/* ==========================================================================
   易无忧 v3.4 · 设计系统（参考 juhe.cn 聚合数据 科技蓝）
   深蓝（#0E5FD8）+ 亮蓝（#1890FF）+ 红 CTA（#c40001）+ 橙强调（#ff7c00）
   全站唯一主样式，向后兼容 v3.x 全部 class 名
   ========================================================================== */

:root {
  /* ---- 文字阶（深蓝灰，专业稳重） ---- */
  --ink:    #1a2035;
  --ink-2:  #3A4660;
  --ink-3:  #7A8499;
  --text:   var(--ink);
  --text-2: var(--ink-2);
  --text-3: var(--ink-3);

  /* ---- 品牌蓝完整阶（juhe 科技蓝） ---- */
  --brand:       #1890FF;   /* 亮蓝：按钮/链接/激活态 */
  --brand-deep:  #0E5FD8;   /* 深蓝：顶栏渐变深端、页脚 */
  --brand-2:     #4DB3FF;   /* 浅蓝：渐变浅端 */
  --brand-soft:  #E8F3FF;
  --brand-line:  #B7DCF7;
  --brand-bg:    #F0F7FF;   /* 大面积淡蓝底 */

  /* ---- 价格/强调色（橙 + 红 CTA） ---- */
  --price:       #ff7c00;
  --price-deep:  #e66a00;
  --price-soft:  #fff4e6;
  --red:         #c40001;   /* 强 CTA / 重要提示 */
  --red-soft:    #fde8e8;
  --accent:      var(--price);
  --accent-soft: var(--price-soft);

  /* ---- 功能色 ---- */
  --green:      #16a34a;
  --green-soft: #e8f8ee;
  --purple:     #7c4dff;
  --purple-soft:#f3eeff;

  /* ---- 背景与描边 ---- */
  --bg:       #F3F9FF;
  --bg-soft:  #ECF3FA;
  --surface:  #ffffff;
  --line:     #D9E2EF;
  --line-soft:#f0f3f8;

  /* ---- 圆角阶 ---- */
  --r-xs: 6px;
  --r-sm: 10px;
  --r:    14px;
  --r-lg: 18px;
  --r-xl: 24px;
  --r-pill: 999px;
  --radius: var(--r);
  --radius-s: var(--r-sm);

  /* ---- 阴影 4 级（基于深蓝灰） ---- */
  --sh-1: 0 1px 2px rgba(26,32,53,.04), 0 1px 3px rgba(26,32,53,.06);
  --sh-2: 0 4px 12px rgba(26,32,53,.08), 0 2px 4px rgba(26,32,53,.04);
  --sh-3: 0 12px 28px rgba(26,32,53,.12), 0 4px 10px rgba(26,32,53,.06);
  --sh-4: 0 24px 48px rgba(26,32,53,.16);
  --sh-card: 0 1px 3px rgba(26,32,53,.06), 0 4px 14px rgba(26,32,53,.09);  /* 卡片默认态：比 sh-1 更立体 */
  --shadow-1: var(--sh-1);  /* 兼容 */
  --shadow-2: var(--sh-3);  /* 兼容 */

  /* ---- 间距基线（4 的倍数） ---- */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 24px; --sp-6: 32px; --sp-7: 48px; --sp-8: 64px;

  /* ---- 动效 ---- */
  --t-fast: .15s;
  --t:      .25s;
  --t-slow: .4s;
  --ease:     cubic-bezier(.4,0,.2,1);
  --ease-out: cubic-bezier(.16,1,.3,1);

  --font: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, var(--font);
}

/* ---------- 基础 ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.7 var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; transition: color var(--t-fast) var(--ease); }
a:hover { color: var(--brand); }
img { max-width: 100%; height: auto; }
.m-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; border-radius: 6px; }
::selection { background: var(--brand-soft); color: var(--brand-deep); }

/* ---------- 顶部公告条（浅灰蓝底，喇叭 + 公告文字 + 右侧链接） ---------- */
.mb-notice {
  background: #f5f7fa; border-bottom: 1px solid var(--line);
  font-size: 13px; color: var(--text-2);
}
.mb-notice-in { display: flex; align-items: center; gap: 8px; height: 36px; }
.mb-notice-ico { flex: none; color: var(--brand); display: inline-flex; align-items: center; }
.mb-notice-ico svg { width: 16px; height: 16px; }
.mb-notice-txt { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mb-notice-right { flex: none; display: inline-flex; gap: 16px; }
.mb-notice-right a { color: var(--text-3); text-decoration: none; }
.mb-notice-right a:hover { color: var(--brand); }

/* ---------- 顶部栏（白色清爽风，参考 juhe.cn：白底 + 黑字 LOGO） ---------- */
.mb-topbar {
  position: sticky; top: 0; z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 10px rgba(31,45,90,.05);
}
.mb-topbar-in { display: flex; align-items: center; gap: 20px; height: 84px; }
.mb-logo {
  display: inline-flex; align-items: center; flex: none;
  text-decoration: none;
}
.mb-logo-img { height: 52px; width: auto; display: block; }
.mb-top-extra {
  flex: none; font-size: 13px; color: var(--brand); text-decoration: none;
  padding: 6px 12px; border: 1px solid var(--brand-line); border-radius: var(--r-pill);
  transition: all var(--t-fast) var(--ease); margin-left: 4px;
}
.mb-top-extra:hover { background: var(--brand-soft); color: var(--brand-deep); border-color: var(--brand); }
.mb-search { flex: 1; max-width: 460px; display: flex; position: relative; }
.mb-search input {
  flex: 1; border: 1px solid var(--line); border-right: 0; background: var(--bg-soft);
  border-radius: var(--r-pill) 0 0 var(--r-pill); padding: 10px 18px; font: 14px var(--font); color: var(--text);
  outline: none; transition: background var(--t) var(--ease), box-shadow var(--t) var(--ease), border-color var(--t) var(--ease); min-width: 0;
}
.mb-search input::placeholder { color: var(--text-3); }
.mb-search input:focus { background: #fff; border-color: var(--brand); box-shadow: 0 0 0 4px var(--brand-soft); z-index: 1; }
.mb-search button {
  border: 0; cursor: pointer; flex: none;
  background: linear-gradient(120deg, var(--brand-deep), var(--brand));
  color: #fff; font: 600 14px var(--font); padding: 0 22px;
  border-radius: 0 var(--r-pill) var(--r-pill) 0;
  transition: filter var(--t) var(--ease);
}
.mb-search button:hover { filter: brightness(1.1); }
.mb-search button:active { transform: translateY(1px); }

/* ---------- 顶栏分段搜索（搜域名 / 搜商标 tab，参考 22.cn 爱名网） ---------- */
.mb-searchbox { flex: 1; max-width: 480px; min-width: 0; margin-left: auto; display: flex; flex-direction: column; gap: 7px; }
.mb-searchbox .mb-search { flex: none; width: 100%; max-width: none; }
.mb-search-tabs { display: inline-flex; align-items: center; }
.mb-search-tabs button {
  border: 0; background: transparent; cursor: pointer; padding: 3px 0 6px; margin-right: 18px;
  font: 500 13px var(--font); color: var(--text-3); position: relative; line-height: 1.4;
  transition: color var(--t-fast) var(--ease);
}
.mb-search-tabs button:hover { color: var(--brand); }
.mb-search-tabs button.on { color: var(--brand); font-weight: 600; }
.mb-search-tabs button.on::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: var(--brand); border-radius: 1px;
}

/* 首页：隐藏顶栏搜索（Hero 大搜索专注承载），电话/微信触点靠右、左侧放大留白 */
body.home .mb-searchbox { display: none; }
body.home .mb-top-right { margin-left: auto; }

/* ---------- 顶栏右侧：咨询热线 + 微信客服（悬浮二维码） ---------- */
.mb-top-right { display: inline-flex; align-items: center; gap: 26px; flex: none; }
.mb-hotline { display: inline-flex; align-items: center; gap: 10px; color: var(--ink-2); text-decoration: none; white-space: nowrap; }
.mb-hotline-ico {
  width: 42px; height: 42px; border-radius: 50%; flex: none;
  background: var(--brand-soft); color: var(--brand);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.mb-hotline-ico svg { width: 20px; height: 20px; }
.mb-hotline-txt { display: flex; flex-direction: column; line-height: 1.2; gap: 3px; }
.mb-hotline-txt em { font-style: normal; font-size: 11px; color: var(--text-3); letter-spacing: .02em; }
.mb-hotline-txt b { font-size: 19px; font-weight: 800; color: var(--brand-deep); font-variant-numeric: tabular-nums; letter-spacing: .3px; line-height: 1; }
.mb-hotline:hover .mb-hotline-ico { background: var(--brand); color: #fff; }
.mb-hotline:hover .mb-hotline-txt b { color: var(--brand); }
.mb-wx { position: relative; display: inline-flex; }
.mb-wx-btn { display: inline-flex; align-items: center; gap: 10px; color: var(--ink-2); cursor: pointer; white-space: nowrap; }
.mb-wx-ico {
  width: 42px; height: 42px; border-radius: 50%; flex: none;
  background: #E6F9EE; color: #07C160;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.mb-wx-ico svg { width: 22px; height: 22px; }
.mb-wx-txt { display: flex; flex-direction: column; line-height: 1.2; gap: 3px; }
.mb-wx-txt em { font-style: normal; font-size: 13px; color: var(--ink-2); font-weight: 600; }
.mb-wx-txt b { font-size: 12px; font-weight: 500; color: var(--text-3); line-height: 1; }
.mb-wx-btn:hover .mb-wx-ico { background: #07C160; color: #fff; }
.mb-wx-btn:hover .mb-wx-txt em { color: var(--brand); }
.mb-wx-pop {
  position: absolute; top: calc(100% + 12px); right: 0; width: 168px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--sh-3);
  padding: 14px 14px 10px; text-align: center;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity var(--t) var(--ease-out), transform var(--t) var(--ease-out), visibility var(--t);
  z-index: 130;
}
.mb-wx-pop::before {  /* 指向箭头 */
  content: ""; position: absolute; top: -6px; right: 24px; width: 10px; height: 10px;
  background: #fff; border-left: 1px solid var(--line); border-top: 1px solid var(--line);
  transform: rotate(45deg);
}
.mb-wx-pop img { width: 140px; height: 140px; border-radius: 8px; background: var(--bg-soft); display: block; margin: 0 auto; }
.mb-wx-pop .mb-wx-ph {
  display: flex; align-items: center; justify-content: center; width: 140px; height: 140px; margin: 0 auto;
  border-radius: 8px; background: var(--bg-soft); color: var(--text-3); font-size: 12px;
  border: 1px dashed var(--line);
}
.mb-wx-pop p { margin: 9px 0 0; font-size: 12px; color: var(--text-3); }
.mb-wx:hover .mb-wx-pop, .mb-wx:focus-within .mb-wx-pop { opacity: 1; visibility: visible; transform: none; }

/* ---------- 主导航（域名 / 商标双模块 + 分类下拉）· 品牌蓝渐变底 + 白字 ---------- */
.mb-navbar {
  background: linear-gradient(90deg, #0a4ec4 0%, #1264e3 55%, #1890ff 100%);
  position: sticky; top: 84px; z-index: 90;
  box-shadow: 0 4px 16px rgba(14,95,216,.16);
}
.mb-nav-in { display: flex; gap: 4px; height: 54px; align-items: center; }
.mb-nav-in > a, .mb-nav-trigger {
  flex: none; font-size: 14.5px; font-weight: 500; color: rgba(255,255,255,.94);
  padding: 8px 16px; border-radius: var(--r-pill);
  transition: all var(--t-fast) var(--ease);
  white-space: nowrap;
}
.mb-nav-in > a:hover, .mb-nav-trigger:hover { color: #fff; background: rgba(255,255,255,.18); }
.mb-nav-in > a.on {
  color: #fff; background: transparent; font-weight: 600;
  border-radius: 10px 10px 0 0;
  box-shadow: inset 0 -3px 0 #fff;
}

.mb-nav-drop { position: relative; display: inline-flex; align-items: center; height: 100%; }
.mb-nav-drop > .mb-nav-trigger { display: inline-flex; align-items: center; gap: 4px; padding-right: 10px; }
.mb-nav-caret {
  flex: none; display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; border: 0; border-radius: 50%; cursor: pointer;
  background: transparent; color: rgba(255,255,255,.85); margin-left: -4px;
  transition: all var(--t-fast) var(--ease);
}
.mb-nav-caret svg { width: 14px; height: 14px; }
.mb-nav-caret:hover { color: #fff; background: rgba(255,255,255,.22); }
.mb-nav-drop:hover .mb-nav-caret { color: #fff; }
.mb-nav-drop.on .mb-nav-trigger {
  color: #fff; background: transparent; font-weight: 600;
  border-radius: 10px 10px 0 0;
  box-shadow: inset 0 -3px 0 #fff;
}
.mb-nav-drop.on .mb-nav-caret { color: #fff; background: transparent; }
.mb-nav-drop.open .mb-nav-caret svg { transform: rotate(180deg); }

/* 商标模块：价格橙点缀，强调与域名并列的第二门户 */
.mb-nav-drop--tm .mb-nav-trigger::after {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--price); margin-left: 2px; flex: none;
}

/* 下拉面板（桌面） */
.mb-nav-panel {
  position: absolute; top: calc(100% - 4px); left: 0; min-width: 400px; width: max-content; max-width: 600px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  box-shadow: var(--sh-4); padding: 10px;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity var(--t-fast) var(--ease-out), transform var(--t-fast) var(--ease-out), visibility var(--t-fast);
  z-index: 60;
}
.mb-nav-drop:hover .mb-nav-panel,
.mb-nav-drop:focus-within .mb-nav-panel,
.mb-nav-drop.open .mb-nav-panel { opacity: 1; visibility: visible; transform: none; }
.mb-nav-panel a {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  font-size: 14px; color: var(--text-2); padding: 9px 14px;
  border-radius: var(--r-md); white-space: nowrap;
  transition: all var(--t-fast) var(--ease);
}
.mb-nav-panel a:hover { color: var(--brand); background: var(--brand-soft); }
.mb-nav-panel a.on { color: var(--brand); background: var(--brand-soft); font-weight: 600; }
.mb-nav-panel a span, .mb-nav-panel a em {
  font-style: normal; font-size: 12px; color: var(--text-3);
  background: var(--brand-bg); border-radius: var(--r-pill); padding: 1px 9px; flex: none;
}
.mb-nav-panel a.mb-nav-all {
  grid-column: 1 / -1; font-weight: 600; color: var(--brand-deep);
  border-bottom: 1px solid var(--line); border-radius: var(--r-md) var(--r-md) 0 0;
  margin-bottom: 4px; padding-bottom: 11px;
}
/* 下拉面板内的分节标签（按行业 / 按尼斯分类） */
.mb-nav-sec {
  grid-column: 1 / -1; font-size: 12px; font-weight: 600; color: var(--text-3);
  letter-spacing: .04em; padding: 8px 14px 2px;
}
.mb-nav-sec + .mb-nav-sec { border-top: 1px dashed var(--line); margin-top: 6px; padding-top: 12px; }
.mb-nav-panel a em { color: var(--brand); background: var(--brand-soft); font-weight: 600; }
.mb-nav-drop--tm .mb-nav-panel a span { background: var(--price-soft); color: var(--price-deep); }

/* ---------- 商标筛选面板（参考 trans.tm.cn/mt/buy） ---------- */
.mb-filter {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  box-shadow: var(--sh-1); padding: 14px 18px; margin-bottom: 22px;
}
.mb-filter .frow { display: flex; gap: 12px; align-items: flex-start; }
.mb-filter .frow + .frow { border-top: 1px dashed var(--line); padding-top: 11px; margin-top: 11px; }
.mb-filter .flabel { flex: none; width: 62px; font-size: 13px; color: var(--text-3); line-height: 30px; }
.mb-filter .fchips { display: flex; flex-wrap: wrap; gap: 6px; }
.mb-filter .fchips a {
  font-size: 13px; color: var(--text-2); padding: 5px 13px; line-height: 20px;
  border-radius: var(--r-pill); transition: all var(--t-fast) var(--ease);
}
.mb-filter .fchips a:hover { color: var(--brand); background: var(--brand-soft); }
.mb-filter .fchips a.on { color: #fff; background: linear-gradient(120deg, var(--brand-deep), var(--brand)); font-weight: 600; box-shadow: var(--sh-1); }
.mb-filter .frow-search { border-top: 0 !important; padding-top: 0 !important; margin-top: 0 !important; justify-content: center; }
.mb-filter .frow-search .mb-search { flex: none; width: 100%; max-width: 540px; margin-left: 0; }
/* 筛选面板内搜索框：白底白面板下补可见边框（顶部导航栏搜索框仍无边框） */
.mb-filter .frow-search .mb-search input { border: 1px solid #c7d3e3; border-right: 0; background: #fff; }
.mb-filter .frow-search .mb-search input:focus { border-color: var(--brand); box-shadow: 0 0 0 4px var(--brand-soft); background: #fff; }
/* 已激活筛选标签（如行业），可点击 × 移除 */
.mb-filter .findTag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--price-deep); background: var(--price-soft);
  border-radius: var(--r-pill); padding: 5px 8px 5px 13px; line-height: 20px;
}
.mb-filter .findTag a { display: inline-flex; align-items: center; justify-content: center;
  width: 20px; height: 20px; border-radius: 50%; color: inherit; font-size: 14px;
  background: rgba(0,0,0,.06); transition: all var(--t-fast) var(--ease); }
.mb-filter .findTag a:hover { background: var(--price); color: #fff; }

/* ---------- Hero（首页搜索区：白净底 + 深蓝标题） ---------- */
.mb-hero {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, var(--brand-bg) 100%);
  border-bottom: 1px solid var(--line); padding: 60px 0 48px; text-align: center;
}
.mb-hero::before {  /* 装饰网格点 */
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .35;
  background-image: radial-gradient(rgba(24,144,255,.10) 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 70%);
  mask-image: linear-gradient(180deg, #000, transparent 70%);
}
.mb-hero > * { position: relative; }
.mb-hero h1 {
  margin: 0 0 12px; font-size: clamp(24px, 4.4vw, 34px); font-weight: 800; letter-spacing: .5px;
  color: var(--brand-deep);
}
.mb-hero p { margin: 0 0 24px; color: var(--text-2); font-size: clamp(13px, 1.6vw, 15px); }
/* Hero 搜索类型切换 */
.hero-tabs { display: inline-flex; align-items: center; gap: 30px; margin-bottom: 16px; }
.hero-tabs button {
  border: 0; cursor: pointer; background: transparent; color: var(--text-2);
  font: 600 15px var(--font); padding: 3px 2px; position: relative;
  transition: color var(--t-fast) var(--ease);
}
.hero-tabs button:hover { color: var(--brand); }
.hero-tabs button.on { color: var(--brand); }
.hero-tabs button.on::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -5px; height: 2.5px;
  background: var(--brand); border-radius: 2px;
}

.mb-hero .big-search {
  display: flex; max-width: 620px; margin: 0 auto; background: #fff;
  border: 1.5px solid var(--brand-line); border-radius: var(--r-pill); box-shadow: var(--sh-2);
  overflow: hidden;
  transition: box-shadow var(--t) var(--ease), border-color var(--t) var(--ease);
}
.mb-hero .big-search:focus-within { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(24,144,255,.12), var(--sh-2); }
.mb-hero .big-search input { flex: 1; border: 0; outline: none; padding: 14px 24px; font: 15px var(--font); min-width: 0; }
.mb-hero .big-search button {
  flex: none; border: 0; cursor: pointer; padding: 0 32px;
  background: linear-gradient(120deg, var(--brand-deep), var(--brand)); color: #fff;
  font: 700 15px var(--font);
  transition: filter var(--t) var(--ease);
}
.mb-hero .big-search button:hover { filter: brightness(1.08); }
.mb-hero .big-search button:active { transform: translateY(1px); }
.mb-hero-stats { display: flex; justify-content: center; gap: 16px; margin-top: 30px; flex-wrap: wrap; }
.mb-hero-stats div {
  font-size: 13px; color: var(--text-2);
  background: rgba(255,255,255,.7); border: 1px solid var(--line);
  padding: 9px 18px; border-radius: var(--r-pill); backdrop-filter: blur(4px);
  display: inline-flex; align-items: baseline; gap: 5px;
}
.mb-hero-stats b { font-size: 19px; color: var(--brand-deep); font-weight: 800; font-variant-numeric: tabular-nums; }
.mb-hotcats { margin-top: 18px; font-size: 13px; color: var(--text-3); }
.mb-hotcats a {
  margin: 4px; color: var(--text-2); background: #fff; border: 1px solid var(--line);
  padding: 4px 13px; border-radius: var(--r-pill); display: inline-block;
  transition: all var(--t-fast) var(--ease);
}
.mb-hotcats a:hover { color: var(--brand); border-color: var(--brand-line); transform: translateY(-1px); }

/* ---------- 区块标题 ---------- */
.mb-section { padding: 40px 0 8px; }
.mb-sec-head { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.mb-sec-head h2 {
  margin: 0; font-size: 21px; font-weight: 800; letter-spacing: .2px;
  position: relative; padding-left: 14px;
}
.mb-sec-head h2::before {
  content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 4px;
  border-radius: 2px; background: linear-gradient(180deg, var(--brand), var(--brand-2));
}
.mb-sec-head h2 i { font-style: normal; color: var(--brand); margin-right: 2px; }
.mb-sec-head .sub { color: var(--text-3); font-size: 13px; }
.mb-sec-head .more { margin-left: auto; font-size: 13.5px; color: var(--brand); font-weight: 600; display: inline-flex; align-items: center; gap: 3px; }
.mb-sec-head .more::after { content: "→"; transition: transform var(--t) var(--ease); }
.mb-sec-head .more:hover { color: var(--brand); }
.mb-sec-head .more:hover::after { transform: translateX(3px); }

/* ---------- 卡片网格 ---------- */
.m-grid {
  display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fill, minmax(224px, 1fr));
}
.m-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
  box-shadow: var(--sh-card); padding: 16px 16px 14px; position: relative;
  display: flex; flex-direction: column; overflow: hidden;
  transition: transform var(--t) var(--ease-out), box-shadow var(--t) var(--ease), border-color var(--t) var(--ease);
}
.m-card::after {  /* hover 顶部渐变光带 */
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  transform: scaleX(0); transform-origin: left; transition: transform var(--t) var(--ease-out);
}
.m-card:hover { transform: translateY(-6px); box-shadow: var(--sh-3); border-color: var(--brand-line); }
.m-card:hover::after { transform: scaleX(1); }
.m-card__img {
  border-radius: var(--r-sm); overflow: hidden; background: var(--bg-soft); margin: -16px -16px 12px;
  aspect-ratio: 3 / 2; width: calc(100% + 32px);
  display: flex; align-items: center; justify-content: center;
}
.m-card__img img { width: 100%; height: 100%; object-fit: cover; object-position: top center; display: block; transition: transform .4s var(--ease-out); }
.m-card:hover .m-card__img img { transform: scale(1.06); }
/* 无域名截图时的占位：浅底大字（视觉一致，不抢主视觉） */
.m-card__img .ph {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font: 800 40px/1 var(--font); letter-spacing: 2px; color: #c3d5f5;
  background: linear-gradient(135deg, #f6f9ff, #e9f0fd);
  text-transform: uppercase; user-select: none;
  transition: color var(--t) var(--ease);
}
.m-card:hover .m-card__img .ph { color: #a8c2ee; }
.m-card__name {
  font-size: 19px; font-weight: 800; letter-spacing: .2px; color: var(--text);
  word-break: break-all; font-family: var(--mono);
  transition: color var(--t-fast) var(--ease);
}
.m-card:hover .m-card__name { color: var(--brand); }
.m-card__meaning { margin-top: 6px; color: var(--text-2); font-size: 13.5px; min-height: 22px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.m-card__foot { margin-top: auto; padding-top: 14px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.m-card__price {
  font-size: 17px; font-weight: 800; color: var(--price); white-space: nowrap;
  display: inline-flex; align-items: baseline; gap: 1px;
  font-variant-numeric: tabular-nums;
}
.m-card__price.ask { color: var(--brand); font-size: 14px; }
.m-card__price small { font-size: 12px; font-weight: 600; color: var(--price-deep); margin-right: 1px; }
.m-card__since { font-size: 12px; color: var(--text-3); white-space: nowrap; }
.m-card__sold {
  position: absolute; top: 14px; right: -30px; transform: rotate(45deg);
  background: #b6bfce; color: #fff; font-size: 12px; padding: 3px 34px; letter-spacing: 2px;
}

/* 商标卡片 */
.m-card--tm { text-align: center; }
.m-card--tm .tb-logo {
  width: 72px; height: 72px; margin: 4px auto 12px; border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  background: var(--brand-soft); color: var(--brand); font-size: 28px; font-weight: 800;
  overflow: hidden;
  transition: transform var(--t) var(--ease-out);
}
.m-card--tm:hover .tb-logo { transform: scale(1.06) rotate(-2deg); }
.m-card--tm .tb-logo img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.m-card--tm .tb-logo.c1 { background: var(--green-soft); color: var(--green); }
.m-card--tm .tb-logo.c2 { background: var(--price-soft); color: var(--price); }
.m-card--tm .tb-logo.c3 { background: var(--purple-soft); color: var(--purple); }
.m-card--tm .tb-logo.c4 { background: var(--red-soft); color: var(--red); }
.m-card--tm .m-card__name { font-family: var(--font); font-size: 18px; }
.tb-chip {
  display: inline-flex; align-items: center; gap: 4px; margin-top: 8px;
  font-size: 12px; color: var(--brand); background: var(--brand-soft);
  border: 1px solid var(--brand-line); border-radius: var(--r-pill); padding: 3px 11px;
}
.tb-reg { font-size: 12px; color: var(--text-3); margin-top: 10px; }

/* 通用徽章/胶囊 */
.pill { display: inline-flex; align-items: center; gap: 4px; border-radius: var(--r-pill); padding: 4px 12px; font-size: 12.5px; font-weight: 600; }
.pill--ok { background: var(--green-soft); color: var(--green); }
.pill--price { background: var(--price-soft); color: var(--price); }
.pill--blue { background: var(--brand-soft); color: var(--brand); }
.pill--gray { background: #f1f3f8; color: var(--text-2); }

/* ---------- 列表页 ---------- */
.mb-crumbs { font-size: 13px; color: var(--text-3); padding: 20px 0 0; }
.mb-crumbs a:hover { color: var(--brand); }
.mb-pagehead {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 28px 32px; margin: 16px 0; box-shadow: var(--sh-1);
  position: relative; overflow: hidden;
}
.mb-pagehead::before {  /* 左侧装饰条 */
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(180deg, var(--brand), var(--brand-2));
}
.mb-pagehead h1 { margin: 0 0 6px; font-size: 24px; font-weight: 800; }
.mb-pagehead .desc { color: var(--text-2); font-size: 14px; }
.mb-statbar { display: flex; gap: 28px; margin-top: 16px; flex-wrap: wrap; }
.mb-statbar > div { display: flex; flex-direction: column; gap: 2px; }
.mb-statbar b { font-size: 20px; color: var(--brand-deep); font-variant-numeric: tabular-nums; }
.mb-statbar span { font-size: 12.5px; color: var(--text-3); }

.mb-toolbar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin: 0 0 18px; }
.mb-toolbar .mb-search { max-width: 380px; margin-left: 0; flex: 1; min-width: 200px; }
.mb-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.mb-chips a, .mb-chips span.chip {
  font-size: 13px; color: var(--text-2); background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--r-pill); padding: 5px 14px;
  transition: all var(--t-fast) var(--ease);
  min-height: 30px; display: inline-flex; align-items: center;
}
.mb-chips a:hover { color: var(--brand); border-color: var(--brand-line); background: var(--brand-soft); }
.mb-chips a.on { background: linear-gradient(120deg, var(--brand-deep), var(--brand)); border-color: var(--brand); color: #fff; font-weight: 600; box-shadow: var(--sh-1); }

/* 分页 */
.mb-pager { display: flex; justify-content: center; gap: 8px; margin: 32px 0; flex-wrap: wrap; }
.mb-pager a, .mb-pager span {
  min-width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--r-sm); border: 1px solid var(--line); background: var(--surface);
  font-size: 14px; color: var(--text-2); padding: 0 12px;
  transition: all var(--t-fast) var(--ease);
}
.mb-pager a:hover { color: var(--brand); border-color: var(--brand-line); background: var(--brand-soft); transform: translateY(-1px); }
.mb-pager .pg-nav { padding: 0 16px; }
.mb-pager .on { background: linear-gradient(120deg, var(--brand-deep), var(--brand)); border-color: var(--brand); color: #fff; font-weight: 700; box-shadow: var(--sh-1); }
.mb-pager .dots { border: 0; background: transparent; }

/* 空状态（v3.5：补引导按钮，不再只有一句话） */
.mb-empty {
  background: var(--surface); border: 1px dashed var(--line); border-radius: var(--r);
  padding: 56px 20px; text-align: center; color: var(--text-2); font-size: 14px; grid-column: 1 / -1;
}
.mb-empty b { display: block; font-size: 40px; margin-bottom: 14px; color: #cdd7e8; line-height: 1; }
.mb-empty p { margin: 0 0 18px; font-size: 15px; }
.empty-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.empty-actions a {
  font-size: 13.5px; color: var(--brand); border: 1px solid var(--brand-line);
  background: var(--brand-soft); border-radius: var(--r-pill); padding: 8px 18px;
  transition: all var(--t-fast) var(--ease);
}
.empty-actions a:hover { background: var(--brand); color: #fff; border-color: var(--brand); }

/* ---------- 详情页 ---------- */
.mb-detail { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 20px; margin-top: 16px; align-items: start; }
.mb-panel {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  box-shadow: var(--sh-1); padding: 30px;
}
.mb-detail .main-panel h1 { margin: 0; font-size: clamp(24px, 3vw, 34px); font-weight: 800; word-break: break-all; letter-spacing: .3px; }
.mb-detail .main-panel h1 img { max-height: 88px; }
.dp-meta { display: flex; flex-wrap: wrap; gap: 20px; margin: 16px 0 4px; color: var(--text-2); font-size: 13.5px; }
.dp-meta b { color: var(--text); font-weight: 600; }
.dp-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
.dp-meaning { font-size: 15px; color: var(--text-2); border-left: 3px solid var(--brand-line); padding-left: 14px; margin: 18px 0 4px; }
/* 商标详情页「含义」释义卡片（醒目、缓解头部信息堆积） */
.dp-meaning--tag { display: flex; align-items: flex-start; gap: 10px; background: var(--brand-soft); border: 1px solid var(--brand-line); border-radius: var(--r); padding: 12px 16px; color: var(--text); margin: 18px 0 6px; text-align: left; }
.dp-meaning__tag { flex-shrink: 0; margin-top: 3px; font-size: 12px; font-weight: 700; color: #fff; background: var(--brand); border-radius: 4px; padding: 2px 8px; line-height: 1.4; }
.dp-meaning__text { flex: 1; min-width: 0; line-height: 1.7; }
.dp-platform img { height: 18px; vertical-align: -4px; margin-right: 6px; }

/* 价格卡（粘性） */
.price-card { text-align: center; position: sticky; top: 84px; }
.price-card .p-ask { font-size: 40px; font-weight: 800; color: var(--price); letter-spacing: 1px; font-variant-numeric: tabular-nums; }
.price-card .p-ask small { font-size: 16px; font-weight: 500; }
.price-card .p-note { color: var(--text-3); font-size: 13px; margin: 4px 0 18px; }
.price-card .btn-cta {
  display: block; border: 0; cursor: pointer; width: 100%;
  background: linear-gradient(120deg, var(--brand-deep), var(--brand)); color: #fff;
  font: 700 16px var(--font); padding: 14px; border-radius: var(--r); margin-bottom: 10px;
  box-shadow: 0 6px 18px rgba(47,107,240,.30);
  transition: filter var(--t) var(--ease), transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
  position: relative; overflow: hidden;
}
.price-card .btn-cta::before {  /* 高光扫过 */
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.25) 50%, transparent 70%);
  transform: translateX(-100%); transition: transform .6s var(--ease);
}
.price-card .btn-cta:hover { filter: brightness(1.06); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(47,107,240,.36); }
.price-card .btn-cta:hover::before { transform: translateX(100%); }
.price-card .btn-cta:active { transform: translateY(0) scale(.99); }
.price-card .btn-sub {
  display: block; border: 1px solid var(--line); background: var(--bg-soft); color: var(--text-2);
  font: 600 13.5px var(--font); padding: 11px; border-radius: var(--r); margin-bottom: 16px;
  transition: all var(--t) var(--ease);
}
.price-card .btn-sub:hover { color: var(--brand); border-color: var(--brand-line); background: var(--brand-soft); }
.price-card .sold-flag {
  background: var(--bg-soft); border-radius: var(--r); padding: 20px; color: var(--text-2); font-size: 14px;
}
.price-card .sold-flag b { color: var(--red); font-size: 17px; display: block; margin-bottom: 4px; }
.trust-list { list-style: none; margin: 16px 0 0; padding: 16px 0 0; border-top: 1px dashed var(--line); text-align: left; }
.trust-list li { font-size: 13px; color: var(--text-2); padding: 6px 0; display: flex; align-items: center; gap: 8px; }
.trust-list li::before { content: ""; width: 16px; height: 16px; border-radius: 50%; flex: none;
  background: var(--green-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%2316a34a' stroke-width='2.4'%3E%3Cpath d='M3 8.5l3.2 3.2L13 5'/%3E%3C/svg%3E") center/10px no-repeat; }

/* 交易流程 */
.dp-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 24px; }
.dp-steps .step { background: var(--bg-soft); border-radius: var(--r-sm); padding: 18px 14px; text-align: center; position: relative; transition: transform var(--t) var(--ease-out), background var(--t) var(--ease); }
.dp-steps .step:hover { transform: translateY(-3px); background: var(--brand-soft); }
.dp-steps .step i { font-style: normal; display: inline-flex; width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(120deg, var(--brand-deep), var(--brand)); color: #fff; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; margin-bottom: 10px; box-shadow: var(--sh-1); }
.dp-steps .step b { display: block; font-size: 14px; }
.dp-steps .step span { font-size: 12px; color: var(--text-3); }
.dp-steps--6 { grid-template-columns: repeat(3, 1fr); }

/* 商标详情Logo */
.tb-biglogo {
  width: 128px; height: 128px; border-radius: 24px; margin: 0 auto 16px;
  background: var(--brand-soft); color: var(--brand);
  display: flex; align-items: center; justify-content: center;
  font-size: 52px; font-weight: 800; overflow: hidden;
  border: 1px solid var(--brand-line);
  box-shadow: var(--sh-2);
}
.tb-biglogo img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.tm-head { text-align: center; }
.tm-head h1 { font-size: 30px !important; }

/* ---------- 商标分类查询页（tm.cn/faq/searchsort 风格） ---------- */
.mb-pagehead--center { text-align: center; }
.mb-pagehead--center::before { left: 50%; transform: translateX(-50%); width: 48px; height: 4px; border-radius: 2px; }

/* 标签页 */
.tm-sort-tabs { display: flex; gap: 8px; margin: 20px 0 0; border-bottom: 1px solid var(--line); }
.tm-sort-tabs a {
  padding: 12px 24px; font-size: 15px; font-weight: 600; color: var(--text-2);
  border-radius: var(--r) var(--r) 0 0; background: var(--bg-soft); border: 1px solid var(--line); border-bottom: 0;
  transition: all var(--t-fast) var(--ease);
}
.tm-sort-tabs a.on { color: #fff; background: var(--brand); border-color: var(--brand); }
.tm-sort-tabs a:not(.on):hover { color: var(--brand); background: #fff; }
.tm-sort-tabs a.disabled { color: var(--text-3); cursor: not-allowed; }

/* 搜索面板 */
.tm-sort-panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--sh-1); padding: 28px 32px; margin: 0 0 20px; }
.tm-sort-form { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.tm-sort-form input {
  flex: 1; min-width: 220px; border: 1px solid var(--brand-line); border-radius: var(--r-sm); padding: 12px 16px;
  font: 15px var(--font); outline: none; transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.tm-sort-form input:focus { border-color: var(--brand); box-shadow: 0 0 0 4px var(--brand-soft); }
.tm-sort-form button {
  flex: none; border: 0; cursor: pointer; border-radius: var(--r-sm); padding: 0 32px; height: 46px;
  background: linear-gradient(120deg, var(--brand-deep), var(--brand)); color: #fff; font: 700 15px var(--font); transition: filter var(--t) var(--ease);
}
.tm-sort-form button:hover { filter: brightness(1.08); }
.tm-export {
  flex: none; display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--brand);
  border: 1px solid var(--brand-line); border-radius: var(--r-sm); padding: 0 16px; height: 46px; background: var(--brand-soft);
  transition: all var(--t-fast) var(--ease);
}
.tm-export:hover { background: var(--brand); color: #fff; }
.tm-export::before {
  content: ""; width: 16px; height: 16px; background: currentColor;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4'/%3E%3Cpolyline points='7 10 12 15 17 10'/%3E%3Cline x1='12' y1='15' x2='12' y2='3'/%3E%3C/svg%3E") center/contain no-repeat;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4'/%3E%3Cpolyline points='7 10 12 15 17 10'/%3E%3Cline x1='12' y1='15' x2='12' y2='3'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* 热门行业 */
.tm-sort-hot { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 18px; padding-top: 18px; border-top: 1px dashed var(--line); }
.tm-sort-hot span { font-size: 13.5px; color: var(--brand); font-weight: 600; }
.tm-sort-hot a {
  font-size: 13.5px; color: var(--text-2); background: var(--bg-soft); border-radius: var(--r-pill);
  padding: 6px 14px; transition: all var(--t-fast) var(--ease);
}
.tm-sort-hot a:hover { background: var(--brand); color: #fff; }

/* 搜索结果统计 */
.tm-sort-resultbar { font-size: 14px; color: var(--text-2); margin: 0 0 16px; }
.tm-sort-resultbar b { color: var(--brand); }
.tm-sort-resultbar a { color: var(--brand); margin-left: 10px; text-decoration: underline; text-underline-offset: 3px; }

/* 分类列表（详细描述版） */
.tm-sort-list { display: grid; gap: 14px; margin: 22px 0 40px; }
.tm-sort-list--detail .tm-sort-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 20px 24px;
  box-shadow: var(--sh-1); transition: box-shadow var(--t) var(--ease), border-color var(--t) var(--ease);
}
.tm-sort-list--detail .tm-sort-card:hover { box-shadow: var(--sh-2); border-color: var(--brand-line); }
.tm-sort-list--detail h3 { margin: 0 0 10px; font-size: 17px; font-weight: 700; color: var(--brand-deep); display: flex; align-items: center; gap: 10px; }
.tm-sort-list--detail h3 .tm-sort-no { flex: none; width: auto; height: auto; line-height: 1.5; white-space: nowrap; font-size: 14px; font-weight: 800; color: var(--brand); background: var(--brand-soft); border-radius: var(--r-sm); padding: 4px 10px; }
.tm-sort-list--detail p { margin: 0; font-size: 14px; color: var(--text-2); line-height: 1.8; }
.tm-sort-list--detail mark { background: var(--brand-soft); color: var(--brand); padding: 0 3px; border-radius: 3px; font-weight: 600; }

/* 旧版兼容（items 标签式） */
.tm-sort-hd { display: flex; align-items: center; gap: 14px; padding: 18px 22px; background: linear-gradient(90deg, var(--brand-bg), #fff); border-bottom: 1px solid var(--line); }
.tm-sort-no { flex: none; width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: linear-gradient(120deg, var(--brand-deep), var(--brand)); color: #fff; font-size: 15px; font-weight: 800; box-shadow: var(--sh-1); }
.tm-sort-name { flex: 1; font-size: 18px; font-weight: 700; color: var(--brand-deep); }
.tm-sort-count { flex: none; font-size: 12.5px; color: var(--text-3); background: #fff; border: 1px solid var(--line); border-radius: var(--r-pill); padding: 4px 12px; }
.tm-sort-body { padding: 16px 22px; display: flex; flex-wrap: wrap; gap: 10px; }
.tm-sort-item { font-size: 13.5px; color: var(--text-2); background: var(--bg-soft); border-radius: var(--r-pill); padding: 6px 14px; transition: all var(--t-fast) var(--ease); }
.tm-sort-item:hover { background: var(--brand-soft); color: var(--brand); }
.tm-sort-item mark { background: var(--brand-soft); color: var(--brand); padding: 0 2px; border-radius: 3px; font-weight: 700; }

/* ---------- 询价弹窗 ---------- */
.inq-mask {
  position: fixed; inset: 0; z-index: 300; display: none;
  align-items: center; justify-content: center; padding: 20px;
  background: rgba(15,25,45,.55); backdrop-filter: blur(3px);
}
.inq-mask.show { display: flex; }
.inq-box {
  width: 100%; max-width: 420px; max-height: 90vh; overflow-y: auto;
  background: #fff; border-radius: var(--r-lg); box-shadow: var(--sh-4);
  animation: inqIn .22s var(--ease-out);
}
@keyframes inqIn { from { opacity: 0; transform: translateY(14px) scale(.98); } to { opacity: 1; transform: none; } }
.inq-hd { display: flex; align-items: center; padding: 18px 22px; border-bottom: 1px solid var(--line); }
.inq-hd b { flex: 1; font-size: 17px; color: var(--brand-deep); }
.inq-hd button { border: 0; background: transparent; font-size: 24px; line-height: 1; color: var(--text-3); cursor: pointer; padding: 0 4px; }
.inq-hd button:hover { color: var(--red); }
.inq-asset { margin: 0 22px; padding: 12px 14px; background: var(--brand-bg); border-radius: var(--r-sm); font-size: 13.5px; color: var(--text-2); margin-top: 16px; }
.inq-asset b { color: var(--brand-deep); }
.inq-asset em { font-style: normal; color: var(--red); font-weight: 700; }
#inqForm { padding: 16px 22px 22px; }
.inq-field { display: block; margin-bottom: 12px; }
.inq-field span { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 5px; }
.inq-field i { color: var(--red); font-style: normal; }
.inq-field input, .inq-field textarea {
  width: 100%; border: 1px solid var(--line); border-radius: var(--r-sm); padding: 10px 12px;
  font: 14px var(--font); outline: none; transition: border-color var(--t) var(--ease);
}
.inq-field textarea { resize: vertical; }
.inq-field input:focus, .inq-field textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 4px var(--brand-soft); }
.inq-submit {
  width: 100%; border: 0; cursor: pointer; border-radius: var(--r-sm); height: 44px;
  background: linear-gradient(120deg, var(--brand-deep), var(--brand)); color: #fff; font: 700 15px var(--font); transition: filter var(--t) var(--ease);
}
.inq-submit:hover { filter: brightness(1.08); }
.inq-submit:disabled { opacity: .6; cursor: default; }
.inq-tip { margin-top: 10px; font-size: 12px; color: var(--text-3); text-align: center; }
.inq-ok { text-align: center; padding: 20px 0; }
.inq-ok b { display: block; font-size: 18px; color: var(--green); margin-bottom: 8px; }
.inq-ok p { font-size: 14px; color: var(--text-2); }

/* ---------- 帮助中心 FAQ 折叠 ---------- */
.mb-faq { border-bottom: 1px dashed var(--line); }
.mb-faq:last-of-type { border-bottom: 0; }
.mb-faq summary {
  cursor: pointer; padding: 12px 0; font-size: 15px; font-weight: 600; color: var(--text);
  list-style: none; display: flex; align-items: baseline; gap: 8px;
  transition: color var(--t-fast) var(--ease);
}
.mb-faq summary::-webkit-details-marker { display: none; }
.mb-faq summary::before {
  content: "＋"; flex: none; color: var(--brand); font-weight: 700; font-size: 14px;
  transition: transform var(--t) var(--ease);
}
.mb-faq[open] summary::before { content: "－"; }
.mb-faq summary:hover { color: var(--brand); }
.faq-a { padding: 0 0 14px 22px; font-size: 14px; color: var(--text-2); line-height: 1.85; }

/* ---------- 富文本/介绍块 ---------- */
.mb-richtext { margin-top: 20px; }
.mb-richtext h3 { margin: 0 0 12px; font-size: 17px; font-weight: 700; border-left: 4px solid var(--brand); padding-left: 12px; }
.mb-richtext .rt { font-size: 14.5px; color: var(--text-2); line-height: 1.85; }
.mb-richtext .rt p { margin: 10px 0; }

/* ---------- 首页交易保障（4 承诺信任背书） ---------- */
.mb-trust { padding: 8px 0 16px; }
.mb-trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.mb-trust-item {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
  box-shadow: var(--sh-card); padding: 28px 22px; text-align: center;
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease), border-color var(--t) var(--ease);
}
.mb-trust-item:hover { border-color: var(--brand-line); box-shadow: var(--sh-2); transform: translateY(-3px); }
.mb-trust-ico {
  width: 52px; height: 52px; margin: 0 auto 16px; display: flex; align-items: center; justify-content: center;
  border-radius: 14px; background: var(--brand-soft); color: var(--brand);
}
.mb-trust-ico svg { width: 26px; height: 26px; }
.mb-trust-item h3 { margin: 0 0 8px; font-size: 16px; font-weight: 700; color: var(--ink); }
.mb-trust-item p { margin: 0; font-size: 13px; color: var(--text-3); line-height: 1.7; }
@media (max-width: 900px) { .mb-trust-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .mb-trust-grid { grid-template-columns: 1fr; } }

/* ---------- 交易保障 · 深色品牌底变体（与服务范围白卡形成区隔，衔接深蓝页脚） ---------- */
.mb-trust--dark {
  background: linear-gradient(135deg, var(--brand-deep) 0%, #083A8C 100%);
  border-radius: 18px;
  padding: 32px 30px 30px;
  box-shadow: var(--sh-2);
}
.mb-trust--dark .mb-sec-head { margin-bottom: 24px; }
.mb-trust--dark .mb-sec-head h2 { color: #fff; }
.mb-trust--dark .mb-sec-head h2::before { background: linear-gradient(180deg, #4DB3FF, #1890FF); }
.mb-trust--dark .mb-sec-head h2 i { color: #4DB3FF; }
.mb-trust--dark .mb-sec-head .sub { color: rgba(255,255,255,.65); }
.mb-trust--dark .mb-trust-item {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: none;
}
.mb-trust--dark .mb-trust-item:hover {
  background: rgba(255,255,255,.10);
  border-color: rgba(255,255,255,.30);
  box-shadow: 0 10px 26px rgba(0,0,0,.28);
  transform: translateY(-3px);
}
.mb-trust--dark .mb-trust-ico { background: rgba(255,255,255,.12); color: #7CC4FF; }
.mb-trust--dark .mb-trust-item h3 { color: #fff; }
.mb-trust--dark .mb-trust-item p { color: rgba(255,255,255,.72); }
@media (max-width: 560px) { .mb-trust--dark { padding: 24px 16px; border-radius: 14px; } }

/* ---------- 页脚（深蓝底 + 白字） ---------- */
.mb-footer { background: linear-gradient(180deg, var(--brand-deep) 0%, #083A8C 100%); border-top: 0; margin-top: 56px; padding: 48px 0 0; color: rgba(255,255,255,.85); }
.mb-footer-grid { display: grid; grid-template-columns: minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1.2fr); gap: 32px; padding-bottom: 32px; }
.mb-footer-grid.cols-3 { grid-template-columns: minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr); }
.mb-footer h4 { margin: 0 0 14px; font-size: 15px; font-weight: 700; color: #fff; }
.mb-footer .fcol a, .mb-footer .fcol p { display: block; font-size: 13.5px; color: rgba(255,255,255,.72); padding: 5px 0; transition: color var(--t-fast) var(--ease); }
.mb-footer .fcol a:hover { color: #fff; }
.mb-footer .fcol span.ftxt { display: block; font-size: 13.5px; color: rgba(255,255,255,.72); padding: 5px 0; }
.mb-footer .fbrand { margin-bottom: 12px; }
.mb-footer .fbrand-logo { height: 40px; width: auto; display: block; }
.mb-footer .fabout { font-size: 13.5px; color: rgba(255,255,255,.65); margin-top: 8px; line-height: 1.7; }
.mb-footer .contact b { color: #fff; font-size: 17px; }
.mb-footer .f-copy {
  display: inline-block; margin-left: 8px; padding: 1px 9px;
  font-size: 11.5px; line-height: 1.7; vertical-align: middle;
  color: rgba(255,255,255,.78); background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.24); border-radius: 999px;
  cursor: pointer; transition: all var(--t-fast) var(--ease);
}
.mb-footer .f-copy:hover { background: rgba(255,255,255,.22); color: #fff; border-color: rgba(255,255,255,.4); }
.mb-footer .f-copy.copied { background: var(--brand); border-color: var(--brand); color: #fff; }
/* 联系我们列：链接恢复行内（否则被全局 .fcol a 的 display:block 撑成换行），
   整行 flex：左侧「标签：值」、复制按钮统一右对齐 */
.mb-footer .fcol.contact a { display: inline; padding: 0; }
.mb-footer .fcol.contact p.fcontact { display: flex; align-items: center; gap: 8px; }
.mb-footer .fcol.contact .fcontact-txt { flex: 1; min-width: 0; }
.mb-footer .fcol.contact .f-copy { margin-left: auto; flex: none; }
.mb-footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 18px 0; display: flex; gap: 14px; align-items: center;
  font-size: 12.5px; color: rgba(255,255,255,.55); flex-wrap: wrap; }
.mb-footer-bottom .right { margin-left: auto; }
.mb-friendlinks { padding: 0 0 24px; font-size: 13px; color: rgba(255,255,255,.55); }
.mb-friendlinks a { color: rgba(255,255,255,.72); margin: 0 12px 0 0; display: inline-block; padding: 3px 0; }
.mb-friendlinks a:hover { color: #fff; }

/* ---------- 浮动工具 ---------- */
.mb-float { position: fixed; right: 20px; bottom: calc(60px + env(safe-area-inset-bottom)); z-index: 90; display: flex; flex-direction: column; gap: 12px; }
.mb-float a {
  width: 48px; height: 48px; border-radius: 50%; background: #fff; border: 1px solid var(--line);
  box-shadow: var(--sh-2); display: flex; align-items: center; justify-content: center;
  transition: all var(--t) var(--ease-out); position: relative;
}
.mb-float a:hover { transform: translateY(-3px); box-shadow: var(--sh-3); color: var(--brand); border-color: var(--brand-line); }
.mb-float a.qq { background: linear-gradient(120deg, var(--brand-deep), var(--brand)); border: 0; color: #fff; }
.mb-float a.qq::before {  /* 呼吸光晕 */
  content: ""; position: absolute; inset: -4px; border-radius: 50%;
  background: rgba(47,107,240,.4); z-index: -1; animation: mbPulse 2.4s ease-out infinite;
}
@keyframes mbPulse { 0% { transform: scale(.9); opacity: .6; } 70% { transform: scale(1.4); opacity: 0; } 100% { opacity: 0; } }
.mb-float a span.tip {
  position: absolute; right: 58px; top: 50%; transform: translateY(-50%) translateX(6px);
  background: var(--text); color: #fff; font-size: 12px; padding: 6px 12px; border-radius: 8px;
  white-space: nowrap; opacity: 0; pointer-events: none; transition: all var(--t) var(--ease);
}
.mb-float a:hover span.tip { opacity: 1; transform: translateY(-50%) translateX(0); }
.mb-float svg { width: 20px; height: 20px; }

/* ---------- Toast ---------- */
.mb-toast {
  position: fixed; left: 50%; bottom: 40px; transform: translateX(-50%) translateY(20px);
  background: var(--text); color: #fff; font-size: 13.5px; padding: 11px 24px; border-radius: var(--r-pill);
  box-shadow: var(--sh-3); opacity: 0; pointer-events: none; transition: all var(--t) var(--ease-out); z-index: 200;
}
.mb-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- 入场动效（IntersectionObserver 触发，footer 脚本驱动） ---------- */
.js-reveal .reveal { opacity: 0; transform: translateY(16px); transition: opacity .5s var(--ease-out), transform .5s var(--ease-out); }
.js-reveal .reveal.in { opacity: 1; transform: none; }
.js-reveal .m-grid .m-card.reveal { transition-delay: calc(var(--i, 0) * 45ms); }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .mb-detail { grid-template-columns: minmax(0, 1fr); }
  .price-card { position: static; }
  .mb-footer-grid, .mb-footer-grid.cols-3 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .dp-steps, .dp-steps--6 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
  .m-container { padding: 0 16px; }
  .mb-topbar-in { height: 58px; gap: 12px; }
  .mb-logo-img { height: 32px; width: auto; }
  .mb-notice-right { display: none; }
  .mb-search { min-width: 0; }
  .mb-search-tabs { display: none; }
  .mb-top-right { display: none; }
  .mb-hero { padding: 36px 0 28px; }
  .mb-hero .big-search { border-radius: 12px; }
  .mb-hero .big-search input { padding: 12px 16px; }
  .mb-hero .big-search button { border-radius: 0; padding: 0 18px; }
  .mb-hero-stats { gap: 8px; }
  .mb-hero-stats div { padding: 6px 12px; font-size: 12px; }
  .mb-hero-stats b { font-size: 16px; }
  .m-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
  .m-card { padding: 13px 13px 11px; }
  .m-card__img { margin: -13px -13px 10px; width: calc(100% + 26px); }
  .m-card__name { font-size: 15px; }
  .m-card__meaning { white-space: normal; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; }
  .m-card--tm .tb-logo { width: 56px; height: 56px; font-size: 22px; border-radius: 14px; }
  .mb-pagehead { padding: 20px 18px; }
  .mb-pagehead h1 { font-size: 19px; }
  .mb-detail .main-panel h1 { font-size: 24px; }
  .mb-panel { padding: 20px; }
  .mb-toolbar .mb-search { min-width: 0; }
  .mb-chips { max-height: 120px; overflow-y: auto; }
  .mb-footer-grid, .mb-footer-grid.cols-3 { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .mb-float { right: 12px; bottom: calc(20px + env(safe-area-inset-bottom)); }
  .mb-float a { width: 44px; height: 44px; }
  .mb-filter { padding: 12px 14px; }
  .mb-filter .frow { flex-wrap: wrap; gap: 8px; }
  .mb-filter .flabel { width: 100%; line-height: 22px; }
  .mb-filter .fchips a { padding: 5px 11px; font-size: 12.5px; }
}
@media (max-width: 768px) {
  /* 移动端导航：手风琴展开。drop 用 display:contents 让面板成为导航行的
     独立 flex 项（flex-basis:100% 独占一行），避免 inline-flex 收缩宽度导致面板溢出 */
  .mb-navbar { position: relative; top: auto; box-shadow: none; }  /* 移动端取消吸顶（蓝条随滚动滑走） */
  .mb-nav-in { height: auto; flex-wrap: wrap; padding: 8px 0; gap: 6px; }
  .mb-nav-drop { display: contents; }
  .mb-nav-panel {
    position: static; min-width: 0; width: 100%; flex-basis: 100%; margin-top: 4px; padding: 8px;
    border: 1px solid var(--line); border-radius: var(--r-md); background: #fff; box-shadow: var(--sh-1);
    display: none; opacity: 1; visibility: visible; transform: none;
    grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px;
    animation: navDropIn .2s var(--ease-out);
  }
  @keyframes navDropIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
  .mb-nav-drop:hover .mb-nav-panel { display: none; }
  .mb-nav-drop.open .mb-nav-panel { display: grid; }
  .mb-nav-panel a { font-size: 13.5px; padding: 11px 12px; white-space: normal; background: var(--bg-soft); }
  .mb-nav-panel a:hover, .mb-nav-panel a.on { background: var(--brand-soft); }
  .mb-nav-panel a.mb-nav-all { margin-bottom: 2px; padding-bottom: 11px; background: var(--brand-bg); }
  .mb-nav-panel a span, .mb-nav-panel a em { font-size: 11px; }
  .mb-nav-caret { width: 44px; height: 44px; }
  .mb-nav-caret svg { width: 16px; height: 16px; }
  .mb-nav-in > a, .mb-nav-trigger { padding: 11px 14px; font-size: 15px; }
}
@media (max-width: 480px) {
  .mb-sec-head .sub { display: none; }
  .mb-sec-head .more { margin-left: auto; }
}
@media (max-width: 420px) {
  .m-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mb-chips a, .mb-chips span.chip { padding: 4px 10px; font-size: 12px; }
}

/* 动效偏好 */
@media (prefers-reduced-motion: reduce) {
  * { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
  .js-reveal .reveal { opacity: 1 !important; transform: none !important; }
}