/* ============================================================
   炜图科技 · 全站设计系统 v2
   风格：深空科技 / 玻璃拟态 / 渐变光效 —— 面向企业级商业场景
   ============================================================ */

:root {
  /* 底色层次 */
  --bg: #05070E;
  --bg-2: #080C16;
  --bg-3: #0B1120;
  --panel: rgba(255, 255, 255, .035);
  --panel-2: rgba(255, 255, 255, .06);
  --line: rgba(255, 255, 255, .09);
  --line-2: rgba(255, 255, 255, .16);

  /* 文字 */
  --ink: #EAF0FF;
  --ink-2: #9DAECB;
  --ink-3: #66748F;

  /* 品牌色 */
  --primary: #2E6BFF;
  --primary-d: #1B4FE0;
  --cyan: #17E0FF;
  --violet: #8B5CF6;
  --ok: #22D39A;
  --warn: #FFB020;
  --danger: #FF5C68;

  /* 渐变与光效 */
  --grad-brand: linear-gradient(120deg, #2E6BFF 0%, #17E0FF 100%);
  --grad-brand-r: linear-gradient(120deg, #17E0FF 0%, #2E6BFF 100%);
  --grad-violet: linear-gradient(120deg, #8B5CF6 0%, #2E6BFF 100%);
  --grad-text: linear-gradient(96deg, #FFFFFF 0%, #D6E6FF 38%, #17E0FF 100%);
  --glow-sm: 0 8px 24px -8px rgba(46, 107, 255, .60);
  --glow: 0 18px 56px -14px rgba(46, 107, 255, .70);
  --shadow-card: 0 24px 60px -24px rgba(0, 0, 0, .85);

  /* 形状 */
  --r-xs: 8px;
  --r-sm: 12px;
  --r: 18px;
  --r-lg: 26px;
  --pad-x: clamp(20px, 4.8vw, 150px); /* 全屏铺开的两侧呼吸边距（宽屏同步放大） */
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

/* 蜜罐字段：视觉上移出屏幕，正常访客不可见 */
.hp-field { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }

/* hidden 属性优先级最高：防止组件 display:flex/inline-flex 覆盖 UA 默认隐藏 */
[hidden] { display: none !important; }

html { scroll-behavior: smooth; scroll-padding-top: clamp(100px, 6.6vw, 150px); }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  /* 全局网格底纹 */
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .022) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 30%, transparent 78%);
}

img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }
a { color: inherit; }

.container { width: 100%; max-width: none; margin: 0 auto; padding: 0 var(--pad-x); position: relative; z-index: 1; }

/* ---------- 通用文字 ---------- */
.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  color: var(--cyan);
}
.eyebrow::before {
  content: ""; width: 22px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan));
}

/* ============================================================
   按钮
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid transparent; border-radius: var(--r-xs);
  font-size: 15px; font-weight: 600; padding: 12px 26px;
  text-decoration: none; white-space: nowrap;
  transition: transform .2s cubic-bezier(.2, .8, .3, 1), box-shadow .25s, background .2s, border-color .2s, color .2s;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--grad-brand); color: #fff;
  box-shadow: var(--glow-sm);
  position: relative; overflow: hidden;
}
.btn-primary::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 20%, rgba(255, 255, 255, .35) 50%, transparent 80%);
  transform: translateX(-130%);
  transition: transform .7s ease;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--glow); }
.btn-primary:hover::after { transform: translateX(130%); }

.btn-ghost {
  background: rgba(255, 255, 255, .04); color: var(--ink);
  border-color: var(--line-2); backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--cyan); color: #fff; background: rgba(23, 224, 255, .08); }

.btn-outline {
  background: transparent; color: var(--primary); border-color: rgba(46, 107, 255, .5);
  padding: 9px 18px; font-size: 14px; border-radius: var(--r-xs);
}
.btn-outline:hover { background: rgba(46, 107, 255, .12); border-color: var(--primary); }

.btn-lg { padding: 17px 40px; font-size: 17px; border-radius: var(--r-sm); }
.btn-block { width: 100%; }
.btn-sm { padding: 9px 18px; font-size: 14px; }

.btn-ghost-sm {
  font-size: clamp(13px, .95vw, 18px); padding: clamp(8px, .66vw, 14px) clamp(16px, 1.1vw, 26px); background: transparent; color: var(--ink-2);
  border: 1px solid var(--line); border-radius: var(--r-xs);
}
.btn-ghost-sm:hover { border-color: var(--cyan); color: #fff; }
.btn-primary-sm { font-size: clamp(13px, .95vw, 18px); padding: clamp(8px, .66vw, 14px) clamp(18px, 1.25vw, 30px); border-radius: var(--r-xs); }

.btn-wechat {
  background: rgba(34, 211, 154, .12); color: #4ADEB0; border: 1px solid rgba(34, 211, 154, .35);
}
.btn-wechat:hover { background: rgba(34, 211, 154, .2); }

.linklike { background: none; border: none; color: var(--ink-3); font-size: 13px; padding: 4px 8px; }
.linklike.active { color: var(--cyan); font-weight: 600; }

/* ============================================================
   顶部导航
   ============================================================ */
/* 页头：底部两角圆角 + 玻璃拟态（2026-10-10 改版；原为全宽直角 + 1px 灰线）
   ① 圆角只有在「内容从下方掠过」时才明显 —— 未滚动时下方是同色系的 hero 渐变。
      所以额外用 inset 阴影在底边勾一道 1px 浅色高光，让圆角形状在页面顶部也读得出来。
   ② 圆角只裁背景，**不裁子元素**（这里没有 overflow:hidden），
      移动端的 .nav 下拉菜单仍能正常在页头下方展开。
   ③ ≤960px 时页头只有 78px 高，28px 圆角占比过大，降到 18px（见响应式段）。 */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(6, 9, 18, .80);
  backdrop-filter: blur(18px) saturate(160%);
  border-radius: 0 0 28px 28px;
  box-shadow: 0 22px 48px -26px rgba(0, 0, 0, .95), inset 0 -1px 0 rgba(255, 255, 255, .08);
  transition: background .3s, box-shadow .3s;
}
.site-header.scrolled {
  background: rgba(6, 9, 18, .90);
  box-shadow: 0 26px 58px -26px rgba(0, 0, 0, .98), inset 0 -1px 0 rgba(255, 255, 255, .11);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: clamp(82px, 6vw, 136px); gap: clamp(20px, 1.6vw, 42px);
}
.brand { display: flex; align-items: center; gap: clamp(14px, 1.05vw, 24px); text-decoration: none; min-width: 0; }
.brand-mark {
  width: clamp(50px, 3.35vw, 80px); height: auto; flex-shrink: 0;
  filter: drop-shadow(0 0 12px rgba(220, 38, 38, .45));
}
.brand-word { height: clamp(40px, 2.75vw, 64px); width: auto; display: block; flex-shrink: 1; min-width: 0; object-fit: contain; }
.brand-mark-footer { width: 56px; filter: drop-shadow(0 0 16px rgba(220, 38, 38, .55)); }
.brand-word-footer { height: 44px; }

.nav { display: flex; gap: clamp(4px, .35vw, 9px); align-items: center; }
.nav-link {
  position: relative; font-size: clamp(14.5px, 1vw, 19.5px); color: var(--ink-2); text-decoration: none;
  padding: clamp(9px, .72vw, 14px) clamp(14px, 1.05vw, 24px); border-radius: var(--r-xs); transition: color .2s, background .2s;
  white-space: nowrap;
}
.nav-link:hover { color: #fff; background: rgba(255, 255, 255, .05); }
.nav-link.active { color: #fff; }
.nav-link.active::after {
  content: ""; position: absolute; left: clamp(14px, 1.05vw, 24px); right: clamp(14px, 1.05vw, 24px); bottom: 4px; height: 2px;
  background: var(--grad-brand); border-radius: 2px;
  box-shadow: 0 0 12px rgba(23, 224, 255, .9);
}
.auth-area { display: flex; gap: clamp(10px, .78vw, 16px); align-items: center; }
.header-right { display: flex; align-items: center; gap: clamp(10px, .82vw, 18px); }

.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: var(--r-xs); padding: 8px; }
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; }
.nav-toggle span + span { margin-top: 4px; }

/* ============================================================
   Hero
   ============================================================ */
.hero { position: relative; overflow: hidden; padding: clamp(72px, 8vw, 132px) 0 clamp(84px, 9vw, 156px); }
.hero::before, .hero::after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(90px); z-index: 0;
}
.hero::before {
  width: 720px; height: 720px; top: -320px; left: -160px;
  background: radial-gradient(circle, rgba(46, 107, 255, .42), transparent 68%);
  animation: floatA 14s ease-in-out infinite;
}
.hero::after {
  width: 620px; height: 620px; top: -180px; right: -180px;
  background: radial-gradient(circle, rgba(23, 224, 255, .26), transparent 68%);
  animation: floatB 18s ease-in-out infinite;
}
@keyframes floatA { 0%,100% { transform: translate(0,0); } 50% { transform: translate(40px,50px); } }
@keyframes floatB { 0%,100% { transform: translate(0,0); } 50% { transform: translate(-50px,40px); } }

.hero-inner { display: flex; align-items: center; gap: clamp(48px, 5vw, 96px); }
.hero-copy { flex: 1 1 55%; display: flex; flex-direction: column; gap: 30px; align-items: flex-start; min-width: 0; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(23, 224, 255, .08);
  border: 1px solid rgba(23, 224, 255, .28);
  color: #A9E9FF; font-size: 14.5px; font-weight: 500;
  padding: 9px 20px; border-radius: 999px;
  backdrop-filter: blur(8px);
}
.hero-badge i {
  width: 6px; height: 6px; border-radius: 50%; background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan); animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .45; transform: scale(.7); } }

.hero h1 {
  font-size: clamp(44px, 5.2vw, 86px); line-height: 1.18; font-weight: 800; letter-spacing: -.015em;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-sub { color: var(--ink-2); font-size: clamp(16px, 1.4vw, 22px); line-height: 1.9; max-width: 780px; }
.hero-btns { display: flex; gap: 18px; margin-top: 8px; flex-wrap: wrap; }
.hero-trust {
  display: flex; align-items: center; gap: 12px;
  color: var(--ink-3); font-size: 14.5px; margin-top: 10px;
}
.hero-trust::before {
  content: ""; width: 26px; height: 1px; background: linear-gradient(90deg, var(--primary), transparent);
}

/* Hero 视觉：玻璃面板 + 悬浮卡片 */
.hero-visual { flex: 1 1 48%; position: relative; min-width: 0; }
.hero-frame {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--line-2);
  background: linear-gradient(160deg, rgba(46, 107, 255, .16), rgba(5, 7, 14, .9));
  box-shadow: 0 40px 90px -30px rgba(46, 107, 255, .55);
}
.hero-frame img { width: 100%; display: block; }
.hero-frame::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(5, 7, 14, .85));
  pointer-events: none;
}
.float-card {
  position: absolute; z-index: 3;
  display: flex; align-items: center; gap: 10px;
  background: rgba(10, 16, 30, .78);
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm); padding: 12px 16px;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card);
  animation: floaty 6s ease-in-out infinite;
}
.float-card .fc-num { font-size: 19px; font-weight: 800; color: #fff; line-height: 1.2; }
.float-card .fc-label { font-size: 11px; color: var(--ink-3); }
.float-card .fc-icon {
  width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center;
  background: var(--grad-brand); flex-shrink: 0;
}
.fc-1 { top: 26px; left: -26px; animation-delay: 0s; }
.fc-2 { bottom: 30px; right: -22px; animation-delay: 1.6s; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* ============================================================
   行业场景 · 透明描边轮动带（Outline Marquee）
   —— 透明底 + 空心描边大字 + 两侧渐隐：克制、透气、有分量
   ============================================================ */
.marquee-band {
  position: relative;
  border: 0; background: transparent;
  padding: clamp(22px, 2.2vw, 40px) 0 clamp(28px, 2.4vw, 46px);
  overflow: hidden;
  --mq-gap: clamp(16px, 1.6vw, 34px);
  --mq-size-d: clamp(14px, 1.6vw, 32px); /* 字号/图片高度的默认档（后台未设置时生效） */
}
/* 上下各一道由中心向两侧淡出的光带，替代原来的实线分隔 */
.marquee-band::before,
.marquee-band::after {
  content: ""; position: absolute; left: 0; right: 0; height: 1px; z-index: 1;
  background: linear-gradient(90deg, transparent 0%, rgba(122, 168, 255, .16) 18%, rgba(23, 224, 255, .40) 50%, rgba(122, 168, 255, .16) 82%, transparent 100%);
  pointer-events: none;
}
.marquee-band::before { top: 0; }
.marquee-band::after { bottom: 0; }

/* 中央柔光，让透明区域不显空 */
.marquee-glow {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(58% 130% at 50% 50%, rgba(46, 107, 255, .16), transparent 72%);
}

.marquee-label {
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: center;
  gap: clamp(16px, 1.8vw, 32px);
  font-size: clamp(13px, 1.05vw, 19px); font-weight: 500;
  letter-spacing: .3em; text-indent: .3em;
  color: rgba(178, 196, 224, .78);
  text-transform: uppercase;
  margin-bottom: clamp(16px, 1.8vw, 30px);
}
.marquee-label::before, .marquee-label::after {
  content: ""; width: clamp(46px, 9vw, 190px); height: 1px; flex: none;
}
.marquee-label::before { background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .28)); }
.marquee-label::after { background: linear-gradient(90deg, rgba(255, 255, 255, .28), transparent); }

.marquee-mask {
  position: relative; z-index: 1; overflow: hidden;
  /* 上下留出投影空间（负 margin 抵消布局占位），否则立体阴影会被裁平 */
  padding: 20px 0 30px; margin: -20px 0 -30px;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 12%, #000 88%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 12%, #000 88%, transparent 100%);
}
.marquee {
  display: flex; align-items: center; gap: var(--mq-gap);
  width: max-content;
  /* 滚动由 home.js 直接写 transform 驱动（rAF + 定时器双路保底），
     不使用 CSS animation：避免被系统「减少动态效果」、
     浏览器省电/极速模式或旧内核禁用/节流后看起来纹丝不动 */
  will-change: transform;
}
.marquee span {
  position: relative;
  font-size: var(--mq-size, var(--mq-size-d));
  font-weight: 700; line-height: 1.15; letter-spacing: .005em;
  white-space: nowrap;
  /* 单一平滑渐变（纵向只做一次明暗过渡），不加描边：字面干净，不会有拼接感 */
  background: linear-gradient(180deg,
    rgba(255, 255, 255, .96) 0%,
    rgba(206, 226, 255, .78) 58%,
    rgba(152, 186, 236, .58) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  -webkit-text-stroke: 0;
  /* 只留一层柔和落影，避免多重阴影叠出重影纹理 */
  filter:
    drop-shadow(0 2px 3px rgba(0, 0, 0, .42))
    drop-shadow(0 8px 18px rgba(46, 107, 255, .26));
  transition: transform .55s cubic-bezier(.2, .8, .3, 1), filter .55s ease;
}
/* 词间渐变小圆点 */
.marquee span::after {
  content: ""; position: absolute; top: 50%; right: calc(var(--mq-gap) / -2);
  width: clamp(3px, .2vw, 5px); height: clamp(3px, .2vw, 5px);
  border-radius: 50%;
  background: var(--grad-brand);
  box-shadow: 0 0 10px rgba(23, 224, 255, .5);
  opacity: .45;
  transform: translate(50%, -50%);
  transition: opacity .5s ease, transform .5s ease, box-shadow .5s ease;
}
/* 指向某个词：整词轻微上浮，投影拉远，形成「被托起来」的悬浮反馈 */
.marquee span:hover {
  transform: translateY(-4px);
  filter:
    drop-shadow(0 4px 6px rgba(0, 0, 0, .42))
    drop-shadow(0 10px 22px rgba(23, 224, 255, .40));
}
.marquee span:hover::after {
  opacity: 1; transform: translate(50%, -50%) scale(1.5);
  box-shadow: 0 0 22px rgba(23, 224, 255, .9);
}
/* 位移 = 半组 + 半个间距，保证循环无缝无跳帧 */

/* 后台配置的纯色文字模式：实色背景 + 既有 background-clip:text → 文字呈纯色，渐变阴影保留 */
.marquee-band.solid-text .marquee span { background: var(--mq-color, #EAF2FF); }

/* ===== 管理后台：留言回复 + 回复展示 ===== */
.msg-reply { border-left: 3px solid #39d98a; padding-left: 12px; color: #b9e8cf; }
.reply-box { margin-top: 10px; display: flex; flex-direction: column; gap: 8px; }
.reply-box textarea {
  width: 100%; min-height: 84px; resize: vertical;
  background: rgba(255, 255, 255, .06); color: #fff;
  border: 1px solid rgba(255, 255, 255, .14); border-radius: 8px;
  padding: 10px 12px; font-size: 14px; line-height: 1.7; font-family: inherit;
}
.reply-box textarea:focus { outline: none; border-color: rgba(23, 224, 255, .55); }
.reply-ops { display: flex; gap: 8px; }
.op.op-primary { color: #17e0ff; border-color: rgba(23, 224, 255, .4); }

/* 跑马灯图片条目：任意尺寸/长宽比自动等比缩放到与文字同高，超宽图封顶，不变形 */
.marquee img.mq-img {
  display: block; flex: none;
  height: calc(var(--mq-size, var(--mq-size-d)) * 1.2);
  width: auto; max-width: calc(var(--mq-size, var(--mq-size-d)) * 8);
  object-fit: contain;
  border-radius: 6px;
  filter:
    drop-shadow(0 2px 3px rgba(0, 0, 0, .42))
    drop-shadow(0 8px 18px rgba(46, 107, 255, .26));
  transition: transform .55s cubic-bezier(.2, .8, .3, 1), filter .55s ease;
}
.marquee img.mq-img:hover {
  transform: translateY(-4px);
  filter:
    drop-shadow(0 4px 6px rgba(0, 0, 0, .42))
    drop-shadow(0 10px 22px rgba(23, 224, 255, .40));
}

/* ============================================================
   数据栏
   ============================================================ */
.stats-band { padding: clamp(96px, 9vw, 160px) 0; border-bottom: 1px solid var(--line); }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(18px, 2vw, 30px); }
.stat {
  position: relative; padding: clamp(26px, 2.4vw, 38px); border-radius: var(--r);
  background: var(--panel); border: 1px solid var(--line);
  overflow: hidden; transition: border-color .3s, transform .3s;
  text-align: center;
}
.stat::before {
  content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 2px;
  background: var(--grad-brand); opacity: .8;
}
.stat:hover { transform: translateY(-4px); border-color: rgba(23, 224, 255, .45); }
.stat-num {
  font-size: clamp(40px, 3.5vw, 64px); font-weight: 800; letter-spacing: -.02em; line-height: 1.12;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-label { color: var(--ink-2); font-size: 19px; margin-top: 12px; }

/* ============================================================
   企业宣传视频
   ============================================================ */
.video-band { padding: clamp(78px, 8.5vw, 168px) 0 clamp(84px, 9vw, 178px); position: relative; overflow: hidden; }
.video-band::before {
  content: ""; position: absolute; left: 50%; top: 8%; transform: translateX(-50%);
  width: min(1200px, 88vw); aspect-ratio: 2.4 / 1; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(46, 107, 255, .17), transparent 72%);
  filter: blur(40px); pointer-events: none;
}
.video-frame {
  position: relative; max-width: clamp(920px, 64vw, 1500px); margin: 0 auto;
  border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--line-2);
  background: linear-gradient(160deg, rgba(46, 107, 255, .16), rgba(5, 7, 14, .9));
  box-shadow: 0 50px 120px -42px rgba(46, 107, 255, .55);
}
.video-frame::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(5, 7, 14, .12), transparent 30% 62%, rgba(5, 7, 14, .78));
}
.video-frame img { width: 100%; display: block; aspect-ratio: 16 / 9; object-fit: cover; }
.video-play {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: clamp(74px, 6vw, 106px); aspect-ratio: 1; border-radius: 50%;
  display: grid; place-items: center; cursor: pointer; z-index: 2;
  background: rgba(10, 16, 30, .55);
  border: 1px solid rgba(23, 224, 255, .45);
  backdrop-filter: blur(10px);
  transition: transform .3s cubic-bezier(.2, .8, .3, 1), box-shadow .3s, border-color .3s, background .3s;
}
.video-play::before {
  content: ""; position: absolute; inset: -1px; border-radius: 50%;
  border: 1px solid rgba(23, 224, 255, .55);
  animation: vpPulse 2.4s ease-out infinite; pointer-events: none;
}
@keyframes vpPulse { 0% { transform: scale(1); opacity: .85; } 100% { transform: scale(1.85); opacity: 0; } }
.video-play svg { width: 32%; margin-left: 7%; fill: #fff; filter: drop-shadow(0 0 14px rgba(23, 224, 255, .85)); }
.video-play:hover {
  transform: translate(-50%, -50%) scale(1.09);
  border-color: rgba(23, 224, 255, .95);
  background: rgba(46, 107, 255, .38);
  box-shadow: 0 0 0 12px rgba(23, 224, 255, .10), 0 24px 70px -14px rgba(46, 107, 255, .85);
}
.video-chip {
  position: absolute; z-index: 2;
  display: inline-flex; align-items: center; gap: 8px;
  font-size: clamp(12px, .85vw, 14px); font-weight: 600; letter-spacing: .06em;
  color: #CFE2FF; background: rgba(8, 12, 22, .72);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 7px 14px; backdrop-filter: blur(8px);
}
.video-chip::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.video-chip.tag { top: clamp(16px, 1.6vw, 28px); left: clamp(16px, 1.6vw, 28px); }
.video-chip.dur { bottom: clamp(16px, 1.6vw, 28px); right: clamp(16px, 1.6vw, 28px); font-family: var(--mono); letter-spacing: .04em; }

/* 视频灯箱 */
.video-lightbox { position: fixed; inset: 0; z-index: 260; display: grid; place-items: center; }
.video-lightbox[hidden] { display: none; }
.vl-backdrop { position: absolute; inset: 0; background: rgba(3, 5, 10, .88); backdrop-filter: blur(12px); animation: vlFade .25s ease; }
@keyframes vlFade { from { opacity: 0; } to { opacity: 1; } }
.vl-panel { position: relative; width: min(1180px, 92vw); z-index: 1; animation: vlIn .32s cubic-bezier(.2, .8, .3, 1); }
@keyframes vlIn { from { opacity: 0; transform: translateY(26px) scale(.97); } to { opacity: 1; transform: none; } }
.vl-close {
  position: absolute; top: -54px; right: 0; width: 42px; height: 42px;
  border-radius: 50%; border: 1px solid var(--line-2); cursor: pointer;
  background: rgba(10, 16, 30, .7); color: #fff; font-size: 20px; line-height: 1;
  display: grid; place-items: center; transition: border-color .25s, transform .25s, background .25s;
}
.vl-close:hover { border-color: var(--cyan); background: rgba(23, 224, 255, .14); transform: rotate(90deg); }
.vl-stage {
  border-radius: var(--r); overflow: hidden; border: 1px solid var(--line-2);
  background: #000; aspect-ratio: 16 / 9;
  box-shadow: 0 60px 150px -40px rgba(0, 0, 0, .95);
}
.vl-stage video, .vl-stage iframe { width: 100%; height: 100%; border: 0; display: block; }
.vl-msg { height: 100%; display: grid; place-items: center; text-align: center; padding: 40px; }
.vl-msg strong { display: block; font-size: clamp(19px, 1.5vw, 24px); color: #fff; font-weight: 700; }
.vl-msg span { display: block; margin-top: 12px; color: var(--ink-2); font-size: 15.5px; line-height: 1.8; }
/* 手机端：面板按竖屏取宽，播放区高度同时受视口高度与 16:9 约束，保证整屏可见、可点关闭 */
@media (max-width: 860px) {
  .vl-panel { width: 94vw; }
  .vl-stage { aspect-ratio: auto; height: min(56vh, 52.9vw); }
  .vl-close { top: -48px; width: 38px; height: 38px; font-size: 18px; }
}

/* ============================================================
   区块通用
   ============================================================ */
.section { padding: clamp(78px, 8.5vw, 168px) 0; position: relative; }
.section-alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { text-align: center; max-width: 1000px; margin: 0 auto clamp(48px, 4.5vw, 76px); }
.section-head h2 {
  font-size: clamp(32px, 3.5vw, 64px); font-weight: 800; letter-spacing: -.02em; line-height: 1.28;
  color: #fff; margin-top: 18px;
  text-wrap: balance;
}
.section-head p { color: var(--ink-2); font-size: clamp(17px, 1.2vw, 20px); margin-top: 18px; line-height: 1.9; }
.section-head.left { text-align: left; margin-left: 0; }

.grid { display: grid; gap: clamp(20px, 2vw, 32px); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ============================================================
   玻璃卡片
   ============================================================ */
.card {
  position: relative; border-radius: var(--r);
  background: linear-gradient(165deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .02));
  border: 1px solid var(--line);
  padding: clamp(30px, 2.6vw, 42px);
  transition: transform .35s cubic-bezier(.2, .8, .3, 1), border-color .3s, box-shadow .35s;
  overflow: hidden;
}
.card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(46, 107, 255, .16), transparent 62%);
  opacity: 0; transition: opacity .35s; pointer-events: none;
}
.card:hover { transform: translateY(-6px); border-color: rgba(23, 224, 255, .42); box-shadow: var(--shadow-card); }
.card:hover::after { opacity: 1; }

.icon-tile {
  width: 60px; height: 60px; border-radius: 17px;
  display: grid; place-items: center; margin-bottom: 26px;
  background: linear-gradient(150deg, rgba(46, 107, 255, .28), rgba(23, 224, 255, .12));
  border: 1px solid rgba(23, 224, 255, .3);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .18);
}
.service-card h3 { font-size: 24px; font-weight: 700; color: #fff; }
.card-sub { color: var(--cyan); font-size: 15.5px; font-weight: 600; margin-top: 6px; }
.service-card p { color: var(--ink-2); font-size: 16.5px; line-height: 1.88; margin-top: 16px; }
.card-media {
  border-radius: var(--r-sm); overflow: hidden; aspect-ratio: 16 / 9.8;
  margin-bottom: 20px; border: 1px solid var(--line);
}
.card-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.service-card:hover .card-media img { transform: scale(1.05); }

/* 能力亮点（图卡） */
.hl-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.hl-cover {
  aspect-ratio: 16 / 9.8; overflow: hidden; border-bottom: 1px solid var(--line);
  position: relative;
}
.hl-cover::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(10, 14, 30, .55));
  pointer-events: none;
}
.hl-cover img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.hl-card:hover .hl-cover img { transform: scale(1.05); }
.hl-body { padding: clamp(22px, 2vw, 30px) clamp(24px, 2.2vw, 34px) clamp(26px, 2.2vw, 34px); }
.hl-body h3 { font-size: clamp(20px, 1.5vw, 24px); font-weight: 700; color: #fff; }
.hl-body p { color: var(--ink-2); font-size: clamp(15px, 1.1vw, 16.5px); line-height: 1.88; margin-top: 12px; }
.card-tags {
  margin-top: 24px; padding-top: 20px; border-top: 1px dashed var(--line);
  color: var(--ink-3); font-size: 13px; line-height: 1.7; letter-spacing: .03em;
}
.card-link {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 20px;
  font-size: 15px; font-weight: 600; color: var(--cyan); text-decoration: none;
}
.card-link::after { content: "→"; transition: transform .25s; }
.card-link:hover::after { transform: translateX(4px); }

/* ============================================================
   案例
   ============================================================ */
.case-card { padding: 0; cursor: pointer; }
.case-cover {
  aspect-ratio: 16 / 9.8; position: relative; display: grid; place-items: center;
  overflow: hidden;
}
.case-cover::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .09) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: .5;
}
.case-cover svg { position: relative; z-index: 1; transition: transform .45s; }
.case-cover img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.case-card:hover .case-cover svg { transform: scale(1.12) rotate(-3deg); }
.case-card:hover .case-cover img { transform: scale(1.06); }
.case-body { padding: 26px 30px 32px; }
.case-body h3 { font-size: 20px; font-weight: 700; color: #fff; line-height: 1.55; }
.case-tag {
  display: inline-block; margin-top: 12px; font-size: 12.5px; font-weight: 600;
  color: var(--cyan); background: rgba(23, 224, 255, .1);
  border: 1px solid rgba(23, 224, 255, .25);
  padding: 4px 13px; border-radius: 999px;
}
.case-desc {
  color: var(--ink-2); font-size: 14.5px; line-height: 1.8; margin-top: 12px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.case-card .case-tag { margin-top: 14px; }
.case-meta { color: var(--ink-3); font-size: 14px; margin-top: 14px; line-height: 1.8; }

/* 筛选标签 */
.filter-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 52px; }
.filter-chip {
  background: var(--panel); border: 1px solid var(--line); color: var(--ink-2);
  padding: 11px 24px; border-radius: 999px; font-size: 15px; font-weight: 500;
  transition: all .22s;
}
.filter-chip:hover { border-color: var(--line-2); color: #fff; }
.filter-chip.active {
  background: var(--grad-brand); border-color: transparent; color: #fff;
  box-shadow: var(--glow-sm);
}

/* ============================================================
   新闻
   ============================================================ */
.news-list { display: flex; flex-direction: column; }
.news-item {
  display: flex; gap: clamp(22px, 2.4vw, 38px); align-items: center;
  padding: clamp(24px, 2.4vw, 36px) clamp(18px, 1.8vw, 28px); border-radius: var(--r);
  border: 1px solid transparent; border-bottom-color: var(--line);
  text-decoration: none; transition: background .25s, border-color .25s, transform .25s;
}
.news-item:hover {
  background: var(--panel); border-color: var(--line);
  transform: translateX(6px);
}
.news-date {
  width: 96px; height: 96px; flex-shrink: 0; border-radius: var(--r-sm);
  background: linear-gradient(160deg, rgba(46, 107, 255, .22), rgba(23, 224, 255, .06));
  border: 1px solid rgba(46, 107, 255, .3);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.news-day { font-size: 32px; font-weight: 800; color: #fff; line-height: 1.1; }
.news-month { font-size: 12.5px; color: var(--ink-3); margin-top: 2px; }
.news-body { flex: 1; min-width: 0; }
.news-body h3 { font-size: 22px; font-weight: 600; color: var(--ink); line-height: 1.6; }
.news-item:hover .news-body h3 { color: #fff; }
.news-summary { color: var(--ink-3); font-size: 16px; line-height: 1.8; margin-top: 10px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-cat {
  display: inline-block; margin-top: 12px; font-size: 13px; font-weight: 600;
  color: var(--cyan); letter-spacing: .04em;
}
.news-arrow { color: var(--ink-3); font-size: 24px; transition: transform .25s, color .25s; }
.news-item:hover .news-arrow { color: var(--cyan); transform: translateX(5px); }
.news-thumb {
  width: clamp(150px, 14vw, 210px); aspect-ratio: 16 / 10; flex-shrink: 0;
  border-radius: var(--r-sm); overflow: hidden; border: 1px solid var(--line);
}
.news-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.news-item:hover .news-thumb img { transform: scale(1.06); }

/* ============================================================
   流程
   ============================================================ */
.process-row { display: grid; grid-template-columns: repeat(6, 1fr); gap: clamp(14px, 1.6vw, 24px); position: relative; }
.step-card {
  position: relative; padding: clamp(30px, 2.6vw, 44px) clamp(16px, 1.4vw, 24px); border-radius: var(--r);
  background: var(--panel); border: 1px solid var(--line);
  text-align: center; transition: transform .3s, border-color .3s, background .3s;
}
.step-card:hover { transform: translateY(-6px); border-color: rgba(23, 224, 255, .45); background: var(--panel-2); }
.step-num {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  width: clamp(72px, 5.2vw, 84px); height: clamp(72px, 5.2vw, 84px);
  margin: 0 auto;
  border-radius: 18px; border: 1px solid transparent;
  background:
    linear-gradient(180deg, rgba(46, 107, 255, .16), rgba(23, 224, 255, .05)) padding-box,
    linear-gradient(135deg, rgba(46, 107, 255, .85), rgba(23, 224, 255, .55)) border-box;
  box-shadow: 0 0 22px rgba(46, 107, 255, .22), inset 0 0 14px rgba(23, 224, 255, .07);
  transition: box-shadow .3s, transform .3s;
}
.step-num span {
  font-family: var(--mono); font-size: clamp(36px, 2.9vw, 44px); font-weight: 700; letter-spacing: .05em;
  background: linear-gradient(135deg, #7EA6FF 10%, #17E0FF 90%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.step-card:hover .step-num {
  transform: translateY(-2px);
  box-shadow: 0 0 36px rgba(46, 107, 255, .42), inset 0 0 18px rgba(23, 224, 255, .12);
}
.step-title { font-size: 19.5px; font-weight: 700; color: #fff; margin-top: 18px; }
.step-desc { font-size: 15px; color: var(--ink-3); margin-top: 10px; line-height: 1.75; }

/* ============================================================
   客户评价
   ============================================================ */
.quote-card {
  position: relative; padding: clamp(36px, 3vw, 50px) clamp(28px, 2.6vw, 42px); border-radius: var(--r);
  background: linear-gradient(165deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .015));
  border: 1px solid var(--line);
}
.quote-card::before {
  content: "\201C"; position: absolute; top: 14px; right: 32px;
  font-size: 88px; line-height: 1; color: rgba(23, 224, 255, .16); font-weight: 800;
}
.quote-text { color: var(--ink); font-size: 18px; line-height: 1.95; }
.quote-foot { display: flex; align-items: center; gap: 14px; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.quote-avatar {
  width: 48px; height: 48px; border-radius: 50%; flex-shrink: 0;
  background: var(--grad-violet); display: grid; place-items: center;
  font-weight: 700; color: #fff; font-size: 17px;
}
.quote-name { font-size: 16px; font-weight: 700; color: #fff; }
.quote-role { font-size: 13.5px; color: var(--ink-3); margin-top: 2px; }

/* ============================================================
   FAQ 手风琴
   ============================================================ */
.faq-list { max-width: none; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq-item {
  border: 1px solid var(--line); border-radius: var(--r-sm);
  background: var(--panel); overflow: hidden; transition: border-color .25s, background .25s;
}
.faq-item[open] { border-color: rgba(23, 224, 255, .4); background: var(--panel-2); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 30px 72px; position: relative;
  font-size: clamp(18px, 1.45vw, 28px); font-weight: 600; color: var(--ink);
  display: flex; align-items: center; justify-content: center; gap: 16px; text-align: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; font-size: 26px; font-weight: 400; color: var(--cyan);
  transition: transform .3s; line-height: 1;
  position: absolute; right: 32px; top: 50%; transform: translateY(-50%);
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p { padding: 0 32px 28px; color: var(--ink-2); font-size: 16.5px; line-height: 1.9; max-width: 95%; }

/* 宽屏：问答条左右收窄居中，不再与 CTA 面板等宽铺开 */
@media (min-width: 960px) {
  .faq-list { max-width: min(1240px, 88vw); }
}

/* ============================================================
   CTA
   ============================================================ */
.cta-band { padding: 0 0 clamp(84px, 8vw, 140px); }
.cta-panel {
  position: relative; overflow: hidden;
  border-radius: var(--r-lg); padding: clamp(64px, 6.5vw, 110px) clamp(28px, 4vw, 72px); text-align: center;
  background:
    radial-gradient(680px circle at 50% 0%, rgba(46, 107, 255, .4), transparent 66%),
    linear-gradient(160deg, #0A1330, #06090F);
  border: 1px solid rgba(46, 107, 255, .34);
  box-shadow: 0 40px 90px -40px rgba(46, 107, 255, .7);
}
.cta-panel::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, #000, transparent 75%);
}
.cta-inner { position: relative; z-index: 1; display: flex; flex-direction: column; gap: 24px; align-items: center; }
.cta-inner h2 { font-size: clamp(30px, 3.2vw, 56px); font-weight: 800; letter-spacing: -.02em; color: #fff; line-height: 1.25; }
.cta-inner p { color: var(--ink-2); font-size: 17px; }

/* ============================================================
   页脚（科技风）
   ============================================================ */
.site-footer {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, #070B14 0%, #04060C 48%, #03050A 100%);
  padding: 0 0 30px;
}
.site-footer::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px; z-index: 2;
  background: linear-gradient(90deg, transparent, rgba(46, 107, 255, .9) 20%, rgba(23, 224, 255, .95) 50%, rgba(139, 92, 246, .85) 80%, transparent);
  box-shadow: 0 0 28px rgba(46, 107, 255, .8);
}
.footer-aura {
  position: absolute; top: -280px; left: 50%; transform: translateX(-50%);
  width: min(1300px, 120vw); height: 540px; pointer-events: none; z-index: 0;
  background: radial-gradient(ellipse at center, rgba(46, 107, 255, .26), rgba(23, 224, 255, .08) 44%, transparent 72%);
}
.footer-mesh {
  position: absolute; inset: 0; pointer-events: none; z-index: 0; opacity: .6;
  background-image:
    linear-gradient(rgba(255, 255, 255, .03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .03) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(ellipse 78% 68% at 50% 0%, #000 18%, transparent 76%);
  -webkit-mask-image: radial-gradient(ellipse 78% 68% at 50% 0%, #000 18%, transparent 76%);
}
.footer-shell { position: relative; z-index: 1; padding-top: clamp(58px, 5.5vw, 94px); }
.footer-main { display: grid; grid-template-columns: 1.75fr .95fr .95fr 1.25fr; gap: clamp(36px, 4vw, 76px); padding-bottom: clamp(44px, 4vw, 70px); }
.footer-brand { display: flex; flex-direction: column; gap: 22px; }
.footer-brand p { font-size: 14.5px; line-height: 2; color: var(--ink-3); max-width: 480px; }
.footer-badges { display: flex; gap: 10px; flex-wrap: wrap; }
.footer-badges span {
  font-size: 12.5px; color: #9FD9F0;
  border: 1px solid rgba(23, 224, 255, .24); background: rgba(23, 224, 255, .07);
  padding: 6px 14px; border-radius: 999px;
}
.footer-col h4 {
  color: #fff; font-size: 16px; font-weight: 700;
  margin-bottom: 22px; position: relative; padding-bottom: 14px;
}
.footer-col h4::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 28px; height: 2px; border-radius: 2px;
  background: var(--grad-brand); box-shadow: 0 0 12px rgba(23, 224, 255, .7);
}
.footer-link {
  display: block; color: var(--ink-3); font-size: 15px; text-decoration: none;
  padding: 7px 0; transition: color .2s, transform .2s;
}
.footer-link:hover { color: var(--cyan); transform: translateX(4px); }

/* 联系方式图标块 */
.footer-contact { display: flex; flex-direction: column; gap: 18px; }
.fc-row { display: flex; gap: 13px; align-items: flex-start; }
.fc-row .ico {
  width: 36px; height: 36px; flex-shrink: 0; border-radius: 11px; display: grid; place-items: center;
  background: linear-gradient(150deg, rgba(46, 107, 255, .3), rgba(23, 224, 255, .12));
  border: 1px solid rgba(23, 224, 255, .28);
}
.fc-row em { display: block; font-style: normal; font-size: 12.5px; color: var(--ink-3); letter-spacing: .05em; }
.fc-row a, .fc-row b {
  display: block; font-size: 16px; font-weight: 700; color: #EAF0FF;
  text-decoration: none; margin-top: 3px; letter-spacing: .01em;
}
.fc-row a:hover { color: var(--cyan); }
.fc-row span.txt { display: block; font-size: 14px; font-weight: 400; color: var(--ink-2); line-height: 1.75; margin-top: 3px; }

/* 科技状态条 */
.footer-tech {
  position: relative; z-index: 1;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .018);
}
.footer-tech-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 18px 28px; flex-wrap: wrap;
  padding: 19px 0; font-size: 13.5px; color: var(--ink-3); letter-spacing: .02em;
}
.tech-cell { display: inline-flex; align-items: center; gap: 9px; }
.tech-cell i {
  width: 7px; height: 7px; border-radius: 50%; background: var(--ok);
  box-shadow: 0 0 12px var(--ok); animation: pulse 2s infinite;
}
/* 知识产权声明：页脚最底部，版权行之上 */
.footer-ip {
  position: relative; z-index: 1;
  display: flex; align-items: flex-start; gap: 12px;
  padding-top: 24px;
}
.footer-ip .ip-badge {
  flex: none; width: 34px; height: 34px; border-radius: 11px; margin-top: 1px;
  display: grid; place-items: center;
  background: linear-gradient(150deg, rgba(46, 107, 255, .3), rgba(23, 224, 255, .12));
  border: 1px solid rgba(23, 224, 255, .28);
}
.footer-ip .ip-text {
  font-size: 13px; line-height: 1.9; color: var(--ink-3); letter-spacing: .01em;
}
.footer-ip .ip-text b {
  display: inline-block; margin-right: 9px;
  font-weight: 700; color: #CFE6FF; letter-spacing: .04em;
}
.footer-bar {
  position: relative; z-index: 1;
  padding-top: 20px; display: flex; justify-content: space-between; gap: 16px 18px; flex-wrap: wrap;
  align-items: center; color: var(--ink-3); font-size: 16px;
}
.footer-bar a { color: inherit; text-decoration: none; transition: color .2s; }
.footer-bar a:hover { color: var(--cyan); }
/* 版权 + 备案信息 */
.fb-rights { letter-spacing: .01em; }
.fb-filings { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 8px 12px; }
.fb-icp { display: inline-flex; align-items: center; gap: 8px; }
.fb-icp-badge {
  flex: none; width: 25px; height: 27px; opacity: .95;
  filter: drop-shadow(0 1px 4px rgba(0, 0, 0, .45));
  transition: opacity .25s, filter .25s, transform .25s;
}
.fb-icp:hover .fb-icp-badge { opacity: 1; filter: drop-shadow(0 0 10px rgba(227, 34, 39, .75)); transform: translateY(-1px); }
.fb-police { display: inline-flex; align-items: center; gap: 8px; }
.fb-police .fb-badge {
  flex: none; width: 26px; height: 26px; opacity: .95;
  filter: drop-shadow(0 1px 4px rgba(0, 0, 0, .4));
  transition: opacity .25s, filter .25s, transform .25s;
}
.fb-police:hover .fb-badge { opacity: 1; filter: drop-shadow(0 0 10px rgba(255, 196, 88, .65)); transform: translateY(-1px); }
.fb-admin { opacity: .6; }
.fb-admin:hover { opacity: 1; }

/* 管理后台入口：右下角低调小齿轮 */
.corner-admin {
  position: fixed; right: 10px; bottom: 8px; z-index: 900;
  color: var(--ink-3); opacity: .16; text-decoration: none;
  line-height: 0; transition: opacity .2s;
}
.corner-admin:hover { opacity: .7; }
.to-top {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--line-2); border-radius: 999px; padding: 8px 16px;
  background: rgba(255, 255, 255, .04); transition: all .25s;
}
.to-top:hover { border-color: var(--cyan); color: #fff !important; background: rgba(23, 224, 255, .1); }

/* ============================================================
   页面头（内页 Banner）
   ============================================================ */
.page-hero {
  position: relative; overflow: hidden; padding: 68px 0 64px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(46, 107, 255, .12), transparent 70%);
}
.page-hero::after {
  content: ""; position: absolute; width: 620px; height: 620px; right: -220px; top: -300px;
  background: radial-gradient(circle, rgba(23, 224, 255, .22), transparent 68%);
  filter: blur(80px);
}
.page-hero h1 { font-size: 44px; font-weight: 800; letter-spacing: -.02em; color: #fff; margin-top: 16px; }
.page-hero p { color: var(--ink-2); font-size: 16px; margin-top: 16px; max-width: 680px; }
.crumb { font-size: 13px; color: var(--ink-3); margin-top: 22px; }
.crumb a { color: var(--ink-2); text-decoration: none; }
.crumb a:hover { color: var(--cyan); }
.crumb span { margin: 0 8px; opacity: .5; }

/* ============================================================
   关于我们
   ============================================================ */
.about-split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.about-split h2 { font-size: 34px; font-weight: 800; color: #fff; line-height: 1.35; letter-spacing: -.02em; }
.about-split p { color: var(--ink-2); font-size: 15px; line-height: 1.9; margin-top: 18px; }

.mvv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.mvv-card { padding: 32px 28px; border-radius: var(--r); border: 1px solid var(--line); background: var(--panel); }
.mvv-card h3 { font-size: 18px; font-weight: 700; color: #fff; margin-top: 16px; }
.mvv-card p { color: var(--ink-2); font-size: 14px; line-height: 1.8; margin-top: 10px; }

/* 时间轴 */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--primary), transparent);
}
.tl-item { position: relative; padding-bottom: 34px; }
.tl-item::before {
  content: ""; position: absolute; left: -34px; top: 7px; width: 16px; height: 16px;
  border-radius: 50%; background: var(--bg); border: 3px solid var(--primary);
  box-shadow: 0 0 0 4px rgba(46, 107, 255, .18);
}
.tl-year { font-family: var(--mono); font-size: 14px; font-weight: 700; color: var(--cyan); }
.tl-title { font-size: 17px; font-weight: 700; color: #fff; margin-top: 6px; }
.tl-desc { color: var(--ink-2); font-size: 14px; margin-top: 8px; line-height: 1.8; }

/* ============================================================
   服务详情
   ============================================================ */
.svc-block {
  display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center;
  padding: 56px 0; border-bottom: 1px solid var(--line);
}
.svc-block:last-child { border-bottom: none; }
.svc-block:nth-child(even) .svc-media { order: -1; }
.svc-block h2 { font-size: 30px; font-weight: 800; color: #fff; letter-spacing: -.02em; margin-top: 14px; }
.svc-block .svc-sub { color: var(--cyan); font-size: 14px; font-weight: 600; }
.svc-block > div > p { color: var(--ink-2); font-size: 15px; line-height: 1.9; margin-top: 18px; }
.svc-points { list-style: none; margin-top: 24px; display: flex; flex-direction: column; gap: 12px; }
.svc-points li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink); font-size: 14.5px; }
.svc-points li::before {
  content: ""; flex-shrink: 0; width: 20px; height: 20px; margin-top: 3px;
  border-radius: 6px; background: rgba(23, 224, 255, .14);
  border: 1px solid rgba(23, 224, 255, .35);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20'><path d='M6 10.4l2.6 2.6L14 7.6' stroke='%2317E0FF' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat; background-position: center;
}
.svc-media {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--line-2); min-height: 300px;
  display: grid; place-items: center; padding: 40px;
}
.svc-media img { width: 100%; height: auto; display: block; border-radius: var(--r); }

/* ============================================================
   联系页
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 44px; align-items: start; }
.contact-item {
  display: flex; gap: 16px; padding: 22px 0; border-bottom: 1px dashed var(--line);
}
.contact-item:last-child { border-bottom: none; }
.contact-ico {
  width: 46px; height: 46px; border-radius: 13px; flex-shrink: 0;
  display: grid; place-items: center;
  background: linear-gradient(150deg, rgba(46, 107, 255, .3), rgba(23, 224, 255, .1));
  border: 1px solid rgba(23, 224, 255, .3);
}
.contact-item h4 { font-size: 14px; font-weight: 600; color: var(--ink-3); }
.contact-item strong { display: block; font-size: 16px; font-weight: 700; color: #fff; margin-top: 4px; }
.contact-item small { color: var(--ink-3); font-size: 12.5px; }

.form-card {
  padding: 36px; border-radius: var(--r-lg);
  background: linear-gradient(165deg, rgba(255, 255, 255, .07), rgba(255, 255, 255, .02));
  border: 1px solid var(--line-2);
  box-shadow: var(--shadow-card);
}
.form-card h3 { font-size: 22px; font-weight: 800; color: #fff; }
.form-card > p { color: var(--ink-3); font-size: 13.5px; margin-top: 8px; margin-bottom: 24px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }

.field { display: flex; flex-direction: column; gap: 7px; font-size: 13px; color: var(--ink-2); }
.field-check { flex-direction: row; align-items: center; gap: 10px; padding: 4px 0; }
.field-check input { width: 18px; height: 18px; accent-color: var(--primary); cursor: pointer; flex-shrink: 0; }
.field-check span { font-size: 14px; color: var(--ink); font-weight: 600; }
.field input:not([type="checkbox"]), .field textarea, .field select {
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--line-2); border-radius: var(--r-xs);
  padding: 12px 15px; font-size: 14.5px; color: var(--ink);
  outline: none; transition: border-color .2s, box-shadow .2s, background .2s; width: 100%;
}
.field textarea { resize: vertical; line-height: 1.7; min-height: 110px; }
.field select option { background: #0B1120; color: var(--ink); }
.field input::placeholder, .field textarea::placeholder { color: #4C5872; }
.field input:focus:not([type="checkbox"]), .field textarea:focus, .field select:focus {
  border-color: var(--primary); background: rgba(46, 107, 255, .07);
  box-shadow: 0 0 0 3px rgba(46, 107, 255, .16);
}
.field-row { display: flex; gap: 10px; }
.field-row input { flex: 1; }
.field-row .btn { white-space: nowrap; }
.field-error { color: var(--danger); font-style: normal; font-size: 12px; min-height: 16px; }
.hint { color: var(--ink-3); font-style: normal; font-size: 12px; }

/* ---- 后台上传字段（图片 / 视频） ---- */
.media-field { gap: 9px; }
.media-row { display: flex; gap: 14px; align-items: flex-start; flex-wrap: wrap; }
.media-prev {
  width: 148px; min-height: 84px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, .04); border: 1px dashed var(--line);
  border-radius: var(--r-xs); overflow: hidden; padding: 6px;
}
.media-thumb { max-width: 100%; max-height: 132px; border-radius: 6px; display: block; }
.media-empty { color: var(--ink-3); font-size: 12px; text-align: center; }
.media-file-name { color: var(--ink-2); font-size: 12px; word-break: break-all; text-align: center; }
.media-ctl { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; flex: 1; min-width: 200px; }
.media-hint { color: var(--ink-3); font-style: normal; font-size: 12px; line-height: 1.6; }
.media-bar { display: block; width: 100%; max-width: 260px; height: 4px; border-radius: 2px; background: rgba(255, 255, 255, .1); overflow: hidden; }
.media-bar > i { display: block; height: 100%; width: 0; border-radius: 2px; background: var(--grad-brand); transition: width .25s ease; }
.media-field.is-busy .media-prev { opacity: .55; }
.media-field.is-busy .media-thumb { pointer-events: none; }

.map-box {
  margin-top: 24px; border-radius: var(--r); overflow: hidden;
  border: 1px solid var(--line); background: var(--bg-3); height: 240px;
  display: grid; place-items: center; position: relative;
}
.map-box::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(23, 224, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 224, 255, .07) 1px, transparent 1px);
  background-size: 34px 34px;
}
.map-pin { position: relative; z-index: 1; text-align: center; color: var(--ink-3); font-size: 13px; }
.map-pin .dot {
  width: 12px; height: 12px; border-radius: 50%; background: var(--cyan); margin: 0 auto 10px;
  box-shadow: 0 0 0 6px rgba(23, 224, 255, .2), 0 0 24px var(--cyan);
  animation: pulse 2.4s infinite;
}

/* ============================================================
   文章详情
   ============================================================ */
.article { max-width: 820px; margin: 0 auto; }
.article h1 { font-size: 36px; font-weight: 800; color: #fff; line-height: 1.4; letter-spacing: -.02em; }
.article-meta {
  display: flex; gap: 18px; align-items: center; flex-wrap: wrap;
  margin-top: 20px; padding-bottom: 24px; border-bottom: 1px solid var(--line);
  color: var(--ink-3); font-size: 13px;
}
.article-body { margin-top: 32px; color: var(--ink-2); font-size: 15.5px; line-height: 2; }
.article-body p { margin-bottom: 20px; }
.article-body ul { margin: 0 0 22px; padding-left: 4px; list-style: none; }
.article-body li {
  position: relative; padding-left: 22px; margin-bottom: 10px; line-height: 1.95;
}
.article-body li::before {
  content: ""; position: absolute; left: 4px; top: 13px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--grad-brand); box-shadow: 0 0 8px rgba(23, 224, 255, .6);
}
.article-body h3 { color: #fff; font-size: 20px; font-weight: 700; margin: 34px 0 14px; }
.article-body h3:first-child { margin-top: 0; }
.legal-cross {
  margin-top: 40px; padding: 18px 24px; border-radius: var(--r-sm);
  background: var(--panel); border: 1px solid var(--line);
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  font-size: 14.5px; color: var(--ink-3);
}
.legal-cross a { color: var(--cyan); text-decoration: none; font-weight: 600; }
.legal-cross a:hover { text-decoration: underline; }
.article-body blockquote {
  border-left: 3px solid var(--primary); padding: 6px 0 6px 20px; margin: 24px 0;
  color: var(--ink); font-size: 16px; background: rgba(46, 107, 255, .05);
}
.article-actions { margin-top: 44px; padding-top: 28px; border-top: 1px solid var(--line); display: flex; gap: 12px; flex-wrap: wrap; }

/* ============================================================
   登录 / 会员
   ============================================================ */
.auth-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 40px 24px; position: relative; overflow: hidden;
  background: radial-gradient(900px circle at 20% 10%, rgba(46, 107, 255, .18), transparent 60%), var(--bg);
}
.auth-page::after {
  content: ""; position: absolute; width: 620px; height: 620px; right: -200px; bottom: -260px;
  background: radial-gradient(circle, rgba(23, 224, 255, .18), transparent 68%); filter: blur(80px);
}
.auth-card {
  position: relative; z-index: 1;
  width: 100%; max-width: 440px; padding: 42px;
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .02));
  border: 1px solid var(--line-2);
  backdrop-filter: blur(20px);
  box-shadow: 0 40px 100px -40px rgba(0, 0, 0, .95);
}
.auth-brand {
  display: flex; align-items: center; gap: 11px; text-decoration: none;
  color: #fff; font-weight: 800; font-size: 18px; margin-bottom: 26px;
}
.auth-logo-mark { width: 38px; height: auto; filter: drop-shadow(0 0 12px rgba(220, 38, 38, .45)); }
.auth-logo-word { height: 25px; width: auto; display: block; }
.auth-card h1 { font-size: 25px; font-weight: 800; color: #fff; }
.auth-sub { color: var(--ink-3); font-size: 13.5px; margin: 10px 0 22px; line-height: 1.7; }
.tabs { display: flex; gap: 5px; background: rgba(255, 255, 255, .05); border-radius: var(--r-sm); padding: 5px; margin-bottom: 22px; }
.tab {
  flex: 1; border: none; background: transparent; padding: 10px 6px; white-space: nowrap;
  border-radius: var(--r-xs); font-size: 14px; color: var(--ink-3); transition: all .2s;
}
.tab.active { background: var(--grad-brand); color: #fff; font-weight: 600; box-shadow: var(--glow-sm); }
.auth-panel { display: none; flex-direction: column; gap: 16px; }
.auth-panel.active { display: flex; }
.auth-switch { display: flex; gap: 6px; }
.auth-note { color: var(--ink-3); font-size: 12px; text-align: center; }

/* 注册前同意条款 */
.consent {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 12.5px; color: var(--ink-2); line-height: 1.7;
  cursor: pointer; user-select: none;
}
.consent input {
  width: 16px; height: 16px; margin-top: 2px; flex-shrink: 0;
  accent-color: var(--primary); cursor: pointer;
}
.consent a { color: var(--cyan); text-decoration: none; font-weight: 600; }
.consent a:hover { text-decoration: underline; }
.consent.shake { animation: consentShake .42s cubic-bezier(.36, .07, .19, .97); }
@keyframes consentShake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-5px); }
  50% { transform: translateX(5px); }
  80% { transform: translateX(-3px); }
}
/* 微信入口：协议勾选 + 平台说明 */
.wechat-consent { margin-bottom: 12px; }
/* 全页共用协议勾选：位于登录方式页签下方 */
#auth-consent { margin: 2px 0 16px; }
.wechat-note { color: var(--ink-3); font-size: 11.5px; line-height: 1.7; text-align: center; margin-top: 10px; }
.divider { display: flex; align-items: center; gap: 12px; color: var(--ink-3); font-size: 12px; margin: 22px 0 16px; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.auth-footer { text-align: center; margin-top: 22px; }
.auth-footer a { color: var(--ink-3); font-size: 13px; text-decoration: none; }
.auth-footer a:hover { color: var(--cyan); }
.member-info {
  background: rgba(255, 255, 255, .04); border: 1px solid var(--line);
  border-radius: var(--r-sm); padding: 20px; display: flex; flex-direction: column; gap: 13px; margin-bottom: 22px;
}
.info-row { display: flex; justify-content: space-between; font-size: 14px; color: var(--ink-3); gap: 16px; }
.info-row strong { color: var(--ink); font-weight: 600; word-break: break-all; text-align: right; }
.member-actions { display: flex; flex-direction: column; gap: 10px; }
.member-danger { color: #ff8f8f; }
.member-danger:hover { border-color: rgba(255, 107, 107, .55); color: #ff6b6b; }
.btn-ghost.btn-block { color: var(--ink-2); border-color: var(--line); }
.btn-ghost.btn-block:hover { color: var(--danger); border-color: rgba(255, 92, 104, .55); }

/* ============================================================
   管理后台
   ============================================================ */
.admin-gate {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px;
  background: radial-gradient(900px circle at 25% 15%, rgba(46, 107, 255, .2), transparent 60%), var(--bg);
}
.admin-shell { display: flex; min-height: 100vh; background: var(--bg); }
.admin-side {
  width: 252px; flex-shrink: 0; background: #04060C; border-right: 1px solid var(--line);
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.admin-side-head {
  display: flex; gap: 12px; align-items: center;
  padding: 22px 20px; border-bottom: 1px solid var(--line);
}
.admin-side-head strong { color: #fff; display: block; font-size: 14.5px; }
.admin-side-head span { font-size: 11px; color: var(--ink-3); }
.admin-side nav { flex: 1; padding: 14px 12px; overflow-y: auto; }
.side-group { font-size: 11px; letter-spacing: .14em; color: var(--ink-3); text-transform: uppercase; padding: 16px 14px 8px; }
.side-item {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  width: 100%; text-align: left; background: none; border: none;
  color: var(--ink-2); padding: 10px 14px; border-radius: var(--r-xs);
  font-size: 14px; margin-bottom: 3px; transition: all .18s;
}
.side-item:hover { color: #fff; background: rgba(255, 255, 255, .05); }
.side-item.active { color: #fff; background: var(--grad-brand); font-weight: 600; box-shadow: var(--glow-sm); }
.side-badge {
  background: var(--danger); color: #fff; font-size: 11px; font-weight: 700;
  min-width: 20px; height: 20px; border-radius: 999px; display: grid; place-items: center; padding: 0 6px;
}
.admin-side-foot { padding: 16px 20px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 9px; }
.admin-side-foot a { color: var(--ink-3); font-size: 13px; text-decoration: none; }
.admin-side-foot a:hover { color: var(--cyan); }
.admin-main { flex: 1; padding: 32px clamp(24px, 3.5vw, 64px) 80px; max-width: none; min-width: 0; }
.admin-topbar { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 26px; }
.admin-topbar h1 { font-size: 23px; font-weight: 800; color: #fff; }
.admin-topbar .sub { color: var(--ink-3); font-size: 13px; margin-top: 6px; }
.editor { display: flex; flex-direction: column; gap: 16px; }
.editor-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  padding: 24px; display: flex; flex-direction: column; gap: 15px;
}
.item-card { border-left: 3px solid var(--primary); }
.item-head { display: flex; justify-content: space-between; align-items: center; color: #fff; font-size: 14px; }
.item-ops { display: flex; gap: 6px; }
.op {
  background: rgba(255, 255, 255, .05); border: 1px solid var(--line);
  border-radius: 7px; padding: 4px 11px; font-size: 12px; color: var(--ink-2); transition: all .18s;
}
.op:hover { border-color: var(--cyan); color: var(--cyan); }
.op-danger:hover { border-color: var(--danger); color: var(--danger); }
.list-empty {
  text-align: center; padding: 60px 20px; color: var(--ink-3);
  border: 1px dashed var(--line); border-radius: var(--r); font-size: 14px;
}
.msg-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  padding: 22px; display: flex; flex-direction: column; gap: 12px;
}
.msg-card.is-new { border-color: rgba(23, 224, 255, .4); }
.msg-card.is-banned { opacity: .55; }
.msg-head { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: center; }
.msg-from { display: flex; align-items: center; gap: 10px; }
.msg-from strong { color: #fff; font-size: 15px; }
.msg-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.msg-meta { color: var(--ink-3); font-size: 12.5px; display: flex; gap: 14px; flex-wrap: wrap; }
.msg-body { color: var(--ink-2); font-size: 14px; line-height: 1.8; white-space: pre-wrap; }
.msg-ops { display: flex; gap: 8px; }

/* 个人信息掩码显示（隐私政策 1.4.1）：默认脱敏，按需展开原值并留痕 */
.pii { font-family: inherit; letter-spacing: .3px; }
.pii.is-revealed { color: var(--cyan); }
.pii-btn {
  margin-left: 6px; padding: 1px 7px; font-size: 11.5px; line-height: 1.5;
  color: var(--ink-3); background: transparent; border: 1px solid var(--line);
  border-radius: 999px; cursor: pointer; vertical-align: middle;
}
.pii-btn:hover:not(:disabled) { border-color: var(--cyan); color: var(--cyan); }
.pii-btn:disabled { opacity: .5; cursor: default; }
.stat-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 24px; }
.strip-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 18px 20px; }
.strip-card .n { font-size: 26px; font-weight: 800; color: #fff; }
.strip-card .l { font-size: 12.5px; color: var(--ink-3); margin-top: 4px; }

/* ============================================================
   Toast
   ============================================================ */
#toast-box {
  position: fixed; top: 26px; left: 50%; transform: translateX(-50%); z-index: 999;
  display: flex; flex-direction: column; gap: 10px; align-items: center;
}
.toast {
  background: rgba(10, 16, 30, .92); color: var(--ink);
  border: 1px solid var(--line-2); border-radius: var(--r-sm);
  padding: 13px 24px; font-size: 14px; backdrop-filter: blur(16px);
  box-shadow: 0 20px 50px -18px rgba(0, 0, 0, .9);
  opacity: 0; transform: translateY(-10px); transition: all .28s;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast-ok { border-left: 3px solid var(--ok); }
.toast-error { border-left: 3px solid var(--danger); }

/* ============================================================
   滚动揭示动画
   ============================================================ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s cubic-bezier(.2, .8, .3, 1), transform .7s cubic-bezier(.2, .8, .3, 1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  /* 跑马灯为品牌横幅（站主明确要求始终滚动），不参与减少动效降级 */
  .float-card, .hero::before, .hero::after, .map-pin .dot { animation: none; }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .footer-main { grid-template-columns: 1fr 1fr; gap: 36px; }
  .process-row { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 960px) {
  .site-header { border-radius: 0 0 18px 18px; }   /* 页头只有 78px 高，圆角同步收小 */
  .header-inner { height: 78px; }
  .brand { gap: 12px; }
  .brand-word { max-width: 44vw; }
  .brand-mark { width: 40px; }
  .brand-word { height: 30px; }
  .nav {
    display: none; position: absolute; top: 78px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px; padding: 14px 20px 20px;
    background: rgba(5, 7, 14, .97); border-bottom: 1px solid var(--line);
    backdrop-filter: blur(18px);
  }
  .nav.open { display: flex; }
  .nav-link { padding: 12px 14px; }
  .nav-link.active::after { display: none; }
  .nav-link.active { background: rgba(46, 107, 255, .16); }
  .nav-toggle { display: block; }

  .hero { padding: 48px 0 64px; }
  .hero-inner { flex-direction: column; gap: 44px; }
  .hero h1 { font-size: 40px; }
  .hero-sub { font-size: 16px; }
  .float-card { display: none; }

  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .video-band { padding: 64px 0 72px; }
  .video-frame { border-radius: var(--r); }
  .video-play { width: 66px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .process-row { grid-template-columns: repeat(2, 1fr); }
  .mvv-grid { grid-template-columns: 1fr; }
  .about-split, .svc-block, .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .svc-block { padding: 40px 0; }
  .svc-block:nth-child(even) .svc-media { order: 0; }
  .form-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .section-head h2 { font-size: 27px; }
  .page-hero h1 { font-size: 32px; }
  .cta-inner h2 { font-size: 27px; }
  .cta-panel { padding: 52px 24px; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; }
  .news-item { padding: 20px 4px; gap: 16px; }
  .news-date { width: 64px; height: 64px; }
  .news-day { font-size: 21px; }
  .news-arrow { display: none; }
  .stat-strip { grid-template-columns: 1fr; }
  .admin-shell { flex-direction: column; }
  .admin-side { width: 100%; height: auto; position: static; }
  .admin-side nav { display: flex; flex-wrap: wrap; gap: 6px; }
  .side-group { display: none; }
  .side-item { width: auto; }
  .admin-main { padding: 24px 20px 60px; }
  .article h1 { font-size: 27px; }
  .auth-card { padding: 30px 24px; }
}

/* ---------- 小屏（手机竖屏） ---------- */
@media (max-width: 600px) {
  :root { --pad-x: 18px; }
  html { scroll-padding-top: 80px; }
  .brand-mark { width: 36px; }
  .brand-word { height: 26px; max-width: 33vw; }
  .header-inner { gap: 12px; }
  .header-right { gap: 8px; }
  .btn-primary-sm { padding: 8px 14px; }
  .brand-mark-footer { width: 44px; }
  .brand-word-footer { height: 34px; }

  .hero h1 { font-size: 31px; }
  .hero-sub { font-size: 14.5px; }
  .hero-btns { flex-direction: column; }
  .hero-btns .btn { width: 100%; justify-content: center; }
  .btn-lg { padding: 13px 24px; font-size: 15px; }

  .stats-row { grid-template-columns: 1fr 1fr; gap: 12px; }
  .video-band { padding: 52px 0 58px; }
  .video-play { width: 56px; }
  .video-chip { display: none; }
  .vl-panel { width: 94vw; }
  .vl-close { top: 10px; right: 10px; z-index: 2; background: rgba(8, 12, 22, .8); }
  .stat { padding: 16px 14px; }
  .stat-num { font-size: 34px; }
  .stat-label { font-size: 16px; }

  .grid { gap: 14px; }
  .section { padding: 52px 0; }
  .section-head { margin-bottom: 36px; }
  .section-head p { font-size: 14px; }
  .process-row { grid-template-columns: 1fr 1fr; }

  .cta-panel { padding: 44px 18px; }
  .news-item { flex-direction: column; align-items: flex-start; gap: 12px; }
  .news-thumb { width: 100%; aspect-ratio: 16 / 8; }
  .page-hero h1 { font-size: 27px; }
  .article h1 { font-size: 23px; }
  .footer-main { gap: 30px; }
  .footer-brand p { font-size: 13.5px; }
  .footer-tech-inner { justify-content: flex-start; gap: 12px; font-size: 12.5px; padding: 16px 0; }
  .footer-ip { padding-top: 20px; gap: 10px; }
  .footer-ip .ip-badge { width: 30px; height: 30px; border-radius: 10px; }
  .footer-ip .ip-text { font-size: 12.5px; line-height: 1.85; }
  .footer-ip .ip-text b { display: block; margin: 0 0 3px; }
  .footer-bar { flex-direction: column; gap: 10px; align-items: flex-start; }

  /* 悬浮轮动带：小屏收字号、收短投影 */
  .marquee-band { padding: 18px 0 28px; --mq-gap: 12px; --mq-size-d: 13px; }
  .marquee-label { letter-spacing: .22em; text-indent: .22em; margin-bottom: 14px; }
  .marquee-label::before, .marquee-label::after { width: 30px; }
  .marquee span {
    font-size: var(--mq-size, var(--mq-size-d));
    filter:
      drop-shadow(0 2px 3px rgba(0, 0, 0, .4))
      drop-shadow(0 5px 12px rgba(46, 107, 255, .26));
  }
  .marquee-mask {
    padding: 14px 0 22px; margin: -14px 0 -22px;
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 7%, #000 93%, transparent 100%);
    mask-image: linear-gradient(90deg, transparent 0, #000 7%, #000 93%, transparent 100%);
  }
}

/* ============================================================
   超宽屏（≥1600px）：内容全屏铺开时，排版等比放大
   —— 让版面在宽屏上依然紧凑饱满，避免「卡片很大、文字很小」
   ============================================================ */
@media (min-width: 1600px) {
  /* ---- 页头（尺寸已由基础 clamp 自适应放大，此处只放大通用按钮/标签） ---- */
  .btn { font-size: 16.5px; padding: 14px 30px; }
  .eyebrow { font-size: 13.5px; }

  /* ---- Hero ---- */
  .hero { padding: clamp(120px, 7vw, 186px) 0 clamp(140px, 8vw, 214px); }
  .hero-inner { gap: clamp(56px, 4.8vw, 108px); }
  .hero h1 { font-size: clamp(88px, 5.4vw, 138px); }
  .hero-sub { font-size: clamp(20px, 1.35vw, 27px); max-width: clamp(760px, 46vw, 1020px); }

  /* ---- 悬浮轮动带 ---- */
  .marquee-band { padding: clamp(32px, 2.4vw, 52px) 0 clamp(40px, 2.6vw, 60px); --mq-gap: clamp(24px, 1.7vw, 44px); --mq-size-d: clamp(30px, 1.7vw, 46px); }
  .marquee-label { font-size: clamp(17px, 1vw, 24px); margin-bottom: clamp(22px, 1.5vw, 34px); }
  .marquee-mask { padding: 26px 0 38px; margin: -26px 0 -38px; }
  .marquee span {
    font-size: var(--mq-size, var(--mq-size-d));
    filter:
      drop-shadow(0 3px 4px rgba(0, 0, 0, .45))
      drop-shadow(0 10px 22px rgba(46, 107, 255, .28));
  }

  /* ---- 数据栏 ---- */
  .stat-num { font-size: clamp(59px, 4vw, 85px); }
  .stat-label { font-size: clamp(19px, 1.2vw, 23px); }

  /* ---- 企业宣传视频 ---- */
  .video-band { padding: clamp(132px, 7.6vw, 200px) 0 clamp(140px, 8vw, 210px); }
  .video-frame { max-width: 1600px; }
  .video-chip { font-size: clamp(13px, .85vw, 16px); }
  .vl-panel { width: min(1420px, 90vw); }

  /* ---- 区块标题 ---- */
  .section { padding: clamp(132px, 7.6vw, 200px) 0; }
  .section-head { max-width: clamp(1000px, 66vw, 1700px); }
  .section-head h2 { font-size: clamp(48px, 3.5vw, 88px); text-wrap: balance; }
  .section-head p { font-size: clamp(18px, 1.15vw, 24px); max-width: 900px; margin-left: auto; margin-right: auto; }

  /* ---- 卡片文字 ---- */
  .grid { gap: clamp(24px, 1.9vw, 42px); }
  .service-card h3 { font-size: clamp(24px, 1.5vw, 33px); }
  .card-sub { font-size: clamp(15.5px, 1vw, 20px); }
  .service-card p { font-size: clamp(16.5px, 1.05vw, 21px); }
  .card-tags { font-size: clamp(13px, .85vw, 17px); }
  .card-link { font-size: clamp(15px, .95vw, 19px); }
  .hl-body h3 { font-size: clamp(22px, 1.4vw, 30px); }
  .hl-body p { font-size: clamp(15px, 1vw, 20px); }
  .case-body h3 { font-size: clamp(20px, 1.25vw, 27px); }
  .case-tag { font-size: clamp(12.5px, .8vw, 16px); }
  .case-meta { font-size: clamp(14px, .9vw, 18px); }

  /* ---- 流程 ---- */
  .step-title { font-size: clamp(20px, 1.2vw, 26px); }
  .step-desc { font-size: clamp(15px, .95vw, 20px); }

  /* ---- 客户评价 ---- */
  .quote-text { font-size: clamp(18px, 1.1vw, 24px); }
  .quote-name { font-size: clamp(16px, 1vw, 20px); }
  .quote-role { font-size: clamp(13.5px, .85vw, 17px); }

  /* ---- 新闻 ---- */
  .news-body h3 { font-size: clamp(22px, 1.35vw, 30px); }
  .news-summary { font-size: clamp(16px, 1vw, 21px); }
  .news-date { width: clamp(96px, 6vw, 126px); height: clamp(96px, 6vw, 126px); }
  .news-day { font-size: clamp(32px, 2vw, 42px); }
  .news-thumb { width: clamp(180px, 13vw, 280px); }

  /* ---- FAQ ---- */
  .faq-item summary { padding: 32px 80px; }
  .faq-item p { font-size: clamp(16.5px, 1vw, 21px); padding: 0 38px 32px; }

  /* ---- 页脚 ---- */
  .brand-mark-footer { width: 70px; }
  .brand-word-footer { height: 52px; }
  .footer-brand p { font-size: clamp(14.5px, .95vw, 19px); max-width: clamp(480px, 30vw, 660px); }
  .footer-col h4 { font-size: 17.5px; }
  .footer-link { font-size: 15.5px; }

  /* ---- 内页 ---- */
  .article { max-width: clamp(820px, 50vw, 1080px); }
  .page-hero h1 { font-size: clamp(44px, 3.4vw, 74px); }
  .page-hero p { font-size: clamp(16px, 1.05vw, 21px); max-width: clamp(680px, 42vw, 900px); }
}

/* 有真实配图时，去掉压在照片上的网格线/渐隐遮罩 */
.case-cover.has-img::before { display: none; }
.hero-frame.has-img::after { display: none; }

/* ============================================================
   登录页 · 明亮蓝色科技玻璃风（仅登录页：body.tech-login）
   说明：只改视觉，登录逻辑与内容不变；会员中心等页面不受影响
   ============================================================ */
.tech-login { padding: 40px 14px; }
.tech-login .auth-card {
  max-width: 640px; padding: 36px 44px;
  background: linear-gradient(165deg, rgba(255, 255, 255, .96), rgba(233, 245, 255, .9));
  border: 1px solid rgba(255, 255, 255, .85);
  border-radius: 24px;
  backdrop-filter: blur(24px);
  box-shadow: 0 34px 90px -32px rgba(4, 38, 96, .6), inset 0 1px 0 rgba(255, 255, 255, .95);
}
.tech-login .auth-brand { justify-content: center; margin-bottom: 18px; }
.tech-login .auth-logo-mark { filter: drop-shadow(0 3px 10px rgba(120, 16, 8, .35)); }
.tech-login .auth-logo-word { filter: brightness(.16); }
.tech-login .auth-card h1 { text-align: center; color: #0A2A66; }
.tech-login .auth-sub { text-align: center; color: #33549B; }
.tech-login .tabs { background: rgba(10, 42, 102, .09); }
.tech-login .tab { color: #33549B; }
.tech-login .field > span { color: #274B8F; font-weight: 600; }
.tech-login .field input:not([type="checkbox"]), .tech-login .field textarea {
  background: rgba(255, 255, 255, .8);
  border: 1px solid rgba(255, 255, 255, .95);
  border-radius: 999px;
  color: #10306B;
  box-shadow: 0 2px 10px rgba(30, 86, 214, .08);
}
.tech-login .field input::placeholder, .tech-login .field textarea::placeholder { color: #6B84B0; }
.tech-login .field input:focus:not([type="checkbox"]), .tech-login .field textarea:focus {
  border-color: #2E6BFF; background: #fff;
  box-shadow: 0 0 0 3px rgba(46, 107, 255, .18);
}
.tech-login .field-error { color: #D21F3C; }
.tech-login .field-row .btn { border-radius: 999px; white-space: nowrap; }
.tech-login .btn-outline {
  background: rgba(255, 255, 255, .72); border-color: rgba(46, 107, 255, .55); color: #1E56D6;
}
.tech-login .btn-outline:hover { background: #EAF1FF; border-color: #2E6BFF; color: #1B4FE0; }
.tech-login .consent { color: #3A5A94; }
.tech-login .consent a { color: #1E56D6; }
.tech-login .divider { color: #56719F; }
.tech-login .divider::before, .tech-login .divider::after { background: rgba(10, 42, 102, .18); }
.tech-login .auth-note { color: #56719F; }
.tech-login .auth-switch { justify-content: center; }
.tech-login .linklike { color: #33549B; }
.tech-login .linklike.active { color: #1E56D6; }
.tech-login .btn-wechat {
  background: rgba(22, 163, 74, .1); border-color: rgba(22, 163, 74, .4); color: #15803D;
}
.tech-login .btn-wechat:hover { background: rgba(22, 163, 74, .18); }
.tech-login .wechat-note { color: #56719F; }
.tech-login .auth-footer a { color: #33549B; }
.tech-login .auth-footer a:hover { color: #1E56D6; }
/* 登录页文字整体放大一档 */
.tech-login .auth-card h1 { font-size: 28px; }
.tech-login .auth-sub { font-size: 15.5px; }
.tech-login .tab { font-size: 15.5px; }
.tech-login .field { font-size: 15px; }
.tech-login .field input:not([type="checkbox"]), .tech-login .field textarea { font-size: 15.5px; }
.tech-login .field-row .btn { font-size: 15px; }
.tech-login .btn-primary.btn-block { font-size: 16.5px; }
.tech-login .consent { font-size: 14px; }
.tech-login .consent input { width: 17px; height: 17px; }
.tech-login .auth-note { font-size: 13.5px; }
.tech-login .wechat-note { font-size: 13px; }
.tech-login .divider { font-size: 13.5px; }
.tech-login .linklike { font-size: 14.5px; }
.tech-login .auth-footer a { font-size: 14.5px; }
@media (max-width: 1199px) {
  .tech-login { justify-content: center; }
}
/* 三个登录页签并排：小屏缩小页签字号，保证「手机验证码」不折行 */
@media (max-width: 560px) {
  .tab, .tech-login .tab { font-size: 13px; padding: 10px 2px; }
}

/* ============ 站内公告（进站弹窗） ============ */
body.ann-open { overflow: hidden; }

.ann-modal {
  position: fixed; inset: 0; z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  padding: 22px;
}
.ann-backdrop {
  position: absolute; inset: 0;
  background: rgba(3, 6, 14, .72);
  backdrop-filter: blur(4px);
  animation: annFade .22s ease both;
}
.ann-card {
  position: relative;
  width: min(560px, 100%);
  max-height: min(80vh, 660px);
  display: flex; flex-direction: column;
  overflow: hidden;
  padding: 30px 30px 24px;
  background: linear-gradient(180deg, #0E1526 0%, #090E1C 100%);
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  box-shadow: var(--shadow-card);
  animation: annPop .28s cubic-bezier(.2, .9, .3, 1.15) both;
}
.ann-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 2px;
  background: var(--grad-brand);
  border-radius: var(--r) var(--r) 0 0;
  opacity: .9;
}
.ann-card.ann-important::before { background: linear-gradient(120deg, var(--danger), #FF9A6C); }
.ann-modal.ann-closing .ann-card { animation: annOut .18s ease both; }

.ann-badge {
  display: inline-block;
  font-size: 13.5px; font-weight: 600; letter-spacing: .1em;
  color: var(--cyan);
  background: rgba(23, 224, 255, .1);
  border: 1px solid rgba(23, 224, 255, .22);
  padding: 5px 12px; border-radius: 999px;
}
.ann-card.ann-important .ann-badge {
  color: var(--danger);
  background: rgba(255, 92, 104, .1);
  border-color: rgba(255, 92, 104, .26);
}
.ann-title {
  margin: 14px 0 10px;
  font-size: 21px; line-height: 1.45; font-weight: 700;
  color: var(--ink);
}
/* 正文区独立滚动：标题与按钮常驻可见，长公告在手机上也不会把按钮挤出屏幕 */
.ann-body {
  font-size: 15px; line-height: 1.9; color: var(--ink-2);
  flex: 1 1 auto; min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}
.ann-body p { margin: 0 0 10px; }
.ann-body p:last-child { margin-bottom: 0; }
.ann-actions {
  display: flex; gap: 10px; justify-content: flex-end;
  margin-top: 22px; flex-wrap: wrap;
  flex: 0 0 auto;
}
.ann-actions .btn { padding: 11px 22px; font-size: 14.5px; }
.ann-close {
  position: absolute; top: 16px; right: 16px;
  width: 34px; height: 34px; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: var(--ink-3);
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 50%; cursor: pointer;
  transition: color .2s, background .2s, border-color .2s;
}
.ann-close:hover { color: var(--ink); background: var(--panel-2); border-color: var(--line-2); }
.ann-card:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

@keyframes annFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes annPop { from { opacity: 0; transform: translateY(16px) scale(.97); } to { opacity: 1; transform: none; } }
@keyframes annOut { to { opacity: 0; transform: translateY(10px) scale(.98); } }

@media (max-width: 600px) {
  .ann-modal { padding: 16px; }
  .ann-card { padding: 26px 20px 20px; border-radius: var(--r-sm); max-height: 82vh; }
  .ann-title { font-size: 18.5px; }
  .ann-body { font-size: 14.5px; }
  .ann-actions { margin-top: 18px; }
  .ann-actions .btn { flex: 1 1 auto; }
}

@media (prefers-reduced-motion: reduce) {
  .ann-backdrop, .ann-card { animation: none; }
}

/* ============================================================
   主站动态光晕背景 —— 紫 / 洋红 / 薄荷（与 ai 子站同源）
   三层：① 缓慢漂移的三色光斑 ② 网格底纹（已存在，改密度/强度）
        ③ 极淡噪点纹理（2.8%，消除大色块的「塑料感」和渐变色带）
   ★ 噪点的透明度必须写在 SVG 的 rect 上（opacity='0.028'）。
     直接放进 background 列表而不给透明度 = 100% 满强度雪花屏。
   ★ 全部用 CSS 渐变，零图片请求，符合一级等保「不引外部资源」
   ============================================================ */

body { background: #0A0712; }

/* 网格：比原来更密更亮一点，只在页面上半部渐显 */
body::before {
  background-image:
    linear-gradient(rgba(255,255,255,.030) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.030) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(ellipse 80% 62% at 50% 34%, #000 12%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 62% at 50% 34%, #000 12%, transparent 78%);
}

/* 光斑 + 噪点：固定在视口，滚动时不跟着动 */
body::after {
  content: "";
  position: fixed;
  inset: -18%;
  pointer-events: none;
  z-index: 0;
  background:
    /* 上半部：紫（左上） → 洋红（右上） */
    radial-gradient(46% 40% at 18% 12%, rgba(139,92,246,.38), transparent 62%),
    radial-gradient(40% 36% at 84% 20%, rgba(255,62,165,.24), transparent 64%),
    /* 下半部：一条横躺的光带 —— 紫 → 洋红 → 蓝紫（色相桥） → 绿
       ★ 必须「横向宽扁」(宽>高)，圆斑并排会被读成三个球，扁斑并排才连成渐变带
       ★ 洋红(≈330°) 与薄荷绿(≈168°) 在色环上接近互补，直接相邻会混出灰白脏带
         ⇒ 中间插一层蓝紫(≈255°) 做色相桥，让过渡连续
       ★ 底部总强度 0.56：底纹只是「收尾」，不能让视觉重心沉到页脚
       ★ 上缘统一落在 78%~84%，刚好盖住页脚，又不侵入正文区（45%~75% 保持纯净）
       ★ 背景是 position:fixed ⇒ 这条光带永远贴着视口底部，滚动时不动 */
    radial-gradient(56% 26% at 10% 88%, rgba(139,92,246,.22), transparent 66%),
    radial-gradient(47% 24% at 44% 90%, rgba(255,62,165,.12), transparent 68%),
    radial-gradient(35% 22% at 70% 91%, rgba(96,88,255,.08), transparent 72%),
    radial-gradient(50% 24% at 88% 88%, rgba(52,245,197,.14), transparent 66%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.028'/%3E%3C/svg%3E");
  background-size: auto, auto, auto, auto, auto, auto, 120px 120px;
  animation: wtBgDrift 26s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes wtBgDrift {
  from { transform: translate3d(-14px, -8px, 0) scale(1); }
  to   { transform: translate3d(18px, 14px, 0) scale(1.06); }
}
@media (prefers-reduced-motion: reduce) {
  body::after { animation: none; }
}

/* 交替色区块原来是实色，会把光晕切成硬边横条 —— 改半透明让背景透上来 */
.section-alt { background: rgba(15,10,30,.62); }