/* ==========================================================================
   游可玩 · 渠道合作站 2026
   - 明暗双主题（html[data-theme]）
   - 品牌色由 config/inc_theme.php 输出 CSS 变量
   - 动画统一走快节奏（120–420ms）
   ========================================================================== */

/* ---------- 子集字体（仅标题/数字，约 11KB） ---------- */
@font-face{
  font-family:"YKW Display";
  src:url("/static/fonts/ykw-display.woff") format("woff");
  font-weight:900;font-style:normal;font-display:swap;
}
@font-face{
  font-family:"YKW Num";
  src:url("/static/fonts/ykw-num.woff") format("woff");
  font-weight:800;font-style:normal;font-display:swap;
}

/* ---------- 主题令牌 ---------- */
:root{
  /* 品牌色（会被 inline style 覆盖） */
  --un-brand:#e8273b;
  --un-brand-2:#c81e30;
  --un-accent:#ff4d5e;
  --un-brand-rgb:232,39,59;
  --un-brand-2-rgb:255,77,60;
  --un-accent-rgb:255,138,61;
  --un-grad:linear-gradient(96deg,var(--un-brand),var(--un-brand-2));
  --un-grad-soft:rgba(var(--un-brand-rgb),0.12);

  --un-radius:18px;
  --un-nav-h:74px;
  --un-max:1200px;
  --un-ease:cubic-bezier(.22,.61,.36,1);
  --un-fast:cubic-bezier(.2,.7,.3,1);

  /* 深色（默认） */
  --un-bg:#07080d;
  --un-bg-2:#0b0d15;
  --un-panel:#0f1220;
  --un-txt:#eef1f7;
  --un-dim:#9aa3b8;
  --un-dim-2:#6d768c;
  --un-line:rgba(255,255,255,.09);
  --un-line-2:rgba(255,255,255,.16);
  --un-surface:rgba(255,255,255,.05);
  --un-surface-2:rgba(255,255,255,.08);
  --un-nav-bg:rgba(8,9,15,.76);
  --un-scrim:rgba(7,8,13,.94);
  --un-mask:rgba(5,6,12,.72);
  --un-shadow:0 30px 80px rgba(0,0,0,.55);
  --un-font-display:"YKW Display","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --un-font-num:"YKW Num","YKW Display","DIN Alternate","Bahnschrift",sans-serif;
  --un-aurora-op:.5;
  --un-grid-line:rgba(255,255,255,.05);
  --un-tile:#fff;
}

html[data-theme="light"]{
  --un-bg:#f4f6fb;
  --un-bg-2:#e9eef7;
  --un-panel:#ffffff;
  --un-txt:#101423;
  --un-dim:#525c74;
  --un-dim-2:#8a93a8;
  --un-line:rgba(16,20,35,.10);
  --un-line-2:rgba(16,20,35,.18);
  --un-surface:rgba(16,20,35,.028);
  --un-surface-2:rgba(16,20,35,.055);
  --un-nav-bg:rgba(255,255,255,.82);
  --un-scrim:rgba(244,246,251,.95);
  --un-mask:rgba(22,30,52,.42);
  --un-shadow:0 24px 60px rgba(24,34,64,.14);
  --un-aurora-op:.30;
  --un-grid-line:rgba(16,20,35,.06);
  --un-tile:#fff;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html.un-lock{overflow:hidden}

body.un-body{
  margin:0;
  background:var(--un-bg);
  color:var(--un-txt);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:15px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background-color .18s ease,color .18s ease;
}

.un-body a{color:inherit;text-decoration:none}
.un-body img{max-width:100%;border:0}
.un-body ul{margin:0;padding:0;list-style:none}
.un-body h1,.un-body h2,.un-body h3,.un-body h4{margin:0;line-height:1.25;font-weight:600}
.un-body p{margin:0}
figure{margin:0}
.un-body input,.un-body button{font-family:inherit}
.un-body button{cursor:pointer}

/* ---------- 背景层 ---------- */
.un-particles{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.9;transition:opacity .2s ease}

.un-aurora{
  position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;
  filter:blur(90px) saturate(130%);opacity:var(--un-aurora-op);
  transition:opacity .2s ease;
}
.un-aurora span{position:absolute;border-radius:50%;mix-blend-mode:screen}
html[data-theme="light"] .un-aurora span{mix-blend-mode:multiply}
.un-aurora span:nth-child(1){
  width:640px;height:640px;left:-180px;top:-220px;
  background:radial-gradient(circle,rgba(var(--un-brand-rgb),0.55),transparent 66%);
  animation:un-drift-a 13s ease-in-out infinite alternate;
}
.un-aurora span:nth-child(2){
  width:560px;height:560px;right:-140px;top:-120px;
  background:radial-gradient(circle,rgba(var(--un-brand-2-rgb),0.42),transparent 66%);
  animation:un-drift-b 16s ease-in-out infinite alternate;
}
.un-aurora span:nth-child(3){
  width:720px;height:720px;left:42%;bottom:-460px;
  background:radial-gradient(circle,rgba(var(--un-accent-rgb),0.3),transparent 68%);
  animation:un-drift-c 19s ease-in-out infinite alternate;
}
@keyframes un-drift-a{to{transform:translate(140px,90px) scale(1.12)}}
@keyframes un-drift-b{to{transform:translate(-120px,110px) scale(1.18)}}
@keyframes un-drift-c{to{transform:translate(-160px,-80px) scale(1.08)}}

.un-cursor{
  position:fixed;width:360px;height:360px;left:0;top:0;z-index:0;
  border-radius:50%;pointer-events:none;opacity:0;
  background:radial-gradient(circle,rgba(var(--un-brand-rgb),0.18),transparent 62%);
  transition:opacity .15s ease;
  mix-blend-mode:screen;
}
html[data-theme="light"] .un-cursor{mix-blend-mode:multiply;opacity:0}
html[data-theme="light"] .un-cursor.is-on{opacity:.5}
.un-cursor.is-on{opacity:1}

.un-page-fade{position:fixed;inset:0;z-index:9999;background:var(--un-bg);pointer-events:none;opacity:0;transition:opacity .14s ease}
.un-page-fade.is-on{opacity:1;pointer-events:auto}

/* ---------- 顶部导航 ---------- */
.un-nav{
  position:fixed;left:0;right:0;top:0;z-index:100;height:var(--un-nav-h);
  display:flex;align-items:center;border-bottom:1px solid transparent;
  transition:background .16s ease,border-color .16s ease;
}
.un-nav::before{
  content:"";position:absolute;left:0;right:0;top:0;height:150px;z-index:-1;
  background:linear-gradient(180deg,var(--un-scrim),transparent);
  pointer-events:none;transition:opacity .16s ease;
}
.un-nav.is-scrolled{
  background:var(--un-nav-bg);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  backdrop-filter:blur(16px) saturate(160%);
  border-bottom-color:var(--un-line);
}
.un-nav.is-scrolled::before{opacity:0}
.un-nav__inner{
  width:100%;max-width:var(--un-max);margin:0 auto;padding:0 28px;
  display:flex;align-items:center;gap:28px;
}

.un-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.un-brand img{height:34px;width:auto;display:block}

.un-nav__links{display:flex;align-items:center;gap:4px;margin-left:auto}
.un-nav__links a{
  position:relative;padding:9px 13px;border-radius:10px;font-size:14px;color:var(--un-dim);
  transition:color .12s ease,background .12s ease;
}
.un-nav__links a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:1.5px;
  background:var(--un-brand);transform:scaleX(0);transform-origin:left;
  transition:transform .18s var(--un-fast);border-radius:2px;
}
.un-nav__links a:hover{color:var(--un-txt);background:var(--un-surface)}
.un-nav__links a:hover::after,.un-nav__links a.is-active::after{transform:scaleX(1)}
.un-nav__links a.is-active{color:var(--un-txt)}

.un-nav__tools{display:flex;align-items:center;gap:10px;margin-left:10px}

/* 明暗切换 */
.un-theme{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:var(--un-surface);border:1px solid var(--un-line-2);
  transition:background .12s ease,border-color .12s ease,transform .12s var(--un-fast);
}
.un-theme:hover{background:var(--un-surface-2);border-color:rgba(var(--un-brand-rgb),0.45);transform:translateY(-1px)}
.un-theme svg{width:17px;height:17px;fill:none;stroke:var(--un-dim);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.un-theme:hover svg{stroke:var(--un-brand)}
html[data-theme="dark"] .un-theme .i-moon{display:none}
html[data-theme="light"] .un-theme .i-sun{display:none}

.un-nav__login{
  height:38px;padding:0 16px;white-space:nowrap;border-radius:11px;font-size:13.5px;
  background:transparent;border:1px solid var(--un-line-2);color:var(--un-txt);
  transition:border-color .12s ease,background .12s ease,transform .12s var(--un-fast);
}
.un-nav__login:hover{border-color:rgba(var(--un-brand-rgb),0.45);background:var(--un-surface)}
.un-nav .un-nav__cta{
  height:38px;padding:0 18px;white-space:nowrap;border-radius:11px;display:inline-flex;align-items:center;
  font-size:13.5px;font-weight:600;letter-spacing:.4px;color:#fff;background:var(--un-brand);
  box-shadow:0 8px 20px rgba(var(--un-brand-rgb),0.34),inset 0 1px 0 rgba(255,255,255,.22);
  transition:transform .12s var(--un-fast),box-shadow .12s ease;
}
.un-nav .un-nav__cta:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(var(--un-brand-rgb),0.42)}

/* ---------- 通用 ---------- */
.un-main{position:relative;z-index:1;padding-top:var(--un-nav-h)}
.un-wrap{width:100%;max-width:var(--un-max);margin:0 auto;padding:0 28px}

.un-eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:2.4px;color:var(--un-dim);text-transform:uppercase}
.un-eyebrow i{width:22px;height:1px;background:linear-gradient(90deg,var(--un-brand),transparent);display:inline-block}

.un-sec-title{margin-bottom:14px}
.un-sec-title .en{display:block;font-size:11px;letter-spacing:4px;color:var(--un-dim-2);text-transform:uppercase;margin-bottom:10px}
.un-sec-title h2{font-size:34px;letter-spacing:.5px;font-family:var(--un-font-display);font-weight:900}
.un-sec-title h2 em{font-style:normal;color:var(--un-brand)}
.un-sec-sub{color:var(--un-dim);max-width:640px;font-size:14.5px}

[data-reveal]{
  opacity:0;transform:translateY(24px);
  transition:opacity .42s var(--un-ease),transform .42s var(--un-ease);
  transition-delay:var(--un-delay,0ms);
}
[data-reveal].is-in{opacity:1;transform:none}


/* ---------- 内联 SVG 图标 ---------- */
.un-ico,.un-stats__ico,.un-btn__ico{
  fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;
  flex:0 0 auto;vertical-align:-.14em;
}
.un-ico{width:1em;height:1em}
.un-sec-title h2 .un-ico{width:.78em;height:.78em;margin-right:10px;color:var(--un-brand);vertical-align:-.02em;stroke-width:2.2}
.un-stats__ico{display:block;width:20px;height:20px;margin-bottom:10px;color:var(--un-brand);stroke-width:1.9}
.un-btn__ico{width:17px;height:17px;margin-left:7px;stroke-width:2;transition:transform .18s var(--un-fast)}
.un-btn:hover .un-btn__ico{transform:translateX(3px)}
.un-footer__links .un-ico{width:14px;height:14px;margin-right:7px;vertical-align:-.18em;opacity:.75;stroke-width:1.9}
.un-sidenav a .un-ico{width:15px;height:15px;margin-right:9px;opacity:.75}
.un-sidenav a.is-active .un-ico{color:var(--un-brand);opacity:1}

/* ---------- 按钮 ---------- */
.un-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 32px;border-radius:12px;font-size:15px;font-weight:600;letter-spacing:.5px;
  border:0;transition:transform .12s var(--un-fast),box-shadow .14s ease,background .14s ease;
}
.un-btn.un-btn--primary{
  color:#fff;background:var(--un-brand);
  box-shadow:0 10px 26px rgba(var(--un-brand-rgb),0.34),inset 0 1px 0 rgba(255,255,255,.24);
}
.un-btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(var(--un-brand-rgb),0.46)}
.un-btn.un-btn--ghost{color:var(--un-txt);background:var(--un-surface);border:1px solid var(--un-line-2)}
.un-btn--ghost:hover{background:var(--un-surface-2);transform:translateY(-2px);border-color:rgba(var(--un-brand-rgb),0.4)}

/* ---------- 首屏 ---------- */
.un-hero{position:relative;min-height:calc(100vh - var(--un-nav-h));display:flex;align-items:center;padding:52px 0 88px;overflow:hidden}
.un-hero__inner{
  width:100%;max-width:var(--un-max);margin:0 auto;padding:0 28px;
  display:grid;min-width:0;grid-template-columns:minmax(0,1fr) 640px;gap:32px;align-items:center;
}
.un-hero__copy{max-width:600px;position:relative;z-index:2}

.un-h1{margin:18px 0 18px;font-size:62px;line-height:1.06;letter-spacing:.5px;font-weight:900;font-family:var(--un-font-display)}
.un-h1 span{display:block;font-size:40px;margin-top:8px;color:var(--un-brand);font-family:var(--un-font-display);font-weight:900}
.un-lead{color:var(--un-dim);font-size:15.5px;line-height:1.9;max-width:540px}

.un-stats{display:flex;gap:40px;margin:32px 0 30px}
.un-stats>div{position:relative}
.un-stats>div+div::before{
  content:"";position:absolute;left:-20px;top:6px;bottom:6px;width:1px;
  background:linear-gradient(180deg,transparent,var(--un-line-2),transparent);
}
.un-stats strong{display:flex;align-items:baseline;gap:3px}
.un-stats .v{
  font-style:normal;font-size:36px;font-weight:700;letter-spacing:-1px;line-height:1;
  font-variant-numeric:tabular-nums;color:var(--un-txt);
  font-family:var(--un-font-num);font-weight:800;
}
.un-stats em{font-style:normal;font-size:16px;font-weight:800;color:var(--un-brand);letter-spacing:0;font-family:var(--un-font-num)}
.un-stats span{font-size:12.5px;color:var(--un-dim-2);letter-spacing:.5px}

.un-hero__actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.un-hero__login-tip{margin-top:18px;font-size:13px;color:var(--un-dim-2)}
.un-hero__login-tip button{
  background:none;border:0;padding:0;font-size:13px;color:var(--un-brand);
  border-bottom:1px solid rgba(var(--un-brand-rgb),0.4);
  transition:opacity .12s ease;
}
.un-hero__login-tip button:hover{opacity:.72}

/* 游戏扇形 */
.un-hero__visual{
  position:relative;display:flex;align-items:center;min-width:0;z-index:1;
  margin-left:-110px;
  /* 右侧只比 1200 的容器多出一点，且离窗口边缘至少保留 20px */
  margin-right:calc(-1 * clamp(0px, (100vw - 1200px) / 2 - 20px, 110px));
}

/* 无限走马灯：两行反向滚动，悬停暂停 */
.un-mq{
  width:100%;min-width:0;display:flex;flex-direction:column;gap:14px;overflow:hidden;
  -webkit-mask-image:
    linear-gradient(90deg,transparent,#000 29%,#000 84%,transparent),
    linear-gradient(180deg,transparent,#000 7%,#000 93%,transparent);
  -webkit-mask-composite:source-in;
  mask-image:
    linear-gradient(90deg,transparent,#000 29%,#000 84%,transparent),
    linear-gradient(180deg,transparent,#000 7%,#000 93%,transparent);
  mask-composite:intersect;
}
.un-mq__row{
  display:flex;gap:14px;width:max-content;
  animation:un-mq-scroll 42s linear infinite;
  will-change:transform;
}
.un-mq__row.rev{animation-direction:reverse;animation-duration:54s}
.un-mq__row.slow{animation-duration:62s}
@keyframes un-mq-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.un-mq__card{
  position:relative;flex:0 0 auto;width:256px;height:144px;border-radius:13px;overflow:hidden;
  border:1px solid var(--un-line-2);background:var(--un-panel);
  box-shadow:0 10px 26px rgba(0,0,0,.35);
  transition:transform .18s var(--un-fast),box-shadow .18s ease;
}
.un-mq__card:hover{transform:translateY(-5px);box-shadow:0 18px 38px rgba(0,0,0,.5);z-index:2}
html[data-theme="light"] .un-mq__card{box-shadow:0 8px 20px rgba(24,34,64,.12)}
html[data-theme="light"] .un-mq__card:hover{box-shadow:0 16px 32px rgba(24,34,64,.2)}
.un-mq__card img{width:100%;height:100%;object-fit:cover;display:block}
.un-mq__card figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 10px 8px;
  font-size:11.5px;letter-spacing:.3px;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  background:linear-gradient(180deg,transparent,rgba(6,8,14,.78));
}

/* ---------- 四大优势 ---------- */
.un-features{position:relative;padding:10px 0 88px}
.un-features__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.un-feature{
  position:relative;padding:26px 22px;border-radius:16px;overflow:hidden;
  background:var(--un-surface);border:1px solid var(--un-line);
  transition:transform .16s var(--un-fast),border-color .16s ease,background .16s ease;
}
.un-feature::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(var(--un-brand-rgb),0.65),transparent);
  opacity:0;transition:opacity .16s ease;
}
.un-feature:hover{transform:translateY(-6px);border-color:rgba(var(--un-brand-rgb),0.32);background:var(--un-surface-2)}
.un-feature:hover::before{opacity:1}
.un-feature__icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;
  background:var(--un-grad-soft);border:1px solid rgba(var(--un-brand-rgb),0.24);
}
.un-feature__icon svg{width:21px;height:21px;fill:none;stroke:var(--un-brand);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.un-feature h3{font-size:16px;margin-bottom:7px}
.un-feature p{font-size:13px;color:var(--un-dim);line-height:1.8}

/* ---------- 业务简介 ---------- */
.un-about{padding:76px 0 92px;border-top:1px solid var(--un-line)}
.un-about__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.un-about__copy p{color:var(--un-dim);margin-top:16px;font-size:14.5px;line-height:2}
.un-about__copy p strong{color:var(--un-txt);font-weight:600}

.un-figure{
  position:relative;aspect-ratio:1/1;border-radius:24px;overflow:hidden;
  background:
    radial-gradient(120% 90% at 20% 10%,rgba(var(--un-brand-rgb),0.24),transparent 60%),
    radial-gradient(90% 80% at 90% 90%,rgba(var(--un-accent-rgb),0.2),transparent 62%),
    var(--un-bg-2);
  border:1px solid var(--un-line);
}
.un-figure__grid{
  position:absolute;inset:0;
  background-image:linear-gradient(var(--un-grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--un-grid-line) 1px,transparent 1px);
  background-size:40px 40px;
  -webkit-mask-image:radial-gradient(circle at 50% 50%,#000 30%,transparent 75%);
  mask-image:radial-gradient(circle at 50% 50%,#000 30%,transparent 75%);
}
.un-figure__core{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:190px;height:190px;border-radius:50%;display:grid;place-items:center;text-align:center;
  border:1px solid var(--un-line-2);
  box-shadow:0 0 70px rgba(var(--un-brand-rgb),0.26),inset 0 0 60px rgba(var(--un-brand-rgb),0.14);
  background:radial-gradient(circle,rgba(var(--un-brand-rgb),0.14),transparent 70%);
}
.un-figure__core b{display:block;font-size:36px;letter-spacing:-.5px;color:var(--un-txt);font-family:var(--un-font-num);font-weight:800}
.un-figure__core span{font-size:11px;color:var(--un-dim-2);letter-spacing:3px}
.un-figure__ring{position:absolute;left:50%;top:50%;border-radius:50%;border:1px dashed var(--un-line-2);animation:un-spin 26s linear infinite}
.un-figure__ring.r1{width:290px;height:290px;margin:-145px 0 0 -145px}
.un-figure__ring.r2{width:390px;height:390px;margin:-195px 0 0 -195px;animation-duration:38s;animation-direction:reverse}
@keyframes un-spin{to{transform:rotate(360deg)}}

/* ---------- CPS ---------- */
.un-cps{padding:84px 0;border-top:1px solid var(--un-line)}
.un-cps__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:40px}
.un-cps__card{
  padding:30px 26px;border-radius:16px;border:1px solid var(--un-line);background:var(--un-surface);
  transition:transform .16s var(--un-fast),border-color .16s ease;
}
.un-cps__card:hover{transform:translateY(-5px);border-color:rgba(var(--un-brand-rgb),0.3)}
.un-cps__card .k{font-size:11px;letter-spacing:2.6px;color:var(--un-dim-2);text-transform:uppercase;margin-bottom:14px;display:block}
.un-cps__card h3{font-size:19px;margin-bottom:10px}
.un-cps__card p{font-size:13.5px;color:var(--un-dim);line-height:1.85}
.un-cps__card .num{font-size:13px;color:var(--un-brand);letter-spacing:1px;margin-bottom:16px;display:block;font-variant-numeric:tabular-nums}

/* ---------- 分成流程 ---------- */
.un-steps{padding:84px 0;border-top:1px solid var(--un-line)}
.un-steps__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:48px;position:relative}
.un-steps__grid::before{
  content:"";position:absolute;left:8%;right:8%;top:34px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(var(--un-brand-rgb),0.4),transparent);
}
.un-step{position:relative;text-align:center;padding:0 10px}
.un-step__no{
  width:68px;height:68px;margin:0 auto 20px;border-radius:20px;display:grid;place-items:center;position:relative;
  background:var(--un-grad-soft);border:1px solid rgba(var(--un-brand-rgb),0.28);
  font-size:22px;font-weight:800;color:var(--un-brand);font-family:var(--un-font-num);
  box-shadow:0 12px 30px rgba(0,0,0,.25),inset 0 1px 0 rgba(255,255,255,.16);
  transition:transform .18s var(--un-fast),box-shadow .18s ease;
}
.un-step:hover .un-step__no{transform:translateY(-6px) scale(1.04);box-shadow:0 16px 34px rgba(var(--un-brand-rgb),0.26)}
.un-step h3{font-size:15.5px;margin-bottom:8px}
.un-step p{font-size:12.5px;color:var(--un-dim-2);line-height:1.8}

/* ---------- 合作伙伴 ---------- */
.un-partners{padding:84px 0 92px;border-top:1px solid var(--un-line);overflow:hidden}
.un-partners__head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px}
.un-marquee{margin-top:44px;display:flex;flex-direction:column;gap:14px}
.un-marquee__row{display:flex;width:max-content;gap:14px;animation:un-marquee 30s linear infinite}
.un-marquee__row.rev{animation-direction:reverse;animation-duration:38s}
.un-marquee:hover .un-marquee__row{animation-play-state:paused}
@keyframes un-marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.un-logo{
  width:168px;height:74px;flex:0 0 auto;border-radius:12px;background:var(--un-tile);
  display:grid;place-items:center;padding:12px 16px;border:1px solid var(--un-line);
  transition:transform .16s var(--un-fast),box-shadow .16s ease;
}
.un-logo img{max-width:100%;max-height:100%;object-fit:contain;filter:grayscale(1);opacity:.62;transition:filter .16s ease,opacity .16s ease}
.un-logo:hover{transform:translateY(-4px);box-shadow:0 12px 26px rgba(0,0,0,.16)}
.un-logo:hover img{filter:none;opacity:1}

/* ---------- 底部转化 ---------- */
.un-join{padding:16px 0 104px}
.un-join__box{
  position:relative;border-radius:26px;padding:64px 40px;text-align:center;overflow:hidden;
  background:
    radial-gradient(70% 120% at 50% 0%,rgba(var(--un-brand-rgb),0.2),transparent 60%),
    var(--un-surface);
  border:1px solid var(--un-line-2);
}
.un-join__box::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--un-grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--un-grid-line) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000,transparent 72%);
  mask-image:radial-gradient(circle at 50% 40%,#000,transparent 72%);
  pointer-events:none;
}
.un-join__box h2{font-size:36px;margin-bottom:16px;position:relative;font-family:var(--un-font-display);font-weight:900}
.un-join__box p{color:var(--un-dim);max-width:520px;margin:0 auto 30px;position:relative;font-size:14.5px}
.un-join__actions{display:flex;gap:14px;justify-content:center;position:relative;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.un-footer{
  position:relative;z-index:1;border-top:1px solid var(--un-line);
  background:var(--un-surface);padding:52px 0 32px;
}
.un-footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:32px;border-bottom:1px solid var(--un-line)}
.un-footer__brand p{color:var(--un-dim-2);font-size:13px;margin-top:14px;max-width:320px;line-height:1.9}
.un-footer h4{font-size:13px;color:var(--un-dim);letter-spacing:1px;margin-bottom:16px;font-weight:500}
.un-footer__links a{display:block;font-size:13px;color:var(--un-dim-2);padding:5px 0;transition:color .12s ease}
.un-footer__links a:hover{color:var(--un-brand)}
.un-footer__muted{display:block;font-size:13px;color:var(--un-dim-2);padding:5px 0;line-height:1.7}
.un-footer__legal{padding-top:22px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12px;color:var(--un-dim-2)}
.un-footer__legal a{color:var(--un-dim-2)}
.un-footer__legal a:hover{color:var(--un-dim)}

/* ---------- 返回顶部 ---------- */
.un-top{
  position:fixed;right:26px;bottom:26px;z-index:90;width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;background:var(--un-nav-bg);border:1px solid var(--un-line-2);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .16s ease,transform .16s ease,border-color .12s ease;
}
.un-top.is-on{opacity:1;transform:none;pointer-events:auto}
.un-top:hover{border-color:rgba(var(--un-brand-rgb),0.5)}
.un-top svg{width:15px;height:15px;stroke:var(--un-dim);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 登录弹窗 ---------- */
.un-modal{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:24px;visibility:hidden}
.un-modal.is-open{visibility:visible}
.un-modal__mask{
  position:absolute;inset:0;background:var(--un-mask);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  opacity:0;transition:opacity .16s ease;
}
.un-modal.is-open .un-modal__mask{opacity:1}
.un-modal__box{
  position:relative;width:100%;max-width:390px;
  opacity:0;transform:translateY(14px) scale(.97);
  transition:opacity .18s var(--un-ease),transform .18s var(--un-ease);
}
.un-modal.is-open .un-modal__box{opacity:1;transform:none}
.un-modal__close{
  position:absolute;right:12px;top:12px;z-index:2;width:32px;height:32px;border-radius:9px;
  display:grid;place-items:center;background:transparent;border:0;
  transition:background .12s ease;
}
.un-modal__close:hover{background:var(--un-surface-2)}
.un-modal__close svg{width:15px;height:15px;stroke:var(--un-dim);stroke-width:1.8;fill:none;stroke-linecap:round}

.un-login{
  position:relative;padding:30px 28px 24px;border-radius:22px;
  background:var(--un-panel);border:1px solid var(--un-line-2);
  box-shadow:var(--un-shadow);
}
html[data-theme="dark"] .un-login{background:linear-gradient(168deg,rgba(255,255,255,.08),rgba(255,255,255,.03))}
html[data-theme="dark"] .un-login{-webkit-backdrop-filter:blur(22px) saturate(160%);backdrop-filter:blur(22px) saturate(160%)}
.un-login__head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:20px;padding-right:34px}
.un-login__head h2{font-size:19px;letter-spacing:1px}
.un-login__head span{font-size:10px;letter-spacing:2px;color:var(--un-dim-2);text-transform:uppercase}

.un-field{
  display:flex;align-items:center;gap:11px;height:50px;padding:0 15px;margin-bottom:13px;
  border-radius:12px;background:var(--un-surface);border:1px solid var(--un-line);
  transition:border-color .14s ease,background .14s ease,box-shadow .14s ease;
}
.un-field:focus-within{
  border-color:rgba(var(--un-brand-rgb),0.6);
  background:var(--un-surface-2);
  box-shadow:0 0 0 3px rgba(var(--un-brand-rgb),0.14);
}
.un-field svg{flex:0 0 auto;width:17px;height:17px;fill:none;stroke:var(--un-dim-2);stroke-width:1.6}
.un-field:focus-within svg{stroke:var(--un-brand)}
.un-field input{flex:1;min-width:0;height:100%;border:0;outline:0;background:transparent;color:var(--un-txt);font-size:14px}
.un-field input::placeholder{color:var(--un-dim-2)}
.un-field input:-webkit-autofill{-webkit-text-fill-color:var(--un-txt);-webkit-box-shadow:0 0 0 1000px var(--un-panel) inset}

.un-login__submit{
  width:100%;height:50px;margin-top:6px;border:0;border-radius:12px;position:relative;overflow:hidden;
  color:#fff;font-size:15px;font-weight:600;letter-spacing:4px;background:var(--un-brand);
  box-shadow:0 8px 22px rgba(var(--un-brand-rgb),0.3),inset 0 1px 0 rgba(255,255,255,.26);
  transition:transform .12s var(--un-fast),box-shadow .14s ease;
}
.un-login__submit:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(var(--un-brand-rgb),0.44)}
.un-login__submit:disabled{opacity:.7;cursor:default;transform:none}

.un-login__foot{display:flex;justify-content:space-between;align-items:center;margin-top:16px;font-size:12.5px;color:var(--un-dim-2)}
.un-login__foot a{transition:color .12s ease}
.un-login__foot a:hover{color:var(--un-brand)}
.un-login__tip{margin-top:16px;padding-top:14px;border-top:1px solid var(--un-line);display:flex;align-items:center;gap:9px;font-size:12px;color:var(--un-dim-2)}
.un-login__tip b{color:var(--un-brand);font-weight:600}

/* 已登录态 */
.un-user{padding:26px;border-radius:22px;background:var(--un-panel);border:1px solid var(--un-line-2);box-shadow:var(--un-shadow)}
.un-user h3{font-size:17px;margin-bottom:8px}
.un-user p{color:var(--un-dim);font-size:13px;margin-bottom:16px}
.un-user__name{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:12px;background:var(--un-surface);border:1px solid var(--un-line-2);font-size:14px;margin-bottom:16px}
.un-user__name i{width:8px;height:8px;border-radius:50%;background:var(--un-brand);box-shadow:0 0 10px rgba(var(--un-brand-rgb),.8)}
.un-user__actions{display:flex;gap:12px}
.un-user__actions a{flex:1;text-align:center;height:44px;line-height:44px;border-radius:11px;font-size:13.5px}
.un-user .un-user__go{background:var(--un-brand);color:#fff;box-shadow:0 10px 26px rgba(var(--un-brand-rgb),0.3)}
.un-user__out{border:1px solid var(--un-line-2);color:var(--un-dim)}

/* ---------- Toast ---------- */
.un-toast{
  position:fixed;left:50%;bottom:70px;transform:translate(-50%,16px);z-index:9998;
  padding:12px 22px;border-radius:12px;font-size:13.5px;color:var(--un-txt);
  background:var(--un-panel);border:1px solid var(--un-line-2);box-shadow:var(--un-shadow);
  opacity:0;pointer-events:none;transition:opacity .16s ease,transform .16s ease;
  max-width:80vw;text-align:center;
}
.un-toast.is-on{opacity:1;transform:translate(-50%,0)}
.un-toast.is-err{border-color:rgba(var(--un-brand-rgb),0.55)}

/* 浅色主题：卡片与按钮的层次感 */
html[data-theme="light"] .un-feature,
html[data-theme="light"] .un-cps__card{background:#fff;box-shadow:0 8px 24px rgba(24,34,64,.06)}
html[data-theme="light"] .un-feature:hover,
html[data-theme="light"] .un-cps__card:hover{box-shadow:0 14px 32px rgba(24,34,64,.10)}
html[data-theme="light"] .un-logo{box-shadow:0 6px 16px rgba(24,34,64,.05)}
html[data-theme="light"] .un-footer{background:#fafbfe}
html[data-theme="light"] .un-join__box{
  background:radial-gradient(70% 120% at 50% 0%,rgba(var(--un-brand-rgb),.10),transparent 62%),#ffffff;
  box-shadow:0 10px 30px rgba(24,34,64,.06);
}
html[data-theme="light"] .un-btn--primary{box-shadow:0 8px 20px rgba(var(--un-brand-rgb),.26),inset 0 1px 0 rgba(255,255,255,.3)}
html[data-theme="light"] .un-btn--primary:hover{box-shadow:0 12px 26px rgba(var(--un-brand-rgb),.34)}
html[data-theme="light"] .un-nav__cta{box-shadow:0 6px 16px rgba(var(--un-brand-rgb),.24)}
html[data-theme="light"] .un-figure{background:radial-gradient(120% 90% at 20% 10%,rgba(var(--un-brand-rgb),.14),transparent 60%),radial-gradient(90% 80% at 90% 90%,rgba(var(--un-accent-rgb),.14),transparent 62%),#eef2f9}

/* ==========================================================================
   子页面
   ========================================================================== */
.un-subhero{position:relative;padding:104px 0 60px;border-bottom:1px solid var(--un-line);overflow:hidden}
.un-subhero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--un-grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--un-grid-line) 1px,transparent 1px);
  background-size:52px 52px;
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 82%);
  mask-image:linear-gradient(180deg,#000,transparent 82%);
}
.un-subhero h1{font-size:46px;margin:18px 0 14px;position:relative;font-family:var(--un-font-display);font-weight:900}
.un-subhero p{color:var(--un-dim);max-width:620px;position:relative}

.un-subwrap{display:grid;grid-template-columns:236px minmax(0,1fr);gap:52px;padding:60px 0 104px;align-items:start}
.un-sidenav{position:sticky;top:calc(var(--un-nav-h) + 26px)}
.un-sidenav__title{font-size:11px;letter-spacing:2.6px;color:var(--un-dim-2);text-transform:uppercase;margin-bottom:14px}
.un-sidenav a{
  display:flex;align-items:center;justify-content:flex-start;padding:13px 16px;border-radius:12px;
  font-size:14px;color:var(--un-dim);border:1px solid transparent;
  transition:all .14s ease;margin-bottom:6px;
}
.un-sidenav a::after{content:"→";font-size:12px;margin-left:auto;opacity:0;transform:translateX(-4px);transition:all .14s ease}
.un-sidenav a:hover{color:var(--un-txt);background:var(--un-surface)}
.un-sidenav a:hover::after{opacity:.7;transform:none}
.un-sidenav a.is-active{
  color:var(--un-txt);
  background:rgba(var(--un-brand-rgb),0.10);
  border-color:rgba(var(--un-brand-rgb),0.34);
}
.un-sidenav a.is-active::after{opacity:1;transform:none}
.un-sidenav__contact{
  margin-top:26px;padding:18px;border-radius:14px;border:1px solid var(--un-line);background:var(--un-surface);
  font-size:12.5px;color:var(--un-dim-2);line-height:1.9;
}
.un-sidenav__contact b{display:block;color:var(--un-txt);font-size:13px;margin-bottom:6px;font-weight:600}
.un-sidenav__contact a{color:var(--un-brand)}

.un-prose{
  min-height:320px;padding:42px 44px;border-radius:20px;border:1px solid var(--un-line);
  background:var(--un-panel);color:var(--un-dim);font-size:14.5px;line-height:1.95;
}
html[data-theme="dark"] .un-prose{background:var(--un-surface)}
.un-prose p{margin:0 0 18px}
.un-prose h2{color:var(--un-txt);font-size:22px;margin:38px 0 14px;letter-spacing:.5px}
.un-prose h3{color:var(--un-txt);font-size:17px;margin:28px 0 10px}
.un-prose h4{color:var(--un-txt);font-size:15.5px;margin:20px 0 8px}
.un-prose>h2:first-child,.un-prose>h3:first-child,.un-prose>p:first-child{margin-top:0}
.un-prose strong{color:var(--un-txt);font-weight:600}
.un-prose a{color:var(--un-brand);border-bottom:1px solid rgba(var(--un-brand-rgb),0.35)}
.un-prose ul{margin:0 0 20px;padding-left:24px;list-style:disc}
.un-prose ol{margin:0 0 20px;padding-left:24px;list-style:decimal}
.un-prose li{margin-bottom:10px;padding-left:4px}
.un-prose li::marker{color:var(--un-brand)}
.un-prose img{border-radius:12px;margin:10px 0}
.un-prose table{width:100%;border-collapse:collapse;margin:16px 0;font-size:13.5px}
.un-prose th,.un-prose td{border:1px solid var(--un-line-2);padding:10px 12px;text-align:left}
.un-prose th{background:var(--un-surface-2);color:var(--un-txt)}
.un-prose blockquote{
  margin:16px 0;padding:14px 18px;border-left:2px solid var(--un-brand);
  background:rgba(var(--un-brand-rgb),0.07);border-radius:0 12px 12px 0;color:var(--un-dim);
}
.un-empty{text-align:center;padding:60px 20px;color:var(--un-dim-2)}
.un-empty b{display:block;font-size:16px;color:var(--un-txt);margin-bottom:10px;font-weight:600}
.un-empty a{color:var(--un-brand)}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1280px){
  .un-hero__inner{grid-template-columns:minmax(0,1fr) 500px;gap:20px}
  .un-h1{font-size:54px}
}
@media (max-width:1120px){
  .un-nav__links{gap:0}
  .un-nav__links a{padding:9px 10px;font-size:13.5px}
  .un-features__grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:980px){
  .un-hero{min-height:auto;padding:44px 0 70px}
  .un-hero__inner{grid-template-columns:1fr;gap:40px}
  .un-hero__copy{max-width:none}
  .un-h1{font-size:44px}
  .un-h1 span{font-size:30px}
  .un-mq__card{width:190px;height:107px}
  .un-hero__visual{margin-left:0;margin-right:0}
  .un-cps__grid{grid-template-columns:1fr}
  .un-steps__grid{grid-template-columns:repeat(2,1fr);gap:30px 14px}
  .un-steps__grid::before{display:none}
  .un-about__grid{grid-template-columns:1fr}
  .un-figure{max-width:400px;margin:0 auto}
  .un-footer__grid{grid-template-columns:1fr 1fr}
  .un-subwrap{grid-template-columns:1fr;gap:30px}
  .un-sidenav{position:static}
  .un-nav__links{display:none}
  .un-subhero h1{font-size:34px}
  .un-prose{padding:28px 22px}
  .un-sec-title h2,.un-join__box h2{font-size:28px}
}
@media (max-width:600px){
  .un-nav__inner{padding:0 16px;gap:10px}
  .un-brand img{height:28px}
  .un-theme{width:34px;height:34px}
  .un-nav__login{height:34px;padding:0 12px;font-size:13px}
  .un-nav__cta{height:34px;padding:0 14px;font-size:13px}
  .un-h1{font-size:34px}
  .un-h1 span{font-size:24px}
  .un-stats{gap:22px;flex-wrap:wrap}
  .un-stats>div+div::before{display:none}
  .un-hero__actions{flex-direction:column;align-items:stretch}
  .un-btn{width:100%}
  .un-features__grid{grid-template-columns:1fr}
  .un-steps__grid{grid-template-columns:1fr}
  .un-footer__grid{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important}
  [data-reveal]{opacity:1;transform:none}
  .un-particles,.un-cursor{display:none}
  html{scroll-behavior:auto}
}