/* ==========================================================================
   山东财经大学校友总会 · 形象门户
   设计语言：山财大蓝（官方标准色 #044585） + 财经金（#c8a45c）
   气质定位：渊雅 · 庄重 · 学术 · 高端
   ========================================================================== */

:root {
  /* —— 官方标准色：山财大蓝 —— */
  --blue: #044585;
  --blue-deep: #03356a;
  --blue-ink: #02203f;
  --blue-abyss: #011529;
  --blue-mid: #0a5aa8;
  --blue-light: #3d8ed6;
  --blue-pale: #eaf2fb;
  --blue-mist: #f4f8fd;

  /* —— 财经金 —— */
  --gold: #c8a45c;
  --gold-deep: #a8823c;
  --gold-light: #e3ca94;
  --gold-pale: #fbf6e9;

  /* —— 中性 —— */
  --ivory: #f8f6f1;
  --paper: #ffffff;
  --ink: #14212f;
  --ink-2: #46566b;
  --ink-3: #8896a8;
  --line: rgba(4, 69, 133, .12);
  --line-gold: rgba(200, 164, 92, .38);

  /* —— 字体 —— */
  --serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STZhongsong", "STSong", "SimSun", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;

  --shadow-sm: 0 1px 3px rgba(2, 32, 63, .06), 0 6px 18px rgba(2, 32, 63, .05);
  --shadow: 0 2px 8px rgba(2, 32, 63, .08), 0 14px 38px rgba(2, 32, 63, .09);
  --shadow-lg: 0 10px 40px rgba(2, 32, 63, .16), 0 30px 70px rgba(2, 32, 63, .12);
  --ease: cubic-bezier(.22, .61, .36, 1);
  --maxw: 1280px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 600; line-height: 1.3; }
p { margin: 0; }
img, svg { display: block; max-width: 100%; }
code { font-family: var(--mono); font-size: .92em; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }

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

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--blue-mist); }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, var(--blue), var(--blue-deep)); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold-deep); }

/* ---------------- 滚动进度 ---------------- */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0; z-index: 999;
  background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
  box-shadow: 0 0 12px rgba(200, 164, 92, .8);
}

/* ---------------- 通用按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: 2px;
  font-size: 14px; font-weight: 500; letter-spacing: .04em;
  border: 1px solid transparent; cursor: pointer;
  transition: all .3s var(--ease); white-space: nowrap;
  position: relative; overflow: hidden;
}
.btn .arw { transition: transform .3s var(--ease); font-weight: 400; }
.btn:hover .arw { transform: translateX(4px); }

.btn-gold {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
  color: #fff; box-shadow: 0 6px 22px rgba(200, 164, 92, .34);
}
.btn-gold:hover { box-shadow: 0 10px 30px rgba(200, 164, 92, .5); transform: translateY(-2px); }

.btn-line { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .5); }
.btn-line:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }

.btn-ghost { background: transparent; color: var(--blue); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--blue); background: var(--blue-pale); }

.btn-lg { padding: 14px 32px; font-size: 15px; }

/* 白色底区域的描边按钮 */
.sec .btn-line { color: var(--blue); border-color: rgba(4, 69, 133, .35); }
.sec .btn-line:hover { background: var(--blue); color: #fff; border-color: var(--blue); }

.more-row { display: flex; justify-content: center; margin-top: 46px; }

/* ---------------- 滚动进场动画 ---------------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ==========================================================================
   顶部信息条
   ========================================================================== */
.topbar {
  background: var(--blue-abyss);
  border-bottom: 1px solid rgba(200, 164, 92, .16);
  font-size: 12.5px; color: rgba(255, 255, 255, .62);
}
.topbar-in { display: flex; align-items: center; justify-content: space-between; height: 38px; }
.tb-left, .tb-right { display: flex; align-items: center; gap: 14px; }
.tb-tag { color: var(--gold-light); letter-spacing: .06em; }
.tb-sep { width: 1px; height: 12px; background: rgba(255, 255, 255, .18); }
.tb-right a { transition: color .25s; }
.tb-right a:hover { color: var(--gold-light); }

/* ==========================================================================
   主导航
   ========================================================================== */
.nav {
  position: sticky; top: 0; z-index: 900;
  background: rgba(2, 32, 63, .28);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid rgba(200, 164, 92, .18);
  transition: background .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
}
.nav.solid {
  background: rgba(255, 255, 255, .96);
  border-bottom-color: var(--line);
  box-shadow: 0 3px 24px rgba(2, 32, 63, .09);
}
.nav-in { display: flex; align-items: center; gap: 20px; height: 76px; }

.brand { display: flex; align-items: center; gap: 13px; flex: 0 0 auto; }
.brand-seal { width: 44px; height: 44px; flex: 0 0 44px; }
.brand-seal svg { width: 100%; height: 100%; }
.brand-txt { display: flex; flex-direction: column; line-height: 1.25; white-space: nowrap; }
.brand-txt b {
  font-family: var(--serif); font-size: 19px; font-weight: 700;
  letter-spacing: .06em; color: #fff; transition: color .4s; white-space: nowrap;
}
.brand-txt i {
  font-style: normal; font-size: 9.5px; letter-spacing: .16em;
  text-transform: uppercase; color: rgba(255, 255, 255, .5); transition: color .4s; white-space: nowrap;
}
.nav.solid .brand-txt b { color: var(--blue); }
.nav.solid .brand-txt i { color: var(--ink-3); }

.menu { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.menu a {
  position: relative; padding: 9px 11px; font-size: 13.5px; white-space: nowrap;
  color: rgba(255, 255, 255, .82); border-radius: 2px; transition: all .3s var(--ease);
}
.menu a::after {
  content: ''; position: absolute; left: 50%; bottom: 3px; width: 0; height: 2px;
  background: var(--gold); transform: translateX(-50%); transition: width .3s var(--ease);
}
.menu a:hover { color: #fff; }
.menu a:hover::after, .menu a.on::after { width: 22px; }
.nav.solid .menu a { color: var(--ink-2); }
.nav.solid .menu a:hover, .nav.solid .menu a.on { color: var(--blue); }

.nav-cta { display: flex; align-items: center; gap: 10px; margin-left: 8px; }
.nav .btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .38); }
.nav .btn-ghost:hover { background: rgba(255, 255, 255, .14); border-color: #fff; }
.nav.solid .btn-ghost { color: var(--blue); border-color: var(--line); }
.nav.solid .btn-ghost:hover { background: var(--blue-pale); }

.menu-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.menu-toggle i { display: block; width: 22px; height: 2px; background: #fff; margin: 5px 0; transition: .3s; }
.nav.solid .menu-toggle i { background: var(--blue); }

/* ==========================================================================
   首屏 Hero
   ========================================================================== */
.hero {
  position: relative; min-height: 100vh; margin-top: -76px; padding: 76px 0 0;
  display: flex; align-items: center;
  background:
    radial-gradient(1200px 620px at 74% 12%, rgba(61, 142, 214, .34), transparent 62%),
    radial-gradient(900px 520px at 16% 84%, rgba(200, 164, 92, .16), transparent 66%),
    linear-gradient(158deg, var(--blue-abyss) 0%, var(--blue-ink) 34%, var(--blue-deep) 68%, var(--blue) 100%);
  overflow: hidden; color: #fff;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }

/* 经纬网格 */
.hero-grid {
  position: absolute; inset: 0; opacity: .3;
  background-image:
    linear-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .07) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: radial-gradient(circle at 50% 42%, #000 8%, transparent 76%);
  -webkit-mask-image: radial-gradient(circle at 50% 42%, #000 8%, transparent 76%);
}
/* 光晕 */
.hero-glow { position: absolute; border-radius: 50%; filter: blur(90px); }
.hero-glow.g1 { width: 620px; height: 620px; top: -180px; right: -80px; background: rgba(61, 142, 214, .42); }
.hero-glow.g2 { width: 480px; height: 480px; bottom: -160px; left: -60px; background: rgba(200, 164, 92, .2); }
/* 铜钱纹水印 */
.hero-coins {
  position: absolute; inset: 0; opacity: .05;
  background-image: radial-gradient(circle, transparent 46%, rgba(255, 255, 255, .9) 47%, rgba(255, 255, 255, .9) 51%, transparent 52%);
  background-size: 128px 128px; background-position: 0 0;
}
/* 斜向金光线 */
.hero-ray {
  position: absolute; top: -30%; left: 34%; width: 460px; height: 170%;
  background: linear-gradient(90deg, transparent, rgba(200, 164, 92, .1), transparent);
  transform: rotate(16deg); filter: blur(28px);
}
.hero-mount { position: absolute; left: 0; bottom: 0; width: 100%; height: 320px; }
.hero-mount path { fill: rgba(1, 21, 41, .52); }

.hero-in {
  position: relative; z-index: 3; display: grid; grid-template-columns: 1.45fr .85fr;
  gap: 66px; align-items: center; padding-top: 40px; padding-bottom: 90px;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 16px; border-radius: 100px; font-size: 12.5px; letter-spacing: .1em;
  color: var(--gold-light); background: rgba(200, 164, 92, .13);
  border: 1px solid rgba(200, 164, 92, .34);
}
.hero-badge .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--gold);
  box-shadow: 0 0 0 0 rgba(200, 164, 92, .7); animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(200, 164, 92, .6); }
  70% { box-shadow: 0 0 0 10px rgba(200, 164, 92, 0); }
  100% { box-shadow: 0 0 0 0 rgba(200, 164, 92, 0); }
}

.hero-title { margin: 26px 0 0; }
.ht-cn {
  display: block; font-family: var(--serif); font-size: clamp(42px, 5.6vw, 76px);
  font-weight: 700; letter-spacing: .1em; line-height: 1.14;
  background: linear-gradient(180deg, #ffffff 22%, #cfe2f4 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 6px 40px rgba(4, 69, 133, .5);
}
.ht-en {
  display: block; margin-top: 12px; font-size: 12px; letter-spacing: .3em;
  text-transform: uppercase; color: rgba(255, 255, 255, .5);
}

.hero-motto { display: flex; align-items: center; gap: 20px; margin: 26px 0 0; }
.mq {
  font-family: var(--serif); font-size: clamp(20px, 2.2vw, 28px);
  letter-spacing: .3em; color: var(--gold-light); font-weight: 600;
}
.mq-sep { width: 1px; height: 26px; background: linear-gradient(180deg, transparent, var(--gold), transparent); }

.hero-desc {
  margin-top: 26px; max-width: 620px; font-size: 15px; line-height: 2.05;
  color: rgba(255, 255, 255, .74);
}
.hero-desc b { color: var(--gold-light); font-weight: 600; }

.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 36px; }
.hero-more {
  margin-left: 6px; font-size: 13.5px; color: rgba(255, 255, 255, .6); letter-spacing: .06em;
  border-bottom: 1px dashed rgba(255, 255, 255, .28); padding-bottom: 2px; transition: all .3s var(--ease);
}
.hero-more span { display: inline-block; transition: transform .3s var(--ease); }
.hero-more:hover { color: var(--gold-light); border-bottom-color: var(--gold); }
.hero-more:hover span { transform: translateY(3px); }

.hero-stats {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 0;
  margin-top: 48px; padding-top: 30px; border-top: 1px solid rgba(200, 164, 92, .22);
}
.hs { padding: 0 18px; border-left: 1px solid rgba(255, 255, 255, .1); }
.hs:first-child { padding-left: 0; border-left: 0; }
.hs b {
  display: block; font-family: var(--serif); font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 700; color: #fff; letter-spacing: .02em; line-height: 1.2; white-space: nowrap;
}
.hs b .hs-unit { font-size: .46em; color: var(--gold-light); margin-left: 4px; font-family: var(--sans); letter-spacing: .04em; }
.hs span { display: block; margin-top: 4px; font-size: 12px; color: rgba(255, 255, 255, .52); letter-spacing: .08em; }
/* 数值与单位必须内联，避免继承上面 .hs span 的块级与 12px 字号 */
.hs b > span { display: inline; margin-top: 0; font-size: inherit; color: inherit; letter-spacing: .02em; }
.hs b .hs-unit { font-size: .46em; color: var(--gold-light); margin-left: 4px; font-family: var(--sans); letter-spacing: .04em; }

/* 右侧校徽卡 */
.hero-right { display: flex; flex-direction: column; align-items: center; gap: 18px; }
.seal-card {
  position: relative; width: 100%; padding: 38px 30px 30px; text-align: center;
  background: linear-gradient(165deg, rgba(255, 255, 255, .11), rgba(255, 255, 255, .03));
  border: 1px solid rgba(200, 164, 92, .3); border-radius: 4px;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 24px 70px rgba(1, 21, 41, .5);
}
.seal-card::before, .seal-card::after {
  content: ''; position: absolute; width: 26px; height: 26px; border: 1px solid var(--gold); opacity: .6;
}
.seal-card::before { top: 10px; left: 10px; border-right: 0; border-bottom: 0; }
.seal-card::after { bottom: 10px; right: 10px; border-left: 0; border-top: 0; }
.sc-seal { width: 132px; height: 132px; margin: 0 auto 20px; }
.sc-seal svg { width: 100%; height: 100%; }
.sc-name {
  font-family: var(--serif); font-size: 25px; font-weight: 700;
  letter-spacing: .16em; color: #fff;
}
.sc-en { margin-top: 4px; font-size: 10.5px; letter-spacing: .34em; color: var(--gold); }
.sc-lines {
  margin-top: 24px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .12);
  display: flex; flex-direction: column; gap: 12px; text-align: left;
}
.sc-lines > div { display: flex; align-items: baseline; gap: 12px; font-size: 12.5px; }
.sc-lines i {
  flex: 0 0 34px; font-style: normal; color: var(--gold);
  font-family: var(--serif); letter-spacing: .1em;
}
.sc-lines b { color: rgba(255, 255, 255, .86); font-weight: 500; letter-spacing: .05em; }
.seal-note {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: rgba(255, 255, 255, .48); letter-spacing: .05em;
}
.sn-dot { width: 6px; height: 6px; border-radius: 50%; background: #34d399; box-shadow: 0 0 8px #34d399; }

.hero-scroll {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  width: 24px; height: 40px; border: 1px solid rgba(200, 164, 92, .45); border-radius: 14px; z-index: 4;
}
.hero-scroll span {
  position: absolute; left: 50%; top: 8px; width: 3px; height: 7px; border-radius: 2px;
  background: var(--gold); transform: translateX(-50%); animation: scrolldot 1.9s infinite;
}
@keyframes scrolldot {
  0% { opacity: 0; top: 8px; }
  35% { opacity: 1; }
  100% { opacity: 0; top: 24px; }
}

/* ==========================================================================
   通用区块
   ========================================================================== */
.sec { position: relative; padding: 104px 0; background: var(--paper); }
.sec-ivory { background: linear-gradient(180deg, var(--ivory), #fff); }
.sec-ink { background: linear-gradient(170deg, var(--blue-ink), var(--blue-deep)); color: #fff; }
.sec-donation { background: linear-gradient(180deg, var(--gold-pale), #fff); }

.sec-head { max-width: 780px; margin-bottom: 62px; }
.sh-cn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--serif); font-size: 14px; letter-spacing: .24em;
  color: var(--gold-deep); margin-bottom: 18px;
}
.sh-mark { display: block; width: 30px; height: 1px; background: var(--gold); }

.sec-head h2 {
  font-family: var(--serif); font-size: clamp(28px, 3.3vw, 42px);
  font-weight: 700; letter-spacing: .05em; line-height: 1.4; color: var(--blue-ink);
}
.sec-head p { margin-top: 18px; font-size: 15px; line-height: 2; color: var(--ink-2); }

.sec-ink .sec-head h2, .sec-data .sec-head h2 { color: #fff; }
.sec-ink .sec-head p, .sec-data .sec-head p { color: rgba(255, 255, 255, .66); }
.sec-ink .sh-cn, .sec-data .sh-cn { color: var(--gold-light); }
.sec-data .sh-mark { background: var(--gold-light); }

/* ==========================================================================
   办学底蕴 · 时间轴
   ========================================================================== */
.timeline { position: relative; margin-top: 12px; }
.tl-line {
  position: absolute; left: 0; right: 0; top: 62px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 164, 92, .55), rgba(200, 164, 92, .55), transparent);
}
.tl-items { display: grid; grid-template-columns: repeat(7, 1fr); gap: 16px; position: relative; }
.tl-item { display: flex; flex-direction: column; align-items: center; text-align: center; }
.tl-year {
  font-family: var(--serif); font-size: 22px; font-weight: 700; color: var(--gold-light);
  letter-spacing: .06em; height: 62px; display: flex; align-items: flex-start; padding-top: 4px;
}
.tl-dot {
  width: 11px; height: 11px; border-radius: 50%; background: var(--blue-ink);
  border: 2px solid var(--gold); box-shadow: 0 0 0 5px rgba(200, 164, 92, .12);
  margin: 6px 0 22px; z-index: 2;
}
.tl-hi .tl-dot { background: var(--gold); box-shadow: 0 0 0 6px rgba(200, 164, 92, .22); }
.tl-card {
  padding: 18px 14px; border: 1px solid rgba(255, 255, 255, .13); border-radius: 3px;
  background: rgba(255, 255, 255, .045); transition: all .35s var(--ease); width: 100%;
}
.tl-card:hover { background: rgba(255, 255, 255, .1); border-color: rgba(200, 164, 92, .45); transform: translateY(-4px); }
.tl-card h4 { font-family: var(--serif); font-size: 14.5px; color: #fff; line-height: 1.5; letter-spacing: .03em; }
.tl-card p { margin-top: 10px; font-size: 12.5px; line-height: 1.85; color: rgba(255, 255, 255, .58); }
.tl-card b { color: var(--gold-light); }

/* 办学规模 */
.facts {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px;
  margin-top: 74px; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .1);
}
.fact { background: rgba(1, 21, 41, .42); padding: 26px 20px; text-align: center; transition: background .35s; }
.fact:hover { background: rgba(200, 164, 92, .12); }
.fact b {
  display: block; font-family: var(--serif); font-size: 30px; font-weight: 700;
  color: #fff; letter-spacing: .02em; line-height: 1.2;
}
.fact b i { font-style: normal; font-size: 14px; color: var(--gold-light); margin-left: 3px; }
.fact span { display: block; margin-top: 8px; font-size: 12.5px; color: rgba(255, 255, 255, .6); letter-spacing: .07em; }
.fact em { display: block; margin-top: 4px; font-style: normal; font-size: 11px; color: rgba(255, 255, 255, .34); }

/* ==========================================================================
   数据看板
   ========================================================================== */
.sec-data { background: linear-gradient(165deg, var(--blue-deep) 0%, var(--blue) 52%, var(--blue-mid) 100%); color: #fff; overflow: hidden; }
.data-bg { position: absolute; inset: 0; pointer-events: none; }
.db-glow { position: absolute; width: 800px; height: 800px; top: -300px; right: -200px; border-radius: 50%; background: rgba(61, 142, 214, .3); filter: blur(110px); }
.db-grid {
  position: absolute; inset: 0; opacity: .16;
  background-image: linear-gradient(rgba(255, 255, 255, .12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .12) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(circle at 60% 30%, #000, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 60% 30%, #000, transparent 72%);
}
.sec-data .wrap { position: relative; z-index: 2; }

.data-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.dc {
  position: relative; padding: 26px 24px; border-radius: 4px;
  background: linear-gradient(160deg, rgba(255, 255, 255, .13), rgba(255, 255, 255, .045));
  border: 1px solid rgba(255, 255, 255, .16); backdrop-filter: blur(10px);
  transition: all .38s var(--ease); overflow: hidden;
}
.dc::after {
  content: ''; position: absolute; left: 0; top: 0; width: 3px; height: 100%;
  background: linear-gradient(180deg, var(--gold), transparent); opacity: .85;
}
.dc:hover { transform: translateY(-6px); border-color: rgba(200, 164, 92, .5); background: linear-gradient(160deg, rgba(255, 255, 255, .19), rgba(255, 255, 255, .07)); }
.dc-lbl { font-size: 13px; color: rgba(255, 255, 255, .68); letter-spacing: .1em; }
.dc-val {
  margin-top: 12px; font-family: var(--serif); font-size: 40px; font-weight: 700;
  color: #fff; line-height: 1.1; letter-spacing: .01em;
}
.dc-val small { font-size: 15px; color: var(--gold-light); margin-left: 4px; font-family: var(--sans); }
.dc-foot { margin-top: 12px; padding-top: 12px; border-top: 1px solid rgba(255, 255, 255, .13); font-size: 12.5px; color: rgba(255, 255, 255, .56); }
.dc-foot b { color: var(--gold-light); font-weight: 600; }

.data-charts { display: grid; grid-template-columns: 1.25fr 1fr; gap: 18px; margin-top: 18px; }
.dchart {
  padding: 24px 26px; border-radius: 4px;
  background: rgba(1, 21, 41, .3); border: 1px solid rgba(255, 255, 255, .12);
}
.dchart h4 { font-family: var(--serif); font-size: 15.5px; color: #fff; letter-spacing: .06em; margin-bottom: 20px; }
.bars { display: flex; flex-direction: column; gap: 11px; }
.bar-row { display: grid; grid-template-columns: 104px 1fr 104px; align-items: center; gap: 12px; font-size: 12.5px; }
.bar-row .bn { color: rgba(255, 255, 255, .72); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar-track { height: 7px; border-radius: 4px; background: rgba(255, 255, 255, .1); overflow: hidden; }
.bar-track i { display: block; height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--blue-light), var(--gold)); transition: width 1.1s var(--ease); }
.bar-row .bv { text-align: right; color: #fff; font-family: var(--mono); font-size: 12px; white-space: nowrap; }

/* ==========================================================================
   母校要闻
   ========================================================================== */
.news-layout { display: grid; grid-template-columns: 1.6fr 1fr; gap: 52px; }
.news-main { display: flex; flex-direction: column; gap: 0; }
.news-lead {
  display: block; padding: 30px 32px; border-radius: 4px; margin-bottom: 22px;
  background: linear-gradient(150deg, var(--blue-pale), #fff);
  border: 1px solid var(--line); border-left: 3px solid var(--gold);
  transition: all .35s var(--ease);
}
.news-lead:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.news-lead .nl-tag {
  display: inline-block; padding: 3px 10px; font-size: 11.5px; letter-spacing: .1em;
  background: var(--blue); color: #fff; border-radius: 2px; margin-bottom: 14px;
}
.news-lead h3 {
  font-family: var(--serif); font-size: 21px; font-weight: 700; line-height: 1.55;
  color: var(--blue-ink); letter-spacing: .02em;
}
.news-lead p { margin-top: 12px; font-size: 14px; line-height: 1.95; color: var(--ink-2); }
.news-lead .nl-meta { margin-top: 16px; font-size: 12px; color: var(--ink-3); }

.news-item {
  display: grid; grid-template-columns: 68px 1fr; gap: 20px; align-items: start;
  padding: 20px 0; border-bottom: 1px solid var(--line); transition: all .3s var(--ease);
}
.news-item:hover { padding-left: 8px; background: linear-gradient(90deg, var(--blue-mist), transparent); }
.news-date {
  text-align: center; padding: 9px 0; border-radius: 3px;
  background: var(--blue-mist); border: 1px solid var(--line);
}
.news-date b { display: block; font-family: var(--serif); font-size: 22px; color: var(--blue); line-height: 1.1; }
.news-date span { display: block; font-size: 11px; color: var(--ink-3); margin-top: 2px; }
.news-item h4 { font-size: 15.5px; font-weight: 600; line-height: 1.7; color: var(--ink); }
.news-item:hover h4 { color: var(--blue); }
.news-item p { margin-top: 7px; font-size: 13px; line-height: 1.85; color: var(--ink-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-item .ni-meta { margin-top: 8px; font-size: 11.5px; color: var(--ink-3); }

.news-side .side-card {
  padding: 24px 26px; border-radius: 4px; border: 1px solid var(--line);
  background: linear-gradient(170deg, var(--ivory), #fff); margin-bottom: 20px;
}
.side-card h4 {
  font-family: var(--serif); font-size: 15.5px; color: var(--blue-ink);
  letter-spacing: .08em; padding-bottom: 12px; margin-bottom: 6px; border-bottom: 1px solid var(--line);
}
.quick-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 0; border-bottom: 1px dashed var(--line); font-size: 14px; color: var(--ink-2);
  transition: all .3s var(--ease);
}
.quick-link:last-child { border-bottom: 0; }
.quick-link:hover { color: var(--blue); padding-left: 6px; }
.quick-link i { font-style: normal; color: var(--gold); transition: transform .3s; }
.quick-link:hover i { transform: translateX(4px); }

/* ==========================================================================
   杰出校友
   ========================================================================== */
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.honor {
  position: relative; padding: 32px 24px 26px; text-align: center; border-radius: 4px;
  background: #fff; border: 1px solid var(--line); transition: all .4s var(--ease); overflow: hidden;
}
.honor::before {
  content: ''; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--gold), var(--blue));
  transform: scaleX(0); transition: transform .45s var(--ease);
}
.honor:hover { transform: translateY(-7px); box-shadow: var(--shadow-lg); border-color: var(--line-gold); }
.honor:hover::before { transform: scaleX(1); }
.honor-av {
  width: 78px; height: 78px; margin: 0 auto 18px; border-radius: 50%;
  display: grid; place-items: center; font-family: var(--serif);
  font-size: 26px; font-weight: 700; color: #fff; letter-spacing: .04em;
  background: linear-gradient(150deg, var(--blue), var(--blue-mid));
  box-shadow: 0 10px 26px rgba(4, 69, 133, .26), inset 0 0 0 3px rgba(200, 164, 92, .55);
}
.honor-n { font-family: var(--serif); font-size: 19px; font-weight: 700; color: var(--blue-ink); letter-spacing: .06em; }
.honor-i { margin-top: 10px; font-size: 12.5px; line-height: 1.85; color: var(--ink-2); }
.honor-tags { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-top: 14px; }
.honor-tag {
  padding: 3px 10px; font-size: 11.5px; border-radius: 100px;
  background: var(--gold-pale); color: var(--gold-deep); border: 1px solid rgba(200, 164, 92, .34);
}

/* ==========================================================================
   校友组织
   ========================================================================== */
.org-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-bottom: 54px; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.os { padding: 26px 22px; text-align: center; border-left: 1px solid var(--line); background: var(--blue-mist); }
.os:first-child { border-left: 0; }
.os b { display: block; font-family: var(--serif); font-size: 34px; font-weight: 700; color: var(--blue); line-height: 1.15; }
.os span { display: block; margin-top: 6px; font-size: 13px; color: var(--ink-2); letter-spacing: .07em; }

.org-columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.org-col { border: 1px solid var(--line); border-radius: 4px; overflow: hidden; background: #fff; transition: all .35s var(--ease); }
.org-col:hover { box-shadow: var(--shadow); }
.org-col-head {
  padding: 18px 22px; background: linear-gradient(135deg, var(--blue-ink), var(--blue));
  color: #fff; display: flex; align-items: center; justify-content: space-between;
}
.org-col-head h4 { font-family: var(--serif); font-size: 16px; letter-spacing: .08em; }
.org-col-head span { font-size: 12px; color: var(--gold-light); }
.org-list { padding: 8px 22px 18px; }
.org-row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 13px 0; border-bottom: 1px dashed var(--line); font-size: 14px;
}
.org-row:last-child { border-bottom: 0; }
.org-row b { font-weight: 500; color: var(--ink); }
.org-row .om { margin-left: auto; font-size: 12px; color: var(--ink-3); white-space: nowrap; }
.org-more { padding: 12px 22px 18px; font-size: 12.5px; color: var(--ink-3); }

/* ==========================================================================
   精彩活动
   ========================================================================== */
.act-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.act {
  position: relative; display: flex; flex-direction: column; border-radius: 4px; overflow: hidden;
  background: #fff; border: 1px solid var(--line); transition: all .4s var(--ease);
}
.act:hover { transform: translateY(-7px); box-shadow: var(--shadow-lg); border-color: var(--line-gold); }
.act-top {
  position: relative; padding: 26px 24px 20px;
  background: linear-gradient(150deg, var(--blue-ink), var(--blue-deep) 70%, var(--blue));
  color: #fff; overflow: hidden;
}
.act-top::after {
  content: ''; position: absolute; right: -40px; bottom: -60px; width: 170px; height: 170px;
  border-radius: 50%; border: 1px solid rgba(200, 164, 92, .3);
}
.act-date { display: flex; align-items: baseline; gap: 8px; }
.act-date b { font-family: var(--serif); font-size: 38px; font-weight: 700; line-height: 1; color: var(--gold-light); }
.act-date span { font-size: 12.5px; color: rgba(255, 255, 255, .62); letter-spacing: .08em; }
.act-badge {
  display: inline-block; margin-top: 14px; padding: 3px 10px; border-radius: 2px;
  font-size: 11.5px; letter-spacing: .06em;
}
.act-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.act-body h4 { font-family: var(--serif); font-size: 17px; font-weight: 700; color: var(--blue-ink); line-height: 1.55; letter-spacing: .02em; }
.act-body .am { margin-top: 12px; font-size: 12.5px; color: var(--ink-2); line-height: 1.95; }
.act-body .am i { font-style: normal; color: var(--ink-3); }
.act-foot { margin-top: auto; padding-top: 16px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); }
.act-foot .af-cap { font-size: 12.5px; color: var(--ink-3); }
.act-foot .af-go { font-size: 13px; color: var(--blue); font-weight: 500; transition: transform .3s; }
.act:hover .af-go { transform: translateX(4px); }

/* ==========================================================================
   公益捐赠
   ========================================================================== */
.don-summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 44px; }
.ds {
  padding: 24px; border-radius: 4px; background: #fff; border: 1px solid rgba(200, 164, 92, .3);
  box-shadow: 0 2px 12px rgba(200, 164, 92, .08);
}
.ds-lbl { font-size: 12.5px; color: var(--ink-3); letter-spacing: .1em; }
.ds-val { margin-top: 10px; font-family: var(--serif); font-size: 32px; font-weight: 700; color: var(--gold-deep); line-height: 1.15; }
.ds-val small { font-size: 14px; margin-left: 3px; }
.ds-foot { margin-top: 8px; font-size: 12px; color: var(--ink-3); }

.don-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.proj {
  padding: 26px 24px; border-radius: 4px; background: #fff; border: 1px solid var(--line);
  transition: all .38s var(--ease); display: flex; flex-direction: column;
}
.proj:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--line-gold); }
.proj-type {
  align-self: flex-start; padding: 3px 11px; border-radius: 2px; font-size: 11.5px;
  background: var(--blue-pale); color: var(--blue); margin-bottom: 14px; letter-spacing: .06em;
}
.proj h4 { font-family: var(--serif); font-size: 17px; font-weight: 700; color: var(--blue-ink); line-height: 1.55; }
.proj-amt { margin-top: 16px; display: flex; align-items: baseline; gap: 8px; }
.proj-amt b { font-family: var(--serif); font-size: 26px; color: var(--gold-deep); font-weight: 700; }
.proj-amt span { font-size: 12.5px; color: var(--ink-3); }
.proj-bar { margin-top: 12px; height: 8px; border-radius: 5px; background: var(--blue-mist); overflow: hidden; }
.proj-bar i { display: block; height: 100%; border-radius: 5px; background: linear-gradient(90deg, var(--gold-deep), var(--gold-light)); transition: width 1.2s var(--ease); }
.proj-meta { margin-top: 10px; display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-3); }
.proj-desc { margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--line); font-size: 13px; line-height: 1.9; color: var(--ink-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ==========================================================================
   校友服务矩阵
   ========================================================================== */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.svc {
  position: relative; padding: 30px 26px; border-radius: 4px; background: #fff;
  border: 1px solid var(--line); transition: all .38s var(--ease); overflow: hidden;
}
.svc:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(4, 69, 133, .28); }
.svc-ic {
  width: 50px; height: 50px; border-radius: 3px; display: grid; place-items: center;
  background: linear-gradient(140deg, var(--blue-pale), #fff); border: 1px solid var(--line);
  margin-bottom: 18px; transition: all .38s var(--ease);
}
.svc:hover .svc-ic { background: linear-gradient(140deg, var(--blue), var(--blue-mid)); border-color: transparent; }
.svc-ic svg { width: 24px; height: 24px; stroke: var(--blue); fill: none; stroke-width: 1.6; transition: stroke .38s; }
.svc:hover .svc-ic svg { stroke: var(--gold-light); }
.svc h4 { font-family: var(--serif); font-size: 17px; font-weight: 700; color: var(--blue-ink); letter-spacing: .04em; }
.svc p { margin-top: 10px; font-size: 13.5px; line-height: 1.95; color: var(--ink-2); }
.svc .svc-n {
  position: absolute; right: 20px; bottom: 14px; font-family: var(--serif);
  font-size: 44px; font-weight: 700; color: rgba(4, 69, 133, .05); line-height: 1;
}

.trust {
  margin-top: 54px; padding: 34px 38px; border-radius: 4px;
  background: linear-gradient(150deg, var(--blue-ink), var(--blue));
  color: #fff; display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
}
.tr { display: flex; gap: 14px; align-items: flex-start; }
.tr-ic {
  flex: 0 0 38px; width: 38px; height: 38px; border-radius: 3px; display: grid; place-items: center;
  background: rgba(200, 164, 92, .16); border: 1px solid rgba(200, 164, 92, .34);
}
.tr-ic svg { width: 19px; height: 19px; stroke: var(--gold-light); fill: none; stroke-width: 1.7; }
.tr b { display: block; font-size: 14.5px; letter-spacing: .05em; }
.tr span { display: block; margin-top: 5px; font-size: 12.5px; line-height: 1.8; color: rgba(255, 255, 255, .62); }

/* ==========================================================================
   进入平台
   ========================================================================== */
.enter {
  position: relative; padding: 116px 0; overflow: hidden; text-align: center;
  background:
    radial-gradient(900px 500px at 50% 0%, rgba(61, 142, 214, .3), transparent 66%),
    linear-gradient(170deg, var(--blue-abyss), var(--blue-ink) 46%, var(--blue-deep));
  color: #fff;
}
.enter-bg { position: absolute; inset: 0; pointer-events: none; }
.en-glow { position: absolute; width: 700px; height: 700px; left: 50%; top: -320px; transform: translateX(-50%); border-radius: 50%; background: rgba(200, 164, 92, .16); filter: blur(120px); }
.enter-coins {
  position: absolute; inset: 0; opacity: .05;
  background-image: radial-gradient(circle, transparent 46%, rgba(255, 255, 255, .9) 47%, rgba(255, 255, 255, .9) 51%, transparent 52%);
  background-size: 108px 108px;
}
.enter-in { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; }
.enter-seal { width: 104px; height: 104px; margin-bottom: 28px; }
.enter-seal svg { width: 100%; height: 100%; }
.enter h2 {
  font-family: var(--serif); font-size: clamp(28px, 3.6vw, 44px); font-weight: 700;
  letter-spacing: .14em; color: #fff;
}
.enter p { margin-top: 20px; max-width: 700px; font-size: 15px; line-height: 2.05; color: rgba(255, 255, 255, .68); }
.enter-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 40px; }
.enter-accounts {
  margin-top: 46px; padding-top: 30px; border-top: 1px solid rgba(200, 164, 92, .22);
  display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: center; align-items: center;
}
.ea-title { width: 100%; font-size: 12.5px; color: rgba(255, 255, 255, .5); letter-spacing: .08em; }
.ea-title code { color: var(--gold-light); background: rgba(200, 164, 92, .12); padding: 2px 9px; border-radius: 2px; }
.ea {
  font-size: 12.5px; color: rgba(255, 255, 255, .72); padding: 5px 14px;
  border: 1px solid rgba(255, 255, 255, .14); border-radius: 100px; transition: all .3s;
}
.ea:hover { border-color: var(--gold); color: var(--gold-light); }

/* ==========================================================================
   页脚
   ========================================================================== */
.footer { background: var(--blue-abyss); color: rgba(255, 255, 255, .62); font-size: 13px; }
.footer-in {
  display: grid; grid-template-columns: 1.35fr 1.15fr .75fr 1fr; gap: 48px;
  padding-top: 68px; padding-bottom: 52px;
}
.ft-brand { display: flex; gap: 18px; align-items: flex-start; }
.ft-seal { width: 58px; height: 58px; flex: 0 0 58px; }
.ft-seal svg { width: 100%; height: 100%; }
.ft-brand b { display: block; font-family: var(--serif); font-size: 16.5px; color: #fff; letter-spacing: .08em; }
.ft-en { display: block; margin-top: 5px; font-size: 10.5px; letter-spacing: .16em; color: rgba(255, 255, 255, .4); text-transform: uppercase; }
.ft-motto { margin-top: 14px; font-family: var(--serif); font-size: 14px; letter-spacing: .22em; color: var(--gold-light); }
.ft-col h5 {
  font-family: var(--serif); font-size: 14px; color: #fff; letter-spacing: .1em;
  margin-bottom: 18px; padding-bottom: 10px; border-bottom: 1px solid rgba(200, 164, 92, .2);
}
.ft-col p { margin-bottom: 10px; line-height: 1.85; }
.ft-col p i { font-style: normal; color: var(--gold-light); margin-right: 7px; }
.ft-col a { display: block; margin-bottom: 10px; transition: all .28s; }
.ft-col a:hover { color: var(--gold-light); padding-left: 5px; }
.ft-note { margin-top: 14px; font-size: 12px; color: rgba(255, 255, 255, .34); line-height: 1.8; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .1); font-size: 12px; color: rgba(255, 255, 255, .42); }
.fb-in { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding-top: 22px; padding-bottom: 22px; }
.footer-bottom a { color: var(--gold-light); }

/* ---------------- 回到顶部 ---------------- */
.to-top {
  position: fixed; right: 28px; bottom: 28px; width: 46px; height: 46px; z-index: 900;
  border-radius: 3px; border: 1px solid var(--line-gold); cursor: pointer;
  background: linear-gradient(140deg, var(--blue), var(--blue-deep)); color: var(--gold-light);
  font-size: 18px; opacity: 0; pointer-events: none; transform: translateY(14px);
  transition: all .35s var(--ease); box-shadow: 0 8px 26px rgba(2, 32, 63, .3);
}
.to-top.on { opacity: 1; pointer-events: auto; transform: none; }
.to-top:hover { background: linear-gradient(140deg, var(--gold), var(--gold-deep)); color: #fff; }

/* 加载骨架 */
.skeleton {
  background: linear-gradient(90deg, rgba(4, 69, 133, .06) 25%, rgba(4, 69, 133, .12) 37%, rgba(4, 69, 133, .06) 63%);
  background-size: 400% 100%; animation: shimmer 1.5s infinite; border-radius: 3px;
}
@keyframes shimmer { 0% { background-position: 100% 0; } 100% { background-position: 0 0; } }
.sec-ink .skeleton, .sec-data .skeleton, .enter .skeleton {
  background: linear-gradient(90deg, rgba(255, 255, 255, .05) 25%, rgba(255, 255, 255, .12) 37%, rgba(255, 255, 255, .05) 63%);
  background-size: 400% 100%;
}
.empty { padding: 30px; text-align: center; color: var(--ink-3); font-size: 13.5px; }
.sec-ink .empty, .sec-data .empty { color: rgba(255, 255, 255, .45); }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1180px) {
  .hero-in { grid-template-columns: 1fr; gap: 48px; }
  .hero-right { flex-direction: row; align-items: stretch; }
  .seal-card { width: 100%; max-width: 380px; }
  .seal-note { align-self: flex-end; }
  .menu { display: none; }
  .menu-toggle { display: block; margin-left: auto; }
  .nav.open .menu {
    display: flex; flex-direction: column; align-items: stretch; gap: 0;
    position: absolute; left: 0; right: 0; top: 100%; padding: 12px 32px 22px;
    background: rgba(255, 255, 255, .99); box-shadow: var(--shadow-lg);
  }
  .nav.open .menu a { color: var(--ink-2); padding: 13px 0; border-bottom: 1px solid var(--line); }
  .nav.open .menu a::after { display: none; }
  .news-layout { grid-template-columns: 1fr; gap: 34px; }
  .honor-grid { grid-template-columns: repeat(3, 1fr); }
  .tl-items { grid-template-columns: repeat(4, 1fr); row-gap: 34px; }
  .tl-line { display: none; }
  .facts { grid-template-columns: repeat(3, 1fr); }
  .data-cards { grid-template-columns: repeat(2, 1fr); }
  .data-charts { grid-template-columns: 1fr; }
  .org-columns, .act-grid, .don-grid, .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .trust { grid-template-columns: repeat(2, 1fr); }
  .footer-in { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .wrap { padding: 0 20px; }
  .topbar-in { justify-content: center; }
  .tb-right { display: none; }
  .nav-in { height: 66px; gap: 10px; }
  /* 移动端：品牌收缩 + 隐藏顶部按钮，把平台入口放进抽屉菜单，保证汉堡始终可见 */
  .brand { gap: 10px; flex: 1 1 auto; min-width: 0; overflow: hidden; }
  .brand-seal { width: 38px; height: 38px; flex: 0 0 38px; }
  .brand-txt { min-width: 0; }
  .brand-txt i { display: none; }
  .brand-txt b { font-size: 15px; letter-spacing: .02em; overflow: hidden; text-overflow: ellipsis; }
  .nav-cta { display: none; }
  .menu-toggle { display: block; flex: 0 0 auto; margin-left: auto; }
  .menu-cta { display: none; }
  .nav.open .menu .menu-cta {
    display: block; margin-top: 12px; padding: 13px 16px; text-align: center;
    background: linear-gradient(135deg, var(--gold), var(--gold-deep)); color: #fff !important;
    border: 0; border-radius: 2px; font-weight: 500;
  }
  .hero { min-height: auto; padding: 24px 0 0; margin-top: -66px; }
  .hero-in { padding-bottom: 70px; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 18px 0; }
  .hs { padding: 0 10px; }
  .hero-right { flex-direction: column; }
  .seal-note { align-self: center; }
  .sec { padding: 68px 0; }
  .tl-items { grid-template-columns: repeat(2, 1fr); }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .data-cards { grid-template-columns: 1fr; }
  .honor-grid, .org-columns, .act-grid, .don-grid, .svc-grid, .org-stats, .don-summary { grid-template-columns: 1fr; }
  .org-stats, .don-summary { gap: 14px; }
  .os { border-left: 0; border-top: 1px solid var(--line); }
  .os:first-child { border-top: 0; }
  .trust { grid-template-columns: 1fr; padding: 26px 22px; gap: 22px; }
  .footer-in { grid-template-columns: 1fr; gap: 34px; }
  .news-item { grid-template-columns: 56px 1fr; gap: 14px; }
  .enter { padding: 76px 0; }
  .enter h2 { letter-spacing: .08em; }
  .bar-row { grid-template-columns: 78px 1fr 92px; gap: 8px; }
}

/* 抽屉菜单里默认不显示平台入口（仅移动端抽屉使用） */
.menu-cta { display: none; }