/*
Theme Name: AERORAIN 雨航人影
Theme URI: https://www.aerorain.com
Author: 雨航人影科技（深圳）有限公司
Author URI: https://www.aerorain.com
Description: 雨航人影 AERORAIN 企业官网主题。人工影响天气无人机系统——深藏青 + 信号红工业风，本地字体、内联 SVG 图标、无外部 CDN 依赖。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: aerorain
*/

/* ============================================================
   0. 字体（本地打包，拉丁子集；中文走系统字体栈）
   ============================================================ */
@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url("assets/fonts/Noto_Sans_SC-normal-300-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/Noto_Sans_SC-normal-400-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("assets/fonts/Noto_Sans_SC-normal-700-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Orbitron";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/Orbitron-normal-400-latin.woff2") format("woff2");
}
@font-face {
  font-family: "Orbitron";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("assets/fonts/Orbitron-normal-700-latin.woff2") format("woff2");
}
@font-face {
  font-family: "Orbitron";
  font-style: normal;
  font-weight: 900;
  font-display: swap;
  src: url("assets/fonts/Orbitron-normal-900-latin.woff2") format("woff2");
}

/* ============================================================
   1. 设计令牌
   ============================================================ */
:root {
  --navy-950: #081527;
  --navy-900: #0B1A2E;
  --navy-800: #10243E;
  --navy-700: #1B3A5E;
  --navy-600: #2B4E77;
  --red: #C8102E;
  --red-dark: #A30D26;
  --red-tint: #FBEEF0;
  --ink: #16202E;
  --muted: #56657A;
  --muted-2: #7C8899;
  --bg: #FFFFFF;
  --bg-alt: #F4F6F9;
  --bg-alt-2: #EBEFF4;
  --line: #DFE5EC;
  --line-dark: rgba(255, 255, 255, 0.14);
  --white: #FFFFFF;
  --font-body: "Noto Sans SC", "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  --font-num: "Orbitron", "Noto Sans SC", sans-serif;
  --w: 1200px;
  --header-h: 76px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ============================================================
   2. 基础重置
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth; -webkit-text-size-adjust: 100%;
  /* 画布底色与页脚同色：任何原因导致的文档末尾之下露底（缩放舍入/滚动惯性/窗口高度差）都不会再出现白边 */
  background: var(--navy-950);
  overscroll-behavior-y: none;
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy-800); text-decoration: none; transition: color 0.2s var(--ease); }
a:hover { color: var(--red); }
ul, ol { margin: 0; padding: 0; }
h1, h2, h3, h4, h5 {
  margin: 0 0 0.5em; font-weight: 700; line-height: 1.3; color: var(--navy-900);
  letter-spacing: 0.02em; text-wrap: balance;
}
p { margin: 0 0 1em; }
figure { margin: 0; }
table { border-collapse: collapse; width: 100%; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }
::selection { background: var(--navy-800); color: #fff; }
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--navy-800); color: #fff; padding: 10px 18px;
}
.skip-link:focus { left: 0; color: #fff; }

.container { width: 100%; max-width: var(--w); margin: 0 auto; padding: 0 28px; }

/* ============================================================
   3. 通用元件
   ============================================================ */
/* 数字/技术标签 */
.num, .tech { font-family: var(--font-num); font-weight: 700; letter-spacing: 0.02em; font-variant-numeric: tabular-nums; }

/* 章节标题 */
.section { padding: 104px 0; }
.section--alt { background: var(--bg-alt); }
.section--navy { background: var(--navy-800); color: rgba(255,255,255,0.82); }
.section--navy h2, .section--navy h3 { color: #fff; }

.eyebrow {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--font-num); font-size: 13px; font-weight: 700;
  letter-spacing: 0.18em; color: var(--red); text-transform: uppercase;
  margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 34px; height: 2px; background: var(--red); }
.section--navy .eyebrow { color: #FF5A70; }
.section--navy .eyebrow::before { background: #FF5A70; }

.h2 {
  font-size: clamp(26px, 3.4vw, 40px);
  letter-spacing: 0.02em;
  margin-bottom: 14px;
}
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head p { color: var(--muted); font-size: 17px; margin: 0; text-wrap: pretty; }
.section--navy .section-head p { color: rgba(255,255,255,0.72); }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 34px;
  font-family: var(--font-body); font-size: 15px; font-weight: 700;
  letter-spacing: 0.06em; line-height: 1;
  border: 1px solid transparent; border-radius: 2px;
  cursor: pointer;
  transition: background 0.22s var(--ease), color 0.22s var(--ease), border-color 0.22s var(--ease);
}
.btn--red { background: var(--red); color: #fff; }
.btn--red:hover { background: var(--red-dark); color: #fff; }
.btn--ghost { border-color: rgba(255,255,255,0.5); color: #fff; background: transparent; }
.btn--ghost:hover { border-color: #fff; background: rgba(255,255,255,0.08); color: #fff; }
.btn--navy { border-color: var(--navy-800); color: var(--navy-800); background: transparent; }
.btn--navy:hover { background: var(--navy-800); color: #fff; }
.btn .icon { width: 16px; height: 16px; }


/* 语言切换按钮 */
.lang-switch {
  display: inline-flex; align-items: center; justify-content: center;
  height: 38px; padding: 0 14px; margin-right: 14px;
  border: 1px solid var(--line); border-radius: 4px;
  font-family: var(--font-num); font-size: 13px; font-weight: 700; letter-spacing: 0.08em;
  color: var(--navy-800);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}
.lang-switch:hover { border-color: var(--red); color: var(--red); }
@media (max-width: 768px) {
  .header-inner { position: relative; }
  .lang-switch { position: absolute; top: 50%; right: 62px; transform: translateY(-50%); height: 34px; margin-right: 0; padding: 0 10px; }
}

/* 内联 SVG 图标 */
.icon { width: 24px; height: 24px; stroke: currentColor; stroke-width: 1.5; fill: none; stroke-linecap: round; stroke-linejoin: round; }

/* 规格表 */
.spec-table th, .spec-table td {
  text-align: left; padding: 15px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}
.spec-table th { width: 44%; color: var(--muted); font-weight: 400; white-space: nowrap; }
.spec-table td { font-weight: 700; color: var(--navy-900); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }

/* 图片框 */
.frame { border: 1px solid var(--line); background: #fff; }
.frame img { width: 100%; object-fit: cover; }

/* 灰色说明字 */
.caption { font-size: 13px; color: var(--muted); letter-spacing: 0.04em; margin-top: 10px; }

/* ============================================================
   4. 页头
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}
.site-header.is-scrolled { box-shadow: 0 10px 30px rgba(8, 21, 39, 0.10); background: rgba(255, 255, 255, 0.985); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h); gap: 32px;
}
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img { height: 52px; width: auto; }

.nav-toggle {
  display: none;
  background: none; border: 0; padding: 10px; cursor: pointer;
  color: var(--navy-900); /* 近黑深藏青：白底页头上清晰可辨 */
}
.nav-toggle .icon { width: 26px; height: 26px; stroke-width: 2; }
.nav-toggle:hover .icon { color: var(--red); }

.main-nav ul { display: flex; align-items: center; gap: 6px; list-style: none; }
.main-nav a {
  display: block; padding: 10px 16px;
  font-size: 15px; font-weight: 500; color: var(--navy-900);
  letter-spacing: 0.04em;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover { color: var(--red); }
.main-nav .current-menu-item > a,
.main-nav .current_page_item > a {
  color: var(--red); border-bottom-color: var(--red); font-weight: 700;
}
.header-cta { flex-shrink: 0; }
.header-cta .btn { padding: 12px 26px; }

/* ============================================================
   5. Hero（铺满首屏：扣除页头高度后的整屏高度）
   ============================================================ */
.hero {
  position: relative;
  background: var(--navy-900);
  color: #fff;
  overflow: hidden;
  min-height: calc(100vh - var(--header-h));
  min-height: calc(100svh - var(--header-h)); /* 移动端地址栏收放自适应 */
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero > .container { width: 100%; }
.hero__bg {
  position: absolute; inset: 0;
  background: var(--navy-900) url("assets/images/hero-banner.webp") center 38% / cover no-repeat;
  opacity: 0.5;
}
.hero__veil {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8, 21, 39, 0.82) 0%, rgba(11, 26, 46, 0.55) 55%, rgba(8, 21, 39, 0.9) 100%);
}
.hero__inner {
  position: relative; z-index: 1;
  padding: 24px 0 40px;
  max-width: 860px;
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-num); font-size: 13px; font-weight: 700;
  letter-spacing: 0.2em; color: rgba(255,255,255,0.75);
  padding: 9px 18px;
  border: 1px solid var(--line-dark);
  margin-bottom: 34px;
}
.hero__eyebrow i { width: 7px; height: 7px; background: var(--red); display: inline-block; }
.hero h1 {
  font-size: clamp(34px, 5.4vw, 64px);
  font-weight: 700; color: #fff;
  letter-spacing: 0.05em; line-height: 1.22;
  margin-bottom: 22px;
}
.hero__sub {
  font-size: clamp(16px, 1.6vw, 19px);
  color: rgba(255,255,255,0.78);
  letter-spacing: 0.015em;
  max-width: 620px; margin-bottom: 44px;
  text-wrap: pretty;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 0; }

/* 数据条 */
.stats-band {
  position: relative; z-index: 1;
  margin-top: 72px;
  border-top: 1px solid var(--line-dark);
  background: rgba(8, 21, 39, 0.55);
}

/* hero 紧接的首个区块：缩小上内边距，让标题进入首屏、避免大片空白 */
.hero + .section { padding-top: 56px; }
.stats-band ul {
  display: grid; grid-template-columns: repeat(4, 1fr); list-style: none;
}
.stats-band li { padding: 34px 30px; border-left: 1px solid var(--line-dark); }
.stats-band li:first-child { border-left: 0; }
.stats-band .num {
  display: block; font-size: clamp(26px, 3vw, 38px); font-weight: 900;
  color: #fff; margin-bottom: 6px;
}
.stats-band .num em { font-style: normal; color: #FF5A70; }
.stats-band span:last-child { font-size: 14px; color: rgba(255,255,255,0.62); letter-spacing: 0.08em; }

/* ============================================================
   6. 页面 Hero（内页）
   ============================================================ */
.page-hero {
  background: var(--navy-800);
  color: #fff;
  padding: 92px 0 72px;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: ""; position: absolute; right: -80px; top: -60px;
  width: 420px; height: 420px; border: 1px solid var(--line-dark); border-radius: 50%;
}
.page-hero::before {
  content: ""; position: absolute; right: 40px; bottom: -140px;
  width: 300px; height: 300px; border: 1px solid var(--line-dark); border-radius: 50%;
}
.page-hero .eyebrow { color: #FF5A70; }
.page-hero h1 {
  font-size: clamp(30px, 4vw, 48px); color: #fff; margin-bottom: 12px;
}
.page-hero p { color: rgba(255,255,255,0.72); font-size: 17px; max-width: 640px; margin: 0; }
/* 内页标题横幅后的首个区块：收紧上内边距，内容靠上 */
.page-hero + .section { padding-top: 56px; }

/* ============================================================
   7. 首页：产品
   ============================================================ */
.split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
.split--rev .split__media { order: -1; }
.split__body h3 { font-size: clamp(22px, 2.4vw, 30px); margin-bottom: 14px; }
.split__body p { color: var(--muted); }
.split__media img { width: 100%; }

.tagline {
  display: flex; gap: 10px; flex-wrap: wrap; margin: 18px 0 26px; padding: 0; list-style: none;
}
.tagline li {
  font-size: 13px; font-weight: 700; letter-spacing: 0.05em;
  color: var(--navy-700); background: var(--bg-alt-2);
  padding: 6px 14px; border-radius: 2px;
}
.section--navy .tagline li { color: #fff; background: rgba(255,255,255,0.08); }

/* 产品列（三卡） */
.product-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; list-style: none;
}
.product-card {
  border: 1px solid var(--line); background: #fff;
  display: flex; flex-direction: column;
  transition: border-color 0.22s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.product-card:hover { border-color: var(--navy-800); transform: translateY(-4px); box-shadow: 0 18px 40px rgba(16, 36, 62, 0.10); }
.product-card__media { overflow: hidden; aspect-ratio: 4 / 3; background: var(--bg-alt); }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); }
.product-card:hover .product-card__media img { transform: scale(1.05); }
.product-card__body { padding: 28px 26px 30px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-card__no {
  font-family: var(--font-num); font-size: 12px; font-weight: 700;
  letter-spacing: 0.2em; color: var(--red); margin-bottom: 6px;
}
.product-card h3 { font-size: 20px; margin: 0; }
.product-card p { color: var(--muted); font-size: 15px; margin: 0; flex: 1; }
.product-card ul { list-style: none; margin-top: 14px; border-top: 1px solid var(--line); padding-top: 14px; }
.product-card ul li {
  font-size: 13.5px; color: var(--muted); padding: 4px 0 4px 20px; position: relative;
}
.product-card ul li::before {
  content: ""; position: absolute; left: 2px; top: 13px;
  width: 8px; height: 2px; background: var(--red);
}

/* ============================================================
   8. 场景卡（解决方案）
   ============================================================ */
.scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); list-style: none; }
.scene-card { background: #fff; padding: 40px 30px 42px; transition: background 0.25s var(--ease); }
.scene-card:hover { background: var(--bg-alt); }
.scene-card .icon { width: 34px; height: 34px; color: var(--red); margin-bottom: 22px; }
.scene-card h3 { font-size: 19px; margin-bottom: 10px; }
.scene-card p { font-size: 14.5px; color: var(--muted); margin-bottom: 16px; }
.scene-card ul { list-style: none; }
.scene-card ul li { font-size: 13.5px; color: var(--muted); padding: 5px 0 5px 18px; position: relative; }
.scene-card ul li::before {
  content: ""; position: absolute; left: 0; top: 14px;
  width: 8px; height: 1.5px; background: var(--muted-2);
}

/* ============================================================
   9. 流程（作业五步）
   ============================================================ */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; list-style: none; counter-reset: flow; }
.flow li { position: relative; padding: 26px 22px 0 0; counter-increment: flow; }
.flow li::before {
  content: "0" counter(flow);
  font-family: var(--font-num); font-size: 30px; font-weight: 900;
  color: transparent; -webkit-text-stroke: 1px var(--red);
  display: block; margin-bottom: 14px;
}
.flow li::after {
  content: ""; position: absolute; top: 12px; right: 12px; left: 0;
  height: 1px; background: var(--line-dark);
}
.flow li:last-child::after { display: none; }
.flow strong { display: block; color: #fff; font-size: 16px; margin-bottom: 6px; }
.flow span { font-size: 13.5px; color: rgba(255,255,255,0.6); line-height: 1.65; display: block; }

/* ============================================================
   10. 图库 / 实况
   ============================================================ */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.gallery figure { margin: 0; }
.gallery img { width: 100%; height: 260px; object-fit: cover; }
.gallery-wide { grid-template-columns: 1.6fr 1fr 1fr; }

/* 落地城市 chips */
.city-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.city-row span {
  font-size: 14px; letter-spacing: 0.1em; color: #fff;
  border: 1px solid var(--line-dark); padding: 9px 20px;
}
.city-row b { color: #FF5A70; font-weight: 700; margin-right: 6px; font-family: var(--font-num); font-size: 12px; }

/* ============================================================
   11. 技术列表
   ============================================================ */
.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); list-style: none; }
.tech-cell { background: #fff; padding: 36px 30px; }
.tech-cell .icon { color: var(--navy-800); width: 30px; height: 30px; margin-bottom: 20px; }
.tech-cell h3 { font-size: 18px; margin-bottom: 8px; }
.tech-cell p { font-size: 14.5px; color: var(--muted); margin: 0; }
.tech-cell .num { color: var(--red); font-size: 14px; display: block; margin-bottom: 10px; letter-spacing: 0.08em; }

/* 数据计数块 */
.count-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-dark); list-style: none; border: 1px solid var(--line-dark); }
.count-grid li { background: var(--navy-900); padding: 40px 28px; text-align: left; }
.count-grid .num { display: block; font-size: clamp(30px, 3.4vw, 44px); font-weight: 900; color: #fff; }
.count-grid .num em { font-style: normal; color: #FF5A70; }
.count-grid span:last-child { font-size: 14px; color: rgba(255,255,255,0.6); letter-spacing: 0.06em; }

/* ============================================================
   12. 团队 / 时间轴
   ============================================================ */
.people-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); list-style: none; }
.people-card { background: #fff; padding: 30px 28px; }
.people-card strong { display: block; font-size: 18px; color: var(--navy-900); }
.people-card .role { color: var(--red); font-size: 13px; font-weight: 700; letter-spacing: 0.1em; display: block; margin: 6px 0 12px; }
.people-card p { font-size: 13.5px; color: var(--muted); margin: 0; }

.timeline { list-style: none; border-left: 1px solid var(--line); margin: 8px 0 0 6px; }
.timeline li { position: relative; padding: 0 0 40px 36px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: ""; position: absolute; left: -5px; top: 8px;
  width: 9px; height: 9px; background: #fff; border: 2px solid var(--red);
}
.timeline .num { font-size: 15px; font-weight: 900; color: var(--red); letter-spacing: 0.1em; display: block; margin-bottom: 6px; }
.timeline strong { display: block; font-size: 17px; color: var(--navy-900); margin-bottom: 4px; }
.timeline p { font-size: 14px; color: var(--muted); margin: 0; }

/* ============================================================
   12.5 新闻资讯
   ============================================================ */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; list-style: none; margin: 0; padding: 0; }
.news-card a {
  display: block; height: 100%; padding: 30px 28px 26px;
  background: #fff; border: 1px solid var(--line);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.news-card a:hover { border-color: var(--navy-800); box-shadow: 0 12px 30px rgba(16, 36, 62, 0.10); }
.news-card__date { display: inline-block; font-size: 13px; color: var(--red); letter-spacing: 0.08em; margin-bottom: 12px; }
.news-card h3 { font-size: 18px; line-height: 1.5; color: var(--navy-900); margin: 0 0 10px; }
.news-card p { font-size: 14px; color: var(--muted); margin: 0 0 18px; line-height: 1.75; }
.news-card__more {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.06em; color: var(--navy-800);
}
.news-card__more .icon { width: 15px; height: 15px; transition: transform 0.2s ease; }
.news-card a:hover .news-card__more .icon { transform: translateX(4px); }
.section-more { text-align: center; margin: 40px 0 0; }
@media (max-width: 900px) { .news-grid { grid-template-columns: 1fr; } }

/* ============================================================
   13. CTA 横幅 & 页脚
   ============================================================ */
.cta-band {
  position: relative; color: #fff;
  background: var(--navy-900) url("assets/images/contact-banner.webp") center / cover no-repeat;
}
.cta-band::before { content: ""; position: absolute; inset: 0; background: rgba(8, 21, 39, 0.82); }
.cta-band .container { position: relative; z-index: 1; padding-top: 96px; padding-bottom: 96px; }
.cta-band h2 { font-size: clamp(26px, 3.4vw, 42px); color: #fff; margin-bottom: 14px; }
.cta-band p { color: rgba(255,255,255,0.75); font-size: 17px; max-width: 560px; margin-bottom: 36px; }

.site-footer { background: var(--navy-950); color: rgba(255,255,255,0.6); font-size: 14px; }
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 48px;
  padding: 72px 0 56px;
}
.site-footer h4 { color: #fff; font-size: 15px; letter-spacing: 0.12em; margin-bottom: 20px; }
.site-footer ul { list-style: none; }
.site-footer li { padding: 5px 0; }
.site-footer a { color: rgba(255,255,255,0.65); }
.site-footer a:hover { color: #fff; }
.footer-brand img { height: 56px; width: auto; margin-bottom: 18px; }
.footer-brand p { max-width: 300px; line-height: 1.8; }
.footer-contact li { display: flex; gap: 12px; align-items: flex-start; padding: 7px 0; }
.footer-contact .icon { width: 17px; height: 17px; flex-shrink: 0; margin-top: 4px; color: #FF5A70; }
.footer-bottom {
  border-top: 1px solid var(--line-dark);
  padding: 24px 0 14px;
  display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap;
  font-size: 13px; color: rgba(255,255,255,0.55);
}
.footer-bottom .num { letter-spacing: 0.12em; }
.footer-icp {
  padding: 0 0 24px;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}
.footer-icp a { color: rgba(255,255,255,0.4); }
.footer-icp a:hover { color: rgba(255,255,255,0.75); }

/* ============================================================
   13.4 在线询盘表单
   ============================================================ */
.inquiry-form {
  margin-top: 56px; border: 1px solid var(--line); background: #fff; padding: 40px;
}
.inquiry-form__title { font-size: 22px; margin: 0 0 6px; }
.inquiry-form__hint { color: var(--muted); margin: 0 0 28px; font-size: 15px; }
.inquiry-form__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.field label { font-size: 14px; font-weight: 500; color: var(--navy-800); letter-spacing: 0.02em; }
.field input, .field select, .field textarea {
  font: inherit; color: var(--ink);
  border: 1px solid var(--line); background: #fff;
  padding: 12px 14px; border-radius: 4px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--navy-800); box-shadow: 0 0 0 3px rgba(16, 36, 62, 0.10);
}
.inquiry-form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.inquiry-form__foot { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-top: 4px; }
.inquiry-form__submit:disabled { opacity: 0.55; cursor: wait; }
.inquiry-form__msg { margin: 0; font-size: 14px; color: #147A3D; }
.inquiry-form__msg.is-err { color: #C3272B; }

/* ============================================================
   13.5 右侧悬浮工具栏（回顶 / 咨询 / 邮件 / 电话）
   ============================================================ */
.side-bar {
  position: fixed; right: 18px; bottom: 16vh; z-index: 40;
  display: flex; flex-direction: column; gap: 10px;
}
.side-bar__btn {
  position: relative;
  width: 46px; height: 46px; border-radius: 10px;
  background: var(--navy-800); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 22px rgba(8, 21, 39, 0.22);
  transition: background 0.22s var(--ease), transform 0.22s var(--ease), opacity 0.3s var(--ease);
}
.side-bar__btn:hover { background: var(--red); color: #fff; transform: translateY(-2px); }
.side-bar__btn .icon { width: 21px; height: 21px; }
.side-bar__label {
  position: absolute; right: calc(100% + 12px); top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: var(--navy-900); color: #fff;
  font-size: 13px; font-weight: 500; letter-spacing: 0.04em;
  padding: 7px 12px; border-radius: 6px; white-space: nowrap;
  opacity: 0; pointer-events: none;
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease);
}
.side-bar__btn:hover .side-bar__label { opacity: 1; transform: translateY(-50%) translateX(0); }
.side-bar__label::after {
  content: ""; position: absolute; left: 100%; top: 50%; transform: translateY(-50%);
  border: 5px solid transparent; border-left-color: var(--navy-900);
}
.side-bar__btn.back-top { opacity: 0; pointer-events: none; }
.side-bar__btn.back-top.is-show { opacity: 1; pointer-events: auto; }
.js .side-bar { animation: sideBarIn 0.6s 0.9s cubic-bezier(0.16, 1, 0.3, 1) both; }
@keyframes sideBarIn {
  from { transform: translateX(16px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ============================================================
   14. 文章 / 新闻
   ============================================================ */
.news-list { list-style: none; display: flex; flex-direction: column; }
.news-list li { border-bottom: 1px solid var(--line); }
.news-list a {
  display: flex; justify-content: space-between; align-items: baseline; gap: 32px;
  padding: 30px 8px;
}
.news-list a:hover { background: var(--bg-alt); }
.news-list h2 { font-size: 19px; margin: 0; }
.news-list time { font-family: var(--font-num); font-size: 13px; color: var(--muted); letter-spacing: 0.1em; white-space: nowrap; }

.page-content { padding: 88px 0; }
.entry-content { max-width: 780px; }
.entry-content img { border: 1px solid var(--line); margin: 24px 0; }

/* ============================================================
   15. 动效（IntersectionObserver 淡入 + 首屏入场）
   ------------------------------------------------------------
   隐藏态只在 html.js 下生效：JS 未加载/被拦截时内容直接可见，
   避免出现整段空白。
   ============================================================ */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.65s var(--ease), transform 0.65s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }

/* 首屏入场：背景从放大态收拢（Ken Burns），文案阶梯浮现 */
.js .hero__bg {
  animation: heroZoom 2.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.js .hero__inner > *, .js .stats-band {
  animation: heroRise 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.js .hero__eyebrow { animation-delay: 0.25s; }
.js .hero__inner h1 { animation-delay: 0.38s; }
.js .hero__sub { animation-delay: 0.5s; }
.js .hero__actions { animation-delay: 0.62s; }
.js .stats-band { animation-delay: 0.78s; }
@keyframes heroZoom {
  from { transform: scale(1.12); opacity: 0; }
  to { transform: scale(1); opacity: 0.5; }
}
@keyframes heroRise {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .js .hero__bg, .js .hero__inner > *, .js .stats-band { animation: none; }
  .js .side-bar { animation: none; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* ============================================================
   16. 响应式
   ============================================================ */
@media (max-width: 1024px) {
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split--rev .split__media { order: 0; }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid, .tech-grid, .people-grid { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); gap: 28px 0; }
  .flow li::after { display: none; }
  .stats-band ul, .count-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-band li { border-left: 0; border-top: 1px solid var(--line-dark); }
  .count-grid li { border: 1px solid var(--line-dark); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .gallery-wide { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .header-cta { display: none; }
  .brand img { height: 44px; }
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: absolute; top: var(--header-h); left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    display: none; box-shadow: 0 16px 32px rgba(8, 21, 39, 0.1);
  }
  .main-nav.is-open { display: block; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: 10px 0; }
  .main-nav a { padding: 14px 28px; border-bottom: 0; }
  .main-nav .current-menu-item > a, .main-nav .current_page_item > a { border-bottom: 0; }
  .hero__inner { padding-top: 24px; }
  .hero + .section { padding-top: 44px; }
  .stats-band { margin-top: 64px; }
  .stats-band ul { grid-template-columns: 1fr 1fr; }
  .stats-band li { padding: 24px 22px; }
  .product-grid, .tech-grid, .people-grid, .scene-grid, .count-grid { grid-template-columns: 1fr; }
  .gallery, .gallery-wide { grid-template-columns: 1fr; }
  .gallery img { height: 220px; }
  .flow { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; padding: 56px 0 40px; }
  .news-list a { flex-direction: column; gap: 6px; }
  .page-hero { padding: 64px 0 52px; }
  .page-hero + .section { padding-top: 44px; }
  .side-bar { right: 10px; bottom: 11vh; gap: 8px; }
  .side-bar__btn { width: 42px; height: 42px; border-radius: 9px; }
  .side-bar__btn .icon { width: 19px; height: 19px; }
  .side-bar__label { display: none; }
  .inquiry-form { padding: 24px 20px; margin-top: 40px; }
  .inquiry-form__grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  body { font-size: 15px; }
  .container { padding: 0 20px; }
  .hero__actions .btn { width: 100%; }
}

/* scene-grid 列数修饰类（替代内联样式，内联会压过响应式规则导致手机端挤压） */
.scene-grid--3 { grid-template-columns: repeat(3, 1fr); }
.scene-grid--2 { grid-template-columns: repeat(2, 1fr); }
.scene-grid--5 { grid-template-columns: repeat(5, 1fr); }
.scene-grid--flat { background: transparent; border: 0; gap: 28px; }
@media (max-width: 1024px) {
  .scene-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .scene-grid--5 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .scene-grid--5 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .scene-grid--3, .scene-grid--2, .scene-grid--5 { grid-template-columns: 1fr; }
}