/* ==========================================================================
   屹万网络 · 官网样式表
   安阳屹万网络科技有限公司 | yiwanwangluo.top
   风格：游戏商务 / 深色霓虹 / PC + 移动自适应
   ========================================================================== */

/* ---------- 1. 变量 ---------- */
:root {
  --bg: #070b14;
  --bg-2: #0a1120;
  --surface: #0f1a2c;
  --surface-2: #142238;
  --surface-3: #1a2b45;

  --line: rgba(120, 180, 255, .14);
  --line-2: rgba(120, 180, 255, .26);
  --line-cyan: rgba(0, 229, 255, .38);

  --cyan: #00e5ff;
  --cyan-dim: #0891a8;
  --violet: #7c5cff;
  --gold: #ffb020;
  --green: #25e0a0;
  --pink: #ff4d8d;

  --text: #e9f1fb;
  --text-2: #b7c7dd;
  --muted: #8195b0;

  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 22px;

  --container: 1200px;
  --header-h: 72px;

  --shadow: 0 18px 50px -18px rgba(0, 0, 0, .85);
  --glow-cyan: 0 0 0 1px rgba(0, 229, 255, .25), 0 12px 40px -12px rgba(0, 229, 255, .35);
  --ease: cubic-bezier(.22, .8, .28, 1);
}

/* ---------- 2. 重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB",
               "Source Han Sans SC", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont,
               "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.nav-open { overflow: hidden; }

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s var(--ease); }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4, h5 {
  margin: 0;
  line-height: 1.28;
  font-weight: 700;
  letter-spacing: -.01em;
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

::selection { background: rgba(0, 229, 255, .32); color: #fff; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--cyan-dim), var(--violet));
  border-radius: 99px;
  border: 2px solid var(--bg-2);
}

/* ---------- 3. 布局工具 ---------- */
.container,
.container-wide {
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
}
.container { max-width: var(--container); }
/* 可单独使用，也可叠加在 .container 上（叠加时覆盖其 max-width） */
.container-wide { max-width: 1360px; }

.section { padding: 96px 0; position: relative; }
.section-sm { padding: 64px 0; }
.section-alt { background: linear-gradient(180deg, transparent, rgba(12, 22, 40, .72), transparent); }

.grid { display: grid; gap: 22px; }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }

.text-cyan { color: var(--cyan); }
.text-gold { color: var(--gold); }
.text-muted { color: var(--muted); }
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.mono {
  font-family: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  font-variant-numeric: tabular-nums;
}

/* ---------- 4. 通用背景装饰 ---------- */
.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(120, 180, 255, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 180, 255, .055) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 78%);
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .42;
  pointer-events: none;
  z-index: 0;
}
.orb-cyan { background: radial-gradient(circle, rgba(0, 229, 255, .55), transparent 68%); }
.orb-violet { background: radial-gradient(circle, rgba(124, 92, 255, .55), transparent 68%); }

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: all .28s var(--ease);
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
}
.btn svg { width: 17px; height: 17px; flex: 0 0 auto; }

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), #0090ff 55%, var(--violet));
  color: #04121c;
  box-shadow: 0 10px 30px -10px rgba(0, 229, 255, .6);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -10px rgba(0, 229, 255, .8);
  color: #04121c;
}

.btn-ghost {
  border-color: var(--line-2);
  color: var(--text-2);
  background: rgba(20, 34, 56, .5);
}
.btn-ghost:hover {
  border-color: var(--line-cyan);
  color: var(--cyan);
  background: rgba(0, 229, 255, .07);
}

.btn-lg { padding: 16px 34px; font-size: 16px; border-radius: 12px; }
.btn-sm { padding: 9px 18px; font-size: 13.5px; }
.btn-block { width: 100%; }

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

/* ---------- 6. 头部导航 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 900;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background .35s var(--ease), border-color .35s var(--ease), backdrop-filter .35s;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(7, 11, 20, .86);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 26px;
  width: 100%;
}

.logo { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }

/* 六边形徽标：棱角化处理，贴合游戏与交易的调性
   注意 clip-path 在 filter 之后生效，两者不能放在同一元素上，
   否则 drop-shadow 会被裁掉。因此裁剪下沉到伪元素，filter 留在父级。 */
.logo-mark {
  position: relative;
  width: 40px; height: 40px;
  flex: 0 0 auto;
  display: grid; place-items: center;
  color: #04121c;
  filter: drop-shadow(0 5px 14px rgba(0, 229, 255, .45));
}
.logo-mark::before,
.logo-mark::after {
  content: "";
  position: absolute;
  inset: 0;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}
.logo-mark::before {
  background: linear-gradient(140deg, var(--cyan) 0%, #4a9dff 48%, var(--violet) 100%);
}
/* 顶部高光，给徽标一点体积感 */
.logo-mark::after {
  background: linear-gradient(180deg, rgba(255, 255, 255, .45), transparent 46%);
  pointer-events: none;
}
.logo-mark svg { position: relative; z-index: 1; width: 22px; height: 22px; }
.logo-mark .logo-ch {
  position: relative;
  z-index: 1;
  font-size: 20px;
  font-weight: 800;
  line-height: 1;
  transform: translateY(-1px);
}

.logo-text { display: flex; flex-direction: column; line-height: 1.12; }
.logo-text b {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .06em;
  color: var(--text);
}
.logo-text i {
  font-style: normal;
  font-size: 8.5px;
  letter-spacing: .3em;
  color: var(--muted);
  font-weight: 700;
  margin-top: 2px;
}

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav a {
  padding: 9px 15px;
  border-radius: 8px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-2);
  position: relative;
}
.nav a:hover { color: var(--cyan); background: rgba(0, 229, 255, .07); }
.nav a.active { color: var(--cyan); }
.nav a.active::after {
  content: "";
  position: absolute;
  left: 15px; right: 15px; bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

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

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: 10px;
  border: 1px solid var(--line-2);
  position: relative;
  background: rgba(20, 34, 56, .6);
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  position: absolute;
  left: 50%;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transform: translateX(-50%);
  transition: all .3s var(--ease);
}
.nav-toggle span { top: 50%; margin-top: -1px; }
.nav-toggle span::before { content: ""; top: -6px; left: 0; transform: none; }
.nav-toggle span::after { content: ""; top: 6px; left: 0; transform: none; }
body.nav-open .nav-toggle span { background: transparent; }
body.nav-open .nav-toggle span::before { top: 0; transform: rotate(45deg); }
body.nav-open .nav-toggle span::after { top: 0; transform: rotate(-45deg); }

/* ---------- 7. 首页 Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 76px) 0 88px;
  overflow: hidden;
}
.hero .orb-cyan { width: 620px; height: 620px; top: -260px; right: -160px; }
.hero .orb-violet { width: 520px; height: 520px; bottom: -280px; left: -180px; opacity: .32; }

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 56px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 15px 7px 11px;
  border-radius: 99px;
  border: 1px solid var(--line-cyan);
  background: rgba(0, 229, 255, .07);
  font-size: 13px;
  color: var(--cyan);
  font-weight: 500;
  margin-bottom: 26px;
}
.badge .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(37, 224, 160, .16);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(37, 224, 160, .16); }
  50% { box-shadow: 0 0 0 8px rgba(37, 224, 160, 0); }
}

.hero h1 {
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 1.16;
  letter-spacing: -.02em;
  margin-bottom: 22px;
}
.hero h1 .grad {
  background: linear-gradient(100deg, var(--cyan) 10%, #6ea8ff 45%, var(--violet) 85%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: 16.5px;
  color: var(--text-2);
  max-width: 560px;
  margin-bottom: 32px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.hero-trust li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--muted);
}
.hero-trust svg { width: 16px; height: 16px; color: var(--green); flex: 0 0 auto; }

/* Hero 右侧面板 */
.hero-panel {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-2);
  background: linear-gradient(160deg, rgba(20, 34, 56, .95), rgba(10, 17, 32, .95));
  box-shadow: var(--shadow), 0 0 0 1px rgba(0, 229, 255, .06) inset;
  padding: 22px;
  overflow: hidden;
}
.hero-panel::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: .8;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 16px;
}
.panel-title { display: flex; align-items: center; gap: 9px; font-size: 14px; font-weight: 600; }
.panel-title .led {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
  animation: pulse 1.8s infinite;
}
.panel-tag {
  font-size: 11.5px;
  color: var(--muted);
  letter-spacing: .08em;
  font-weight: 600;
}

.tick-list { display: flex; flex-direction: column; gap: 10px; }
.tick {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 11px 13px;
  border-radius: var(--radius-sm);
  background: rgba(11, 18, 32, .72);
  border: 1px solid var(--line);
  font-size: 13.5px;
}
.tick-name { display: flex; align-items: center; gap: 9px; color: var(--text-2); }
.tick-name .chip {
  width: 26px; height: 26px;
  border-radius: 7px;
  display: grid; place-items: center;
  font-size: 12px;
  font-weight: 700;
  flex: 0 0 auto;
}
.chip-cyan { background: rgba(0, 229, 255, .13); color: var(--cyan); }
.chip-violet { background: rgba(124, 92, 255, .16); color: #a58fff; }
.chip-gold { background: rgba(255, 176, 32, .14); color: var(--gold); }
.chip-green { background: rgba(37, 224, 160, .13); color: var(--green); }
.tick-val { font-size: 13px; font-weight: 700; }
.tick-val.up { color: var(--green); }
.tick-val.down { color: var(--pink); }

.panel-foot {
  margin-top: 16px;
  padding-top: 15px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 10px;
}
.panel-foot .mini {
  flex: 1;
  text-align: center;
  padding: 10px 6px;
  border-radius: var(--radius-sm);
  background: rgba(11, 18, 32, .6);
  border: 1px solid var(--line);
}
.panel-foot .mini b { display: block; font-size: 17px; color: var(--cyan); font-weight: 800; }
.panel-foot .mini > span { font-size: 11.5px; color: var(--muted); }

/* ---------- 8. 数字条 ---------- */
.stats {
  position: relative;
  z-index: 2;
  margin-top: 12px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(0, 229, 255, .04), rgba(124, 92, 255, .05), rgba(0, 229, 255, .04));
}
.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat {
  padding: 34px 20px;
  text-align: center;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: none; }
.stat b {
  display: block;
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 800;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}
.stat b em { font-style: normal; font-size: .56em; margin-left: 2px; }
/* 只作用于标签，别误伤 <b> 里那个数字 span —— 否则数字会被设成块级
   并覆盖字号与渐变所需的 transparent 颜色 */
.stat > span { display: block; margin-top: 7px; font-size: 13.5px; color: var(--muted); }

/* ---------- 9. 区块标题 ---------- */
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head.left { margin-left: 0; text-align: left; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.section-head h2 {
  font-size: clamp(24px, 3.1vw, 36px);
  margin-bottom: 16px;
  letter-spacing: -.02em;
}
.section-head p { color: var(--muted); font-size: 15.5px; }

/* ---------- 10. 卡片通用 ---------- */
.card {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(20, 34, 56, .72), rgba(12, 20, 36, .72));
  padding: 28px 26px;
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
  overflow: hidden;
  height: 100%;
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(0, 229, 255, .1), transparent 65%);
  opacity: 0;
  transition: opacity .35s var(--ease);
  pointer-events: none;
}
.card:hover {
  transform: translateY(-5px);
  border-color: var(--line-cyan);
  box-shadow: 0 22px 50px -22px rgba(0, 229, 255, .5);
}
.card:hover::after { opacity: 1; }

.card-icon {
  width: 50px; height: 50px;
  border-radius: 13px;
  display: grid; place-items: center;
  margin-bottom: 20px;
  border: 1px solid var(--line-2);
  background: rgba(0, 229, 255, .07);
  color: var(--cyan);
  transition: all .35s var(--ease);
}
.card:hover .card-icon {
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  color: #04121c;
  border-color: transparent;
  box-shadow: 0 10px 26px -10px rgba(0, 229, 255, .8);
}
.card-icon svg { width: 24px; height: 24px; }

.card h3 { font-size: 18.5px; margin-bottom: 11px; }
.card p { color: var(--muted); font-size: 14.5px; line-height: 1.8; }

.card-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.tag {
  font-size: 12px;
  padding: 4px 11px;
  border-radius: 6px;
  background: rgba(124, 92, 255, .12);
  border: 1px solid rgba(124, 92, 255, .26);
  color: #a58fff;
}

.card-num {
  position: absolute;
  top: 18px; right: 22px;
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
  color: rgba(120, 180, 255, .07);
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

/* ---------- 11. 交易流程 ---------- */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; position: relative; }
.flow-step {
  position: relative;
  text-align: center;
  padding: 26px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(12, 20, 36, .6);
  transition: all .35s var(--ease);
}
.flow-step:hover { border-color: var(--line-cyan); background: rgba(0, 229, 255, .05); transform: translateY(-4px); }
.flow-step .num {
  width: 42px; height: 42px;
  margin: 0 auto 16px;
  border-radius: 12px;
  display: grid; place-items: center;
  font-weight: 800;
  font-size: 16px;
  background: linear-gradient(135deg, rgba(0, 229, 255, .18), rgba(124, 92, 255, .18));
  border: 1px solid var(--line-cyan);
  color: var(--cyan);
}
.flow-step h4 { font-size: 15.5px; margin-bottom: 8px; }
.flow-step p { font-size: 13px; color: var(--muted); line-height: 1.7; }
.flow-step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 47px; right: -14px;
  width: 14px; height: 1px;
  background: linear-gradient(90deg, var(--line-cyan), transparent);
}

/* ---------- 12. 优势列表 ---------- */
.adv-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.adv {
  display: flex;
  gap: 15px;
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(12, 20, 36, .5);
  transition: all .3s var(--ease);
}
.adv:hover { border-color: var(--line-2); background: rgba(20, 34, 56, .6); }
.adv-ico {
  width: 42px; height: 42px;
  flex: 0 0 auto;
  border-radius: 11px;
  display: grid; place-items: center;
  background: rgba(37, 224, 160, .1);
  border: 1px solid rgba(37, 224, 160, .3);
  color: var(--green);
}
.adv-ico svg { width: 21px; height: 21px; }
.adv h4 { font-size: 15.5px; margin-bottom: 6px; }
.adv p { font-size: 13.5px; color: var(--muted); line-height: 1.72; }

/* ---------- 13. 合作模式 / 价格层级 ---------- */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.tier {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(20, 34, 56, .7), rgba(10, 17, 32, .8));
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: all .35s var(--ease);
}
.tier:hover { transform: translateY(-5px); border-color: var(--line-2); }
.tier.featured {
  border-color: var(--line-cyan);
  box-shadow: 0 0 0 1px rgba(0, 229, 255, .18), 0 26px 60px -26px rgba(0, 229, 255, .55);
  background: linear-gradient(170deg, rgba(0, 229, 255, .07), rgba(124, 92, 255, .06));
}
.tier-flag {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .05em;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  color: #04121c;
  white-space: nowrap;
}
.tier-name { font-size: 14px; font-weight: 700; letter-spacing: .1em; color: var(--cyan); margin-bottom: 12px; }
.tier h3 { font-size: 22px; margin-bottom: 8px; }
.tier .desc { font-size: 13.5px; color: var(--muted); margin-bottom: 22px; min-height: 44px; }
.tier ul { display: flex; flex-direction: column; gap: 11px; flex: 1; margin-bottom: 26px; }
.tier li { display: flex; gap: 10px; font-size: 14px; color: var(--text-2); align-items: flex-start; }
.tier li svg { width: 17px; height: 17px; color: var(--cyan); flex: 0 0 auto; margin-top: 4px; }

/* ---------- 14. 游戏跑马灯 ---------- */
.marquee {
  position: relative;
  overflow: hidden;
  /* 与 .container 的版心对齐并居中。
     .marquee 是 section 的直接子元素，默认会铺满整个视口宽度，
     而上方标题位于居中的 1200px 版心内，两者左边缘对不齐。 */
  max-width: calc(var(--container) - 48px);
  margin: 0 auto;
  padding: 8px 0;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track { display: flex; gap: 14px; width: max-content; animation: scroll-x 42s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee + .marquee { margin-top: 14px; }
.marquee.reverse .marquee-track { animation-direction: reverse; animation-duration: 52s; }
@keyframes scroll-x {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.game-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: 99px;
  border: 1px solid var(--line);
  background: rgba(15, 26, 44, .8);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  white-space: nowrap;
  transition: all .3s var(--ease);
}
.game-pill:hover { border-color: var(--line-cyan); color: var(--cyan); }
.game-pill .gdot {
  width: 8px; height: 8px;
  border-radius: 3px;
  flex: 0 0 auto;
}

/* ---------- 15. 合规区 ---------- */
.compliance {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background:
    linear-gradient(150deg, rgba(0, 229, 255, .05), transparent 45%),
    rgba(12, 20, 36, .7);
  padding: 44px;
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 44px;
  align-items: center;
}
.compliance h2 { font-size: clamp(22px, 2.6vw, 30px); margin-bottom: 16px; }
.compliance-lead { color: var(--muted); font-size: 15px; }
.comp-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.comp-item {
  display: flex;
  gap: 12px;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  background: rgba(7, 11, 20, .55);
  border: 1px solid var(--line);
}
.comp-item .ci {
  width: 34px; height: 34px;
  flex: 0 0 auto;
  border-radius: 9px;
  display: grid; place-items: center;
  background: rgba(0, 229, 255, .09);
  color: var(--cyan);
}
.comp-item .ci svg { width: 17px; height: 17px; }
.comp-item b { display: block; font-size: 14.5px; margin-bottom: 3px; }
.comp-item span { font-size: 12.5px; color: var(--muted); line-height: 1.6; }

/* ---------- 16. 新闻 ---------- */
.news-card { display: flex; flex-direction: column; }
.news-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  color: var(--muted);
  margin-bottom: 14px;
}
.news-cat {
  padding: 3px 10px;
  border-radius: 5px;
  background: rgba(0, 229, 255, .1);
  border: 1px solid rgba(0, 229, 255, .24);
  color: var(--cyan);
  font-weight: 600;
  font-size: 12px;
}
.news-card h3 { font-size: 17px; line-height: 1.5; margin-bottom: 10px; transition: color .25s; }
.news-card:hover h3 { color: var(--cyan); }
.news-more {
  margin-top: 18px;
  font-size: 13.5px;
  color: var(--cyan);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-more svg { width: 15px; height: 15px; transition: transform .28s var(--ease); }
.news-card:hover .news-more svg { transform: translateX(4px); }

/* ---------- 17. CTA ---------- */
.cta-band {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 60px 48px;
  text-align: center;
  border: 1px solid var(--line-cyan);
  background:
    radial-gradient(ellipse 70% 130% at 50% 0%, rgba(0, 229, 255, .16), transparent 62%),
    linear-gradient(160deg, rgba(20, 34, 56, .92), rgba(10, 17, 32, .95));
}
.cta-band .bg-grid { mask-image: radial-gradient(ellipse 70% 100% at 50% 50%, #000, transparent 72%); -webkit-mask-image: radial-gradient(ellipse 70% 100% at 50% 50%, #000, transparent 72%); }
.cta-band > * { position: relative; z-index: 2; }
.cta-band h2 { font-size: clamp(24px, 3vw, 34px); margin-bottom: 14px; }
.cta-band p { color: var(--muted); font-size: 15.5px; max-width: 620px; margin: 0 auto 32px; }

/* ---------- 18. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: 20px;
  padding: 64px 0 0;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(10, 17, 32, .5), rgba(5, 8, 14, .95));
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding-bottom: 46px;
}
.footer-brand .logo { margin-bottom: 18px; }
.footer-brand p { font-size: 13.5px; color: var(--muted); line-height: 1.85; max-width: 320px; }
.footer-contact { margin-top: 20px; display: flex; flex-direction: column; gap: 9px; }
.footer-contact li { display: flex; gap: 9px; font-size: 13.5px; color: var(--text-2); align-items: flex-start; }
.footer-contact svg { width: 15px; height: 15px; color: var(--cyan); flex: 0 0 auto; margin-top: 4px; }

.footer-col h4 {
  font-size: 14.5px;
  margin-bottom: 20px;
  color: var(--text);
  letter-spacing: .02em;
}
.footer-col ul { display: flex; flex-direction: column; gap: 11px; }
.footer-col a { font-size: 13.5px; color: var(--muted); }
.footer-col a:hover { color: var(--cyan); padding-left: 3px; }
.footer-col li { font-size: 13.5px; color: var(--muted); }

.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 22px 0 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--muted);
}
.footer-legal { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; }
.footer-legal a:hover { color: var(--cyan); }
.icp { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; }
.icp a { color: var(--muted); }
.icp a:hover { color: var(--cyan); }

/* ---------- 19. 内页 Banner ---------- */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 68px) 0 60px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.page-hero .orb-cyan { width: 520px; height: 520px; top: -300px; right: -140px; opacity: .3; }
.page-hero-inner { position: relative; z-index: 2; max-width: 760px; }
.page-hero h1 { font-size: clamp(28px, 3.8vw, 44px); margin-bottom: 18px; letter-spacing: -.02em; }
.page-hero p { color: var(--text-2); font-size: 16px; max-width: 640px; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
}
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb span { opacity: .45; }

/* ---------- 20. 内容排版（协议 / 长文） ---------- */
.doc {
  max-width: 880px;
  margin: 0 auto;
}
.doc h2 {
  font-size: 21px;
  margin: 40px 0 16px;
  padding-left: 15px;
  border-left: 3px solid var(--cyan);
  line-height: 1.4;
}
.doc h2:first-child { margin-top: 0; }
.doc h3 { font-size: 17px; margin: 26px 0 12px; color: var(--text); }
.doc p, .doc li { color: var(--text-2); font-size: 14.5px; line-height: 1.9; }
.doc p { margin-bottom: 14px; }
.doc ul { list-style: none; margin: 0 0 16px; }
.doc ul li { position: relative; padding-left: 18px; margin-bottom: 9px; }
.doc ul li::before {
  content: "";
  position: absolute;
  left: 2px; top: 12px;
  width: 6px; height: 6px;
  border-radius: 2px;
  background: var(--cyan);
  opacity: .7;
}
.doc-note {
  padding: 18px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-2);
  background: rgba(0, 229, 255, .05);
  font-size: 14px;
  color: var(--text-2);
  margin-bottom: 32px;
}
.doc-note b { color: var(--cyan); }

/* ---------- 21. 表格 ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); margin: 20px 0 30px; }
table { width: 100%; border-collapse: collapse; min-width: 560px; font-size: 14px; }
th, td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--line); }
th { background: rgba(0, 229, 255, .06); font-weight: 600; font-size: 13.5px; color: var(--cyan); white-space: nowrap; }
td { color: var(--text-2); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: rgba(120, 180, 255, .035); }

/* ---------- 22. 表单 ---------- */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; font-weight: 600; color: var(--text-2); }
.field label .req { color: var(--pink); margin-left: 3px; }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-2);
  background: rgba(7, 11, 20, .7);
  color: var(--text);
  font: inherit;
  font-size: 14.5px;
  transition: all .25s var(--ease);
  outline: none;
}
.field textarea { resize: vertical; min-height: 130px; line-height: 1.7; }
.field select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238195b0' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 42px;
}
.field select option { background: #0f1a2c; color: var(--text); }
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, .13);
  background: rgba(0, 229, 255, .035);
}
.field input::placeholder, .field textarea::placeholder { color: #5c6d85; }

.form-note { font-size: 12.5px; color: var(--muted); line-height: 1.7; margin-top: 4px; }
.form-msg {
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  display: none;
  border: 1px solid rgba(37, 224, 160, .35);
  background: rgba(37, 224, 160, .08);
  color: var(--green);
}
.form-msg.show { display: block; }

/* ---------- 23. 联系信息卡 ---------- */
.contact-item {
  display: flex;
  gap: 16px;
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(12, 20, 36, .55);
  transition: all .3s var(--ease);
  height: 100%;
}
.contact-item:hover { border-color: var(--line-cyan); background: rgba(0, 229, 255, .045); }
.contact-item .ci {
  width: 46px; height: 46px;
  flex: 0 0 auto;
  border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(0, 229, 255, .14), rgba(124, 92, 255, .14));
  border: 1px solid var(--line-2);
  color: var(--cyan);
}
.contact-item .ci svg { width: 21px; height: 21px; }
.contact-item h4 { font-size: 15px; margin-bottom: 6px; }
.contact-item p, .contact-item a { font-size: 14px; color: var(--muted); line-height: 1.7; word-break: break-all; }
.contact-item a:hover { color: var(--cyan); }

/* ---------- 24. 关于页时间线 ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 8px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--violet), transparent);
  opacity: .55;
}
.tl-item { position: relative; padding-bottom: 34px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -34px; top: 7px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 229, 255, .1);
}
.tl-year {
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: .08em;
  margin-bottom: 6px;
}
.tl-item h4 { font-size: 16.5px; margin-bottom: 7px; }
.tl-item p { font-size: 14px; color: var(--muted); line-height: 1.8; }

/* ---------- 25. 入场动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
  .dot, .led { animation: none; }
  * { transition-duration: .01ms !important; }
}

/* ---------- 26. 响应式 ---------- */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; gap: 46px; }
  .hero-panel { max-width: 560px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 34px; }
  .flow { grid-template-columns: repeat(3, 1fr); }
  .flow-step:not(:last-child)::after { display: none; }
  .compliance { grid-template-columns: 1fr; gap: 32px; padding: 34px; }
}

@media (max-width: 900px) {
  :root { --header-h: 64px; }
  .section { padding: 72px 0; }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 18px 24px 40px;
    background: rgba(7, 11, 20, .98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--line);
    margin-left: 0;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all .3s var(--ease);
  }
  body.nav-open .nav { opacity: 1; visibility: visible; transform: none; }
  .nav a {
    padding: 16px 4px;
    font-size: 16px;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }
  .nav a.active::after { display: none; }
  .nav a.active { color: var(--cyan); }

  .nav-toggle { display: block; }
  .header-actions .btn { display: none; }
  .header-actions .btn-keep { display: inline-flex; }

  .g-4, .g-3 { grid-template-columns: repeat(2, 1fr); }
  .adv-list { grid-template-columns: repeat(2, 1fr); }
  .tiers { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .tier.featured { order: -1; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .comp-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 46px 26px; }
}

@media (max-width: 640px) {
  body { font-size: 14.5px; }
  .container,
  .container-wide { padding: 0 18px; }
  .section { padding: 58px 0; }
  .section-head { margin-bottom: 38px; }
  /* 小屏上 .container 的内边距变为 18px，跑马灯同步收窄以保持对齐 */
  .marquee { max-width: calc(100% - 36px); }

  .hero { padding: calc(var(--header-h) + 46px) 0 58px; }
  .hero h1 { font-size: 27px; }
  .hero-sub { font-size: 15px; }
  .hero-trust { gap: 9px 16px; gap: 9px 16px; }
  .hero-trust li { font-size: 12.5px; }
  .btn-row .btn { flex: 1 1 100%; }
  .btn { padding: 13px 20px; }

  .g-4, .g-3, .g-2, .adv-list, .flow { grid-template-columns: 1fr; }
  .tiers { max-width: none; }
  .stat { padding: 24px 12px; }
  .stat b { font-size: 26px; }
  .stat > span { font-size: 12.5px; }

  .card { padding: 24px 20px; }
  .compliance { padding: 26px 20px; }
  .cta-band { padding: 38px 20px; }
  .page-hero { padding: calc(var(--header-h) + 46px) 0 44px; }

  .footer-top { grid-template-columns: 1fr; gap: 30px; padding-bottom: 34px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
  .doc h2 { font-size: 18px; }
  .timeline { padding-left: 28px; }
  .tl-item::before { left: -28px; }
}

/* ---------- 27. 内页：左右分栏 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: center;
}
.split + .split { margin-top: 88px; }
.split.reverse .split-visual { order: -1; }

.split h2 { font-size: clamp(22px, 2.7vw, 31px); margin-bottom: 16px; letter-spacing: -.02em; }
.split .lead { color: var(--muted); font-size: 15px; margin-bottom: 26px; }

.feature-list { display: flex; flex-direction: column; gap: 16px; }
.feature-list li { display: flex; gap: 13px; align-items: flex-start; }
.feature-list .fi {
  width: 30px; height: 30px;
  flex: 0 0 auto;
  border-radius: 8px;
  display: grid; place-items: center;
  background: rgba(0, 229, 255, .1);
  border: 1px solid rgba(0, 229, 255, .28);
  color: var(--cyan);
  margin-top: 2px;
}
.feature-list .fi svg { width: 15px; height: 15px; }
.feature-list b { display: block; font-size: 15px; margin-bottom: 3px; }
.feature-list span { font-size: 13.5px; color: var(--muted); line-height: 1.7; }

.split-visual {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-2);
  background: linear-gradient(160deg, rgba(20, 34, 56, .9), rgba(10, 17, 32, .95));
  padding: 26px;
  box-shadow: var(--shadow);
}
.split-visual .sv-head {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 15px; margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.split-visual .sv-head b { font-size: 14.5px; }
.sv-list { display: flex; flex-direction: column; gap: 9px; }
.sv-row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  background: rgba(7, 11, 20, .6);
  border: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--text-2);
}
.sv-row .k { display: flex; align-items: center; gap: 9px; }
.sv-row .k::before {
  content: ""; width: 6px; height: 6px; border-radius: 2px;
  background: var(--cyan); flex: 0 0 auto;
}
.sv-row b { color: var(--cyan); font-size: 13px; }

/* ---------- 28. 内页：图标卡三列 ---------- */
.mini-card {
  padding: 24px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(12, 20, 36, .5);
  transition: all .3s var(--ease);
  height: 100%;
}
.mini-card:hover { border-color: var(--line-cyan); background: rgba(0, 229, 255, .045); transform: translateY(-4px); }
.mini-card .mc-ico {
  width: 44px; height: 44px; border-radius: 11px;
  display: grid; place-items: center;
  background: rgba(124, 92, 255, .13);
  border: 1px solid rgba(124, 92, 255, .3);
  color: #a58fff;
  margin-bottom: 16px;
}
.mini-card .mc-ico svg { width: 21px; height: 21px; }
.mini-card h4 { font-size: 16px; margin-bottom: 9px; }
.mini-card p { font-size: 13.5px; color: var(--muted); line-height: 1.75; }

/* ---------- 29. 内页：步骤表 / 编号列表 ---------- */
.steps { display: flex; flex-direction: column; gap: 0; }
.step-row {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px dashed var(--line);
}
.step-row:last-child { border-bottom: none; }
.step-idx {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: grid; place-items: center;
  font-weight: 800;
  font-size: 15px;
  background: linear-gradient(135deg, rgba(0, 229, 255, .16), rgba(124, 92, 255, .16));
  border: 1px solid var(--line-cyan);
  color: var(--cyan);
}
.step-row h4 { font-size: 16.5px; margin-bottom: 8px; }
.step-row p { font-size: 14px; color: var(--muted); }
.step-row .meta { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 10px; }
.step-row .meta i {
  font-style: normal; font-size: 12px; padding: 3px 10px; border-radius: 6px;
  background: rgba(37, 224, 160, .1); border: 1px solid rgba(37, 224, 160, .26); color: var(--green);
}

/* ---------- 30. FAQ ---------- */
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(12, 20, 36, .5);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .3s var(--ease);
}
.faq-item[open] { border-color: var(--line-cyan); }
.faq-item summary {
  padding: 18px 22px;
  font-size: 15.5px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  width: 9px; height: 9px;
  flex: 0 0 auto;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg) translateY(-3px);
  transition: transform .3s var(--ease);
}
.faq-item[open] summary::after { transform: rotate(-135deg) translateY(-3px); }
.faq-item .faq-body { padding: 0 22px 20px; color: var(--muted); font-size: 14px; line-height: 1.85; }

/* ---------- 31. 内页响应式补充 ---------- */
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; gap: 36px; }
  .split + .split { margin-top: 64px; }
  .split.reverse .split-visual { order: 0; }
}
@media (max-width: 640px) {
  .split-visual { padding: 20px 18px; }
  .step-row { grid-template-columns: 1fr; gap: 14px; }
  .faq-item summary { padding: 16px 18px; font-size: 14.5px; }
  .faq-item .faq-body { padding: 0 18px 18px; }
  .table-wrap { margin-left: -18px; margin-right: -18px; border-radius: 0; border-left: none; border-right: none; }
}

/* ---------- 32. 游戏交易平台信息（73813.com）----------
   纯信息展示，不含任何跳转链接，因此不设置 hover / 指针样式，
   避免看起来可点击却点不动。 */
.platform-entry {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-2);
  background: rgba(12, 20, 36, .55);
}
.platform-entry .pe-ico {
  width: 32px; height: 32px;
  flex: 0 0 auto;
  border-radius: 9px;
  display: grid; place-items: center;
  background: rgba(0, 229, 255, .16);
  color: var(--cyan);
}
.platform-entry .pe-ico svg { width: 17px; height: 17px; }
.platform-entry .pe-text { display: flex; flex-direction: column; line-height: 1.25; }
.platform-entry .pe-text b { font-size: 12.5px; font-weight: 600; color: var(--text-2); }
.platform-entry .pe-text span {
  font-size: 15px;
  font-weight: 800;
  color: var(--cyan);
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
}
/* 原先的箭头与 hover 位移已移除：不再有跳转，不需要任何可点击暗示 */

/* 首页平台横幅 */
.platform-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  flex-wrap: wrap;
  padding: 30px 36px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-cyan);
  background:
    radial-gradient(ellipse 55% 150% at 0% 50%, rgba(0, 229, 255, .13), transparent 62%),
    radial-gradient(ellipse 45% 150% at 100% 50%, rgba(124, 92, 255, .12), transparent 62%),
    linear-gradient(135deg, rgba(20, 34, 56, .85), rgba(10, 17, 32, .92));
  position: relative;
  overflow: hidden;
}
.platform-banner .pb-left {
  display: flex;
  align-items: center;
  gap: 20px;
  min-width: 0;
}
.platform-banner .pb-ico {
  position: relative;
  width: 58px; height: 58px;
  flex: 0 0 auto;
  display: grid; place-items: center;
  color: #04121c;
  filter: drop-shadow(0 6px 18px rgba(0, 229, 255, .4));
}
.platform-banner .pb-ico::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg, var(--cyan) 0%, #4a9dff 48%, var(--violet) 100%);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}
.platform-banner .pb-ico svg { position: relative; z-index: 1; width: 28px; height: 28px; }
.platform-banner .pb-tag {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 7px;
}
.platform-banner h3 { font-size: clamp(19px, 2.2vw, 25px); margin-bottom: 8px; }
.platform-banner h3 span { color: var(--cyan); font-variant-numeric: tabular-nums; }
.platform-banner p { font-size: 14px; color: var(--muted); max-width: 680px; }

@media (max-width: 900px) {
  .platform-banner { padding: 24px 22px; }
  .platform-banner .pb-ico { width: 48px; height: 48px; }
  .platform-banner .pb-ico svg { width: 23px; height: 23px; }
}
@media (max-width: 640px) {
  .platform-banner { flex-direction: column; align-items: flex-start; gap: 20px; }
  .platform-banner .pb-left { gap: 15px; }
  .platform-entry { width: 100%; }
}

/* 打印 */
@media print {
  .site-header, .site-footer, .cta-band, .marquee { display: none; }
  body { background: #fff; color: #000; }
}