/* ============================================================
   NOYS 官网 · 设计系统
   方向：工业技术图纸 × 编辑式排版
   原则：参数优先、内容即界面、静态可抓取、单一主色、工程级可用性
   ============================================================ */

/* --- Tokens（hex 兜底 + oklch 覆盖，兼容旧内核浏览器） --- */
:root {
  --paper: #FFFFFF;      --paper: oklch(100% 0 0);
  --paper-2: #F6F7F8;    --paper-2: oklch(97.8% 0.002 240);
  --white: #FFFFFF;      --white: oklch(100% 0 0);
  --ink: #1C2A33;        --ink: oklch(23% 0.025 235);
  --ink-2: #33454F;      --ink-2: oklch(35% 0.022 235);
  --muted: #5C666C;      --muted: oklch(48% 0.014 235);
  --red: #A83A28;        --red: oklch(48% 0.14 28);
  --red-deep: #7E2A1D;   --red-deep: oklch(38% 0.12 28);
  --copper: #C4764A;     --copper: oklch(62% 0.11 55);
  --line: #E4E7EA;       --line: oklch(92% 0.003 240);
  --line-2: #CBD0D5;     --line-2: oklch(85% 0.005 240);
  --soft: #F2F4F6;       --soft: oklch(96.5% 0.003 240);

  --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, sans-serif;
  --font-num: "Bahnschrift", "DIN Alternate", "Segoe UI Variable Display", "Segoe UI", var(--font-cn);

  --step--1: 0.8125rem;
  --step-0: 1rem;
  --step-1: 1.25rem;
  --step-2: 1.625rem;
  --step-3: 2.25rem;
  --step-4: clamp(2.25rem, 4.2vw, 3.6rem);
  --step-5: clamp(2.75rem, 6.2vw, 5.5rem);

  --gutter: clamp(1.25rem, 4vw, 5rem);
  --max: 1400px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
[id] { scroll-margin-top: 96px; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--font-cn); font-size: var(--step-0); line-height: 1.75;
  font-kerning: normal; -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4, p, figure, blockquote { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }
table { border-collapse: collapse; width: 100%; }
:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; }
::selection { background: var(--red); color: #FFFDFA; }

.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
.skip-link {
  position: absolute; left: 1rem; top: -100px; z-index: 100;
  background: var(--ink); color: var(--white); padding: .75rem 1.25rem;
}
.skip-link:focus { top: 1rem; }

/* --- 通用排版 --- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .75rem;
  font-family: var(--font-num); font-size: var(--step--1);
  letter-spacing: .18em; text-transform: uppercase; color: var(--red);
  font-variant-numeric: tabular-nums;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--red); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.section-head h2 { font-size: var(--step-4); line-height: 1.2; letter-spacing: -.01em; font-weight: 700; }
.section-head .sub { color: var(--muted); max-width: 46ch; margin-top: .75rem; }
.section-no { font-family: var(--font-num); font-size: var(--step--1); letter-spacing: .2em; color: var(--muted); }
.lead { font-size: var(--step-1); line-height: 1.7; color: var(--ink-2); max-width: 62ch; }
.muted { color: var(--muted); }
.num { font-family: var(--font-num); font-variant-numeric: tabular-nums; }
.section { padding-block: clamp(2.5rem, 5.5vw, 5rem); }
.section--tight { padding-block: clamp(2rem, 4vw, 3.5rem); }
.section--line { border-top: 1px solid var(--line); }
.section--soft { background: var(--paper-2); }
.section--dark { background: var(--ink); color: var(--paper); }
.rule { height: 1px; background: var(--line); border: 0; }

/* --- 按钮 --- */
.btn {
  display: inline-flex; align-items: center; gap: .9rem;
  padding: .9rem 1.6rem; min-height: 48px;
  font-size: .9375rem; font-weight: 600; letter-spacing: .02em;
  border: 1px solid var(--ink); background: var(--ink); color: var(--white);
  transition: background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease), transform .35s var(--ease);
}
.btn:hover { background: var(--red); border-color: var(--red); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn--ghost:hover { background: var(--ink); border-color: var(--ink); color: var(--white); }
.btn--red { background: var(--red); border-color: var(--red); }
.btn--red:hover { background: var(--red-deep); border-color: var(--red-deep); }
.btn .arrow { font-family: var(--font-num); transition: transform .35s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.textlink {
  display: inline-flex; align-items: center; gap: .5rem;
  color: var(--red); font-weight: 600; border-bottom: 1px solid currentColor; padding-bottom: 2px;
}
.textlink .arrow { font-family: var(--font-num); transition: transform .35s var(--ease); }
.textlink:hover .arrow { transform: translateX(4px); }

/* --- Header --- */
.topbar { background: #000; color: var(--paper); font-size: var(--step--1); }
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; min-height: 36px; gap: 1rem; }
.topbar span { letter-spacing: .04em; }
.topbar .tel { font-family: var(--font-num); letter-spacing: .08em; color: var(--white); }
.topbar .tel strong { color: #E9A98C; font-weight: 600; }
/* 页头菜单条：纯黑背景（与顶栏一体），红色 logo + 浅色文字，强调色 #E9A98C；不吸附置顶，随页面滚动 */
.site-header {
  position: relative; z-index: 50;
  background: #000; border-bottom: 1px solid #262626;
}
.site-header .wrap { display: flex; align-items: center; gap: 2rem; min-height: 82px; }
.brand { display: flex; align-items: center; gap: .85rem; flex: 0 0 auto; }
.brand-logo { height: 46px; width: auto; display: block; }
.brand .brand-txt { display: flex; flex-direction: column; line-height: 1.15; }
.brand .brand-en { font-family: var(--font-num); font-size: 1.55rem; font-weight: 700; letter-spacing: .16em; }
.brand .brand-cn { font-size: .7rem; letter-spacing: .3em; color: var(--muted); }
.main-nav { margin-left: auto; margin-right: auto; }
.main-nav ul { display: flex; align-items: center; gap: clamp(1.4rem, 2.6vw, 3.2rem); }
.main-nav a {
  position: relative; display: block; padding: .5rem 0;
  font-size: .9375rem; font-weight: 500; white-space: nowrap;
  color: var(--paper);
  transition: color .3s var(--ease);
}
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%;
  background: #E9A98C; transform: scaleX(0); transform-origin: left;
  transition: transform .4s var(--ease);
}
.main-nav a:hover, .main-nav a[aria-current="page"] { color: #E9A98C; }
.main-nav a:hover::after, .main-nav a[aria-current="page"]::after { transform: scaleX(1); }
.header-cta { flex: 0 0 auto; }
.header-cta .btn { padding: .6rem 1.1rem; min-height: 44px; }
/* 黑底上的头部按钮反白：白底墨字，hover 转红 */
.site-header .btn { background: var(--paper); border-color: var(--paper); color: var(--ink); }
.site-header .btn:hover { background: var(--red); border-color: var(--red); color: var(--white); }
.nav-toggle { display: none; width: 46px; height: 46px; border: 1px solid #333; margin-left: auto; position: relative; }
.nav-toggle span { position: absolute; left: 12px; width: 22px; height: 2px; background: var(--paper); transition: transform .35s var(--ease), opacity .3s var(--ease); }
.nav-toggle span:nth-child(1) { top: 16px; } .nav-toggle span:nth-child(2) { top: 22px; } .nav-toggle span:nth-child(3) { top: 28px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* --- Hero --- */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero .wrap {
  display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  gap: clamp(2rem, 5vw, 5rem); align-items: center;
  padding-block: clamp(3.5rem, 7vw, 7rem);
}
.hero h1 { font-size: var(--step-5); line-height: 1.08; letter-spacing: -.02em; font-weight: 700; margin: 1.5rem 0 1.5rem; white-space: pre-line; }
.hero h1 em { font-style: normal; color: var(--red); }
.hero .lead { max-width: 48ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2.25rem; }
.hero-marks { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2.75rem; }
.hero-marks li {
  font-size: var(--step--1); letter-spacing: .08em; color: var(--muted);
  border: 1px solid var(--line-2); padding: .35rem .8rem;
}
.hero-visual { position: relative; }
.hero-visual .frame { border: 1px solid var(--line-2); background: var(--white); box-shadow: 18px 18px 0 var(--paper-2); }
.hero-visual img { width: 100%; }
.hero-visual .tag {
  position: absolute; bottom: -1px; right: -1px; background: var(--red); color: var(--white);
  font-family: var(--font-num); font-size: .72rem; letter-spacing: .14em; padding: .6rem 1rem;
}
.hero-index {
  position: absolute; top: clamp(1.5rem, 3vw, 3rem); right: var(--gutter);
  font-family: var(--font-num); font-size: var(--step--1); letter-spacing: .2em; color: var(--muted);
}

/* --- 首页轮播（PHP 动态站） ---
   无 JS 时只显示第一帧，其余帧仍在 HTML 源码里，爬虫可读全部文案。
   JS 加 html.js-slider 后启用淡入淡出；reduced-motion 下不自动播放。 */
.hero-slider {
  position: relative; overflow: hidden;
  background: #FFFFFF; color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.hero-slider .hero-index { display: none; }
.slider-track { position: relative; height: clamp(420px, 40vw, 560px); }
.slide { position: absolute; inset: 0; display: flex; align-items: center; }
.slide:not(:first-child) { display: none; }
html.js-slider .slide {
  display: flex; opacity: 0; visibility: hidden;
  transition: opacity .8s var(--ease), visibility .8s var(--ease);
}
html.js-slider .slide.is-active { opacity: 1; visibility: visible; }
html:not(.js-slider) .slider-ui { display: none; }
.slide-media { position: absolute; inset: 0; }
.slide-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
/* 左侧提亮只为深色字对比度；背景 SVG 本身已带同向渐变，不叠色块 */
.slide-shade {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.78) 32%, rgba(255,255,255,.22) 62%, rgba(255,255,255,0) 100%);
}
.slide-inner { position: relative; z-index: 2; width: 100%; }
/* 文案整体略高于垂直中心，避免大标题压到右侧产品展台 */
.slide-copy { max-width: 780px; padding-block: 2rem; transform: translateY(-2.5rem); }
.slide-eyebrow {
  display: flex; align-items: center; gap: 1rem; margin: 0;
  font-size: clamp(.9rem, 1.15vw, 1.0625rem); letter-spacing: .12em;
  font-weight: 400; color: var(--ink-2);
}
.slide-eyebrow .rule { flex: 0 0 auto; width: 56px; height: 1px; background: rgba(28,42,51,.45); }
.slide-eyebrow .rule--long { width: 88px; opacity: .5; }
.slide-title {
  margin: 1.4rem 0 1.1rem;
  font-family: var(--font-cn); font-size: clamp(2.2rem, 3.8vw, 3.5rem);
  font-weight: 300; line-height: 1.22; letter-spacing: .02em;
  color: var(--ink);
}
.slide-sub {
  margin: 0; max-width: 62ch;
  font-size: clamp(.875rem, 1.05vw, 1.0625rem); letter-spacing: .06em;
  line-height: 1.9; color: var(--ink-2);
}
.slide-sub .sep { color: rgba(28,42,51,.38); margin-inline: .6rem; }
/* 首页第一张轮播：纯图展示，去掉白遮罩与叠加文案；H1 用 sr-only 保留供 SEO/读屏 */
.slide--clean .slide-shade { display: none; }
.slide--clean .slide-copy { transform: none; padding: 0; }
.slide--clean .slide-eyebrow,
.slide--clean .slide-sub { display: none; }
.slide--clean .slide-title {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* 底部居中的短横线指示器；箭头/播放控件 hover 或键盘聚焦时才出现 */
.slider-ui {
  position: absolute; left: 0; right: 0; bottom: clamp(1.2rem, 2.8vw, 2.2rem); z-index: 3;
  pointer-events: none;
}
.slider-ui-inner { position: relative; display: flex; align-items: center; justify-content: center; gap: 1.4rem; min-height: 0; }
.slider-dots { display: flex; align-items: center; gap: .45rem; pointer-events: auto; }
.slider-dot {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .55rem .15rem; border: 0; background: none;
}
.slider-dot .dot-bar {
  display: block; width: 28px; height: 2px; background: rgba(28,42,51,.30);
  transition: width .35s var(--ease), background .35s var(--ease);
}
.slider-dot:hover .dot-bar { background: rgba(28,42,51,.7); }
.slider-dot.is-current .dot-bar { width: 44px; background: var(--red); }
.slider-dot:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.slider-controls {
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  display: flex; gap: .4rem; pointer-events: auto;
  opacity: 0; transition: opacity .3s var(--ease);
}
.hero-slider:hover .slider-controls,
.hero-slider:focus-within .slider-controls { opacity: 1; }
.slider-btn {
  width: 36px; height: 36px; border: 1px solid rgba(28,42,51,.28);
  background: rgba(255,255,255,.92); color: var(--ink); font-size: .9rem; line-height: 1;
  transition: background .3s var(--ease), border-color .3s var(--ease);
}
.slider-btn:hover, .slider-btn:focus-visible { background: var(--red); border-color: var(--red); color: #FFFFFF; }
@media (hover: none) { .slider-controls { opacity: 1; } }

/* --- 能力列表 --- */
.cap-layout { display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); gap: clamp(2rem, 5vw, 6rem); }
.cap-layout .sticky { position: sticky; top: 110px; align-self: start; }
.cap-list > li { border-top: 1px solid var(--line); }
.cap-list > li:last-child { border-bottom: 1px solid var(--line); }
.cap-list a { display: grid; grid-template-columns: 4rem 1fr 2rem; gap: 1rem; align-items: baseline; padding: 1.6rem .5rem; transition: background .35s var(--ease), padding .35s var(--ease); }
.cap-list a:hover { background: var(--white); padding-left: 1.2rem; }
.cap-list .no { font-family: var(--font-num); font-size: 1.4rem; font-weight: 700; color: var(--red); font-variant-numeric: tabular-nums; }
.cap-list h3 { font-size: var(--step-2); font-weight: 600; line-height: 1.35; }
.cap-list p { color: var(--muted); margin-top: .4rem; max-width: 60ch; font-size: .9375rem; }
.cap-list .go { font-family: var(--font-num); color: var(--red); justify-self: end; }

/* --- 产品分类卡片：3 列大图 + 底部标题条，hover 红底白字 --- */
.cat-head { text-align: center; margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.cat-head-mark {
  display: block; width: 22px; height: 22px; margin: 0 auto 1.1rem;
  border: 3px solid var(--red); border-radius: 2px; position: relative;
}
.cat-head-mark::after {
  content: ""; position: absolute; left: 50%; top: -9px;
  width: 3px; height: 7px; background: var(--red); transform: translateX(-50%);
}
.cat-head h2 { font-size: clamp(1.5rem, 2.4vw, 2rem); font-weight: 500; letter-spacing: .12em; margin: 0 0 .8rem; }
.cat-head p { color: var(--muted); font-size: .9375rem; line-height: 1.8; max-width: 68ch; margin: 0 auto; }
.cat-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.75rem); border: 0;
}
.cat-grid li { border: 0; min-width: 0; }
.cat-card {
  display: flex; flex-direction: column; min-height: 0; padding: 0;
  position: relative; overflow: hidden; background: transparent; color: inherit;
}
.cat-visual { display: block; aspect-ratio: 4 / 3; overflow: hidden; background: var(--soft); }
.cat-photo { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.cat-card:hover .cat-photo, .cat-card:focus-visible .cat-photo { transform: scale(1.045); }
.cat-label {
  display: flex; align-items: center; justify-content: center; gap: .6rem;
  min-height: 58px; padding: .9rem 1rem;
  background: #F2F4F6; color: var(--ink);
  font-size: 1.0625rem; font-weight: 600; letter-spacing: .04em;
  transition: background .35s var(--ease), color .35s var(--ease);
}
.cat-card:hover .cat-label, .cat-card:focus-visible .cat-label { background: var(--red); color: var(--white); }
.cat-no { font-family: var(--font-num); font-size: .72rem; letter-spacing: .1em; color: var(--red); }
.cat-card:hover .cat-no, .cat-card:focus-visible .cat-no { color: rgba(255,255,255,.85); }
.cat-arrow {
  font-family: var(--font-num); opacity: 0; transform: translateX(-6px);
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.cat-card:hover .cat-arrow, .cat-card:focus-visible .cat-arrow { opacity: 1; transform: none; }
.cat-card--cta .cat-label { background: var(--red); color: var(--white); }
.cat-card:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }

/* --- 产品网格 --- */
/* 用卡片自身的 1px 外描边代替网格底色画线，避免空席位（系列型号不足 3 的倍数）露出灰块 */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.prod-card { background: var(--paper); display: flex; flex-direction: column; box-shadow: 0 0 0 1px var(--line); transition: background .35s var(--ease); }
.prod-card:hover { background: var(--white); }
/* 图区统一为浅灰影棚底：实拍图为纯白底抠图，用 multiply 融入底色，并放大裁掉原图白边；线稿保留整幅图纸加细边框 */
.prod-card .thumb {
  aspect-ratio: 4 / 3; overflow: hidden; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(120% 100% at 50% 0%, #FCFDFD 0%, #F0F3F5 55%, #E2E7EA 100%);
}
.prod-card .thumb img { width: 100%; height: 100%; object-fit: contain; max-width: none; max-height: none; transition: transform .6s var(--ease); }
.prod-card--photo .thumb img { width: 140%; height: 140%; mix-blend-mode: multiply; }
.prod-card--drawing .thumb { padding: 6%; }
.prod-card--drawing .thumb img { border: 1px solid var(--line); }
.prod-card:hover .thumb img { transform: scale(1.04); }
.prod-card .body { padding: 1.4rem 1.5rem 1.6rem; display: flex; flex-direction: column; flex: 1; }
.prod-card .model { font-family: var(--font-num); font-size: var(--step--1); letter-spacing: .14em; color: var(--red); }
.prod-card h3 { font-size: var(--step-1); font-weight: 700; margin: .45rem 0 .6rem; line-height: 1.4; }
.prod-card p { font-size: .9rem; color: var(--muted); line-height: 1.7; flex: 1; }
.prod-card .more { margin-top: 1.2rem; font-size: .875rem; color: var(--red); display: inline-flex; gap: .5rem; align-items: center; }

/* --- 内页页头（banner-10 背景图 + 深蓝遮罩 + 白字） --- */
.page-hero {
  border-bottom: 1px solid var(--line); position: relative; overflow: hidden;
  background: #16242f url('/assets/img/page-hero-bg.webp') center / cover no-repeat;
  background-image: image-set(url('/assets/img/page-hero-bg.webp') type('image/webp'), url('/assets/img/page-hero-bg.jpg') type('image/jpeg'));
  background-position: center; background-size: cover; background-repeat: no-repeat;
  color: #fff;
}
/* 深蓝渐变遮罩：左深右浅，保证左侧标题文字对比度，呼应联系页参考图风格 */
.page-hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: linear-gradient(105deg, rgba(16,28,40,.88) 0%, rgba(16,28,40,.72) 46%, rgba(16,28,40,.42) 100%);
}
.page-hero::after {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: linear-gradient(to right, rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(to bottom, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 80px 80px; opacity: .5;
  mask-image: linear-gradient(to left, #000, transparent 75%);
}
.page-hero .wrap { position: relative; z-index: 1; padding-block: clamp(2.25rem, 4.5vw, 4rem); }
.page-hero .eyebrow { color: rgba(255,255,255,.80); }
.page-hero h1 { font-size: var(--step-4); line-height: 1.15; font-weight: 700; margin: 1.25rem 0 1rem; color: #fff; }
.page-hero .lead { max-width: 64ch; color: rgba(255,255,255,.86); }
.page-hero .ghost-no { position: absolute; right: var(--gutter); bottom: -2rem; font-family: var(--font-num); font-size: clamp(6rem, 16vw, 15rem); font-weight: 700; color: #fff; opacity: .12; line-height: 1; pointer-events: none; }

/* --- 面包屑 --- */
.crumbs { border-bottom: 1px solid var(--line); font-size: var(--step--1); }
.crumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; padding-block: .9rem; }
.crumbs li { color: var(--muted); }
.crumbs li + li::before { content: "/"; margin-right: .6rem; color: var(--line-2); }
.crumbs a:hover { color: var(--red); }
.crumbs [aria-current="page"] { color: var(--ink); }

/* --- 通用两栏 --- */
.split { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.prose p { margin-bottom: 1.25rem; line-height: 1.9; color: var(--ink-2); }
.prose p:last-child { margin-bottom: 0; }
.prose h2 { font-size: var(--step-3); margin: 2.5rem 0 1rem; }
.prose h3 { font-size: var(--step-1); margin: 1.8rem 0 .6rem; }

/* --- 关于页公司简介：公司名通栏 + 左媒体 / 右正文 --- */
.profile-head { margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.profile-head h2 { font-size: var(--step-3); line-height: 1.3; margin: .9rem 0 .6rem; }
.profile-head__en { font-family: var(--font-num); letter-spacing: .1em; font-size: .9rem; color: var(--muted); }
.profile-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(1.5rem, 2.5vw, 2.25rem); align-items: start; }
.profile-media { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.profile-media__el { display: block; width: 100%; aspect-ratio: 3 / 2; object-fit: cover; object-position: center; }
video.profile-media__el { aspect-ratio: 16 / 9; }
.profile-facts { display: flex; flex-wrap: wrap; gap: 1.2rem 2.5rem; margin: 1.8rem 0 0; padding-top: 1.2rem; border-top: 1px solid var(--line); }
.profile-facts dt { font-size: .82rem; color: var(--muted); }
.profile-facts dd { margin: .35rem 0 0; font-weight: 600; color: var(--ink); }
@media (max-width: 900px) {
  .profile-grid { grid-template-columns: 1fr; }
}

/* --- 参数表 --- */
.spec-table { width: 100%; font-size: .9375rem; border-top: 2px solid var(--ink); }
.spec-table th, .spec-table td { padding: .9rem 1rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.spec-table th { width: 34%; font-weight: 600; color: var(--muted); background: var(--paper-2); }
.spec-table td { font-family: var(--font-num); font-variant-numeric: tabular-nums; letter-spacing: .02em; }
.data-table { width: 100%; font-size: .9375rem; }
.data-table th, .data-table td { padding: 1rem; border-bottom: 1px solid var(--line); text-align: left; }
.data-table thead th { border-bottom: 2px solid var(--ink); font-size: var(--step--1); letter-spacing: .08em; }

/* --- 详情布局 --- */
.detail { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.detail-visual { border: 1px solid var(--line); background: var(--white); }
.detail-visual img { width: 100%; }
/* 方案系统图：整图点击可开原图（图内标注在窄栏里偏小） */
.detail-visual__zoom { display: block; cursor: zoom-in; }
.detail-visual__zoom img { transition: opacity .3s var(--ease); }
.detail-visual__zoom:hover img { opacity: .9; }
.detail-visual .cap { border-top: 1px solid var(--line); padding: .75rem 1rem; font-size: var(--step--1); color: var(--muted); display: flex; justify-content: space-between; gap: 1rem; }
.detail h1 { font-size: var(--step-4); line-height: 1.2; font-weight: 700; margin: .8rem 0 1rem; }
.detail .model-line { font-family: var(--font-num); letter-spacing: .14em; color: var(--red); font-size: var(--step--1); }
.detail .summary { font-size: var(--step-1); color: var(--ink-2); line-height: 1.75; margin-bottom: 1.8rem; }
.detail-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
/* 方案详情：标题整幅 → 系统图通栏居中 → 场景与痛点分两栏，让组网图摆脱窄栏、标注看得清 */
.detail--solution { display: block; }
.detail--solution .detail-head h1 { max-width: 18em; }
.detail--solution .summary { max-width: 40em; margin-bottom: 0; }
.detail--solution .detail-visual { margin: clamp(1.6rem, 3vw, 2.4rem) auto clamp(1.8rem, 3.2vw, 2.6rem); }
.detail--solution .detail-visual--wide { max-width: min(100%, 920px); }
.detail--solution .detail-visual--tall { max-width: min(100%, 640px); }
.detail-body { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: clamp(1.8rem, 4vw, 4rem); align-items: start; }
.meta-row { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1.2rem 0; }
.meta-row span { font-size: var(--step--1); border: 1px solid var(--line-2); padding: .3rem .75rem; color: var(--muted); }

/* --- 列表 + 侧栏 --- */
.list-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: clamp(2rem, 4vw, 4rem); align-items: start; }
.side-nav { position: sticky; top: 110px; border-top: 2px solid var(--ink); }
.side-nav h2 { font-size: var(--step--1); letter-spacing: .14em; color: var(--muted); padding: 1rem 0 .8rem; font-weight: 600; }
.side-nav a { display: block; padding: .8rem .9rem; border-bottom: 1px solid var(--line); font-size: .9375rem; transition: background .3s var(--ease), color .3s var(--ease); }
.side-nav a:hover, .side-nav a.is-active { background: var(--ink); color: var(--white); }
.side-nav a .n { font-family: var(--font-num); color: var(--red); margin-right: .6rem; font-size: var(--step--1); }
.side-nav a:hover .n, .side-nav a.is-active .n { color: #E9A98C; }
.side-help { margin-top: 2rem; border: 1px solid var(--line); padding: 1.4rem; background: var(--white); }
.side-help h3 { font-size: var(--step-1); font-weight: 700; }
.side-help p { font-size: .875rem; color: var(--muted); margin: .5rem 0 1rem; }
.filter-bar { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2rem; }
.filter-bar button { border: 1px solid var(--line-2); padding: .5rem 1rem; font-size: .875rem; min-height: 42px; transition: all .3s var(--ease); }
.filter-bar button:hover { border-color: var(--ink); }
.filter-bar button[aria-pressed="true"] { background: var(--ink); color: var(--white); border-color: var(--ink); }

/* --- 特性列表 --- */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.feature-list li { background: var(--paper); padding: 1.6rem; }
.feature-list .fno { font-family: var(--font-num); color: var(--red); font-size: var(--step--1); letter-spacing: .16em; }
.feature-list p { margin-top: .7rem; line-height: 1.75; }

/* --- 案例 / 方案交错 --- */
/* 图文比例约 45:55：图栏收窄、图片锁 4:3，行高不再被图片原始比例牵着走 */
.case-row { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: clamp(1.8rem, 4.2vw, 4rem); align-items: center; padding-block: clamp(2rem, 4vw, 3.5rem); border-top: 1px solid var(--line); }
.case-row:first-child { border-top: 0; }
.case-row:nth-child(even) .case-visual { order: 2; }
.case-visual { border: 1px solid var(--line); background: var(--white); position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: center; }
.case-visual img { display: block; width: 100%; height: auto; object-fit: contain; background: var(--white); transition: transform .6s var(--ease); }
/* 角标统一放在图下方：系统图/剖面图的左上角常有图内标题，压上去会挡住 */
.case-visual .badge { align-self: flex-start; background: var(--red); color: var(--white); font-size: var(--step--1); padding: .5rem 1rem; letter-spacing: .08em; }
/* 竖版系统图（如末端计费 T8000 组网图）：整幅 contain，不按 4:3 裁切 */
.case-visual--portrait img { width: auto; max-width: 100%; max-height: clamp(340px, 46vw, 620px); aspect-ratio: auto; object-fit: contain; margin: 0 auto; }
.case-row .row-no { font-family: var(--font-num); font-size: var(--step--1); letter-spacing: .18em; color: var(--red); }
.case-row h2 { font-size: var(--step-3); line-height: 1.3; margin: .8rem 0 1rem; font-weight: 700; }
.case-row p { color: var(--ink-2); line-height: 1.85; }
.case-meta { display: flex; flex-wrap: wrap; gap: 1.5rem; margin: 1.5rem 0; padding-block: 1rem; border-block: 1px solid var(--line); font-size: var(--step--1); }
.case-meta dt { color: var(--muted); }
.case-meta dd { margin: .2rem 0 0; font-weight: 600; }

/* --- 工程案例卡片网格：图片带浅色相框，下方标题 / 摘要 / 了解更多 --- */
.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.6rem, 3vw, 2.6rem) clamp(1.2rem, 2.4vw, 2rem); }
.case-card { display: flex; flex-direction: column; background: var(--white); }
.case-frame { display: block; padding: 10px; background: var(--white); border: 2px solid #DCE5EE; transition: border-color .35s var(--ease), box-shadow .35s var(--ease); }
.case-frame__inner { display: block; overflow: hidden; }
.case-frame img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .6s var(--ease); }
.case-card__body { display: flex; flex-direction: column; flex: 1; padding: 1.15rem 2px 0; }
.case-card__eyebrow { font-size: var(--step--1); letter-spacing: .1em; color: var(--red); }
.case-card h3 { font-size: var(--step-1); line-height: 1.45; font-weight: 700; margin: .5rem 0 .6rem; }
.case-card h3 a { color: inherit; text-decoration: none; }
.case-card__desc { font-size: .875rem; line-height: 1.85; color: var(--ink-2); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.case-card__more { margin-top: auto; padding-top: 1.1rem; display: inline-flex; align-items: center; gap: .4rem; font-size: .8125rem; letter-spacing: .04em; color: var(--muted); text-decoration: none; transition: color .3s var(--ease); }
.case-card__more .arrow { transition: transform .3s var(--ease); }
.case-card:hover .case-frame { border-color: var(--line-2); box-shadow: 0 12px 30px rgba(28, 42, 51, .1); }
.case-card:hover h3 a, .case-card:hover .case-card__more { color: var(--red); }
.case-card:hover .case-card__more .arrow { transform: translateX(3px); }

/* 配图悬停时轻微推近：缩放幅度压小，裁在容器内，相框白边保持不变 */
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .case-card:hover .case-frame img,
  .case-card:focus-within .case-frame img { transform: scale(1.045); }
  .news-card:hover img,
  .news-card:focus-visible img { transform: scale(1.045); }
  .case-row:hover .case-visual img,
  .case-row:focus-within .case-visual img { transform: scale(1.045); }
  /* 竖版系统图整幅展开，放大即裁掉图内标注，故不参与推近 */
  .case-row--portrait .case-visual--portrait:hover img,
  .case-row--portrait .case-visual--portrait:focus-within img { transform: none; }
}

/* --- 方案步骤 --- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 2px solid var(--ink); }
.steps li { padding: 1.8rem 1.4rem 1.8rem 0; border-right: 1px solid var(--line); padding-right: 1.5rem; }
.steps li:last-child { border-right: 0; }
.steps .no { font-family: var(--font-num); font-size: 2rem; font-weight: 700; color: var(--red); line-height: 1; }
.steps h3 { font-size: var(--step-1); margin: 1rem 0 .6rem; font-weight: 700; }
.steps p { font-size: .9rem; color: var(--muted); line-height: 1.75; }

/* --- 新闻列表 --- */
.news-list > li { border-top: 1px solid var(--line); }
.news-list > li:last-child { border-bottom: 1px solid var(--line); }
.news-list a { display: grid; grid-template-columns: 9rem 5.5rem 1fr 2rem; gap: 1.5rem; align-items: baseline; padding: 1.5rem .5rem; transition: padding .35s var(--ease), background .35s var(--ease); }
.news-list a:hover { padding-left: 1.2rem; background: var(--white); }
.news-list .date { font-family: var(--font-num); font-variant-numeric: tabular-nums; letter-spacing: .06em; color: var(--muted); font-size: .9375rem; }
.news-list .cat { font-size: var(--step--1); color: var(--red); border: 1px solid var(--line-2); padding: .15rem .5rem; justify-self: start; }
.news-list h3 { font-size: var(--step-1); font-weight: 600; line-height: 1.5; }
.news-list .go { font-family: var(--font-num); color: var(--red); justify-self: end; }
.news-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.news-card { background: var(--paper); display: flex; flex-direction: column; transition: background .3s var(--ease); overflow: hidden; }
.news-card:hover { background: var(--white); }
.news-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-bottom: 1px solid var(--line); transition: transform .6s var(--ease); }
.news-card .b { padding: 1.3rem 1.4rem 1.6rem; }
.news-card .date { font-family: var(--font-num); font-size: var(--step--1); color: var(--muted); }
.news-card h3 { font-size: var(--step-1); font-weight: 700; margin: .6rem 0; line-height: 1.5; }
.news-card p { font-size: .875rem; color: var(--muted); line-height: 1.7; }

/* --- FAQ --- */
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary {
  display: flex; align-items: center; gap: 1.25rem; padding: 1.35rem .5rem;
  font-size: var(--step-1); font-weight: 600; cursor: pointer; list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary .qno { font-family: var(--font-num); font-size: var(--step--1); color: var(--red); letter-spacing: .1em; flex: 0 0 auto; }
.faq-list summary .sign { margin-left: auto; flex: 0 0 auto; width: 28px; height: 28px; border: 1px solid var(--line-2); position: relative; }
.faq-list summary .sign::before, .faq-list summary .sign::after { content: ""; position: absolute; background: var(--ink); }
.faq-list summary .sign::before { left: 7px; right: 7px; top: 13px; height: 2px; }
.faq-list summary .sign::after { top: 7px; bottom: 7px; left: 13px; width: 2px; transition: opacity .3s var(--ease); }
.faq-list details[open] summary .sign::after { opacity: 0; }
.faq-list details[open] summary { color: var(--red); }
.faq-list .a { padding: 0 3.5rem 1.6rem 3.2rem; color: var(--ink-2); line-height: 1.9; max-width: 88ch; }

/* --- 联系页：左「公司 / 联系方式 / 地图」+ 右「在线留言」卡片 --- */
.contact-intro { max-width: 88ch; color: var(--muted); font-size: .9375rem; line-height: 1.9; margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.contact-layout { display: grid; grid-template-columns: minmax(0, .42fr) minmax(0, .58fr); gap: clamp(1.4rem, 2.6vw, 2.4rem); align-items: stretch; }
.contact-left { display: flex; flex-direction: column; min-width: 0; }
.contact-right { min-width: 0; }
.company-card {
  background: var(--ink); color: var(--white); border-radius: 14px;
  padding: clamp(1.3rem, 2vw, 1.8rem) clamp(1.4rem, 2.2vw, 2rem);
}
.company-card h2 { font-size: clamp(1.1rem, 1.5vw, 1.35rem); font-weight: 600; line-height: 1.4; }
.company-card p { font-family: var(--font-num); font-size: .78rem; letter-spacing: .05em; opacity: .72; margin-top: .55rem; line-height: 1.6; }
.contact-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .9rem; margin-top: 1rem; }
.contact-cards li {
  display: flex; align-items: center; gap: .85rem; min-width: 0;
  background: var(--white); border: 1px solid var(--line); border-radius: 12px;
  padding: 1rem; box-shadow: 0 2px 12px rgba(28,42,51,.04);
}
.contact-icon {
  flex: 0 0 auto; width: 42px; height: 42px; border-radius: 10px;
  background: var(--red); color: var(--white); display: grid; place-items: center;
}
.contact-icon svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.contact-card-body { min-width: 0; }
.contact-cards .lbl { font-size: .78rem; color: var(--muted); }
.contact-cards .val { font-family: var(--font-num); font-size: .95rem; font-weight: 700; line-height: 1.45; margin-top: .2rem; word-break: break-word; }
.contact-cards .val a { color: inherit; text-decoration: none; }
.contact-cards .val a:hover, .contact-cards .val a:focus-visible { color: var(--red); }
.contact-cards .note { font-size: .72rem; color: var(--muted); margin-top: .2rem; }
.contact-left .map-placeholder {
  margin-top: 1rem; border-radius: 12px; min-height: 230px; flex: 1 1 auto;
  justify-content: flex-end; align-items: flex-start; text-align: left; padding: 1.1rem; gap: 0;
}

.inquiry-card {
  background: var(--white); border: 1px solid var(--line); border-radius: 16px;
  padding: clamp(1.5rem, 3vw, 2.5rem); box-shadow: 0 4px 24px rgba(28,42,51,.05);
}
.inquiry-card h2 { font-size: clamp(1.4rem, 2vw, 1.75rem); font-weight: 600; }
.inquiry-lead { color: var(--muted); font-size: .9375rem; line-height: 1.8; margin: .6rem 0 2rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.15rem 1.25rem; }
.field { display: flex; flex-direction: column; gap: .5rem; min-width: 0; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: .875rem; font-weight: 600; }
.field label .req { color: var(--red); margin-left: .25rem; }
.field input, .field textarea, .field select {
  width: 100%; background: var(--soft); border: 1px solid var(--line);
  padding: .85rem 1rem; min-height: 48px; border-radius: 10px;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.field input::placeholder, .field textarea::placeholder { color: #98A1A9; }
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--red); box-shadow: 0 0 0 3px color-mix(in srgb, var(--red) 14%, transparent); outline: none; }
.field .hint { font-size: var(--step--1); color: var(--muted); }
.form-actions { margin-top: .25rem; }
.btn--block { width: 100%; justify-content: center; min-height: 54px; }
.form-note { font-size: var(--step--1); color: var(--muted); margin-top: 1.2rem; line-height: 1.8; }
.form-status { margin-top: 1.2rem; padding: 1rem 1.2rem; border-left: 3px solid var(--red); background: var(--white); font-size: .9375rem; }
.form-status[hidden] { display: none; }
.map-placeholder {
  border: 1px solid var(--line); background: var(--soft); min-height: 260px;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  gap: .8rem; text-align: center; padding: 2rem; position: relative; overflow: hidden;
}
.map-placeholder::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(to right, var(--line-2) 1px, transparent 1px), linear-gradient(to bottom, var(--line-2) 1px, transparent 1px);
  background-size: 42px 42px; opacity: .5;
}
.map-placeholder > * { position: relative; z-index: 1; }
.map-placeholder .pin { width: 34px; height: 34px; border: 3px solid var(--red); border-radius: 50% 50% 50% 0; transform: rotate(-45deg); }
.map-placeholder strong { font-size: var(--step-1); }

/* 联系页：自绘街道示意图 + 地址信息卡（零第三方依赖，可直接换成真实地图） */
.contact-left .map-placeholder::before { display: none; }
.contact-left .map-placeholder > .map-art { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.contact-left .map-schema {
  position: absolute; top: .9rem; right: 1rem; z-index: 1;
  font-size: .7rem; color: var(--muted); letter-spacing: .06em;
  background: rgba(255,255,255,.88); border-radius: 4px; padding: .25rem .55rem;
}
.contact-left .map-info {
  position: relative; z-index: 1; display: flex; flex-direction: column; gap: .35rem;
  max-width: 92%; background: rgba(255,255,255,.95); border: 1px solid var(--line);
  border-radius: 10px; padding: .9rem 1.1rem; box-shadow: 0 4px 20px rgba(28,42,51,.08);
}
.contact-left .map-badge { font-size: .72rem; font-weight: 600; letter-spacing: .1em; color: var(--red); }
.contact-left .map-info strong { font-size: 1rem; line-height: 1.5; }
.contact-left .map-info .muted { font-size: .8125rem; }
.contact-left .map-info .map-tip { font-size: .72rem; opacity: .85; }

/* --- CTA 条 --- */
.cta-band { background: var(--ink); color: var(--paper); }
.cta-band .wrap { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding-block: clamp(2rem, 4vw, 3.5rem); }
.cta-band h2 { font-size: var(--step-3); line-height: 1.3; font-weight: 700; }
.cta-band p { color: #B9C3C9; margin-top: .6rem; }
.cta-band .btn { background: var(--red); border-color: var(--red); flex: 0 0 auto; }
.cta-band .btn:hover { background: var(--white); color: var(--ink); border-color: var(--white); }

/* --- Why 三列 --- */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 3vw, 3rem); }
.why-grid li { border-top: 2px solid var(--red); padding-top: 1.4rem; }
.why-grid h3 { font-size: var(--step-2); font-weight: 700; }
.why-grid p { color: var(--muted); margin-top: .6rem; }

/* --- Footer --- */
.site-footer { background: var(--ink); color: var(--paper); }
.footer-top { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr) minmax(0, .9fr); gap: clamp(2rem, 5vw, 5rem); padding-block: clamp(3rem, 6vw, 5rem); }
.footer-brand .brand-en { font-family: var(--font-num); font-size: 2.6rem; font-weight: 700; letter-spacing: .18em; color: var(--white); }
/* 页脚深色底：使用白色版 logo（logo-light.png，镂空 NOYS 字母透出深底） */
.footer-brand .footer-logo { display: inline-block; margin-bottom: .4rem; }
.footer-brand .footer-logo img { width: 120px; height: auto; display: block; }
.footer-brand p { color: #B9C3C9; margin-top: 1rem; max-width: 40ch; font-size: .9375rem; line-height: 1.85; }
.footer-col h2 { font-size: var(--step--1); letter-spacing: .16em; color: #E9A98C; margin-bottom: 1.3rem; font-weight: 600; }
.footer-col li { margin-bottom: .7rem; font-size: .9375rem; color: #C6CFD4; }
.footer-col a:hover { color: var(--white); text-decoration: underline; }
.footer-col .big { font-family: var(--font-num); font-size: var(--step-2); color: var(--white); font-weight: 700; letter-spacing: .04em; }
.footer-bottom { border-top: 1px solid #35454E; padding-block: 1.4rem; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; font-size: var(--step--1); color: #93A0A8; }
.footer-bottom a:hover { color: var(--white); }

/* --- HTML 站点地图 --- */
.sitemap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
.sitemap-grid h2 { font-size: var(--step-1); border-bottom: 2px solid var(--ink); padding-bottom: .7rem; margin-bottom: .8rem; }
.sitemap-grid li { border-bottom: 1px solid var(--line); }
.sitemap-grid a { display: block; padding: .55rem 0; font-size: .9375rem; color: var(--ink-2); }
.sitemap-grid a:hover { color: var(--red); }

/* --- 入场动效：默认内容可见，JS 加 class 后才启用，不依赖 JS 也能读 --- */
.js-reveal .reveal { opacity: 0; transform: translateY(18px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js-reveal .reveal.in { opacity: 1; transform: none; }

/* --- 响应式 --- */
@media (max-width: 1100px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .main-nav ul { gap: 1rem; }
  .header-cta { display: none; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps li:nth-child(2) { border-right: 0; }
}
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: #000; border-bottom: 1px solid #262626;
    max-height: 0; overflow: hidden; transition: max-height .45s var(--ease);
  }
  .main-nav.is-open { max-height: 100dvh; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: .5rem var(--gutter) 1.5rem; }
  .main-nav a { padding: .95rem 0; border-bottom: 1px solid #262626; font-size: 1.0625rem; }
  .main-nav a::after { display: none; }
  .hero .wrap, .cap-layout, .split, .detail, .case-row, .list-layout, .contact-layout, .detail-body { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .hero-index { display: none; }
  .cap-layout .sticky, .side-nav { position: static; }
  .prod-grid, .news-card-grid, .feature-list { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sitemap-grid { grid-template-columns: repeat(2, 1fr); }
  .case-row:nth-child(even) .case-visual { order: 0; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .news-list a { grid-template-columns: 7rem 1fr 1.5rem; gap: 1rem; }
  .news-list .cat { display: none; }
  .slider-track { height: clamp(420px, 78vw, 520px); }
  /* 上方留白保证文案对比度，下方渐隐让产品展台仍可见 */
  .slide-shade { background: linear-gradient(180deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.78) 42%, rgba(255,255,255,.06) 82%); }
  .slide { align-items: flex-start; }
  .slide-copy { max-width: 100%; padding-top: clamp(2.5rem, 8vw, 4rem); padding-bottom: 1.5rem; transform: none; }
  .slider-ui { bottom: 1.2rem; }
  /* 手机靠触摸滑动与点指示器，箭头/播放控件隐藏，避免挤占底部 */
  .slider-controls { display: none; }
}
@media (max-width: 620px) {
  .topbar .wrap { font-size: .75rem; }
  .topbar .hide-sm { display: none; }
  .section-head { flex-direction: column; align-items: flex-start; gap: .75rem; }
  .prod-grid, .news-card-grid, .feature-list, .why-grid, .form-grid, .steps, .sitemap-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  /* 小屏单列，避免邮箱 / 地址被挤成断行 */
  .contact-cards { grid-template-columns: 1fr; gap: .7rem; }
  .contact-cards li { padding: .9rem 1rem; gap: .85rem; }
  .contact-icon { width: 38px; height: 38px; border-radius: 9px; }
  .contact-icon svg { width: 18px; height: 18px; }
  .contact-cards .val { font-size: .95rem; }
  .inquiry-card { padding: 1.3rem 1.1rem; }
  .cat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
  .cat-visual { aspect-ratio: 1 / 1; }
  .cat-label { min-height: 46px; padding: .6rem .4rem; font-size: .875rem; letter-spacing: 0; }
  .cat-no, .cat-arrow { display: none; }
  .steps li { border-right: 0; border-bottom: 1px solid var(--line); }
  .footer-top { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .cta-band .wrap { flex-direction: column; align-items: flex-start; }
  .hero h1 { font-size: clamp(2.5rem, 11vw, 3.6rem); }
  .news-list a { grid-template-columns: 1fr 1.5rem; }
  .news-list .date { grid-column: 1 / -1; }
  .faq-list .a { padding-left: 0; padding-right: 0; }
  .form-grid .field--full { grid-column: auto; }
  .slider-track { height: 460px; }
  .slide-eyebrow { font-size: .8125rem; gap: .65rem; }
  .slide-eyebrow .rule { width: 30px; }
  .slide-eyebrow .rule--long { display: none; }
  .slide-title { font-size: clamp(1.9rem, 8.5vw, 2.7rem); margin: 1rem 0 .85rem; }
  .slide-sub { font-size: .8125rem; line-height: 1.75; letter-spacing: .02em; }
  .slide-sub .sep { margin-inline: .35rem; }
  .slider-ui { bottom: .9rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .js-reveal .reveal { opacity: 1; transform: none; }
}
@media print {
  .site-header, .topbar, .cta-band, .hero-actions, .detail-actions, .main-nav { display: none !important; }
  body { background: #fff; }
}

/* --- 新闻资讯页：左侧栏 + 卡片式列表（参考版式，ID 作用域不影响首页 .news-list） --- */
.news-layout { display: grid; grid-template-columns: minmax(0, 19rem) minmax(0, 1fr); gap: clamp(1.5rem, 3vw, 2.5rem); align-items: start; }
.side-card { border: 1px solid var(--line); background: var(--white); }
.side-card + .side-card { margin-top: 1.5rem; }
.side-card-head { background: #000; color: var(--white); padding: 1.15rem 1.3rem; }
.side-card-head h2 { font-size: 1.05rem; font-weight: 600; letter-spacing: .1em; }
.side-card-head span { display: block; font-family: var(--font-num); font-size: .68rem; letter-spacing: .32em; color: rgba(255,255,255,.5); margin-top: .35rem; }
.side-cat { list-style: none; }
.side-cat li { border-bottom: 1px solid var(--line); }
.side-cat li:last-child { border-bottom: 0; }
.side-cat button { width: 100%; display: flex; align-items: center; gap: .6rem; padding: 1rem 1.3rem; border: 0; background: transparent; font-size: .9375rem; color: var(--ink); cursor: pointer; transition: background .3s var(--ease), color .3s var(--ease); }
.side-cat button:hover { background: var(--soft); }
.side-cat button[aria-pressed="true"] { background: var(--soft); color: var(--red); font-weight: 600; }
.side-cat .n { margin-left: auto; font-family: var(--font-num); font-size: .78rem; color: var(--muted); }
.side-cat .arrow { color: var(--red); }
.pop-list { list-style: none; counter-reset: pop; }
.pop-list li { border-bottom: 1px solid var(--line); }
.pop-list li:last-child { border-bottom: 0; }
.pop-list a { display: flex; gap: .7rem; padding: .95rem 1.3rem; font-size: .875rem; line-height: 1.65; color: var(--ink-2); transition: background .3s var(--ease); }
.pop-list a:hover { background: var(--soft); color: var(--red); }
.pop-list .no { font-family: var(--font-num); font-weight: 700; color: var(--red); flex: 0 0 auto; }
#news-list { display: flex; flex-direction: column; gap: 1.1rem; }
#news-list > li { border: 1px solid var(--line); background: var(--white); transition: box-shadow .3s var(--ease), transform .3s var(--ease); }
#news-list > li:hover { box-shadow: 0 10px 28px rgba(28,42,51,.12); transform: translateY(-2px); }
#news-list a.news-row { display: grid; grid-template-columns: 5.2rem minmax(0, 1fr) 10.5rem; gap: 1.4rem; padding: 1.4rem 1.5rem; align-items: center; }
#news-list .nr-date .d { font-family: var(--font-num); font-size: 2.5rem; font-weight: 700; color: var(--ink); line-height: 1; display: block; }
#news-list .nr-date .ym { display: block; font-family: var(--font-num); font-size: .78rem; letter-spacing: .1em; color: var(--muted); margin-top: .45rem; }
#news-list .nr-meta { display: flex; gap: .6rem; margin-bottom: .55rem; }
#news-list .nr-cat { font-size: .75rem; color: var(--red); border: 1px solid currentColor; padding: .12rem .6rem; letter-spacing: .06em; }
#news-list .news-row h3 { font-size: 1.09375rem; font-weight: 600; line-height: 1.5; }
#news-list .news-row p { margin-top: .5rem; color: var(--muted); font-size: .9rem; line-height: 1.75; }
#news-list .nr-thumb img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border: 1px solid var(--line); display: block; }
@media (max-width: 900px) {
  .news-layout { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  #news-list a.news-row { grid-template-columns: 3.6rem minmax(0, 1fr); padding: 1.1rem 1.1rem; }
  #news-list .nr-thumb { display: none; }
  #news-list .nr-date .d { font-size: 1.9rem; }
}

/* ---------- 右侧浮动客服条 ---------- */
.svc-bar { position: fixed; right: 1.1rem; top: 50%; transform: translateY(-50%); z-index: 40; }
.svc-bar__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .65rem; }
.svc-bar__list > li { position: relative; }
.svc-btn { display: grid; place-items: center; width: 48px; height: 48px; padding: 0; border: 1px solid #E1E8F0; border-radius: 13px; background: #fff; color: #2A6BE0; box-shadow: 0 4px 14px rgba(20, 40, 60, .10); text-decoration: none; cursor: pointer; transition: transform .22s var(--ease), box-shadow .22s var(--ease); }
.svc-btn svg { width: 23px; height: 23px; display: block; }
.svc-btn:hover, .svc-btn:focus-visible { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(20, 40, 60, .17); }
.svc-btn:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }
.svc-btn--wechat { background: #07C160; border-color: #07C160; color: #fff; }
.svc-btn--chat { background: #12A9F5; border-color: #12A9F5; color: #fff; }
.svc-tip { position: absolute; right: calc(100% + .65rem); top: 50%; transform: translate(6px, -50%); white-space: nowrap; padding: .42rem .72rem; border-radius: 6px; background: #1C2A33; color: #fff; font-size: .78rem; line-height: 1.4; box-shadow: 0 4px 12px rgba(15, 28, 38, .2); opacity: 0; pointer-events: none; transition: opacity .2s var(--ease), transform .2s var(--ease); }
.svc-tip::after { content: ''; position: absolute; left: 100%; top: 50%; transform: translateY(-50%); border: 5px solid transparent; border-left-color: #1C2A33; }
.svc-bar__list > li:hover .svc-tip, .svc-bar__list > li:focus-within .svc-tip { opacity: 1; transform: translate(0, -50%); }

/* 微信咨询弹窗（居中） */
.svc-modal { position: fixed; inset: 0; z-index: 120; display: grid; place-items: center; padding: 1.2rem; }
.svc-modal[hidden] { display: none; }
.svc-modal__backdrop { position: absolute; inset: 0; background: rgba(15, 28, 38, .55); }
.svc-modal__box { position: relative; width: min(92vw, 380px); padding: 2rem 1.8rem 1.7rem; border-radius: 16px; background: #fff; box-shadow: 0 24px 60px rgba(10, 25, 40, .26); text-align: center; }
.svc-modal__x { position: absolute; top: .65rem; right: .75rem; width: 34px; height: 34px; border: 0; background: transparent; color: var(--muted); font-size: 1.5rem; line-height: 1; cursor: pointer; border-radius: 8px; }
.svc-modal__x:hover, .svc-modal__x:focus-visible { background: var(--soft); color: var(--ink); }
.svc-modal__x:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }
.svc-modal__box h2 { margin: 0 0 .55rem; font-size: 1.35rem; font-weight: 700; color: var(--ink); }
.svc-modal__lead { margin: 0 auto 1.2rem; max-width: 20rem; font-size: .875rem; line-height: 1.75; color: var(--muted); }
.svc-qr { display: block; width: 180px; height: 180px; margin: 0 auto 1rem; padding: .4rem; border: 1px solid var(--line); border-radius: 10px; background: #fff; object-fit: contain; }
.svc-wxid { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: .55rem; margin: 0 auto 1rem; }
.svc-wxid span { font-size: .82rem; color: var(--muted); }
.svc-wxid code { font-family: var(--font-num); font-size: 1rem; color: var(--ink); background: var(--soft); padding: .3rem .6rem; border-radius: 6px; }
.svc-wxid .btn { min-height: 32px; padding: .3rem .75rem; font-size: .78rem; }
.svc-modal__hours { margin: .2rem 0 .8rem; font-size: .8rem; color: var(--muted); }
.svc-modal__alt { margin: 1rem 0 0; padding-top: 1rem; border-top: 1px solid var(--line); font-size: .82rem; line-height: 1.8; color: var(--muted); }
.svc-modal__alt a { color: var(--red); text-decoration: underline; text-underline-offset: 2px; }

@media (max-width: 620px) {
  .svc-bar { right: .55rem; }
  .svc-bar__list { gap: .5rem; }
  .svc-btn { width: 42px; height: 42px; border-radius: 11px; }
  .svc-btn svg { width: 20px; height: 20px; }
  .svc-tip { display: none; }
}
@media print { .svc-bar, .svc-modal { display: none !important; } }
@media (prefers-reduced-motion: reduce) { .svc-btn, .svc-tip { transition: none; } }

/* ============================================================
   关于诺益斯 · 荣誉资质 / 服务承诺 / 企业文化 / 资料下载
   ============================================================ */
.about-note { margin-top: 1.8rem; max-width: 72ch; font-size: var(--step--1); line-height: 1.9; color: var(--muted); }

/* --- 荣誉资质证书墙 --- */
.honor-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(1rem, 2vw, 1.6rem); }
.honor-card { display: flex; flex-direction: column; height: 100%; border: 1px solid var(--line); background: #fff; transition: border-color .3s var(--ease), transform .3s var(--ease), box-shadow .3s var(--ease); }
a.honor-card:hover { border-color: var(--red); transform: translateY(-4px); box-shadow: 0 14px 34px rgba(28, 42, 51, .1); }
.honor-thumb { display: grid; place-items: center; aspect-ratio: 3 / 4; overflow: hidden; background: var(--soft); border-bottom: 1px solid var(--line); }
.honor-thumb img { width: 100%; height: 100%; object-fit: contain; padding: .6rem; background: #fff; }
.honor-thumb__doc { font-family: var(--font-num); font-size: 1.5rem; letter-spacing: .12em; color: var(--muted); }
.honor-thumb--empty { background: linear-gradient(150deg, #fff, var(--soft)); }
.honor-thumb__seal { display: grid; place-items: center; width: 74px; height: 74px; border: 2px solid var(--line-2); border-radius: 50%; font-family: var(--font-num); letter-spacing: .12em; font-size: .9rem; color: var(--line-2); }
.honor-card__body { display: flex; flex-direction: column; gap: .35rem; padding: 1rem 1.05rem 1.15rem; }
.honor-card__name { font-size: .95rem; font-weight: 700; line-height: 1.5; color: var(--ink); }
.honor-card__meta { font-size: .78rem; line-height: 1.6; color: var(--muted); }

/* --- 首页信任区：公司简介 + 横向资质证书带 --- */
/* 证书带下沿单独收紧，避免与下方板块的 padding 叠加出大块空白 */
#trust.trust { padding-bottom: clamp(1.75rem, 3vw, 3rem); }
.trust-top { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.25rem, 2.5vw, 2rem); align-items: start; }
.trust-intro h2 { font-size: var(--step-2); margin: .6rem 0 1rem; line-height: 1.25; }
.trust-intro p { color: var(--muted); line-height: 1.8; margin: 0 0 .9rem; }
.trust-intro p:last-of-type { margin-bottom: 0; }
.trust-stats { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 0; padding: 0; }
.trust-stat { border: 1px solid var(--line); border-radius: 10px; padding: .95rem 1.1rem; background: #fff; }
.trust-stat__num { display: block; font-family: var(--font-num); font-size: 1.6rem; font-weight: 700; color: var(--ink); line-height: 1.1; }
.trust-stat__num small { font-size: .8rem; font-weight: 500; color: var(--muted); margin-left: .25rem; }
.trust-stat__label { display: block; margin-top: .35rem; font-size: .82rem; color: var(--muted); }
.trust-top--solo { grid-template-columns: 1fr; }
.trust-media { margin: 0; align-self: stretch; overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.trust-media__el { display: block; width: 100%; height: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: 72% center; }
.trust-media__el[src$=".mp4"], video.trust-media__el { aspect-ratio: 16 / 9; }
.trust-media video.trust-media__el { object-fit: cover; }
.trust-cred { margin-top: clamp(1.8rem, 4vw, 3rem); }
.trust-cred__head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 1rem; }
.trust-cred__head > span:first-child { font-weight: 700; color: var(--ink); letter-spacing: .02em; }
/* 折叠式证书叠放：两排，每排每张露出一半，hover 展开 */
.honor-stacks { display: grid; gap: clamp(1rem, 2vw, 1.6rem); margin-top: .5rem; }
.honor-stack { --cell-w: calc(100% * 2 / (var(--n, 9) + 1)); list-style: none; display: flex; align-items: flex-start; margin: 0; padding: .5rem 0 1rem; }
.honor-stack .honor-cell { flex: 0 0 var(--cell-w); width: var(--cell-w); position: relative; margin-left: calc(var(--cell-w) / -2); transition: transform .35s var(--ease); }
.honor-stack .honor-cell:first-child { margin-left: 0; }
.honor-stack .honor-cell .honor-card { height: 100%; border-radius: 6px; box-shadow: 0 6px 18px rgba(28, 42, 51, .13); }
.honor-stack .honor-cell:hover { z-index: 20; transform: translateY(-10px) scale(1.04); }
.honor-stack .honor-cell:hover .honor-card { border-color: var(--red); box-shadow: 0 18px 40px rgba(28, 42, 51, .26); }
.honor-stack .honor-card .honor-thumb { aspect-ratio: 3 / 4; }
@media (max-width: 900px) {
  .honor-stack { --cell-w: 128px; overflow-x: auto; padding-bottom: 1.2rem; scroll-snap-type: x proximity; }
  .honor-stack .honor-cell { scroll-snap-align: start; }
}
@media (max-width: 620px) {
  .honor-stack { --cell-w: 112px; }
}
@media (max-width: 900px) {
  .trust-top { grid-template-columns: 1fr; }
  .trust-intro p { max-width: none; }
  .trust-media__el { aspect-ratio: 16 / 9; }
}

/* --- 服务承诺 --- */
.commit-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(1.2rem, 2.5vw, 2.4rem); }
.commit-card { border-top: 2px solid var(--red); padding-top: 1.4rem; }
.commit-card__no { font-family: var(--font-num); font-size: 1.6rem; font-weight: 700; color: var(--red); line-height: 1; }
.commit-card h3 { margin: 1.1rem 0 .6rem; font-size: var(--step-1); font-weight: 700; }
.commit-card p { font-size: .9rem; line-height: 1.85; color: var(--muted); }

/* --- 企业文化 --- */
.culture { background: var(--ink); color: var(--paper); }
.culture .eyebrow { color: #FF9A88; }
.culture-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.culture-lead h2 { margin: 1.2rem 0; font-size: var(--step-3); line-height: 1.3; }
.culture-lead p { font-size: .95rem; line-height: 1.9; color: rgba(255, 255, 255, .72); }
.culture-list { border-top: 1px solid rgba(255, 255, 255, .18); }
.culture-list li { display: grid; grid-template-columns: 150px minmax(0, 1fr); column-gap: 1.5rem; padding: 1.5rem 0; border-bottom: 1px solid rgba(255, 255, 255, .18); }
.culture-list__label { grid-column: 1; grid-row: 1 / span 2; font-family: var(--font-num); font-size: var(--step--1); letter-spacing: .1em; color: #FF9A88; padding-top: .3rem; }
.culture-list h3 { grid-column: 2; grid-row: 1; font-size: var(--step-1); font-weight: 700; margin-bottom: .4rem; }
.culture-list p { grid-column: 2; grid-row: 2; }
.culture-list p { font-size: .9rem; line-height: 1.85; color: rgba(255, 255, 255, .72); }

/* --- 资料下载 --- */
.dl-list { border-top: 2px solid var(--ink); }
.dl-row { display: grid; grid-template-columns: 62px minmax(0, 1fr) auto; gap: 1.2rem; align-items: center; padding: 1.15rem .4rem; border-bottom: 1px solid var(--line); }
.dl-row__ext { display: grid; place-items: center; height: 42px; border: 1px solid var(--line-2); font-family: var(--font-num); font-size: .72rem; letter-spacing: .06em; color: var(--muted); }
.dl-row__main { display: flex; flex-direction: column; gap: .25rem; min-width: 0; }
.dl-row__title { font-weight: 700; font-size: .98rem; }
.dl-row__meta { font-size: .8rem; color: var(--muted); }
.dl-row__btn { display: inline-flex; align-items: center; gap: .4rem; padding: .5rem 1.1rem; border: 1px solid var(--ink); font-size: .85rem; font-weight: 600; white-space: nowrap; transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease); }
.dl-row__btn:hover { background: var(--ink); color: #fff; }
.dl-row__btn--ghost { border-color: var(--line-2); color: var(--muted); }
.dl-row__btn--ghost:hover { background: var(--red); border-color: var(--red); color: #fff; }
.dl-cats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.dl-cats a { display: flex; flex-direction: column; gap: .35rem; height: 100%; padding: 1.4rem 1.3rem; border: 1px solid var(--line); background: var(--paper-2); transition: background .25s var(--ease), border-color .25s var(--ease); }
.dl-cats a:hover { border-color: var(--red); background: #fff; }
.dl-cat__icon { font-family: var(--font-num); font-size: 1.25rem; color: var(--red); }
.dl-cat__name { font-weight: 700; font-size: .95rem; }
.dl-cat__hint { font-size: .78rem; color: var(--muted); }

/* --- 证书灯箱（居中模态） --- */
.lightbox { position: fixed; inset: 0; z-index: 130; display: grid; place-items: center; padding: 1.2rem; }
.lightbox[hidden] { display: none; }
.lightbox__backdrop { position: absolute; inset: 0; background: rgba(15, 28, 38, .72); }
.lightbox__box { position: relative; width: min(94vw, 940px); max-height: 92vh; overflow: auto; background: #fff; border-radius: 14px; box-shadow: 0 28px 80px rgba(5, 18, 28, .4); }
.lightbox__x { position: absolute; top: .6rem; right: .7rem; z-index: 2; width: 38px; height: 38px; border-radius: 9px; background: rgba(255, 255, 255, .92); color: var(--ink); font-size: 1.6rem; line-height: 1; }
.lightbox__x:hover, .lightbox__x:focus-visible { background: var(--soft); }
.lightbox__stage { display: grid; place-items: center; min-height: 260px; padding: 1.6rem; background: var(--soft); }
.lightbox__stage img { max-height: 62vh; max-width: 100%; width: auto; object-fit: contain; box-shadow: 0 8px 28px rgba(28, 42, 51, .16); }
.lightbox__info { padding: 1.2rem 1.6rem .4rem; }
.lightbox__info h3 { font-size: var(--step-1); }
.lightbox__info p { margin-top: .3rem; font-size: .85rem; color: var(--muted); }
.lightbox__info a { display: inline-block; margin-top: .6rem; font-size: .85rem; color: var(--red); text-decoration: underline; text-underline-offset: 3px; }
.lightbox__nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.6rem 1.4rem; font-size: .85rem; }
.lightbox__nav button { padding: .45rem .9rem; border: 1px solid var(--line-2); border-radius: 6px; }
.lightbox__nav button:hover, .lightbox__nav button:focus-visible { border-color: var(--red); color: var(--red); }
.lightbox__nav span { font-family: var(--font-num); color: var(--muted); }

@media (max-width: 1100px) {
  .honor-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .commit-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .culture-grid { grid-template-columns: 1fr; }
  .culture-list li { grid-template-columns: 130px minmax(0, 1fr); }
  .dl-cats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .honor-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .8rem; }
  .honor-card__body { padding: .8rem .8rem .9rem; }
  .commit-grid { grid-template-columns: 1fr; gap: 1.6rem; }
  .culture-list li { grid-template-columns: 1fr; gap: .35rem; }
  .culture-list__label, .culture-list h3, .culture-list p { grid-column: 1; grid-row: auto; }
  .dl-cats { grid-template-columns: 1fr; }
  .dl-row { grid-template-columns: 46px minmax(0, 1fr); gap: .8rem; }
  .dl-row__btn { grid-column: 2; justify-self: start; }
  .lightbox { padding: .6rem; }
  .lightbox__stage { padding: .8rem; min-height: 180px; }
  .lightbox__info { padding: 1rem 1.1rem .2rem; }
  .lightbox__nav { padding: .8rem 1.1rem 1.1rem; }
}
@media print { .lightbox { display: none !important; } }
@media (prefers-reduced-motion: reduce) { .honor-card, .dl-row__btn, .dl-cats a { transition: none; } }

/* ---------- 关于页锚点导航 ---------- */
.anchor-nav { position: sticky; top: 0; z-index: 40; background: var(--white); border-bottom: 1px solid var(--line); box-shadow: 0 1px 0 rgba(0, 0, 0, .02); }
.anchor-nav__inner { display: flex; gap: .35rem; padding: .7rem 0; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.anchor-nav__inner::-webkit-scrollbar { display: none; }
.anchor-nav a { white-space: nowrap; padding: .5rem 1.05rem; border-radius: 999px; font-size: .95rem; font-weight: 600; color: var(--ink-2); text-decoration: none; transition: background .15s, color .15s; }
.anchor-nav a:hover { color: var(--red); background: rgba(168, 58, 40, .06); }
.anchor-nav a.is-active { color: var(--white); background: var(--red); }
#profile, #honors, #commitments, #culture, #downloads { scroll-margin-top: 70px; }
@media (max-width: 620px) {
  .anchor-nav a { padding: .45rem .85rem; font-size: .875rem; }
  #profile, #honors, #commitments, #culture, #downloads { scroll-margin-top: 60px; }
}


/* ============================================================
   2026-11-13 · 移动端体验优化（Impeccable 复盘 P0 / P1 / P2）
   断点收敛：1100（大屏微调）/ 900（平板 + 手机）/ 620（小屏手机）
   ≤900 的规则集中在本段，优先级高于前文同特异性规则
   ============================================================ */

/* 底部客服条的文字标签：桌面隐藏，移动端显示 */
.svc-label { display: none; }
/* 分类网格末尾的「查看全部」独立成行，不再占用卡片格 */
.cat-all { margin-top: clamp(1.4rem, 3vw, 2.2rem); text-align: center; }
.honor-hint { display: none; }

@media (max-width: 900px) {
  /* --- P0-1 右侧漂浮客服条 → 底部固定单条三按钮（不遮挡标题 / 正文 / 导航） --- */
  .svc-bar {
    position: fixed; left: 0; right: 0; bottom: 0; top: auto;
    transform: none; z-index: 40;
    background: var(--white);
    border-top: 1px solid var(--line);
    box-shadow: 0 -6px 22px rgba(20, 40, 60, .12);
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }
  .svc-bar__list { flex-direction: row; gap: 0; }
  .svc-bar__list > li { flex: 1 1 0; min-width: 0; }
  /* 按方案保留「电话 / 微信 / 回顶」三个；在线咨询与邮件收进微信弹窗与页脚 */
  .svc-bar__list > li.svc-item--chat,
  .svc-bar__list > li.svc-item--mail { display: none; }
  .svc-item--tel { order: 1; }
  .svc-item--wechat { order: 2; }
  .svc-item--top { order: 3; }
  .svc-btn {
    width: 100%; height: auto; min-height: 56px;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .3rem;
    padding: .55rem .25rem; border: 0; border-radius: 0;
    background: transparent; color: var(--ink); box-shadow: none;
  }
  .svc-bar__list > li + li .svc-btn { border-left: 1px solid var(--line); }
  .svc-btn svg { width: 21px; height: 21px; }
  .svc-btn--wechat, .svc-btn--chat { background: transparent; color: var(--red); }
  .svc-btn:hover, .svc-btn:focus-visible { transform: none; box-shadow: none; background: var(--paper-2); }
  .svc-label { display: block; font-size: .8125rem; font-weight: 600; line-height: 1.2; white-space: nowrap; color: var(--ink); }
  .svc-tip { display: none; }
  /* 底部占位：保证页脚最后一行能完整滚出 */
  body { padding-bottom: calc(56px + env(safe-area-inset-bottom, 0px)); }
  /* 导航展开时收起底部条，黑底菜单完整可读 */
  body.nav-open .svc-bar { display: none; }

  /* --- P1-4 内页 banner 压到两行内，把首屏让给内容 --- */
  .page-hero .wrap { padding-block: 1.6rem 1.85rem; }
  .page-hero h1 { font-size: clamp(1.65rem, 6vw, 2.2rem); margin: .6rem 0 .55rem; }
  .page-hero .lead {
    font-size: .9375rem; line-height: 1.65;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  }
  .page-hero .ghost-no { display: none; }

  /* --- P1-3 桌面竖排侧栏 → 单行横滑 chips --- */
  .side-nav {
    display: flex; flex-wrap: nowrap; gap: .5rem;
    overflow-x: auto; padding: 0 0 .7rem;
    border-top: 0; border-bottom: 1px solid var(--line);
    scrollbar-width: none; -webkit-overflow-scrolling: touch;
  }
  .side-nav::-webkit-scrollbar { display: none; }
  .side-nav h2, .side-help { display: none; }
  .side-nav a {
    flex: 0 0 auto; white-space: nowrap;
    border: 1px solid var(--line-2); border-radius: 999px;
    padding: 0 1rem; min-height: 44px;
    display: inline-flex; align-items: center; gap: .35rem;
    font-size: .9375rem; background: var(--white);
  }
  .side-nav a.is-active { background: var(--red); border-color: var(--red); color: var(--white); }
  .side-nav a.is-active .n { color: #fff; }
  .side-nav a .n { margin-right: 0; }
  /* 筛选按钮与侧栏 chips 功能重复，移动端只保留一条（隐藏的按钮仍由 JS 驱动筛选） */
  .filter-bar { display: none; }

  /* --- P1-1 触控目标 ≥44px（WCAG 2.5.5） --- */
  .crumbs a, .footer-col a, .footer-bottom a, .contact-cards .val a,
  .case-card__more, .prod-card .more, .side-cat button,
  .pop-list a, .anchor-nav a, .dl-row__btn, .lightbox__nav button {
    display: inline-flex; align-items: center; min-height: 44px;
  }
  /* 行内文字链用伪元素扩大热区，避免 min-height 把下划线推离文字 */
  .textlink { position: relative; }
  .textlink::after { content: ''; position: absolute; inset: -12px -6px; }
  .crumbs ol { padding-block: .35rem; }
  .field input, .field select, .field textarea { min-height: 48px; }
  .filter-bar button, .slider-dot { min-height: 44px; }
  .slider-dot { padding-inline: .3rem; }
  .svc-modal__x { min-width: 44px; min-height: 44px; }

  /* --- P1-5 正文字号下限 15px；标签 / 型号 / 序号类保持小字 --- */
  .prod-card p, .case-card__desc, .case-card__more, .news-card p,
  .about-note, .commit-card p, .culture-list p, .form-note,
  .inquiry-lead, .side-help p, .cat-head p, .footer-brand p,
  .news-list p, #news-list .news-row p { font-size: .9375rem; }
  .field .hint, .contact-cards .lbl, .contact-cards .note,
  .honor-card__meta, .dl-row__meta, .map-schema, .map-tip { font-size: .8125rem; }

  /* --- P1-2 首屏按确认保持纯图极简；仅收紧板块间距缩短总长 --- */
  .section { padding-block: 2.1rem; }
  .section--tight { padding-block: 1.7rem; }
  .case-row { padding-block: 2rem; }

  /* --- P2-2 轮播白遮罩减弱，保留产品图辨识度 --- */
  .slide-shade {
    background: linear-gradient(180deg, rgba(255,255,255,.90) 0%, rgba(255,255,255,.62) 38%, rgba(255,255,255,.04) 76%);
  }

  /* --- P2-3 证书带：明确滑动指示 + 每张露出更宽 --- */
  .honor-hint { display: block; font-size: .8125rem; color: var(--muted); text-align: right; margin-bottom: .1rem; }
  .honor-stack { --cell-w: 140px; }
}

/* --- P2-2 平板 621–900 常驻精简导航，不再用汉堡 --- */
@media (min-width: 621px) and (max-width: 900px) {
  .nav-toggle, .header-cta { display: none; }
  .main-nav {
    position: static; max-height: none; overflow: visible;
    background: transparent; border-bottom: 0;
    margin-left: auto; margin-right: 0;
  }
  .main-nav ul { flex-direction: row; align-items: center; flex-wrap: nowrap; gap: clamp(.5rem, 1.5vw, 1.1rem); padding: 0; }
  .main-nav a { padding: .75rem 0; border-bottom: 0; font-size: .8125rem; }
}

@media (max-width: 620px) {
  .svc-label { font-size: .75rem; }
  .page-hero h1 { font-size: clamp(1.5rem, 7.5vw, 2rem); }
}