/* ============================================================
   凯洛琪服饰 · 企业官网样式表
   设计：深墨框（页眉/页脚/英雄/Banner/客服）+ 香槟金 + 米色主体（轻奢高端）
   ============================================================ */

:root {
  /* 香槟金品牌色（明暗表面通用） */
  --gold-1: #E9CF95;   /* 浅香槟 */
  --gold-2: #D4AF6A;   /* 主金 */
  --gold-3: #B5873C;   /* 古铜金 */
  --brand-gradient: linear-gradient(120deg, #E9CF95 0%, #D4AF6A 50%, #B5873C 100%);
  --brand-gradient-soft: linear-gradient(120deg, rgba(212,175,106,.16), rgba(181,135,60,.16));

  /* 深墨表面（页眉 / 页脚 / Hero / 横幅 Banner / 客服 —— 暗色） */
  --bg-0: #0c1320;     /* 最深 */
  --bg-1: #121b2c;     /* 区块 */
  --bg-2: #18223a;     /* 卡片 */
  --bg-3: #20304f;     /* 悬浮 */
  --line: rgba(255,255,255,.08);
  --line-strong: rgba(255,255,255,.16);
  --txt-1: #f5f2ea;    /* 暗面主文字（暖白） */
  --txt-2: #aeb8cc;    /* 暗面次文字 */
  --txt-3: #6f7891;    /* 暗面弱文字 */

  /* 米色表面（主体内容 —— 浅色） */
  --paper:   #f6f2ea;  /* 主体背景 */
  --paper-2: #ffffff;  /* 卡片 */
  --paper-3: #efe7d8;  /* 浅米交替带 */
  --line-d: rgba(20,30,45,.08);
  --line-d-strong: rgba(20,30,45,.14);
  --ink-1: #1c2433;    /* 标题墨色 */
  --ink-2: #4a5468;    /* 正文 */
  --ink-3: #8a93a6;    /* 弱文字 */

  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 24px 60px -22px rgba(28,36,51,.26);
  --shadow-glow: 0 12px 40px -8px rgba(181,135,60,.42);
  --maxw: 1240px;
  --nav-h: 76px;
}

/* ---------- 基础重置 ---------- */
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--paper);
  color: var(--ink-2);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width:100%; display:block; }
a { color:inherit; text-decoration:none; }
ul { list-style:none; }
::selection { background: var(--gold-2); color:#fff; }

/* 滚动条 */
::-webkit-scrollbar { width:10px; height:10px; }
::-webkit-scrollbar-track { background: var(--paper-3); }
::-webkit-scrollbar-thumb { background: #cdbfa6; border-radius:8px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold-3); }

/* ---------- 通用容器 / 区块 ---------- */
.container { width:100%; max-width: var(--maxw); margin:0 auto; padding:0 24px; }
section { position:relative; padding: 110px 0; }
.section-head { text-align:center; max-width:760px; margin:0 auto 64px; }
.eyebrow {
  display:inline-block; font-size:13px; letter-spacing:3px; text-transform:uppercase;
  color: var(--gold-3); font-weight:700; margin-bottom:16px;
  padding:6px 16px; border:1px solid var(--line-d-strong); border-radius:100px;
  background: var(--brand-gradient-soft);
}
.section-title {
  font-size: clamp(28px, 4vw, 44px); font-weight:800; line-height:1.2; letter-spacing:-.5px;
  color: var(--ink-1);
}
.section-title .accent {
  background: var(--brand-gradient); -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent; color:transparent;
}
.section-sub { margin-top:18px; color: var(--ink-2); font-size:17px; }

/* 渐变文字工具 */
.grad-text {
  background: var(--brand-gradient); -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent; color:transparent;
}

/* 按钮 */
.btn {
  display:inline-flex; align-items:center; gap:10px; cursor:pointer;
  font-size:15px; font-weight:600; padding:14px 30px; border-radius:100px;
  border:1px solid transparent; transition: all .3s ease; white-space:nowrap;
}
.btn-primary {
  background: var(--brand-gradient); color:#fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow:0 18px 50px -10px rgba(181,135,60,.55); }
.btn-ghost { background: rgba(20,30,45,.03); color: var(--ink-1); border-color: var(--line-d-strong); }
.btn-ghost:hover { background: var(--brand-gradient-soft); border-color: var(--gold-2); color: var(--gold-3); }

/* 背景装饰光斑（米色主体上的克制金光） */
.glow-orb {
  position:absolute; border-radius:50%; filter: blur(90px); opacity:.22; pointer-events:none; z-index:0;
}
.glow-1 { width:520px; height:520px; background: radial-gradient(circle, rgba(212,175,106,.5), transparent 70%); top:-160px; right:-120px; }
.glow-2 { width:480px; height:480px; background: radial-gradient(circle, rgba(181,135,60,.45), transparent 70%); bottom:-160px; left:-140px; }

/* ============================================================
   导航栏（暗色）
   ============================================================ */
.nav {
  position:fixed; top:0; left:0; right:0; height: var(--nav-h); z-index:1000;
  display:flex; align-items:center;
  background: rgba(12,19,32,.74);
  -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
  border-bottom:1px solid var(--line);
  transition: background .3s ease, border-color .3s ease;
}
.nav.scrolled { background: rgba(12,19,32,.94); box-shadow:0 8px 30px -12px rgba(0,0,0,.5); }
.nav .container { display:flex; align-items:center; justify-content:space-between; }
.brand { display:flex; align-items:center; gap:12px; color: var(--txt-1); }
/* logo 透明 PNG：深底上强制渲染为纯白，保证清晰度与高级感；
   如需换成品牌金，改为 filter: brightness(0) saturate(100%) invert(72%) sepia(38%) saturate(600%) hue-rotate(357deg) brightness(92%) contrast(89%); */
.brand img { height:72px; width:auto; filter: brightness(0) invert(1); }
.brand .brand-name { display:none; font-weight:800; font-size:19px; letter-spacing:.5px; color: var(--txt-1); }
.brand .brand-name small { display:block; font-size:11px; font-weight:500; color:var(--txt-3); letter-spacing:2px; }

.nav-links { display:flex; align-items:center; gap:6px; }
.nav-links a {
  position:relative; font-size:15px; color: var(--txt-2); padding:10px 16px; border-radius:10px;
  transition: color .25s ease; font-weight:500;
}
.nav-links a:hover, .nav-links a.active { color: var(--txt-1); }
.nav-links a.active::after {
  content:""; position:absolute; left:16px; right:16px; bottom:4px; height:2px;
  background: var(--brand-gradient); border-radius:2px;
}
.nav-links li { position:relative; }
/* 页眉电话（替换在线洽谈） */
.nav-phone {
  display:inline-flex; align-items:center; gap:9px; margin-left:8px;
  font-size:15px; font-weight:700; color: var(--txt-1);
  padding:10px 18px; border-radius:100px; border:1px solid var(--line-strong);
  background: var(--brand-gradient-soft); transition: all .25s ease;
}
.nav-phone:hover { border-color: var(--gold-2); }
.nav-phone svg { width:18px; height:18px; }
.nav-toggle { display:none; flex-direction:column; gap:5px; width:42px; height:42px; justify-content:center; align-items:center; background:rgba(255,255,255,.06); border:1px solid var(--line-strong); border-radius:10px; cursor:pointer; }
.nav-toggle span { width:20px; height:2px; background:var(--txt-1); border-radius:2px; transition:.3s; }
.nav-toggle.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity:0; }
.nav-toggle.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO（暗色）
   ============================================================ */
.hero {
  position:relative; min-height:100vh; display:flex; align-items:center;
  padding-top: var(--nav-h); overflow:hidden;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(212,175,106,.18), transparent 60%),
    radial-gradient(900px 500px at 10% 110%, rgba(181,135,60,.14), transparent 55%),
    linear-gradient(160deg, #0c1320, #14203a);
}
.hero-grid {
  position:absolute; inset:0; opacity:.4;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 75%);
          mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 75%);
}
.hero .container { position:relative; z-index:2; display:grid; grid-template-columns: 1.1fr .9fr; gap:50px; align-items:center; }

.hero-badge {
  display:inline-flex; align-items:center; gap:10px; font-size:14px; color:var(--txt-2);
  padding:8px 18px; margin-top: 15px; border:1px solid var(--line-strong); border-radius:100px; margin-bottom:28px;
  background: rgba(255,255,255,.04);
}
.hero-badge .dot { width:8px; height:8px; border-radius:50%; background:var(--gold-2); box-shadow:0 0 12px var(--gold-2); }
.hero h1 { font-size: clamp(36px, 5.4vw, 66px); font-weight:900; line-height:1.08; letter-spacing:-1px; color: var(--txt-1); }
.hero h1 .line2 { display:block; }
.hero p.lead { margin-top:24px; font-size:19px; color:var(--txt-2); max-width:560px; }
.hero-actions { margin-top:38px; display:flex; gap:16px; flex-wrap:wrap; }
.hero-stats { margin-top:54px; display:flex; gap:40px; flex-wrap:wrap; }
.hero-stats .hs b { font-size:34px; font-weight:800; display:block; line-height:1; color: var(--txt-1); }
.hero-stats .hs span { font-size:14px; color:var(--txt-3); }

/* Hero 右侧视觉卡 */
.hero-visual { position:relative; }
.hero-card {
  position:relative; border-radius:24px; overflow:hidden; border:1px solid var(--line-strong);
  background: linear-gradient(160deg, var(--bg-2), var(--bg-1));
  box-shadow: var(--shadow); aspect-ratio: 4/5;
}
.hero-card img { width:100%; height:100%; object-fit:cover; opacity:.92; }
.hero-card .tag {
  position:absolute; left:18px; bottom:18px; right:18px;
  display:flex; justify-content:space-between; align-items:center;
  padding:14px 18px; border-radius:14px; background:rgba(12,19,32,.62);
  -webkit-backdrop-filter:blur(10px); backdrop-filter:blur(10px); border:1px solid var(--line); color: var(--txt-1);
}
.hero-card .tag b { font-size:15px; }
.hero-card .tag span { font-size:12px; color:var(--txt-2); }
.float-badge {
  position:absolute; padding:14px 18px; border-radius:16px; background:rgba(18,28,46,.9);
  border:1px solid var(--line-strong); -webkit-backdrop-filter:blur(12px); backdrop-filter:blur(12px);
  box-shadow: var(--shadow); font-size:14px; color: var(--txt-1);
}
.float-badge b { display:block; font-size:22px; color: var(--txt-1); }
.float-badge.a { top:24px; right:-18px; }
.float-badge.b { bottom:60px; left:-22px; }

/* ============================================================
   关于 + 数据看板（浅色主体）
   ============================================================ */
.about-wrap { display:grid; grid-template-columns: 1fr 1fr; gap:60px; align-items:center; }
.about-text p { color:var(--ink-2); font-size:16.5px; margin-bottom:18px; }
.about-text p strong { color:var(--ink-1); }
.about-tags { display:flex; flex-wrap:wrap; gap:10px; margin-top:24px; }
.about-tags span {
  font-size:13px; padding:7px 15px; border-radius:100px; color:var(--ink-2);
  border:1px solid var(--line-d-strong); background:rgba(20,30,45,.03);
}
.read-more {
  display:inline-flex; align-items:center; gap:4px; margin-left:6px;
  color:var(--gold-3); font-weight:700; text-decoration:none;
  border-bottom:1px solid transparent; transition:gap .2s, border-color .2s;
}
.read-more svg { transition:transform .2s; }
.read-more:hover { border-color:var(--gold-3); }
.read-more:hover svg { transform:translateX(3px); }
.about-visual { position:relative; border-radius:var(--radius); overflow:hidden; border:1px solid var(--line-d); box-shadow: var(--shadow); }
.about-visual img { width:100%; height:100%; object-fit:cover; min-height:360px; }

/* 数据看板 */
.stats-band {
  margin-top:90px; display:grid; grid-template-columns: repeat(5, 1fr); gap:20px;
}
.stat-card {
  text-align:center; padding:34px 18px; border-radius:var(--radius);
  background: var(--paper-2); border:1px solid var(--line-d); position:relative; overflow:hidden;
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}
.stat-card:hover { transform: translateY(-6px); border-color: var(--gold-2); box-shadow: var(--shadow); }
.stat-card::before { content:""; position:absolute; top:0; left:0; right:0; height:3px; background:var(--brand-gradient); opacity:.9; }
.stat-card .num { font-size: clamp(30px, 3.4vw, 46px); font-weight:900; line-height:1; color: var(--ink-1); }
.stat-card .num .suffix { font-size:.5em; font-weight:700; color:var(--gold-3); margin-left:2px; }
.stat-card .label { margin-top:12px; color:var(--ink-2); font-size:14.5px; }

/* ============================================================
   智能工厂（浅色主体）
   ============================================================ */
.factory-grid { display:grid; grid-template-columns: repeat(12, 1fr); gap:22px; }
.factory-feature {
  grid-column: span 6; background: var(--paper-2); border:1px solid var(--line-d);
  border-radius:var(--radius); overflow:hidden; transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}
.factory-feature.wide { grid-column: span 12; display:grid; grid-template-columns: 1.1fr 1fr; }
.factory-feature:hover { transform: translateY(-5px); border-color: var(--gold-2); box-shadow: var(--shadow); }
.factory-feature .ff-img { position:relative; overflow:hidden; aspect-ratio:16/10; background: var(--paper-3); }
.factory-feature .ff-img img { width:100%; height:100%; object-fit:cover; transition: transform .6s ease; }
.factory-feature:hover .ff-img img { transform: scale(1.06); }
.factory-feature .ff-body { padding:26px 28px; }
.factory-feature h3 { font-size:21px; font-weight:700; margin-bottom:10px; display:flex; align-items:center; gap:10px; color: var(--ink-1); }
.factory-feature h3 .idx { font-size:13px; color:var(--gold-3); font-weight:800; }
.factory-feature p { color:var(--ink-2); font-size:15px; }
.factory-feature .ff-list { margin-top:14px; display:flex; flex-wrap:wrap; gap:8px; }
.factory-feature .ff-list span { font-size:12.5px; color:var(--ink-2); background:rgba(20,30,45,.04); border:1px solid var(--line-d); padding:5px 12px; border-radius:100px; }

/* ============================================================
   产品中心（浅色主体）
   ============================================================ */
.product-tabs { display:flex; justify-content:center; flex-wrap:wrap; gap:12px; margin-bottom:20px; }
.product-tabs button {
  font-family:inherit; cursor:pointer; font-size:15px; font-weight:600; color:var(--ink-2);
  padding:12px 26px; border-radius:100px; border:1px solid var(--line-d-strong);
  background:rgba(20,30,45,.03); transition: all .3s ease;
}
.product-tabs button:hover { color:var(--ink-1); border-color:var(--gold-2); }
.product-tabs button.active { background:var(--brand-gradient); color:#fff; border-color:transparent; box-shadow: var(--shadow-glow); }

/* 一级系列标题 */
.series-head { display:flex; align-items:baseline; gap:14px; margin:14px 0 8px; }
.series-head h3 { font-size:24px; font-weight:800; color:var(--ink-1); }
.series-head .sh-line { flex:1; height:1px; background:linear-gradient(90deg, var(--line-d-strong), transparent); }
.series-desc { color:var(--ink-2); font-size:15px; margin-bottom:26px; }

.product-panel { display:none; }
.product-panel.active { display:block; animation: fadeUp .5s ease; }
@keyframes fadeUp { from{opacity:0; transform:translateY(16px);} to{opacity:1; transform:none;} }

.product-intro { text-align:center; color:var(--ink-2); max-width:680px; margin:0 auto 40px; font-size:16px; }
.product-grid { display:grid; grid-template-columns: repeat(4, 1fr); gap:18px; }
.product-card {
  background: var(--paper-2); border:1px solid var(--line-d); border-radius:var(--radius); overflow:hidden;
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}
.product-card:hover { transform: translateY(-6px); border-color: var(--gold-2); box-shadow: var(--shadow); }
/* 二级分类：产品图瓦片 */
.product-card .pc-img { aspect-ratio:3/4; overflow:hidden; background: linear-gradient(135deg, #efe7d8, #e2d6bf); display:grid; place-items:center; position:relative; }
.product-card .pc-img img { width:100%; height:100%; object-fit:cover; display:block; transition: transform .6s ease; }
.product-card:hover .pc-img img { transform: scale(1.05); }
.product-card .pc-img svg { width:46px; height:46px; opacity:.55; }
.product-card .pc-img::after { content:""; position:absolute; inset:0; background: radial-gradient(120px 80px at 30% 20%, rgba(255,255,255,.55), transparent 70%); pointer-events:none; }
.product-card .pc-body { padding:16px 18px 20px; }
.product-card .pc-body h4 { font-size:16px; font-weight:700; color: var(--ink-1); }
.product-card .pc-body p { font-size:13px; color:var(--ink-3); margin-top:4px; }

/* 功能科技 */
.tech-row { margin-top:70px; display:grid; grid-template-columns: repeat(5,1fr); gap:18px; }
.tech-item { text-align:center; padding:30px 16px; border-radius:var(--radius); background:var(--paper-2); border:1px solid var(--line-d); transition: transform .35s ease, border-color .35s ease; }
.tech-item:hover { transform: translateY(-5px); border-color: var(--gold-2); }
.tech-item .ti-ico { width:54px; height:54px; margin:0 auto 16px; border-radius:14px; display:grid; place-items:center; background:var(--brand-gradient-soft); border:1px solid var(--line-d-strong); }
.tech-item .ti-ico svg { width:26px; height:26px; }
.tech-item h4 { font-size:17px; font-weight:700; color: var(--ink-1); }
.tech-item p { font-size:13px; color:var(--ink-3); margin-top:6px; }

/* ============================================================
   企业优势（浅色主体）
   ============================================================ */
.advantage-grid { display:grid; grid-template-columns: repeat(3,1fr); gap:22px; }
.adv-card {
  position:relative; padding:34px 30px; border-radius:var(--radius); background: var(--paper-2);
  border:1px solid var(--line-d); overflow:hidden; transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}
.adv-card:hover { transform: translateY(-6px); border-color: var(--gold-2); box-shadow: var(--shadow); }
.adv-card::after { content:""; position:absolute; width:140px; height:140px; right:-40px; top:-40px; border-radius:50%; background:var(--brand-gradient-soft); filter:blur(20px); opacity:.7; }
.adv-card .adv-ico { width:56px; height:56px; border-radius:14px; display:grid; place-items:center; background:var(--brand-gradient); margin-bottom:20px; box-shadow: var(--shadow-glow); }
.adv-card .adv-ico svg { width:28px; height:28px; }
.adv-card h3 { font-size:20px; font-weight:700; margin-bottom:10px; color: var(--ink-1); }
.adv-card p { color:var(--ink-2); font-size:15px; }

/* 合作品牌 */
.partners { margin-top:80px; text-align:center; }
.partners .p-title { font-size:15px; color:var(--ink-3); letter-spacing:2px; margin-bottom:26px; }
.partner-logos { display:flex; flex-wrap:wrap; justify-content:center; gap:14px 14px; }
.partner-logos span {
  font-size:15px; font-weight:600; color:var(--ink-2); padding:12px 22px; border-radius:12px;
  border:1px solid var(--line-d); background:rgba(20,30,45,.03); transition: all .3s ease;
}
.partner-logos span:hover { color:var(--ink-1); border-color: var(--gold-2); transform: translateY(-3px); }

/* ============================================================
   荣誉资质（浅色主体）
   ============================================================ */
.cert-grid { display:grid; grid-template-columns: repeat(4,1fr); gap:20px; }
.cert-card {
  background: var(--paper-2); border:1px solid var(--line-d); border-radius:var(--radius); overflow:hidden;
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}
.cert-card:hover { transform: translateY(-6px); border-color: var(--gold-2); box-shadow: var(--shadow); }
.cert-card .cc-img { aspect-ratio: 3/4; background: var(--paper-3); display:grid; place-items:center; overflow:hidden; }
.cert-card .cc-img img { width:100%; height:100%; object-fit:cover; }
.cert-card .cc-body { padding:18px 20px; }
.cert-card .cc-body h4 { font-size:15.5px; font-weight:700; line-height:1.4; color: var(--ink-1); }
.cert-card .cc-body p { font-size:12.5px; color:var(--ink-3); margin-top:6px; }

/* 专利 / 资质 文字卡 */
.cert-card.cert-text { display:flex; flex-direction:column; }
.cert-card.cert-text .ct-ico {
  width:58px; height:58px; border-radius:15px; display:grid; place-items:center;
  margin:30px auto 0; background:var(--brand-gradient-soft); border:1px solid var(--line-d-strong);
}
.cert-card.cert-text .ct-ico svg { width:28px; height:28px; }
.cert-card.cert-text .cc-body { text-align:center; padding:20px 20px 26px; }
.cert-card.cert-text .cc-body h4 { font-size:16px; color: var(--ink-1); }
.cert-card.cert-text .cc-no {
  display:block; margin-top:9px; font-size:12px; font-weight:700; color:var(--gold-3);
  letter-spacing:.4px;
}

.honor-list { margin-top:60px; display:grid; grid-template-columns: repeat(2,1fr); gap:16px; }
.honor-item { display:flex; gap:16px; padding:22px 24px; border-radius:var(--radius-sm); background:var(--paper-2); border:1px solid var(--line-d); align-items:flex-start; transition: border-color .3s ease, transform .3s ease; }
.honor-item:hover { border-color: var(--gold-2); transform: translateY(-3px); }
.honor-item .hi-ico { flex:none; width:42px; height:42px; border-radius:11px; display:grid; place-items:center; background:var(--brand-gradient-soft); border:1px solid var(--line-d-strong); }
.honor-item .hi-ico svg { width:22px; height:22px; }
.honor-item h4 { font-size:16px; font-weight:700; color: var(--ink-1); }
.honor-item p { font-size:13.5px; color:var(--ink-3); margin-top:4px; }

/* ============================================================
   企业文化（浅色主体）
   ============================================================ */
.culture-hero { text-align:center; max-width:820px; margin:0 auto 60px; }
.culture-hero .quote { font-size: clamp(20px, 2.6vw, 30px); font-weight:700; line-height:1.6; color: var(--ink-1); }
.culture-hero .quote .grad-text { font-weight:900; }

.value-grid { display:grid; grid-template-columns: repeat(3,1fr); gap:20px; margin-top:56px; }
.value-card { padding:30px 28px; border-radius:var(--radius); background:var(--paper-2); border:1px solid var(--line-d); position:relative; transition: transform .35s ease, border-color .35s ease; }
.value-card:hover { transform: translateY(-5px); border-color: var(--gold-2); }
.value-card .vc-num { font-size:46px; font-weight:900; line-height:1; opacity:.22; background:var(--brand-gradient); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.value-card h3 { font-size:19px; font-weight:700; margin:8px 0 8px; color: var(--ink-1); }
.value-card p { font-size:14px; color:var(--ink-3); }

.pillars { display:grid; grid-template-columns: repeat(3,1fr); gap:20px; margin-top:24px; }
.pillar { padding:34px 30px; border-radius:var(--radius); border:1px solid var(--line-d); background:linear-gradient(160deg, #ffffff, #f3ecdf); text-align:center; transition: transform .35s ease, border-color .35s ease; }
.pillar:hover { transform: translateY(-5px); border-color: var(--gold-2); }
.pillar b { display:block; font-size:20px; margin-bottom:10px; color: var(--ink-1); }
.pillar p { font-size:14.5px; color:var(--ink-2); }

/* ============================================================
   联系我们（浅色主体）
   ============================================================ */
.contact-wrap { display:grid; grid-template-columns: 1fr 1fr; gap:50px; align-items:stretch; }
.contact-info { padding:40px; border-radius:var(--radius); background:var(--paper-2); border:1px solid var(--line-d); box-shadow: var(--shadow); }
.contact-info h3 { font-size:22px; font-weight:700; margin-bottom:26px; color: var(--ink-1); }
.contact-item { display:flex; gap:16px; margin-bottom:24px; align-items:flex-start; }
.contact-item .ci-ico { flex:none; width:46px; height:46px; border-radius:12px; display:grid; place-items:center; background:var(--brand-gradient); }
.contact-item .ci-ico svg { width:22px; height:22px; }
.contact-item .ci-text b { display:block; font-size:15px; color: var(--ink-1); }
.contact-item .ci-text span, .contact-item .ci-text a { font-size:14.5px; color:var(--ink-2); }
.contact-form { padding:40px; border-radius:var(--radius); background:var(--paper-2); border:1px solid var(--line-d); box-shadow: var(--shadow); }
.contact-form h3 { font-size:22px; font-weight:700; margin-bottom:24px; color: var(--ink-1); }

/* 联系我们 · 二维码区 */
.contact-qr { padding:40px; border-radius:var(--radius); background:var(--paper-2); border:1px solid var(--line-d); box-shadow: var(--shadow); }
.contact-qr h3 { font-size:22px; font-weight:700; margin-bottom:26px; color: var(--ink-1); }
.qr-grid { display:grid; grid-template-columns: repeat(2,1fr); gap:26px; max-width:560px; margin:0 auto; }
.qr-card { display:flex; flex-direction:column; align-items:center; text-align:center; padding:28px 18px; border-radius:var(--radius-sm); background:#fff; border:1px solid var(--line-d); transition: transform .3s ease, box-shadow .3s ease; }
.qr-card:hover { transform:translateY(-4px); box-shadow: var(--shadow); }
.qr-img-box { width:100%; max-width:240px; aspect-ratio:1/1; background:#fff; border-radius:12px; padding:16px; display:grid; place-items:center; margin:0 auto; }
.qr-img-box .qr-img { width:100%; height:100%; }
.qr-cap { margin-top:14px; font-size:15px; font-weight:600; color:var(--ink-1); display:flex; align-items:center; justify-content:center; gap:6px; }
.qr-ico { display:inline-flex; width:18px; height:18px; color:var(--gold-3); }
.qr-ico svg { width:18px; height:18px; }
.qr-sub { margin-top:6px; font-size:12.5px; color:var(--ink-3); }
.qr-foot { margin-top:24px; font-size:14px; color:var(--ink-2); line-height:1.7; }
.field { margin-bottom:18px; }
.field label { display:block; font-size:13.5px; color:var(--ink-2); margin-bottom:8px; }
.field input, .field textarea {
  width:100%; font-family:inherit; font-size:15px; color:var(--ink-1);
  padding:14px 16px; border-radius:12px; border:1px solid var(--line-d-strong);
  background:rgba(20,30,45,.03); transition: border-color .25s ease, background .25s ease;
}
.field input:focus, .field textarea:focus { outline:none; border-color: var(--gold-2); background:rgba(212,175,106,.08); }
.field textarea { resize:vertical; min-height:120px; }
.form-note { font-size:13px; color:var(--ink-3); margin-top:8px; }

/* ============================================================
   页脚（暗色）
   ============================================================ */
.footer { background: linear-gradient(180deg, #0c1320, #0a1020); border-top:1px solid var(--line); padding:64px 0 30px; }
.footer-top { display:grid; grid-template-columns: 1.5fr 1fr 1fr 1.4fr; gap:40px; margin-bottom:46px; }
.footer .brand { margin-bottom:18px; }
.footer-col h4 { font-size:15px; font-weight:700; margin-bottom:18px; color: var(--txt-1); }
.footer-col a, .footer-col p { display:block; font-size:14px; color:var(--txt-2); margin-bottom:11px; transition: color .25s ease; }
.footer-col a:hover { color:var(--gold-1); }
.footer-about p { font-size:14px; color:var(--txt-2); max-width:320px; }
.footer-bottom { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px; padding-top:26px; border-top:1px solid var(--line); font-size:13px; color:var(--txt-3); }
.footer .f-phone { display:inline-flex; align-items:center; gap:9px; color: var(--txt-1); font-weight:700; font-size:15px; }
.footer .f-phone svg { width:18px; height:18px; color: var(--gold-1); }
.icp-link { color: var(--txt-3); text-decoration:none; transition: color .25s ease; }
.icp-link:hover { color: var(--gold-1); text-decoration:underline; }


/* 社媒 + 二维码 */
.social-row { display:flex; gap:14px; margin-top:16px; flex-wrap:wrap; }
.social-btn {
  position:relative; width:48px; height:48px; border-radius:13px; cursor:pointer;
  border:1px solid var(--line-strong); background:rgba(255,255,255,.05);
  display:grid; place-items:center; color:var(--txt-1); transition: all .25s ease;
}
.social-btn:hover, .social-btn.open { border-color: var(--gold-2); color: var(--gold-1); background:rgba(212,175,106,.12); }
.social-btn svg { width:24px; height:24px; }
.social-btn .qr-pop {
  position:absolute; bottom:calc(100% + 14px); left:50%; transform:translateX(-50%) translateY(10px);
  opacity:0; visibility:hidden; transition:.28s ease; z-index:40;
  background: var(--paper-2); border:1px solid var(--line-d-strong); border-radius:14px;
  padding:12px; width:148px; box-shadow:0 22px 54px -16px rgba(0,0,0,.45); text-align:center;
}
.social-btn .qr-pop::after {
  content:""; position:absolute; top:100%; left:50%; transform:translateX(-50%);
  border:8px solid transparent; border-top-color: var(--paper-2);
}
.social-btn:hover .qr-pop, .social-btn.open .qr-pop { opacity:1; visibility:visible; transform:translateX(-50%) translateY(0); }
.social-btn .qr-pop .qr-img { width:124px; height:124px; margin:0 auto; display:block; border-radius:8px; }
.social-btn .qr-pop .qr-label { font-size:12.5px; color:var(--ink-2); margin-top:9px; font-weight:600; }
.social-btn .qr-pop .qr-tip { font-size:11px; color:var(--ink-3); margin-top:2px; }

/* ============================================================
   在线客服（右侧悬浮 · 暗色）
   ============================================================ */
.chat-launcher {
  position:fixed; right:26px; bottom:30px; z-index:1200;
  width:60px; height:60px; border-radius:50%; background:var(--brand-gradient);
  display:grid; place-items:center; cursor:pointer; box-shadow:0 14px 40px -8px rgba(181,135,60,.6);
  transition: transform .3s ease; border:none;
}
.chat-launcher:hover { transform: scale(1.08); }
.chat-launcher svg { width:28px; height:28px; }
.chat-launcher .badge { position:absolute; top:-2px; right:-2px; width:18px; height:18px; background:#ff3b3b; border-radius:50%; border:2px solid var(--bg-0); }

.chat-panel {
  position:fixed; right:26px; bottom:30px; z-index:1200; width:360px; max-width:calc(100vw - 32px);
  height:auto; max-height:calc(100vh - 60px);
  background: var(--bg-1); border:1px solid var(--line-strong); border-radius:20px; overflow:hidden;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,.8);
  display:flex; flex-direction:column;
  transform: translateY(20px) scale(.96); opacity:0; pointer-events:none;
  transition: transform .35s cubic-bezier(.2,.8,.3,1), opacity .3s ease;
}
.chat-panel.open { transform:none; opacity:1; pointer-events:auto; }
.chat-head { padding:18px 20px; background:var(--brand-gradient); color:#fff; display:flex; align-items:center; gap:12px; }
.chat-head .ch-avatar { width:40px; height:40px; border-radius:50%; background:rgba(255,255,255,.22); display:grid; place-items:center; }
.chat-head .ch-avatar svg { width:22px; height:22px; }
.chat-head .ch-info b { font-size:16px; display:block; }
.chat-head .ch-info span { font-size:12px; opacity:.85; }
.chat-head .ch-close { margin-left:auto; cursor:pointer; width:30px; height:30px; border-radius:8px; display:grid; place-items:center; background:rgba(255,255,255,.18); border:none; color:#fff; }
.chat-head .ch-close:hover { background:rgba(255,255,255,.3); }

.contact-quick { flex:1; overflow-y:auto; padding:22px; display:flex; flex-direction:column; gap:14px; background: linear-gradient(180deg, var(--bg-1), var(--bg-0)); }
.cq-row { display:flex; align-items:center; gap:14px; padding:16px 18px; border-radius:14px; background:var(--bg-2); border:1px solid var(--line); color:var(--txt-1); text-decoration:none; transition: border-color .25s ease, transform .25s ease; }
.cq-row:hover { border-color:var(--gold-2); transform:translateY(-2px); }
.cq-ico { width:42px; height:42px; flex:none; border-radius:12px; display:grid; place-items:center; background:var(--brand-gradient-soft); color:var(--gold-1); }
.cq-ico svg { width:22px; height:22px; }
.cq-text { display:flex; flex-direction:column; min-width:0; }
.cq-text b { font-size:15px; color:var(--txt-1); }
.cq-text span { font-size:13px; color:var(--txt-2); margin-top:2px; }
.cq-wx { display:flex; align-items:center; gap:16px; padding:18px; border-radius:14px; background:var(--bg-2); border:1px solid var(--line); }
.cq-wx-img { width:120px; height:120px; flex:none; background:#fff; border-radius:12px; padding:8px; display:grid; place-items:center; }
.cq-wx-img img { width:100%; height:100%; object-fit:contain; display:block; }
.cq-wx-text b { font-size:15px; color:var(--txt-1); display:block; }
.cq-wx-text p { font-size:12.5px; color:var(--txt-2); margin-top:6px; line-height:1.5; }

/* ============================================================
   滚动揭示动画
   ============================================================ */
.reveal { opacity:0; transform: translateY(34px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity:1; transform:none; }
.reveal.d1 { transition-delay:.1s; }
.reveal.d2 { transition-delay:.2s; }
.reveal.d3 { transition-delay:.3s; }
.reveal.d4 { transition-delay:.4s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity:1; transform:none; transition:none; }
  html { scroll-behavior:auto; }
}

/* ============================================================
   导航下拉（关于凯洛琪 · 二级子菜单）
   ============================================================ */
.nav-links .has-dropdown > a .caret { display:inline-block; margin-left:6px; font-size:10px; transform:translateY(1px); transition:transform .25s ease; }
.nav-links .has-dropdown:hover > a .caret { transform:translateY(1px) rotate(180deg); }
.dropdown {
  position:absolute; top:calc(100% + 8px); left:0; min-width:212px;
  background: rgba(18,27,44,.97); -webkit-backdrop-filter:blur(18px); backdrop-filter:blur(18px);
  border:1px solid var(--line-strong); border-radius:14px; padding:8px;
  display:flex; flex-direction:column; gap:2px;
  opacity:0; visibility:hidden; transform:translateY(8px); transition: all .25s ease;
  box-shadow: var(--shadow); z-index:50;
}
.dropdown::before {
  content:""; position:absolute; top:-7px; left:26px; width:12px; height:12px;
  background:rgba(18,27,44,.97); border-left:1px solid var(--line-strong); border-top:1px solid var(--line-strong); transform:rotate(45deg);
}
.nav-links .has-dropdown:hover .dropdown { opacity:1; visibility:visible; transform:none; }
.dropdown a { padding:11px 16px; border-radius:9px; font-size:14.5px; color:var(--txt-2); font-weight:500; }
.dropdown a:hover, .dropdown a.active { background:var(--brand-gradient-soft); color:var(--gold-1); }

/* ============================================================
   页面头部 / 面包屑（暗色 Banner）
   ============================================================ */
.page-hero {
  position:relative; padding: calc(var(--nav-h) + 78px) 0 64px; overflow:hidden;
  background: linear-gradient(135deg, #0c1320 0%, #16223a 100%);
  color: var(--txt-1);
}
.page-hero::after { content:""; position:absolute; left:0; bottom:0; width:100%; height:1px; background:linear-gradient(90deg, transparent, var(--line-strong), transparent); }
.page-hero .ph-bg { position:absolute; inset:0; background: radial-gradient(820px 360px at 78% -20%, rgba(212,175,106,.16), transparent 60%), radial-gradient(620px 300px at 12% 120%, rgba(181,135,60,.12), transparent 55%); }
.page-hero .ph-pattern { position:absolute; right:-40px; top:50%; transform:translateY(-50%); font-size:240px; font-weight:900; color:rgba(255,255,255,.04); letter-spacing:-10px; pointer-events:none; user-select:none; }
.page-hero .container { position:relative; z-index:2; }
.breadcrumb { display:flex; flex-wrap:wrap; align-items:center; gap:8px; font-size:13.5px; color:var(--txt-3); margin-bottom:22px; }
.breadcrumb a { color:var(--txt-2); transition:color .25s ease; }
.breadcrumb a:hover { color:var(--gold-1); }
.breadcrumb .sep { opacity:.45; }
.breadcrumb .cur { color:var(--gold-1); }
.page-hero h1 { font-size: clamp(30px, 4.4vw, 50px); font-weight:800; line-height:1.15; letter-spacing:-.5px; color: var(--txt-1); }
.page-hero .ph-sub { margin-top:16px; color:var(--txt-2); font-size:17px; max-width:680px; }

/* ============================================================
   关于页：左侧二级子菜单布局（浅色）
   ============================================================ */
.about-layout { display:grid; grid-template-columns: 232px 1fr; gap:54px; align-items:start; margin-top:58px; }
.about-side { position:sticky; top: calc(var(--nav-h) + 24px); }
.about-side .side-head { font-size:12px; letter-spacing:2px; text-transform:uppercase; color:var(--ink-3); margin-bottom:14px; padding-left:6px; }
.about-side a {
  display:flex; align-items:center; gap:11px; padding:13px 18px; border-radius:11px;
  color:var(--ink-2); font-weight:600; font-size:15px; border:1px solid transparent;
  transition: all .25s ease; margin-bottom:6px;
}
.about-side a .dot { width:7px; height:7px; border-radius:50%; background:var(--line-d-strong); transition:.25s; flex:none; }
.about-side a:hover { color:var(--ink-1); background:rgba(20,30,45,.04); }
.about-side a.active { background:var(--brand-gradient-soft); color:var(--gold-3); border-color:var(--line-d-strong); }
.about-side a.active .dot { background:var(--gold-2); box-shadow:0 0 10px var(--gold-2); }

/* 业务版图（首页 · 四大产品分类 + 真实产品图） */
.biz-grid { display:grid; grid-template-columns: repeat(4, 1fr); gap:20px; }
.biz-card { position:relative; border-radius:var(--radius); background:var(--paper-2); border:1px solid var(--line-d); overflow:hidden; transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease; display:flex; flex-direction:column; }
.biz-card:hover { transform:translateY(-6px); border-color:var(--gold-2); box-shadow: var(--shadow); }
.biz-card .bc-photo {
  position:relative; aspect-ratio:4/3; overflow:hidden;
  background-color:#e8dfcd; background-size:cover; background-position:center;
  transition: transform .5s ease;
}
.biz-card:hover .bc-photo { transform: scale(1.06); }
.biz-card .bc-photo::after {
  content:""; position:absolute; inset:0;
  background: linear-gradient(to top, rgba(9,12,20,.55) 0%, rgba(9,12,20,0) 55%);
}
.biz-card .bc-tag {
  position:absolute; left:14px; top:14px; z-index:2;
  background: rgba(181,135,60,.92); color:#fff;
  font-size:12.5px; font-weight:600; padding:5px 12px; border-radius:999px; letter-spacing:.5px;
}
.biz-card .bc-body { padding:22px 22px 24px; display:flex; flex-direction:column; flex:1; }
.biz-card h3 { font-size:19px; font-weight:700; color: var(--ink-1); }
.biz-card p { color:var(--ink-3); font-size:13.5px; margin-top:8px; flex:1; }
.biz-card .bc-link { display:inline-flex; align-items:center; gap:6px; margin-top:16px; color:var(--gold-3); font-size:14px; font-weight:600; }
.biz-card .bc-link svg { width:16px; height:16px; transition: transform .3s ease; }
.biz-card:hover .bc-link svg { transform: translateX(4px); }

/* 资讯中心（浅色主体 · 列表式） */
.news-tabs { display:flex; justify-content:center; flex-wrap:wrap; gap:12px; margin-bottom:42px; }
.news-tabs button {
  font-family:inherit; font-size:15px; font-weight:600; color:var(--ink-2);
  background:var(--paper-2); border:1px solid var(--line-d);
  padding:11px 30px; border-radius:100px; cursor:pointer; transition: all .3s ease;
}
.news-tabs button:hover { color:var(--ink-1); border-color:var(--gold-2); }
.news-tabs button.active { background:var(--brand-gradient); color:#fff; border-color:transparent; box-shadow: var(--shadow-glow); }

.news-panel { display:none; }
.news-panel.active { display:block; animation: fadeUp .5s ease; }

.news-list { list-style:none; }
.news-row { display:flex; gap:30px; padding:28px 10px; border-bottom:1px solid var(--line-d); transition: background .3s ease; }
.news-row:last-child { border-bottom:none; }
.news-row:hover { background: linear-gradient(90deg, rgba(212,175,106,.07), transparent 70%); }
.nr-date { flex:0 0 88px; text-align:center; padding-top:4px; }
.nr-y { display:block; font-size:13px; color:var(--gold-3); font-weight:600; letter-spacing:1px; }
.nr-d { display:block; font-size:27px; font-weight:800; color:var(--ink-1); line-height:1.1; margin-top:4px; }
.nr-main { flex:1; min-width:0; }
.nr-title { font-size:19px; font-weight:700; color:var(--ink-1); margin-bottom:10px; line-height:1.45; transition: color .3s ease; }
.news-row:hover .nr-title { color:var(--gold-3); }
.nr-desc { font-size:14.5px; color:var(--ink-2); line-height:1.75; max-width:780px; }
.nr-more { display:inline-flex; align-items:center; gap:6px; margin-top:14px; color:var(--gold-3); font-size:14px; font-weight:600; }
.nr-more svg { width:16px; height:16px; transition: transform .3s ease; }
.news-row:hover .nr-more svg { transform: translateX(4px); }

/* 常见问题 FAQ 手风琴 */
.faq-list { display:flex; flex-direction:column; gap:14px; max-width:900px; margin:0 auto; }
.faq-item { border:1px solid var(--line-d); border-radius:var(--radius-sm); background:var(--paper-2); overflow:hidden; transition: border-color .3s ease, box-shadow .3s ease; }
.faq-item:hover { border-color:var(--gold-2); }
.faq-item.open { border-color:var(--gold-2); box-shadow: var(--shadow); }
.faq-q { width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px;
  font-family:inherit; font-size:16px; font-weight:600; color:var(--ink-1); text-align:left;
  background:none; border:none; cursor:pointer; padding:20px 24px; }
.faq-ico { flex:0 0 auto; color:var(--gold-3); transition: transform .35s ease; }
.faq-item.open .faq-ico { transform: rotate(180deg); }
.faq-a { max-height:0; overflow:hidden; transition: max-height .4s ease; }
.faq-a p { padding:0 24px 22px; font-size:14.5px; color:var(--ink-2); line-height:1.85; }

/* CTA 横幅（浅色主体 · 金色点缀） */
.cta-band { position:relative; text-align:center; padding:72px 24px; border-radius:var(--radius); background: linear-gradient(135deg, #ffffff, #f3ecdf); border:1px solid var(--line-d); overflow:hidden; }
.cta-band::before { content:""; position:absolute; inset:0; background: radial-gradient(620px 200px at 50% 0%, rgba(212,175,106,.22), transparent 60%); }
.cta-band h2 { font-size: clamp(24px,3.4vw,38px); font-weight:800; position:relative; color: var(--ink-1); }
.cta-band p { color:var(--ink-2); margin:16px auto 30px; max-width:560px; position:relative; }
.cta-band .hero-actions { justify-content:center; position:relative; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; gap:40px; }
  .hero-visual { max-width:440px; }
  .about-wrap { grid-template-columns: 1fr; gap:40px; }
  .stats-band { grid-template-columns: repeat(3,1fr); }
  .product-grid { grid-template-columns: repeat(3,1fr); }
  .tech-row { grid-template-columns: repeat(3,1fr); }
  .advantage-grid { grid-template-columns: repeat(2,1fr); }
  .cert-grid { grid-template-columns: repeat(3,1fr); }
  .factory-feature.wide { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  section { padding: 76px 0; }
  .container { padding:0 18px; }
  /* 导航移动端 */
  .nav-links {
    position:fixed; top: var(--nav-h); left:0; right:0; flex-direction:column; gap:0;
    background: rgba(12,19,32,.97); -webkit-backdrop-filter:blur(18px); backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line); padding:14px 18px 22px;
    transform: translateY(-130%); transition: transform .35s ease; max-height: calc(100vh - var(--nav-h)); overflow-y:auto;
  }
  .nav-links.open { transform:none; }
  .nav-links a { padding:14px 12px; width:100%; border-radius:10px; font-size:16px; text-align:center; justify-content:center; }
  .nav-links a.active::after { display:none; }
  .nav-phone { margin:10px 0 0; justify-content:center; width:100%; }
  .nav-toggle { display:flex; }
  /* 移动端一级导航不显示子分类，菜单项居中 */
  .nav-links .has-dropdown > a .caret { display:none; }
  .nav-links .has-dropdown .dropdown { display:none !important; }
  .brand .brand-name { font-size:17px; }

  .hero-stats { gap:24px; }
  .hero-stats .hs b { font-size:28px; }
  .float-badge { display:none; }

  .stats-band { grid-template-columns: repeat(2,1fr); }
  .factory-feature, .factory-feature.wide { grid-column: span 12; }
  .product-grid { grid-template-columns: repeat(2,1fr); }
  .tech-row { grid-template-columns: repeat(2,1fr); }
  .advantage-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: repeat(2,1fr); }
  .honor-list { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: 1fr; }
  .contact-wrap { grid-template-columns: 1fr; gap:24px; }
  .footer-top { grid-template-columns: 1fr; gap:30px; }
  .footer-bottom { flex-direction:column; text-align:center; }

  .chat-panel { right:12px; left:12px; bottom:16px; width:auto; }
  .chat-launcher { right:16px; bottom:18px; }
}

@media (max-width: 420px) {
  .stats-band { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .tech-row { grid-template-columns: 1fr; }
  .hero-actions { flex-direction:column; }
  .hero-actions .btn { justify-content:center; }
}

/* ---------- 新组件响应式 ---------- */
@media (max-width: 1024px) {
  .biz-grid { grid-template-columns: repeat(2, 1fr); }
  .news-row { gap:22px; padding:24px 8px; }
}

@media (max-width: 768px) {
  /* 移动端：二级子菜单默认折叠，点击展开 */
  .nav-links .has-dropdown { width:100%; }
  .nav-links .has-dropdown > a { display:flex; align-items:center; cursor:pointer; }
  .nav-links .has-dropdown > a .caret { margin-left:auto; transition: transform .3s ease; }
  .dropdown {
    position:static; opacity:1; visibility:visible; transform:none;
    box-shadow:none; background:transparent; border:none;
    max-height:0; overflow:hidden; padding:0 0 0 12px;
    transition: max-height .35s ease;
  }
  .nav-links .has-dropdown.open .dropdown { max-height:360px; }
  .nav-links .has-dropdown.open > a .caret { transform:rotate(180deg); }
  .dropdown::before { display:none; }
  .dropdown a { font-size:15px; padding:11px 14px; }

  .about-layout { grid-template-columns: 1fr; gap:30px; margin-top:36px; }
  .about-side { position:static; display:flex; flex-wrap:wrap; gap:8px; }
  .about-side .side-head { width:100%; }
  .about-side a { margin-bottom:0; padding:11px 16px; }

  .biz-grid { grid-template-columns: 1fr; }
  .news-row { flex-direction:column; gap:8px; padding:22px 4px; }
  .nr-date { display:flex; align-items:baseline; gap:8px; flex:0 0 auto; padding-top:0; }
  .nr-y { margin:0; }
  .nr-d { font-size:22px; margin-top:0; }
  .page-hero .ph-pattern { font-size:150px; }
}

@media (max-width: 420px) {
  .biz-grid { grid-template-columns: 1fr; }
  .news-tabs button { padding:10px 20px; font-size:14px; }
  .nr-title { font-size:17px; }
  .qr-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   移动端固定浮动导航（仅手机端显示）
   ============================================================ */
.mobile-tabbar { display:none; }
.mt-wechat-pop { display:none; }

@media (max-width: 768px) {
  body { padding-bottom: 64px; }
  .mobile-tabbar {
    display:flex; position:fixed; left:0; right:0; bottom:0; z-index:120;
    height:58px; background:rgba(12,19,32,.98);
    -webkit-backdrop-filter:blur(14px); backdrop-filter:blur(14px);
    border-top:1px solid var(--line); box-shadow:0 -6px 24px -8px rgba(0,0,0,.5);
  }
  .mt-item {
    flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:3px;
    background:none; border:none; cursor:pointer; color:var(--txt-3); text-decoration:none;
    font-size:11px; line-height:1; padding:0;
  }
  .mt-item .mt-ico { width:22px; height:22px; display:grid; place-items:center; }
  .mt-item .mt-ico svg { width:22px; height:22px; }
  .mt-item:active, .mt-item.active, .mt-item:hover { color: var(--gold-1); }

  .chat-launcher { bottom: 74px; }
  .chat-panel { bottom: 78px; }

  /* 微信弹窗 */
  .mt-wechat-pop {
    display:flex; position:fixed; inset:0; z-index:200;
    background:rgba(4,7,13,.6); -webkit-backdrop-filter:blur(3px); backdrop-filter:blur(3px);
    align-items:center; justify-content:center; opacity:0; visibility:hidden; transition:.25s ease;
  }
  .mt-wechat-pop.open { opacity:1; visibility:visible; }
  .mtw-card {
    position:relative; width:min(86vw,300px); background:var(--paper-2); border:1px solid var(--line-d-strong);
    border-radius:18px; padding:26px 22px 22px; text-align:center; box-shadow:0 30px 70px -20px rgba(0,0,0,.6);
    transform:translateY(14px) scale(.98); transition:.25s ease;
  }
  .mt-wechat-pop.open .mtw-card { transform:translateY(0) scale(1); }
  .mtw-close { position:absolute; top:10px; right:12px; width:30px; height:30px; border:none; background:transparent;
    color:var(--ink-3); font-size:18px; cursor:pointer; border-radius:50%; }
  .mtw-close:hover { color:var(--ink-1); }
  .mtw-img { width:170px; height:170px; margin:0 auto 16px; border-radius:12px; overflow:hidden; background:#fff; }
  .mtw-img img { width:100%; height:100%; object-fit:cover; display:block; }
  .mtw-card b { display:block; font-size:17px; color:var(--ink-1); }
  .mtw-tip { font-size:13px; color:var(--ink-3); margin:6px 0 10px; }
  .mtw-account { font-size:12.5px; color:var(--ink-2); background:var(--paper-3); border-radius:9px; padding:8px 10px; }
}

/* ============================================================
   兼容性兜底（针对不识别 aspect-ratio 的老旧浏览器）
   ============================================================ */
@supports not (aspect-ratio: 1 / 1) {
  .qr-img-box, .pc-img, .hero-card, .cc-img, .bc-photo, .ff-img {
    height: 320px;
  }
  .qr-img-box { height: 240px; }
  .pc-img { height: 360px; }
  .hero-card { height: 420px; }
}