/**
 * GrapheneInfrared.com — 第一阶段修复 CSS
 * ============================================
 * 审计日期：2026-06-08
 * SEO影响：零（纯CSS，不改HTML/Schema/结构化数据）
 * GEO影响：零
 * 数据影响：零（GTAG/SiteKit/Cloudflare不受影响）
 *
 * 部署方式：上传到 wp-content/cache/gr-css/gr-fix-phase1.css
 *          或在 WordPress Customizer → Additional CSS 中粘贴
 */

/* ===========================================================
   #1.1 全局字号升级 — 12处 10-14px → 12-16px
   =========================================================== */

/* 徽章：11px → 14px */
.gr-badge {
  font-size: 14px;
  letter-spacing: 0.06em;
}

/* 规格标签：10px → 12px */
.gr-spl {
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* 产品标签：10px → 12px */
.gr-ptag {
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* 导航 CTA：12px → 14px */
.gr-ncta {
  font-size: 14px;
  letter-spacing: 0.04em;
}

/* 信任徽章描述：11px → 13px */
.gr-tbi p {
  font-size: 13px;
}

/* B2B 标签：11px → 13px */
.gr-b2b-tag {
  font-size: 13px;
  letter-spacing: 0.04em;
}

/* 产品特性文字：12px → 14px */
.gr-pftxt {
  font-size: 14px;
}

/* 滚动指示器：10px → 12px */
.gr-scroll-i {
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* 功能描述：14px → 16px */
.gr-f p {
  font-size: 16px;
}

/* 评价引用：14px → 16px */
.gr-tscard blockquote {
  font-size: 16px;
}

/* Footer文字：12px → 13px */
.gr-foot p {
  font-size: 13px;
}

/* 统计标签：13px → 14px */
.gr-stl {
  font-size: 14px;
}

/* Footer链接：13px → 14px */
.gr-flinks a {
  font-size: 14px;
}

/* 产品标题：16px → 18px */
.gr-home-prod-body h3 {
  font-size: 18px;
}

/* 步骤描述：14px → 16px */
.gr-step p {
  font-size: 16px;
}

/* About正文：15px → 16px */
.gr-at p {
  font-size: 16px;
}


/* ===========================================================
   #1.2 去除 ALL CAPS — 只保留章节标签(.gr-lbl)和按钮的大写
   =========================================================== */

/* 导航链接 — 正常大小写 */
.gr-links a {
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
}

/* 导航 CTA — 正常大小写 */
.gr-ncta {
  text-transform: none;
  letter-spacing: 0.02em;
}

/* Hero 徽章 — 正常大小写 */
.gr-badge {
  text-transform: none;
  letter-spacing: 0.03em;
}

/* 章节标签 — 保留大写，降低间距 */
.gr-lbl {
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* 产品标签 — 正常大小写 */
.gr-ptag {
  text-transform: none;
  letter-spacing: 0.03em;
}

/* 规格标签 — 正常大小写 */
.gr-spl {
  text-transform: none;
  letter-spacing: 0.02em;
}

/* 移动菜单链接 — 正常大小写 */
.gr-mob a {
  text-transform: none;
  letter-spacing: 0.02em;
}

/* Hero 按钮保留大写但降低 letter-spacing */
.gr-bp,
.gr-bg {
  letter-spacing: 0.04em;
}

/* 产品 eyebrow 标签保留大写 */
.gr-home-prod-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
}


/* ===========================================================
   #1.3 修复对比度
   =========================================================== */

:root {
  --text2: #8db3cc;  /* #7a9ab8 → #8db3cc (5.0→6.0:1) */
  --text3: #5a7a95;  /* #3a5570 → #5a7a95 (3.2→4.6:1 ✅ WCAG AA) */
}

/* 导航链接颜色提升 */
.gr-links a {
  color: rgba(218, 234, 247, 0.72);  /* 0.55→0.72 */
}

/* B2B标签文字颜色提升 */
.gr-b2b-tag {
  color: rgba(218, 234, 247, 0.72);
}


/* ===========================================================
   #1.4 添加键盘焦点样式
   =========================================================== */

/* 全局焦点环 */
*:focus-visible {
  outline: 2px solid #00d4ff;
  outline-offset: 2px;
  border-radius: 2px;
}

/* 暗色背景按钮的特殊焦点 */
.gr-bp:focus-visible,
.gr-bg:focus-visible,
.gr-ncta:focus-visible,
.gr-ibtn:focus-visible {
  outline-color: #4de8ff;
  outline-offset: 3px;
}

/* 导航链接焦点偏移 */
.gr-links a:focus-visible {
  outline-offset: 6px;
}

/* 移除默认outline防止冲突 */
:focus:not(:focus-visible) {
  outline: none;
}


/* ===========================================================
   #1.5 修复 transition: all → 具体属性
   =========================================================== */

.gr-bp,
.gr-bg {
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              box-shadow 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              background 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              border-color 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              color 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.gr-ncta {
  transition: background 0.25s ease,
              border-color 0.25s ease,
              box-shadow 0.25s ease,
              color 0.25s ease;
}

.gr-ci {
  transition: border-color 0.25s ease,
              background 0.25s ease;
}

.gr-tag {
  transition: background 0.2s ease,
              border-color 0.2s ease;
}


/* ===========================================================
   #1.7 修复 h1 行高过紧
   =========================================================== */

.gr-hc h1 {
  line-height: 1.15;  /* 1.08 → 1.15 (76px×1.15=87.4px — 呼吸空间) */
}


/* ===========================================================
   #1.8 子页面 Hero h1 统一
   =========================================================== */

.gr-phero h1,
.gr-cmain h1,
.gr-hero h1 {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

/* #1.9 :active pressed states */
.gr-bp:active,
.gr-bg:active { transform: scale(0.97); }
.gr-ncta:active { transform: scale(0.96); }
.gr-ci:active { transform: scale(0.97); }
.gr-ibtn:active { transform: scale(0.97); }

/* ===========================================================
   #1.10 字阶覆盖补漏
   =========================================================== */

/* ── 子元素级（父级已覆盖，子级遗漏）── */
.gr-home-prod-desc   { font-size: 14px; }   /* 15px → 14px */
.gr-home-prod-tag    { font-size: 14px; }   /* 15px → 14px */
.gr-home-prod-btn-pri,
.gr-home-prod-btn-sec,
.gr-home-prod-oem-pri,
.gr-home-prod-oem-sec { font-size: 14px; }  /* 15px → 14px */
.gr-sn               { font-size: 14px; }   /* 13px → 14px */
.gr-tbi-ico          { font-size: 14px; }   /* 13px → 14px */

/* ── 独立 class ── */
.gr-brand-title      { font-size: 20px; }   /* 19px → 20px */
.gr-mclose           { font-size: 14px; }   /* 11px → 14px */
.gr-stars            { font-size: 12px; }   /* 11px → 12px */
.gr-ctxt             { font-size: 14px; }   /* 13px → 14px */
.gr-pspecgrid        { font-size: 24px; }   /* 26px → 24px */
.gr-pquote           { font-size: 14px; }   /* 13px → 14px */
.gr-stag             { font-size: 14px; }   /* 12px → 14px */
.gr-plink            { font-size: 14px; }   /* 12px → 14px */
.gr-abl              { font-size: 14px; }   /* 12px → 14px */

/* ── inline 样式覆盖（加 !important 对抗内联）── */
.gr-spl   { font-size: 12px !important; }   /* 13px 残留来自内联 */
.gr-at    { font-size: 16px !important; }   /* 13px 残留来自内联 */
.gr-pftxt { font-size: 14px !important; }   /* 13px 残留来自内联 */
.gr-tag   { font-size: 14px !important; }   /* 12px → 14px */