/* ==========================================================================
   启盒智能 OpenBoxAI — 暗色毛玻璃主题
   广西启盒智能科技有限公司  www.openboxai.com.cn
   ========================================================================== */

/* ---------- 1. Tokens（Grok 风格单色） ---------- */
:root{
  --bg:        #000000;
  --bg-2:      #070708;
  --bg-3:      #0d0d0e;
  --ink:       #f7f7f8;
  --ink-2:     #b7b7ba;
  --muted:     #8a8a8e;
  --muted-2:   #5d5d62;

  --glass:     rgba(255,255,255,.038);
  --glass-2:   rgba(255,255,255,.07);
  --glass-3:   rgba(255,255,255,.11);
  --line:      rgba(255,255,255,.085);
  --line-2:    rgba(255,255,255,.18);

  /* 单色体系：不使用彩色，仅以明度区分层级 */
  --v:  #d2d2d5;
  --c:  #ffffff;
  --m:  #9c9ca1;
  --grad:   linear-gradient(100deg,#ffffff 0%,#8e8e93 100%);
  --grad-3: linear-gradient(100deg,#ffffff 0%,#7d7d82 100%);

  --r:    14px;
  --r-lg: 20px;
  --r-xl: 28px;

  --nav-h: 68px;
  --maxw: 1280px;
  --pad: 24px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
          "Noto Sans SC", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. Base ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; background:var(--bg); }
body{
  margin:0; color:var(--ink); background:var(--bg);
  font-family:var(--font); font-size:16px; line-height:1.72; letter-spacing:.004em;
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden; position:relative;
}
/* 全站环境光 + 颗粒 */
body::before{
  content:""; position:fixed; inset:0; z-index:-2; pointer-events:none;
  background:
    radial-gradient(56% 42% at 14% -6%, rgba(255,255,255,.055), transparent 68%),
    radial-gradient(48% 38% at 90% 4%, rgba(255,255,255,.035), transparent 70%),
    radial-gradient(64% 46% at 50% 110%, rgba(255,255,255,.028), transparent 72%);
}
body::after{
  content:""; position:fixed; inset:0; z-index:-1; pointer-events:none; opacity:.30;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.45'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}
img,svg,canvas,video{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; }
h1,h2,h3,h4,h5{ margin:0; font-weight:660; letter-spacing:-.025em; line-height:1.16; }
p{ margin:0; }
ul,ol{ margin:0; padding:0; list-style:none; }
::selection{ background:rgba(255,255,255,.42); color:#fff; }
:focus-visible{ outline:2px solid var(--c); outline-offset:3px; border-radius:4px; }
::-webkit-scrollbar{ width:10px; height:10px; }
::-webkit-scrollbar-track{ background:#07080e; }
::-webkit-scrollbar-thumb{ background:#222432; border-radius:8px; border:2px solid #07080e; }
::-webkit-scrollbar-thumb:hover{ background:#33364a; }

/* ---------- 3. Layout ---------- */
.wrap{ width:100%; max-width:var(--maxw); margin:0 auto; padding:0 var(--pad); position:relative; }
.wrap-narrow{ max-width:920px; }
.section{ padding:112px 0; position:relative; }
.section-sm{ padding:76px 0; }
.section-tight{ padding:54px 0; }
.band{ background:linear-gradient(180deg, rgba(255,255,255,.028), rgba(255,255,255,.008)); border-block:1px solid var(--line); }
.band-2{ background:var(--bg-2); border-block:1px solid var(--line); }
.divider{ height:1px; background:var(--line); border:0; margin:0; }

.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); }
.g-5{ grid-template-columns:repeat(5,1fr); }

/* ---------- 4. Type ---------- */
.eyebrow{
  display:inline-block; font-family:var(--mono); font-size:11.5px; font-weight:600;
  letter-spacing:.24em; text-transform:uppercase; color:var(--muted);
  margin-bottom:22px;
}
.eyebrow.v,.eyebrow.m{ color:var(--muted); }

.h-display{
  font-size:clamp(32px,4.8vw,72px); font-weight:720; letter-spacing:-.04em; line-height:1.04;
}
.h1{ font-size:clamp(29px,4vw,54px); letter-spacing:-.032em; line-height:1.1; }
.h2{ font-size:clamp(28px,3.6vw,46px); letter-spacing:-.03em; line-height:1.12; }
.h3{ font-size:clamp(20px,2.1vw,26px); letter-spacing:-.018em; }
.h4{ font-size:18px; letter-spacing:-.012em; }

.lead{ font-size:clamp(16.5px,1.4vw,20px); color:var(--ink-2); line-height:1.76; }
.muted{ color:var(--muted); }
.small{ font-size:14px; }
.tiny{ font-size:12.5px; }
.mono{ font-family:var(--mono); }
.grad-text{
  background:var(--grad); -webkit-background-clip:text; background-clip:text;
  color:transparent; -webkit-text-fill-color:transparent;
}
.grad-text-3{
  background:var(--grad-3); -webkit-background-clip:text; background-clip:text;
  color:transparent; -webkit-text-fill-color:transparent;
}
.sec-head{ max-width:800px; margin-bottom:60px; }
.sec-head.center{ margin-inline:auto; text-align:center; }
.sec-head .lead{ margin-top:20px; }
.sec-head-row{
  display:flex; justify-content:space-between; align-items:flex-end;
  gap:24px; flex-wrap:wrap; max-width:none; margin-bottom:52px;
}

/* ---------- 5. Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  height:48px; padding:0 24px; border-radius:999px; border:1px solid transparent;
  font-size:14.8px; font-weight:600; line-height:1; cursor:pointer; white-space:nowrap; position:relative;
  transition:transform .24s var(--ease), background .24s, color .24s, border-color .24s, box-shadow .24s;
}
.btn:hover{ transform:translateY(-2px); }
.btn:active{ transform:translateY(0); }
.btn-primary{ background:#ffffff; color:#000; font-weight:700; }
.btn-primary:hover{ background:#f0f0f0; box-shadow:0 10px 30px rgba(255,255,255,.14); }
.btn-light{ background:#ffffff; color:#000; font-weight:700; }
.btn-light:hover{ background:#efefef; box-shadow:0 10px 30px rgba(255,255,255,.12); }
.btn-glass{
  background:var(--glass); border-color:var(--line-2); color:var(--ink);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
}
.btn-glass:hover{ background:var(--glass-2); border-color:rgba(255,255,255,.30); }
.btn-ghost{ border-color:var(--line-2); color:var(--ink-2); }
.btn-ghost:hover{ color:#fff; border-color:#fff; }
.btn-sm{ height:38px; padding:0 18px; font-size:13.4px; }
.btn-lg{ height:56px; padding:0 32px; font-size:16px; }
.btn-row{ display:flex; flex-wrap:wrap; gap:12px; }

.link-arrow{
  display:inline-flex; align-items:center; gap:8px; font-size:14.6px; font-weight:600; color:var(--c);
}
.link-arrow i{ font-style:normal; transition:transform .26s var(--ease); }
.link-arrow:hover i{ transform:translateX(5px); }

/* ---------- 6. Nav ---------- */
.nav{
  position:fixed; inset:0 0 auto 0; z-index:100; height:var(--nav-h);
  transition:background .34s, border-color .34s, backdrop-filter .34s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(6,7,13,.62); border-bottom-color:var(--line);
  backdrop-filter:saturate(160%) blur(22px); -webkit-backdrop-filter:saturate(160%) blur(22px);
}
.nav-inner{ max-width:var(--maxw); margin:0 auto; padding:0 var(--pad); height:100%; display:flex; align-items:center; }
.brand{ display:flex; align-items:center; gap:11px; flex:none; }
.brand .mark{
  width:32px; height:32px; flex:none; display:block;
  object-fit:contain; image-rendering:-webkit-optimize-contrast;
}
.brand:hover .mark{ opacity:.85; transition:opacity .24s var(--ease); }
.brand-txt{ line-height:1.06; font-weight:700; font-size:17px; letter-spacing:-.02em; }
.brand-txt small{
  display:block; font-family:var(--mono); font-size:9px; font-weight:600;
  letter-spacing:.2em; color:var(--muted-2); text-transform:uppercase; margin-top:3px;
}
.nav-links{ display:flex; align-items:center; gap:2px; margin-left:30px; }
.nav-links a{
  position:relative; padding:8px 14px; border-radius:9px;
  font-size:14.6px; font-weight:520; color:var(--ink-2); transition:background .2s, color .2s;
}
.nav-links a:hover{ background:var(--glass); color:#fff; }
.nav-links a.active{ color:#fff; font-weight:640; }
.nav-links a.active::after{
  content:""; position:absolute; left:14px; right:14px; bottom:2px; height:2px;
  border-radius:2px; background:var(--grad);
}
.nav-right{ margin-left:auto; display:flex; align-items:center; gap:10px; }
.nav-toggle{
  display:none; width:42px; height:42px; border:1px solid var(--line-2); background:var(--glass);
  backdrop-filter:blur(12px); border-radius:12px; cursor:pointer; padding:0;
  align-items:center; justify-content:center;
}
.nav-toggle span{ display:block; width:17px; height:1.6px; background:#fff; position:relative; transition:.25s; }
.nav-toggle span::before,.nav-toggle span::after{
  content:""; position:absolute; left:0; width:17px; height:1.6px; background:#fff; transition:.25s;
}
.nav-toggle span::before{ top:-5.5px; } .nav-toggle span::after{ top:5.5px; }
.nav-toggle.open span{ background:transparent; }
.nav-toggle.open span::before{ top:0; transform:rotate(45deg); }
.nav-toggle.open span::after{ top:0; transform:rotate(-45deg); }

/* 语言切换（中 / EN），移动端保持可见 */
.lang-switch{
  display:inline-flex; align-items:center; height:38px; padding:3px; gap:2px;
  border:1px solid var(--line-2); border-radius:999px; background:var(--glass);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
}
.lang-switch a{
  display:inline-flex; align-items:center; justify-content:center; min-width:38px; height:30px; padding:0 10px;
  border-radius:999px; font-size:12.6px; font-weight:640; letter-spacing:.04em; color:var(--muted);
  transition:background .2s, color .2s;
}
.lang-switch a:hover{ color:#fff; }
.lang-switch a.on{ background:#fff; color:#000; }

.mobile-menu{
  position:fixed; top:var(--nav-h); left:0; right:0; z-index:99; display:none;
  background:rgba(6,7,13,.86); backdrop-filter:blur(24px); -webkit-backdrop-filter:blur(24px);
  border-bottom:1px solid var(--line); padding:12px var(--pad) 28px;
  max-height:calc(100vh - var(--nav-h)); overflow-y:auto;
}
.mobile-menu.open{ display:block; animation:sd .3s var(--ease); }
.mobile-menu a{
  display:flex; align-items:center; justify-content:space-between;
  padding:15px 2px; font-size:16.5px; font-weight:560; border-bottom:1px solid var(--line);
}
.mobile-menu a span{ font-family:var(--mono); color:var(--muted-2); font-size:11.5px; letter-spacing:.1em; }
.mobile-menu .btn{ width:100%; margin-top:22px; }
@keyframes sd{ from{opacity:0;transform:translateY(-10px)} to{opacity:1;transform:none} }
body.locked{ overflow:hidden; }

/* ---------- 7. HERO（大型 / 游戏风） ---------- */
.hero{
  position:relative; min-height:100vh; min-height:100svh; display:flex; align-items:center;
  padding:calc(var(--nav-h) + 72px) 0 96px; overflow:hidden; isolation:isolate;
}
#heroCanvas{ position:absolute; inset:0; z-index:-3; width:100%; height:100%; }
.hero-veil{
  position:absolute; inset:0; z-index:-2; pointer-events:none;
  background:
    radial-gradient(58% 58% at 50% 46%, transparent 22%, rgba(4,5,10,.55) 74%, rgba(4,5,10,.9) 100%),
    linear-gradient(180deg, rgba(4,5,10,.55) 0%, transparent 26%, transparent 62%, var(--bg) 100%);
}
.hero-scan{
  position:absolute; inset:0; z-index:-1; pointer-events:none; opacity:.28;
  background:repeating-linear-gradient(180deg, rgba(255,255,255,.055) 0 1px, transparent 1px 4px);
  mask-image:linear-gradient(180deg,transparent,#000 40%,#000 60%,transparent);
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 40%,#000 60%,transparent);
}
.hero-inner{ max-width:1000px; }
.hero .h-display{ margin-bottom:26px; }
.hero .lead{ max-width:640px; margin-bottom:36px; font-size:clamp(15.5px,1.2vw,17.5px); }

.chip{
  display:inline-flex; align-items:center; gap:11px; margin-bottom:30px;
  padding:7px 17px 7px 9px; border-radius:999px;
  background:var(--glass); border:1px solid var(--line-2);
  backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  font-size:13px; font-weight:540; line-height:1.35; color:var(--ink-2);
}
.chip b{
  background:#fff; color:#000; font-family:var(--mono);
  font-size:10.5px; font-weight:700; padding:3px 9px; border-radius:999px; letter-spacing:.08em;
}
.hero-strip{
  margin-top:70px; padding-top:34px; border-top:1px solid var(--line);
  display:flex; flex-wrap:wrap; justify-content:center; gap:24px 76px;
}
.hero-strip > div{ text-align:center; min-width:120px; }
.hero-strip span{
  display:block; font-size:clamp(21px,2.1vw,29px); font-weight:700;
  letter-spacing:-.03em; color:#fff;
}
.hero-strip p{ font-size:12.8px; color:var(--muted); margin-top:6px; }
.scroll-hint{
  margin:44px auto 0; width:max-content;
  font-family:var(--mono); font-size:10.5px; letter-spacing:.26em; color:var(--muted-2);
  text-transform:uppercase; display:flex; flex-direction:column; align-items:center; gap:9px;
}
.scroll-hint::after{
  content:""; width:1px; height:36px;
  background:linear-gradient(var(--muted-2), transparent);
  animation:sh 2.2s var(--ease) infinite;
}
@keyframes sh{ 0%,100%{opacity:.3;transform:scaleY(.55)} 50%{opacity:1;transform:scaleY(1)} }

/* 子页面头部 */
.phero{
  position:relative; padding:calc(var(--nav-h) + 110px) 0 88px; overflow:hidden;
  border-bottom:1px solid var(--line);
}
.phero::before{
  content:""; position:absolute; inset:0; z-index:-1;
  background:
    radial-gradient(52% 84% at 86% -14%, rgba(255,255,255,.07), transparent 68%),
    radial-gradient(44% 72% at 4% 112%, rgba(255,255,255,.045), transparent 70%);
}
.phero::after{
  content:""; position:absolute; inset:0; z-index:-1; opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(70% 100% at 50% 0%, #000, transparent 75%);
  -webkit-mask-image:radial-gradient(70% 100% at 50% 0%, #000, transparent 75%);
}
.phero .lead{ max-width:700px; margin-top:22px; }
.crumb{ font-family:var(--mono); font-size:11.5px; letter-spacing:.14em; color:var(--muted-2); margin-bottom:22px; text-transform:uppercase; }
.crumb a:hover{ color:var(--c); }
.crumb span{ margin:0 8px; opacity:.5; }

/* ---------- 8. 毛玻璃卡片 ---------- */
.card{
  position:relative; height:100%; padding:32px; border-radius:var(--r-lg);
  background:linear-gradient(160deg, rgba(255,255,255,.062), rgba(255,255,255,.018));
  border:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(140%); -webkit-backdrop-filter:blur(18px) saturate(140%);
  transition:transform .34s var(--ease), border-color .34s, box-shadow .34s, background .34s;
  overflow:hidden;
}
.card::before{
  content:""; position:absolute; z-index:1; inset:0 0 auto 0; height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.24),transparent);
}
/* 卡片内容始终位于装饰层之上，避免被光晕/描边遮挡 */
.card > *{ position:relative; z-index:2; }
.card:hover{
  transform:translateY(-5px); border-color:var(--line-2);
  background:linear-gradient(160deg, rgba(255,255,255,.085), rgba(255,255,255,.03));
  box-shadow:0 24px 60px rgba(0,0,0,.6), 0 0 0 1px rgba(255,255,255,.10) inset;
}
.card > .h3,.card > .h4{ margin-bottom:12px; }
.card p{ color:var(--muted); font-size:14.9px; }
.card-solid{
  background:var(--bg-3); backdrop-filter:none; -webkit-backdrop-filter:none;
}
.card-hi{ background:linear-gradient(160deg, rgba(255,255,255,.10), rgba(255,255,255,.03)); border-color:rgba(255,255,255,.26); }
.card-glow::after{
  content:""; position:absolute; z-index:0; pointer-events:none;
  width:190px; height:190px; right:-70px; top:-70px;
  border-radius:50%; background:radial-gradient(circle, rgba(255,255,255,.10), transparent 70%);
  filter:blur(28px); opacity:0; transition:opacity .4s;
}
.card:hover.card-glow::after{ opacity:1; }
.card-link{ display:block; }
.card-foot{ margin-top:22px; }

/* 序号（替代图标） */
.num{
  display:block; font-family:var(--mono); font-size:12px; font-weight:700; letter-spacing:.16em;
  color:var(--c); margin-bottom:16px;
}
.num.v{ color:#cfcfd2; } .num.m{ color:#aeaeb2; }
.rule{ width:38px; height:2px; border-radius:2px; background:var(--grad); margin-bottom:20px; }

.tag{
  display:inline-block; padding:5px 12px; border-radius:999px; margin:0 6px 6px 0;
  background:rgba(255,255,255,.055); border:1px solid rgba(255,255,255,.16);
  color:#c6c6ca; font-size:11.8px; font-weight:600; line-height:1.5; font-family:var(--mono); letter-spacing:.06em;
}
.tag.t2{ background:rgba(255,255,255,.055); border-color:rgba(255,255,255,.16); color:#c6c6ca; }
.tag.t3{ background:rgba(255,255,255,.055); border-color:rgba(255,255,255,.16); color:#c6c6ca; }
.tag.gray{ background:var(--glass); border-color:var(--line); color:var(--muted); }

/* 勾选列表 */
.flist li{ display:flex; gap:13px; padding:10px 0; font-size:15px; color:var(--ink-2); align-items:flex-start; }
.flist li::before{
  content:""; flex:none; width:16px; height:16px; margin-top:5px; border-radius:5px;
  background:rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.2);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:center; background-size:10px;
}
.flist li b{ color:#fff; font-weight:620; }
.dlist li{ display:flex; gap:13px; padding:9px 0; font-size:14.8px; color:var(--muted); align-items:flex-start; }
.dlist li::before{ content:"—"; color:var(--muted-2); flex:none; }

/* ---------- 9. Split / 视觉块 ---------- */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:66px; align-items:center; }
.split.wide-left{ grid-template-columns:1.04fr .96fr; }
.split.top{ align-items:flex-start; }
.split-copy .h2{ margin-bottom:20px; }
.split-copy .lead{ margin-bottom:28px; }

.visual{
  position:relative; border-radius:var(--r-xl); overflow:hidden; aspect-ratio:4/3;
  display:grid; place-items:center;
  background:linear-gradient(150deg, rgba(255,255,255,.05), rgba(255,255,255,.012));
  border:1px solid var(--line);
  backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
}
.visual.auto{ aspect-ratio:auto; }
.grid-bg{
  position:absolute; z-index:0; inset:0; pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:38px 38px;
  mask-image:radial-gradient(72% 72% at 50% 50%, #000 34%, transparent 100%);
  -webkit-mask-image:radial-gradient(72% 72% at 50% 50%, #000 34%, transparent 100%);
}
.orb{ position:absolute; z-index:0; border-radius:50%; filter:blur(54px); pointer-events:none; }
.orb.a{ width:260px; height:260px; background:rgba(255,255,255,.12); top:-52px; left:-42px; }
.orb.b{ width:230px; height:230px; background:rgba(255,255,255,.085); bottom:-42px; right:-32px; }
.orb.c{ width:210px; height:210px; background:rgba(255,255,255,.07); bottom:16%; left:32%; }

/* 界面示意 */
.mock{
  position:relative; z-index:2; width:88%; border-radius:16px; overflow:hidden; font-size:12.6px;
  background:rgba(10,12,20,.78); border:1px solid var(--line-2);
  backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px);
  box-shadow:0 30px 70px rgba(0,0,0,.55);
}
.mock-bar{ display:flex; align-items:center; gap:6px; padding:11px 14px; border-bottom:1px solid var(--line); background:rgba(255,255,255,.03); }
.mock-bar i{ width:9px; height:9px; border-radius:50%; background:rgba(255,255,255,.16); display:block; }
.mock-bar p{ margin-left:9px; font-family:var(--mono); font-size:11px; color:var(--muted-2); }
.mock-body{ padding:17px; display:grid; gap:11px; }
.mock-row{ display:flex; align-items:center; gap:10px; }
.mock-chip{
  padding:4px 10px; border-radius:8px; line-height:1.5; font-family:var(--mono); font-size:11px; font-weight:600;
  background:rgba(255,255,255,.075); color:#d6d6d9; border:1px solid rgba(255,255,255,.16);
}
.mock-chip.g{ background:rgba(255,255,255,.055); color:#bcbcc0; border-color:rgba(255,255,255,.14); }
.mock-chip.p{ background:rgba(255,255,255,.055); color:#bcbcc0; border-color:rgba(255,255,255,.14); }
.bar-line{ height:7px; border-radius:999px; background:rgba(255,255,255,.08); flex:1; overflow:hidden; }
.bar-line i{ display:block; height:100%; background:var(--grad); border-radius:999px; }
.mock-note{ font-family:var(--mono); font-size:11px; color:var(--muted-2); }

/* ---------- 10. Stats ---------- */
.stats{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line); border-radius:var(--r-lg); overflow:hidden;
}
.stats > div{ background:rgba(255,255,255,.028); padding:36px 30px; backdrop-filter:blur(14px); }
.stats span{
  display:block; font-size:clamp(28px,3.6vw,44px); font-weight:700;
  letter-spacing:-.035em; color:#fff;
}
.stats p{ color:var(--muted); font-size:13.6px; margin-top:7px; }

/* ---------- 11. 市场带 ---------- */
.market{
  display:grid; grid-template-columns:repeat(6,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line); border-radius:var(--r-lg); overflow:hidden;
}
.market div{
  background:rgba(255,255,255,.024); padding:26px 14px; text-align:center;
  backdrop-filter:blur(12px); transition:background .3s;
}
.market div:hover{ background:rgba(255,255,255,.06); }
.market b{ display:block; font-size:15px; font-weight:640; letter-spacing:-.01em; }
.market small{ display:block; font-family:var(--mono); font-size:10.5px; letter-spacing:.14em; color:var(--muted-2); margin-top:6px; text-transform:uppercase; }

/* ---------- 12. Timeline ---------- */
.timeline{ position:relative; padding-left:36px; }
.timeline::before{
  content:""; position:absolute; left:6px; top:10px; bottom:10px; width:1px;
  background:linear-gradient(var(--v), var(--c), transparent);
}
.timeline li{ position:relative; padding-bottom:42px; }
.timeline li:last-child{ padding-bottom:0; }
.timeline li::before{
  content:""; position:absolute; left:-36px; top:9px; width:13px; height:13px; border-radius:50%;
  background:var(--bg); border:2px solid rgba(255,255,255,.55);
}
.timeline .yr{ font-family:var(--mono); font-size:12px; font-weight:700; color:var(--c); letter-spacing:.14em; }
.timeline h4{ margin:8px 0 8px; font-size:18px; }
.timeline p{ color:var(--muted); font-size:14.8px; }

/* ---------- 13. Accordion ---------- */
.acc{ border-top:1px solid var(--line); }
.acc-item{ border-bottom:1px solid var(--line); transition:background .3s; }
.acc-item.open{ background:rgba(255,255,255,.024); }
.acc-q{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:22px;
  padding:26px 6px; background:none; border:0; cursor:pointer; text-align:left;
  font-size:17px; font-weight:600; letter-spacing:-.012em;
}
.acc-q i{ flex:none; width:22px; height:22px; position:relative; }
.acc-q i::before,.acc-q i::after{
  content:""; position:absolute; left:50%; top:50%; background:var(--c);
  transform:translate(-50%,-50%); transition:.3s var(--ease);
}
.acc-q i::before{ width:13px; height:1.7px; }
.acc-q i::after{ width:1.7px; height:13px; }
.acc-item.open .acc-q i::after{ transform:translate(-50%,-50%) rotate(90deg); opacity:0; }
.acc-a{ max-height:0; overflow:hidden; transition:max-height .38s var(--ease); }
.acc-a > div{ padding:0 44px 28px 6px; color:var(--muted); font-size:15px; }

/* ---------- 14. Table ---------- */
.tbl-wrap{
  overflow-x:auto; border:1px solid var(--line); border-radius:var(--r-lg);
  background:rgba(255,255,255,.024); backdrop-filter:blur(14px);
}
table.tbl{ width:100%; border-collapse:collapse; min-width:680px; font-size:14.6px; }
table.tbl th,table.tbl td{ padding:17px 22px; text-align:left; border-bottom:1px solid var(--line); vertical-align:top; }
table.tbl th{
  background:rgba(255,255,255,.03); font-family:var(--mono); font-weight:600; font-size:11.6px;
  letter-spacing:.14em; text-transform:uppercase; color:var(--muted); white-space:nowrap;
}
table.tbl td{ color:var(--ink-2); }
table.tbl tr:last-child td{ border-bottom:0; }
table.tbl td strong{ color:#fff; font-weight:640; }

/* ---------- 15. News ---------- */
.news-item{
  display:grid; grid-template-columns:132px 1fr 44px; gap:28px; align-items:center;
  padding:30px 8px; border-bottom:1px solid var(--line); transition:background .3s, padding .3s;
}
.news-item:first-child{ border-top:1px solid var(--line); }
.news-item:hover{ background:rgba(255,255,255,.03); }
.news-date{ font-family:var(--mono); font-size:12.4px; color:var(--muted-2); letter-spacing:.06em; }
.news-item h4{ font-size:18.5px; margin-bottom:8px; }
.news-item p{ color:var(--muted); font-size:14.6px; }
.news-item .go{
  width:40px; height:40px; border-radius:50%; border:1px solid var(--line-2);
  display:grid; place-items:center; color:var(--muted); font-size:15px; transition:.28s;
}
.news-item:hover .go{ background:var(--grad); border-color:transparent; color:#04050a; }

/* ---------- 16. Pills ---------- */
.pill-nav{ display:flex; flex-wrap:wrap; gap:9px; }
.pill-nav a{
  padding:9px 18px; border:1px solid var(--line); border-radius:999px;
  font-size:13.8px; font-weight:540; line-height:1.4; color:var(--ink-2);
  background:var(--glass); backdrop-filter:blur(12px); transition:.24s;
}
.pill-nav a:hover,.pill-nav a.on{ background:#f3f4f9; color:#05060c; border-color:transparent; font-weight:640; }

/* ---------- 17. CTA ---------- */
.cta{
  position:relative; overflow:hidden; border-radius:var(--r-xl); padding:82px 60px; isolation:isolate;
  background:linear-gradient(150deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  border:1px solid var(--line-2);
  backdrop-filter:blur(22px); -webkit-backdrop-filter:blur(22px);
}
.cta::before{
  content:""; position:absolute; inset:0; z-index:-1;
  background:
    radial-gradient(50% 80% at 90% 2%, rgba(255,255,255,.10), transparent 68%),
    radial-gradient(46% 72% at 4% 98%, rgba(255,255,255,.06), transparent 70%),
    radial-gradient(40% 62% at 52% 110%, rgba(255,255,255,.045), transparent 72%);
}
.cta h2{ max-width:680px; margin-bottom:18px; }
.cta p{ max-width:580px; color:var(--ink-2); margin-bottom:34px; }

/* ---------- 18. Footer ---------- */
.footer{
  position:relative; padding:80px 0 34px; font-size:14px; color:var(--muted);
  border-top:1px solid var(--line); background:rgba(255,255,255,.014);
  backdrop-filter:blur(18px); -webkit-backdrop-filter:blur(18px);
}
.footer-top{ display:grid; grid-template-columns:1.6fr repeat(4,1fr); gap:44px; padding-bottom:56px; border-bottom:1px solid var(--line); }
.footer .brand{ margin-bottom:20px; }
.footer h5{
  color:#fff; font-family:var(--mono); font-size:11px; font-weight:600;
  letter-spacing:.2em; text-transform:uppercase; margin-bottom:20px;
}
.footer li{ margin-bottom:12px; }
.footer a:hover{ color:#fff; }
.footer-about{ max-width:320px; line-height:1.78; font-size:13.8px; }
.footer-contact li{ line-height:1.62; }
.footer-contact b{ display:block; font-family:var(--mono); font-size:10.5px; letter-spacing:.14em; color:var(--muted-2); text-transform:uppercase; font-weight:600; margin-bottom:2px; }
.footer-contact span{ color:var(--ink-2); }
.footer-bot{ padding-top:30px; display:flex; flex-wrap:wrap; gap:12px 28px; align-items:center; font-size:12.8px; color:var(--muted-2); }
.footer-bot .sep{ margin-left:auto; }
.footer-legal{ color:var(--ink-2); }

/* ---------- 19. Forms ---------- */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.field{ display:flex; flex-direction:column; gap:9px; }
.field.full{ grid-column:1/-1; }
.field label{ font-size:13.4px; font-weight:600; color:var(--ink-2); }
.field label i{ color:var(--m); font-style:normal; }
.field input,.field select,.field textarea{
  font:inherit; font-size:15px; padding:14px 16px; width:100%; color:var(--ink);
  background:rgba(255,255,255,.04); border:1px solid var(--line); border-radius:12px;
  backdrop-filter:blur(10px); transition:border-color .22s, box-shadow .22s, background .22s;
}
.field textarea{ min-height:140px; resize:vertical; }
.field input::placeholder,.field textarea::placeholder{ color:var(--muted-2); }
.field select option{ background:#0c0e18; color:var(--ink); }
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0; border-color:rgba(255,255,255,.42); background:rgba(255,255,255,.07);
  box-shadow:0 0 0 3px rgba(255,255,255,.08);
}
.form-msg{
  display:none; margin-top:18px; padding:15px 20px; border-radius:12px; font-size:14px; font-weight:540;
  background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.20); color:#e6e6e9;
}
.form-msg.show{ display:block; }
.checkline{ display:flex; gap:11px; align-items:flex-start; font-weight:400; font-size:13.4px; color:var(--muted); }
.checkline input{ width:16px; height:16px; margin-top:3px; flex:none; accent-color:#ffffff; }

/* ---------- 20. Misc ---------- */
.notice{
  border:1px solid var(--line); border-radius:var(--r); padding:18px 22px;
  background:rgba(255,255,255,.028); font-size:13.6px; color:var(--muted);
  backdrop-filter:blur(12px);
}
.notice b{ color:var(--ink-2); }
.kv{ display:grid; grid-template-columns:118px 1fr; gap:13px 22px; font-size:15px; }
.kv dt{ color:var(--muted-2); font-size:13.6px; }
.kv dd{ margin:0; color:var(--ink-2); }
.quote{ font-size:17px; color:var(--ink-2); line-height:1.82; }
.quote::before{ content:"“"; display:block; font-size:44px; line-height:.6; color:var(--muted-2); margin-bottom:14px; font-family:Georgia,serif; }

.to-top{
  position:fixed; right:24px; bottom:24px; z-index:80; width:46px; height:46px; border-radius:50%;
  background:var(--glass-2); border:1px solid var(--line-2); color:#fff; cursor:pointer;
  display:grid; place-items:center; font-size:16px;
  backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  opacity:0; pointer-events:none; transform:translateY(12px); transition:.32s var(--ease);
}
.to-top.show{ opacity:1; pointer-events:auto; transform:none; }
.to-top:hover{ background:var(--grad); border-color:transparent; color:#04050a; }

/* ---------- 21. Reveal ---------- */
.rv{ opacity:0; transform:translateY(26px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
.rv.in{ opacity:1; transform:none; }
.rv-d1{transition-delay:.08s} .rv-d2{transition-delay:.16s} .rv-d3{transition-delay:.24s}
.rv-d4{transition-delay:.32s} .rv-d5{transition-delay:.4s}  .rv-d6{transition-delay:.48s}
@media (prefers-reduced-motion:reduce){
  .rv{ opacity:1; transform:none; transition:none; }
  html{ scroll-behavior:auto; }
  .scroll-hint::after{ animation:none; }
}

/* ---------- 22. Responsive ---------- */
@media (max-width:1120px){
  .nav-links{ display:none; }
  .nav-toggle{ display:flex; }
  .nav-right .btn{ display:none; }
  .footer-top{ grid-template-columns:1fr 1fr 1fr; }
  .market{ grid-template-columns:repeat(3,1fr); }
  .g-5{ grid-template-columns:repeat(3,1fr); }
  .split{ gap:46px; }
}
@media (max-width:920px){
  .section{ padding:82px 0; }
  .g-3,.g-4{ grid-template-columns:repeat(2,1fr); }
  .split,.split.wide-left{ grid-template-columns:1fr; gap:38px; }
  .split.rev .split-copy{ order:-1; }
  .stats{ grid-template-columns:repeat(2,1fr); }
  .hero-strip{ gap:26px 48px; }
  .cta{ padding:56px 32px; }
  .form-grid{ grid-template-columns:1fr; }
  .g-5{ grid-template-columns:repeat(2,1fr); }
  .phero{ padding:calc(var(--nav-h) + 76px) 0 64px; }
}
@media (max-width:680px){
  :root{ --pad:18px; }
  .g-2,.g-3,.g-4,.g-5{ grid-template-columns:1fr; }
  .section{ padding:64px 0; }
  .sec-head{ margin-bottom:38px; }
  .card{ padding:26px; }
  .cta{ padding:44px 24px; }
  .footer-top{ grid-template-columns:1fr 1fr; gap:34px; }
  .footer-about{ grid-column:1/-1; }
  .news-item{ grid-template-columns:1fr; gap:10px; padding:24px 2px; }
  .news-item .go{ display:none; }
  .market{ grid-template-columns:repeat(2,1fr); }
  .stats{ grid-template-columns:1fr; }
  .kv{ grid-template-columns:1fr; gap:4px 0; }
  .kv dd{ margin-bottom:14px; }
  .hero{ padding:calc(var(--nav-h) + 48px) 0 84px; }
  .hero-strip{ margin-top:50px; gap:22px 34px; }
  .scroll-hint{ display:none; }
}

/* ---------- 23. 品牌名长短切换 ---------- */
.brand-long{ display:inline; }
.brand-short{ display:none; }
.brand-txt .brand-long{ font-size:15.2px; letter-spacing:-.03em; }
@media (max-width:1240px){ .nav .brand-long{ display:none; } .nav .brand-short{ display:inline; font-size:17px; } }
@media (max-width:520px){ .footer .brand-long{ display:none; } .footer .brand-short{ display:inline; font-size:17px; } }

/* ==========================================================================
   24. 游戏站组件
   ========================================================================== */

/* ---- 主视觉（Key Visual）占位版：可直接替换为真实美术图 ---- */
.gv{
  position:relative; overflow:hidden; border-radius:var(--r-xl);
  border:1px solid var(--line); display:flex; align-items:center; justify-content:center; isolation:isolate;
  background:
    radial-gradient(72% 92% at 22% 10%, rgba(255,255,255,.115), transparent 70%),
    radial-gradient(66% 86% at 86% 90%, rgba(255,255,255,.055), transparent 72%),
    linear-gradient(160deg,#141416,#08080a);
}
.gv.tall{ aspect-ratio:3/4; }
.gv.wide{ aspect-ratio:16/9; }
.gv.hero-gv{ aspect-ratio:21/9; }
.gv.sq{ aspect-ratio:1/1; }
.gv.auto{ aspect-ratio:auto; }
.gv-2{
  background:
    radial-gradient(72% 92% at 80% 12%, rgba(255,255,255,.10), transparent 70%),
    radial-gradient(62% 82% at 14% 88%, rgba(255,255,255,.05), transparent 72%),
    linear-gradient(160deg,#101012,#070708);
}
.gv-3{
  background:
    radial-gradient(68% 88% at 18% 86%, rgba(255,255,255,.095), transparent 70%),
    radial-gradient(62% 82% at 84% 14%, rgba(255,255,255,.05), transparent 72%),
    linear-gradient(160deg,#0e0e10,#060607);
}
.gv-4{
  background:
    radial-gradient(66% 86% at 50% 6%, rgba(255,255,255,.105), transparent 68%),
    radial-gradient(62% 82% at 16% 94%, rgba(255,255,255,.045), transparent 72%),
    linear-gradient(160deg,#17171a,#0a0a0c);
}
.gv::after{
  content:""; position:absolute; inset:0; z-index:1; pointer-events:none;
  background:repeating-linear-gradient(180deg, rgba(255,255,255,.035) 0 1px, transparent 1px 5px);
  mask-image:linear-gradient(180deg,transparent,#000 45%,transparent);
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 45%,transparent);
  opacity:.6;
}
.gv-mesh{
  position:absolute; inset:0; z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(80% 80% at 50% 50%,#000 20%,transparent 90%);
  -webkit-mask-image:radial-gradient(80% 80% at 50% 50%,#000 20%,transparent 90%);
}
.gv-body{ position:relative; z-index:2; text-align:center; padding:34px; width:100%; min-width:0; }
.gv-title{
  font-size:clamp(26px,4.2vw,58px); font-weight:740; letter-spacing:-.045em; line-height:1.02;
  text-shadow:0 0 60px rgba(0,0,0,.6);
}
.gv-en{
  display:block; font-family:var(--mono); font-size:11.5px; font-weight:600;
  letter-spacing:.28em; text-transform:uppercase; color:rgba(255,255,255,.62); margin-top:14px;
}
.gv-note{
  position:absolute; z-index:3; left:14px; bottom:12px;
  font-family:var(--mono); font-size:9.5px; letter-spacing:.14em;
  color:rgba(255,255,255,.30); text-transform:uppercase;
}

/* ---- 状态徽标 ---- */
.st{
  display:inline-flex; align-items:center; gap:7px; padding:5px 13px; border-radius:999px;
  font-family:var(--mono); font-size:11px; font-weight:700; letter-spacing:.1em; text-transform:uppercase;
}
.st::before{ content:""; width:6px; height:6px; border-radius:50%; background:currentColor; }
.st-live{ background:rgba(255,255,255,.10); border:1px solid rgba(255,255,255,.30); color:#ffffff; }
.st-test{ background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.20); color:#d2d2d5; }
.st-dev{  background:rgba(255,255,255,.045); border:1px solid rgba(255,255,255,.16); color:#a8a8ad; }
.st-soon{ background:rgba(255,255,255,.045); border:1px solid rgba(255,255,255,.16); color:#b4b4b9; }

/* ---- 作品卡 ---- */
.game-card{ position:relative; display:block; border-radius:var(--r-xl); overflow:hidden; height:100%; }
.game-card .gv{ border-radius:0; border:0; transition:transform .6s var(--ease); }
.game-card:hover .gv{ transform:scale(1.045); }
.game-card{ border:1px solid var(--line); transition:border-color .34s, box-shadow .34s, transform .34s var(--ease); }
.game-card:hover{ border-color:var(--line-2); transform:translateY(-5px); box-shadow:0 26px 64px rgba(0,0,0,.55); }
.game-meta{
  padding:26px 26px 28px; background:rgba(255,255,255,.035);
  backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
}
.game-meta h3{ font-size:21px; margin:14px 0 8px; }
.game-meta p{ color:var(--muted); font-size:14.4px; }
.game-tagline{ font-size:13.4px; color:var(--c); font-weight:560; }
.spec-row{ display:flex; flex-wrap:wrap; gap:8px 18px; margin-top:18px; }
.spec-row div{ font-size:12.6px; color:var(--muted-2); }
.spec-row b{ display:block; font-family:var(--mono); font-size:9.6px; letter-spacing:.16em; text-transform:uppercase; color:var(--muted-2); opacity:.75; margin-bottom:2px; }
.spec-row span{ color:var(--ink-2); font-size:13.2px; }

/* ---- 规格表（详情页） ---- */
.spec-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line); border-radius:var(--r-lg); overflow:hidden;
}
.spec-grid > div{ background:rgba(255,255,255,.028); padding:24px 22px; backdrop-filter:blur(14px); }
.spec-grid b{ display:block; font-family:var(--mono); font-size:10px; letter-spacing:.18em; text-transform:uppercase; color:var(--muted-2); margin-bottom:8px; }
.spec-grid span{ font-size:15.4px; font-weight:560; color:var(--ink); }

/* ---- 角色卡 ---- */
.char{ position:relative; border-radius:var(--r-lg); overflow:hidden; border:1px solid var(--line); height:100%; }
.char .gv{ border-radius:0; border:0; }
.char-body{ padding:24px; background:rgba(255,255,255,.03); backdrop-filter:blur(14px); border-top:1px solid var(--line); }
.char-body h4{ font-size:18px; margin-bottom:4px; }
.char-role{ font-family:var(--mono); font-size:10.6px; letter-spacing:.16em; text-transform:uppercase; color:var(--c); }
.char-body p{ color:var(--muted); font-size:14px; margin-top:12px; }
.char-quote{ margin-top:14px; font-size:13.6px; color:var(--ink-2); font-style:italic; opacity:.9; }

/* ---- 平台标 ---- */
.plat{ display:flex; flex-wrap:wrap; gap:8px; }
.plat span{
  padding:6px 13px; border-radius:8px; line-height:1.4; font-family:var(--mono); font-size:11.4px; font-weight:600;
  letter-spacing:.08em; background:rgba(255,255,255,.05); border:1px solid var(--line); color:var(--ink-2);
}

/* ---- 适龄提示 ---- */
.rating{
  display:flex; gap:14px; align-items:center; padding:18px 22px; border-radius:var(--r);
  border:1px solid var(--line); background:rgba(255,255,255,.026); font-size:13.4px; color:var(--muted);
}
.rating b{
  flex:none; width:46px; height:46px; border-radius:11px; display:grid; place-items:center;
  background:rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.2); color:#ffffff;
  font-family:var(--mono); font-size:14px; font-weight:700;
}

/* ---- 版本更新条 ---- */
.patch{ display:grid; grid-template-columns:112px 1fr; gap:24px; padding:24px 6px; border-bottom:1px solid var(--line); }
.patch:first-child{ border-top:1px solid var(--line); }
.patch .ver{ font-family:var(--mono); font-size:13px; font-weight:700; color:var(--c); }
.patch h4{ font-size:17px; margin-bottom:10px; }

/* ---- 社群入口 ---- */
.social{ display:grid; grid-template-columns:repeat(4,1fr); gap:14px; }
.social a{
  padding:22px; border-radius:var(--r); border:1px solid var(--line); text-align:center;
  background:rgba(255,255,255,.03); backdrop-filter:blur(14px); transition:.28s var(--ease);
}
.social a:hover{ background:rgba(255,255,255,.075); border-color:var(--line-2); transform:translateY(-3px); }
.social b{ display:block; font-size:15px; font-weight:640; }
.social small{ display:block; font-family:var(--mono); font-size:10.4px; letter-spacing:.14em; color:var(--muted-2); margin-top:6px; text-transform:uppercase; }

@media (max-width:1080px){
  .spec-grid{ grid-template-columns:repeat(2,1fr); }
  .social{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:680px){
  .spec-grid{ grid-template-columns:1fr; }
  .social{ grid-template-columns:1fr; }
  .patch{ grid-template-columns:1fr; gap:10px; }
  .gv.hero-gv{ aspect-ratio:4/3; }
}

/* ---------- 25. 页脚六列 ---------- */
.footer-top{ grid-template-columns:1.7fr repeat(5,1fr); gap:34px; }
@media (max-width:1240px){ .footer-top{ grid-template-columns:1.6fr repeat(3,1fr); } }
@media (max-width:1120px){ .footer-top{ grid-template-columns:repeat(3,1fr); } }
@media (max-width:680px){ .footer-top{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
.footer-top > div{ min-width:0; overflow-wrap:break-word; }