/* =====================================================================
   ENTROPRISM · 无序散射 — 企业官网 entroprism.cn
   HACKER / HIGH-TECH TERMINAL THEME · 静态 · 三语 · 响应式
   ===================================================================== */

:root {
  --bg: #04070b;
  --bg-2: #070d15;
  --panel: #0a1018;
  --panel-2: #0c1420;
  --line: #14283f;
  --line-glow: rgba(0, 255, 198, .28);
  --neon: #00ffc6;
  --neon-soft: #1fe0b0;
  --magenta: #ff3d9a;
  --cyan: #4d9fff;
  --amber: #ffb020;
  --txt: #d8f5ec;
  --txt-2: #8aa3b8;
  --txt-3: #51697f;
  --mono: "SFMono-Regular", "JetBrains Mono", Consolas, "Courier New", "Sarasa Mono SC", monospace;
  --sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, "Segoe UI", Arial, sans-serif;
  --cut: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  --cut-sm: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px));
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; overflow-x: hidden; }
[id] { scroll-margin-top: 84px; }
body {
  font-family: var(--sans); background: var(--bg); color: var(--txt);
  line-height: 1.7; -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
::selection { background: rgba(0, 255, 198, .25); color: #fff; }

.wrap { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 26px; }
.mono { font-family: var(--mono); }

/* ---------- 全局背景：网格 + 扫描线 ---------- */
.bg-fx { position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(1000px 600px at 82% -10%, rgba(0,255,198,.10), transparent 60%),
    radial-gradient(820px 560px at 4% 8%, rgba(77,159,255,.08), transparent 60%),
    radial-gradient(700px 500px at 50% 110%, rgba(255,61,154,.06), transparent 60%),
    var(--bg);
}
.bg-fx::before { content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,255,198,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,198,.045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 0%, #000, transparent 82%);
}
.scanlines { position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .5;
  background: repeating-linear-gradient(0deg, rgba(255,255,255,.022) 0 1px, transparent 1px 3px);
}

/* ---------- 顶部导航 ---------- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 60; border-bottom: 1px solid transparent; transition: .3s; }
.nav.scrolled { background: rgba(4,7,11,.85); backdrop-filter: blur(13px); border-bottom-color: var(--line); }
.nav-inner { height: 70px; display: flex; align-items: center; gap: 22px; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand img { width: 36px; height: 36px; clip-path: var(--cut-sm); }
.brand .b-cn { font-weight: 800; font-size: 14.5px; letter-spacing: .6px; line-height: 1.15; white-space: nowrap; }
.brand .b-en { font-family: var(--mono); font-size: 8px; letter-spacing: 1.6px; color: var(--neon); line-height: 1.25; white-space: nowrap; }
.nav-menu { display: flex; gap: 26px; margin-left: auto; }
.nav-menu a { font-family: var(--mono); font-size: 13px; color: var(--txt-2); letter-spacing: .5px; padding: 5px 0; position: relative; transition: color .2s; }
.nav-menu a .ix { color: var(--neon); opacity: .7; margin-right: 5px; font-size: 11px; }
.nav-menu a:hover, .nav-menu a.active { color: var(--neon); }
.nav-menu a::after { content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 0; background: var(--neon); box-shadow: 0 0 8px var(--neon); transition: width .25s; }
.nav-menu a:hover::after { width: 100%; }

/* 语言切换 */
.lang { display: flex; border: 1px solid var(--line); clip-path: var(--cut-sm); overflow: hidden; font-family: var(--mono); font-size: 12px; }
.lang button { background: var(--panel); color: var(--txt-3); border: 0; cursor: pointer; padding: 7px 11px; transition: .2s; letter-spacing: .5px; }
.lang button.on { background: var(--neon); color: #032018; font-weight: 700; }
.lang button:not(.on):hover { color: var(--neon); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); width: 42px; height: 38px; cursor: pointer; clip-path: var(--cut-sm); }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--neon); margin: 4px auto; box-shadow: 0 0 6px var(--neon); }

/* ---------- 通用 ---------- */
section { padding: 58px 0; position: relative; }
/* 锚点定位时为固定顶栏留出高度，避免标题被导航遮住 */
section[id] { scroll-margin-top: 84px; }
.sec-code { font-family: var(--mono); font-size: 12.5px; letter-spacing: 2.5px; color: var(--neon); margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.sec-code::after { content: ""; height: 1px; width: 54px; background: linear-gradient(90deg, var(--neon), transparent); }
.sec-title { font-size: clamp(25px, 3.4vw, 40px); font-weight: 800; letter-spacing: 1px; line-height: 1.25; }
.sec-sub { color: var(--txt-2); font-size: 16px; max-width: 760px; margin-top: 16px; }
.sec-head { margin-bottom: 34px; }
.neon { color: var(--neon); text-shadow: 0 0 18px rgba(0,255,198,.45); }
.cursor { display: inline-block; width: 10px; height: 1.05em; background: var(--neon); margin-left: 4px; vertical-align: -2px; animation: blink 1.05s steps(1) infinite; box-shadow: 0 0 10px var(--neon); }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- HERO ---------- */
.hero { padding: 178px 0 66px; }
.term-bar { font-family: var(--mono); font-size: 12.5px; color: var(--txt-3); display: flex; gap: 8px; align-items: center; margin-bottom: 26px; flex-wrap: wrap; }
.term-bar .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--neon); box-shadow: 0 0 8px var(--neon); animation: pulse 1.8s infinite; }
@keyframes pulse { 50% { opacity: .35; } }
.hero h1 { font-size: clamp(30px, 5.2vw, 58px); font-weight: 900; line-height: 1.16; letter-spacing: 1.5px; }
.hero h1 .grad { background: linear-gradient(100deg, #00ffc6, #7af9dd 40%, #4d9fff); -webkit-background-clip: text; background-clip: text; color: transparent; text-shadow: none; }
.hero .type-line { font-family: var(--mono); font-size: clamp(15px, 2vw, 20px); color: var(--neon); margin-top: 22px; min-height: 30px; }
.hero p.lead { margin-top: 20px; color: var(--txt-2); font-size: 16.5px; max-width: 680px; }
.hero-actions { display: flex; gap: 16px; margin-top: 38px; flex-wrap: wrap; }
.btn { font-family: var(--mono); display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-size: 14.5px; font-weight: 700; letter-spacing: 1px; padding: 13px 26px; clip-path: var(--cut-sm); border: 1px solid var(--neon); transition: .25s; position: relative; }
.btn-primary { background: var(--neon); color: #032018; }
.btn-primary:hover { background: #6bffe0; box-shadow: 0 0 26px rgba(0,255,198,.5); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--neon); }
.btn-ghost:hover { background: rgba(0,255,198,.08); box-shadow: inset 0 0 18px rgba(0,255,198,.15); transform: translateY(-2px); }
.btn .arr { transition: transform .25s; }
.btn:hover .arr { transform: translateX(4px); }

/* 跑马灯 */
.marquee { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-top: 64px; overflow: hidden; background: rgba(0,255,198,.025); }
.marquee-track { display: flex; gap: 46px; width: max-content; padding: 14px 0; animation: scroll 28s linear infinite; font-family: var(--mono); font-size: 13px; color: var(--txt-2); letter-spacing: 1px; }
.marquee-track span { display: inline-flex; align-items: center; gap: 10px; white-space: nowrap; }
.marquee-track span::before { content: "◆"; color: var(--neon); font-size: 9px; }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ---------- 终端窗口通用 ---------- */
.terminal { border: 1px solid var(--line); background: var(--panel); clip-path: var(--cut); }
.term-head { display: flex; align-items: center; gap: 8px; padding: 11px 15px; border-bottom: 1px solid var(--line); background: var(--panel-2); }
.term-head .tl { width: 10px; height: 10px; border-radius: 50%; }
.tl.r { background: #ff5f57; } .tl.y { background: #febc2e; } .tl.g { background: #28c840; }
.term-head .tt { font-family: var(--mono); font-size: 11.5px; color: var(--txt-3); margin-left: 8px; letter-spacing: 1px; }

/* ---------- 五大能力 ---------- */
.cap-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.cap { position: relative; border: 1px solid var(--line); background: linear-gradient(165deg, var(--panel-2), var(--panel)); padding: 30px 26px; clip-path: var(--cut); transition: .3s; overflow: hidden; }
.cap::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 2px; background: linear-gradient(90deg, var(--neon), transparent); opacity: 0; transition: .3s; }
.cap:hover { border-color: var(--line-glow); transform: translateY(-6px); box-shadow: 0 20px 50px -24px rgba(0,255,198,.4); }
.cap:hover::before { opacity: 1; }
.cap.span3 { grid-column: span 3; }
.cap.span2 { grid-column: span 2; }
.cap .cidx { font-family: var(--mono); font-size: 12px; color: var(--neon); letter-spacing: 2px; }
.cap .cico { width: 48px; height: 48px; margin: 18px 0 16px; display: grid; place-items: center; border: 1px solid var(--line-glow); background: rgba(0,255,198,.06); clip-path: var(--cut-sm); }
.cap .cico svg { width: 25px; height: 25px; stroke: var(--neon); fill: none; stroke-width: 1.6; }
.cap h3 { font-size: 20px; font-weight: 800; letter-spacing: .5px; }
.cap .cen { font-family: var(--mono); font-size: 11px; color: var(--txt-3); letter-spacing: 1.2px; margin: 5px 0 14px; }
.cap p { color: var(--txt-2); font-size: 14.5px; }
.cap ul { margin-top: 16px; display: grid; gap: 9px; }
.cap ul li { font-family: var(--mono); font-size: 12.8px; color: var(--txt-2); display: flex; gap: 9px; }
.cap ul li::before { content: ">"; color: var(--neon); }
.cap .c-more { display: inline-flex; align-items: center; gap: 7px; margin-top: 20px; font-family: var(--mono); font-size: 12.5px; letter-spacing: 1px; color: var(--neon); }
.cap .c-more .arr { transition: transform .25s; }
.cap:hover .c-more .arr { transform: translateX(5px); }

/* ---------- 技术矩阵 ---------- */
.matrix-wrap { display: grid; grid-template-columns: .9fr 1.1fr; gap: 30px; align-items: stretch; }
.term-body { padding: 18px 20px; font-family: var(--mono); font-size: 13px; line-height: 1.85; }
.term-body .ln { color: var(--txt-3); display: flex; gap: 12px; }
.term-body .ln .no { color: #33506a; user-select: none; flex: none; width: 26px; text-align: right; }
.term-body .k { color: var(--cyan); } .term-body .v { color: var(--neon); } .term-body .c { color: var(--txt-3); }
.stack-tags { display: flex; flex-wrap: wrap; gap: 10px; align-content: center; }
.stack-tags span { font-family: var(--mono); font-size: 12.5px; color: var(--txt-2); border: 1px solid var(--line); background: var(--panel); padding: 8px 14px; clip-path: var(--cut-sm); transition: .2s; }
.stack-tags span:hover { color: var(--neon); border-color: var(--line-glow); box-shadow: 0 0 14px rgba(0,255,198,.15); }

/* ---------- 优势 WHY ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.why { border: 1px solid var(--line); background: rgba(0,255,198,.02); padding: 26px 22px; clip-path: var(--cut-sm); }
.why .wn { font-family: var(--mono); color: var(--neon); font-size: 12px; letter-spacing: 1.5px; }
.why h4 { font-size: 16.5px; margin: 12px 0 9px; }
.why p { font-size: 13.6px; color: var(--txt-2); }

/* ---------- 联系 ---------- */
.contact-term { max-width: 880px; margin: 0 auto; }
.contact-term .term-body { padding: 40px; }
.contact-line { display: flex; gap: 16px; align-items: center; padding: 14px 0; border-bottom: 1px dashed var(--line); font-size: 15px; flex-wrap: wrap; }
.contact-line:last-child { border-bottom: 0; }
.contact-line .ck { font-family: var(--mono); color: var(--cyan); flex: none; min-width: 96px; }
.contact-line .cv { color: var(--txt); }
.contact-line a.mail { color: var(--neon); font-family: var(--mono); border-bottom: 1px solid rgba(0,255,198,.4); }
.contact-line a.mail:hover { text-shadow: 0 0 12px rgba(0,255,198,.6); }

/* ---------- 页脚 ---------- */
footer { border-top: 1px solid var(--line); background: var(--bg-2); padding: 48px 0 28px; }
.foot-top { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; padding-bottom: 26px; border-bottom: 1px solid var(--line); }
.foot-brand { display: flex; gap: 13px; align-items: center; }
.foot-brand img { width: 40px; height: 40px; clip-path: var(--cut-sm); }
.foot-brand .f-cn { font-weight: 800; font-size: 15px; }
.foot-brand .f-en { font-family: var(--mono); font-size: 10px; color: var(--txt-3); letter-spacing: .6px; }
.foot-links { display: flex; gap: 26px; align-items: center; font-family: var(--mono); font-size: 12.5px; color: var(--txt-3); }
.foot-links a:hover { color: var(--neon); }
.foot-bot { padding-top: 22px; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-family: var(--mono); font-size: 12px; color: var(--txt-3); }
.icp { color: var(--txt-3); }
.icp:hover { color: var(--neon); }

/* ---------- 滚动显现（渐进增强：无 JS 时内容默认可见） ---------- */
.reveal { transition: opacity .7s, transform .7s; }
html.js-anim .reveal { opacity: 0; transform: translateY(24px); }
html.js-anim .reveal.in { opacity: 1; transform: none; }
/* 尊重系统“减少动态效果”：全局关闭动画/过渡与平滑滚动（业界标准 reset） */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  html.js-anim .reveal { opacity: 1; transform: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1000px) {
  .cap-grid { grid-template-columns: 1fr 1fr; }
  .cap.span3, .cap.span2 { grid-column: span 1; }
  .matrix-wrap { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 1024px) {
  /* 提前折叠为汉堡菜单，避免 7 项导航 + 品牌 + 语言键在中窄屏挤压换行 */
  .nav-menu { position: fixed; top: 70px; left: 0; right: 0; flex-direction: column; gap: 0; background: rgba(4,7,11,.98); border-bottom: 1px solid var(--line); max-height: 0; overflow: hidden; transition: max-height .35s; }
  .nav-menu.open { max-height: 520px; }
  .nav-menu a { padding: 15px 24px; border-top: 1px solid var(--line); }
  .nav-toggle { display: block; margin-left: auto; }
  .lang { margin-left: auto; } .nav-toggle { margin-left: 0; }
}
@media (max-width: 600px) {
  section { padding: 44px 0; }
  .wrap { padding: 0 16px; }
  .hero { padding: 124px 0 48px; }
  .cap-grid, .why-grid { grid-template-columns: 1fr; }
  .contact-term .term-body { padding: 24px 18px; }
  /* 收紧顶部，避免较长公司名把导航撑出视口造成整页横向溢出 */
  .nav-inner { gap: 9px; }
  .brand { gap: 8px; min-width: 0; }
  .brand img { width: 30px; height: 30px; }
  .brand .b-cn { font-size: 12px; letter-spacing: .2px; }
  .brand .b-en { font-size: 6.4px; letter-spacing: .7px; }
  .lang { flex: none; }
  .lang button { padding: 6px 8px; font-size: 11px; }
  .nav-toggle { flex: none; width: 38px; height: 36px; }
  /* 窄屏下长英文 / 等宽串允许断行，杜绝个别 token 撑出横向滚动 */
  .term-body, .p-tag, .hero .lead, .contact-line .cv, .stack-tags span, .p-tags span { overflow-wrap: anywhere; word-break: break-word; }
}

/* =====================================================================
   产品 / 技术详情页（5 个子页共用，数据驱动渲染）
   ===================================================================== */
.p-hero { padding: 150px 0 58px; border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(0,255,198,.06), transparent 70%); }
.crumb { font-family: var(--mono); font-size: 12.5px; color: var(--txt-3); display: flex; gap: 9px; margin-bottom: 28px; flex-wrap: wrap; align-items: center; }
.crumb a { color: var(--txt-2); transition: color .2s; }
.crumb a:hover { color: var(--neon); }
.crumb .sep { color: var(--txt-3); }
.p-code { font-family: var(--mono); color: var(--neon); font-size: 12.5px; letter-spacing: 2.5px; margin-bottom: 18px; }
.p-hero h1 { font-size: clamp(27px, 4vw, 46px); font-weight: 900; letter-spacing: 1px; line-height: 1.2; }
.p-hero .p-en { font-family: var(--mono); color: var(--cyan); font-size: 13px; letter-spacing: 2px; margin: 14px 0 22px; }
.p-hero .p-tag { color: var(--txt-2); font-size: 16.5px; max-width: 920px; line-height: 1.9; border-left: 2px solid var(--neon); padding-left: 18px; }

.p-sec { padding: 66px 0 0; }
.p-sec-title { display: flex; align-items: center; gap: 14px; margin-bottom: 30px; }
.p-sec-title .n { font-family: var(--mono); color: var(--neon); font-size: 12px; letter-spacing: 1.5px; border: 1px solid var(--line-glow); padding: 5px 11px; clip-path: var(--cut-sm); }
.p-sec-title h2 { font-size: clamp(19px, 2.4vw, 27px); font-weight: 800; letter-spacing: .5px; }

.p-overview { display: grid; gap: 18px; max-width: 1000px; }
.p-overview p { color: var(--txt-2); font-size: 15.5px; line-height: 1.95; text-align: justify; }

.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.feature { border: 1px solid var(--line); background: var(--panel); padding: 24px 22px; clip-path: var(--cut); transition: .3s; }
.feature:hover { border-color: var(--line-glow); transform: translateY(-3px); box-shadow: 0 16px 40px -26px rgba(0,255,198,.5); }
.feature .ft { display: flex; gap: 10px; align-items: baseline; font-weight: 700; font-size: 16px; margin-bottom: 10px; color: var(--txt); }
.feature .ft::before { content: "▹"; color: var(--neon); font-family: var(--mono); }
.feature .fd { color: var(--txt-2); font-size: 14px; line-height: 1.8; }

.arch-layers { max-width: 1020px; border-top: 1px solid var(--line); }
.arch { display: grid; grid-template-columns: 210px 1fr; gap: 26px; padding: 22px 4px; border-bottom: 1px dashed var(--line); align-items: baseline; }
.arch .at { font-weight: 700; color: var(--neon); font-size: 15.5px; display: flex; gap: 10px; align-items: center; }
.arch .at .an { font-family: var(--mono); font-size: 11px; color: var(--txt-3); border: 1px solid var(--line); padding: 2px 8px; letter-spacing: 1px; }
.arch .ad { color: var(--txt-2); font-size: 14.5px; line-height: 1.8; }

.scene-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.scene { border: 1px solid var(--line); background: linear-gradient(165deg, var(--panel-2), var(--panel)); padding: 24px; clip-path: var(--cut-sm); transition: .3s; }
.scene:hover { border-color: var(--line-glow); transform: translateY(-3px); }
.scene .st { font-weight: 700; font-size: 16px; margin-bottom: 10px; color: var(--txt); }
.scene .st::before { content: "▸ "; color: var(--cyan); font-family: var(--mono); }
.scene .sd { color: var(--txt-2); font-size: 14px; line-height: 1.8; }

.p-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.p-tags span { font-family: var(--mono); font-size: 12.5px; color: var(--txt-2); border: 1px solid var(--line); background: var(--panel); padding: 8px 14px; clip-path: var(--cut-sm); }

.edge-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.edge { border: 1px solid var(--line-glow); background: rgba(0,255,198,.03); padding: 24px; clip-path: var(--cut); }
.edge .et { font-weight: 800; font-size: 16.5px; color: var(--neon); margin-bottom: 10px; display: flex; gap: 9px; align-items: baseline; }
.edge .et::before { content: "◆"; font-size: 10px; }
.edge .ed { color: var(--txt-2); font-size: 14px; line-height: 1.8; }

.cta-band { margin-top: 80px; border: 1px solid var(--line-glow); background: linear-gradient(120deg, rgba(0,255,198,.09), rgba(77,159,255,.05)); padding: 42px 40px; clip-path: var(--cut); display: flex; justify-content: space-between; gap: 26px; align-items: center; flex-wrap: wrap; }
.cta-band .ct { font-size: 21px; font-weight: 800; margin-bottom: 9px; }
.cta-band .cd { color: var(--txt-2); font-size: 14.5px; max-width: 660px; line-height: 1.8; }

.pager { display: flex; justify-content: space-between; gap: 14px; margin-top: 46px; flex-wrap: wrap; align-items: center; }
.pager a { font-family: var(--mono); font-size: 13px; border: 1px solid var(--line); background: var(--panel); padding: 13px 20px; clip-path: var(--cut-sm); color: var(--txt-2); display: inline-flex; gap: 10px; align-items: center; transition: .25s; }
.pager a:hover { color: var(--neon); border-color: var(--line-glow); }
.pager .pg-label { color: var(--txt-3); font-size: 10.5px; display: block; letter-spacing: 1px; }
.pager .pg-name { color: var(--txt); font-size: 13px; }
.pager .pg-mid { order: 2; }
.pager .pg-prev { order: 1; }
.pager .pg-next { order: 3; text-align: right; }

.p-foot-gap { height: 90px; }

@media (max-width: 860px) {
  .feature-grid, .scene-grid, .edge-grid { grid-template-columns: 1fr; }
  .arch { grid-template-columns: 1fr; gap: 8px; }
  .cta-band { padding: 30px 22px; }
  .p-hero { padding: 120px 0 44px; }
}
@media (max-width: 600px) {
  .pager { flex-direction: column; align-items: stretch; }
  .pager a { justify-content: center; }
  .pager .pg-mid { order: 0; }
}