/* ============================================================
   智博科技 DRIMMTECH — 全局样式（TOMRA 风格）
   人工智能金属废料分选设备
   ============================================================ */

:root {
  --ink: #141414;            /* 近黑正文/标题 */
  --ink-2: #333333;
  --muted: #6b6b6b;
  --purple: #552c88;         /* 品牌紫 主强调色 */
  --purple-600: #43206e;     /* 深紫（悬停） */
  --purple-100: #ece5f4;     /* 浅紫（背景/标签） */
  /* 兼容旧变量名，统一指向品牌紫 */
  --orange: #552c88;
  --orange-600: #43206e;
  --orange-100: #ece5f4;
  --sand: #f1f1f2;           /* 浅灰分区背景 */
  --sand-2: #f7f7f8;
  --sand-3: #e6e6e8;
  --line: #e3e3e5;
  --dark: #151517;           /* 深色页脚/区块 */
  --dark-2: #1e1e21;
  --white: #ffffff;
  --radius: 6px;
  --radius-lg: 10px;
  --shadow-sm: 0 1px 3px rgba(20,20,15,.06);
  --shadow: 0 18px 50px rgba(20,20,15,.12);
  --shadow-lg: 0 30px 80px rgba(20,20,15,.20);
  --maxw: 1440px;
  --nav-h: 76px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  font-size: 15px;
}

a { color: inherit; text-decoration: none; transition: color .2s ease; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: "Archivo", "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.06;
  font-weight: 800;
  color: inherit;
  letter-spacing: -.02em;
}

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 60px; }

.section { padding: 64px 0; }
.section-sm { padding: 40px 0; }
.bg-sand { background: var(--sand); }
.bg-sand-2 { background: var(--sand-2); }
.bg-dark { background: var(--dark); color: #eceae4; }

.eyebrow {
  display: inline-block; font-size: 18px; letter-spacing: 2px; font-weight: 700;
  color: var(--orange); text-transform: uppercase; margin-bottom: 16px;
}
.bg-dark .eyebrow { color: var(--orange); }

.section-title { font-size: clamp(26px, 4vw, 48px); margin-bottom: 18px; }
.section-lead { font-size: 18px; color: var(--muted); max-width: 720px; line-height: 1.7; }
.bg-dark .section-lead { color: #a7a79e; }
.center { text-align: center; }
.center .section-lead { margin-left: auto; margin-right: auto; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 30px; border-radius: 999px;
  font-weight: 700; font-size: 15px; cursor: pointer;
  border: 1.5px solid transparent; transition: all .25s ease; white-space: nowrap;
  font-family: "Inter", sans-serif;
}
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { background: var(--orange-600); transform: translateY(-2px); box-shadow: 0 12px 26px rgba(85,44,136,.35); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #000; transform: translateY(-2px); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn-ghost:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: #fff; }
.btn .arrow { transition: transform .25s ease; }
.btn:hover .arrow { transform: translateX(4px); }

/* 文字箭头链接（TOMRA 标志性） */
.link-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 14px; color: var(--ink);
  padding-bottom: 3px; border-bottom: 2px solid var(--orange); width: fit-content;
}
.link-arrow .arrow { transition: transform .25s ease; color: var(--orange); }
.link-arrow:hover { color: var(--orange); }
.link-arrow:hover .arrow { transform: translateX(5px); }
.bg-dark .link-arrow { color: #fff; }

/* ============================================================
   顶部信息条 + 导航
   ============================================================ */
.topbar { background: var(--ink); color: #bdbdb5; font-size: 13px; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; height: 40px; gap: 24px; }
.topbar a:hover { color: #fff; }
.topbar .tb-left, .topbar .tb-right { display: flex; align-items: center; gap: 22px; }
.topbar .tb-info { display: inline-flex; align-items: center; gap: 8px; color: #bdbdb5; }
.topbar .tb-info svg { width: 14px; height: 14px; flex: none; }
.topbar .tb-info b { color: #fff; font-weight: 700; letter-spacing: .3px; }
.topbar .tb-info a { color: #fff; font-weight: 600; }
.topbar .tb-right a { color: var(--orange); font-weight: 600; }
.topbar .tb-greet { color: #bdbdb5; letter-spacing: .5px; }

.site-header {
  position: sticky; top: 0; z-index: 100; background: #fff;
  border-bottom: 1px solid var(--line); transition: box-shadow .3s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.site-header > .container.nav { max-width: 100%; padding: 0 32px; }
.nav { height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { height: 46px; width: auto; display: block; }
.footer-brand .brand-logo { height: 50px; }
.brand .logo-mark { width: 40px; height: 40px; flex-shrink: 0; }
.brand .brand-text b { display: block; font-family: "Archivo", sans-serif; font-size: 22px; font-weight: 800; letter-spacing: -.5px; color: var(--ink); line-height: 1; }
.brand .brand-text small { display: block; font-size: 10.5px; letter-spacing: 2.5px; color: var(--muted); margin-top: 3px; }

.menu { display: flex; align-items: center; gap: 4px; }
.menu > li > a {
  display: block; padding: 6px 32px; font-weight: 600; font-size: 16px; color: var(--ink); position: relative;
}
.menu > li > a::after {
  content: ""; position: absolute; left: 32px; right: 32px; bottom: 2px; height: 2.5px;
  background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .25s ease;
}
.menu > li > a:hover, .menu > li > a.active { color: var(--orange); }
.menu > li > a:hover::after, .menu > li > a.active::after { transform: scaleX(1); }

.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-lang { display: inline-flex; align-items: center; gap: 2px; font-size: 13px; font-weight: 600; }
.nav-lang a { padding: 5px 9px; border-radius: 5px; color: var(--muted); cursor: pointer; transition: all .2s ease; }
.nav-lang a:hover { color: var(--purple); }
.nav-lang a.on { background: var(--purple); color: #fff; }
.nav-lang a.on:hover { color: #fff; }
.icon-btn { width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; background: #fff; display: grid; place-items: center; cursor: pointer; color: var(--ink); transition: all .2s ease; }
.icon-btn:hover { border-color: var(--ink); }
.nav-toggle {
  display: none; width: 46px; height: 46px; border: none; background: transparent; cursor: pointer;
  flex-direction: column; justify-content: center; gap: 5px;
}
.nav-toggle span { display: block; height: 2.5px; width: 26px; background: var(--ink); border-radius: 2px; transition: .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ============================================================
   首页 Hero（TOMRA 全幅风格）
   ============================================================ */
.hero { position: relative; background: var(--sand); overflow: hidden; }
.hero-inner { position: relative; display: grid; grid-template-columns: 1.02fr .98fr; gap: 40px; align-items: center; min-height: calc(100vh - var(--nav-h) - 40px); padding: 60px 0; }
.hero h1 { font-size: clamp(36px, 5.5vw, 70px); line-height: 1.02; margin-bottom: 24px; letter-spacing: -.03em; }
.hero h1 .hl { color: var(--orange); }
.hero p.lead { font-size: 18px; color: var(--ink-2); max-width: 540px; margin-bottom: 32px; line-height: 1.6; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 44px; }
.hero-mini { display: flex; gap: 44px; flex-wrap: wrap; }
.hero-mini .m b { display: block; font-family: "Archivo", sans-serif; font-size: 36px; font-weight: 800; color: var(--ink); line-height: 1; letter-spacing: -.02em; }
.hero-mini .m span { font-size: 12.5px; color: var(--muted); margin-top: 6px; display: block; }
.hero-illu { position: relative; }

/* 传感器标签条 */
.sensor-strip { background: var(--ink); color: #d9d9d2; }
.sensor-strip .container { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 40px; padding: 26px 40px; }
.sensor-strip .lbl { font-size: 12px; letter-spacing: 2px; color: var(--orange); font-weight: 700; text-transform: uppercase; }
.sensor-strip .chip { font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 9px; }
.sensor-strip .chip::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--orange); }

/* ============================================================
   通用网格 / 卡片（TOMRA 图上文下 + 箭头）
   ============================================================ */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* 特性卡（图标） */
.feature { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; transition: all .28s ease; }
.feature:hover { border-color: var(--ink); transform: translateY(-4px); }
.feature .icon { width: 48px; height: 48px; display: grid; place-items: center; color: var(--orange); margin-bottom: 16px; }
.feature h3 { font-size: 18px; margin-bottom: 10px; }
.feature p { color: var(--muted); font-size: 14px; }

/* 产品优势与特点（紧凑版：4 列、上下缩小） */
.features-compact { gap: 16px; }
.features-compact .feature { padding: 18px 16px; }
.features-compact .feature .icon { width: 36px; height: 36px; margin-bottom: 10px; }
.features-compact .feature .icon .ic { width: 24px; height: 24px; }
.features-compact .feature h3 { font-size: 15px; margin-bottom: 5px; }
.features-compact .feature p { font-size: 13px; line-height: 1.5; }

@media (max-width: 900px) {
  .features-compact { grid-template-columns: repeat(2, 1fr); }
}

/* TOMRA 图片卡 */
.tcard { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: all .3s ease; }
.tcard:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.tcard .tc-media { aspect-ratio: 16/10; position: relative; overflow: hidden; }
.tcard .tc-media svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.tcard .tc-body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.tcard .tc-cat { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--orange); font-weight: 700; margin-bottom: 10px; }
.tcard .tc-body h3 { font-size: 18px; margin-bottom: 8px; }
.tcard .tc-body p { color: var(--muted); font-size: 14px; flex: 1; margin-bottom: 16px; }

.ic { width: 30px; height: 30px; stroke: currentColor; fill: none; stroke-width: 1.7; }

/* ============================================================
   内页 Hero
   ============================================================ */
.page-hero { position: relative; background: var(--sand); color: var(--ink); overflow: hidden; }
.page-hero::after { display: none; }
.page-hero .container { position: relative; z-index: 2; padding: 24px 0 32px; }
.page-hero h1 { font-size: clamp(24px, 3vw, 34px); margin: 8px auto 0; max-width: none; color: var(--ink); text-align: center; }
.page-hero p { font-size: 14px; color: var(--muted); max-width: 680px; line-height: 1.6; margin: 0 auto; }
.page-hero .breadcrumb { font-size: 14px; color: var(--muted); margin-bottom: 12px; letter-spacing: .5px; text-align: center; }
.page-hero--slim { background: var(--sand); color: var(--ink); }
.breadcrumb { font-size: 14px; color: var(--ink); font-weight: 700; margin-bottom: 20px; letter-spacing: .5px; text-align: center; }
.breadcrumb a { color: var(--ink); }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb span { color: var(--orange); }

/* ============================================================
   图文分栏
   ============================================================ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split.reverse .media { order: -1; }
.split .media { border-radius: var(--radius-lg); min-height: 420px; position: relative; overflow: hidden; background: var(--sand-3); }
.checklist li { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 14px; font-size: 15px; }
.checklist li .ck { flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%; background: var(--orange); color: #fff; display: grid; place-items: center; margin-top: 2px; font-size: 13px; font-weight: 800; }
.checklist li b { color: var(--ink); }

/* ============================================================
   数据条
   ============================================================ */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.stat { border-top: 3px solid var(--orange); padding: 26px 6px 0; }
.stat b { display: block; font-family: "Archivo", sans-serif; font-size: clamp(40px, 5.5vw, 64px); font-weight: 800; color: #fff; line-height: 1; letter-spacing: -.02em; }
.stat b .u { font-size: 24px; }
.stat span { color: #a7a79e; font-size: 15px; margin-top: 12px; display: block; }

/* ============================================================
   CTA 区块
   ============================================================ */
.cta-band { background: var(--orange); color: #fff; border-radius: var(--radius-lg); padding: 56px 48px; position: relative; overflow: hidden; }
.cta-band .cta-inner { position: relative; z-index: 2; max-width: 640px; }
.cta-band h2 { font-size: clamp(24px, 3.5vw, 40px); margin-bottom: 12px; }
.cta-band p { color: #ffe6da; font-size: 16px; margin-bottom: 24px; }
.cta-band::after { content: ""; position: absolute; right: -60px; bottom: -60px; width: 340px; height: 340px; border-radius: 50%; background: rgba(255,255,255,.1); }

/* ============================================================
   流程步骤 —— 4 色块 + 箭头一排
   ============================================================ */
.steps-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: stretch;
  gap: 0;
}
.step-tile {
  position: relative;
  background: linear-gradient(155deg, #552c88 0%, #43206e 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 30px 32px;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 14px 36px rgba(85, 44, 136, 0.22);
  transition: transform .35s ease, box-shadow .35s ease;
  overflow: hidden;
  isolation: isolate;
}
.step-tile::before {
  content: "";
  position: absolute;
  right: -50px;
  top: -50px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  z-index: 0;
}
.step-tile::after {
  content: "";
  position: absolute;
  left: -30px;
  bottom: -40px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  z-index: 0;
}
.step-tile:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 50px rgba(85, 44, 136, 0.32);
}
.step-tile > * { position: relative; z-index: 1; }
.step-tile .tile-num {
  font-family: "Archivo", sans-serif;
  font-size: 40px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.95);
  line-height: 1;
  margin-bottom: 14px;
  letter-spacing: -.03em;
}
.step-tile h3 {
  font-size: 20px;
  margin-bottom: 8px;
  color: #fff;
}
.step-tile p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  line-height: 1.6;
  flex: 1;
}
.step-tile .tile-icon {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  margin-top: 18px;
  align-self: flex-start;
}
.step-tile .tile-icon svg { width: 22px; height: 22px; }

.step-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--purple);
  padding: 0 10px;
}
.step-arrow svg { width: 40px; height: 24px; }

/* ============================================================
   规格表 / 产品页
   ============================================================ */
.spec-table { width: 100%; border-collapse: collapse; background: #fff; color: var(--ink); border: 1.5px solid var(--ink); }
.spec-table th, .spec-table td { padding: 14px 20px; text-align: center; font-size: 14px; color: var(--ink); border: 1px solid var(--ink); }
.spec-table thead th { background: #fff; color: var(--ink); font-weight: 800; letter-spacing: .5px; font-family: "Archivo", sans-serif; border-bottom: 1.5px solid var(--ink); }
.spec-table tbody th { background: #fff; text-align: left; color: var(--ink); font-weight: 800; white-space: nowrap; border-right: 1.5px solid var(--ink); }
.spec-table tbody tr:hover td,
.spec-table tbody tr:hover th { background: #fff; }
.spec-table td .hi { color: var(--ink); font-weight: 800; font-size: 16px; }
.spec-note { font-size: 12px; color: var(--muted); margin-top: 14px; }
.table-wrap { overflow-x: auto; }

.model-card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; transition: all .3s ease; }
.model-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.model-card .mc-top { background: var(--ink); color: #fff; padding: 30px; position: relative; overflow: hidden; }
.model-card .mc-top::after { content: ""; position: absolute; right: -30px; top: -30px; width: 120px; height: 120px; background: var(--orange); opacity: .18; border-radius: 50%; }
.model-card .mc-top .mname { font-family: "Archivo", sans-serif; font-size: 34px; font-weight: 800; letter-spacing: -.02em; }
.model-card .mc-top .mtag { font-size: 13px; color: var(--orange); letter-spacing: 1px; font-weight: 600; margin-top: 4px; }
.model-card .mc-body { padding: 26px 30px 32px; }
.model-card .mc-body .row { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; }
.model-card .mc-body .row:last-child { border-bottom: none; }
.model-card .mc-body .row span { color: var(--muted); }
.model-card .mc-body .row b { color: var(--ink); }

.material-tile { border-radius: var(--radius); overflow: hidden; position: relative; min-height: 220px; display: flex; flex-direction: column; justify-content: flex-end; border: 1px solid var(--line); }
.material-tile::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(0,0,0,.65) 100%); z-index: 1; pointer-events: none; }
.material-tile svg, .material-tile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.material-tile .mt-txt {
  position: relative;
  z-index: 2;
  margin: 0 24px 24px;
  padding: 14px 18px;
  color: #fff;
  background: rgba(0, 0, 0, 0.78);
  border-radius: 6px;
  display: inline-block;
  align-self: flex-start;
  max-width: calc(100% - 48px);
}
.material-tile h3 { font-size: 18px; }
.material-tile p { font-size: 12.5px; opacity: .95; margin-top: 4px; }

/* 研发实力图片卡（图片在上 + 左下黑色文字框） */
.rnd-card { position: relative; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #14161a; display: flex; flex-direction: column; }
.rnd-card .rnd-media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.rnd-card .rnd-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.rnd-card:hover .rnd-media img { transform: scale(1.05); }
.rnd-card .rnd-txt {
  position: relative;
  z-index: 2;
  margin: 16px 20px 20px;
  padding: 14px 18px;
  color: #fff;
  background: rgba(0, 0, 0, 0.78);
  border-radius: 6px;
  display: inline-block;
  align-self: flex-start;
  max-width: calc(100% - 40px);
}
.rnd-card .rnd-txt h3 { font-size: 16px; line-height: 1.35; }
.rnd-card .rnd-txt p { font-size: 12.5px; opacity: .9; margin-top: 6px; line-height: 1.5; }

/* ============================================================
   方案流程图
   ============================================================ */
.solution-block { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: #fff; }
.solution-block .sb-head { display: flex; align-items: center; gap: 18px; padding: 24px 28px; background: var(--ink); color: #fff; }
.solution-block .sb-head .badge { background: var(--orange); padding: 5px 14px; border-radius: 999px; font-size: 12px; font-weight: 700; white-space: nowrap; }
.solution-block .sb-head h3 { font-size: 22px; }
.solution-block .sb-body { padding: 28px; }
.solution-block .sb-body ul li { display: flex; gap: 12px; margin-bottom: 12px; color: var(--ink); font-size: 15px; }
.solution-block .sb-body ul li::before { content: "→"; color: var(--orange); font-weight: 900; }
.sb-sub { color: var(--muted); font-size: 15px; line-height: 1.65; margin: 0; }
.sol-row .sb-sub { font-size: 16px; }

/* ================================================
   方案栏目重设计 v2：工业蓝图风 · 精度进化叙事
   ================================================ */

/* 方案进化容器 */
.sol-evo-wrap { display: flex; flex-direction: column; gap: 40px; }

/* 单张进化卡 */
.sol-evo-card {
  display: grid;
  grid-template-columns: 200px 1fr 38%;
  gap: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  transition: box-shadow .3s ease, border-color .3s ease;
  min-height: 300px;
}
.sol-evo-card:hover { border-color: var(--orange); box-shadow: 0 12px 40px rgba(85,44,136,.1); }

/* 左侧：编号区 */
.sol-evo-left {
  background: var(--sand);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 32px 28px 28px;
  position: relative;
  min-height: 300px;
}
.sol-evo-left::after {
  content: "";
  position: absolute;
  right: -1px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: repeating-linear-gradient(
    to bottom,
    var(--orange) 0px,
    var(--orange) 6px,
    transparent 6px,
    transparent 14px
  );
}
.sol-evo-num {
  font-family: "Archivo", "Inter", sans-serif;
  font-size: clamp(80px, 8vw, 116px);
  font-weight: 200;
  color: var(--line);
  line-height: 1;
  letter-spacing: -.04em;
  margin: 0 0 auto;
  user-select: none;
}
.sol-evo-label {
  font-family: "Archivo", sans-serif;
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--orange);
  font-weight: 700;
  margin-bottom: 6px;
}
.sol-evo-cat {
  font-family: "Archivo", sans-serif;
  font-size: 13px;
  font-weight: 800;
  color: var(--ink);
  margin-top: 4px;
}

/* 中间：内容区 */
.sol-evo-mid { padding: 28px 32px 28px; display: flex; flex-direction: column; gap: 16px; }
.sol-evo-mid h3 { margin: 0; font-family: "Archivo", "Inter", sans-serif; font-size: clamp(22px, 2.2vw, 28px); font-weight: 800; color: var(--ink); line-height: 1.2; letter-spacing: -.01em; }
.sol-evo-mid .sol-evo-lead { color: var(--muted); font-size: 15px; line-height: 1.7; margin: 0; max-width: 540px; }

/* 技术参数网格 */
.sol-evo-specs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 6px; }
.sol-evo-spec { background: var(--sand-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.sol-evo-spec .spec-val { font-family: "Archivo", "Inter", sans-serif; font-size: 20px; font-weight: 800; color: var(--ink); line-height: 1; margin-bottom: 5px; }
.sol-evo-spec .spec-lbl { font-size: 11px; color: var(--muted); line-height: 1.4; }

/* 右侧：图片区 */
.sol-evo-right { position: relative; overflow: hidden; background: var(--sand-3); }
.sol-evo-right img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

/* 底部 CTA 栏 */
.sol-evo-cta {
  background: var(--ink);
  border-radius: var(--radius-lg);
  padding: 44px 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  margin-top: 28px;
}
.sol-evo-cta-txt { flex: 1; }
.sol-evo-cta-txt p { color: rgba(255,255,255,.75); font-size: 15px; line-height: 1.6; margin: 8px 0 0; }
.sol-evo-cta-txt h4 { color: #fff; font-family: "Archivo", "Inter", sans-serif; font-size: clamp(18px, 1.8vw, 24px); font-weight: 800; margin: 0; letter-spacing: -.01em; }
.sol-evo-cta-actions { display: flex; gap: 14px; flex-shrink: 0; flex-wrap: wrap; }

/* 响应式 */
@media (max-width: 1100px) {
  .sol-evo-card { grid-template-columns: 160px 1fr 38%; }
  .sol-evo-specs { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .sol-evo-card { grid-template-columns: 1fr; }
  .sol-evo-left { min-height: auto; border-right: none; border-bottom: 1px solid var(--line); flex-direction: row; align-items: center; padding: 20px 24px; }
  .sol-evo-left::after { display: none; }
  .sol-evo-num { font-size: 56px; margin: 0; }
  .sol-evo-label, .sol-evo-cat { margin-bottom: 0; }
  .sol-evo-right { aspect-ratio: 16/8; position: relative; height: auto; }
  .sol-evo-cta { flex-direction: column; align-items: flex-start; padding: 36px 32px; }
}

/* 方案纵向三列：图片 + 内容 */
.sol-vertical { display: flex; flex-direction: column; gap: 40px; }

/* === 方案栏目重设计：杂志风、左大右小 === */
.sol-feature { display: grid; grid-template-columns: 7fr 5fr; gap: 28px; align-items: stretch; }
.sol-feature .sol-main,
.sol-feature .sol-side { display: flex; flex-direction: column; gap: 24px; }

/* 主方案卡 */
.sol-main-card { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; }
.sol-main-card .sol-main-media { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: var(--sand-3); }
.sol-main-card .sol-main-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.sol-main-card:hover .sol-main-media img { transform: scale(1.05); }
.sol-main-card .sol-main-body { padding: 32px 36px 36px; display: flex; flex-direction: column; gap: 14px; }
.sol-main-card .sol-num { font-family: "Archivo", "Inter", sans-serif; font-size: clamp(70px, 8vw, 120px); font-weight: 200; line-height: .85; color: var(--sand-3); letter-spacing: -.03em; margin: -8px 0 -14px; }
.sol-main-card .sol-tag { font-family: "Archivo", sans-serif; font-size: 11px; letter-spacing: 3px; text-transform: uppercase; color: var(--orange); font-weight: 700; }
.sol-main-card .sol-h { font-family: "Archivo", "Inter", sans-serif; font-size: clamp(24px, 2.4vw, 32px); font-weight: 800; line-height: 1.2; color: var(--ink); margin: 0; letter-spacing: -.01em; }
.sol-main-card .sol-lead { color: var(--muted); font-size: 15px; line-height: 1.7; max-width: 560px; margin: 0; }
.sol-main-card .sol-points { list-style: none; padding: 0; margin: 6px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 20px; }
.sol-main-card .sol-points li { display: flex; gap: 10px; align-items: flex-start; color: var(--ink); font-size: 14px; line-height: 1.5; }
.sol-main-card .sol-points li::before { content: "+"; color: var(--orange); font-weight: 800; flex-shrink: 0; line-height: 1.5; }

/* 右侧小卡 */
.sol-mini { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px 30px; display: flex; flex-direction: column; gap: 10px; transition: all .28s ease; flex: 1; }
.sol-mini:hover { border-color: var(--ink); transform: translateY(-3px); }
.sol-mini .sol-mini-head { display: flex; align-items: baseline; gap: 14px; }
.sol-mini .sol-mini-num { font-family: "Archivo", "Inter", sans-serif; font-size: 40px; font-weight: 300; color: var(--orange); line-height: 1; letter-spacing: -.02em; }
.sol-mini h4 { margin: 0; font-family: "Archivo", "Inter", sans-serif; font-size: 18px; font-weight: 800; color: var(--ink); line-height: 1.3; }
.sol-mini p { color: var(--muted); font-size: 14px; line-height: 1.6; margin: 0; }

/* 右下深色 callout */
.sol-callout { background: var(--ink); color: #fff; border-radius: var(--radius-lg); padding: 30px 32px; display: flex; flex-direction: column; gap: 14px; }
.sol-callout .sol-callout-label { font-family: "Archivo", sans-serif; font-size: 11.5px; letter-spacing: 2.5px; text-transform: uppercase; color: var(--orange); font-weight: 700; }
.sol-callout p { font-size: 15px; line-height: 1.55; margin: 0; }
.sol-callout a { color: #fff; font-weight: 700; border-bottom: 2px solid var(--orange); padding-bottom: 2px; font-size: 13px; align-self: flex-start; }

@media (max-width: 980px) {
  .sol-feature { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .sol-main-card .sol-main-body { padding: 30px 26px 34px; }
  .sol-main-card .sol-points { grid-template-columns: 1fr; }
}
.sol-row {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 0;
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.sol-row:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--ink); }
.sol-row.reverse { grid-template-columns: 1.1fr 1fr; }
.sol-row.reverse .sol-media { order: 2; }
.sol-row.sol-text-left { grid-template-columns: 1fr 1.1fr; }
.sol-row.sol-text-left .sol-media { order: 2; }
.sol-row .sol-media { position: relative; min-height: 360px; overflow: hidden; background: var(--sand-3); }
.sol-row .sol-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.sol-row:hover .sol-media img { transform: scale(1.15); }
.sol-row .sol-content { display: flex; flex-direction: column; }
.sol-row .sol-content .sb-head { border-radius: 0; }
.sol-row .sol-content .sb-body { flex: 1; padding: 32px 36px 36px; }

@media (max-width: 820px) {
  .sol-row, .sol-row.reverse, .sol-row.sol-text-left { grid-template-columns: 1fr; }
  .sol-row.reverse .sol-media, .sol-row.sol-text-left .sol-media { order: 0; }
  .sol-row .sol-media { min-height: 260px; aspect-ratio: 16/10; }
}

.flow-diagram { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 28px; }
.flow-node { flex: 1; min-width: 130px; background: var(--sand-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; text-align: center; }
.flow-node.input { background: var(--ink); color: #fff; border: none; }
.flow-node.engine { background: var(--orange); color: #fff; border: none; font-weight: 800; }
.flow-node .fn-title { font-weight: 800; font-size: 15px; }
.flow-node .fn-sub { font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.flow-node.input .fn-sub, .flow-node.engine .fn-sub { color: rgba(255,255,255,.85); }
.flow-outputs { display: flex; flex-direction: column; gap: 8px; flex: 1.2; min-width: 150px; }
.flow-outputs .out { background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--orange); border-radius: 4px; padding: 10px 14px; font-size: 13px; font-weight: 600; color: var(--ink); }
.flow-outputs .out.waste { border-left-color: var(--muted); color: var(--muted); }
.flow-sep { font-size: 28px; color: var(--orange); font-weight: 700; }

/* 应用场景 图片卡片 */
.scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.scene-card { position: relative; display: block; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3; box-shadow: var(--shadow); }
.scene-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.scene-card:hover img { transform: scale(1.06); }
.scene-card .scene-overlay { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end; align-items: flex-start; padding: 24px; }
.scene-card .scene-tag { background: rgba(0,0,0,.82); padding: 14px 18px; border-radius: var(--radius); }
.scene-card .scene-label { display: block; color: #fff; font-size: 11.5px; font-weight: 700; letter-spacing: 1.5px; margin-bottom: 5px; }
.scene-card .scene-overlay h3 { color: #fff; font-size: 18px; line-height: 1.35; margin: 0; }

.app-tile { padding: 30px; border-radius: var(--radius); border: 1px solid var(--line); background: #fff; transition: all .28s ease; }
.app-tile:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--ink); }
.app-tile .num-badge { font-family: "Archivo", sans-serif; font-size: 14px; color: var(--orange); font-weight: 800; letter-spacing: 1px; }
.app-tile h3 { font-size: 18px; margin: 8px 0 8px; }
.app-tile p { color: var(--muted); font-size: 14px; }

/* ============================================================
   新闻中心
   ============================================================ */
.news-featured { display: grid; grid-template-columns: 1.1fr 1fr; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: #fff; }
.news-featured .nf-media { min-height: 380px; position: relative; overflow: hidden; background: #14161a; }
.news-featured .nf-media svg, .news-featured .nf-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.news-featured .nf-body { padding: 40px; display: flex; flex-direction: column; justify-content: center; }
.news-featured .nf-body h2 { font-size: 28px; margin: 12px 0 14px; letter-spacing: -.02em; }
.news-featured .nf-body p { color: var(--muted); margin-bottom: 22px; font-size: 15px; }

.news-card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; transition: all .3s ease; display: flex; flex-direction: column; }
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.news-card .nc-media { aspect-ratio: 16/10; position: relative; overflow: hidden; background: #14161a; }
.news-card .nc-media svg, .news-card .nc-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.news-card:hover .nc-media img { transform: scale(1.05); }
.news-card .nc-body { padding: 20px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.news-card .nc-body h3 { font-size: 17px; margin: 10px 0; letter-spacing: -.01em; }
.news-card .nc-body p { color: var(--muted); font-size: 14px; flex: 1; margin-bottom: 14px; }
.news-meta { font-size: 12px; color: var(--orange); font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; }

/* ============================================================
   关于 / 联系
   ============================================================ */
.timeline { border-left: 2px solid var(--line); margin-left: 8px; }
.timeline .tl-item { position: relative; padding: 0 0 38px 34px; }
.timeline .tl-item::before { content: ""; position: absolute; left: -9px; top: 4px; width: 16px; height: 16px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 5px var(--orange-100); }
.timeline .tl-item .yr { font-family: "Archivo", sans-serif; font-weight: 800; color: var(--orange); font-size: 14px; letter-spacing: 1px; }
.timeline .tl-item h3 { font-size: 18px; margin: 5px 0 5px; }
.timeline .tl-item p { color: var(--muted); font-size: 14px; }


.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.contact-info .ci-item { display: flex; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.contact-info .ci-item .ci-ic { width: 46px; height: 46px; border-radius: 50%; background: var(--orange-100); color: var(--orange-600); display: grid; place-items: center; flex-shrink: 0; }
.contact-info .ci-item b { display: block; color: var(--ink); font-size: 15px; }
.contact-info .ci-item span { color: var(--muted); font-size: 14px; }
.contact-info .ci-item a:hover { color: var(--orange); }

.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px; }
.map-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px; }
.map-address { font-size: 15px; font-weight: 600; color: var(--ink); margin-bottom: 5px; }
.map-embed { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); aspect-ratio: 16 / 10; }
.map-embed iframe { width: 100%; height: 100%; border: 0; display: block; }
.map-nav-btn { width: 100%; justify-content: center; margin-top: 20px; }
.wechat-qr { display: flex; align-items: center; gap: 18px; margin-top: 28px; padding: 20px; background: var(--sand-2); border: 1px solid var(--line); border-radius: var(--radius-lg); }
.wechat-qr img { width: 220px; height: 220px; border-radius: var(--radius); background: #fff; padding: 10px; border: 1px solid var(--line); object-fit: contain; flex-shrink: 0; }
.wechat-qr-text b { display: block; color: var(--ink); font-size: 15px; margin-bottom: 5px; }
.wechat-qr-text span { color: var(--muted); font-size: 13px; }

/* 联系页整体居中 */
.contact-section .contact-info,
.contact-section .map-card { text-align: center; }
.contact-section .contact-info .ci-item { justify-content: center; }
.contact-section .wechat-qr { flex-direction: column; text-align: center; }
.contact-section .map-address { text-align: center; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13px; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius);
  font-size: 14px; font-family: inherit; color: var(--ink); background: var(--sand-2); transition: all .2s ease;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--orange); background: #fff; box-shadow: 0 0 0 3px rgba(85,44,136,.14); }
.field textarea { resize: vertical; min-height: 110px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-note { display: none; margin-top: 16px; padding: 14px 18px; background: var(--orange-100); color: var(--orange-600); border-radius: var(--radius); font-size: 14px; font-weight: 600; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { background: var(--dark); color: #97978e; padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 0.8fr 1.3fr; gap: 48px; align-items: start; }
.site-footer h4 { color: #fff; font-size: 13px; margin-bottom: 20px; letter-spacing: 1.5px; text-transform: uppercase; font-family: "Archivo", sans-serif; position: relative; padding-bottom: 12px; }
.site-footer h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 28px; height: 2px; background: var(--orange); }
.site-footer li { margin-bottom: 12px; font-size: 14px; }
.site-footer li a { color: #97978e; transition: color .2s ease, padding-left .2s ease; display: inline-block; }
.site-footer li a:hover { color: var(--orange); padding-left: 6px; }
.footer-brand .brand-text b { color: #fff; }

/* 公司 logo 白底容器 */
.footer-logo-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  padding: 14px 22px;
  border-radius: 8px;
  margin-bottom: 24px;
  box-shadow: 0 6px 18px rgba(0,0,0,.25);
}
.footer-logo-box .brand-logo { height: 46px; width: auto; display: block; }

.footer-brand p { margin-top: 0; font-size: 14px; max-width: 420px; line-height: 1.8; color: #b4b4aa; }

/* 联系方式列表：图标 + 文字两列式 */
.footer-contact { margin-top: 4px; }
.footer-contact li { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 18px; }
.footer-contact .fc-ic {
  flex-shrink: 0;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  color: var(--orange);
  display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.08);
}
.footer-contact li > div { display: flex; flex-direction: column; gap: 3px; padding-top: 2px; }
.footer-contact .fc-label {
  font-size: 12px;
  color: #7d7d75;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 600;
}
.footer-contact li a { color: #eceae4 !important; font-weight: 600; font-size: 14px; padding-left: 0 !important; }
.footer-contact li a:hover { color: var(--orange) !important; padding-left: 0 !important; }
.footer-contact li span:not(.fc-label) { color: #eceae4; font-size: 14px; font-weight: 500; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 48px; padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 12px; }

/* 产品中心 · 产品介绍（统一图文布局 1.1 : 1） */

/* Footer 微信二维码模块 */
.footer-wechat {
  margin-top: 26px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 12px;
  transition: background .2s ease, border-color .2s ease;
}
.footer-wechat:hover { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.18); }
.footer-wechat img {
  width: 86px;
  height: 86px;
  border-radius: 8px;
  background: #fff;
  padding: 6px;
  border: 1px solid rgba(255,255,255,.08);
  object-fit: contain;
  flex-shrink: 0;
  display: block;
}
.footer-wechat .fw-text { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.footer-wechat .fw-text b {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .5px;
  font-family: "Archivo", sans-serif;
}
.footer-wechat .fw-text span {
  color: #97978e;
  font-size: 12px;
  line-height: 1.6;
}

/* ============================================================
   杂项
   ============================================================ */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.tag { display: inline-block; padding: 5px 14px; border-radius: 999px; background: var(--orange-100); color: var(--orange-600); font-size: 11.5px; font-weight: 700; letter-spacing: .5px; }

/* ============================================================
   语言切换（顶部条）
   ============================================================ */
.topbar .lang { display: inline-flex; align-items: center; gap: 6px; color: #bdbdb5; }
.topbar .lang a { padding: 2px 6px; border-radius: 3px; }
.topbar .lang a.on { background: var(--orange); color: #fff; }
.topbar .stock { color: #bdbdb5; }
.topbar .stock b { color: #fff; font-weight: 700; letter-spacing: .5px; }

/* ============================================================
   Mega 下拉菜单
   ============================================================ */
.menu > li { position: relative; }
.menu > li > a .caret { font-size: 10px; margin-left: 4px; opacity: .6; }
.mega {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(12px);
  background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--orange);
  box-shadow: var(--shadow); border-radius: 0 0 10px 10px; padding: 24px 26px;
  display: grid; grid-template-columns: repeat(2, minmax(180px, 1fr)); gap: 4px 30px;
  opacity: 0; visibility: hidden; transition: opacity .22s ease, transform .22s ease; z-index: 60;
}
.menu > li.has-mega:hover > .mega { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.mega .mega-col h5 { font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--orange); margin: 6px 12px 10px; font-family: "Archivo", sans-serif; }
.mega a { display: block; padding: 9px 12px; border-radius: 6px; font-weight: 500; font-size: 14.5px; color: var(--ink-2); white-space: nowrap; }
.mega a:hover { background: var(--sand-2); color: var(--orange); }

/* ============================================================
   Hero 横幅（chinataiho 风格）
   ============================================================ */
.hero-banner { position: relative; background: var(--ink); color: #fff; overflow: hidden; min-height: 82vh; display: flex; align-items: center; }
.hero-banner .hb-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; }
.hero-banner .hb-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center right; z-index: 1; }
.hero-banner .hb-bg { position: absolute; inset: 0; opacity: .55; z-index: 0; }
.hero-banner .hb-bg svg { width: 100%; height: 100%; }
.hero-banner::after { content: ""; position: absolute; inset: 0; z-index: 2; background: linear-gradient(90deg, rgba(20,22,26,.92) 0%, rgba(20,22,26,.7) 34%, rgba(20,22,26,.28) 62%, rgba(20,22,26,.08) 100%); }
.hero-banner .container { position: relative; z-index: 3; padding: 70px 60px; width: 100%; max-width: 900px; }
.hero-scroll { position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%); z-index: 4; display: flex; flex-direction: column; align-items: center; gap: 10px; color: rgba(255,255,255,.75); font-size: 11px; letter-spacing: 2px; }
.hero-scroll .mouse { width: 26px; height: 42px; border: 2px solid rgba(255,255,255,.6); border-radius: 14px; position: relative; }
.hero-scroll .mouse::after { content: ""; position: absolute; left: 50%; top: 8px; transform: translateX(-50%); width: 4px; height: 8px; background: #fff; border-radius: 2px; animation: scrolldot 1.6s ease-in-out infinite; }
@keyframes scrolldot { 0% { opacity: 0; transform: translate(-50%, 0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translate(-50%, 12px); } }
.hero-banner .hb-tagline { font-family: "Archivo", sans-serif; font-size: 15px; letter-spacing: 6px; color: var(--orange); text-transform: uppercase; margin-bottom: 22px; }
.hero-banner h1 { font-size: clamp(30px, 4vw, 50px); line-height: 1.3; margin-bottom: 20px; letter-spacing: -.02em; }
.hero-banner h1 .hl-box { display: inline; background: #000; color: #fff; padding: 4px 16px; border-radius: 4px; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.hero-banner .hb-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-banner .hero-subtitle { font-size: 16px; line-height: 2; text-align: left; color: #e9e9ea; font-weight: 600; }
.hero-banner .hero-tagline { font-size: 18px; font-weight: 700; color: #fff; margin-top: 16px; }
.hero-text-block { background: rgba(20,22,26,.25); padding: 28px 32px; border-radius: 12px; backdrop-filter: blur(8px); }

/* ============================================================
   业务板块 大面板
   ============================================================ */
.segments { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.segment { position: relative; min-height: 360px; border-radius: var(--radius-lg); overflow: hidden; display: flex; align-items: flex-end; color: #fff; border: 1px solid var(--line); }
.segment .seg-bg { position: absolute; inset: 0; transition: transform .5s ease; }
.segment .seg-bg svg { width: 100%; height: 100%; }
.segment::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(20,22,26,.05) 30%, rgba(20,22,26,.85) 100%); z-index: 1; }
.segment:hover .seg-bg { transform: scale(1.07); }
.segment .seg-body { position: relative; z-index: 2; padding: 32px; width: 100%; }
.segment .seg-tag { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--orange); font-weight: 700; }
.segment .seg-body h3 { font-size: 22px; margin: 8px 0 6px; }
.segment .seg-body p { font-size: 14px; color: #d6d6cf; margin-bottom: 14px; }
.segment .seg-more { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14px; color: #fff; }
.segment .seg-more .arrow { color: var(--orange); transition: transform .25s ease; }
.segment:hover .seg-more .arrow { transform: translateX(5px); }

/* ============================================================
   资质 / 优势 徽章条
   ============================================================ */
.honors { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px 46px; }
.honor { display: flex; align-items: center; gap: 12px; font-weight: 600; font-size: 15px; color: var(--ink); }
.honor .h-ic { width: 42px; height: 42px; border-radius: 50%; background: var(--orange-100); color: var(--orange-600); display: grid; place-items: center; flex-shrink: 0; }

/* ============================================================
   公司简介 + 大数字
   ============================================================ */
.profile-stats { display: flex; gap: 56px; flex-wrap: wrap; margin-top: 8px; }
.profile-stats .ps b { display: block; font-family: "Archivo", sans-serif; font-size: clamp(40px, 5.5vw, 62px); font-weight: 800; color: var(--orange); line-height: 1; letter-spacing: -.02em; }
.profile-stats .ps span { color: var(--muted); font-size: 14px; margin-top: 6px; display: block; }

/* ============================================================
   新闻热点 网格布局
   ============================================================ */
.news-section { padding: 80px 0; background: linear-gradient(180deg, var(--sand-2) 0%, #ffffff 100%); }
.news-section .sec-head { margin-bottom: 40px; }

.news-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 28px;
  align-items: stretch;
}

.news-card-large {
  position: relative;
  background: #fff; border-radius: 16px; overflow: hidden;
  border: 1px solid var(--line);
  display: flex; flex-direction: column;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.news-card-large:hover { transform: translateY(-6px); box-shadow: 0 24px 60px rgba(85,44,136,.18); border-color: rgba(85,44,136,.35); }
.news-card-large .ncl-media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: #14161a; }
.news-card-large .ncl-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.news-card-large:hover .ncl-media img { transform: scale(1.04); }
.ncl-tag {
  position: absolute; top: 18px; left: 18px;
  background: linear-gradient(135deg, var(--purple) 0%, #a06bdc 100%);
  color: #fff;
  font-size: 11px; font-weight: 700; letter-spacing: 1.8px; text-transform: uppercase;
  padding: 6px 14px; border-radius: 4px;
  box-shadow: 0 6px 16px rgba(85,44,136,.35);
}
.news-card-large .ncl-body { padding: 26px 28px 30px; flex: 1; display: flex; flex-direction: column; }
.ncl-meta { margin-bottom: 12px; display: flex; align-items: center; gap: 12px; }
.news-date { font-size: 11px; font-weight: 700; color: var(--muted); letter-spacing: 1.5px; }
.news-cat {
  font-size: 10px; font-weight: 700; color: var(--purple);
  letter-spacing: 1px; padding: 3px 10px; border-radius: 999px;
  background: var(--purple-100);
}
.ncl-title {
  font-family: "Archivo", sans-serif; font-size: 22px; font-weight: 800;
  color: var(--ink); line-height: 1.28; margin-bottom: 12px;
  letter-spacing: -.015em;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.ncl-excerpt {
  font-size: 14px; color: var(--muted); line-height: 1.8; flex: 1; margin-bottom: 20px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.ncl-read {
  font-size: 13px; font-weight: 700; color: var(--purple);
  display: inline-flex; align-items: center; gap: 8px;
  padding-top: 16px; border-top: 1px solid var(--line);
  transition: color .2s ease;
}
.ncl-read .arrow { transition: transform .25s ease; display: inline-block; }
.news-card-large:hover .ncl-read { color: var(--purple-600); }
.news-card-large:hover .ncl-read .arrow { transform: translateX(5px); }

.news-col { display: flex; flex-direction: column; gap: 22px; }
.news-card-sm {
  position: relative;
  background: #fff; border-radius: 14px; overflow: hidden;
  border: 1px solid var(--line);
  display: flex; flex-direction: row;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  flex: 1;
}
.news-card-sm:hover { transform: translateY(-4px); box-shadow: 0 18px 44px rgba(85,44,136,.14); border-color: rgba(85,44,136,.3); }
.news-card-sm .ncs-media { position: relative; aspect-ratio: 16/10; overflow: hidden; background: #14161a; flex: 0 0 42%; }
.news-card-sm .ncs-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.news-card-sm:hover .ncs-media img { transform: scale(1.05); }
.ncs-tag {
  position: absolute; top: 10px; left: 10px;
  background: linear-gradient(135deg, var(--purple) 0%, #a06bdc 100%);
  color: #fff;
  font-size: 9px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  padding: 3px 8px; border-radius: 4px;
  box-shadow: 0 4px 10px rgba(85,44,136,.3);
}
.news-card-sm .ncs-body {
  padding: 16px 18px 18px; flex: 1; display: flex; flex-direction: column;
  min-width: 0;
}
.news-card-sm .ncs-body .ncl-meta { margin-bottom: 8px; }
.news-card-sm .ncs-body h3 {
  font-size: 15px; font-weight: 700; color: var(--ink); line-height: 1.4;
  margin-bottom: 6px; transition: color .2s ease;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-card-sm:hover .ncs-body h3 { color: var(--purple); }
.news-card-sm .ncs-body p {
  font-size: 12px; color: var(--muted); line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  margin-bottom: 10px;
}
.ncs-read {
  margin-top: auto;
  font-size: 12px; font-weight: 700; color: var(--purple);
  display: inline-flex; align-items: center; gap: 6px;
}
.ncs-read span { transition: transform .2s ease; display: inline-block; }
.news-card-sm:hover .ncs-read span { transform: translateX(4px); }

/* ============================================================
   新闻栏目（首页横版大卡）
   ============================================================ */
.news-feature {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  max-width: 1080px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.news-feature:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(85,44,136,.16);
  border-color: rgba(85,44,136,.32);
}
.news-feature-media {
  position: relative;
  display: block;
  overflow: hidden;
  background: #14161a;
  min-height: 320px;
}
.news-feature-media img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.news-feature:hover .news-feature-media img { transform: scale(1.04); }
.news-feature-badge {
  position: absolute; top: 18px; left: 18px;
  background: linear-gradient(135deg, var(--purple) 0%, #a06bdc 100%);
  color: #fff;
  font-size: 11px; font-weight: 700; letter-spacing: 2px;
  padding: 6px 14px; border-radius: 4px;
  box-shadow: 0 6px 16px rgba(85,44,136,.32);
}
.news-feature-body {
  padding: 40px 44px;
  display: flex; flex-direction: column; justify-content: center;
  text-align: center;
  align-items: center;
}
.news-feature-body h3 {
  font-family: "Archivo", sans-serif;
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 800;
  color: var(--ink);
  line-height: 1.32;
  letter-spacing: -.015em;
  margin-bottom: 14px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  max-width: 100%;
}
.news-feature-meta .news-meta-dot { color: var(--line); font-weight: 400; }

/* 新闻日期居中显示 */
.news-feature-meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 14px;
  width: 100%;
}
.news-feature-meta .news-date {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 1.5px;
  text-align: center;
}
.news-feature-meta .news-cat {
  font-size: 11px;
  font-weight: 700;
  color: var(--purple);
  letter-spacing: 1.2px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--purple-100);
}
.news-feature-body p {
  font-size: 14.5px; color: var(--muted); line-height: 1.75;
  margin-bottom: 24px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.news-feature-btn {
  align-self: flex-start;
  font-size: 13px;
  padding: 10px 22px;
  border-radius: 999px;
  display: inline-flex; align-items: center; gap: 8px;
}
.news-feature-btn .arrow { transition: transform .25s ease; display: inline-block; }
.news-feature:hover .news-feature-btn .arrow { transform: translateX(4px); }

/* 产品中心 首页栏目 */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* 产品中心栏目高度收紧 */
.prod-section { padding: 50px 0; }
.prod-section .sp-media { padding: 22px; }
.prod-section .sp-body { padding: 20px 32px 26px; }

/* 产品中心标题（带橙色下划线，左侧约25%） */
.prod-head { padding-left: 8%; margin-bottom: 24px; }
.accent-title { display: inline-block; font-family: "Archivo", "Inter", sans-serif; font-size: 36px; font-weight: 800; color: var(--ink); letter-spacing: 1px; margin: 0; position: relative; }

/* 首页栏目标题：黄金比例偏左 + 橙色下划线 + 加大字号 */
.home .sec-head { display: block; padding-left: 0; margin-bottom: 40px; text-align: center; }
.home .prod-head { padding-left: 0; margin-bottom: 40px; text-align: center; }
.home .sec-head .sec-head-l { max-width: none; }
.home .sec-head .link-arrow { display: inline-flex; margin-top: 22px; }
.scene-foot { text-align: center; margin-top: 44px; }
.link-arrow-lg { font-size: 19px; gap: 10px; padding-bottom: 5px; border-bottom-width: 3px; }

/* 关于智博 双图片卡布局 */
.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.about-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--sand-2);
  transition: transform .35s ease, box-shadow .35s ease;
}
.about-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.about-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 关于我们 白底左图右文 */
.about-company { background: #fff; color: var(--ink); }
.about-split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 52px; align-items: center; }
.about-company .about-info { text-align: center; }
.about-company .about-info .eyebrow { display: block; text-align: center; }
.about-info .about-title { font-family: "Archivo", "Inter", sans-serif; font-size: 26px; font-weight: 800; color: var(--ink); letter-spacing: 1px; margin: 0 0 18px; text-align: left; }
.about-slogon {
  font-family: "Archivo", sans-serif; font-size: 26px; font-weight: 700;
  color: var(--purple); letter-spacing: 0.5px; margin: 0 auto 24px; padding-bottom: 24px;
  border-bottom: 3px solid var(--purple); text-align: left;
}
.about-desc p { font-size: 15px; line-height: 1.9; color: var(--ink-2); margin: 0 0 16px; text-align: left; }
.about-desc p:last-child { margin-bottom: 0; }
.home .split .section-title,
.home .sec-head .section-title,
.home .prod-head .accent-title {
  position: relative; display: inline-block; margin: 0;
  font-family: "Archivo", "Inter", sans-serif; font-weight: 800; font-size: 48px;
  letter-spacing: 1px; color: var(--ink); line-height: 1.1;
}

/* 单产品展示卡 */
.single-prod { max-width: 520px; margin: 0 auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; text-align: center; box-shadow: var(--shadow); }
.single-prod .sp-media { background: var(--sand-2); padding: 40px; }
.single-prod .sp-media img { width: 100%; max-width: 380px; height: auto; display: block; margin: 0 auto; }
.single-prod .sp-body { padding: 36px 40px 44px; }
.single-prod .sp-title { font-size: 24px; color: var(--ink); margin-bottom: 12px; }
.single-prod .sp-desc { font-size: 15px; color: var(--muted); line-height: 1.8; max-width: 560px; margin: 0 auto 24px; }
.single-prod .btn { justify-content: center; }

/* 章节标题带更多链接 */
.sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 48px; flex-wrap: wrap; }
.sec-head .sec-head-l { max-width: 720px; }

/* ============================================================
   文章详情页
   ============================================================ */
.article-hero .article-lead {
  font-size: 17px;
  color: var(--ink-2);
  max-width: 880px;
  line-height: 1.8;
  margin-top: 16px;
}
.article-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  margin-top: 24px;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .5px;
  flex-wrap: wrap;
  text-align: center;
}
.article-meta span { position: relative; padding-left: 16px; }
.article-meta span::before {
  content: "";
  position: absolute; left: 0; top: 50%;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--orange);
  transform: translateY(-50%);
}
.article-meta span:first-child { padding-left: 16px; }

.article-wrap { background: #fff; padding: 56px 0 24px; }
.article-wrap .container { max-width: 880px; }

.article-figure { margin: 32px 0 44px; }
.article-figure .article-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--sand-2);
  border: 1px solid var(--line);
}
.article-figure .article-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.article-figure figcaption {
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted);
  text-align: center;
  line-height: 1.7;
  padding: 0 36px;
}

.article-h3 {
  font-family: "Archivo", "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin: 32px 0 14px;
}

.article-list {
  margin: 20px 0 32px 0;
  padding-left: 28px;
  list-style: none;
}

.article-list li {
  position: relative;
  padding: 5px 0 5px 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--dark);
}

.article-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: #000;
  font-size: 18px;
  line-height: 1.6;
}

.article-list li strong {
  font-weight: 700;
}

.article-quote {
  margin: 32px 0;
  padding: 18px 22px;
  border-left: 4px solid var(--dark);
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
  line-height: 1.7;
}

.article-block { margin: 0 0 48px; }
.article-block h2 {
  font-family: "Archivo", "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 22px;
  padding-bottom: 16px;
  border-bottom: 3px solid var(--purple);
  display: inline-block;
  letter-spacing: -.01em;
}
.article-block p {
  font-size: 16.5px;
  line-height: 1.95;
  color: var(--ink-2);
  margin: 0 0 18px;
}
.article-block p:last-child { margin-bottom: 0; }

.article-appgrid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 22px;
}
.article-app {
  background: var(--sand-2);
  border: 1px solid var(--line);
  border-left: 4px solid var(--purple);
  border-radius: var(--radius);
  padding: 22px 24px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.article-app:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.article-app .aap-num {
  font-family: "Archivo", sans-serif;
  font-size: 13px;
  color: var(--orange);
  font-weight: 800;
  letter-spacing: 1.5px;
}
.article-app h3 {
  font-size: 18px;
  margin: 8px 0 8px;
  color: var(--ink);
}
.article-app p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.75;
  margin: 0;
}

.article-list { margin: 8px 0 0; padding: 0; list-style: none; }
.article-list li {
  position: relative;
  padding: 16px 0 16px 28px;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-2);
}
.article-list li:last-child { border-bottom: none; }
.article-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 26px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--purple);
  box-shadow: 0 0 0 4px var(--purple-100);
}
.article-list li b { color: var(--ink); font-weight: 700; margin-right: 10px; }
.article-list li span { color: var(--muted); }

.article-endline {
  margin-top: 12px;
  padding: 22px 26px;
  background: var(--purple-100);
  border-left: 4px solid var(--purple);
  border-radius: var(--radius);
  color: var(--purple-600);
  font-weight: 700;
  font-size: 17px !important;
}

.article-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

@media (max-width: 820px) {
  .article-appgrid { grid-template-columns: 1fr; }
  .article-figure figcaption { padding: 0; }
}

/* ============================================================
   底部悬浮导航条
   ============================================================ */
.floating-bar {
  position: fixed;
  left: 0; right: 0; bottom: 24px;
  z-index: 95;
  display: flex;
  justify-content: center;
  pointer-events: none;
  padding: 0 20px;
}
.floating-bar-inner {
  pointer-events: auto;
  background: #0d0d10;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 999px;
  padding: 8px 10px 8px 26px;
  display: inline-flex;
  align-items: center;
  gap: 18px;
  box-shadow: 0 18px 50px rgba(0,0,0,.35), 0 4px 14px rgba(0,0,0,.25);
  max-width: calc(100% - 40px);
}
.floating-bar-text {
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .5px;
  white-space: nowrap;
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
}
.floating-bar-text .fb-tag {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 2px;
  color: #b69ad6;
  font-weight: 700;
  margin-right: 8px;
  padding: 3px 6px;
  border: 1px solid rgba(182,154,214,.35);
  border-radius: 999px;
  vertical-align: middle;
  text-transform: uppercase;
}
.floating-bar-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--purple);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 20px;
  border-radius: 999px;
  white-space: nowrap;
  transition: background .22s ease, transform .22s ease, box-shadow .22s ease;
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
}
.floating-bar-cta:hover {
  background: var(--purple-600);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(85,44,136,.45);
}
.floating-bar-cta .fb-ic {
  width: 18px; height: 18px;
  display: inline-grid; place-items: center;
  background: rgba(255,255,255,.14);
  border-radius: 50%;
  flex-shrink: 0;
}
.floating-bar-cta .fb-arrow {
  font-size: 16px;
  transition: transform .22s ease;
}
.floating-bar-cta:hover .fb-arrow { transform: translateX(3px); }

@media (max-width: 820px) {
  .floating-bar { bottom: 16px; }
  .floating-bar-inner { padding: 6px 8px 6px 18px; gap: 12px; }
  .floating-bar-text { font-size: 13px; }
  .floating-bar-text .fb-tag { display: none; }
  .floating-bar-cta { padding: 10px 18px; font-size: 14px; }
}
@media (max-width: 480px) {
  .floating-bar-inner { flex-direction: column; border-radius: 18px; padding: 10px 14px; gap: 10px; }
  .floating-bar-text { white-space: normal; text-align: center; }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .container { padding: 0 40px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-inner { grid-template-columns: 1fr; gap: 30px; min-height: 0; padding: 56px 0 70px; }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .split.reverse .media { order: 0; }
  .split .media { min-height: 300px; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .steps-flow { grid-template-columns: 1fr auto 1fr; gap: 16px 0; row-gap: 24px; }
  .steps-flow .step-tile:nth-child(5),
  .steps-flow .step-tile:nth-child(7) { grid-column: span 1; }
  .steps-flow .step-arrow:nth-of-type(2) { display: none; }
  .steps-flow .step-arrow svg { width: 32px; height: 20px; }
  .news-grid { grid-template-columns: 1fr; gap: 22px; }
  .news-card-large .ncl-media { aspect-ratio: 16/9; }
  .news-feature { grid-template-columns: 1fr; }
  .news-feature-media { min-height: 280px; aspect-ratio: 4/3; }
  .news-feature-body { padding: 36px 30px 40px; }
  .news-feature-body h3 { font-size: 22px; }
}
@media (max-width: 820px) {
  .topbar { display: none; }
  .nav-toggle { display: flex; }
  .nav-cta .icon-btn, .nav-cta .btn { display: none; }
  .menu {
    position: fixed; top: var(--nav-h); left: 0; right: 0; background: #fff;
    flex-direction: column; align-items: stretch; padding: 12px 24px 28px; gap: 0;
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
    transform: translateY(-140%); transition: transform .35s ease; z-index: 90;
    max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
  }
  .menu.open { transform: translateY(0); }
  .menu > li > a { padding: 16px 8px; border-bottom: 1px solid var(--sand); font-size: 17px; }
  .menu > li > a::after { display: none; }
  .news-featured { grid-template-columns: 1fr; }
  .news-featured .nf-body { padding: 36px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .value-band { grid-template-columns: 1fr; gap: 30px; }
  .mega { display: none; }
  .hero-banner .container { padding-left: 28px; }
  .segments { grid-template-columns: 1fr; }
  .prod-grid { grid-template-columns: 1fr; }
  .news-hot { grid-template-columns: 1fr; gap: 32px; }
  .scene-grid { grid-template-columns: 1fr; }
  .about-split { grid-template-columns: 1fr; gap: 32px; }
  .about-info .about-title { font-size: 24px; }
  .about-slogon { font-size: 22px; }
  .home .sec-head { padding-left: 0; }
  .home .prod-head { padding-left: 0; }
  .home .sec-head .section-title,
  .home .prod-head .accent-title,
  .home .split .section-title { font-size: 34px; }
}
@media (max-width: 1024px) {
  .segments { grid-template-columns: 1fr; }
  .prod-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .container { padding: 0 20px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .steps-flow { grid-template-columns: 1fr; gap: 0; }
  .steps-flow .step-arrow {
    padding: 12px 0;
    transform: rotate(90deg);
  }
  .steps-flow .step-arrow svg { width: 28px; height: 18px; }
  .section { padding: 68px 0; }
  .cta-band { padding: 44px 28px; }
  .field-row { grid-template-columns: 1fr; }
  .news-section { padding: 60px 0; }
  .news-card-large .ncl-body { padding: 24px 22px 28px; }
  .ncl-title { font-size: 22px; }
  .news-card-sm { flex-direction: column; }
  .news-card-sm .ncs-media { flex: none; aspect-ratio: 16/9; }
  .news-card-sm .ncs-body { padding: 18px 20px 22px; }
  .news-card-sm .ncs-body h3 { font-size: 16px; -webkit-line-clamp: 3; }
}