@charset "UTF-8";
/* ==========================================================================
   云速视光官网 · 设计系统
   风格：医疗蓝专业可信风（严格遵循《云速视光官网重构方案》第二章）
   作者：小云 ｜ 版本：1.0.0 ｜ 2026-10-17
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. 设计令牌
   -------------------------------------------------------------------------- */
:root {
  /* 品牌色 */
  --brand:        #1668B3;   /* 品牌主蓝：标题、主按钮、图标、强调数字 */
  --brand-dark:   #0B3D6B;   /* 深蓝：顶栏、页脚、深色区块 */
  --brand-deep:   #072A4A;   /* 更深：页脚底 */
  --brand-soft:   #EAF3FB;   /* 浅蓝底：卡片、交替区块、标签 */
  --brand-softer: #F4F9FD;   /* 极浅蓝 */
  --brand-line:   #CFE1F2;   /* 蓝色描边 */
  --cyan:         #0E9A8C;   /* 辅助青：数据第二色、成功态（克制使用） */
  --cyan-soft:    #E6F5F3;
  --amber:        #E8871A;   /* 强调琥珀：政策/机会提示（极少数重点） */
  --amber-soft:   #FDF3E6;

  /* 中性色 */
  --text:         #3D4752;   /* 正文 */
  --text-2:       #6B7785;   /* 次级文字：说明、图注、时间 */
  --text-3:       #98A2AE;   /* 三级文字 */
  --title:        #12395C;   /* 标题深蓝灰 */
  --line:         #E3E9EF;   /* 分隔线、卡片描边 */
  --line-2:       #EDF1F5;
  --bg:           #FFFFFF;
  --bg-soft:      #F5F8FA;   /* 浅灰底 */
  --bg-soft2:     #EEF3F8;

  /* 语义色 */
  --danger:       #C0392B;
  --danger-soft:  #FDEDEB;
  --ok:           #0E9A8C;

  /* 尺寸与节奏 */
  --radius-sm:    4px;
  --radius:       6px;
  --radius-lg:    8px;
  --radius-xl:    12px;

  --container:    1200px;
  --container-narrow: 880px;
  --gutter:       24px;
  --section-y:    68px;      /* 板块上下内边距（桌面） */
  --section-y-sm: 44px;

  /* 阴影：克制，医疗风不用重投影 */
  --shadow-xs:    0 1px 2px rgba(11,61,107,.05);
  --shadow-sm:    0 2px 8px rgba(11,61,107,.06);
  --shadow-md:    0 6px 20px rgba(11,61,107,.09);
  --shadow-lg:    0 14px 40px rgba(11,61,107,.12);

  /* 字体 */
  --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC",
               "Noto Sans SC", "Hiragino Sans GB", "WenQuanYi Micro Hei",
               -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  /* 动效 */
  --ease: cubic-bezier(.22,.61,.36,1);
  --dur: .28s;
  --dur-lg: .4s;

  --nav-h: 66px;
}

/* 无障碍：高对比模式 */
html[data-contrast="high"] {
  --text: #16232E;
  --text-2: #2C3E4D;
  --text-3: #45586A;
  --line: #9FB3C6;
  --line-2: #B9C9D8;
  --brand-soft: #DCEBF9;
  --bg-soft: #EAF0F6;
  --bg-soft2: #E1EAF2;
  --brand: #0B5A9E;
}
html[data-contrast="high"] .card,
html[data-contrast="high"] .panel { border-width: 2px; }

/* 无障碍：大字号模式 */
html[data-scale="lg"] { font-size: 18px; }
html[data-scale="xl"] { font-size: 20px; }

/* --------------------------------------------------------------------------
   2. Reset & 基础
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
body.nav-open { overflow: hidden; }

img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-decoration: none; transition: color var(--dur) var(--ease); }
a:hover { color: var(--brand-dark); }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
figure, blockquote, dl, dd { margin: 0; }
hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0; }
table { border-collapse: collapse; width: 100%; }

:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 2px;
  border-radius: 2px;
}

/* 跳转到主内容（屏幕阅读器） */
.skip-link {
  position: absolute; left: 50%; top: -100px; transform: translateX(-50%);
  z-index: 999; background: var(--brand-dark); color: #fff;
  padding: 10px 22px; border-radius: 0 0 var(--radius) var(--radius);
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 0; color: #fff; }

/* --------------------------------------------------------------------------
   3. 排版
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 .5em;
  color: var(--title);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(28px, 3.4vw, 40px); line-height: 1.28; }
h2 { font-size: clamp(22px, 2.4vw, 30px); }
h3 { font-size: 19px; font-weight: 500; }
h4 { font-size: 17px; font-weight: 500; }
p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .12em;
  color: var(--brand); text-transform: uppercase;
  margin-bottom: 14px;
}
.section-label::before {
  content: ""; width: 3px; height: 14px; background: var(--brand); border-radius: 2px;
}
.section-title { font-size: clamp(22px, 2.4vw, 30px); font-weight: 600; margin-bottom: 16px; color: var(--title); }
.section-desc { font-size: 16px; color: var(--text-2); line-height: 1.85; max-width: 760px; }
.lead { font-size: 18px; color: var(--text-2); line-height: 1.85; }
.text-muted { color: var(--text-2); }
.text-sm { font-size: 14px; }
.text-xs { font-size: 13px; }
.text-center { text-align: center; }
.num { font-variant-numeric: tabular-nums; }

/* --------------------------------------------------------------------------
   4. 布局
   -------------------------------------------------------------------------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.container-narrow { width: 100%; max-width: var(--container-narrow); margin: 0 auto; padding: 0 var(--gutter); }

.section { padding: var(--section-y) 0; }
.section--soft { background: var(--bg-soft); }
.section--tint { background: var(--brand-soft); }
.section--dark { background: var(--brand-dark); color: #D8E6F4; }
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }
.section--dark .section-desc, .section--dark .lead { color: #B6CDE4; }
.section--dark .section-label { color: #6FB3E8; }
.section--dark .section-label::before { background: #6FB3E8; }
.section--tight { padding: var(--section-y-sm) 0; }

.section-head { margin-bottom: 40px; }
.section-head--center { text-align: center; }
.section-head--center .section-desc { margin-left: auto; margin-right: auto; }

/* 栅格 */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }

/* --------------------------------------------------------------------------
   5. 顶部导航
   -------------------------------------------------------------------------- */
.topbar {
  background: var(--brand-dark); color: #A9C6E0;
  font-size: 13px; line-height: 1;
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; height: 36px; gap: 16px; }
.topbar a { color: #A9C6E0; }
.topbar a:hover { color: #fff; }
.topbar-info { display: flex; align-items: center; gap: 20px; }
.topbar-info span { display: inline-flex; align-items: center; gap: 6px; }
.topbar-links { display: flex; align-items: center; gap: 16px; }

.site-header {
  position: sticky; top: 0; z-index: 200;
  background: rgba(255,255,255,.97);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--dur) var(--ease);
}
.site-header.is-stuck { box-shadow: 0 2px 14px rgba(11,61,107,.08); }
.site-header .container { display: flex; align-items: center; gap: 24px; height: var(--nav-h); }

.brand { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand img { height: 38px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-size: 18px; font-weight: 700; color: var(--title); letter-spacing: .01em; }
.brand-sub { font-size: 10px; color: var(--text-3); letter-spacing: .16em; text-transform: uppercase; }

.nav { margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 2px; }
.nav-item { position: relative; }
.nav-link {
  display: flex; align-items: center; gap: 5px;
  padding: 8px 13px; border-radius: var(--radius);
  font-size: 15px; font-weight: 500; color: var(--title);
  white-space: nowrap;
}
.nav-link:hover, .nav-item.is-active > .nav-link { color: var(--brand); background: var(--brand-soft); }
.nav-link .caret { transition: transform var(--dur) var(--ease); }
.nav-item:hover .caret { transform: rotate(180deg); }

.dropdown {
  position: absolute; top: calc(100% + 6px); left: 50%; transform: translateX(-50%) translateY(8px);
  min-width: 240px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
  padding: 8px; opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
}
.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown { opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.dropdown a {
  display: block; padding: 9px 14px; border-radius: var(--radius-sm);
  font-size: 14px; color: var(--text); line-height: 1.5;
}
.dropdown a:hover { background: var(--brand-soft); color: var(--brand); }
.dropdown a small { display: block; font-size: 12px; color: var(--text-3); font-weight: 400; }

.header-actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }

.nav-toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line);
  background: #fff; border-radius: var(--radius); align-items: center; justify-content: center;
}
.nav-toggle span { display: block; position: relative; width: 18px; height: 2px; background: var(--title); border-radius: 2px; }
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: var(--title); border-radius: 2px;
  transition: transform var(--dur) var(--ease);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
body.nav-open .nav-toggle span { background: transparent; }
body.nav-open .nav-toggle span::before { transform: translateY(6px) rotate(45deg); }
body.nav-open .nav-toggle span::after { transform: translateY(-6px) rotate(-45deg); }

/* 无障碍工具条 */
.a11y-bar { display: flex; align-items: center; gap: 6px; }
.a11y-btn {
  width: 32px; height: 32px; border: 1px solid var(--line); background: #fff;
  border-radius: var(--radius-sm); color: var(--text-2);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 600; padding: 0;
}
.a11y-btn:hover { border-color: var(--brand); color: var(--brand); }
.a11y-btn[aria-pressed="true"] { background: var(--brand); border-color: var(--brand); color: #fff; }

/* --------------------------------------------------------------------------
   6. 按钮
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: var(--radius);
  font-size: 16px; font-weight: 500; line-height: 1.2;
  border: 1px solid transparent; cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
  text-align: center;
}
.btn-primary { background: var(--brand); color: #fff; border-color: var(--brand); }
.btn-primary:hover { background: var(--brand-dark); border-color: var(--brand-dark); color: #fff; box-shadow: var(--shadow-sm); }
.btn-outline { background: #fff; color: var(--brand); border-color: var(--brand); }
.btn-outline:hover { background: var(--brand-soft); color: var(--brand-dark); border-color: var(--brand-dark); }
.btn-ghost { background: transparent; color: var(--title); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn-onDark { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.btn-onDark:hover { background: rgba(255,255,255,.12); color: #fff; border-color: #fff; }
.btn-sm { padding: 8px 18px; font-size: 14px; }
.btn-lg { padding: 15px 36px; font-size: 17px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

.arrow-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 500; font-size: 15px; }
.arrow-link svg { transition: transform var(--dur) var(--ease); }
.arrow-link:hover svg { transform: translateX(4px); }

/* --------------------------------------------------------------------------
   7. 卡片与面板
   -------------------------------------------------------------------------- */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 26px; transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.card--hover:hover { border-color: var(--brand-line); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.card--soft { background: var(--brand-soft); border-color: var(--brand-line); }
.card--flat { border: 1px solid var(--line); box-shadow: none; }
.card h3 { margin-bottom: 10px; color: var(--title); }
.card p { font-size: 15px; color: var(--text-2); line-height: 1.8; margin-bottom: 0; }
.card-num {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 34px; height: 34px; padding: 0 9px; border-radius: var(--radius);
  background: var(--brand); color: #fff; font-size: 15px; font-weight: 600;
  font-variant-numeric: tabular-nums; margin-bottom: 14px;
}
.card-num--soft { background: var(--brand-soft); color: var(--brand); border: 1px solid var(--brand-line); }

.icon-badge {
  width: 46px; height: 46px; border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  background: var(--brand-soft); color: var(--brand); margin-bottom: 16px; flex: 0 0 auto;
  border: 1px solid var(--brand-line);
}
.icon-badge svg { width: 22px; height: 22px; stroke-width: 1.85; }

.panel {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden;
}
.panel-head { padding: 18px 24px; border-bottom: 1px solid var(--line); background: var(--bg-soft); }
.panel-head h3 { margin: 0; font-size: 17px; }
.panel-body { padding: 24px; }

/* 统计数字 */
.stat { text-align: center; }
.stat-value {
  display: block; font-size: clamp(28px, 3vw, 38px); font-weight: 700;
  color: var(--brand); line-height: 1.1; font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}
.stat-value .unit { font-size: .5em; font-weight: 600; margin-left: 2px; }
.stat-label { display: block; font-size: 14px; color: var(--text-2); margin-top: 8px; }

/* 标签 */
.tag {
  display: inline-block; padding: 3px 11px; border-radius: var(--radius-sm);
  background: var(--brand-soft); color: var(--brand); font-size: 13px; font-weight: 500;
  border: 1px solid var(--brand-line); line-height: 1.6;
}
.tag--cyan { background: var(--cyan-soft); color: var(--cyan); border-color: #BFE4DF; }
.tag--amber { background: var(--amber-soft); color: var(--amber); border-color: #F3D5AC; }
.tag--gray { background: var(--bg-soft); color: var(--text-2); border-color: var(--line); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }

/* 提示条 */
.callout {
  border-left: 4px solid var(--brand); background: var(--brand-soft);
  padding: 18px 22px; border-radius: 0 var(--radius) var(--radius) 0;
}
.callout--amber { border-left-color: var(--amber); background: var(--amber-soft); }
.callout--cyan { border-left-color: var(--cyan); background: var(--cyan-soft); }
.callout p { font-size: 15px; color: var(--text); margin: 0; }
.callout strong { color: var(--title); }

/* 表格 */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--line); border-radius: var(--radius-lg); }
table.data { min-width: 100%; font-size: 15px; }
table.data th, table.data td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--line-2); }
table.data th { background: var(--bg-soft); color: var(--title); font-weight: 600; font-size: 14px; white-space: nowrap; }
table.data tr:last-child td { border-bottom: 0; }
table.data tbody tr:hover { background: var(--brand-softer); }

/* 流程步骤 */
.flow { display: flex; gap: 0; }
.flow-step { flex: 1; position: relative; padding: 0 12px; text-align: center; }
.flow-step:not(:last-child)::after {
  content: ""; position: absolute; top: 27px; right: -11px; width: 22px; height: 2px;
  background: var(--brand-line);
}
.flow-dot {
  width: 56px; height: 56px; border-radius: 50%; margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center;
  background: #fff; border: 2px solid var(--brand); color: var(--brand);
  font-size: 20px; font-weight: 700; position: relative; z-index: 1;
}
.flow-step:nth-child(1) .flow-dot { background: var(--brand); color: #fff; }
.flow-step:nth-child(2) .flow-dot { background: #2E7FBF; color: #fff; border-color: #2E7FBF; }
.flow-step:nth-child(3) .flow-dot { background: #4A93CC; color: #fff; border-color: #4A93CC; }
.flow-step:nth-child(4) .flow-dot { background: #0E9A8C; color: #fff; border-color: #0E9A8C; }
.flow-step:nth-child(5) .flow-dot { background: var(--brand-dark); color: #fff; border-color: var(--brand-dark); }
.flow-name { font-size: 16px; font-weight: 600; color: var(--title); margin-bottom: 4px; }
.flow-sub { font-size: 13px; color: var(--text-2); line-height: 1.6; }

/* 对比列 */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.compare-col { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.compare-head { padding: 14px 20px; background: var(--bg-soft); font-weight: 600; color: var(--title); font-size: 15px; border-bottom: 1px solid var(--line); }
.compare-col--a .compare-head { background: var(--bg-soft); }
.compare-col--b .compare-head { background: var(--brand-soft); color: var(--brand); }
.compare-body { padding: 18px 20px; }
.compare-body li { position: relative; padding-left: 22px; font-size: 15px; color: var(--text-2); margin-bottom: 9px; line-height: 1.7; }
.compare-body li:last-child { margin-bottom: 0; }
.compare-body li::before {
  content: ""; position: absolute; left: 4px; top: .66em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--text-3);
}
.compare-col--b .compare-body li::before { background: var(--brand); }

/* 手风琴 */
.accordion { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: #fff; }
.acc-item + .acc-item { border-top: 1px solid var(--line); }
.acc-btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 22px; background: #fff; border: 0; text-align: left;
  font-size: 16px; font-weight: 500; color: var(--title);
}
.acc-btn:hover { background: var(--brand-softer); }
.acc-btn .acc-icon { flex: 0 0 auto; transition: transform var(--dur) var(--ease); color: var(--brand); }
.acc-item.is-open .acc-btn { color: var(--brand); }
.acc-item.is-open .acc-icon { transform: rotate(180deg); }
.acc-panel { display: none; padding: 0 22px 20px; }
.acc-item.is-open .acc-panel { display: block; }
.acc-panel p, .acc-panel li { font-size: 15px; color: var(--text-2); line-height: 1.85; }

/* 页签 */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); overflow-x: auto; padding-bottom: 0; }
.tab {
  padding: 11px 18px; border: 0; background: transparent; font-size: 15px; font-weight: 500;
  color: var(--text-2); border-bottom: 2px solid transparent; white-space: nowrap; margin-bottom: -1px;
}
.tab:hover { color: var(--brand); }
.tab[aria-selected="true"] { color: var(--brand); border-bottom-color: var(--brand); }
.tab-panel { padding-top: 26px; }

/* 面包屑 */
.breadcrumb { font-size: 14px; color: var(--text-2); padding: 16px 0; }
.breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.breadcrumb li { display: flex; align-items: center; gap: 8px; }
.breadcrumb li + li::before { content: "/"; color: var(--text-3); }
.breadcrumb a { color: var(--text-2); }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb [aria-current="page"] { color: var(--title); font-weight: 500; }

/* --------------------------------------------------------------------------
   8. Hero / 页头
   -------------------------------------------------------------------------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--brand-dark) 0%, #114C80 52%, var(--brand) 100%);
  color: #fff; padding: 78px 0 84px;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 78% 18%, rgba(111,179,232,.30) 0%, transparent 46%),
    radial-gradient(circle at 12% 88%, rgba(14,154,140,.20) 0%, transparent 44%),
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 46px 46px, 46px 46px;
  -webkit-mask-image: radial-gradient(ellipse 110% 90% at 50% 40%, #000 30%, transparent 78%);
  mask-image: radial-gradient(ellipse 110% 90% at 50% 40%, #000 30%, transparent 78%);
}
.hero > .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.06fr .94fr; gap: 56px; align-items: center; }
.hero h1 { color: #fff; font-size: clamp(28px, 3.8vw, 44px); line-height: 1.26; margin-bottom: 18px; }
.hero h1 em { font-style: normal; color: #8FC8F2; }
.hero-sub { font-size: 17px; line-height: 1.85; color: #C4DCF1; max-width: 620px; margin-bottom: 30px; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 9px; margin-bottom: 20px;
  padding: 6px 15px; border-radius: 100px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22);
  font-size: 13.5px; letter-spacing: .04em; color: #DCEDFB;
}
.hero-kicker .dot { width: 7px; height: 7px; border-radius: 50%; background: #5FD3A8; }
.hero-kv { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.hero-kv span {
  padding: 5px 14px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.16);
  font-size: 14px; color: #D6E8F8;
}

/* Hero 右侧数据面板 */
.hero-panel {
  background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius-xl); padding: 24px;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.hero-panel-title {
  font-size: 13px; letter-spacing: .1em; text-transform: uppercase;
  color: #9CC4E6; margin-bottom: 18px; display: flex; align-items: center; gap: 8px;
}
.hero-panel-title::before { content: ""; width: 3px; height: 13px; background: #6FB3E8; border-radius: 2px; }
.hero-metric { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 11px 0; border-bottom: 1px dashed rgba(255,255,255,.16); }
.hero-metric:last-of-type { border-bottom: 0; }
.hero-metric-k { font-size: 14.5px; color: #C4DCF1; }
.hero-metric-v { font-size: 20px; font-weight: 700; color: #fff; font-variant-numeric: tabular-nums; }
.hero-metric-v small { font-size: 12px; font-weight: 500; color: #9CC4E6; margin-left: 3px; }

/* 内页页头 */
.page-hero {
  background: linear-gradient(135deg, var(--brand-dark) 0%, #14538A 100%);
  color: #fff; padding: 46px 0 52px; position: relative; overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 90% 120% at 20% 0%, #000, transparent 72%);
  mask-image: radial-gradient(ellipse 90% 120% at 20% 0%, #000, transparent 72%);
}
.page-hero > .container { position: relative; z-index: 1; }
.page-hero h1 { color: #fff; margin-bottom: 12px; }
.page-hero p { color: #C4DCF1; font-size: 17px; line-height: 1.8; max-width: 800px; margin: 0; }
.page-hero .breadcrumb { color: #9CC4E6; padding-top: 0; }
.page-hero .breadcrumb a { color: #B6D3ED; }
.page-hero .breadcrumb a:hover { color: #fff; }
.page-hero .breadcrumb [aria-current="page"] { color: #fff; }
.page-hero .breadcrumb li + li::before { color: #7FA9CE; }

/* --------------------------------------------------------------------------
   9. 首页专属板块
   -------------------------------------------------------------------------- */
/* 政策卡 */
.policy-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; border-top: 3px solid var(--brand); }
.policy-card h3 { font-size: 17px; margin-bottom: 10px; }
.policy-card p { font-size: 14.5px; color: var(--text-2); line-height: 1.8; margin: 0; }

/* 数据条 */
.databar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.databar-item { background: #fff; padding: 22px 18px; text-align: center; }
.databar-item .v { font-size: 26px; font-weight: 700; color: var(--brand); font-variant-numeric: tabular-nums; line-height: 1.2; }
.databar-item .v small { font-size: 14px; font-weight: 500; }
.databar-item .k { font-size: 13.5px; color: var(--text-2); margin-top: 6px; }

/* 双通道入口 */
.channel { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.channel-card {
  display: block; padding: 30px; border-radius: var(--radius-lg); border: 1px solid var(--line);
  background: #fff; transition: all var(--dur) var(--ease);
}
.channel-card:hover { border-color: var(--brand); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.channel-card .icon-badge { margin-bottom: 18px; }
.channel-card h3 { color: var(--title); margin-bottom: 10px; }
.channel-card p { font-size: 15px; color: var(--text-2); line-height: 1.8; margin-bottom: 18px; }
.channel-card--b { background: var(--brand-soft); border-color: var(--brand-line); }
.channel-card--b .icon-badge { background: #fff; }

/* 症状网格 */
.symptom-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.symptom {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 22px 18px; text-align: center; transition: all var(--dur) var(--ease);
}
.symptom:hover { border-color: var(--brand-line); box-shadow: var(--shadow-sm); }
.symptom-icon { width: 44px; height: 44px; margin: 0 auto 14px; border-radius: var(--radius-lg); background: var(--brand-soft); color: var(--brand); display: flex; align-items: center; justify-content: center; }
.symptom h4 { font-size: 15.5px; margin-bottom: 7px; color: var(--title); }
.symptom p { font-size: 13.5px; color: var(--text-2); line-height: 1.7; margin: 0; }

/* 12 周周期 */
.weeks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.week-card { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: #fff; }
.week-head { padding: 14px 20px; background: var(--brand); color: #fff; font-weight: 600; font-size: 15px; }
.week-card:nth-child(2) .week-head { background: #2E7FBF; }
.week-card:nth-child(3) .week-head { background: var(--cyan); }
.week-body { padding: 18px 20px; }
.week-body p { font-size: 14.5px; color: var(--text-2); line-height: 1.8; margin: 0; }

/* 产品卡 */
.product-card {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden; height: 100%;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.product-card:hover { border-color: var(--brand-line); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.product-thumb {
  aspect-ratio: 4 / 3; background: linear-gradient(140deg, var(--brand-soft) 0%, #DCEAF7 100%);
  display: flex; align-items: center; justify-content: center; position: relative;
  border-bottom: 1px solid var(--line); color: var(--brand); overflow: hidden;
}
.product-thumb svg { width: 62px; height: 62px; opacity: .92; }
/* 产品图比例不一，用 contain 完整展示、不裁切 */
.product-thumb img {
  width: 100%; height: 100%; object-fit: contain;
  background: #fff; padding: 14px;
}
.product-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.product-brand { font-size: 12.5px; color: var(--text-3); letter-spacing: .04em; margin-bottom: 6px; }
.product-name { font-size: 17px; font-weight: 600; color: var(--title); margin-bottom: 8px; }
.product-desc { font-size: 14px; color: var(--text-2); line-height: 1.75; margin-bottom: 14px; flex: 1; }
.product-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.product-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 14px; border-top: 1px solid var(--line-2); }
.product-price-note { font-size: 13px; color: var(--text-3); }

/* 文章卡 */
.post-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; height: 100%; transition: all var(--dur) var(--ease); }
.post-card:hover { border-color: var(--brand-line); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.post-thumb { aspect-ratio: 16/9; background: linear-gradient(140deg,#DCEAF7,#EAF3FB); display: flex; align-items: center; justify-content: center; color: var(--brand); border-bottom: 1px solid var(--line); }
.post-thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.post-cat { font-size: 12.5px; color: var(--brand); font-weight: 600; margin-bottom: 8px; letter-spacing: .03em; }
.post-title { font-size: 16.5px; font-weight: 600; color: var(--title); line-height: 1.55; margin-bottom: 10px; }
.post-excerpt { font-size: 14px; color: var(--text-2); line-height: 1.78; flex: 1; margin-bottom: 14px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.post-meta { font-size: 13px; color: var(--text-3); display: flex; align-items: center; gap: 12px; padding-top: 12px; border-top: 1px solid var(--line-2); }

/* 文章正文 */
.article { font-size: 16.5px; line-height: 1.95; color: var(--text); }
.article h2 { font-size: 24px; margin: 40px 0 16px; padding-left: 14px; border-left: 4px solid var(--brand); }
.article h3 { font-size: 19px; margin: 30px 0 12px; color: var(--title); }
.article p { margin: 0 0 1.25em; }
.article ul, .article ol { margin: 0 0 1.35em; padding-left: 4px; }
.article li { position: relative; padding-left: 24px; margin-bottom: 10px; line-height: 1.9; }
.article ul > li::before { content: ""; position: absolute; left: 6px; top: .8em; width: 6px; height: 6px; border-radius: 50%; background: var(--brand); }
.article ol { counter-reset: ol; }
.article ol > li { counter-increment: ol; }
.article ol > li::before {
  content: counter(ol); position: absolute; left: 0; top: .35em;
  width: 20px; height: 20px; border-radius: 50%; background: var(--brand-soft);
  color: var(--brand); font-size: 12px; font-weight: 700; display: flex; align-items: center; justify-content: center;
}
.article blockquote {
  border-left: 4px solid var(--brand-line); background: var(--brand-softer);
  padding: 16px 22px; margin: 1.4em 0; border-radius: 0 var(--radius) var(--radius) 0; color: var(--text-2);
}
.article strong { color: var(--title); font-weight: 600; }
.article img { border-radius: var(--radius-lg); margin: 1.6em 0; }
.article table { font-size: 15px; margin: 1.6em 0; }
.article table th, .article table td { padding: 11px 14px; border: 1px solid var(--line); text-align: left; }
.article table th { background: var(--bg-soft); font-weight: 600; color: var(--title); }
.article-ref { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); }
.article-ref h3 { font-size: 16px; margin-bottom: 12px; }
.article-ref ol li { font-size: 14px; color: var(--text-2); }

/* 文章侧栏 */
.with-sidebar { display: grid; grid-template-columns: 1fr 300px; gap: 44px; align-items: start; }
.sidebar-sticky { position: sticky; top: calc(var(--nav-h) + 20px); }
.side-nav a { display: block; padding: 9px 14px; border-radius: var(--radius); font-size: 14.5px; color: var(--text-2); border-left: 2px solid transparent; }
.side-nav a:hover { background: var(--brand-soft); color: var(--brand); }
.side-nav a.is-active { background: var(--brand-soft); color: var(--brand); font-weight: 500; border-left-color: var(--brand); }

/* 服务支持条 */
.support-strip { background: var(--brand-soft); border: 1px solid var(--brand-line); border-radius: var(--radius-lg); padding: 24px 28px; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.support-strip h3 { margin: 0; font-size: 18px; flex: 1 1 240px; }
.support-strip p { margin: 0; font-size: 15px; color: var(--text-2); flex: 2 1 320px; }

/* 时间轴 */
.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: var(--brand-line); }
.tl-item { position: relative; padding-bottom: 28px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -30px; top: 7px; width: 16px; height: 16px;
  border-radius: 50%; background: #fff; border: 3px solid var(--brand);
}
.tl-year { font-size: 14px; font-weight: 700; color: var(--brand); margin-bottom: 5px; font-variant-numeric: tabular-nums; }
.tl-text { font-size: 15px; color: var(--text-2); line-height: 1.8; }

/* --------------------------------------------------------------------------
   10. 表单
   -------------------------------------------------------------------------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 14.5px; font-weight: 500; color: var(--title); }
.field label .req { color: var(--danger); margin-left: 3px; }
.field .hint { font-size: 12.5px; color: var(--text-3); }
.input, .select, .textarea {
  width: 100%; padding: 11px 14px; border: 1px solid var(--line);
  border-radius: var(--radius); background: #fff; font-size: 15px; line-height: 1.6;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.input:hover, .select:hover, .textarea:hover { border-color: var(--brand-line); }
.input:focus, .select:focus, .textarea:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(22,104,179,.13);
}
.input::placeholder, .textarea::placeholder { color: var(--text-3); }
.textarea { resize: vertical; min-height: 118px; }
.select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B7785' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 13px center; padding-right: 38px; }
.field-error { font-size: 13px; color: var(--danger); display: none; }
.field.has-error .input, .field.has-error .select, .field.has-error .textarea { border-color: var(--danger); }
.field.has-error .field-error { display: block; }

.choice-group { display: flex; flex-wrap: wrap; gap: 10px; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; width: 0; height: 0; }
.choice span {
  display: block; padding: 9px 18px; border: 1px solid var(--line); border-radius: var(--radius);
  font-size: 14.5px; color: var(--text); cursor: pointer; transition: all var(--dur) var(--ease); background: #fff;
}
.choice:hover span { border-color: var(--brand-line); }
.choice input:checked + span { background: var(--brand); color: #fff; border-color: var(--brand); }
.choice input:focus-visible + span { outline: 3px solid var(--brand); outline-offset: 2px; }

.form-note { font-size: 13px; color: var(--text-3); line-height: 1.7; }
.form-status { display: none; padding: 14px 18px; border-radius: var(--radius); font-size: 15px; margin-bottom: 18px; }
.form-status.is-ok { display: block; background: var(--cyan-soft); color: #0A6E63; border: 1px solid #BFE4DF; }
.form-status.is-err { display: block; background: var(--danger-soft); color: var(--danger); border: 1px solid #F2C9C3; }

/* --------------------------------------------------------------------------
   11. 页脚
   -------------------------------------------------------------------------- */
.site-footer { background: var(--brand-deep); color: #94B4D2; font-size: 14px; padding: 52px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand img { height: 40px; width: auto; filter: brightness(0) invert(1); opacity: .96; }
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-sub { color: #7FA3C6; }
.footer-about { font-size: 13.5px; line-height: 1.85; color: #8FB0CE; margin-bottom: 18px; }
.footer h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 16px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #94B4D2; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 12px; font-size: 14px; line-height: 1.7; }
.footer-contact svg { flex: 0 0 auto; margin-top: 4px; color: #5E8CB8; }
.footer-contact a { color: #94B4D2; }
.footer-contact a:hover { color: #fff; }
.footer-qr { display: flex; gap: 16px; align-items: center; margin-top: 18px; }
.footer-qr img { width: 92px; height: 92px; border-radius: var(--radius); background: #fff; padding: 5px; }
.footer-qr p { font-size: 12.5px; color: #8FB0CE; margin: 0; line-height: 1.65; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.10); padding: 20px 0 26px;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px;
  font-size: 13px; color: #7FA3C6;
}
.footer-bottom a { color: #7FA3C6; }
.footer-bottom a:hover { color: #fff; }
.footer-legal { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; }

/* 浮动侧栏 */
.float-side { position: fixed; right: 18px; bottom: 84px; z-index: 150; display: flex; flex-direction: column; gap: 10px; }
.float-btn {
  width: 52px; height: 52px; border-radius: var(--radius-lg); background: #fff;
  border: 1px solid var(--line); box-shadow: var(--shadow-md); color: var(--brand);
  display: flex; align-items: center; justify-content: center; position: relative;
  transition: all var(--dur) var(--ease);
}
.float-btn:hover { background: var(--brand); color: #fff; border-color: var(--brand); }
.float-btn .float-tip {
  position: absolute; right: calc(100% + 10px); top: 50%; transform: translateY(-50%);
  background: var(--brand-dark); color: #fff; font-size: 13px; padding: 7px 13px;
  border-radius: var(--radius); white-space: nowrap; opacity: 0; visibility: hidden;
  transition: all var(--dur) var(--ease); pointer-events: none;
}
.float-btn:hover .float-tip { opacity: 1; visibility: visible; }
.float-btn--primary { background: var(--brand); color: #fff; border-color: var(--brand); }
.float-btn--primary:hover { background: var(--brand-dark); border-color: var(--brand-dark); }
.back-top { opacity: 0; visibility: hidden; }
.back-top.is-show { opacity: 1; visibility: visible; }

/* 滚动渐入 */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s var(--ease), transform .55s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .06s; }
.reveal.d2 { transition-delay: .12s; }
.reveal.d3 { transition-delay: .18s; }
.reveal.d4 { transition-delay: .24s; }
.reveal.d5 { transition-delay: .3s; }

/* 分页 */
.pager { display: flex; justify-content: center; align-items: center; gap: 6px; margin-top: 44px; flex-wrap: wrap; }
.pager a, .pager span {
  min-width: 38px; height: 38px; padding: 0 12px; border: 1px solid var(--line); border-radius: var(--radius);
  display: inline-flex; align-items: center; justify-content: center; font-size: 14.5px; color: var(--text);
  background: #fff; font-variant-numeric: tabular-nums;
}
.pager a:hover { border-color: var(--brand); color: var(--brand); }
.pager .is-current { background: var(--brand); border-color: var(--brand); color: #fff; }

/* 空状态 */
.empty { text-align: center; padding: 60px 20px; color: var(--text-2); }
.empty svg { margin: 0 auto 16px; color: var(--text-3); }

/* 提示：待补内容 */
.todo-note {
  border: 1px dashed var(--amber); background: var(--amber-soft);
  border-radius: var(--radius); padding: 12px 16px; font-size: 13.5px; color: #8A5510;
}

/* --------------------------------------------------------------------------
   12. 响应式
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  :root { --section-y: 54px; --gutter: 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .with-sidebar { grid-template-columns: 1fr; gap: 32px; }
  .sidebar-sticky { position: static; }
  .symptom-grid { grid-template-columns: repeat(3, 1fr); }
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero { padding: 56px 0 60px; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .databar { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .topbar-info span:nth-child(n+3) { display: none; }
  .nav {
    position: fixed; inset: var(--nav-h) 0 0 0; background: #fff; margin: 0;
    padding: 12px 0 60px; overflow-y: auto; transform: translateX(100%);
    transition: transform var(--dur-lg) var(--ease); border-top: 1px solid var(--line);
    -webkit-overflow-scrolling: touch;
  }
  body.nav-open .nav { transform: none; }
  body.nav-open .site-header { box-shadow: none; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-item { border-bottom: 1px solid var(--line-2); }
  .nav-link { padding: 15px 22px; font-size: 16px; justify-content: space-between; border-radius: 0; }
  .nav-link:hover, .nav-item.is-active > .nav-link { background: var(--brand-softer); }
  .dropdown {
    position: static; transform: none; opacity: 1; visibility: visible; pointer-events: auto;
    box-shadow: none; border: 0; border-radius: 0; background: var(--bg-soft);
    min-width: 0; padding: 6px 0; display: none;
  }
  .nav-item.is-open .dropdown { display: block; }
  .nav-item:hover .dropdown { display: none; }
  .nav-item.is-open:hover .dropdown { display: block; }
  .dropdown a { padding: 12px 34px; font-size: 15px; border-radius: 0; }
  .nav-toggle { display: inline-flex; }
  .a11y-bar { display: none; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .flow { flex-direction: column; gap: 22px; }
  .flow-step { display: grid; grid-template-columns: 56px 1fr; gap: 16px; text-align: left; padding: 0; }
  .flow-step:not(:last-child)::after { display: none; }
  .flow-dot { margin: 0; }
  .flow-name { align-self: center; }
  .flow-sub { grid-column: 2; }
  .compare { grid-template-columns: 1fr; }
  .weeks { grid-template-columns: 1fr; }
  .channel { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  :root { --section-y: 42px; --nav-h: 60px; }
  body { font-size: 15.5px; }
  .symptom-grid { grid-template-columns: 1fr 1fr; }
  .grid-4, .grid-5 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .databar { grid-template-columns: 1fr 1fr; }
  .hero-kv { gap: 8px; }
  .hero-kv span { font-size: 13px; padding: 4px 11px; }
  .btn { padding: 11px 22px; font-size: 15.5px; }
  .btn-lg { padding: 13px 28px; font-size: 16px; }
  .btn-row .btn { flex: 1 1 100%; }
  .card { padding: 22px 18px; }
  .float-side { right: 12px; bottom: 74px; }
  .float-btn { width: 46px; height: 46px; }
  .brand-name { font-size: 16.5px; }
  .brand-sub { display: none; }
  .databar-item .v { font-size: 22px; }
  .article { font-size: 16px; }
  .article h2 { font-size: 21px; }
}

/* --------------------------------------------------------------------------
   13. 动效偏好 & 打印
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}
html[data-motion="off"] .reveal { opacity: 1; transform: none; transition: none; }
html[data-motion="off"] * { transition-duration: .01ms !important; }

@media print {
  .site-header, .float-side, .site-footer, .topbar, .btn-row, .back-top { display: none !important; }
  body { font-size: 12pt; color: #000; }
  .hero, .page-hero { background: none !important; color: #000 !important; padding: 0 0 12pt; }
  .hero h1, .page-hero h1 { color: #000 !important; }
  .card, .panel { break-inside: avoid; border-color: #999; }
  a { color: #000; text-decoration: underline; }
}

@media (forced-colors: active) {
  .btn, .card, .input, .select, .textarea { border: 1px solid ButtonBorder; }
}

/* --------------------------------------------------------------------------
   14. 工具类
   -------------------------------------------------------------------------- */
.mt-0 { margin-top: 0 !important; }  .mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }  .mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }  .mt-40 { margin-top: 40px; }
.mb-0 { margin-bottom: 0 !important; }  .mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }  .mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }  .mb-40 { margin-bottom: 40px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.divider { height: 1px; background: var(--line); margin: 32px 0; border: 0; }
.ico { display: inline-block; vertical-align: middle; flex: 0 0 auto; }

/* --------------------------------------------------------------------------
   15. 补充组件（构建期新增）
   -------------------------------------------------------------------------- */

/* 图标与文本对齐 */
.arrow-link .ico, .btn .ico { flex: 0 0 auto; }

/* 紧凑页头 */
.page-hero--compact { padding: 34px 0 38px; }
.page-hero--compact h1 { font-size: clamp(23px, 2.4vw, 30px); margin-bottom: 0; }

/* CTA 区块 */
.cta-inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 24px;
}
.cta-inner > div { flex: 1 1 420px; }

/* 工具栏（筛选 + 搜索） */
.toolbar {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 16px;
}
.toolbar .tabs { flex: 1 1 420px; border-bottom: 0; }
.toolbar .tab {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff; margin-bottom: 0; padding: 8px 15px; font-size: 14.5px;
}
.toolbar .tab:hover { border-color: var(--brand-line); background: var(--brand-softer); }
.toolbar .tab[aria-selected="true"],
.toolbar .tab.is-current { background: var(--brand); border-color: var(--brand); color: #fff; }

.search-inline {
  display: inline-flex; align-items: center; gap: 8px; flex: 0 1 300px;
  border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 0 12px;
  color: var(--text-3);
}
.search-inline:focus-within { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(22,104,179,.13); }
.search-inline .input { border: 0; padding-left: 0; box-shadow: none; background: transparent; }
.search-inline .input:focus { box-shadow: none; }

/* 产品分组 */
.product-group + .product-group { margin-top: 54px; }
.group-head {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding-bottom: 18px; margin-bottom: 26px; border-bottom: 2px solid var(--brand-soft);
}
.group-head .icon-badge { margin-bottom: 0; }
.group-head > div:nth-child(2) { flex: 1 1 320px; }
.group-head h2 { font-size: 23px; margin: 0 0 6px; }
.group-head p { margin: 0; font-size: 14.5px; color: var(--text-2); line-height: 1.7; }

/* 产品详情 */
.detail-grid { display: grid; grid-template-columns: 1fr 360px; gap: 48px; align-items: start; }
.detail-side { position: sticky; top: calc(var(--nav-h) + 20px); }
.spec-list { margin: 0; }
.spec-list dt {
  font-size: 13px; color: var(--text-3); font-weight: 500;
  margin-top: 14px;
}
.spec-list dt:first-child { margin-top: 0; }
.spec-list dd { margin: 3px 0 0; font-size: 15px; color: var(--title); line-height: 1.7; }

/* 表单布局 */
.form-layout { display: grid; grid-template-columns: 1fr 330px; gap: 48px; align-items: start; }
.form-side { position: sticky; top: calc(var(--nav-h) + 20px); }

/* 文章元信息 / 分享 */
.article-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  font-size: 13.5px; color: var(--text-3); padding-bottom: 18px; border-bottom: 1px solid var(--line);
}
.article-share {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px; background: var(--brand-softer); border: 1px solid var(--brand-line);
  border-radius: var(--radius-lg);
}
.article-ref-list { counter-reset: ref; padding-left: 0; }
.article-ref-list li {
  position: relative; padding-left: 30px; margin-bottom: 12px;
  font-size: 15px; color: var(--text-2); line-height: 1.8;
}
.article-ref-list li:last-child { margin-bottom: 0; }
.article-ref-list li::before {
  counter-increment: ref; content: "[" counter(ref) "]";
  position: absolute; left: 0; top: 0; color: var(--brand); font-weight: 600; font-size: 14px;
}

/* 二维码弹层 */
.qr-modal {
  position: fixed; inset: 0; z-index: 500; background: rgba(7,42,74,.62);
  display: flex; align-items: center; justify-content: center; padding: 24px;
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  animation: qrFade .22s var(--ease);
}
@keyframes qrFade { from { opacity: 0 } to { opacity: 1 } }
.qr-modal[hidden] { display: none; }
.qr-modal-box {
  position: relative; background: #fff; border-radius: var(--radius-xl);
  padding: 34px 32px 28px; max-width: 340px; width: 100%; text-align: center;
  box-shadow: var(--shadow-lg);
}
.qr-modal-box h3 { font-size: 18px; margin-bottom: 18px; }
.qr-modal-box img { max-width: 100%; height: auto; margin: 0 auto 16px; border-radius: var(--radius); }
.qr-modal-box p { font-size: 14px; color: var(--text-2); margin-bottom: 6px; }
.qr-modal-close {
  position: absolute; top: 12px; right: 12px; width: 34px; height: 34px;
  border: 0; background: var(--bg-soft); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center; color: var(--text-2);
}
.qr-modal-close:hover { background: var(--brand-soft); color: var(--brand); }

/* 列表空状态 */
.empty .btn { margin-top: 6px; }

/* 图片区块（凡科素材迁移后新增） */
.banner-figure {
  margin: 0 0 32px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-soft);
}
.banner-figure img { width: 100%; height: auto; display: block; }

.product-hero {
  margin: 0 0 28px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-soft);
}
.product-hero img { width: 100%; height: auto; display: block; }

.article-cover {
  margin: 0 0 32px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-soft);
}
.article-cover img { width: 100%; height: auto; display: block; }

/* 代码块 */
pre {
  background: var(--brand-dark); color: #D8E6F4; padding: 18px 20px;
  border-radius: var(--radius-lg); overflow-x: auto; font-family: var(--font-mono);
  font-size: 13.5px; line-height: 1.7; margin: 1.5em 0;
}
pre code { background: none; color: inherit; padding: 0; }
code {
  background: var(--brand-soft); color: var(--brand-dark);
  padding: 2px 6px; border-radius: var(--radius-sm); font-family: var(--font-mono); font-size: .92em;
}