/* =========================================================
   K4电竞 · 王者万象棋服务站
   设计系统：沿用 K4DIANJING 黑曜石 + 香槟金（冷调黑金）
   ========================================================= */

:root{
  /* 背景层级（与 K4 主站一致） */
  --bg-0:#050608;
  --bg-1:#070a0e;
  --bg-2:#0a1016;
  --bg-3:#0f1720;

  /* 文本层级 */
  --text-0:rgba(245,248,255,.92);
  --text-1:rgba(245,248,255,.72);
  --text-2:rgba(245,248,255,.52);
  --text-3:rgba(245,248,255,.36);

  /* 主色：香槟金 */
  --accent:#d8c38f;
  --accent-soft:rgba(216,195,143,.14);
  --accent-line:rgba(216,195,143,.22);
  --accent-strong:#e9d9a8;
  --cyan:#39d5ff;
  --cyan-soft:rgba(57,213,255,.12);

  /* 面板 */
  --panel-bg:rgba(10,16,22,.72);
  --panel-bg-2:rgba(10,16,22,.52);
  --panel-border:rgba(216,195,143,.14);
  --hairline:rgba(255,255,255,.08);

  /* 光效 */
  --glow-focus:0 0 18px rgba(216,195,143,.16);
  --glow-hover:0 0 26px rgba(216,195,143,.22);
  --shadow-deep:0 32px 100px rgba(0,0,0,.7);

  /* 尺寸 */
  --radius-sm:.5rem;
  --radius-md:.75rem;
  --radius-lg:1rem;
  --radius-xl:1.5rem;
  --radius-2xl:1.75rem;
  --header-h:72px;
  --maxw:1200px;
  --bg-base:#050608;

  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-0);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}

/* ---------- 背景系统（bg-stack：base + 游戏图 + 暗角 + 光晕） ---------- */
/* 与 K4 主站同构：游戏实拍图做底，压暗后叠暗角聚焦 */
.bg-stack{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg-stack .bg-base{position:absolute;inset:0;background:var(--bg-base,#050608);z-index:1}
.bg-stack .bg-image{
  position:absolute;inset:0;z-index:2;
  background-size:cover;background-position:var(--bg-position,center 25%);background-repeat:no-repeat;
  opacity:var(--bg-image-opacity,.30);
  filter:blur(var(--bg-image-blur,0px)) brightness(var(--bg-image-brightness,.5)) contrast(var(--bg-image-contrast,1.18)) saturate(var(--bg-image-saturate,.85));
}
.bg-stack .bg-vignette{
  position:absolute;inset:0;z-index:3;
  background:radial-gradient(ellipse 80% 100% at center,
    transparent 0%,transparent 26%,
    rgba(5,6,8,calc(var(--bg-vignette-strength,.82) * .3)) 50%,
    rgba(5,6,8,calc(var(--bg-vignette-strength,.82) * .7)) 72%,
    rgba(5,6,8,var(--bg-vignette-strength,.82)) 100%);
}
/* 顶部金色光晕 + 战术网格（本站氛围层） */
.bg-stack .bg-glow{
  position:absolute;inset:0;z-index:4;
  background:
    radial-gradient(ellipse 900px 500px at 50% -10%,rgba(216,195,143,.10),transparent 62%),
    radial-gradient(circle at 12% 18%,rgba(57,213,255,.05),transparent 40%),
    linear-gradient(transparent 95%,rgba(255,255,255,.02) 100%) 0 0/100% 28px,
    linear-gradient(90deg,transparent 95%,rgba(255,255,255,.02) 100%) 0 0/28px 100%;
  mask-image:radial-gradient(ellipse at 50% 0%,#000 24%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 24%,transparent 78%);
}
/* 3 档背景强度 preset */
body.bg-clear{--bg-image-opacity:.38;--bg-vignette-strength:.74}
body.bg-standard{--bg-image-opacity:.30;--bg-vignette-strength:.82}
body.bg-dark{--bg-image-opacity:.22;--bg-vignette-strength:.88}

@media (max-width:767px){
  .bg-stack .bg-image{filter:blur(var(--bg-image-blur,0px)) brightness(.42) contrast(1.18) saturate(.85)}
  body.bg-clear{--bg-vignette-strength:.80}
  body.bg-standard{--bg-vignette-strength:.86}
  body.bg-dark{--bg-vignette-strength:.90}
}
.page{position:relative;z-index:1}

/* ---------- 布局 ---------- */
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:88px 0;position:relative}
.section-sm{padding:56px 0}
.section-alt{background:linear-gradient(180deg,transparent,rgba(10,16,22,.5) 12%,rgba(10,16,22,.5) 88%,transparent)}

/* ---------- 头部 ---------- */
.header{
  position:sticky;top:0;z-index:60;
  height:var(--header-h);
  display:flex;align-items:center;
  background:rgba(5,6,8,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--hairline);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand img{width:44px;height:44px;border-radius:11px;border:1px solid rgba(255,255,255,.08);background:#000}
.brand-txt{display:flex;flex-direction:column;gap:3px;line-height:1.1}
.brand-name{font-weight:800;font-size:19px;letter-spacing:.01em;color:#fff}
/* 英文 slogan 用西文字体：中文字体会把 ’ 渲染成全角，King’s 中间空一大格 */
.brand-sub{font-family:"Segoe UI",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;font-size:12.5px;font-weight:500;color:#9aa0a8;letter-spacing:.01em;white-space:nowrap}
@media (max-width:520px){.brand img{width:38px;height:38px;border-radius:10px}.brand-name{font-size:17px}.brand-sub{font-size:11.5px}}

.nav{display:flex;align-items:center;gap:2px}
.nav a{
  position:relative;padding:8px 13px;border-radius:999px;
  font-size:14px;color:var(--text-1);transition:color .2s var(--ease),background .2s var(--ease);
  white-space:nowrap;
}
.nav a:hover{color:var(--accent-strong);background:rgba(216,195,143,.07)}
.nav a.is-active{color:var(--accent-strong);background:rgba(216,195,143,.1)}

.header-cta{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;font-size:13px;font-weight:600;
  background:linear-gradient(135deg,var(--accent),#c98f5f);
  color:#0b0c0f;white-space:nowrap;
  box-shadow:0 6px 20px rgba(216,195,143,.2);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.header-cta:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(216,195,143,.32)}

.burger{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--panel-border);background:var(--panel-bg);
  cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.burger span{display:block;width:16px;height:1.5px;background:var(--text-0);border-radius:2px;transition:.25s var(--ease)}
.burger.is-open span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

.mobile-nav{
  display:none;position:fixed;top:var(--header-h);left:0;right:0;z-index:59;
  background:rgba(7,10,14,.97);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--panel-border);
  padding:10px 20px 22px;
  max-height:calc(100vh - var(--header-h));overflow-y:auto;
}
.mobile-nav.is-open{display:block}
.mobile-nav a{
  display:block;padding:13px 4px;font-size:15px;color:var(--text-1);
  border-bottom:1px solid rgba(255,255,255,.05);
}
.mobile-nav a:hover,.mobile-nav a.is-active{color:var(--accent-strong)}

/* ---------- 通用组件 ---------- */
.glass{
  background:var(--panel-bg);
  border:1px solid var(--panel-border);
  border-radius:var(--radius-xl);
  backdrop-filter:blur(10px) saturate(130%);
  -webkit-backdrop-filter:blur(10px) saturate(130%);
}
.fx-card{transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}
.fx-card:hover{
  transform:translateY(-4px);
  border-color:var(--accent-line);
  box-shadow:var(--glow-hover),var(--shadow-deep);
}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--accent);
  text-transform:uppercase;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,transparent,var(--accent))}

.sec-head{max-width:720px;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .eyebrow::before{display:none}
.sec-title{font-size:clamp(26px,3.4vw,38px);margin-top:14px}
.sec-desc{margin-top:14px;color:var(--text-1);font-size:15.5px;line-height:1.85}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;
  cursor:pointer;border:1px solid transparent;transition:all .25s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),#c98f5f);color:#0b0c0f;
  box-shadow:0 8px 28px rgba(216,195,143,.22);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(216,195,143,.34)}
.btn-ghost{
  background:var(--panel-bg);border-color:var(--panel-border);color:var(--text-0);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{border-color:var(--accent-line);box-shadow:var(--glow-focus);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px}

.tag{
  display:inline-block;padding:3px 10px;border-radius:999px;
  font-size:11.5px;font-weight:600;letter-spacing:.04em;
  background:rgba(216,195,143,.1);color:var(--accent-strong);
  border:1px solid var(--panel-border);
}
.tag-cyan{background:var(--cyan-soft);color:#8ee6ff;border-color:rgba(57,213,255,.18)}

/* ---------- Hero（简洁，不拥挤） ---------- */
.hero{padding:88px 0 72px;position:relative}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:12.5px;
  background:var(--panel-bg);border:1px solid var(--panel-border);color:var(--text-1);
  backdrop-filter:blur(8px);
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:#4ade80;box-shadow:0 0 8px #4ade80}
.hero h1{
  margin-top:26px;
  font-size:clamp(32px,5.2vw,58px);
  line-height:1.18;letter-spacing:-.02em;font-weight:800;
}
.hero h1 .accent{
  background:linear-gradient(120deg,var(--accent-strong),var(--accent) 45%,#c98f5f);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:22px;max-width:640px;color:var(--text-1);font-size:16.5px;line-height:1.9}
.hero-actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px}
.hero-meta{margin-top:38px;display:flex;flex-wrap:wrap;gap:10px 26px;font-size:13px;color:var(--text-2)}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta span::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent);opacity:.8}

/* ---------- 服务卡片 ---------- */
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.svc-card{
  display:flex;flex-direction:column;
  padding:26px;background:var(--panel-bg);
  border:1px solid var(--panel-border);border-radius:var(--radius-xl);
  backdrop-filter:blur(10px) saturate(130%);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
  position:relative;overflow:hidden;
}
.svc-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .35s var(--ease);
  background:radial-gradient(600px circle at var(--mx,50%) var(--my,0%),rgba(216,195,143,.08),transparent 40%);
}
.svc-card:hover{transform:translateY(-4px);border-color:var(--accent-line);box-shadow:var(--glow-hover),var(--shadow-deep)}
.svc-card:hover::after{opacity:1}
.svc-ico{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(216,195,143,.16),rgba(216,195,143,.04));
  border:1px solid var(--panel-border);font-size:20px;
}
.svc-card h3{margin-top:18px;font-size:18.5px}
.svc-goal{margin-top:10px;font-size:13.5px;color:var(--text-2);line-height:1.7}
.svc-goal b{color:var(--text-1);font-weight:600}
.svc-foot{margin-top:auto;padding-top:20px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.svc-price{font-size:15px;font-weight:700;color:var(--accent-strong)}
.svc-link{font-size:13.5px;color:var(--text-1);display:inline-flex;align-items:center;gap:5px;transition:gap .2s var(--ease),color .2s var(--ease)}
.svc-card:hover .svc-link{color:var(--accent-strong);gap:9px}

/* ---------- 价格速览 ---------- */
.price-card{padding:24px;text-align:center;background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:var(--radius-lg)}
.price-card .pc-name{font-size:14px;color:var(--text-1)}
.price-card .pc-val{margin-top:12px;font-size:26px;font-weight:800;color:var(--accent-strong);letter-spacing:-.01em}
.price-card .pc-val small{font-size:13px;font-weight:600;color:var(--text-2);margin-left:3px}
.price-card .pc-note{margin-top:8px;font-size:12px;color:var(--text-3)}
.price-disclaimer{margin-top:22px;text-align:center;font-size:12.5px;color:var(--text-3)}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.step{padding:22px 18px;background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:var(--radius-lg);position:relative}
.step-no{
  width:30px;height:30px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:#0b0c0f;
  background:linear-gradient(135deg,var(--accent),#c98f5f);margin-bottom:14px;
}
.step-t{font-size:14.5px;font-weight:600;line-height:1.6}
.step-d{margin-top:8px;font-size:12.5px;color:var(--text-2);line-height:1.7}

/* ---------- 保障 / 特点 ---------- */
.feat{padding:24px}
.feat .f-ico{font-size:22px}
.feat h4{margin-top:14px;font-size:15.5px}
.feat p{margin-top:9px;font-size:13.5px;color:var(--text-2);line-height:1.75}

/* ---------- 内容区 / 列表 ---------- */
.panel{padding:30px;background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:var(--radius-xl)}
.panel h3{font-size:18px}
.panel .p-desc{margin-top:12px;color:var(--text-1);font-size:14.5px;line-height:1.85}

.check-list li{
  position:relative;padding-left:26px;margin-top:12px;
  font-size:14px;color:var(--text-1);line-height:1.8;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:14px;border-radius:50%;
  background:rgba(216,195,143,.12);border:1px solid var(--accent-line);
}
.check-list li::after{
  content:"";position:absolute;left:4.5px;top:13px;width:5px;height:2.5px;
  border-left:1.5px solid var(--accent);border-bottom:1.5px solid var(--accent);
  transform:rotate(-45deg);
}
.dot-list li{position:relative;padding-left:18px;margin-top:10px;font-size:14px;color:var(--text-1);line-height:1.8}
.dot-list li::before{content:"";position:absolute;left:2px;top:11px;width:5px;height:5px;border-radius:50%;background:var(--accent);opacity:.7}

.note-box{
  padding:18px 20px;border-radius:var(--radius-lg);
  background:rgba(216,195,143,.05);border:1px solid var(--panel-border);
  font-size:13.5px;color:var(--text-1);line-height:1.85;
}
.note-box b{color:var(--accent-strong)}
.warn-box{background:rgba(251,113,133,.06);border-color:rgba(251,113,133,.18)}
.warn-box b{color:#fda4af}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px;max-width:860px}
.faq details{
  background:var(--panel-bg);border:1px solid var(--panel-border);
  border-radius:var(--radius-lg);overflow:hidden;transition:border-color .25s var(--ease);
}
.faq details[open]{border-color:var(--accent-line);box-shadow:var(--glow-focus)}
.faq summary{
  padding:18px 22px;cursor:pointer;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:15px;font-weight:600;color:var(--text-0);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";flex-shrink:0;width:22px;height:22px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(216,195,143,.1);color:var(--accent);font-size:16px;font-weight:400;
  transition:transform .25s var(--ease);
}
.faq details[open] summary::after{content:"−"}
.faq-body{padding:0 22px 20px;font-size:14px;color:var(--text-1);line-height:1.9}
.faq-body a{color:var(--accent-strong);border-bottom:1px solid var(--accent-line)}

/* ---------- 联系 / 三问模板 ---------- */
.tpl-box{
  padding:24px;background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:var(--radius-xl);
}
.tpl-line{display:flex;gap:10px;font-size:14px;color:var(--text-1);margin-top:10px;line-height:1.8}
.tpl-line b{color:var(--accent-strong);flex-shrink:0}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}
.contact-card{padding:24px;background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:var(--radius-lg)}
.contact-card .c-label{font-size:12px;color:var(--text-2);letter-spacing:.08em}
.contact-card .c-name{margin-top:8px;font-size:16px;font-weight:700}
.contact-card .c-val{margin-top:10px;font-size:14px;color:var(--text-1);line-height:1.8}
.contact-card .c-val a{color:var(--accent-strong);border-bottom:1px solid var(--accent-line)}
.qr-row{display:flex;align-items:center;gap:14px;margin-top:12px}
.qr-row{gap:18px}
/* 原图是竖版名片（1188×1569），按原比例显示，不再压成正方形 */
.qr-thumb{position:relative;flex:0 0 auto;display:block;width:150px;padding:6px;border:1px solid var(--panel-border);border-radius:14px;background:#fff;cursor:zoom-in;transition:transform .2s,box-shadow .2s}
.qr-thumb:hover,.qr-thumb:focus-visible{transform:translateY(-2px);box-shadow:0 10px 28px rgba(0,0,0,.35)}
.qr-thumb img{display:block;width:100%;height:auto;border-radius:8px}
.qr-zoom{position:absolute;left:50%;bottom:10px;transform:translateX(-50%);padding:3px 10px;border-radius:99px;background:rgba(0,0,0,.72);color:#fff;font-size:11.5px;white-space:nowrap;pointer-events:none}
.qr-tip{font-size:13px;color:var(--text-2);line-height:1.8}
@media (max-width:520px){.qr-row{flex-direction:column;align-items:center;text-align:center}.qr-thumb{width:200px}}
/* 二维码放大层 */
.qr-lightbox{position:fixed;inset:0;z-index:9999;display:none;align-items:center;justify-content:center;flex-direction:column;gap:14px;padding:24px;background:rgba(5,8,14,.88);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);cursor:zoom-out}
.qr-lightbox.is-open{display:flex}
.qr-lightbox img{display:block;width:auto;height:auto;max-width:min(92vw,520px);max-height:82vh;border-radius:16px;background:#fff;box-shadow:0 20px 60px rgba(0,0,0,.5);cursor:default;-webkit-touch-callout:default;user-select:auto}
.qr-lightbox .qr-lb-tip{color:#e8ecf3;font-size:14px;text-align:center;line-height:1.7}
.qr-lightbox .qr-lb-close{position:absolute;top:14px;right:14px;width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.14);color:#fff;font-size:24px;line-height:44px;cursor:pointer}

/* ---------- 页脚 ---------- */
.footer{
  margin-top:40px;padding:56px 0 32px;
  border-top:1px solid var(--hairline);
  background:linear-gradient(180deg,transparent,rgba(10,16,22,.6));
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:12px}
.foot-brand img{width:48px;height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.08);background:#000}
.foot-brand .brand-name{font-size:20px}
.foot-desc{margin-top:16px;font-size:13px;color:var(--text-2);line-height:1.9;max-width:320px}
.foot-col h5{margin:0 0 14px;font-size:13px;letter-spacing:.1em;color:var(--text-1);text-transform:uppercase}
.foot-col a{display:block;padding:5px 0;font-size:13.5px;color:var(--text-2);transition:color .2s var(--ease)}
.foot-col a:hover{color:var(--accent-strong)}
.foot-bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid var(--hairline);
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}

/* ---------- 滚动进场 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  width:44px;height:44px;border-radius:50%;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  background:var(--panel-bg);border:1px solid var(--panel-border);color:var(--text-1);
  backdrop-filter:blur(10px);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .3s var(--ease);
}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{border-color:var(--accent-line);color:var(--accent-strong);box-shadow:var(--glow-focus)}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .nav{display:none}
  .burger{display:flex}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .section{padding:60px 0}
  .hero{padding:56px 0 48px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr!important}
  .foot-grid{grid-template-columns:1fr}
  .header-cta{display:none}
  .sec-head{margin-bottom:32px}
  .panel{padding:22px}
  .to-top{right:14px;bottom:16px}
}

/* ---------- Hero 背景图 + 角色立绘 ---------- */
.hero{position:relative;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background-size:cover;background-position:center 28%;background-repeat:no-repeat;
  opacity:var(--hero-bg-opacity,.55);
  filter:brightness(var(--hero-bg-brightness,.62)) contrast(1.12) saturate(1.05);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,6,8,.30) 0%,rgba(5,6,8,.62) 45%,rgba(5,6,8,.92) 82%,var(--bg-0) 100%),
             radial-gradient(ellipse 70% 80% at 30% 40%,transparent 0%,rgba(5,6,8,.55) 100%);
}
.hero .wrap{
  position:relative;z-index:2;
  display:flex;align-items:flex-end;gap:30px;
}
.hero-content{flex:1 1 auto;min-width:0}
/* 角色立绘：作为第二栏紧贴文字列右缘，不再是贴视口边的孤岛 */
.hero-deco{
  position:relative;right:auto;bottom:auto;z-index:1;
  flex:0 0 auto;align-self:flex-end;
  max-width:32%;
  display:flex;align-items:flex-end;justify-content:center;
  pointer-events:none;opacity:.95;
  filter:drop-shadow(0 24px 70px rgba(0,0,0,.75)) saturate(1.05);
  animation:deco-float 7s ease-in-out infinite;
}
.hero-deco img{max-width:100%;max-height:clamp(300px,50vh,450px);width:auto;height:auto}
@keyframes deco-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@media (prefers-reduced-motion:reduce){.hero-deco{animation:none}}
/* 平板：立绘稍小，仍与文字并排 */
@media (max-width:1080px){
  .hero-deco{max-width:28%;opacity:.85}
  .hero-deco img{max-height:clamp(260px,44vh,360px)}
}
/* 手机：恢复纵向排版，立绘转为右上角低透明度氛围装饰 */
@media (max-width:720px){
  .hero .wrap{display:block}
  .hero-deco{
    position:absolute;top:40px;right:-14%;max-width:none;
    height:auto;opacity:.26;
    filter:drop-shadow(0 12px 30px rgba(0,0,0,.6)) saturate(1.05);
    -webkit-mask-image:linear-gradient(185deg,#000 55%,transparent 96%);
    mask-image:linear-gradient(185deg,#000 55%,transparent 96%);
  }
  .hero-deco img{max-height:none}
  .hero{overflow:visible}
}

/* ---------- 服务卡 / 通用图标图 ---------- */
.svc-ico.img,.feat .f-ico.img{
  background:none;border:none;padding:0;overflow:hidden;
}
.svc-ico.img img,.feat .f-ico.img img{
  width:52px;height:52px;object-fit:cover;border-radius:12px;
  border:1px solid var(--accent-line);
  box-shadow:0 6px 18px rgba(0,0,0,.5);
}
.step-ico img{width:40px;height:40px;border-radius:10px;border:1px solid var(--panel-border)}

/* ---------- 游戏实拍画廊 ---------- */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.g-item{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--panel-border);aspect-ratio:16/9;background:var(--bg-2);
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease),transform .3s var(--ease);
}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.g-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(5,6,8,.72) 100%);
  opacity:.9;transition:opacity .3s var(--ease);
}
.g-item:hover{transform:translateY(-3px);border-color:var(--accent-line);box-shadow:var(--glow-hover)}
.g-item:hover img{transform:scale(1.07)}
.g-item:hover::after{opacity:.65}
.g-cap{
  position:absolute;left:14px;bottom:12px;z-index:2;
  font-size:13px;font-weight:600;color:var(--text-0);
  text-shadow:0 2px 10px rgba(0,0,0,.9);
}
.g-item.featured{grid-column:span 2;aspect-ratio:16/7}
@media (max-width:720px){.g-item.featured{grid-column:span 1;aspect-ratio:16/9}}

/* ---------- 内容配图（section 内并排图文） ---------- */
.shot{
  position:relative;border-radius:var(--radius-xl);overflow:hidden;
  border:1px solid var(--panel-border);background:var(--bg-2);
  box-shadow:var(--shadow-deep);
}
.shot img{width:100%;height:auto;display:block}
.shot::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,transparent 55%,rgba(5,6,8,.45) 100%);
}
.shot-cap{
  position:absolute;left:16px;bottom:12px;z-index:2;
  font-size:12.5px;color:var(--text-1);text-shadow:0 2px 8px rgba(0,0,0,.9);
}
/* 图文并排 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.split.reverse .shot{order:-1}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:22px}.split.reverse .shot{order:0}}

/* ---------- 装饰条（棋手名条幅） ---------- */
.banner-strip{
  position:relative;padding:26px 0;text-align:center;overflow:hidden;
}
.banner-strip img{
  max-width:min(560px,80%);margin:0 auto;opacity:.9;
  filter:drop-shadow(0 8px 26px rgba(0,0,0,.6));
}
.banner-strip::before,.banner-strip::after{
  content:"";position:absolute;top:50%;width:22%;height:1px;
  background:linear-gradient(90deg,transparent,var(--accent-line));
}
.banner-strip::before{left:4%}
.banner-strip::after{right:4%;transform:scaleX(-1)}

/* ---------- 战术 HUD 风格元件（本站原创处理，区别于官方素材观感） ---------- */

/* 标题前的金色标识块 */
.sec-title::before{
  content:"";display:inline-block;width:13px;height:15px;margin-right:12px;
  vertical-align:-1px;
  background:linear-gradient(140deg,var(--accent-strong),#c98f5f);
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);
  box-shadow:0 0 14px rgba(216,195,143,.35);
}

/* 图片：斜切角 + 扫描线 + HUD 角标 */
.shot,.g-item{
  clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,18px 100%,0 calc(100% - 18px));
}
.shot::before,.g-item::before{
  content:"";position:absolute;top:12px;left:12px;z-index:3;
  width:20px;height:20px;
  border-left:2px solid var(--accent);border-top:2px solid var(--accent);
  opacity:.75;transition:opacity .3s var(--ease);
}
.shot:hover::before,.g-item:hover::before{opacity:1}
.shot::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(180deg,transparent 55%,rgba(5,6,8,.45) 100%),
    repeating-linear-gradient(0deg,rgba(190,225,255,.035) 0 1px,transparent 1px 3px);
}
.g-item::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,transparent 40%,rgba(5,6,8,.72) 100%),
    repeating-linear-gradient(0deg,rgba(190,225,255,.035) 0 1px,transparent 1px 3px);
  opacity:.9;transition:opacity .3s var(--ease);
}
/* 画廊 hover：青色扫光 */
.g-item .g-sweep{
  position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(105deg,transparent 35%,rgba(57,213,255,.14) 48%,rgba(216,195,143,.10) 53%,transparent 66%);
  transform:translateX(-110%);transition:transform .7s var(--ease);
}
.g-item:hover .g-sweep{transform:translateX(110%)}

/* 服务卡：顶部斜切亮线 */
.svc-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--accent-line) 20%,var(--accent) 50%,var(--accent-line) 80%,transparent);
  opacity:0;transition:opacity .35s var(--ease);
}
.svc-card:hover::before{opacity:1}

/* 棋手立绘：底部金色光晕承托 */
.hero-deco::after{
  content:"";position:absolute;left:50%;bottom:6%;transform:translateX(-50%);
  width:78%;height:14%;border-radius:50%;z-index:-1;
  background:radial-gradient(ellipse at center,rgba(216,195,143,.22),transparent 70%);
  filter:blur(12px);
}
.hero-deco{isolation:isolate}
.roster{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.roster-item{
  width:86px;text-align:center;transition:transform .25s var(--ease);
}
.roster-item:hover{transform:translateY(-4px)}
.roster-item .r-av{
  width:64px;height:64px;margin:0 auto;border-radius:50%;overflow:hidden;
  border:1px solid var(--accent-line);background:var(--bg-2);
  box-shadow:0 6px 18px rgba(0,0,0,.55);
}
.roster-item .r-av img{width:100%;height:100%;object-fit:cover}
.roster-item .r-name{margin-top:8px;font-size:12px;color:var(--text-2)}

/* ---------- 博客文章排版（Markdown 渲染输出） ---------- */
.post-body > * + *{margin-top:18px}
.post-body .sec-title{font-size:clamp(22px,2.6vw,30px);margin-top:40px}
.post-body .post-h3{font-size:19px;margin-top:28px;color:var(--text-1)}
.post-body figure.shot{margin:28px 0 0}
.post-body figure.shot img{max-width:100%;width:auto;height:auto;max-height:560px;margin:0 auto}
.post-body figure.shot figcaption{
  position:relative;z-index:2;padding:10px 16px 12px;
  font-size:12.5px;color:var(--text-2);background:var(--bg-2);
}
.post-body figure.shot::after{display:none}
.post-body p a,.post-body li a{color:var(--accent-strong);text-decoration:underline;text-underline-offset:3px}
.post-disclaimer{font-size:12.5px;color:var(--text-3);margin-top:34px}
.crumbs{font-size:13px;color:var(--text-3);margin-bottom:14px}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--accent-strong)}
.post-card .post-cover{margin:-6px -6px 16px;border-radius:var(--radius-lg,14px);overflow:hidden;aspect-ratio:16/9;background:var(--bg-2)}
.post-card .post-cover img{width:100%;height:100%;object-fit:cover;display:block}