/*
Theme Name: 滨州方格智能环保科技 (Fangge Bento)
Theme URI: https://example.com/themes/fangge-bento
Author: 李格
Author URI: https://example.com/
Description: 为滨州方格智能环保科技有限公司(GridBox Smart Environmental,虚构演示公司)定制的中文 WordPress 主题。Bento 便当盒网格风:浅灰底、白卡细边、20px 圆角,grid-template-areas 拼出大小不一的卡片拼图;中性黑白灰 + 单一蓝 #2563eb 点缀,穿插黑底卡制造节奏。数据卡内嵌 SVG sparkline,参数格使用等宽数字。主打 FG Grid 系列立式 PP 喷淋塔。
Version: 1.0.0
Requires at least: 5.9
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: fangge-bento
Tags: grid-layout, custom-menu, custom-logo, featured-images, translation-ready
*/

/* ==========================================================================
   0. 设计令牌(CSS 自定义属性)
   ========================================================================== */

:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --line: #e5e7eb;
  --line-strong: #d1d5db;
  --ink: #16181d;
  --ink-2: #4b5563;
  --ink-3: #9ca3af;
  --blue: #2563eb;
  --blue-deep: #1d4ed8;
  --blue-soft: #eff6ff;
  --dark: #101114;
  --dark-line: #2a2c31;
  --dark-ink: #e5e7eb;
  --dark-ink-2: #9ca3af;
  --radius: 20px;
  --radius-s: 12px;
  --gap: 16px;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --shadow-hover: 0 10px 28px rgba(17, 24, 39, 0.07);
}

/* ==========================================================================
   1. 基础重置与排版
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.5em;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: 0.01em;
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-s);
}

ul, ol {
  margin: 0 0 1em;
  padding-left: 1.4em;
}

table {
  border-collapse: collapse;
  width: 100%;
}

svg {
  display: block;
}

blockquote {
  margin: 0 0 1em;
  padding: 12px 18px;
  border-left: 3px solid var(--blue);
  background: var(--blue-soft);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  color: var(--ink-2);
}

pre, code, kbd {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

pre {
  background: var(--dark);
  color: var(--dark-ink);
  padding: 16px 20px;
  border-radius: var(--radius-s);
  overflow-x: auto;
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  width: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  word-wrap: normal;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  background: var(--blue);
  color: #fff;
  padding: 10px 18px;
  border-radius: 0 0 var(--radius-s) 0;
}

.skip-link:focus {
  left: 0;
}

/* WordPress 核心类 */
.alignleft { float: left; margin: 0 20px 12px 0; }
.alignright { float: right; margin: 0 0 12px 20px; }
.aligncenter { display: block; margin: 0 auto 16px; }
.wp-caption { max-width: 100%; }
.wp-caption-text { font-size: 13px; color: var(--ink-3); text-align: center; padding: 6px 0; }
.sticky { border-color: var(--blue); }
.bypostauthor { outline: none; }
.gallery-caption { font-size: 13px; color: var(--ink-3); }

/* ==========================================================================
   2. 布局容器与通用卡片
   ========================================================================== */

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-main {
  display: block;
}

.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 28px;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  border-color: var(--blue);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.card-static:hover {
  transform: none;
  box-shadow: none;
}

.card-dark {
  background: var(--dark);
  border-color: var(--dark-line);
  color: var(--dark-ink);
}

.card-dark h2,
.card-dark h3,
.card-dark h4 {
  color: #fff;
}

.card-dark:hover {
  border-color: var(--blue);
}

.card-blue {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.card-blue:hover {
  border-color: var(--blue-deep);
  background: var(--blue-deep);
}

.card-blue a {
  color: #fff;
}

/* 卡片右上角线性小图标 */
.corner-ico {
  position: absolute;
  top: 20px;
  right: 20px;
  color: var(--ink-3);
  transition: color 0.25s ease;
  pointer-events: none;
}

.corner-ico .ico {
  width: 20px;
  height: 20px;
}

.card:hover .corner-ico {
  color: var(--blue);
}

.card-dark .corner-ico {
  color: #56585e;
}

.card-blue .corner-ico {
  color: rgba(255, 255, 255, 0.7);
}

.ico {
  width: 18px;
  height: 18px;
  flex: none;
}

/* 格签:每张卡左上角的小标签 */
.cell-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  line-height: 1;
  color: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 12px;
  margin-bottom: 14px;
  background: var(--bg);
}

.card-dark .cell-tag {
  color: var(--dark-ink-2);
  border-color: var(--dark-line);
  background: rgba(255, 255, 255, 0.04);
}

.card-blue .cell-tag {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.12);
}

/* 芯片(小标签组) */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.chip {
  display: inline-flex;
  align-items: center;
  font-size: 12.5px;
  line-height: 1;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink-2);
  background: var(--card);
  transition: border-color 0.2s ease, color 0.2s ease;
}

a.chip:hover {
  border-color: var(--blue);
  color: var(--blue);
  text-decoration: none;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-2px);
}

.btn-blue {
  background: var(--blue);
  color: #fff;
}

.btn-blue:hover {
  background: var(--blue-deep);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn-ghost:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.btn-light {
  background: #fff;
  color: var(--ink);
}

.btn-light:hover {
  color: var(--blue);
}

.btn .ico {
  width: 16px;
  height: 16px;
}

/* 板块骨架 */
.sec {
  padding: 44px 0 8px;
}

.sec-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.sec-kicker {
  font-size: 13px;
  color: var(--blue);
  margin: 0 0 6px;
  letter-spacing: 0.06em;
}

.sec-title {
  font-size: clamp(24px, 3.2vw, 34px);
  margin: 0;
}

.sec-note {
  font-size: 14px;
  color: var(--ink-3);
  max-width: 420px;
  margin: 0;
  text-align: right;
}

/* 要点列表:产品经理腔,短句 + 方点 */
.pt-list {
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
}

.pt-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 7px;
  font-size: 14.5px;
  color: var(--ink-2);
}

.pt-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--blue);
}

.card-dark .pt-list li {
  color: var(--dark-ink-2);
}

/* 键值行:参数格用,等宽数字 */
.kv {
  list-style: none;
  margin: 0;
  padding: 0;
}

.kv li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}

.kv li:last-child {
  border-bottom: none;
}

.kv .k {
  color: var(--ink-3);
  flex: none;
}

.kv .v {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  text-align: right;
}

.card-dark .kv li {
  border-color: var(--dark-line);
}

.card-dark .kv .v {
  color: #fff;
}

/* sparkline 小折线 */
.sparkline {
  width: 100%;
  height: 40px;
  color: var(--blue);
  margin-top: 12px;
}

.sparkline polyline {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sparkline .spark-area {
  fill: currentColor;
  opacity: 0.08;
  stroke: none;
}

.sparkline .spark-dot {
  fill: currentColor;
  stroke: none;
}

/* 大数字 */
.big-num {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 6px 0 2px;
}

.big-num b {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 3.6vw, 42px);
  font-weight: 700;
  line-height: 1;
}

.big-num i {
  font-style: normal;
  font-size: 16px;
  color: var(--ink-3);
  font-family: var(--font-mono);
}

.card-dark .big-num i {
  color: var(--dark-ink-2);
}

.num-note {
  font-size: 13px;
  color: var(--ink-3);
  margin: 4px 0 0;
}

/* ==========================================================================
   3. 页头与导航
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(244, 245, 247, 0.85);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: background 0.25s ease, border-color 0.25s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.94);
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 68px;
  position: relative;
}

.brand {
  margin-right: auto;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
}

.brand-link:hover {
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  width: 36px;
  height: 36px;
}

.brand-mark svg {
  width: 100%;
  height: 100%;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-text b {
  font-size: 16.5px;
  font-weight: 700;
}

.brand-text i {
  font-style: normal;
  font-size: 10.5px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
}

.custom-logo {
  max-height: 44px;
  width: auto;
  border-radius: 8px;
}

.site-nav .menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 4px;
}

.site-nav .menu a {
  display: inline-block;
  padding: 9px 14px;
  border-radius: 999px;
  color: var(--ink-2);
  font-size: 14.5px;
  font-weight: 500;
  transition: color 0.2s ease, background 0.2s ease;
}

.site-nav .menu a:hover,
.site-nav .menu .current-menu-item > a,
.site-nav .menu .current_page_item > a {
  color: var(--blue);
  background: var(--blue-soft);
  text-decoration: none;
}

.header-cta {
  flex: none;
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

body.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

body.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

body.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   4. 首屏 bento 拼图(grid-template-areas)
   ========================================================================== */

.hero-sec {
  padding: 28px 0 8px;
}

.bento-hero {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(6, minmax(0, 1fr));
  grid-auto-rows: minmax(150px, auto);
  grid-template-areas:
    "slogan slogan slogan slogan tower tower"
    "eff    eff    models models tower tower"
    "mat    mat    mat    cta    tower tower";
}

.hb-slogan { grid-area: slogan; display: flex; flex-direction: column; justify-content: center; }
.hb-tower  { grid-area: tower; }
.hb-eff    { grid-area: eff; }
.hb-models { grid-area: models; }
.hb-mat    { grid-area: mat; }
.hb-cta    { grid-area: cta; }

.hb-slogan h1 {
  font-size: clamp(30px, 4.4vw, 50px);
  margin: 6px 0 12px;
  letter-spacing: 0.04em;
}

.hb-slogan h1 em {
  font-style: normal;
  color: var(--blue);
}

.hb-lead {
  font-size: 15.5px;
  color: var(--ink-2);
  max-width: 560px;
  margin-bottom: 18px;
}

.hb-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

/* 塔卡:黑底,立式喷淋塔线稿 */
.hb-tower {
  display: flex;
  flex-direction: column;
  padding: 22px;
  overflow: hidden;
}

.tower-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}

.tower-svg {
  width: auto;
  height: 100%;
  max-height: 430px;
  max-width: 100%;
  color: #d7d9de;
}

.tower-caption {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  border-top: 1px solid var(--dark-line);
  padding-top: 12px;
  margin-top: 10px;
  font-size: 13px;
  color: var(--dark-ink-2);
}

.tower-caption b {
  color: #fff;
  font-family: var(--font-mono);
}

/* SVG 内部分组 */
.t-blue { stroke: var(--blue); }
.t-blue-fill { fill: var(--blue); stroke: none; }
.t-faint { opacity: 0.45; }
.t-label {
  font-family: var(--font-mono);
  font-size: 9px;
  fill: currentColor;
  opacity: 0.55;
  stroke: none;
}

/* 型号格 */
.model-rows {
  list-style: none;
  margin: 0;
  padding: 0;
}

.model-rows li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}

.model-rows li:last-child {
  border-bottom: none;
}

.model-rows .m-name {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--ink);
}

.model-rows .m-val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--ink-2);
  font-size: 13px;
}

/* 材料格 */
.hb-mat {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.mat-line {
  font-size: 15.5px;
  margin: 0 0 12px;
  line-height: 1.65;
}

.mat-line b {
  color: var(--blue);
}

/* 沟通入口小卡 */
.hb-cta {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hb-cta .cta-arrow {
  align-self: flex-end;
  width: 34px;
  height: 34px;
  color: #fff;
}

.hb-cta-txt {
  display: flex;
  flex-direction: column;
}

.hb-cta-t {
  font-size: 19px;
  font-weight: 700;
}

.hb-cta-p {
  margin-top: 4px;
  font-size: 13px;
  opacity: 0.85;
}

a.hb-cta:hover {
  text-decoration: none;
}

/* ==========================================================================
   5. 产品矩阵(span 拼图)
   ========================================================================== */

.grid-products {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.sp-2 { grid-column: span 2; }
.rw-2 { grid-row: span 2; }

.p-card {
  display: flex;
  flex-direction: column;
}

.p-card h3 {
  font-size: 19px;
  margin: 0 0 4px;
}

.p-card .p-model {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--blue);
  margin: 0 0 10px;
}

.p-card .p-pos {
  font-size: 14px;
  color: var(--ink-2);
  margin: 0 0 12px;
}

.p-spec {
  margin-top: auto;
  border-top: 1px solid var(--line);
  padding-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 13px;
}

.p-spec span {
  color: var(--ink-3);
}

.p-spec b {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--ink);
}

.card-dark .p-spec {
  border-color: var(--dark-line);
}

.card-dark .p-spec b {
  color: #fff;
}

.p-link {
  margin-top: 14px;
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.p-mini-tower {
  margin: 14px auto 4px;
  height: 130px;
  color: var(--ink-3);
}

.card-dark .p-mini-tower {
  color: #6b6e75;
}

/* 产品缩略图 */
.p-thumb {
  margin: -10px -12px 14px;
  border-radius: var(--radius-s);
  overflow: hidden;
}

.p-thumb img {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-s);
}

/* ==========================================================================
   6. 工艺与材料
   ========================================================================== */

.craft-grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.craft-flow {
  grid-column: span 3;
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  counter-reset: step;
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.flow-steps li {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  padding: 16px 14px 14px;
}

.flow-steps li::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue);
  display: block;
  margin-bottom: 6px;
}

.flow-steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -10px;
  width: 8px;
  height: 8px;
  border-top: 2px solid var(--ink-3);
  border-right: 2px solid var(--ink-3);
  transform: translateY(-50%) rotate(45deg);
  z-index: 1;
}

.flow-steps b {
  display: block;
  font-size: 14.5px;
  margin-bottom: 3px;
}

.flow-steps span {
  font-size: 12.5px;
  color: var(--ink-3);
  line-height: 1.5;
  display: block;
}

.craft-supplier {
  grid-column: span 2;
}

.craft-weld {
  display: flex;
  flex-direction: column;
}

/* 焊缝示意 */
.weld-svg {
  margin-top: auto;
  width: 100%;
  height: 90px;
  color: var(--ink-3);
}

/* ==========================================================================
   7. 方案拼图(行业,grid-template-areas)
   ========================================================================== */

.grid-industry {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: minmax(150px, auto);
  grid-template-areas:
    "elec elec clean pcb"
    "semi lab  clean surf";
}

.ind-elec  { grid-area: elec; }
.ind-clean { grid-area: clean; }
.ind-pcb   { grid-area: pcb; }
.ind-semi  { grid-area: semi; }
.ind-lab   { grid-area: lab; }
.ind-surf  { grid-area: surf; }

.ind-card h3 {
  font-size: 17.5px;
  margin: 0 0 6px;
}

.ind-card p {
  font-size: 13.5px;
  color: var(--ink-2);
  margin: 0;
}

.card-dark.ind-card p {
  color: var(--dark-ink-2);
}

.ind-card .ind-load {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-3);
  border-top: 1px dashed var(--line);
  padding-top: 10px;
}

.card-dark .ind-load {
  border-color: var(--dark-line);
}

.ind-clean {
  display: flex;
  flex-direction: column;
}

.ind-clean .pt-list {
  margin-top: 12px;
}

/* ==========================================================================
   8. 落地案例(场景-方案-结果)
   ========================================================================== */

.grid-cases {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-card {
  display: flex;
  flex-direction: column;
}

.case-card h3 {
  font-size: 17px;
  margin: 0 0 14px;
}

.case-block {
  border-top: 1px solid var(--line);
  padding: 11px 0;
}

.case-block:last-of-type {
  padding-bottom: 0;
}

.case-block .cb-k {
  display: inline-block;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--blue);
  margin-bottom: 4px;
  letter-spacing: 0.08em;
}

.case-block p {
  margin: 0;
  font-size: 13.8px;
  color: var(--ink-2);
}

.case-block .cb-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  font-weight: 600;
}

/* ==========================================================================
   9. 公司档案(关于)
   ========================================================================== */

.about-grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
}

.about-main p.about-say {
  font-size: 17px;
  line-height: 1.9;
  color: var(--dark-ink);
  margin: 0 0 16px;
}

.about-main p.about-say b {
  color: #fff;
}

.about-side {
  display: grid;
  gap: var(--gap);
}

/* ==========================================================================
   10. 版本发布(新闻)
   ========================================================================== */

.grid-news {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.news-card {
  display: flex;
  flex-direction: column;
}

.news-card .n-ver {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--blue);
  margin: 0 0 8px;
}

.news-card h3 {
  font-size: 16.5px;
  margin: 0 0 8px;
}

.news-card h3 a {
  color: var(--ink);
}

.news-card h3 a:hover {
  color: var(--blue);
  text-decoration: none;
}

.news-card p {
  font-size: 13.8px;
  color: var(--ink-2);
  margin: 0 0 12px;
}

.news-card time {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-3);
  border-top: 1px dashed var(--line);
  padding-top: 10px;
}

/* ==========================================================================
   11. 沟通入口(联系 CTA)
   ========================================================================== */

.contact-grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
}

.contact-main h2 {
  font-size: clamp(24px, 3vw, 32px);
  margin: 6px 0 10px;
}

.contact-main .contact-lead {
  color: var(--ink-2);
  max-width: 520px;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14.5px;
}

.contact-list li:last-child {
  border-bottom: none;
}

.contact-list .ico {
  color: var(--blue);
  margin-top: 3px;
}

.contact-list .c-k {
  color: var(--ink-3);
  flex: none;
  width: 3.2em;
}

.contact-list .c-v {
  color: var(--ink);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  word-break: break-all;
}

/* ==========================================================================
   12. 页脚(bento 化页脚)
   ========================================================================== */

.site-footer {
  padding: 46px 0 30px;
}

.footer-grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.9fr) minmax(0, 1.1fr) minmax(0, 1.2fr);
  margin-bottom: var(--gap);
}

.f-col h4 {
  font-size: 14px;
  margin: 0 0 14px;
  color: var(--ink-3);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.card-dark.f-col h4 {
  color: var(--dark-ink-2);
}

.f-brand .brand-link {
  color: #fff;
  margin-bottom: 14px;
}

.f-brand .brand-text i {
  color: var(--dark-ink-2);
}

.f-brand p {
  font-size: 13.5px;
  color: var(--dark-ink-2);
  margin: 0 0 10px;
}

.f-brand .f-slogan {
  font-size: 15px;
  color: #fff;
  letter-spacing: 0.14em;
  margin: 0;
}

.footer-menu ul,
.f-col ul.f-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-menu li,
.f-col ul.f-list li {
  margin-bottom: 9px;
  font-size: 14px;
}

.footer-menu a {
  color: var(--ink-2);
}

.footer-menu a:hover {
  color: var(--blue);
  text-decoration: none;
}

.f-contact li {
  display: flex;
  gap: 8px;
  color: var(--ink-2);
  font-size: 13.5px;
}

.f-contact .mono {
  color: var(--ink);
}

.f-supplier p {
  font-size: 13.5px;
  color: var(--ink-2);
  margin: 0 0 10px;
  line-height: 1.75;
}

.f-supplier .chip {
  font-size: 12px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 18px 4px 0;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--ink-3);
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom .mono {
  letter-spacing: 0.06em;
}

/* ==========================================================================
   13. 内页(标题卡 / 文章 / 归档 / 侧栏)
   ========================================================================== */

.page-head {
  margin: 28px 0 20px;
}

.page-head .card {
  padding: 34px 36px;
}

.page-head h1 {
  font-size: clamp(26px, 3.4vw, 38px);
  margin: 6px 0 6px;
}

.page-head .head-desc {
  color: var(--ink-2);
  font-size: 15px;
  margin: 0;
  max-width: 640px;
}

.blog-layout {
  display: grid;
  gap: var(--gap);
  grid-template-columns: minmax(0, 1fr) 320px;
  align-items: start;
  padding-bottom: 40px;
}

.post-list {
  display: grid;
  gap: var(--gap);
}

.post-card h2 {
  font-size: 21px;
  margin: 0 0 8px;
}

.post-card h2 a {
  color: var(--ink);
}

.post-card h2 a:hover {
  color: var(--blue);
  text-decoration: none;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 12.5px;
  font-family: var(--font-mono);
  color: var(--ink-3);
  margin-bottom: 10px;
}

.post-meta a {
  color: var(--ink-3);
}

.post-meta a:hover {
  color: var(--blue);
}

.post-card .entry-summary {
  color: var(--ink-2);
  font-size: 14.5px;
}

.post-thumb {
  margin: 0 0 16px;
  border-radius: var(--radius-s);
  overflow: hidden;
}

.post-thumb img {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.more-link {
  font-weight: 600;
  font-size: 14px;
}

/* 侧栏 */
.site-sidebar {
  display: grid;
  gap: var(--gap);
}

.widget-title {
  font-size: 15px;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.card-dark .widget-title {
  border-color: var(--dark-line);
}

.widget ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.widget ul li {
  padding: 7px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}

.widget ul li:last-child {
  border-bottom: none;
}

.widget a {
  color: var(--ink-2);
}

.widget a:hover {
  color: var(--blue);
}

.card-dark.widget a {
  color: var(--dark-ink-2);
}

.card-dark.widget a:hover {
  color: #fff;
}

.card-dark.widget ul li {
  border-color: var(--dark-line);
}

/* 正文排版 */
.entry-card {
  padding: 36px 40px;
}

.entry-title {
  font-size: clamp(26px, 3.4vw, 36px);
  margin: 4px 0 12px;
}

.entry-content {
  font-size: 15.5px;
  color: #2b2f36;
}

.entry-content h2 {
  font-size: 23px;
  margin-top: 1.6em;
}

.entry-content h3 {
  font-size: 19px;
  margin-top: 1.4em;
}

.entry-content a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.entry-content table th,
.entry-content table td {
  border: 1px solid var(--line);
  padding: 9px 13px;
  font-size: 14px;
  text-align: left;
}

.entry-content table th {
  background: var(--bg);
}

.entry-footer {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-links {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 14px;
}

/* 上/下篇 */
.post-nav {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: var(--gap);
}

.post-nav a {
  display: block;
  color: var(--ink);
}

.post-nav a:hover {
  text-decoration: none;
  color: var(--blue);
}

.post-nav .pn-k {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-3);
  margin-bottom: 6px;
}

.post-nav .pn-t {
  font-size: 14.5px;
  font-weight: 600;
}

.post-nav .is-next {
  text-align: right;
}

/* 分页 */
.pagination-wrap {
  margin-top: 4px;
}

.pagination .nav-links,
.navigation.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 13px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  color: var(--ink-2);
  font-family: var(--font-mono);
  font-size: 14px;
}

a.page-numbers:hover {
  border-color: var(--blue);
  color: var(--blue);
  text-decoration: none;
}

.page-numbers.current {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

/* 评论 */
.comments-card {
  margin-top: var(--gap);
}

.comment-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.comment-list .comment {
  border-top: 1px dashed var(--line);
  padding: 16px 0;
}

.comment-list .children {
  list-style: none;
  padding-left: 24px;
}

.comment-meta {
  font-size: 13px;
  color: var(--ink-3);
  font-family: var(--font-mono);
}

.comment-content {
  font-size: 14.5px;
}

.comment-form label {
  display: block;
  font-size: 13.5px;
  color: var(--ink-2);
  margin-bottom: 5px;
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: var(--bg);
  font-family: inherit;
  font-size: 14.5px;
  margin-bottom: 14px;
}

.comment-form input:focus,
.comment-form textarea:focus,
.search-field:focus {
  outline: 2px solid var(--blue);
  outline-offset: 1px;
  border-color: var(--blue);
}

.comment-form .submit {
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 11px 24px;
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
}

.comment-form .submit:hover {
  background: var(--blue-deep);
}

/* 搜索表单 */
.search-form {
  display: flex;
  gap: 8px;
}

.search-form label {
  flex: 1;
}

.search-field {
  width: 100%;
  padding: 11px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  font-family: inherit;
  font-size: 14.5px;
}

.search-submit {
  flex: none;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 0 20px;
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
}

.search-submit:hover {
  background: var(--blue-deep);
}

/* 404 */
.error-card {
  text-align: center;
  padding: 60px 30px;
}

.error-code {
  font-family: var(--font-mono);
  font-size: clamp(64px, 10vw, 110px);
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
  margin: 0 0 8px;
}

.error-code em {
  font-style: normal;
  color: var(--blue);
}

.error-card p {
  color: var(--ink-2);
}

.error-card .search-form {
  max-width: 420px;
  margin: 22px auto;
}

.error-card .chips {
  justify-content: center;
}

/* 空状态 */
.empty-note {
  font-size: 13px;
  color: var(--ink-3);
  font-family: var(--font-mono);
  margin: 0 0 14px;
}

/* ==========================================================================
   14. 产品详情
   ========================================================================== */

.product-layout {
  display: grid;
  gap: var(--gap);
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  align-items: start;
  padding-bottom: 40px;
}

.product-side {
  display: grid;
  gap: var(--gap);
}

.spec-table {
  width: 100%;
  font-size: 14px;
}

.spec-table th,
.spec-table td {
  padding: 9px 4px;
  border-bottom: 1px dashed var(--line);
  text-align: left;
}

.spec-table tr:last-child th,
.spec-table tr:last-child td {
  border-bottom: none;
}

.spec-table th {
  color: var(--ink-3);
  font-weight: 500;
  width: 42%;
}

.spec-table td {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
  color: var(--ink);
}

.spec-note {
  font-size: 12px;
  color: var(--ink-3);
  margin: 12px 0 0;
}

.product-terms {
  margin-top: 16px;
}

/* ==========================================================================
   15. 入场动画(.reveal,仅 html.js 且非降噪模式)
   ========================================================================== */

@media (prefers-reduced-motion: no-preference) {
  html.js .reveal {
    opacity: 0;
    transform: translateY(16px);
  }

  html.js .reveal.in {
    opacity: 1;
    transform: none;
    transition: opacity 0.55s ease, transform 0.55s ease;
  }

  html.js .reveal.in:nth-child(2) { transition-delay: 0.07s; }
  html.js .reveal.in:nth-child(3) { transition-delay: 0.13s; }
  html.js .reveal.in:nth-child(4) { transition-delay: 0.19s; }
  html.js .reveal.in:nth-child(5) { transition-delay: 0.25s; }
  html.js .reveal.in:nth-child(6) { transition-delay: 0.31s; }

  /* sparkline 描线动画:入场时展开 */
  html.js .reveal .sparkline polyline {
    stroke-dasharray: 320;
    stroke-dashoffset: 320;
  }

  html.js .reveal.in .sparkline polyline {
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 1.3s ease 0.3s;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .card:hover,
  .btn:hover {
    transform: none;
  }

  .card,
  .btn,
  .site-header,
  .nav-toggle span {
    transition: none;
  }
}

/* ==========================================================================
   16. 响应式
   ========================================================================== */

@media (max-width: 1024px) {
  .bento-hero {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "slogan slogan"
      "tower  tower"
      "eff    models"
      "mat    mat"
      "cta    cta";
  }

  .grid-products {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-industry {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "elec  elec"
      "clean pcb"
      "semi  lab"
      "surf  surf";
  }

  .grid-cases,
  .grid-news {
    grid-template-columns: minmax(0, 1fr);
  }

  .craft-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .craft-flow,
  .craft-supplier {
    grid-column: span 1;
  }

  .flow-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .flow-steps li:not(:last-child)::after {
    display: none;
  }

  .about-grid,
  .contact-grid,
  .product-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .blog-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  body {
    font-size: 15px;
  }

  .card {
    padding: 20px;
  }

  .sec {
    padding: 30px 0 6px;
  }

  .sec-note {
    text-align: left;
  }

  /* 汉堡导航 */
  .nav-toggle {
    display: flex;
  }

  .header-cta {
    display: none;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 10px;
    box-shadow: 0 16px 40px rgba(17, 24, 39, 0.12);
  }

  body.nav-open .site-nav {
    display: block;
  }

  .site-nav .menu {
    flex-direction: column;
    gap: 2px;
  }

  .site-nav .menu a {
    display: block;
    padding: 12px 16px;
    border-radius: var(--radius-s);
  }

  /* bento 全部降级为单列,卡片个性保留 */
  .bento-hero {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "slogan"
      "tower"
      "eff"
      "models"
      "mat"
      "cta";
  }

  .tower-stage {
    min-height: 300px;
  }

  .grid-products {
    grid-template-columns: minmax(0, 1fr);
  }

  .sp-2 {
    grid-column: auto;
  }

  .rw-2 {
    grid-row: auto;
  }

  .grid-industry {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "elec"
      "clean"
      "pcb"
      "semi"
      "lab"
      "surf";
  }

  .flow-steps {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .entry-card {
    padding: 24px 20px;
  }

  .page-head .card {
    padding: 24px 20px;
  }

  .post-nav {
    grid-template-columns: minmax(0, 1fr);
  }

  .post-nav .is-next {
    text-align: left;
  }
}