/*
Theme Name: Swiftcool 斯威库科技
Theme URI: https://swiftcool.cn
Description: 斯威库（常州）科技官网主题 —— 固态主动散热 · 浸没式液冷 AI 算力工作站。亮蓝浅色主题（浅蓝白底 + 明亮蓝主色 + 古铜金稀缺点缀），滚动渐入、数字滚动、响应式多页企业官网。
Version: 1.2.0
Author: 小徐 / WorkBuddy
Author URI: https://www.workbuddy.cn
Requires at least: 6.0
Tested up to: 6.6
License: MIT
Text Domain: swiftcool
Tags: light, blue, technology, cooling, ai, responsive, custom-colors, custom-menu, editor-style
*/

/* ============================================================
   1. 品牌设计令牌（亮蓝浅色主题）
   设计原则：浅蓝白底做画布；明亮蓝（#1E6BFF 系列）做品牌与交互主色；
   古铜金仅作"稀缺奢华点缀"——用于主 CTA 与少量顶光线；
   冰青（cyan/teal）作科技强调。深蓝文字保证可读性，整体明亮通透。
   ============================================================ */
:root{
  /* 中性背景：浅蓝白分级（明亮通透） */
  --bg:#F1F6FD;          /* 页面背景（浅蓝白） */
  --bg2:#E8F1FE;         /* 次级（交替区块） */
  --bg3:#FFFFFF;         /* 卡片底 */
  --bg4:#E3EDFB;         /* 抬起一级（导航/Hover） */

  /* 线条/分割（蓝调，更内敛） */
  --line:rgba(26,82,163,.14);
  --line-strong:rgba(26,82,163,.26);

  /* 品牌主色：明亮蓝 */
  --brand:#1E6BFF;       /* 主品牌蓝（亮） */
  --brand-2:#3B82F6;     /* 浅一档 */
  --brand-3:#60A5FA;     /* 更亮一档/链接 */

  /* 主金属：铂银（silver）—— 次级灰调文字 */
  --silver:#64748B;
  --silver-2:#475569;
  --silver-deep:#94A3B8;
  --grad-silver:linear-gradient(135deg,#E2E8F0 0%,#94A3B8 100%);

  /* 稀缺奢华点缀：古铜金（champagne gold） */
  --gold:#C9A961;
  --gold-2:#B8902F;      /* 文字用深金，浅底可读 */
  --gold-deep:#8C7332;
  --grad-gold:linear-gradient(135deg,#8C7332 0%,#C9A961 50%,#E2C77A 100%);

  /* 科技/交互强调：冰青（cooling 主题） */
  --cyan:#0EA5E9;
  --cyan-2:#38BDF8;
  --teal:#14B8A6;

  /* 文字（深蓝，浅底可读） */
  --txt:#0B2545;         /* 主文字（深海军蓝） */
  --txt-2:#2A3F5F;       /* 次级文字 */
  --sub:#5A6B85;         /* 辅助文字 */
  --muted:#8A98B0;       /* 静默文字 */

  /* 渐变 */
  --grad:linear-gradient(135deg,#1E6BFF 0%,#3B82F6 55%,#60A5FA 100%);          /* 主按钮/品牌 */
  --grad-gold:linear-gradient(135deg,#8C7332 0%,#C9A961 50%,#E2C77A 100%);     /* 稀缺奢华 CTA */
  --grad-cool:linear-gradient(135deg,#38BDF8 0%,#14B8A6 100%);                 /* 冰青科技强调 */
  --grad-ttl:linear-gradient(120deg,#0B2E6E 0%,#1E6BFF 100%);                 /* 标题：海军蓝→亮蓝 */
  --grad-mix:linear-gradient(135deg,#1E6BFF 0%,#C9A961 100%);

  /* 阴影/光晕（浅色版，柔和蓝影） */
  --glow-blue:0 0 40px rgba(30,107,255,.22);
  --glow-gold:0 0 30px rgba(201,169,97,.22);
  --shadow-card:0 16px 40px rgba(13,42,92,.10);
  --shadow-lift:0 24px 56px rgba(13,42,92,.16);

  /* 排版 */
  --header-h:72px;
  --radius:14px;
  --radius-lg:20px;

  /* 字体 */
  --font-sans:"PingFang SC","Microsoft YaHei","Helvetica Neue",Inter,-apple-system,sans-serif;
  --font-display:"Cormorant Garamond","Source Han Serif SC","PingFang SC",serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--txt);
  font-family:var(--font-sans);
  line-height:1.7;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  /* 极轻蓝色光晕叠层 */
  background-image:
    radial-gradient(900px 520px at 86% -8%,rgba(59,130,246,.12),transparent 60%),
    radial-gradient(720px 520px at 2% 102%,rgba(20,184,166,.06),transparent 60%);
  background-attachment:fixed;
}
::selection{background:rgba(30,107,255,.18);color:#0B2545}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ============================================================
   2. 通用容器 / 章节标题
   ============================================================ */
.wrap{max-width:1240px;margin:0 auto;padding:0 28px}
section{position:relative}
.sec-pad{padding:110px 0}
.sec-tag{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;letter-spacing:.22em;color:var(--brand-3);
  text-transform:uppercase;font-weight:600;
}
.sec-tag::before{content:"";width:32px;height:1px;background:var(--grad)}
.sec-title{
  font-size:clamp(30px,3.8vw,46px);font-weight:800;line-height:1.22;
  margin:16px 0 20px;letter-spacing:.005em;
  background:var(--grad-ttl);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.sec-sub{color:var(--txt-2);max-width:740px;font-size:16.5px;line-height:1.85}
.center{text-align:center}
.center .sec-sub{margin:0 auto}
.page-head{padding-top:calc(var(--header-h) + 72px) !important}

/* ============================================================
   3. 按钮：三套（蓝/金/幽灵）
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 32px;border-radius:10px;font-size:15px;font-weight:600;
  transition:all .3s cubic-bezier(.4,0,.2,1);cursor:pointer;border:1px solid transparent;
  letter-spacing:.02em;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(30,107,255,.35),inset 0 1px 0 rgba(255,255,255,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(30,107,255,.45),inset 0 1px 0 rgba(255,255,255,.35)}
.btn-gold{background:var(--grad-gold);color:#1A1107;box-shadow:0 8px 24px rgba(201,169,97,.35),inset 0 1px 0 rgba(255,255,255,.45)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(201,169,97,.5),inset 0 1px 0 rgba(255,255,255,.55)}
.btn-ghost{border-color:rgba(26,82,163,.25);color:var(--brand);background:rgba(255,255,255,.6);backdrop-filter:blur(6px)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:0 8px 24px rgba(30,107,255,.16)}

/* ============================================================
   4. 顶部导航
   ============================================================ */
header.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .3s,box-shadow .3s,border-color .3s;
  border-bottom:1px solid transparent;
}
header.site-header.scrolled{
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(18px) saturate(160%);
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px rgba(13,42,92,.08);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:18px;letter-spacing:.02em;color:var(--txt)}
.logo-badge{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(145deg,#1E6BFF,#0B2E6E);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:900;
  box-shadow:0 8px 22px rgba(30,107,255,.4),inset 0 1px 0 rgba(255,255,255,.25);
  color:#E8CEA1;border:1px solid rgba(201,169,97,.5);
}
.logo-img{height:34px;display:flex;align-items:center}
.logo-img img{height:34px;width:auto;filter:drop-shadow(0 4px 10px rgba(30,107,255,.35));transition:transform .3s}
.logo-img:hover img{transform:scale(1.04)}
.logo small{display:block;font-size:10.5px;color:var(--gold-2);font-weight:600;letter-spacing:.18em;text-transform:uppercase;margin-top:2px}
.site-nav ul{display:flex;gap:34px;list-style:none}
.site-nav a{font-size:14.5px;color:var(--txt-2);transition:color .25s;position:relative;font-weight:500}
.site-nav a:hover{color:var(--brand)}
.site-nav a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--grad-gold);transition:width .3s}
.site-nav a:hover::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:16px}
.nav-btn{padding:10px 22px;border-radius:8px;background:var(--grad-gold);color:#1A1107;font-size:13.5px;font-weight:700;letter-spacing:.04em;box-shadow:0 6px 18px rgba(201,169,97,.3)}
.nav-btn:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(201,169,97,.45)}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.burger span{width:22px;height:2px;background:var(--txt);transition:.3s}
.burger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.active span:nth-child(2){opacity:0}
.burger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============================================================
   5. Hero：左文右图，亮蓝光晕 + 扫描网格
   ============================================================ */
.hero{
  min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;
  padding:calc(var(--header-h) + 60px) 0 90px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(640px 460px at 80% 22%,rgba(30,107,255,.18),transparent 60%),
    radial-gradient(560px 440px at 8% 82%,rgba(59,130,246,.22),transparent 65%),
    radial-gradient(420px 320px at 50% 50%,rgba(20,184,166,.08),transparent 70%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:200px;
  background:linear-gradient(180deg,transparent,var(--bg));
}
.hero .grid-bg{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(26,82,163,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(26,82,163,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 70% 50% at 50% 50%,#000 0%,transparent 90%);
  pointer-events:none;
}

.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:72px;align-items:center;position:relative;z-index:2}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;font-size:12.5px;letter-spacing:.22em;color:var(--brand);
  border:1px solid rgba(30,107,255,.3);border-radius:100px;padding:8px 18px;
  text-transform:uppercase;font-weight:600;
  background:linear-gradient(90deg,rgba(30,107,255,.08),rgba(20,184,166,.05));
}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-3);box-shadow:0 0 8px var(--brand-3);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}

.hero h1{
  font-size:clamp(36px,5.4vw,64px);font-weight:800;line-height:1.16;
  margin:26px 0 24px;letter-spacing:.005em;
  background:var(--grad-ttl);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero h1 .grad-gold{
  background:var(--grad-gold);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  position:relative;
}
.hero h1 .grad-cyan{
  background:var(--grad-cool);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.sub{color:var(--txt-2);font-size:17.5px;max-width:580px;line-height:1.85}
.hero-cta{display:flex;gap:16px;margin-top:38px;flex-wrap:wrap}
.hero-note{margin-top:28px;font-size:13px;color:var(--sub);display:flex;gap:24px;flex-wrap:wrap}
.hero-note b{color:var(--gold-2);font-weight:600}

/* Hero 右侧产品视觉 */
.chip-card{
  position:relative;border:1px solid rgba(26,82,163,.16);border-radius:24px;padding:30px;
  background:
    linear-gradient(160deg,rgba(255,255,255,.92) 0%,rgba(235,244,255,.85) 55%,rgba(255,255,255,.9) 100%);
  overflow:hidden;box-shadow:var(--shadow-lift),inset 0 1px 0 rgba(255,255,255,.7);
  backdrop-filter:blur(12px);
}
.chip-card::before{
  content:"";position:absolute;top:-100px;right:-100px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,169,97,.18),transparent 70%);
}
.chip-card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(201,169,97,.6),transparent);
}
.chip-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.chip-top b{font-size:17px;letter-spacing:.06em;color:var(--txt)}
.chip-top span{
  font-size:10.5px;color:var(--brand);letter-spacing:.18em;text-transform:uppercase;
  border:1px solid rgba(30,107,255,.3);padding:4px 12px;border-radius:100px;font-weight:600;
  background:rgba(30,107,255,.08);
}
.chip-visual{
  height:240px;border-radius:18px;position:relative;display:flex;align-items:center;justify-content:center;
  background:
    radial-gradient(circle at 50% 50%,rgba(30,107,255,.10) 0%,transparent 70%),
    linear-gradient(145deg,#FFFFFF,#E6EEF8 60%,#DCE6F4);
  border:1px solid rgba(26,82,163,.12);overflow:hidden;
  box-shadow:inset 0 8px 24px rgba(13,42,92,.06);
}
.chip-visual::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(800px 200px at 50% 50%,rgba(30,107,255,.14),transparent 70%);
  animation:scan 6s linear infinite;
}
@keyframes scan{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
.chip-visual img{width:auto;height:200px;max-width:88%;object-fit:contain;border-radius:14px;
  box-shadow:0 22px 60px rgba(13,42,92,.18),0 0 0 1px rgba(255,255,255,.6);
  animation:float 5s ease-in-out infinite;position:relative;z-index:2}
.chip-visual svg{width:200px;height:200px;animation:float 5s ease-in-out infinite;position:relative;z-index:2}
.chip-visual::after{content:attr(data-label);position:absolute;z-index:3;font-size:11px;letter-spacing:.2em;
  color:#0B2E6E;bottom:16px;right:18px;text-transform:uppercase;font-weight:700;
  background:rgba(255,255,255,.9);padding:4px 10px;border-radius:6px}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.chip-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}
.stat-item{border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:rgba(255,255,255,.7)}
.stat-item .k{font-size:22px;font-weight:800;
  background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;color:transparent;
  letter-spacing:.02em}
.stat-item .v{font-size:11px;color:var(--sub);letter-spacing:.1em;margin-top:4px;text-transform:uppercase}

/* 右上 Hero 三联拼图（产品矩阵预展） */
.hero-trinity{
  position:absolute;right:-60px;top:50%;transform:translateY(-50%);
  display:flex;flex-direction:column;gap:18px;pointer-events:none;
  opacity:.65;display:none;
}

/* ============================================================
   6. 数据条
   ============================================================ */
.data-strip{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg2),var(--bg));
  position:relative;
}
.data-strip::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(201,169,97,.5),transparent);
}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.data-cell{padding:56px 28px;text-align:center;position:relative}
.data-cell + .data-cell::before{content:"";position:absolute;left:0;top:24%;bottom:24%;width:1px;background:var(--line)}
.data-cell .num{
  font-size:clamp(40px,4.6vw,60px);font-weight:800;line-height:1;
  background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.data-cell .unit{font-size:16px;font-weight:600;color:var(--txt-2);margin-left:4px}
.data-cell .lbl{margin-top:14px;font-size:14.5px;color:var(--txt-2);font-weight:500}
.data-cell .note{margin-top:4px;font-size:12px;color:var(--muted)}

/* ============================================================
   7. 通用卡片（白底蓝边 + 顶光线）
   ============================================================ */
.cards{display:grid;gap:26px}
.c-4{grid-template-columns:repeat(4,1fr)}
.c-3{grid-template-columns:repeat(3,1fr)}
.c-2{grid-template-columns:repeat(2,1fr)}
.card{
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 26px;
  background:linear-gradient(180deg,#FFFFFF,#F6FAFF);
  transition:transform .4s cubic-bezier(.4,0,.2,1),border-color .4s,box-shadow .4s;
  position:relative;overflow:hidden;box-shadow:var(--shadow-card);
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(201,169,97,.5),transparent);
  opacity:0;transition:.4s;
}
.card:hover{transform:translateY(-8px);border-color:var(--brand-3);box-shadow:var(--shadow-lift),0 0 30px rgba(30,107,255,.12)}
.card:hover::before{opacity:1}
.card .icon{
  width:52px;height:52px;border-radius:14px;
  background:linear-gradient(145deg,rgba(56,189,248,.18),rgba(30,107,255,.18));
  border:1px solid rgba(30,107,255,.3);
  display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:20px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.6);
}
.card h3{font-size:20px;font-weight:700;margin-bottom:12px;color:var(--txt)}
.card p{font-size:14.5px;color:var(--txt-2);line-height:1.8}
.card .tag2{display:inline-block;margin-top:16px;font-size:12px;color:var(--brand-3);letter-spacing:.08em;text-transform:uppercase;font-weight:600}

/* ============================================================
   8. 技术原理
   ============================================================ */
.tech{background:linear-gradient(180deg,var(--bg2) 0%,var(--bg) 100%);border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:relative}
.tech::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(30,107,255,.5),transparent);
}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:52px;position:relative;z-index:2}
.step{
  position:relative;padding:36px 30px;border-radius:18px;
  border:1px solid var(--line);
  background:linear-gradient(180deg,#FFFFFF,#F4F9FF);
  overflow:hidden;
}
.step::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(30,107,255,.5),transparent);
}
.step .no{font-size:13px;letter-spacing:.22em;color:var(--gold-2);font-weight:700;text-transform:uppercase}
.step h4{font-size:20px;margin:12px 0 12px;font-weight:700;color:var(--txt)}
.step p{font-size:14.5px;color:var(--txt-2);line-height:1.85}
.step::after{
  content:"→";position:absolute;top:50%;right:-22px;transform:translateY(-50%);
  color:var(--gold-2);font-size:24px;z-index:3;font-weight:300;
}
.step:last-child::after{display:none}
.badges{display:flex;gap:12px;flex-wrap:wrap;margin-top:48px;justify-content:center}
.badge{display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line);border-radius:100px;padding:10px 20px;
  font-size:13.5px;color:var(--txt-2);background:rgba(255,255,255,.7);
  backdrop-filter:blur(4px)}
.badge b{color:var(--gold-2);font-weight:700}

/* ============================================================
   9. 产品矩阵 — 用真实产品图
   ============================================================ */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:52px}
.prod{
  position:relative;border-radius:22px;
  border:1px solid var(--line);
  background:linear-gradient(180deg,#FFFFFF,#F5F9FF);
  overflow:hidden;transition:.4s;display:flex;flex-direction:column;
  box-shadow:var(--shadow-card);
}
.prod::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(201,169,97,.5),transparent);
  opacity:0;transition:.4s;
}
.prod:hover{transform:translateY(-8px);border-color:var(--brand-3);box-shadow:var(--shadow-lift),0 0 30px rgba(30,107,255,.14)}
.prod:hover::before{opacity:1}
.prod-visual{
  height:210px;display:flex;align-items:center;justify-content:center;position:relative;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(420px 200px at 50% 18%,rgba(30,107,255,.12),transparent 65%),
    linear-gradient(180deg, rgba(255,255,255,.9) 0%, rgba(232,241,254,.7) 100%);
  overflow:hidden;
}
.prod-visual::before{
  content:"";position:absolute;left:0;right:0;bottom:0;height:50%;
  background:linear-gradient(180deg,transparent,rgba(13,42,92,.05));
}
.prod-visual img{position:relative;z-index:2;height:158px;width:auto;max-width:84%;object-fit:contain;object-position:center;
  filter:drop-shadow(0 16px 32px rgba(13,42,92,.18));
  transition:transform .5s cubic-bezier(.4,0,.2,1)}
.prod:hover .prod-visual img{transform:scale(1.05) translateY(-4px)}
.prod-visual .chip-svg{width:130px;height:130px;filter:drop-shadow(0 10px 24px rgba(30,107,255,.3))}
.prod-visual .cube{width:120px;height:120px;border-radius:16px;position:relative;z-index:2;
  background:linear-gradient(145deg,var(--bg4),var(--brand));
  border:1px solid rgba(26,82,163,.3);
  box-shadow:0 12px 30px rgba(13,42,92,.18),inset 0 1px 0 rgba(255,255,255,.4)}
.prod-body{padding:28px;display:flex;flex-direction:column;flex:1}
.prod-body .level{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--brand-3);font-weight:700}
.prod-body h3{font-size:22px;margin:10px 0 12px;font-weight:800;background:var(--grad-ttl);-webkit-background-clip:text;background-clip:text;color:transparent}
.prod-body p{font-size:14.5px;color:var(--txt-2);min-height:68px;line-height:1.8}
.prod-spec{margin:18px 0;border-top:1px dashed var(--line);padding-top:14px;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.prod-spec span{font-size:13px;color:var(--txt-2)}
.prod-spec b{color:var(--txt);font-weight:700}
.prod-link{font-size:14px;color:var(--brand-3);font-weight:700;margin-top:auto;letter-spacing:.04em;text-transform:uppercase}
.prod-link::after{content:" →";transition:transform .3s;display:inline-block}
.prod:hover .prod-link::after{transform:translateX(4px)}

/* ============================================================
   10. 对比区
   ============================================================ */
.cmp{
  border:1px solid var(--line);border-radius:20px;overflow:hidden;margin-top:52px;
  background:linear-gradient(180deg,#FFFFFF,#F4F9FF);
  box-shadow:var(--shadow-card);
}
.cmp-row{display:grid;grid-template-columns:1fr 1fr 1fr;border-bottom:1px solid var(--line);align-items:center}
.cmp-row:last-child{border-bottom:none}
.cmp-row.head{background:rgba(30,107,255,.08);font-weight:700;font-size:14px;color:var(--txt)}
.cmp-cell{padding:20px 24px;font-size:14.5px;color:var(--txt-2)}
.cmp-cell.lab{font-weight:600;color:var(--txt)}
.cmp-cell.bad{color:#DC2626}
.cmp-cell.good{color:var(--teal);font-weight:600}
.cmp-cell.center-t{text-align:center}

/* ============================================================
   11. IMMERSO 浸没式液冷工作站
   ============================================================ */
.immerso{
  background:
    linear-gradient(180deg,#E6F4FB 0%,#EEF7FD 55%,var(--bg) 100%);
  border-top:1px solid var(--line);overflow:hidden;position:relative;
}
.immerso::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(800px 400px at 88% 5%,rgba(20,184,166,.16),transparent 65%),
    radial-gradient(600px 320px at 5% 45%,rgba(30,107,255,.12),transparent 65%);
  pointer-events:none;
}
.immerso .wrap{position:relative;z-index:2}
.immerso::after{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(26,82,163,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(26,82,163,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 70% 50% at 50% 50%,#000 0%,transparent 90%);
  pointer-events:none;
}
.immerso .immerso-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:48px 0 8px}
.istat{
  border:1px solid rgba(14,184,166,.3);border-radius:16px;padding:24px 18px;text-align:center;
  background:linear-gradient(180deg,rgba(56,189,248,.10),rgba(255,255,255,.7));
  backdrop-filter:blur(8px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.6);
}
.istat .v{
  font-size:clamp(26px,2.8vw,36px);font-weight:800;
  background:linear-gradient(135deg,#3B82F6,#14B8A6);-webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1.1;letter-spacing:-.01em;
}
.istat .k{font-size:12.5px;color:#5A6B85;margin-top:10px;letter-spacing:.06em}
/* ============================================================
   11. IMMERSO 浸没式液冷 AI 工作站（展位式大图展示）
   ============================================================ */
.series-tide{border-color:rgba(14,38,80,.32)!important}
.series-tide::before{background:linear-gradient(90deg,#0E2650 0%,#1E40AF 50%,transparent 100%)!important}
.series-tide .series{color:#0E2650!important}
.series-tide .pname{border-left:3px solid #0E2650;padding-left:12px}
.series-vortex{border-color:rgba(30,107,255,.40)!important}
.series-vortex::before{background:linear-gradient(90deg,transparent,#1E6BFF 50%,#38BDF8 100%)!important}
.series-vortex .series{color:#1E40AF!important}
.series-vortex .pname{border-left:3px solid #1E6BFF;padding-left:12px}
.series-abyss{border-color:rgba(148,163,184,.55)!important}
.series-abyss::before{background:linear-gradient(90deg,transparent,#94A3B8 30%,#CBD5E1 70%,transparent 100%)!important}
.series-abyss .series{color:#475569!important}
.series-abyss .pname{border-left:3px solid #94A3B8;padding-left:12px}
.prod-card-immerso{
  position:relative;border:1px solid rgba(30,107,255,.32);border-radius:24px;
  background:linear-gradient(180deg,#FFFFFF 0%,#F1F6FD 100%);
  overflow:hidden;transition:.5s;display:flex;flex-direction:column;
  box-shadow:0 16px 40px rgba(15,42,110,.12),0 1px 0 rgba(255,255,255,.6) inset;
}
.prod-card-immerso::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;z-index:3;
  background:linear-gradient(90deg,transparent,#1E6BFF 50%,transparent);
}
.prod-card-immerso:hover{transform:translateY(-10px);
  box-shadow:0 32px 60px rgba(15,42,110,.18),0 0 30px rgba(30,107,255,.20),0 1px 0 rgba(255,255,255,.8) inset}
/* 展位视觉区：暗色棚拍 + 桌面反射线 */
.prod-card-immerso .visual{
  position:relative;height:340px;display:flex;align-items:flex-end;justify-content:center;
  background:
    radial-gradient(60% 50% at 50% 35%,rgba(30,107,255,.10) 0%,transparent 60%),
    linear-gradient(180deg,#0A1430 0%,#061027 60%,#0B1A40 100%);
  overflow:hidden;
}
/* 棚拍顶部柔光 */
.prod-card-immerso .visual::after{
  content:"";position:absolute;left:0;right:0;top:0;height:55%;
  background:radial-gradient(120% 60% at 50% 0%,rgba(255,255,255,.16) 0%,transparent 70%);
  pointer-events:none;z-index:1;
}
/* 桌面镜面倒影线 */
.prod-card-immerso .visual::before{
  content:"";position:absolute;left:10%;right:10%;bottom:18%;height:1px;z-index:2;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
}
.prod-card-immerso .visual img{
  position:relative;z-index:2;height:300px;max-width:84%;object-fit:contain;object-position:center bottom;
  filter:drop-shadow(0 28px 36px rgba(0,0,0,.55));
  transition:transform .6s cubic-bezier(.2,.6,.3,1);
  margin-bottom:-2px;
}
.prod-card-immerso:hover .visual img{transform:scale(1.06) translateY(-6px)}
.prod-card-immerso .head{padding:24px 28px 14px;background:linear-gradient(180deg,rgba(255,255,255,.6),transparent)}
.prod-card-immerso .series{font-size:11.5px;letter-spacing:.26em;font-weight:800;text-transform:uppercase;display:flex;align-items:center;gap:10px}
.prod-card-immerso .series .ver{font-size:10px;font-weight:600;color:#64748B;border:1px solid #CBD5E1;border-radius:100px;padding:2px 8px;background:#F8FAFC}
.prod-card-immerso .pname{font-size:30px;font-weight:800;margin-top:10px;color:#0F1A36;letter-spacing:-.01em;line-height:1.15}
.prod-card-immerso .ptag{font-size:14px;color:#475569;margin-top:8px;line-height:1.7;max-width:36ch}
.prod-card-immerso .body{padding:18px 28px 28px;display:flex;flex-direction:column;flex:1;background:linear-gradient(180deg,transparent,rgba(241,246,253,.4))}
.prod-card-immerso .spec{margin:0 0 18px;padding:0;list-style:none;border-top:1px solid rgba(30,107,255,.12)}
.prod-card-immerso .spec li{display:flex;justify-content:space-between;gap:10px;font-size:13.5px;padding:10px 0;border-bottom:1px solid rgba(30,107,255,.08);color:#475569}
.prod-card-immerso .spec li b{color:#0F1A36;font-weight:800;text-align:right}
.prod-card-immerso .use{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:20px}
.prod-card-immerso .use span{font-size:11.5px;padding:6px 12px;border-radius:100px;border:1px solid rgba(30,107,255,.25);color:#1E40AF;background:rgba(30,107,255,.06);font-weight:600}
.prod-card-immerso .btns{display:flex;flex-direction:column;gap:10px;margin-top:auto}
.pbtn{display:block;text-align:center;padding:13px;border-radius:10px;font-size:14px;font-weight:700;letter-spacing:.04em;
  background:var(--grad);color:#fff;transition:.3s;
  box-shadow:0 8px 22px rgba(30,107,255,.35),inset 0 1px 0 rgba(255,255,255,.25)}
.pbtn:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(30,107,255,.45),inset 0 1px 0 rgba(255,255,255,.35)}
.plink{display:block;text-align:center;padding:10px;font-size:13px;font-weight:600;color:#5A6B85;border:1px solid var(--line);border-radius:10px;transition:.3s}
.plink:hover{color:var(--brand);border-color:var(--brand-3);background:rgba(30,107,255,.05)}
/* 三色版本矩阵叙事 */
.immerso-versions{margin-top:24px;text-align:center}
.immerso-versions .iv-title{font-size:13px;letter-spacing:.22em;color:#1E40AF;font-weight:800;text-transform:uppercase;display:inline-flex;align-items:center;gap:14px}
.immerso-versions .iv-title::before,.immerso-versions .iv-title::after{content:"";width:48px;height:1px;background:linear-gradient(90deg,transparent,#1E6BFF,transparent)}
.immerso-versions .iv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
.immerso-versions .iv-card{padding:18px 22px;border:1px solid rgba(30,107,255,.18);border-radius:14px;background:linear-gradient(180deg,#FFFFFF,#F4F9FF);display:flex;align-items:center;gap:14px;text-align:left;transition:.3s;box-shadow:0 8px 22px rgba(15,42,110,.06)}
.immerso-versions .iv-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(30,107,255,.18)}
.immerso-versions .iv-dot{width:36px;height:36px;border-radius:50%;flex:0 0 36px;box-shadow:inset 0 0 0 2px rgba(255,255,255,.6),0 4px 12px rgba(0,0,0,.18)}
.immerso-versions .iv-name{font-size:15px;font-weight:800;color:#0F1A36;letter-spacing:.02em}
.immerso-versions .iv-desc{font-size:12px;color:#475569;margin-top:2px}
@media (max-width:760px){.immerso-versions .iv-grid{grid-template-columns:1fr}.immerso-versions .iv-title::before,.immerso-versions .iv-title::after{width:24px}}
.immerso-lic{
  margin-top:36px;border:1px solid rgba(20,184,166,.35);border-radius:18px;padding:30px 36px;
  background:linear-gradient(135deg,rgba(20,184,166,.10),rgba(255,255,255,.7));
  display:flex;gap:32px;align-items:center;flex-wrap:wrap;
  box-shadow:var(--shadow-card);
}
.immerso-lic .li{flex:1;min-width:260px}
.immerso-lic h4{font-size:19px;font-weight:800;margin-bottom:10px;
  background:linear-gradient(135deg,#3B82F6,#14B8A6);-webkit-background-clip:text;background-clip:text;color:transparent}
.immerso-lic p{font-size:14px;color:#5A6B85;line-height:1.85}
.lic-tags{display:flex;gap:10px;flex-wrap:wrap}
.lic-tag{border:1px solid rgba(20,184,166,.35);border-radius:12px;padding:12px 18px;text-align:center;background:rgba(255,255,255,.7)}
.lic-tag b{display:block;font-size:18px;color:var(--teal);font-weight:800}
.lic-tag span{font-size:11px;color:#5A6B85}

/* ============================================================
   12. 应用场景
   ============================================================ */
.scene{background:linear-gradient(180deg,var(--bg),var(--bg2));border-top:1px solid var(--line)}
.scene-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:52px}
.scene-card{
  border-radius:18px;padding:32px 26px;border:1px solid var(--line);
  background:linear-gradient(180deg,#FFFFFF,#F4F9FF);
  transition:.4s;position:relative;overflow:hidden;box-shadow:var(--shadow-card);
}
.scene-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-gold);opacity:0;transition:.4s;
}
.scene-card:hover{transform:translateY(-8px);border-color:rgba(201,169,97,.4);box-shadow:var(--shadow-lift)}
.scene-card:hover::before{opacity:1}
.scene-card .sicon{
  width:54px;height:54px;border-radius:14px;
  background:linear-gradient(145deg,rgba(201,169,97,.18),rgba(30,107,255,.18));
  border:1px solid rgba(201,169,97,.35);
  display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px;
}
.scene-card h3{font-size:19px;font-weight:700;margin-bottom:12px;color:var(--txt)}
.scene-card p{font-size:14px;color:var(--txt-2);line-height:1.85}
.scene-card .link{display:inline-block;margin-top:16px;font-size:13px;color:var(--brand-3);font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.scene-card .link::after{content:" →";transition:transform .3s;display:inline-block}
.scene-card:hover .link::after{transform:translateX(4px)}

/* ============================================================
   13. 生态 / 关于
   ============================================================ */
.eco-card{
  border:1px solid var(--line);border-radius:22px;padding:48px 44px;
  background:linear-gradient(150deg,rgba(201,169,97,.10),rgba(255,255,255,.92) 60%);
  margin-top:52px;box-shadow:var(--shadow-card);
}
.eco-flex{display:flex;gap:48px;align-items:center;flex-wrap:wrap;justify-content:space-between}
.eco-info{flex:1;min-width:280px}
.eco-info h3{font-size:24px;font-weight:800;margin-bottom:14px;color:var(--txt)}
.eco-info p{color:var(--txt-2);font-size:15px;line-height:1.85}
.eco-logo-wall{display:flex;flex-wrap:wrap;gap:12px;flex:1;min-width:300px;justify-content:flex-end}
.eco-logo{
  border:1px solid var(--line);border-radius:10px;padding:12px 18px;font-size:13.5px;
  color:#5A6B85;background:rgba(255,255,255,.7);transition:.3s
}
.eco-logo:hover{border-color:rgba(201,169,97,.5);color:var(--gold-2);background:rgba(201,169,97,.06)}
.quali{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap}
.quali div{border:1px solid var(--line);border-radius:14px;padding:18px 24px;background:rgba(255,255,255,.7);min-width:160px;transition:.3s}
.quali div:hover{border-color:rgba(201,169,97,.4);transform:translateY(-3px)}
.quali b{display:block;font-size:24px;font-weight:800;background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;color:transparent}
.quali span{font-size:13px;color:var(--sub);margin-top:4px;display:block}

/* ============================================================
   14. 新闻
   ============================================================ */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:52px}
.news-item{
  border:1px solid var(--line);border-radius:18px;padding:28px;
  background:linear-gradient(180deg,#FFFFFF,#F4F9FF);
  transition:.4s;display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow-card);
}
.news-item:hover{transform:translateY(-6px);border-color:rgba(201,169,97,.4);box-shadow:var(--shadow-lift)}
.news-item time{font-size:12px;color:var(--muted);letter-spacing:.08em;font-weight:500}
.news-item h3{font-size:18px;font-weight:700;line-height:1.55;color:var(--txt)}
.news-item p{font-size:14px;color:var(--txt-2);flex:1;line-height:1.8}
.news-item a{font-size:13.5px;color:var(--brand-3);font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.news-item a::after{content:" →";transition:transform .3s;display:inline-block}
.news-item:hover a::after{transform:translateX(4px)}
.news-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}
.news-cat{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-2);border:1px solid rgba(201,169,97,.35);padding:4px 12px;border-radius:100px;background:rgba(201,169,97,.06);font-weight:600}

/* ============================================================
   15. CTA / 联系（CTA 用亮蓝满铺，强对比锚点）
   ============================================================ */
.cta-band{
  position:relative;overflow:hidden;padding:120px 0;text-align:center;
  border-top:1px solid rgba(255,255,255,.25);
  background:var(--grad);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(800px 360px at 50% 100%,rgba(255,255,255,.22),transparent 70%),
    radial-gradient(600px 280px at 50% 0%,rgba(20,184,166,.25),transparent 70%);
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 50%,#000 0%,transparent 90%);
}
.cta-band .inner{position:relative;z-index:2}
.cta-band h2{font-size:clamp(30px,4vw,46px);font-weight:800;color:#fff}
.cta-band p{color:rgba(255,255,255,.92);margin:18px auto 36px;max-width:560px;line-height:1.85}
.cta-band .btns{display:flex;gap:18px;justify-content:center;flex-wrap:wrap}
.cta-band .btn-primary{background:#fff;color:var(--brand);box-shadow:0 10px 30px rgba(0,0,0,.18)}
.cta-band .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(0,0,0,.26)}
.cta-band .btn-gold{background:var(--grad-gold);color:#1A1107}

/* 联系页 */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;margin-top:52px;align-items:start}
.contact-form{
  border:1px solid var(--line);border-radius:22px;padding:38px;
  background:linear-gradient(180deg,#FFFFFF,#F4F9FF);
  box-shadow:var(--shadow-card);
}
.contact-form label{display:block;font-size:12.5px;color:var(--gold-2);margin:18px 0 8px;text-transform:uppercase;letter-spacing:.14em;font-weight:600}
.contact-form input,.contact-form textarea{
  width:100%;background:#fff;
  border:1px solid var(--line);border-radius:10px;
  padding:14px 16px;color:var(--txt);font-size:14.5px;font-family:inherit;
  transition:.3s;
}
.contact-form input:focus,.contact-form textarea:focus{
  outline:none;border-color:var(--gold-2);
  box-shadow:0 0 0 3px rgba(201,169,97,.14);
}
.contact-form .btn{margin-top:26px;width:100%;justify-content:center}
.contact-info .info-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.contact-info .info-item:last-child{border-bottom:none}
.contact-info .info-item .ic{
  width:44px;height:44px;border-radius:11px;
  background:linear-gradient(145deg,rgba(201,169,97,.15),rgba(30,107,255,.15));
  border:1px solid rgba(201,169,97,.3);
  display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--gold-2);
}
.contact-info .info-item .t{font-size:12px;color:var(--sub);text-transform:uppercase;letter-spacing:.12em}
.contact-info .info-item .d{font-size:15.5px;color:var(--txt);font-weight:600;margin-top:4px}
.map-ph{
  height:220px;border-radius:16px;border:1px solid var(--line);
  background:
    radial-gradient(500px 220px at 50% 120%,rgba(30,107,255,.18),transparent 70%),
    linear-gradient(180deg,#FFFFFF,#EAF1FE);
  display:flex;align-items:center;justify-content:center;color:var(--sub);font-size:13px;margin-top:28px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.6);
}

/* ============================================================
   16. 页脚（浅色磨砂）
   ============================================================ */
footer.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,#EEF4FC,#E6EEF8);
  padding:72px 0 32px;margin-top:0;position:relative;color:var(--txt);
}
footer.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(201,169,97,.6),transparent);
}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.foot-grid h4{font-size:14px;margin-bottom:18px;letter-spacing:.06em;color:var(--silver-2);text-transform:uppercase;font-weight:700}
.foot-grid a,.foot-grid li{display:block;color:#5A6B85;font-size:14px;margin-bottom:12px;list-style:none;transition:.25s}
.foot-grid a:hover{color:var(--brand-3);transform:translateX(4px)}
.foot-brand{display:flex;flex-direction:column;gap:18px}
.foot-brand p{color:var(--txt-2);font-size:14px;line-height:1.85;max-width:340px}
.foot-brand img.foot-logo{max-height:46px;width:auto;margin-bottom:8px;opacity:.95;filter:drop-shadow(0 4px 12px rgba(30,107,255,.3))}
.foot-bottom{
  border-top:1px solid var(--line);padding-top:28px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;
  font-size:12.5px;color:var(--muted);
}

/* ============================================================
   17. 文章页
   ============================================================ */
.post-single{max-width:800px;margin:0 auto;padding-top:calc(var(--header-h) + 72px)}
.post-single .post-title{font-size:clamp(28px,4vw,42px);font-weight:800;line-height:1.32;margin:18px 0;
  background:var(--grad-ttl);-webkit-background-clip:text;background-clip:text;color:transparent}
.post-single .post-body{font-size:16.5px;color:var(--txt-2);margin-top:30px;line-height:1.95}
.post-single .post-body p{margin-bottom:20px}
.back-link{display:inline-block;margin-top:36px;color:var(--brand);font-weight:600;letter-spacing:.04em}

/* ============================================================
   18. GEO 辅助样式（沿用品牌色，浅色版）
   注：以 geo.css 为准（其随后加载），此处仅作兜底
   ============================================================ */
.breadcrumb{padding:14px 0;display:flex;gap:8px;align-items:center;font-size:13.5px;color:var(--sub)}
.breadcrumb a{color:var(--sub);transition:color .25s}
.breadcrumb a:hover{color:var(--brand-3)}
.breadcrumb span.sep{opacity:.5}
.breadcrumb .current{color:var(--brand);font-weight:600}
.def-lead{font-size:18.5px;line-height:2;color:var(--txt-2);margin:18px 0 32px;
  border-left:3px solid var(--gold-2);padding:6px 0 6px 18px;
  background:linear-gradient(90deg,rgba(201,169,97,.06),transparent)}
.direct-answer{
  margin:36px 0 12px;padding:24px 28px;border:1px solid rgba(201,169,97,.3);border-radius:14px;
  background:linear-gradient(135deg,rgba(201,169,97,.08),rgba(30,107,255,.05));
  font-size:15.5px;line-height:1.85;color:var(--txt-2);
}
.direct-answer b{color:var(--gold-2);font-weight:700}
.direct-answer::before{content:"速览 · DIRECT ANSWER";display:block;font-size:11px;letter-spacing:.2em;color:var(--brand-3);font-weight:700;margin-bottom:10px;text-transform:uppercase}
.source{font-size:12.5px;color:var(--muted);margin-top:8px;font-style:italic}
.market-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin:32px 0}
.market-card{
  padding:24px 22px;border-radius:14px;border:1px solid var(--line);
  background:linear-gradient(180deg,#FFFFFF,#F4F9FF);
  transition:.3s;box-shadow:var(--shadow-card);
}
.market-card:hover{border-color:var(--brand-3);transform:translateY(-3px);box-shadow:var(--shadow-lift)}
.market-card .mv{font-size:28px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1}
.market-card .mu{font-size:13px;color:var(--txt-2);margin-top:8px;line-height:1.7}
.market-card .ml{font-size:11px;color:var(--muted);margin-top:10px;text-transform:uppercase;letter-spacing:.12em;border-top:1px solid var(--line);padding-top:10px}
.faq{margin:32px 0}
.faq-item{border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF,#F4F9FF)}
.faq-item summary{cursor:pointer;padding:18px 24px;font-weight:700;font-size:16px;list-style:none;color:var(--txt);position:relative;transition:.25s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);color:var(--brand-3);font-size:22px;font-weight:300;transition:.3s}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item summary:hover{background:rgba(30,107,255,.05)}
.faq-item .ans{padding:0 24px 22px;color:var(--txt-2);font-size:14.5px;line-height:1.95}
.quote-box{
  margin:36px 0;padding:28px 32px;border-radius:14px;
  background:linear-gradient(135deg,rgba(30,107,255,.10),rgba(255,255,255,.7));
  border:1px solid rgba(30,107,255,.25);
  border-left:4px solid var(--brand-3);
}
.quote-box .qhead{font-size:11px;letter-spacing:.2em;color:var(--brand-3);text-transform:uppercase;font-weight:700;margin-bottom:10px}
.quote-box p{font-size:15.5px;line-height:1.85;color:var(--txt-2);font-style:italic}
.layers{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:28px 0}
.layer{
  padding:20px 22px;border-radius:12px;
  background:linear-gradient(180deg,#FFFFFF,#F4F9FF);
  border:1px solid var(--line);
  transition:.3s;box-shadow:var(--shadow-card);
}
.layer:hover{border-color:var(--brand-3)}
.layer b{font-size:11px;letter-spacing:.16em;color:var(--brand-3);text-transform:uppercase;display:block;margin-bottom:8px}
.layer h5{color:var(--txt);font-size:15.5px;margin-bottom:6px;font-weight:700}
.layer p{font-size:13.5px;color:var(--txt-2);line-height:1.85}
.geo-note{margin-top:16px;padding:14px 18px;border-left:3px solid rgba(201,169,97,.4);
  background:rgba(201,169,97,.05);font-size:13px;color:var(--txt-2);border-radius:0 8px 8px 0}
.geo-note b{color:var(--gold-2)}

/* ============================================================
   19. 滚动渐入
   ============================================================ */
.reveal{opacity:0;transform:translateY(28px);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}

/* ============================================================
   20. 响应式
   ============================================================ */
@media(max-width:1024px){
  .c-4,.scene-cards{grid-template-columns:repeat(2,1fr)}
  .c-3,.prod-grid,.news{grid-template-columns:repeat(2,1fr)}
  .hero-grid{grid-template-columns:1fr;gap:52px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .immerso-stats{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
}
@media(max-width:720px){
  .site-nav ul{
    display:none;position:absolute;top:var(--header-h);left:0;right:0;flex-direction:column;gap:0;
    background:rgba(255,255,255,.97);padding:14px 28px;border-bottom:1px solid var(--line);
    backdrop-filter:blur(20px);
  }
  .site-nav ul.open{display:flex}
  .site-nav li{padding:14px 0;border-bottom:1px solid var(--line)}
  .burger{display:flex}
  .nav-btn{display:none}
  .data-grid{grid-template-columns:1fr 1fr}
  .data-cell + .data-cell::before{display:none}
  .c-4,.c-3,.c-2,.prod-grid,.news,.scene-cards,.steps{grid-template-columns:1fr}
  .cmp-row{grid-template-columns:1fr;text-align:left}
  .cmp-cell{padding:14px 18px}
  .cmp-row.head{display:none}
  .cmp-cell.center-t{text-align:left}
  .foot-grid{grid-template-columns:1fr}
  .sec-pad{padding:72px 0}
  .immerso-stats{grid-template-columns:1fr 1fr}
  .hero-grid{gap:36px}
  .wrap{padding:0 22px}
  .chip-visual{height:200px}
  .chip-visual img{height:160px}
}