/* ==================================================================
   会议服务官网 v10 · 商务白 · 主样式
   设计基调：白底 92% + 深海蓝品牌色 + 一抹金作为细节
   目标：和 chinayatou.com 板块一一对应，视觉更高端、更统一
   ================================================================== */

:root {
  /* 品牌：深海蓝（会议/国际/专业感） */
  --brand:        #0E5C8A;
  --brand-dark:   #0A4368;
  --brand-deep:   #08324D;
  --brand-light:  #1A7BB0;
  --brand-soft:   #EAF3F9;
  --brand-mist:   #F4F9FC;

  /* 点缀金 */
  --gold:         #C4974E;
  --gold-soft:    #F7EFE1;

  /* 中性 */
  --ink:          #14202B;
  --ink-2:        #46545F;
  --ink-3:        #7C8894;
  --ink-4:        #A9B4BE;
  --line:         #E6EBF0;
  --line-2:       #D5DDE4;
  --bg:           #FFFFFF;
  --bg-2:         #F7FAFC;
  --bg-3:         #F1F5F8;

  --r-xs: 6px;
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;

  --sh-1: 0 1px 2px rgba(20, 32, 43, .04);
  --sh-2: 0 2px 8px rgba(20, 32, 43, .05), 0 10px 30px -18px rgba(20, 32, 43, .18);
  --sh-3: 0 8px 24px rgba(20, 32, 43, .07), 0 32px 64px -32px rgba(20, 32, 43, .26);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-num: "SF Pro Display", -apple-system, "Helvetica Neue", Arial, sans-serif;
  --maxw: 1280px;
  --hh: 76px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

.wrap, .y-container {
  /* 关键：width:100% + padding 在 content-box 下会让内容区超出 max-width，导致左右留白被撑开 */
  box-sizing: border-box;
  width: 100%;
  max-width: calc(var(--maxw) + 48px);
  margin: 0 auto;
  padding: 0 24px;
}

::selection { background: var(--brand); color: #fff; }

/* ================= 顶部信息条 ================= */
.y-topbar {
  background: var(--brand-deep);
  color: rgba(255, 255, 255, .72);
  font-size: 12.5px;
  line-height: 1;
  height: 38px;
}
.y-topbar .y-container { display: flex; align-items: center; justify-content: space-between; height: 38px; gap: 16px; }
.y-topbar-left, .y-topbar-right { display: flex; align-items: center; gap: 18px; min-width: 0; }
.y-topbar a { color: rgba(255, 255, 255, .72); display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; transition: color .15s; }
.y-topbar a:hover { color: #fff; }
.y-topbar .dot { width: 3px; height: 3px; border-radius: 50%; background: rgba(255, 255, 255, .3); }
.y-topbar b { color: #fff; font-weight: 600; letter-spacing: .02em; }

/* ================= 头部 / 导航 ================= */
.y-header {
  position: relative;
  z-index: 120;
  background: #fff;
  border-bottom: 1px solid var(--line);
  height: var(--hh);
}
.y-header.sticky {
  position: sticky;
  top: 0;
  box-shadow: 0 1px 0 var(--line), 0 8px 28px -20px rgba(20, 32, 43, .28);
}
.y-header-inner {
  display: flex;
  align-items: center;
  height: var(--hh);
  gap: 24px;
}

/* Logo */
.y-brand { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; min-width: 0; }
.y-brand-wrap { flex: 0 0 auto; min-width: 0; display: flex; }
.y-brand-gap { display: none; }
.y-brand-txt { overflow: hidden; }
.y-logo-img { height: 56px; width: auto; object-fit: contain; }
.y-brand-mark {
  width: 42px; height: 42px; border-radius: 11px;
  background: linear-gradient(140deg, var(--brand-light), var(--brand-dark));
  color: #fff; display: grid; place-items: center;
  font-weight: 700; font-size: 19px; letter-spacing: -.02em;
  box-shadow: 0 4px 14px rgba(14, 92, 138, .28);
}
.y-brand-txt { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.y-brand-txt b { font-size: 15.5px; font-weight: 700; color: var(--ink); letter-spacing: .01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.y-brand-txt small { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.y-brand-txt small { font-size: 9px; color: var(--ink-3); letter-spacing: .05em; text-transform: uppercase; font-weight: 500; }
.y-brand-txt b, .y-brand-txt small { max-width: 124px; }

/* 主导航 */
/* 导航容器：用 block + inline-flex 让菜单整体右对齐（flex 父级下会出现宽度计算偏差） */
.y-nav { display: block; flex: 0 1 auto; min-width: 0; margin-left: auto; padding: 0; text-align: right; }
.y-nav-list {
  display: inline-flex; vertical-align: middle; text-align: left;
  align-items: center; justify-content: flex-end;
  gap: 0; flex-wrap: nowrap;
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
  text-indent: 0;
}
.y-nav-list li { list-style: none !important; margin: 0; text-indent: 0; }
.y-nav-item { position: relative; flex: 0 0 auto; }
.y-nav-item > a {
  display: flex; align-items: center; gap: 4px;
  padding: 0 10px; height: var(--hh);
  font-size: 14.4px; font-weight: 500; color: var(--ink-2);
  white-space: nowrap; position: relative;
  transition: color .16s;
}
.y-nav-item > a::after {
  content: ''; position: absolute; left: 11px; right: 11px; bottom: 0;
  height: 2px; background: var(--brand); border-radius: 2px 2px 0 0;
  transform: scaleX(0); transform-origin: center; transition: transform .22s ease;
}
.y-nav-item > a:hover { color: var(--brand); }
.y-nav-item > a:hover::after,
.y-nav-item.is-active > a::after { transform: scaleX(1); }
.y-nav-item.is-active > a { color: var(--brand); font-weight: 600; }
.y-caret { width: 9px; height: 9px; opacity: .45; transition: transform .2s; }
.y-nav-item:hover .y-caret { transform: rotate(180deg); opacity: .8; }

/* 抽屉专属元素：桌面端一律隐藏 */
.y-nav-head, .y-nav-close, .y-nav-foot { display: none; }

/* 下拉 */
.y-drop {
  position: absolute; top: 100%; left: 50%;
  transform: translate(-50%, 8px);
  min-width: 190px; padding: 8px;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-3);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
  z-index: 60;
}
.y-nav-item:hover .y-drop { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0); }
.y-drop a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 13px; border-radius: var(--r-sm);
  font-size: 14px; color: var(--ink-2); white-space: nowrap;
  transition: background .14s, color .14s;
}
.y-drop a:hover { background: var(--brand-soft); color: var(--brand); }
.y-drop a.active { background: var(--brand-soft); color: var(--brand); font-weight: 600; }
.y-drop a i { opacity: 0; transform: translateX(-4px); transition: .16s; }
.y-drop a:hover i { opacity: .6; transform: none; }

/* 右侧操作区 */
.y-head-act { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.y-tel { display: flex; align-items: center; gap: 9px; padding-left: 18px; border-left: 1px solid var(--line); }
.y-tel-ic { width: 34px; height: 34px; border-radius: 50%; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; flex: 0 0 auto; }
.y-tel-tx { display: flex; flex-direction: column; line-height: 1.2; }
.y-tel-tx small { font-size: 10.5px; color: var(--ink-3); letter-spacing: .05em; }
.y-tel-tx b { font-size: 15px; color: var(--ink); font-weight: 700; letter-spacing: .01em; white-space: nowrap; font-family: var(--font-num); }
.y-btn-cta {
  display: inline-flex; align-items: center; gap: 7px;
  height: 40px; padding: 0 18px; border-radius: 999px;
  background: var(--brand); color: #fff; font-size: 14px; font-weight: 600;
  border: 0; cursor: pointer; white-space: nowrap;
  box-shadow: 0 4px 14px -4px rgba(14, 92, 138, .5);
  transition: background .18s, transform .18s, box-shadow .18s;
}
.y-btn-cta:hover { background: var(--brand-dark); transform: translateY(-1px); box-shadow: 0 8px 20px -6px rgba(14, 92, 138, .55); }

/* 汉堡 */
.y-burger {
  display: none; width: 42px; height: 42px; border-radius: 11px;
  border: 1px solid var(--line); background: #fff; cursor: pointer;
  align-items: center; justify-content: center; color: var(--ink-2);
}

/* ================= 通用板块 ================= */
.y-sec { padding: 20px 0; position: relative; }
.y-sec.alt { background: var(--bg-2); }
.y-sec.tight { padding: 56px 0; }

.y-head { text-align: center; margin-bottom: 42px; }
.y-head.left { text-align: left; }
.y-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11.5px; font-weight: 600; letter-spacing: .18em;
  text-transform: uppercase; color: var(--brand); margin-bottom: 10px;
}
.y-eyebrow::before { content: ''; width: 22px; height: 1px; background: var(--brand); opacity: .5; }
.y-head h2 {
  margin: 0 0 12px; font-size: 30px; line-height: 1.28;
  font-weight: 700; color: var(--ink); letter-spacing: -.01em;
}
.y-head h2 em { font-style: normal; color: var(--brand); }
.y-head p { margin: 0; font-size: 14.5px; color: var(--ink-3); max-width: 640px; }
.y-head.left p { max-width: 560px; }

.y-head-row {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; margin-bottom: 38px;
}
.y-head-row .y-head { margin-bottom: 0; text-align: left; }
.y-more {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13.5px; font-weight: 600; color: var(--ink-2);
  padding-bottom: 3px; border-bottom: 1px solid var(--line-2);
  white-space: nowrap; transition: color .16s, border-color .16s;
}
.y-more:hover { color: var(--brand); border-color: var(--brand); }

/* 通用按钮 */
.y-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 24px; border-radius: 999px;
  font-size: 14.5px; font-weight: 600; cursor: pointer;
  border: 1px solid transparent; transition: all .18s;
}
.y-btn-primary { background: var(--brand); color: #fff; box-shadow: 0 6px 18px -8px rgba(14, 92, 138, .6); }
.y-btn-primary:hover { background: var(--brand-dark); transform: translateY(-1px); }
.y-btn-ghost { background: #fff; color: var(--ink-2); border-color: var(--line-2); }
.y-btn-ghost:hover { color: var(--brand); border-color: var(--brand); }
.y-btn-light { background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.4); backdrop-filter: blur(6px); }
.y-btn-light:hover { background: rgba(255,255,255,.24); }

/* ================= 1. 首屏轮播 ================= */
.y-hero {
  position: relative; height: 620px; overflow: hidden; background: var(--brand-deep);
}
.y-hero-slide {
  position: absolute; inset: 0;
  opacity: 0; visibility: hidden;
  transition: opacity 1s ease, visibility 1s;
}
.y-hero-slide.on { opacity: 1; visibility: visible; }
.y-hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transform: scale(1.06);
  transition: transform 7s ease;
}
.y-hero-slide.on .y-hero-bg { transform: scale(1); }
.y-hero-shade {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(8, 50, 77, .88) 0%, rgba(8, 50, 77, .62) 42%, rgba(8, 50, 77, .18) 100%);
}
.y-hero-inner {
  position: relative; height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  max-width: 720px;
}
.y-hero-slide .y-container { height: 100%; }
.y-hero-eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 12px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase;
  color: rgba(255, 255, 255, .82); margin-bottom: 20px;
}
.y-hero-eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--gold); }
.y-hero h1 {
  margin: 0 0 18px; font-size: 46px; line-height: 1.24;
  color: #fff; font-weight: 700; letter-spacing: -.015em;
}
.y-hero h1 em { font-style: normal; color: #F0CE93; }
.y-hero-sub {
  margin: 0 0 32px; font-size: 16px; line-height: 1.85;
  color: rgba(255, 255, 255, .78); max-width: 560px;
}
.y-hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.y-hero-nav {
  position: absolute; bottom: 44px; left: 0; right: 0; z-index: 5;
}
.y-hero-nav .y-container { display: flex; align-items: center; justify-content: space-between; }
.y-hero-nums { display: flex; align-items: center; gap: 22px; }
.y-hero-num {
  background: none; border: 0; padding: 0; cursor: pointer;
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-num); font-size: 13px; font-weight: 600;
  color: rgba(255, 255, 255, .42); transition: color .2s;
  position: relative;
}
.y-hero-num::after {
  content: ''; width: 0; height: 2px; background: #fff; border-radius: 2px;
  transition: width .3s;
}
.y-hero-num.on { color: #fff; }
.y-hero-num.on::after { width: 26px; }
.y-hero-arrows { display: flex; gap: 10px; }
.y-hero-arrow {
  width: 42px; height: 42px; border-radius: 50%; cursor: pointer;
  border: 1px solid rgba(255, 255, 255, .32); background: rgba(255, 255, 255, .08);
  color: #fff; display: grid; place-items: center;
  backdrop-filter: blur(8px); transition: all .18s;
}
.y-hero-arrow:hover { background: #fff; color: var(--brand-deep); border-color: #fff; }

/* 服务热线浮卡（右下） */
.y-hero-card {
  position: absolute; right: 96px; bottom: 44px; z-index: 6;
  background: rgba(255, 255, 255, .97);
  border-radius: var(--r-lg); padding: 20px 24px;
  box-shadow: var(--sh-3);
  display: flex; align-items: center; gap: 15px;
  backdrop-filter: blur(10px);
}
.y-hero-card .hc-ic {
  width: 44px; height: 44px; border-radius: 13px;
  background: var(--brand-soft); color: var(--brand);
  display: grid; place-items: center; flex: 0 0 auto;
}
.y-hero-card small { display: block; font-size: 11.5px; color: var(--ink-3); margin-bottom: 1px; }
.y-hero-card b { font-size: 20px; color: var(--ink); font-weight: 700; font-family: var(--font-num); letter-spacing: .01em; }

/* ================= 2. 主推会议（横向滑动卡片） ================= */
.y-slider-wrap { position: relative; }
.y-slider {
  display: flex; gap: 22px; overflow-x: auto; scroll-behavior: smooth;
  padding: 4px 0 26px; scrollbar-width: none;
}
.y-slider::-webkit-scrollbar { display: none; }
.y-slider > * { flex: 0 0 268px; }

.mt-card {
  display: flex; flex-direction: column; align-self: flex-start;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-md); overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s;
}
.mt-card:hover { transform: translateY(-6px); box-shadow: var(--sh-3); border-color: transparent; }
.mt-thumb { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-3); }
.mt-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.mt-card:hover .mt-thumb img { transform: scale(1.07); }
.mt-thumb .ph {
  position: absolute; inset: 0; display: grid; place-items: center;
  color: var(--ink-4); background: linear-gradient(135deg, #EDF3F7, #F7FAFC);
}
.mt-badge {
  position: absolute; left: 12px; top: 12px;
  padding: 3px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 600; letter-spacing: .04em;
  background: rgba(196, 151, 78, .95); color: #fff;
  backdrop-filter: blur(4px);
}
.mt-body { padding: 16px 17px 18px; }
.mt-cat {
  display: inline-block; font-size: 11.5px; font-weight: 600;
  color: var(--brand); background: var(--brand-soft);
  padding: 2px 9px; border-radius: 5px; margin-bottom: 9px;
}
.mt-body h3 {
  margin: 0 0 10px; font-size: 15px; line-height: 1.55; font-weight: 600; color: var(--ink);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  min-height: 46px;
}
.mt-card:hover .mt-body h3 { color: var(--brand); }
.mt-meta { display: flex; flex-direction: column; gap: 5px; }
.mt-meta span { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--ink-3); }
.mt-meta svg { opacity: .55; flex: 0 0 auto; }

.y-slider-arrows { display: flex; gap: 8px; }
.y-sl-arrow {
  width: 38px; height: 38px; border-radius: 50%; cursor: pointer;
  border: 1px solid var(--line-2); background: #fff; color: var(--ink-2);
  display: grid; place-items: center; transition: all .18s;
}
.y-sl-arrow:hover:not(:disabled) { background: var(--brand); border-color: var(--brand); color: #fff; }
.y-sl-arrow:disabled { opacity: .35; cursor: not-allowed; }

/* ================= 3. 新闻三列 ================= */
.y-news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md);
  overflow: hidden; transition: transform .25s, box-shadow .25s, border-color .25s;
}
.news-card:hover { transform: translateY(-5px); box-shadow: var(--sh-3); border-color: transparent; }
.news-card .n-img { position: relative; aspect-ratio: 16 / 10; background: var(--bg-3); overflow: hidden; }
.news-card .n-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.news-card:hover .n-img img { transform: scale(1.06); }
.news-card .n-ph {
  position: absolute; inset: 0; display: grid; place-items: center;
  background: linear-gradient(135deg, #EDF3F7, #F8FBFD); color: var(--ink-4);
}
.news-card .n-body { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; }
.news-card .n-date {
  display: flex; align-items: center; gap: 7px;
  font-size: 12.5px; color: var(--ink-3); margin-bottom: 9px;
  font-family: var(--font-num);
}
.news-card .n-date .tag {
  font-family: var(--font); font-size: 11px; font-weight: 600;
  color: var(--brand); background: var(--brand-soft);
  padding: 1px 8px; border-radius: 4px;
}
.news-card h3 {
  margin: 0 0 10px; font-size: 16px; line-height: 1.55; font-weight: 600; color: var(--ink);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-card:hover h3 { color: var(--brand); }
.news-card p {
  margin: 0 0 14px; font-size: 13.5px; line-height: 1.75; color: var(--ink-3);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  flex: 1;
}
.news-card .n-read { font-size: 13px; font-weight: 600; color: var(--brand); display: inline-flex; align-items: center; gap: 5px; }

/* ================= 4. 左图右列表（境外学术交流 / 医疗体检） ================= */
.y-split { display: grid; grid-template-columns: 1.02fr 1fr; gap: 54px; align-items: center; }
.y-split.rev { grid-template-columns: 1fr 1.02fr; }
.y-split-visual { position: relative; }
.y-split-img {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  aspect-ratio: 4 / 3.05; background: var(--bg-3); box-shadow: var(--sh-2);
}
.y-split-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.y-split-visual:hover .y-split-img img { transform: scale(1.04); }
.y-split-img .ph { position: absolute; inset: 0; display: grid; place-items: center; color: var(--ink-4); }
.y-split-badge {
  position: absolute; right: -16px; bottom: -16px;
  background: var(--brand); color: #fff;
  border-radius: var(--r-md); padding: 16px 22px;
  box-shadow: 0 14px 34px -14px rgba(14, 92, 138, .7);
  text-align: center; min-width: 116px;
}
.y-split-badge b { display: block; font-size: 26px; font-weight: 700; line-height: 1.1; font-family: var(--font-num); }
.y-split-badge span { font-size: 11.5px; opacity: .82; }

.y-split-list { display: flex; flex-direction: column; }
.y-split-item {
  display: flex; gap: 16px; padding: 17px 0;
  border-bottom: 1px dashed var(--line-2);
  transition: padding-left .2s;
}
.y-split-item:first-child { padding-top: 0; }
.y-split-item:last-child { border-bottom: 0; padding-bottom: 0; }
.y-split-item:hover { padding-left: 6px; }
.y-split-item .si-no {
  flex: 0 0 auto; width: 30px; height: 30px; border-radius: 9px;
  display: grid; place-items: center;
  background: var(--brand-mist); color: var(--brand);
  font-size: 12.5px; font-weight: 700; font-family: var(--font-num);
  transition: background .2s, color .2s;
}
.y-split-item:hover .si-no { background: var(--brand); color: #fff; }
.y-split-item .si-tx { min-width: 0; }
.y-split-item h4 {
  margin: 0 0 4px; font-size: 15.5px; font-weight: 600; color: var(--ink); line-height: 1.5;
  overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.y-split-item:hover h4 { color: var(--brand); }
.y-split-item p {
  margin: 0; font-size: 13px; color: var(--ink-3); line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* ================= 5. 学术交流矩阵（上图下文卡片墙） ================= */
/* 说明：早期版本为纯色块 + 文字覆盖，后因参考站大量「文字海报」类图片，
   改为图片区 / 文字区上下分离，避免标题与图内文字重影。 */
.y-matrix { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }

/* ================= 6. 会议服务流程（左图 + 环形步骤） ================= */
.y-flow { display: grid; grid-template-columns: .92fr 1.08fr; gap: 56px; align-items: center; }
.y-flow-visual { position: relative; }
.y-flow-visual .fv-img {
  border-radius: var(--r-lg); overflow: hidden; aspect-ratio: 4 / 3.3;
  background: var(--bg-3); box-shadow: var(--sh-2);
}
.y-flow-visual .fv-img img { width: 100%; height: 100%; object-fit: cover; }
.y-flow-visual .fv-img .ph { position: absolute; inset: 0; display: grid; place-items: center; color: var(--ink-4); }
.y-flow-steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 18px; }
.fstep {
  display: flex; gap: 13px; padding: 15px 16px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md);
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.fstep:hover { border-color: var(--brand); box-shadow: var(--sh-2); transform: translateY(-2px); }
.fstep .fs-no {
  flex: 0 0 auto; width: 30px; height: 30px; border-radius: 50%;
  background: var(--brand); color: #fff; display: grid; place-items: center;
  font-size: 13px; font-weight: 700; font-family: var(--font-num);
}
.fstep h4 { margin: 0 0 3px; font-size: 14.5px; font-weight: 600; color: var(--ink); }
.fstep p { margin: 0; font-size: 12.5px; color: var(--ink-3); line-height: 1.65; }

/* ================= 7. 大洲 Tab 区块 ================= */
.y-tabs-head { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 30px; flex-wrap: wrap; }
.y-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.y-tab {
  padding: 9px 20px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line-2); background: #fff;
  font-size: 14px; font-weight: 500; color: var(--ink-2);
  transition: all .18s;
}
.y-tab:hover { border-color: var(--brand); color: var(--brand); }
.y-tab.on { background: var(--brand); border-color: var(--brand); color: #fff; box-shadow: 0 6px 16px -8px rgba(14, 92, 138, .8); }

.y-region-panel { display: none; }
.y-region-panel.on { display: block; animation: yFadeUp .4s ease; }
@keyframes yFadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.y-region-groups { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.rg-box {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 22px 24px; transition: box-shadow .22s, border-color .22s;
}
.rg-box:hover { box-shadow: var(--sh-2); border-color: var(--line-2); }
.rg-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.rg-head b { font-size: 16px; font-weight: 700; color: var(--ink); display: flex; align-items: center; gap: 9px; }
.rg-head b::before { content: ''; width: 3px; height: 15px; border-radius: 2px; background: var(--brand); }
.rg-head a { font-size: 12px; color: var(--ink-3); display: inline-flex; align-items: center; gap: 4px; }
.rg-head a:hover { color: var(--brand); }
.rg-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.rg-list li a { display: flex; align-items: flex-start; gap: 9px; font-size: 13.5px; color: var(--ink-2); line-height: 1.6; }
.rg-list li a::before {
  content: ''; flex: 0 0 auto; width: 5px; height: 5px; border-radius: 50%;
  background: var(--line-2); margin-top: 9px; transition: background .18s;
}
.rg-list li a:hover { color: var(--brand); }
.rg-list li a:hover::before { background: var(--brand); }

/* ================= 8. 客户服务中心三卡 ================= */
.y-cards3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.sv-card {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 34px 30px 32px;
  overflow: hidden; transition: transform .25s, box-shadow .25s, border-color .25s;
}
.sv-card::before {
  content: ''; position: absolute; left: 0; top: 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--brand-light));
  transform: scaleX(0); transform-origin: left; transition: transform .35s;
}
.sv-card:hover { transform: translateY(-6px); box-shadow: var(--sh-3); border-color: transparent; }
.sv-card:hover::before { transform: scaleX(1); }
.sv-ic {
  width: 52px; height: 52px; border-radius: 15px;
  background: var(--brand-soft); color: var(--brand);
  display: grid; place-items: center; margin-bottom: 20px;
  transition: background .25s, color .25s, transform .25s;
}
.sv-card:hover .sv-ic { background: var(--brand); color: #fff; transform: rotate(-6deg); }
.sv-card h3 { margin: 0 0 4px; font-size: 19px; font-weight: 700; color: var(--ink); }
.sv-card .sv-sub { font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-4); margin-bottom: 14px; }
.sv-card p { margin: 0; font-size: 13.8px; line-height: 1.85; color: var(--ink-3); }

/* ================= 9. 会议查询条 ================= */
.y-search-band {
  background: linear-gradient(115deg, var(--brand-deep), var(--brand) 62%, var(--brand-light));
  border-radius: var(--r-xl);
  padding: 46px 50px;
  position: relative; overflow: hidden;
  display: grid; grid-template-columns: .8fr 1.2fr; gap: 44px; align-items: center;
}
.y-search-band::before {
  content: ''; position: absolute; right: -80px; top: -110px;
  width: 340px; height: 340px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, .14), transparent 68%);
}
.y-search-band::after {
  content: ''; position: absolute; left: 30%; bottom: -140px;
  width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(240, 206, 147, .12), transparent 68%);
}
.y-search-copy { position: relative; z-index: 2; }
.y-search-copy .y-eyebrow { color: #F0CE93; }
.y-search-copy .y-eyebrow::before { background: #F0CE93; }
.y-search-copy h2 { margin: 0 0 10px; font-size: 27px; font-weight: 700; color: #fff; line-height: 1.3; }
.y-search-copy p { margin: 0; font-size: 13.5px; color: rgba(255, 255, 255, .72); line-height: 1.8; }
.y-search-form { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3, 1fr) auto; gap: 10px; align-items: end; }
.y-sf-field { display: flex; flex-direction: column; gap: 6px; }
.y-sf-field label { font-size: 11.5px; color: rgba(255, 255, 255, .66); font-weight: 500; letter-spacing: .03em; }
.y-sf-field select,
.y-sf-field input {
  height: 44px; border-radius: var(--r-sm); border: 1px solid rgba(255, 255, 255, .22);
  background: rgba(255, 255, 255, .12); color: #fff;
  padding: 0 13px; font-size: 13.5px; font-family: inherit;
  outline: none; transition: border-color .18s, background .18s;
  backdrop-filter: blur(6px);
}
.y-sf-field select option { color: var(--ink); background: #fff; }
.y-sf-field select:focus, .y-sf-field input:focus { border-color: rgba(255, 255, 255, .6); background: rgba(255, 255, 255, .2); }
.y-sf-field input::placeholder { color: rgba(255, 255, 255, .5); }
.y-sf-submit {
  height: 44px; padding: 0 28px; border-radius: var(--r-sm); border: 0; cursor: pointer;
  background: #fff; color: var(--brand-deep); font-size: 14px; font-weight: 700;
  display: inline-flex; align-items: center; gap: 7px; white-space: nowrap;
  transition: transform .18s, box-shadow .18s;
}
.y-sf-submit:hover { transform: translateY(-1px); box-shadow: 0 10px 24px -10px rgba(0, 0, 0, .5); }

/* ================= 10. 合作伙伴跑马灯 ================= */
.y-brands { position: relative; overflow: hidden; padding: 8px 0; }
.y-brands::before, .y-brands::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 110px; z-index: 3; pointer-events: none;
}
.y-brands::before { left: 0; background: linear-gradient(90deg, #fff, transparent); }
.y-brands::after { right: 0; background: linear-gradient(270deg, #fff, transparent); }
.y-brands-track { display: flex; gap: 16px; width: max-content; animation: yMarquee 46s linear infinite; }
.y-brands:hover .y-brands-track { animation-play-state: paused; }
@keyframes yMarquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.brand-chip {
  flex: 0 0 auto; width: 200px; height: 84px;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 0 18px; transition: border-color .2s, box-shadow .2s;
}
.brand-chip:hover { border-color: var(--brand); box-shadow: var(--sh-2); }
.brand-chip img { max-height: 40px; max-width: 120px; object-fit: contain; filter: grayscale(1); opacity: .62; transition: .22s; }
.brand-chip:hover img { filter: none; opacity: 1; }
.brand-chip span { font-size: 13.5px; font-weight: 600; color: var(--ink-2); white-space: nowrap; }

/* ================= 页脚 ================= */
.y-footer { background: var(--brand-deep); color: rgba(255, 255, 255, .62); font-size: 13.5px; }
.y-foot-main { padding: 62px 0 40px; display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr 1.1fr; gap: 40px; }
.y-foot-brand .y-brand-txt b { color: #fff; }
.y-foot-brand .y-brand-txt small { color: rgba(255, 255, 255, .42); }
.y-foot-brand p { margin: 18px 0 0; font-size: 13px; line-height: 1.9; color: rgba(255, 255, 255, .52); max-width: 300px; }
.y-foot-tel { margin-top: 22px; }
.y-foot-tel small { display: block; font-size: 11.5px; color: rgba(255, 255, 255, .42); letter-spacing: .06em; margin-bottom: 2px; }
.y-foot-tel b { font-size: 22px; color: #fff; font-weight: 700; font-family: var(--font-num); letter-spacing: .02em; }
.y-foot-col h4 {
  margin: 0 0 18px; font-size: 14px; font-weight: 600; color: #fff; letter-spacing: .02em;
  display: flex; align-items: center; gap: 8px;
}
.y-foot-col h4::before { content: ''; width: 14px; height: 1px; background: var(--gold); }
.y-foot-col a, .y-foot-col p {
  display: block; margin: 0 0 10px; font-size: 13px; color: rgba(255, 255, 255, .56);
  transition: color .16s, transform .16s;
}
.y-foot-col a:hover { color: #fff; transform: translateX(3px); }
.y-foot-col .fc-row { display: flex; gap: 8px; align-items: flex-start; margin-bottom: 11px; font-size: 12.8px; line-height: 1.7; color: rgba(255, 255, 255, .56); }
.y-foot-col .fc-row svg { flex: 0 0 auto; margin-top: 4px; opacity: .6; }
.y-foot-links { border-top: 1px solid rgba(255, 255, 255, .1); padding: 18px 0; }
.y-foot-links .fl-row { display: flex; gap: 10px; align-items: baseline; font-size: 12.5px; }
.y-foot-links .fl-row > span { flex: 0 0 auto; color: rgba(255, 255, 255, .4); }
.y-foot-links .fl-row .fl-items { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.y-foot-links .fl-row a { color: rgba(255, 255, 255, .55); }
.y-foot-links .fl-row a:hover { color: #fff; }
.y-foot-bot {
  border-top: 1px solid rgba(255, 255, 255, .1); padding: 18px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 12.5px; color: rgba(255, 255, 255, .38);
}
.y-foot-bot .fb-links { display: flex; gap: 18px; flex-wrap: wrap; }
.y-foot-bot a:hover { color: rgba(255, 255, 255, .75); }

/* ================= 内页 Banner / 面包屑 ================= */
.y-page-banner {
  position: relative; background: var(--brand-deep);
  padding: 74px 0 62px; overflow: hidden;
}
.y-page-banner .pb-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: .26;
}
.y-page-banner::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(8, 50, 77, .9), rgba(10, 67, 104, .58) 60%, rgba(14, 92, 138, .32));
}
.y-page-banner .y-container { position: relative; z-index: 2; }
.y-page-banner .pb-eyebrow {
  display: inline-block; font-size: 11.5px; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase; color: #F0CE93; margin-bottom: 10px;
}
.y-page-banner h1 { margin: 0 0 12px; font-size: 34px; color: #fff; font-weight: 700; letter-spacing: -.01em; }
.y-crumbs { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: rgba(255, 255, 255, .55); flex-wrap: wrap; }
.y-crumbs a { color: rgba(255, 255, 255, .55); }
.y-crumbs a:hover { color: #fff; }
.y-crumbs .sep { opacity: .4; }
.y-crumbs .cur { color: rgba(255, 255, 255, .9); }

/* 筛选按钮 */
.y-filter { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 32px; }
.y-filter a {
  padding: 8px 18px; border-radius: 999px; font-size: 13.5px; font-weight: 500;
  border: 1px solid var(--line-2); background: #fff; color: var(--ink-2);
  transition: all .18s;
}
.y-filter a:hover { border-color: var(--brand); color: var(--brand); }
.y-filter a.on { background: var(--brand); border-color: var(--brand); color: #fff; }

/* 卡片网格 */
.y-grid { display: grid; gap: 24px; }
.y-grid.g2 { grid-template-columns: repeat(2, 1fr); }
.y-grid.g3 { grid-template-columns: repeat(3, 1fr); }
.y-grid.g4 { grid-template-columns: repeat(4, 1fr); }

/* 列表页（新闻 / 案例横排） */
.y-list { display: flex; flex-direction: column; }
.y-list-item {
  display: grid; grid-template-columns: 232px 1fr; gap: 26px;
  padding: 26px 0; border-bottom: 1px solid var(--line);
  align-items: center;
}
.y-list-item:first-child { padding-top: 0; }
.y-list-thumb {
  aspect-ratio: 16 / 10.5; border-radius: var(--r-md); overflow: hidden;
  background: var(--bg-3); position: relative;
}
.y-list-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.y-list-item:hover .y-list-thumb img { transform: scale(1.05); }
.y-list-thumb .ph { position: absolute; inset: 0; display: grid; place-items: center; color: var(--ink-4); }
.y-list-body h3 { margin: 0 0 10px; font-size: 18px; font-weight: 600; color: var(--ink); line-height: 1.5; }
.y-list-item:hover .y-list-body h3 { color: var(--brand); }
.y-list-meta { display: flex; gap: 16px; align-items: center; font-size: 12.5px; color: var(--ink-3); margin-bottom: 11px; font-family: var(--font-num); }
.y-list-meta .tag { font-family: var(--font); color: var(--brand); background: var(--brand-soft); padding: 1px 8px; border-radius: 4px; font-weight: 600; }
.y-list-body p { margin: 0; font-size: 13.8px; line-height: 1.8; color: var(--ink-3); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* 空状态 */
.y-empty { text-align: center; padding: 70px 20px; color: var(--ink-3); }
.y-empty .ic { width: 62px; height: 62px; border-radius: 18px; background: var(--bg-3); color: var(--ink-4); display: grid; place-items: center; margin: 0 auto 18px; }
.y-empty h3 { margin: 0 0 8px; font-size: 17px; color: var(--ink-2); font-weight: 600; }
.y-empty p { margin: 0; font-size: 13.5px; }

/* 分页 */
.y-pager { display: flex; justify-content: center; gap: 8px; margin-top: 48px; flex-wrap: wrap; }
.y-pager a, .y-pager span {
  min-width: 40px; height: 40px; padding: 0 13px; border-radius: var(--r-sm);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13.5px; border: 1px solid var(--line-2); background: #fff; color: var(--ink-2);
  transition: all .16s;
}
.y-pager a:hover { border-color: var(--brand); color: var(--brand); }
.y-pager .on { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }
.y-pager .dis { opacity: .4; pointer-events: none; }

/* 详情正文 */
.y-detail { display: grid; grid-template-columns: 1fr 320px; gap: 46px; align-items: start; }
.y-detail-main { min-width: 0; }
.y-detail h1.dt-title { margin: 0 0 14px; font-size: 28px; line-height: 1.45; font-weight: 700; color: var(--ink); }
.y-detail .dt-meta {
  display: flex; flex-wrap: wrap; gap: 12px 22px; padding: 16px 0 20px;
  border-bottom: 1px solid var(--line); margin-bottom: 28px;
  font-size: 13px; color: var(--ink-3);
}
.y-detail .dt-meta span { display: inline-flex; align-items: center; gap: 6px; }
.y-detail .dt-cover { border-radius: var(--r-md); overflow: hidden; margin-bottom: 28px; background: var(--bg-3); }
.y-detail .dt-cover img { width: 100%; }
.y-rich { font-size: 15.5px; line-height: 2; color: var(--ink-2); }
.y-rich p { margin: 0 0 18px; }
.y-rich h2, .y-rich h3, .y-rich h4 { margin: 34px 0 14px; color: var(--ink); font-weight: 700; line-height: 1.5; }
.y-rich h2 { font-size: 22px; }
.y-rich h3 { font-size: 19px; }
.y-rich h4 { font-size: 16.5px; }
.y-rich img { border-radius: var(--r-sm); margin: 20px 0; }
.y-rich ul, .y-rich ol { margin: 0 0 18px; padding-left: 22px; }
.y-rich li { margin-bottom: 8px; }
.y-rich blockquote {
  margin: 22px 0; padding: 16px 22px; border-left: 3px solid var(--brand);
  background: var(--brand-mist); border-radius: 0 var(--r-sm) var(--r-sm) 0; color: var(--ink-2);
}
.y-rich table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; }
.y-rich table th, .y-rich table td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; }
.y-rich table th { background: var(--bg-2); font-weight: 600; }
.y-rich a { color: var(--brand); text-decoration: underline; text-underline-offset: 2px; }

/* 侧栏 */
.y-side-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 24px; margin-bottom: 20px;
}
.y-side-card h4 {
  margin: 0 0 16px; font-size: 15px; font-weight: 700; color: var(--ink);
  padding-left: 11px; position: relative;
}
.y-side-card h4::before { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 3px; height: 15px; border-radius: 2px; background: var(--brand); }
.y-side-card a.sc-link, .y-side-card p.sc-link {
  display: flex; gap: 8px; align-items: flex-start;
  font-size: 13.5px; color: var(--ink-2); margin: 0 0 11px; line-height: 1.65;
  transition: color .16s;
}
.y-side-card a.sc-link:hover { color: var(--brand); }
.y-side-card a.sc-link svg, .y-side-card p.sc-link svg { flex: 0 0 auto; margin-top: 4px; opacity: .5; }
.y-side-rel { list-style: none; margin: 0; padding: 0; }
.y-side-rel li { border-bottom: 1px dashed var(--line); padding: 11px 0; }
.y-side-rel li:last-child { border-bottom: 0; padding-bottom: 0; }
.y-side-rel a { font-size: 13.5px; color: var(--ink-2); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.y-side-rel a:hover { color: var(--brand); }
.y-side-cta {
  background: linear-gradient(150deg, var(--brand-deep), var(--brand));
  border-radius: var(--r-md); padding: 26px 24px; text-align: center; color: #fff;
}
.y-side-cta h4 { color: #fff; padding: 0; margin: 0 0 8px; font-size: 16px; }
.y-side-cta h4::before { display: none; }
.y-side-cta p { margin: 0 0 18px; font-size: 12.5px; color: rgba(255, 255, 255, .66); line-height: 1.7; }
.y-side-cta b { display: block; font-size: 21px; font-weight: 700; margin-bottom: 14px; font-family: var(--font-num); }
.y-side-cta .y-btn { width: 100%; height: 40px; font-size: 13.5px; background: #fff; color: var(--brand-deep); }

/* 移动端遮罩 */
.y-mask {
  position: fixed; inset: 0; background: rgba(8, 24, 36, .48);
  opacity: 0; visibility: hidden; transition: .25s; z-index: 1900;
}
.y-mask.on { opacity: 1; visibility: visible; }

/* ================= 响应式 ================= */
@media (max-width: 1440px) {
  .y-nav-item > a { padding: 0 8px; font-size: 14px; }
}
@media (min-width: 1341px) {
  .y-head-act .y-btn-cta { padding: 0 14px; }
}
@media (max-width: 1400px) {
  :root { --maxw: 1200px; }
  .y-hero h1 { font-size: 42px; }
}

@media (max-width: 1340px) {
  .y-tel { display: none; }
  .y-nav-item > a { padding: 0 7px; font-size: 13.6px; }
}

@media (max-width: 1200px) {
  :root { --maxw: 1080px; }
  .y-brand-txt { max-width: 150px; }
  .y-brand-txt b { font-size: 14.5px; overflow: hidden; text-overflow: ellipsis; }
  .y-nav-item > a { padding: 0 8px; font-size: 13.8px; }
  .y-tel { display: none; }
  .y-brand-txt small { display: none; }
  .y-brand-txt b { font-size: 15px; }
  .y-matrix { grid-template-columns: repeat(4, 1fr); }
  .y-foot-main { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .y-foot-main > :last-child { grid-column: 1 / -1; }
}

@media (max-width: 1024px) {
  .y-sec { padding: 62px 0; }
  .y-head h2 { font-size: 26px; }
  .y-hero { height: 540px; }
  .y-hero h1 { font-size: 36px; }
  .y-hero-card { display: none; }
  .y-news-grid { grid-template-columns: repeat(2, 1fr); }
  .y-split, .y-split.rev, .y-flow { grid-template-columns: 1fr; gap: 36px; }
  .y-split.rev .y-split-visual { order: -1; }
  .y-matrix { grid-template-columns: repeat(3, 1fr); }
  .y-cards3 { grid-template-columns: 1fr; }
  .y-search-band { grid-template-columns: 1fr; gap: 28px; padding: 36px 32px; }
  .y-search-form { grid-template-columns: repeat(3, 1fr); }
  .y-sf-submit { grid-column: 1 / -1; }
  .y-detail { grid-template-columns: 1fr; }
  .y-grid.g4 { grid-template-columns: repeat(3, 1fr); }
  .y-region-groups { grid-template-columns: 1fr; }
}

/* ---------- 移动端：抽屉导航 ---------- */
@media (max-width: 992px) {
  :root { --hh: 64px; }
  .y-topbar { display: none; }
  .y-burger { display: flex; }
  .y-head-act .y-btn-cta { display: none; }
  .y-header-inner { justify-content: space-between; gap: 0; }
  .y-head-act { margin-left: auto !important; margin-right: 0 !important; }
  .y-brand-wrap { margin-right: auto; }

  .y-nav {
    position: fixed; top: 0; right: 0; bottom: 0; left: auto;
    width: min(86vw, 360px); max-width: 360px;
    background: #fff; z-index: 2000;
    transform: translateX(102%);
    -webkit-transform: translateX(102%);
    transition: transform .3s cubic-bezier(.4, 0, .2, 1);
    display: flex; flex-direction: column; justify-content: flex-start;
    align-items: stretch;
    padding: 0; margin: 0;   /* 关键：清除左右外边距，保证抽屉紧贴屏幕右缘 */
    overflow-y: auto; overflow-x: hidden; -webkit-overflow-scrolling: touch;
    box-shadow: -12px 0 40px rgba(8, 24, 36, .16);
    text-align: left;
  }
  .y-nav.open { transform: translateX(0); -webkit-transform: translateX(0); }
  .y-nav-head { padding: 14px 18px; border-bottom: 1px solid var(--line); }
  .y-nav-list { flex-direction: column; align-items: stretch; gap: 0; padding: 10px 0 30px; width: 100%; display: flex; }
  .y-nav-item { border-bottom: 1px solid var(--line); }
  .y-nav-item > a {
    height: auto; padding: 15px 22px; font-size: 16px;
    justify-content: space-between; color: var(--ink);
  }
  .y-nav-item > a::after { display: none; }
  .y-nav-item.is-active > a { color: var(--brand); background: var(--brand-mist); }
  .y-caret { width: 11px; height: 11px; transition: transform .25s; }
  .y-nav-item.expanded > a .y-caret { transform: rotate(180deg); }

  .y-drop {
    position: static; left: auto; top: auto;   /* 关键：清除桌面端 left:50% / top:100%，否则子菜单文字会跑到屏幕左侧外 */
    transform: none; opacity: 1; visibility: visible;
    pointer-events: auto; box-shadow: none; border: 0; border-radius: 0;
    padding: 0; min-width: 0; width: 100%; background: var(--bg-2);
    display: none;
  }
  .y-nav-item.expanded .y-drop { display: block; }
  /* 关键修复：触屏点击后 :hover 状态会粘滞，桌面端的 translate(-50%,0) 会把子菜单推出屏幕外 */
  .y-nav-item:hover .y-drop,
  .y-nav-item.expanded:hover .y-drop {
    transform: none; -webkit-transform: none;
    opacity: 1; visibility: visible; pointer-events: auto;
  }
  .y-nav-item.has-drop:hover .y-caret { transform: none; }
  .y-nav-item.expanded > a .y-caret { transform: rotate(180deg); }
  .y-drop a {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 22px 12px 34px; font-size: 14.5px; border-radius: 0;
    width: auto; max-width: 100%; min-width: 0; box-sizing: border-box;
  }
  .y-drop a span { display: inline-block; white-space: normal; word-break: break-word; }
  .y-drop a i, .y-drop a svg { display: none; }

  /* 抽屉专属元素在移动端显示 */
  .y-nav-head { display: flex; }
  .y-nav-close { display: grid; }
  .y-nav-foot { display: block; }

  /* 抽屉关闭按钮 */
  .y-nav-close {
    position: absolute; top: 16px; right: 16px;
    width: 36px; height: 36px; border-radius: 10px;
    border: 1px solid var(--line); background: #fff; color: var(--ink-2);
    display: grid; place-items: center; cursor: pointer;
  }
  .y-nav-head {
    padding: 18px 22px 12px; border-bottom: 1px solid var(--line);
    display: flex; align-items: center; gap: 10px;
  }
  .y-nav-head .y-brand-txt b { font-size: 15px; }
  .y-nav-foot { margin-top: auto; padding: 20px 22px 26px; border-top: 1px solid var(--line); }
  .y-nav-foot .y-btn { width: 100%; height: 44px; }
  .y-nav-foot .tel { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-3); margin-top: 14px; }

  /* 首页板块间距压缩 */
  .y-sec { padding: 46px 0; }
  .y-sec.tight { padding: 36px 0; }
  .y-head { margin-bottom: 30px; }
  .y-head-row { flex-direction: column; align-items: flex-start; gap: 14px; margin-bottom: 26px; }
  .y-hero { height: 460px; }
  .y-hero h1 { font-size: 30px; }
  .y-hero-sub { font-size: 14px; margin-bottom: 24px; }
  .y-hero-nav { bottom: 24px; }
  .y-hero-num::after { display: none; }
  .y-slider > * { flex: 0 0 236px; }
  .y-matrix { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .mx-item .mx-body { padding: 11px 12px 13px; }
  .mx-item .mx-body h3 { font-size: 13px; line-height: 1.45; min-height: 2.9em; }
  .mx-item .mx-body p { font-size: 11px; }
  .y-flow-steps { grid-template-columns: 1fr; }
  .y-news-grid { grid-template-columns: 1fr; gap: 18px; }
  .y-list-item { grid-template-columns: 1fr; gap: 14px; padding: 20px 0; }
  .y-grid.g3, .y-grid.g4 { grid-template-columns: repeat(2, 1fr); }
  .y-page-banner { padding: 46px 0 40px; }
  .y-page-banner h1 { font-size: 26px; }
  .y-search-form { grid-template-columns: 1fr 1fr; }
  .y-split-badge { right: 10px; bottom: -14px; padding: 12px 18px; }
  .y-foot-main { grid-template-columns: 1fr 1fr; gap: 30px; padding: 44px 0 30px; }
  .y-foot-brand { grid-column: 1 / -1; }
  /* 右侧悬浮客服在移动端缩小并贴边，保持原样式 */
  .float-service { right: 8px !important; gap: 8px !important; transform: scale(.86) translateY(-50%) !important; transform-origin: right center !important; }
}

@media (max-width: 640px) {
  .y-container { padding: 0 16px; }
  .y-hero { height: 430px; }
  .y-hero h1 { font-size: 25px; line-height: 1.32; }
  .y-hero-eyebrow { font-size: 10.5px; margin-bottom: 14px; }
  .y-hero-btns .y-btn { height: 40px; padding: 0 18px; font-size: 13.5px; }
  .y-head h2 { font-size: 22px; }
  .y-head p { font-size: 13.5px; }
  .y-grid.g2, .y-grid.g3, .y-grid.g4 { grid-template-columns: 1fr; }
  .y-tabs { gap: 6px; }
  .y-tab { padding: 7px 15px; font-size: 13px; }
  .y-search-form { grid-template-columns: 1fr; }
  .y-foot-main { grid-template-columns: 1fr; }
  .y-detail h1.dt-title { font-size: 21px; }
  .y-rich { font-size: 15px; }
  .y-slider > * { flex: 0 0 78%; }
  .sv-card { padding: 26px 22px; }
  .y-brand-txt small { display: none; }
}

/* ============ 栏目页补充模块（expert / brand / search / form） ============ */
.y-expert-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; align-items: start; }
.y-expert-card { background: #fff; border: 1px solid #E8EDF2; border-radius: 10px; overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .25s, transform .25s; }
.y-expert-card:hover { box-shadow: 0 14px 34px rgba(14,92,138,.13); transform: translateY(-4px); }
.y-exp-ava {
  flex: 0 0 auto; width: 100%; aspect-ratio: 16 / 10;
  background: linear-gradient(160deg, #0E5C8A, #0A4468);
  display: grid; place-items: center; overflow: hidden;
}
.y-exp-ava img { width: 100%; height: 100%; object-fit: cover; display: block; }
.y-exp-ava span { color: #fff; font-size: 30px; font-weight: 700; opacity: .92; line-height: 1; }
.y-exp-body { padding: 18px 18px 20px; flex: 1; min-width: 0; }
.y-exp-body h3 { font-size: 17px; color: #12324A; margin: 0 0 5px; font-weight: 650; }
.y-exp-title { font-size: 13px; color: var(--gold, #C4974E); margin: 0 0 10px; font-weight: 500; }
.y-exp-org { font-size: 12.5px; color: #7A8A97; margin: 0 0 5px; display: flex; align-items: center; gap: 6px; }
.y-exp-org svg { flex: 0 0 auto; opacity: .7; }
.y-exp-sum {
  font-size: 13px; color: #5B6B78; line-height: 1.78; margin: 10px 0 12px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.y-exp-more { font-size: 13px; color: var(--brand, #0E5C8A); display: inline-flex; align-items: center; gap: 4px; font-weight: 500; }
.y-brand-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.y-brand-cell { background: #fff; border: 1px solid #E8EDF2; border-radius: 10px; padding: 26px 16px; text-align: center; transition: box-shadow .25s, transform .25s; }
.y-brand-cell:hover { box-shadow: 0 12px 28px rgba(14,92,138,.12); transform: translateY(-3px); }
.y-brand-logo { display: grid; place-items: center; height: 72px; margin-bottom: 12px; }
.y-brand-logo img { max-height: 60px; max-width: 80%; object-fit: contain; }
.y-brand-logo b { font-size: 16px; color: #12324A; }
.y-brand-name { display: block; font-size: 13px; color: #5B6B78; }
.y-search-panel, .y-form-panel { background: #fff; border: 1px solid #E8EDF2; border-radius: 12px; padding: 32px; max-width: 860px; margin: 0 auto; }
.y-search-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 18px; margin-bottom: 20px; }
.y-search-hot { margin-top: 22px; padding-top: 18px; border-top: 1px dashed #E1E8EE; font-size: 13px; color: #7A8A97; line-height: 2; }
.y-search-hot a { color: var(--brand, #0E5C8A); margin: 0 8px 0 2px; }
@media (max-width: 992px) {
  .y-expert-grid { grid-template-columns: repeat(2, 1fr); }
  .y-brand-grid { grid-template-columns: repeat(3, 1fr); }
  .y-search-row { grid-template-columns: 1fr; }
  .y-search-panel, .y-form-panel { padding: 22px 16px; }
}
@media (max-width: 640px) {
  .y-expert-grid { grid-template-columns: 1fr; }
  .y-brand-grid { grid-template-columns: repeat(2, 1fr); }
}

/* 学术矩阵：上图下文卡片（图片区独立，标题在下方白底/深底区，避免文字图重影） */
.mx-item {
  position: relative; display: flex; flex-direction: column;
  border-radius: var(--r-md); overflow: hidden;
  background: #fff;
  border: 1px solid rgba(8, 50, 77, .09);
  box-shadow: 0 4px 16px -10px rgba(8, 50, 77, .28);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.mx-item .mx-thumb {
  position: relative; display: block; width: 100%;
  aspect-ratio: 16 / 11; overflow: hidden;
  background: linear-gradient(150deg, #1A7BB0, #0A4368);
}
.mx-item .mx-bg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center; display: block;
  transition: transform .55s ease;
}
.mx-item:hover .mx-bg { transform: scale(1.06); }
.mx-item .mx-no {
  position: absolute; left: 0; top: 0; z-index: 3;
  padding: 4px 10px; border-radius: 0 0 8px 0;
  background: rgba(8, 50, 77, .82); backdrop-filter: blur(4px);
  font-family: var(--font-num); font-size: 12px; font-weight: 700;
  color: rgba(255, 255, 255, .9); letter-spacing: .06em;
}
.mx-item .mx-body {
  display: block; padding: 14px 16px 16px;
  border-top: 2px solid transparent;
  transition: border-color .3s ease;
}
.mx-item .mx-body h3 {
  margin: 0 0 5px; font-size: 14.5px; font-weight: 600; line-height: 1.5;
  color: var(--ink, #12324A);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  min-height: 2.9em;
}
.mx-item .mx-body p {
  margin: 0; font-size: 12px; line-height: 1.5; color: #7C8E9C;
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.mx-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 40px -22px rgba(8, 50, 77, .55);
  border-color: rgba(14, 92, 138, .26);
}
.mx-item:hover .mx-body { border-top-color: var(--gold, #C4974E); }
.mx-item .mx-arrow {
  position: absolute; right: 14px; bottom: 14px; z-index: 3;
  width: 24px; height: 24px; border-radius: 50%;
  border: 1px solid rgba(14, 92, 138, .3);
  display: grid; place-items: center; color: var(--brand, #0E5C8A);
  opacity: 0; transform: translateX(-4px); transition: .24s;
}
.mx-item:hover .mx-arrow { opacity: 1; transform: none; }

/* ================= 移动端抽屉打开时隐藏悬浮客服 =================
   抽屉 z-index:2000 / 遮罩 1900，而悬浮客服是 900，
   但悬浮客服使用 position:fixed 且 !important，在部分机型上仍会被绘制在抽屉之上，
   因此抽屉打开时直接隐藏，关闭后恢复。 */
@media (max-width: 992px) {
  body.nav-open .float-service { display: none !important; }
}