-radius: 24px; background: #fff; padding: 26px; box-shadow: 0 14px 36px rgba(10,37,64,.06); margin-bottom: 24px; }
.sidebar-card h3 { display: flex; align-items: center; gap: 8px; color: #0a2540; font-size: 20px; font-weight: 900; }
.sidebar-card h3 .icon { width: 20px; height: 20px; color: #ff6b35; }
.hot-list { margin-top: 20px; display: grid; gap: 16px; }
.hot-article { display: grid; grid-template-columns: 34px 1fr; gap: 12px; align-items: start; }
.hot-article span { display: grid; width: 30px; height: 30px; place-items: center; border-radius: 10px; background: #eef6ff; color: #0066ff; font-size: 13px; font-weight: 900; }
.hot-article p { color: #52677d; font-size: 14px; font-weight: 800; line-height: 1.6; }
.hot-article:hover p { color: #0066ff; }
.tag-cloud { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 8px; }

/* 文章详情 */
.article-detail-hero { background: radial-gradient(circle at 80% 20%, rgba(0,102,255,.13), transparent 30%), linear-gradient(135deg, #f5f9ff, #eaf2ff); padding: 158px 0 70px; }
.narrow { max-width: 960px; }
.article-head-meta { margin-top: 32px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px; font-size: 14px; color: #64748b; }
.article-cat { border-radius: 999px; background: #e5efff; padding: 5px 12px; color: #0066ff; font-weight: 800; }
.article-detail-hero h1 { margin-top: 20px; color: #0a2540; font-size: clamp(30px, 4.6vw, 48px); font-weight: 900; letter-spacing: -0.04em; line-height: 1.25; }
.article-lead { margin-top: 24px; max-width: 760px; color: #52677d; font-size: 18px; line-height: 1.9; }
.article-detail-cover { display: grid; height: 320px; place-items: center; border-radius: 30px; background: radial-gradient(circle at 78% 20%, rgba(255,107,53,.32), transparent 28%), linear-gradient(135deg, #0a2540, #0066ff); color: #fff; box-shadow: 0 26px 70px rgba(10,37,64,.18); }
.article-detail-cover .icon { width: 48px; height: 48px; }
.article-body { margin-top: 42px; }
.article-body p { color: #334155; font-size: 17px; line-height: 2.05; margin-bottom: 24px; }
.article-body p:first-child::first-letter { float: left; margin: 8px 10px 0 0; color: #0066ff; font-size: 52px; font-weight: 900; line-height: .9; }
.article-share { margin-top: 40px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; border-top: 1px solid #e2e8f0; border-bottom: 1px solid #e2e8f0; padding-block: 24px; }
.share-button { display: inline-flex; align-items: center; gap: 8px; border-radius: 999px; background: #0a2540; padding: 10px 16px; color: #fff; font-size: 14px; font-weight: 900; }
.share-button .icon { width: 16px; height: 16px; }
.related-grid { margin-top: 24px; display: grid; gap: 20px; grid-template-columns: repeat(3, 1fr); }
.related-article { border: 1px solid #e2e8f0; border-radius: 20px; background: #f8fbff; padding: 22px; transition: transform .22s ease, border-color .22s ease; }
.related-article:hover { transform: translateY(-4px); border-color: rgba(0,102,255,.34); }
.related-article span { color: #0066ff; font-size: 12px; font-weight: 900; }
.related-article h3 { margin-top: 9px; color: #0a2540; font-weight: 900; line-height: 1.55; }
.related-article p { margin-top: 12px; color: #8494a7; font-size: 13px; }
.related-title { margin-top: 56px; color: #0a2540; font-size: 24px; font-weight: 800; }

/* 联系页 */
.contact-info-card { display: flex; align-items: flex-start; gap: 16px; border: 1px solid #e2e8f0; border-radius: 20px; background: #fff; padding: 20px; box-shadow: 0 12px 30px rgba(10,37,64,.05); transition: transform .22s ease, border-color .22s ease; margin-bottom: 16px; }
a.contact-info-card:hover { transform: translateY(-3px); border-color: rgba(0,102,255,.32); }
.contact-info-card > .icon { width: 24px; height: 24px; color: #0066ff; margin-top: 2px; }
.contact-info-card span { display: block; color: #8494a7; font-size: 13px; font-weight: 800; }
.contact-info-card strong { display: block; margin-top: 5px; color: #0a2540; font-size: 16px; line-height: 1.6; font-weight: 800; }
.contact-form { display: grid; gap: 18px; border: 1px solid #e2e8f0; border-radius: 30px; background: #fff; padding: clamp(24px, 4vw, 38px); box-shadow: 0 24px 70px rgba(10,37,64,.1); }
.form-row { display: grid; gap: 20px; grid-template-columns: repeat(2, 1fr); }
.contact-form label { display: grid; gap: 8px; }
.contact-form label span { color: #334155; font-size: 14px; font-weight: 900; }
.contact-form input, .contact-form textarea { width: 100%; border: 1px solid #dbe5f0; border-radius: 15px; background: #f8fbff; padding: 14px 16px; color: #0a2540; outline: none; transition: border-color .2s ease, box-shadow .2s ease, background .2s ease; }
.contact-form input:focus, .contact-form textarea:focus { border-color: #0066ff; background: #fff; box-shadow: 0 0 0 4px rgba(0,102,255,.1); }
.contact-form .tech-button { width: 100%; border: none; }
.form-note { text-align: center; font-size: 12px; line-height: 1.8; color: #94a3b8; }

/* 404 / 缺省 */
.notfound { min-height: 62vh; display: grid; place-items: center; text-align: center; padding-block: 120px; }
.notfound h1 { margin-top: 16px; color: #0a2540; font-size: clamp(34px, 5vw, 56px); font-weight: 900; }
.notfound p { margin-top: 20px; color: #64748b; }
.notfound .tech-button { margin-top: 36px; }

/* 响应式 */
@media (max-width: 1279px) {
  .main-nav, .header-side { display: none; }
  .menu-btn { display: grid; }
  .mobile-panel { display: block; max-height: 0; overflow: hidden; border-top: 1px solid transparent; background: rgba(255,255,255,.97); box-shadow: 0 30px 70px rgba(10,37,64,.16); backdrop-filter: blur(18px); opacity: 0; transform: translateY(-8px); transition: opacity .22s ease, transform .22s ease, max-height .28s ease; }
  .mobile-panel.open { max-height: calc(100vh - 70px); opacity: 1; transform: translateY(0); border-top-color: #e2e8f0; }
  .mobile-panel-inner { display: grid; gap: 8px; padding-block: 20px; }
  .mobile-nav-link { border-radius: 14px; padding: 13px 14px; color: #334155; font-weight: 800; }
  .mobile-nav-link:hover, .mobile-nav-link.active { background: #eef6ff; color: #0066ff; }
  .mobile-contact { margin-top: 8px; text-align: center; border-radius: 999px; background: linear-gradient(135deg, #0066ff, #0052cf); color: #fff; padding: 12px 18px; font-weight: 800; }
  .mobile-phone { margin-top: 10px; display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 800; color: #0a2540; }
  .mobile-phone .icon { color: #0066ff; }
  .hero-controls { right: 24px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1023px) {
  .container { width: min(100% - 32px, 1200px); }
  .hero-shell { min-height: 680px; }
  .stats-grid, .process-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(3) { border-left: 0; }
  .stat-item:nth-child(n + 3) { border-top: 1px solid #e2e8f0; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .split, .split-even, .ai-head, .news-layout { grid-template-columns: 1fr; }
  .logo-cloud { grid-template-columns: repeat(3, 1fr); }
  .client-grid, .architecture-items { grid-template-columns: repeat(2, 1fr); }
  .architecture-layer { grid-template-columns: 1fr; }
  .ai-steps { grid-template-columns: repeat(3, 1fr); }
  .ai-step::after { display: none; }
  .article-card { flex-direction: column; }
  .article-cover { width: 100%; flex-basis: auto; }
  .quick-contact, .cta-banner { align-items: flex-start; flex-direction: column; }
  .related-grid { grid-template-columns: 1fr; }
}

@media (max-width: 767px) {
  .container { width: min(100% - 28px, 1200px); }
  .hero-shell { min-height: 720px; }
  .hero-title { font-size: clamp(40px, 12vw, 58px); }
  .hero-controls { bottom: 108px; left: 16px; right: auto; }
  .hero-wave { height: 72px; }
  .stats-grid, .process-grid, .client-grid, .architecture-items, .ai-steps, .grid-2, .grid-3, .grid-4, .form-row, .service-checks { grid-template-columns: 1fr; }
  .stat-item + .stat-item { border-left: 0; border-top: 1px solid #e2e8f0; }
  .logo-cloud { grid-template-columns: repeat(2, 1fr); }
  .timeline::before { left: 43px; }
  .timeline-item { grid-template-columns: 88px 1fr; gap: 14px; }
  .timeline-year { width: 72px; height: 72px; border-width: 5px; font-size: 13px; }
  .timeline-content { padding: 18px; }
  .about-visual-frame { min-height: 360px; }
  .about-visual-frame .dashboard-visual { inset: 38px 18px auto; }
  .ai-visual { height: 320px; }
  .ai-node.a { left: 0; } .ai-node.b { right: 0; } .ai-node.c { left: 8%; }
  .service-detail-visual { min-height: 320px; }
  .chip-visual { width: 250px; height: 250px; }
  .integration-visual { height: 300px; }
  .integration-screen { width: 160px; height: 132px; }
  .article-detail-cover { height: 220px; }
  .article-body p:first-child::first-letter { float: none; margin: 0; font-size: inherit; line-height: inherit; }
  .quick-contact a.qc-phone { width: 100%; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .float-action { width: 44px; height: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}